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feat(metadata)!: rework as a provider #239

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merged 24 commits into from
Jul 17, 2024
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@james-d-elliott james-d-elliott commented May 18, 2024

This is a massive rework to how metadata is handled. This allows for very powerful interactions with the metadata including trust anchor validation, status report validation customization, control over if attestation types are validated against the metadata, exclusion of zero AAGUID's, ensuring a metadata entry for the authentication exists, etc. In addition it allows the implementer to more easily control caching logic and implement locking and live refreshes of the metadata where necessary. It should reasonably be expected that anyone currently using the metadata package will have quite a bit of work to do. In the release we'll aim to include migration instructions but there is unfortunately it will require some additional work.

Closes #77, Closes #154

BREAKING CHANGE: This change will require manual intervention from the implementer. Information is likely to be provided at a later date helping with the migrations required.

@james-d-elliott james-d-elliott requested a review from a team as a code owner May 18, 2024 12:56
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coderabbitai bot commented May 18, 2024

Walkthrough

The recent updates introduce a new cached metadata provider for handling MDS3 blobs with a file-based cache, options for customizing provider behavior, and several enhancements to the WebAuthn protocol and credential verification processes. The changes also include the addition of memory-based metadata providers, improved test cases using testify, and new mechanisms for metadata validation. These upgrades collectively enhance the system's flexibility, reliability, and maintainability.

Changes

Files and Paths Change Summary
metadata/providers/cached/* Introduced a new cached metadata provider, file operations utilities, and configuration options for customization.
metadata/providers/memory/* Implemented an in-memory metadata provider with validation options.
metadata/status.go, metadata/types.go Added functions and types for metadata validation and handling.
protocol/attestation*, protocol/metadata.go Enhanced attestation verification with metadata provider integration and constants for key identifiers.
protocol/client_test.go, protocol/base64_test.go Refactored test cases with testify for better error handling and readability.
protocol/const.go Introduced constants for statement keys used in the protocol implementation.
protocol/credential.go, protocol/credential_test.go Modified Verify method with an additional metadata provider parameter, updated test cases.
webauthn/* Enhanced credential struct, added attestation fields, refactored registration and login functions with error handling.

Sequence Diagrams

New Cached Metadata Provider Initialization

sequenceDiagram
    participant User
    participant CachedProvider
    participant MetadataSource
    participant FileSystem
    
    User->>CachedProvider: Initialize with options
    CachedProvider->>MetadataSource: Fetch metadata
    MetadataSource-->>CachedProvider: Return metadata
    CachedProvider->>FileSystem: Save metadata to cache
    CachedProvider-->>User: Initialization complete
Loading

Credential Verification Process

sequenceDiagram
    participant User
    participant WebAuthn
    participant MetadataProvider
    
    User->>WebAuthn: Submit credential for verification
    WebAuthn->>MetadataProvider: Validate metadata
    MetadataProvider-->>WebAuthn: Return validation result
    WebAuthn-->>User: Verification result
Loading

Poem

In files, the data does reside,
Cached and stored with care and pride.
Memory swift, on call to fetch,
Keeping standards, none to stretch.
Attestation checks, now made precise,
WebAuthn's future, oh so nice!
🌟🐇✨


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Actionable comments posted: 17

Out of diff range and nitpick comments (2)
protocol/attestation_safetynet.go (1)

61-61: Review the error handling and JWT parsing logic for potential improvements.

Consider refining the error messages to provide more context or detail, which could aid in debugging and maintenance.

Also applies to: 78-78, 112-112, 136-136, 141-141

metadata/metadata_test.go (1)

37-38: Replace fmt.Println with assertions or logging.

Using fmt.Println for error messages in tests is not ideal as it does not fail the test if an error is encountered. Consider using assert.NoError for a more robust test that fails appropriately or log the error to a test-specific logger.

Review Details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits Files that changed from the base of the PR and between c99e7a7 and 21d9198.
Files selected for processing (29)
  • metadata/const.go (1 hunks)
  • metadata/decode.go (1 hunks)
  • metadata/memory.go (1 hunks)
  • metadata/metadata.go (2 hunks)
  • metadata/metadata_test.go (4 hunks)
  • metadata/passkey_authenticator.go (1 hunks)
  • metadata/types.go (1 hunks)
  • protocol/attestation.go (4 hunks)
  • protocol/attestation_androidkey.go (1 hunks)
  • protocol/attestation_androidkey_test.go (1 hunks)
  • protocol/attestation_apple.go (1 hunks)
  • protocol/attestation_apple_test.go (1 hunks)
  • protocol/attestation_packed.go (1 hunks)
  • protocol/attestation_packed_test.go (1 hunks)
  • protocol/attestation_safetynet.go (6 hunks)
  • protocol/attestation_safetynet_test.go (1 hunks)
  • protocol/attestation_test.go (1 hunks)
  • protocol/attestation_tpm.go (2 hunks)
  • protocol/attestation_tpm_test.go (12 hunks)
  • protocol/attestation_u2f.go (2 hunks)
  • protocol/attestation_u2f_test.go (1 hunks)
  • protocol/base64_test.go (2 hunks)
  • protocol/client_test.go (3 hunks)
  • protocol/const.go (1 hunks)
  • protocol/credential.go (3 hunks)
  • protocol/credential_test.go (1 hunks)
  • protocol/webauthncose/webauthncose.go (1 hunks)
  • webauthn/registration.go (1 hunks)
  • webauthn/types.go (3 hunks)
Files not summarized due to errors (1)
  • metadata/metadata.go: Error: Message exceeds token limit
Files skipped from review due to trivial changes (2)
  • metadata/passkey_authenticator.go
  • protocol/const.go
Additional comments not posted (39)
protocol/base64_test.go (2)

7-8: Imports of assert and require from testify are appropriate for enhancing test assertions.


45-45: Usage of require.NoError for critical error checks and assert.Equal for value comparisons enhances the clarity and reliability of tests.

Also applies to: 47-48

metadata/memory.go (1)

14-62: Implementation of NewMemoryProvider function and MemoryProvider struct correctly handles default values and provides necessary methods for metadata retrieval and status checks.

protocol/attestation_u2f_test.go (1)

40-40: Verify the use of nil as the metadata provider in verifyU2FFormat. Ensure it aligns with the intended test scenarios.

Verification successful

The use of nil as the metadata provider in the verifyU2FFormat function is intentional and aligns with the current implementation, where the metadata provider parameter is not utilized.

  • protocol/attestation_u2f.go: func verifyU2FFormat(att AttestationObject, clientDataHash []byte, _ metadata.Provider) (string, []any, error)
Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Verify the use of `nil` as the metadata provider in tests for `verifyU2FFormat`.

# Test: Search for the function usage. Expect: Clarification on the use of `nil`.
rg --type python $'verifyU2FFormat'

Length of output: 65



Script:

#!/bin/bash
# Description: Verify the use of `nil` as the metadata provider in tests for `verifyU2FFormat`.

# Test: Search for the function usage. Expect: Clarification on the use of `nil`.
rg --type go 'verifyU2FFormat'

Length of output: 742

protocol/attestation_apple_test.go (1)

40-40: Verify the use of nil as the metadata provider in verifyAppleFormat. Ensure it aligns with the intended test scenarios.

Verification successful

The implementation of verifyAppleFormat in protocol/attestation_apple.go does not utilize the metadata provider parameter. This confirms that passing nil for the metadata provider in the test cases is appropriate and aligns with the intended test scenarios.

  • protocol/attestation_apple.go:
    • The metadata provider parameter is not used within the function body.

Thus, the test implementation using nil for the metadata provider is correct.

Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Verify the use of `nil` as the metadata provider in tests for `verifyAppleFormat`.

# Test: Search for the function usage. Expect: Clarification on the use of `nil`.
rg --type python $'verifyAppleFormat'

Length of output: 67



Script:

#!/bin/bash
# Description: Verify the use of `nil` as the metadata provider in tests for `verifyAppleFormat`.

# Test: Search for the function usage. Expect: Clarification on the use of `nil`.
rg --type go 'verifyAppleFormat'

Length of output: 683



Script:

#!/bin/bash
# Description: Extract the implementation of `verifyAppleFormat` to understand the use of the metadata provider.

# Extract the function implementation.
ast-grep --lang go --pattern $'func verifyAppleFormat(att AttestationObject, clientDataHash []byte, _ metadata.Provider) (string, []any, error) {
  $$$
}' 

Length of output: 5584

protocol/attestation_apple.go (1)

34-39: Implementation of verifyAppleFormat correctly follows the specified steps for Apple attestation verification, with comprehensive error handling and validation steps.

Also applies to: 43-43

protocol/client_test.go (1)

22-22: Use of require.NoError for critical error checks and assert.EqualError for specific error message checks are appropriate and enhance the test's reliability and readability.

Also applies to: 28-28, 40-40, 42-42

metadata/const.go (1)

3-35: The constants for certificate roots and URLs are correctly defined. The error variables are well-structured and provide clear, specific error messages.

protocol/attestation_u2f.go (1)

19-19: Implementation of verifyU2FFormat correctly follows the U2F attestation verification steps with detailed error handling and validation.

Also applies to: 43-43, 51-51

protocol/attestation_safetynet.go (1)

44-44: Ensure the metadata.Provider parameter is utilized effectively throughout the function.

metadata/decode.go (1)

18-36: Ensure the Decoder initialization handles all provided options correctly.

Verification successful

The NewDecoder function in metadata/decode.go correctly handles all provided options by iterating over them and applying each to the decoder instance. If any option returns an error, the function appropriately returns nil and the error.

  • metadata/decode.go, lines 18-36: The NewDecoder function handles options correctly.
Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Verify that all options are handled correctly in the `NewDecoder` function.

# Test: Search for the handling of options in the function. Expect: Proper handling of all options.
ast-grep --lang go --pattern $'func NewDecoder($_) {
  $$$
}'

Length of output: 62



Script:

#!/bin/bash
# Description: Verify the presence and implementation of the `NewDecoder` function.

# Search for the `NewDecoder` function definition in the codebase.
rg 'func NewDecoder' -A 20

Length of output: 827

webauthn/types.go (2)

66-66: Ensure the metadata.Provider field is utilized effectively in the Config struct.

Verification successful

Effective Usage of MetaData Field in Config Struct

The MetaData field in the Config struct is effectively utilized in the codebase. Here are the key points of usage:

  • Getter Method: A method GetMetaDataProvider is defined to retrieve the MetaData field.
    • webauthn/types.go: func (c *Config) GetMetaDataProvider() metadata.Provider { return c.MetaData }
  • Usage in Registration: The MetaData field is used in the registration.go file.
    • webauthn/registration.go: invalidErr := parsedResponse.Verify(session.Challenge, shouldVerifyUser, webauthn.Config.RPID, webauthn.Config.RPOrigins, webauthn.Config.RPTopOrigins, webauthn.Config.RPTopOriginVerificationMode, webauthn.Config.MetaData)

These references indicate that the MetaData field is being accessed and utilized appropriately within the codebase.

Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Verify that the `metadata.Provider` field is used effectively in the `Config` struct.

# Test: Search for the usage of `metadata.Provider` in the struct. Expect: Effective usage.
ast-grep --lang go --pattern $'type Config struct {
  $$$
  MetaData metadata.Provider
  $$$
}'

Length of output: 96



Script:

#!/bin/bash
# Description: Search for references to the `MetaData` field in the Go files to verify its usage.

# Test: Search for the usage of `MetaData` in the Go files. Expect: Effective usage.
rg 'MetaData' --type go

Length of output: 491


150-176: Review the getter methods for the Config struct to ensure they are correctly implemented.

The getter methods are correctly implemented and provide appropriate access to the Config struct fields.

protocol/attestation_packed.go (1)

37-37: Clarify the unused metadata provider parameter in verifyPackedFormat.

webauthn/registration.go (1)

227-227: Ensure the metadata provider is correctly initialized before passing to Verify.

protocol/attestation_test.go (3)

9-9: Switch to require.NoError for error handling enhances the clarity and robustness of the test cases.

Also applies to: 17-17, 21-21, 28-28, 32-32


40-40: Consistent use of require.NoError in attestationTestUnpackResponse function aligns with the error handling strategy in other test functions.

Also applies to: 46-46


60-61: Ensure that passing nil as the metadata provider in verifyPackedFormat is intentional. This could potentially bypass important checks that are part of the new metadata handling enhancements.

Verification successful

Ensure that passing nil as the metadata provider in verifyPackedFormat is intentional. This could potentially bypass important checks that are part of the new metadata handling enhancements.

  • The current implementation of verifyPackedFormat does not utilize the metadata provider parameter.
  • There are no comments or indications suggesting future use of the metadata provider in the function.
Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Verify if passing `nil` as the metadata provider is intentional or an oversight.

# Test: Search for other instances where `verifyPackedFormat` is called with non-nil providers.
rg --type go $'verifyPackedFormat\\(.*?, .*?, nil\\)'

Length of output: 286



Script:

#!/bin/bash
# Description: Search for all instances of `verifyPackedFormat` to check if it is ever called with a non-nil metadata provider.

# Test: Search for all instances of `verifyPackedFormat` in the codebase.
rg --type go 'verifyPackedFormat\('

Length of output: 717



Script:

#!/bin/bash
# Description: Review the implementation of `verifyPackedFormat` to understand how it handles the metadata provider.

# Extract the implementation of `verifyPackedFormat` function.
ast-grep --lang go --pattern $'func verifyPackedFormat($_, $_, $_) $_' protocol/attestation_packed.go

Length of output: 3070



Script:

#!/bin/bash
# Description: Check for comments or plans indicating future use of the metadata provider in `verifyPackedFormat`.

# Search for comments related to metadata provider in the `protocol/attestation_packed.go` file.
rg --type go 'metadata.Provider' protocol/attestation_packed.go

Length of output: 179

protocol/attestation.go (3)

78-78: The inclusion of metadata.Provider in the attestationFormatValidationHandler type definition aligns well with the PR's objective to enhance metadata handling.


124-124: The modification to include metadata.Provider in the Verify method supports flexible metadata handling. Ensure all calls to this method are updated to pass the appropriate metadata provider.

Verification successful

The modification to include metadata.Provider in the Verify method supports flexible metadata handling. The call to AttestationObject.Verify in protocol/credential.go correctly includes the metadata.Provider parameter (mds).

  • protocol/credential.go: verifyError = pcc.Response.AttestationObject.Verify(relyingPartyID, clientDataHash[:], verifyUser, mds)
Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Verify all function calls to `AttestationObject.Verify` include the metadata provider.

# Test: Search for the function usage. Expect: Only occurances with the metadata provider.
rg --type python $'AttestationObject.Verify'

Length of output: 74



Script:

#!/bin/bash
# Description: Verify all function calls to `AttestationObject.Verify` include the metadata provider.

# Test: Search for the function usage. Expect: Only occurrences with the metadata provider.
rg --type go 'AttestationObject.Verify'

Length of output: 167



Script:

#!/bin/bash
# Description: Extract the relevant lines from `protocol/credential.go` to verify the call to `AttestationObject.Verify`.

# Test: Display the lines around the call to `AttestationObject.Verify` to ensure the metadata provider is passed correctly.
rg --context 5 'AttestationObject.Verify' protocol/credential.go

Length of output: 613


Line range hint 124-226: The implementation of the Verify method is robust, with comprehensive error handling and adherence to the WebAuthn specification. The use of a metadata provider to fetch entries and check statuses is well-integrated.

protocol/attestation_androidkey.go (1)

32-32: Ensure the unused metadata provider parameter is intentional.

Verification successful

Ensure the unused metadata provider parameter is intentional.

  • protocol/attestation_androidkey.go (line 32)
  • protocol/attestation_u2f.go
  • protocol/attestation_tpm.go
  • protocol/attestation_packed.go
  • protocol/attestation_apple.go
Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Verify if the metadata provider parameter is intentionally unused across similar functions.

# Test: Search for similar functions. Expect: Consistent usage of the metadata provider parameter.
rg --type go $'func verify.*Format\(.*metadata.Provider.*\)'

Length of output: 945



Script:

#!/bin/bash
# Description: Extract the implementation of the `verifySafetyNetFormat` function to understand its usage of the metadata provider parameter.

# Extract the function implementation
ast-grep --lang go --pattern $'func verifySafetyNetFormat($_, $_, $_ metadata.Provider) $_' 

Length of output: 92



Script:

#!/bin/bash
# Description: Extract the implementation of the `verifySafetyNetFormat` function to understand its usage of the metadata provider parameter.

# Extract the function implementation with a more flexible pattern
ast-grep --lang go --pattern $'func verifySafetyNetFormat($_, $_, $_ metadata.Provider) { $$$ }' 

Length of output: 97



Script:

#!/bin/bash
# Description: Search for the definition and implementation of the `verifySafetyNetFormat` function to understand its usage of the metadata provider parameter.

# Search for the function definition and implementation
rg 'func verifySafetyNetFormat' --type go

Length of output: 198



Script:

#!/bin/bash
# Description: Extract the full implementation of the `verifySafetyNetFormat` function to understand its usage of the metadata provider parameter.

# Extract the function implementation
rg -A 50 'func verifySafetyNetFormat' protocol/attestation_safetynet.go

Length of output: 1917

protocol/attestation_tpm.go (1)

22-22: Ensure the unused metadata provider parameter is intentional.

protocol/webauthncose/webauthncose.go (1)

38-38: Ensure that unit tests cover the new public key data structures and methods.

metadata/types.go (3)

13-22: The Provider interface is well-defined and aligns with the PR objectives of enabling custom metadata retrieval implementations.


28-31: The PublicKeyCredentialParameters struct is appropriately defined with clear and relevant fields.


33-43: The AuthenticatorAttestationTypes and its methods are well-implemented, providing necessary functionality for attestation type checks.

metadata/metadata_test.go (5)

141-152: This function correctly implements the intended test logic.


Line range hint 152-198: This function is implemented correctly and uses best practices for table-driven tests.


Line range hint 198-296: This function is implemented correctly and uses best practices for table-driven tests.


314-335: This function correctly implements the intended logic for retrieving endpoints.


337-378: This function correctly implements the intended logic for retrieving test metadata based on a test case.

protocol/attestation_tpm_test.go (6)

14-14: Use of require and assert libraries from testify is a good practice for cleaner and more expressive tests.


31-32: Ensure that verifyTPMFormat is correctly handling nil as the metadata.Provider parameter, as per the new design.


88-88: The error handling in these negative tests is well-implemented, ensuring that specific error messages are checked.

Also applies to: 93-93, 98-98, 103-103, 108-108, 113-113, 118-118, 128-128


175-175: The defaultAttStatement is well-defined, ensuring that all necessary fields are initialized for the tests.


399-399: The encoding of stmtPubArea and stmtCertInfo is crucial for the correctness of the tests. Ensure that the encoding functions are robust and handle errors appropriately.

Also applies to: 458-458, 514-514, 547-547


575-575: The test for parsing errors in the x5c certificate chain is well-implemented, ensuring robustness against malformed certificates.

metadata/metadata.go (1)

296-306: Ensure certificate validation is secure and robust.

The Verifier method in MetadataStatement sets up certificate validation options. It's crucial to ensure that these options are securely configured to prevent issues like improper certificate validation.

Verification successful

The VerifyOptions configuration in both metadata/decode.go and metadata/metadata.go appears to be set up correctly with the necessary fields. However, to ensure robust and secure certificate validation, it's crucial to verify that the roots and ints variables are properly initialized and populated.

Findings:

  • In metadata/decode.go, roots and ints are used in the VerifyOptions.
  • In metadata/metadata.go, roots is used in the VerifyOptions.

Next Steps:

  1. Verify the initialization and population of roots and ints in metadata/decode.go.
  2. Verify the initialization and population of roots in metadata/metadata.go.

The extracted code snippets provide a clear view of how roots and ints are initialized and populated in both metadata/decode.go and metadata/metadata.go.

Findings:

  1. metadata/decode.go:

    • roots is initialized with x509.NewCertPool() and populated with a parsed root certificate.
    • ints is initialized with x509.NewCertPool() and populated with a parsed intermediate certificate.
    • Both roots and ints are used in the x509.VerifyOptions.
  2. metadata/metadata.go:

    • roots is initialized with x509.NewCertPool() and populated with attestation root certificates from s.AttestationRootCertificates.

Conclusion:

The VerifyOptions configurations in both files are set up correctly with the necessary fields and proper initialization and population of certificate pools. This ensures that the certificate validation is secure and robust.

Action:

No further action is required as the configurations are secure.

Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Check for secure configuration of certificate validation options.

# Test: Search for usage of VerifyOptions in the codebase. Expect: Proper configuration and usage.
rg --type go $'VerifyOptions'

Length of output: 213



Script:

#!/bin/bash
# Extract the relevant code snippets for VerifyOptions usage in metadata/decode.go and metadata/metadata.go

# Extract the context of VerifyOptions in metadata/decode.go
rg -A 10 -B 10 'VerifyOptions' metadata/decode.go

# Extract the context of VerifyOptions in metadata/metadata.go
rg -A 10 -B 10 'VerifyOptions' metadata/metadata.go

Length of output: 1521



Script:

#!/bin/bash
# Extract the initialization and population of roots and ints in metadata/decode.go
rg -A 10 -B 10 'roots' metadata/decode.go
rg -A 10 -B 10 'ints' metadata/decode.go

# Extract the initialization and population of roots in metadata/metadata.go
rg -A 10 -B 10 'roots' metadata/metadata.go

Length of output: 3000

protocol/credential_test.go Outdated Show resolved Hide resolved
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protocol/credential.go Outdated Show resolved Hide resolved
protocol/attestation_safetynet.go Outdated Show resolved Hide resolved
protocol/attestation_safetynet.go Outdated Show resolved Hide resolved
protocol/attestation_tpm_test.go Show resolved Hide resolved
metadata/decode.go Outdated Show resolved Hide resolved
metadata/decode.go Outdated Show resolved Hide resolved
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Actionable comments posted: 0

Review Details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits Files that changed from the base of the PR and between 21d9198 and f113e81.
Files selected for processing (4)
  • metadata/memory.go (1 hunks)
  • metadata/types.go (1 hunks)
  • protocol/attestation.go (4 hunks)
  • protocol/attestation_safetynet.go (6 hunks)
Files skipped from review as they are similar to previous changes (4)
  • metadata/memory.go
  • metadata/types.go
  • protocol/attestation.go
  • protocol/attestation_safetynet.go

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Actionable comments posted: 0

Review Details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits Files that changed from the base of the PR and between f113e81 and 18d89d6.
Files selected for processing (9)
  • protocol/attestation.go (4 hunks)
  • protocol/attestation_test.go (1 hunks)
  • protocol/credential.go (3 hunks)
  • protocol/credential_test.go (1 hunks)
  • webauthn/credential.go (4 hunks)
  • webauthn/credential_test.go (1 hunks)
  • webauthn/login.go (1 hunks)
  • webauthn/registration.go (3 hunks)
  • webauthn/types.go (4 hunks)
Files skipped from review as they are similar to previous changes (6)
  • protocol/attestation.go
  • protocol/attestation_test.go
  • protocol/credential.go
  • protocol/credential_test.go
  • webauthn/registration.go
  • webauthn/types.go
Additional comments not posted (4)
webauthn/credential_test.go (1)

24-24: Verify the use of nil values for user and session in MakeNewCredential.

It's unusual to see nil values passed here. Please confirm if this is intended for specific test scenarios or if it's an oversight.

webauthn/credential.go (2)

31-32: LGTM! The addition of the Attestation field aligns with the PR's objectives to enhance metadata handling.


Line range hint 61-90: The implementation of MakeNewCredential correctly populates the new Attestation field.

webauthn/login.go (1)

91-91: The updated session data handling in beginLogin is robust, enhancing security and functionality.

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Actionable comments posted: 3

Outside diff range and nitpick comments (4)
webauthn/credential.go (2)

35-35: Add documentation for the Attestation field in the Credential struct.

It would be beneficial to include a comment describing the purpose and usage of the Attestation field to maintain consistency with other fields in the struct.


Line range hint 72-98: Ensure error handling is robust in NewCredential.

The function NewCredential constructs a new Credential object but does not handle potential errors that might occur during the construction, such as nil pointers from c.Response. Consider adding checks to ensure that c and its nested properties are not nil before accessing them.

if c == nil || c.Response == nil || c.Response.AttestationObject == nil || c.Response.AttestationObject.AuthData == nil || c.Response.AttestationObject.AuthData.AttData == nil {
    return nil, fmt.Errorf("invalid credential data provided")
}
protocol/attestation.go (1)

Line range hint 138-240: Consider simplifying the VerifyAttestation method.

The VerifyAttestation method is complex and handles multiple responsibilities. Consider breaking it down into smaller, more focused methods. For example, certificate validation and attestation format handling could be extracted into separate methods.

func (a *AttestationObject) VerifyAttestation(clientDataHash []byte, mds metadata.Provider) error {
    if err := validateAttestationFormat(a.Format); err != nil {
        return err
    }

    if err := validateCertificates(a.AttStatement, mds); err != nil {
        return err
    }

    return nil
}

func validateAttestationFormat(format string) error {
    // Format validation logic
}

func validateCertificates(attStmt map[string]any, mds metadata.Provider) error {
    // Certificate validation logic
}
README.md (1)

288-330: Update the Credential Record section to include more detailed descriptions.

The Credential Record section in the README is informative but could benefit from more detailed descriptions of each field, especially how they relate to the WebAuthn specification and their implications in practical scenarios.

Review Details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits Files that changed from the base of the PR and between 18d89d6 and cc887ee.
Files selected for processing (5)
  • README.md (1 hunks)
  • protocol/attestation.go (4 hunks)
  • webauthn/credential.go (5 hunks)
  • webauthn/credential_test.go (2 hunks)
  • webauthn/registration.go (3 hunks)
Files skipped from review as they are similar to previous changes (2)
  • webauthn/credential_test.go
  • webauthn/registration.go
Additional Context Used
LanguageTool (15)
README.md (15)

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will likely ...


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compatibilit...


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Context: ... 0, as per Semantic Versioning 2.0 rules there may be breaking changes without warning...


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Context: ...2.0 rules there may be breaking changes without warning.
While we strive to avoid such change...


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Quicksta...


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to de...


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Context: ...y by default does not enforce timeouts. However the default timeouts sent to the browse...


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package example

import (
...

---

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can ...

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on every login, or with a audit schedule.

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[webauthn.Config](https://pkg.go....

---

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Context: ...registrations automatically.

At this time no tooling exists to verify the credent...

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<details><summary>README.md (134)</summary><blockquote>

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</blockquote></details>

</blockquote></details>

</details>


</details>

<!-- This is an auto-generated comment by CodeRabbit for review status -->

webauthn/credential.go Show resolved Hide resolved
@james-d-elliott james-d-elliott changed the title feat(metadata): rework as a provider feat(metadata)!: rework as a provider May 25, 2024
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Actionable comments posted: 12

Outside diff range and nitpick comments (3)
protocol/credential.go (1)

Line range hint 136-192: The changes to the Verify method to include a metadata.Provider parameter align well with the PR's objectives of enhancing metadata handling.

Ensure that the new parameter is covered in unit tests.

Would you like me to help by adding some unit tests for this change?

webauthn/login.go (1)

91-91: The implementation of session data handling in beginLogin is robust, ensuring that all necessary fields are populated and managed correctly.

Consider adding more detailed error messages to aid in debugging, especially when configuration validation fails.

metadata/types.go (1)

13-30: Ensure proper documentation for the Provider interface.

The Provider interface methods could benefit from more detailed documentation, especially explaining the context and use cases for each method. This would help developers understand when and how to use these methods effectively.

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between cc887ee and f26e992.

Files selected for processing (33)
  • README.md (1 hunks)
  • metadata/const.go (1 hunks)
  • metadata/decode.go (1 hunks)
  • metadata/memory.go (1 hunks)
  • metadata/metadata.go (2 hunks)
  • metadata/metadata_test.go (4 hunks)
  • metadata/passkey_authenticator.go (1 hunks)
  • metadata/types.go (1 hunks)
  • protocol/attestation.go (4 hunks)
  • protocol/attestation_androidkey.go (1 hunks)
  • protocol/attestation_androidkey_test.go (1 hunks)
  • protocol/attestation_apple.go (1 hunks)
  • protocol/attestation_apple_test.go (1 hunks)
  • protocol/attestation_packed.go (1 hunks)
  • protocol/attestation_packed_test.go (1 hunks)
  • protocol/attestation_safetynet.go (6 hunks)
  • protocol/attestation_safetynet_test.go (1 hunks)
  • protocol/attestation_test.go (1 hunks)
  • protocol/attestation_tpm.go (2 hunks)
  • protocol/attestation_tpm_test.go (12 hunks)
  • protocol/attestation_u2f.go (2 hunks)
  • protocol/attestation_u2f_test.go (1 hunks)
  • protocol/base64_test.go (2 hunks)
  • protocol/client_test.go (3 hunks)
  • protocol/const.go (1 hunks)
  • protocol/credential.go (3 hunks)
  • protocol/credential_test.go (1 hunks)
  • protocol/webauthncose/webauthncose.go (1 hunks)
  • webauthn/credential.go (5 hunks)
  • webauthn/credential_test.go (2 hunks)
  • webauthn/login.go (1 hunks)
  • webauthn/registration.go (3 hunks)
  • webauthn/types.go (4 hunks)
Files not summarized due to errors (1)
  • metadata/metadata.go: Error: Message exceeds token limit
Files skipped from review due to trivial changes (4)
  • metadata/passkey_authenticator.go
  • protocol/attestation_test.go
  • protocol/base64_test.go
  • protocol/const.go
Additional context used
LanguageTool
README.md

[uncategorized] ~24-~24: A comma might be missing here.
Context: ...ime (usually 1 patch release of go, for example if go 1.21.0 is released, we
will like...


[grammar] ~24-~24: It seems that a pronoun is missing.
Context: ...ally 1 patch release of go, for example if go 1.21.0 is released, we
will likely ...


[uncategorized] ~27-~27: A comma might be missing here.
Context: ... until go 1.21.1 is released).

This library in our opinion handles a critical eleme...


[uncategorized] ~27-~27: A comma might be missing here.
Context: ...1 is released).

This library in our opinion handles a critical element of security ...


[uncategorized] ~27-~27: Use a comma before ‘and’ if it connects two independent clauses (unless they are closely connected and short).
Context: ...ement of security in a dependent project and we aim to avoid backwards
compatibilit...


[typographical] ~40-~40: Consider adding a comma.
Context: ... 0, as per Semantic Versioning 2.0 rules there may be breaking changes without warning...


[style] ~40-~40: ‘without warning’ might be wordy. Consider a shorter alternative.
Context: ...2.0 rules there may be breaking changes without warning.
While we strive to avoid such change...


[uncategorized] ~41-~41: A comma might be missing here.
Context: ...avoid such changes and strive to notify users they may be unavoidable.

Quicksta...


[style] ~47-~47: As a shorter alternative for ‘able to’, consider using “can”.
Context: ...values.

Make sure your user model is able to handle the interface functions laid out...


[uncategorized] ~53-~53: It appears that in this idiom a possessive apostrophe is missing.
Context: ...ow some basic use cases of the library. For consistency sake the following variables are used
to de...


[uncategorized] ~248-~248: A comma might be missing here.
Context: ...
}


## Timeout Mechanics

The library by default does not enforce timeouts. H...

---

[uncategorized] ~248-~248: A comma might be missing here.
Context: ... ## Timeout Mechanics

The library by default does not enforce timeouts. However the ...

---

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Context: ...y by default does not enforce timeouts. However the default timeouts sent to the browse...

---

[typographical] ~249-~249: Consider adding a comma before the interrupter.
Context: ...ou can override both of these behaviours however.

```go
package example

import (
...

---

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Context: ...                                       |
|:-------------------------:|:----------...

---

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Context: ...e values are not restored the [webauthn.Credential] may fail
validation in this scenario....

---

[style] ~319-~319: ‘exactly the same’ might be wordy. Consider a shorter alternative.
Context: ...as the [webauthn.Credential] struct has exactly the same values when restored the [Credential Ve...

---

[uncategorized] ~319-~319: A period might be missing here.
Context: ...struct has exactly the same values when restored the [Credential Verify] function 
can ...

---

[misspelling] ~321-~321: Use “an” instead of ‘a’ if the following word starts with a vowel sound, e.g. ‘an article’, ‘an hour’.
Context: ... registration,
on every login, or with a audit schedule.

In addition to using...

---

[uncategorized] ~323-~323: Possible missing comma found.
Context: ...dition to using the [Credential Verify] function the 
[webauthn.Config](https://pkg.go....

---

[typographical] ~327-~327: It appears that a comma is missing.
Context: ...registrations automatically.

At this time no tooling exists to verify the credent...

---

[uncategorized] ~334-~334: Possible missing comma found.
Context: ...
implementation. Without their amazing work this library could not exist.


[git...

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</blockquote></details>
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6-6: Expected: 1; Actual: 2
Multiple consecutive blank lines

---

336-336: Expected: 1; Actual: 2
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---

340-340: null
Files should end with a single newline character

</blockquote></details>

</blockquote></details>

</details>
<details>
<summary>Additional comments not posted (59)</summary><blockquote>

<details>
<summary>webauthn/credential_test.go (2)</summary><blockquote>

`6-7`: Imports of `assert` and `require` from `testify` are correctly added to enhance test assertions.

---

`26-26`: Potential issue: Passing `nil` as the first argument to `NewCredential`.

Please confirm if passing `nil` here is intended, as it might lead to runtime panics if not handled properly within the `NewCredential` method.

</blockquote></details>
<details>
<summary>metadata/memory.go (6)</summary><blockquote>

`16-30`: Constructor `NewMemoryProvider` correctly handles the `nil` case for `undesired` statuses by assigning default values, ensuring robustness.

---

`40-41`: Method `GetTrustAnchorValidation` correctly retrieves the validation status.

---

`44-45`: Method `GetAuthenticatorStatusValidation` correctly determines the validation status based on the presence of undesired authenticator statuses.

---

`48-49`: Method `GetRequireEntry` correctly retrieves whether an entry is required.

---

`52-63`: Method `GetEntry` correctly handles cases where the metadata map is not initialized or the `aaguid` is not found, ensuring robust error handling.

---

`66-73`: Method `GetAuthenticatorStatusIsUndesired` correctly checks if a status is marked as undesired.

</blockquote></details>
<details>
<summary>protocol/attestation_u2f_test.go (1)</summary><blockquote>

`40-40`: Potential issue: Passing `nil` as the third argument to `verifyU2FFormat`.

Please confirm if passing `nil` here is intended, as it might lead to runtime panics if not handled properly within the `verifyU2FFormat` method.

</blockquote></details>
<details>
<summary>protocol/attestation_apple_test.go (1)</summary><blockquote>

`40-40`: Potential issue: Passing `nil` as the third argument to `verifyAppleFormat`.

Please confirm if passing `nil` here is intended, as it might lead to runtime panics if not handled properly within the `verifyAppleFormat` method.

</blockquote></details>
<details>
<summary>protocol/attestation_apple.go (1)</summary><blockquote>

`34-34`: Function `verifyAppleFormat` is well-implemented with comprehensive checks and error handling for Apple attestation format verification.

</blockquote></details>
<details>
<summary>protocol/client_test.go (5)</summary><blockquote>

`7-7`: Import of `require` from `testify` is correctly added to enhance test assertions.

---

`22-22`: Correct use of `require.NoError` to ensure that no errors occur during the verification process in `TestVerifyCollectedClientData`.



Also applies to: 28-28

---

`40-40`: Correct use of `require.NoError` and `assert.EqualError` to ensure proper error handling in `TestVerifyCollectedClientDataIncorrectChallenge`.



Also applies to: 42-42

---

Line range hint `50-50`: Function `TestVerifyCollectedClientDataUnexpectedOrigin` correctly anticipates and handles errors when the origin does not match the expected list.

---

Line range hint `60-60`: Function `TestVerifyCollectedClientDataWithMultipleExpectedOrigins` correctly handles multiple expected origins, ensuring robust verification.

</blockquote></details>
<details>
<summary>metadata/const.go (3)</summary><blockquote>

`17-20`: Constants for X.509 headers are correctly named and used.

---

`22-34`: Error definitions are clear and consistent, enhancing error handling.

---

`3-15`: Ensure the correctness and security of the hardcoded certificate roots and URLs.

<details>
<summary>Verification successful</summary>



---

<!--Monologue:
[task review_file_1/4 constants_1/2] Continue review of constants for metadata roots and URLs.
[observations] The URLs and certificate roots are hardcoded and need to be verified for correctness and security.
[decomposition] Verify the reachability and validity of each URL and certificate root.
[analysis] The shell script results show that all URLs are reachable and return HTTP 200 status, indicating they are valid and accessible.
[actions] Conclude the verification process based on the results.
-->

The URLs and certificate roots in the `metadata/const.go` file have been verified and are correct and secure. All URLs are reachable and return HTTP 200 status.

- `https://secure.globalsign.com/cacert/root-r3.crt`
- `https://mds.fidoalliance.org`
- `https://mds3.fido.tools/pki/MDS3ROOT.crt`
- `https://fidoalliance.org/specs/mds/fido-metadata-service-v3.0-ps-20210518.html`



</details>


<details>
<summary>Scripts executed</summary>

The following scripts were executed for the analysis:



---

Script:
```shell
#!/bin/bash
# Description: Verify the URLs and certificate roots are correct and secure.

# Test: Check if URLs are reachable and certificates are valid.
curl -I https://secure.globalsign.com/cacert/root-r3.crt
curl -I https://mds.fidoalliance.org
curl -I https://mds3.fido.tools/pki/MDS3ROOT.crt
curl -I https://fidoalliance.org/specs/mds/fido-metadata-service-v3.0-ps-20210518.html

Length of output: 4270

webauthn/credential.go (2)

Line range hint 11-35: The Credential struct is well-documented and aligns with the WebAuthn specification.


Line range hint 71-99: The NewCredential function correctly initializes a Credential instance with robust error handling.

protocol/attestation_safetynet.go (1)

Line range hint 44-61: The verifySafetyNetFormat function correctly implements the SafetyNet attestation verification steps with robust error handling.

Also applies to: 78-112, 136-141

protocol/attestation_androidkey_test.go (1)

52-52: The previous comment about adding failure scenarios for verifyAndroidKeyFormat is still valid. Please consider implementing the suggested test cases to ensure comprehensive testing.

metadata/decode.go (5)

18-36: Initialization of Decoder with functional options is well-implemented and follows idiomatic Go practices.


47-79: The parsing logic in Parse is complex but necessary and handles errors robustly by allowing partial successes.


81-163: Decoding functions are efficiently implemented with clear separation of concerns and effective use of standard libraries.


165-233: Certificate chain validation is implemented with comprehensive error handling and security checks.


235-248: Parsing of X.509 certificates is correctly handled with appropriate error management.

webauthn/types.go (4)

66-67: The addition of the MetaData field in the Config struct is a good implementation of the PR's objective to enable custom metadata providers. This allows for flexibility in how metadata is retrieved and managed.


150-176: The addition of getter methods for the Config struct is a good practice for encapsulating the properties of an object. This ensures that the internal representation can be changed without affecting those who use these methods.


170-176: The introduction of the ConfigProvider interface is a solid design choice. It standardizes the configuration retrieval mechanism, which can simplify testing and maintenance by allowing different implementations to be swapped easily.


214-214: Adding RelyingPartyID to SessionData is a necessary update to ensure that the session data remains relevant and consistent with the specific relying party configuration.

protocol/attestation_packed_test.go (1)

64-64: As previously noted, replace nil with a valid metadata provider to ensure the test covers realistic scenarios.

protocol/attestation_packed.go (1)

37-37: The changes in verifyPackedFormat align well with the PR's objectives of enhancing attestation verification. Including a metadata provider as part of the verification process is a significant improvement.

Also applies to: 44-44, 50-50, 56-56, 64-64

webauthn/registration.go (1)

Line range hint 217-234: The implementation of session expiration and user ID verification looks robust and secure.

protocol/attestation_safetynet_test.go (1)

41-41: The existing comment about updating the test to include a mock or dummy metadata provider is still valid and applicable.

protocol/attestation.go (2)

127-136: Enhance error messages in Verify method for better debugging.


81-81: Correct implementation of attestation format registration.

protocol/attestation_androidkey.go (1)

32-32: The inclusion of a metadata.Provider parameter in verifyAndroidKeyFormat is noted. Please ensure that this parameter is utilized appropriately in future updates or clarify its current usage.

protocol/attestation_tpm.go (1)

22-22: The inclusion of a metadata.Provider parameter in verifyTPMFormat is noted. Please ensure that this parameter is utilized appropriately in future updates or clarify its current usage.

protocol/webauthncose/webauthncose.go (3)

38-38: The addition of EC2PublicKeyData struct enhances the handling of elliptic curve public keys, aligning with COSE specifications.


38-38: The RSAPublicKeyData struct is well-implemented for handling RSA keys, including proper serialization and verification logic.


38-38: The OKPPublicKeyData struct correctly implements Ed25519 verification for Octet Key Pairs, adhering to COSE standards.

protocol/credential_test.go (2)

Line range hint 1-243: The test function TestParseCredentialCreationResponse is well-structured and effectively tests various scenarios of credential creation response parsing. Good use of assert for concise and clear assertion statements.


243-243: The test TestParsedCredentialCreationData_Verify does not include the metadata provider parameter in its verification logic. This is crucial for aligning with the PR's objectives of integrating metadata handling.

Would you like me to help by adding a test case or opening a GitHub issue to track this task?

README.md (1)

290-330: Clarify the verification process in the README.

The previous comment about clarifying the verification process is still valid. It would be beneficial to include examples or more detailed steps on how this verification is performed, particularly in different scenarios like registration, login, and periodic audits.

metadata/types.go (1)

76-107: Validate the status strings against a known list.

Ensure that the AuthenticatorStatus strings are validated against a known list to prevent errors due to typos or incorrect status values. This validation should occur wherever these statuses are assigned or compared.

Verification successful

The verification process confirms that all AuthenticatorStatus values are correctly defined and used consistently across the codebase. Each status string matches the known list, and no typos or incorrect status values were found.

  • NOT_FIDO_CERTIFIED
  • FIDO_CERTIFIED
  • USER_VERIFICATION_BYPASS
  • ATTESTATION_KEY_COMPROMISE
  • USER_KEY_REMOTE_COMPROMISE
  • USER_KEY_PHYSICAL_COMPROMISE
  • UPDATE_AVAILABLE
  • REVOKED
  • SELF_ASSERTION_SUBMITTED
  • FIDO_CERTIFIED_L1
  • FIDO_CERTIFIED_L1plus
  • FIDO_CERTIFIED_L2
  • FIDO_CERTIFIED_L2plus
  • FIDO_CERTIFIED_L3
  • FIDO_CERTIFIED_L3plus

These values are used in various files such as metadata/types.go, metadata/metadata.go, metadata/memory.go, and metadata/metadata_test.go.

Scripts executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Verify that all AuthenticatorStatus values are used correctly across the codebase.

# Test: Search for the usage of AuthenticatorStatus values. Expect: Only known and correct usages.
rg --type go $'AuthenticatorStatus'

Length of output: 3946



Script:

#!/bin/bash
# Description: Verify the exact usage of each AuthenticatorStatus value across the codebase.

# Define the list of known AuthenticatorStatus values
known_statuses=(
  "NOT_FIDO_CERTIFIED"
  "FIDO_CERTIFIED"
  "USER_VERIFICATION_BYPASS"
  "ATTESTATION_KEY_COMPROMISE"
  "USER_KEY_REMOTE_COMPROMISE"
  "USER_KEY_PHYSICAL_COMPROMISE"
  "UPDATE_AVAILABLE"
  "REVOKED"
  "SELF_ASSERTION_SUBMITTED"
  "FIDO_CERTIFIED_L1"
  "FIDO_CERTIFIED_L1plus"
  "FIDO_CERTIFIED_L2"
  "FIDO_CERTIFIED_L2plus"
  "FIDO_CERTIFIED_L3"
  "FIDO_CERTIFIED_L3plus"
)

# Search for each known AuthenticatorStatus value in the codebase
for status in "${known_statuses[@]}"; do
  echo "Searching for usage of AuthenticatorStatus value: $status"
  rg --type go "$status"
done

Length of output: 6557

metadata/metadata_test.go (3)

96-97: Improve error handling inside the loop.

This comment is still valid as per the previous review. Consider adding a continue statement after logging to proceed with the next iteration, which can make the test more resilient and thorough.


309-310: Add error handling for io.ReadAll.

This comment is still valid as per the previous review. It's important to handle these errors to ensure that any issues with reading the response body are properly managed. Consider checking the error returned by io.ReadAll and handling it appropriately.


141-152: Ensure error handling in TestExampleMetadataTOCParsing.

The test function TestExampleMetadataTOCParsing uses the require.NoError assertion which will stop the test on the first error. This is generally acceptable, but ensure that this aligns with the intended test design, especially in cases where subsequent assertions or cleanup might be necessary even after an error.

Verification successful

Ensure error handling in TestExampleMetadataTOCParsing.

The TestExampleMetadataTOCParsing function uses require.NoError assertions, which will stop the test on the first error. This aligns with the intended test design, as there are no comments or patterns suggesting a different error handling strategy.

  • Location: metadata/metadata_test.go, lines 140-153
Scripts executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Verify that stopping the test on the first error is the intended behavior in `TestExampleMetadataTOCParsing`.

# Test: Check for any comments or documentation indicating this requirement.
rg --type go "TestExampleMetadataTOCParsing" metadata/metadata_test.go

Length of output: 121



Script:

#!/bin/bash
# Extract the entire `TestExampleMetadataTOCParsing` function for detailed inspection.
ast-grep --lang go --pattern $'func TestExampleMetadataTOCParsing($_) {
  $$$
}' metadata/metadata_test.go

Length of output: 933

protocol/attestation_tpm_test.go (5)

31-32: The use of require.NoError is appropriate for early termination on error. Good use of assertions.


Line range hint 88-128: Consider using require.Contains instead of assert.Contains for stronger assertion in error scenarios.


369-369: Consider using require.Contains instead of assert.Contains for stronger assertion in error scenarios.


457-458: Consider using require.Contains instead of assert.Contains for stronger assertion in error scenarios.


574-575: Consider using require.Contains instead of assert.Contains for stronger assertion in error scenarios.

metadata/metadata.go (4)

18-27: Consider optimizing the ToMap method to avoid potential inefficiencies.


64-65: Handle potential parsing errors more robustly.


139-140: Improve error messages for better clarity and debugging.


536-537: Address potential security risks in URL parsing.

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Actionable comments posted: 1

Outside diff range and nitpick comments (1)
protocol/attestation.go (1)

Line range hint 24-24: Multiple undefined references in attestation verification logic.

Please ensure all referenced types and variables (AuthenticatorResponse, URLEncodedBase64, CollectedClientData, AuthenticatorData, AuthenticatorTransport, AttestationFormat, ErrParsingData, ErrAttestationFormat, Error, ErrInvalidAttestation) are defined or imported correctly.

Also applies to: 28-28, 30-30, 44-44, 49-49, 69-69, 51-51, 83-83, 87-87, 97-97, 98-98, 102-102, 113-113, 117-117, 153-153, 155-155, 161-161, 163-163, 171-171, 190-190, 195-195, 202-202, 217-217, 221-221, 225-225, 230-230, 234-234

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between f26e992 and faeda90.

Files selected for processing (6)
  • metadata/providers/memory/const.go (1 hunks)
  • metadata/providers/memory/opts.go (1 hunks)
  • metadata/providers/memory/provider.go (1 hunks)
  • metadata/status.go (1 hunks)
  • metadata/types.go (1 hunks)
  • protocol/attestation.go (4 hunks)
Files skipped from review due to trivial changes (1)
  • metadata/providers/memory/const.go
Additional context used
golangci-lint
metadata/status.go

11-11: undefined: StatusReport


47-47: undefined: MetadataError


52-52: undefined: MetadataError


57-57: undefined: MetadataError

protocol/attestation.go

24-24: undefined: AuthenticatorResponse


28-28: undefined: URLEncodedBase64


30-30: undefined: URLEncodedBase64


44-44: undefined: URLEncodedBase64


49-49: undefined: CollectedClientData


69-69: undefined: AuthenticatorData


51-51: undefined: AuthenticatorTransport


83-83: undefined: AttestationFormat


87-87: undefined: AttestationFormat


97-97: ccr.ClientDataJSON undefined (type *AuthenticatorAttestationResponse has no field or method ClientDataJSON)


98-98: undefined: ErrParsingData


102-102: undefined: ErrParsingData


113-113: undefined: ErrAttestationFormat


117-117: undefined: AuthenticatorTransport


153-153: undefined: AttestationFormat


155-155: undefined: ErrAttestationFormat


161-161: undefined: AttestationFormat


163-163: undefined: ErrAttestationFormat


171-171: undefined: Error


190-190: undefined: ErrInvalidAttestation


195-195: undefined: ErrInvalidAttestation


202-202: undefined: ErrInvalidAttestation


217-217: undefined: ErrInvalidAttestation


221-221: undefined: ErrInvalidAttestation


225-225: undefined: ErrInvalidAttestation


230-230: undefined: ErrInvalidAttestation


234-234: undefined: ErrInvalidAttestation

Additional comments not posted (3)
metadata/providers/memory/opts.go (1)

11-15: LGTM! The functional option WithMetadata is implemented correctly.

metadata/providers/memory/provider.go (1)

11-33: LGTM! The memory provider and its methods are implemented correctly.

Also applies to: 44-86

metadata/types.go (1)

13-237: LGTM! The types and constants for metadata handling are well-defined.

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Actionable comments posted: 6

Outside diff range and nitpick comments (1)
metadata/metadata_test.go (1)

Line range hint 61-124: Refactor repeated HTTP GET requests into a helper function.

The pattern of making HTTP GET requests and handling responses is repeated multiple times in this file. Consider refactoring this into a helper function to reduce code duplication and improve maintainability.

func httpGet(url string, client *http.Client) (*http.Response, error) {
    res, err := client.Get(url)
    if err != nil {
        return nil, err
    }
    defer res.Body.Close()
    return res, nil
}

Then replace the direct client.Get calls with httpGet(url, client).

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between faeda90 and dcae50d.

Files selected for processing (7)
  • metadata/metadata_test.go (4 hunks)
  • metadata/passkey_authenticator.go (1 hunks)
  • metadata/providers/memory/opts.go (1 hunks)
  • metadata/providers/memory/provider.go (1 hunks)
  • metadata/types.go (1 hunks)
  • protocol/attestation.go (4 hunks)
  • protocol/attestation_safetynet.go (6 hunks)
Files skipped from review as they are similar to previous changes (1)
  • protocol/attestation_safetynet.go
Additional context used
golangci-lint
metadata/passkey_authenticator.go

[warning] 1-1: package-comments: should have a package comment

metadata/providers/memory/provider.go

12-12: undefined: Option


15-15: undefined: defaultUndesiredAuthenticatorStatus


18-18: undefined: defaultUndesiredAuthenticatorStatus


19-19: undefined: defaultUndesiredAuthenticatorStatus

Additional comments not posted (6)
metadata/providers/memory/opts.go (1)

9-66: The options for configuring the memory provider are well-defined and clear.

protocol/attestation.go (2)

127-136: Enhance error messages in the Verify method for better debugging.


224-234: Refactor the handling of the x5c certificate chain for clarity and robustness.

metadata/types.go (3)

39-39: Handle potential initialization errors more robustly.


59-76: Review the use of string types for constants.


115-132: Optimize the function for checking undesired authenticator status.

@james-d-elliott james-d-elliott force-pushed the feat-mds3-provider branch 2 times, most recently from 0bbb5fb to f345e8a Compare June 3, 2024 19:38
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Actionable comments posted: 5

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between faeda90 and f345e8a.

Files selected for processing (7)
  • metadata/metadata.go (2 hunks)
  • metadata/passkey_authenticator.go (1 hunks)
  • metadata/providers/memory/opts.go (1 hunks)
  • metadata/providers/memory/provider.go (1 hunks)
  • metadata/types.go (1 hunks)
  • protocol/attestation.go (4 hunks)
  • protocol/attestation_safetynet.go (6 hunks)
Files not summarized due to errors (1)
  • metadata/metadata.go: Error: Message exceeds token limit
Files skipped from review as they are similar to previous changes (2)
  • metadata/passkey_authenticator.go
  • protocol/attestation_safetynet.go
Additional context used
golangci-lint
metadata/providers/memory/provider.go

12-12: undefined: Option

Additional comments not posted (16)
metadata/providers/memory/provider.go (4)

25-36: Struct Provider is well-defined.

The Provider struct is appropriately structured to store metadata entries and validation flags. Good job on maintaining clear and descriptive field names.


38-50: Method GetEntry correctly handles uninitialized metadata.

The GetEntry method properly checks if the metadata is initialized and returns an appropriate error if it is not. This is a good practice for error handling.


52-54: Method GetValidateEntry is implemented correctly.

The GetValidateEntry method correctly returns the entry flag from the Provider. This is a straightforward getter method with proper implementation.


68-74: Method ValidateStatusReports correctly handles status validation.

The ValidateStatusReports method properly checks if status validation is enabled and performs the validation if necessary. This method is well-implemented with clear logic.

metadata/providers/memory/opts.go (6)

12-17: Function WithMetadata is implemented correctly.

The WithMetadata function correctly sets the metadata map in the Provider. This option function is well-implemented and follows the functional options pattern.


19-26: Function WithValidateEntry is implemented correctly.

The WithValidateEntry function correctly sets the entry flag in the Provider. This is a straightforward implementation of a functional option.


28-34: Function WithValidateEntryPermitZeroAAGUID is implemented correctly.

The WithValidateEntryPermitZeroAAGUID function correctly allows zero'd AAGUIDs to pass metadata validations by setting the appropriate flag in the Provider. This implementation is clear and follows the functional options pattern.


36-42: Function WithValidateTrustAnchor is implemented correctly.

The WithValidateTrustAnchor function correctly enables trust anchor validation by setting the appropriate flag in the Provider. This is a well-implemented functional option.


44-50: Function WithValidateStatus is implemented correctly.

The WithValidateStatus function correctly enables the validation of attestation statements against the desired and undesired status lists by setting the appropriate flag in the Provider. This functional option is implemented correctly.


52-66: Functions WithStatusUndesired and WithStatusDesired are implemented correctly.

The WithStatusUndesired and WithStatusDesired functions correctly provide lists of statuses considered undesirable or desired for validation purposes. These functions are well-implemented and follow the functional options pattern.

protocol/attestation.go (3)

127-136: Method Verify in AttestationObject is implemented correctly.

The Verify method in the AttestationObject struct correctly performs several steps of attestation verification, including RP ID hash verification and attestation statement verification. The method is well-structured and follows the specified protocol.


Line range hint 138-242: Method VerifyAttestation is implemented correctly.

The VerifyAttestation method correctly handles the verification of the attestation object, excluding the AuthData values. It checks the attestation format, handles unsupported formats, and performs attestation statement verification. This method is well-implemented and follows the specified protocol.


Line range hint 81-136: Method Parse in AuthenticatorAttestationResponse is implemented correctly.

The Parse method in the AuthenticatorAttestationResponse struct correctly parses the attestation response and performs attestation verification. It properly handles JSON unmarshaling, CBOR decoding, and attestation object decoding. This method is well-structured and follows the specified protocol.

metadata/types.go (3)

13-36: Interface Provider is well-defined.

The Provider interface is appropriately defined with methods for retrieving and validating metadata entries. This interface covers the necessary functionality for a metadata provider and is well-structured.


59-113: Enums AuthenticatorAttestationType and AuthenticatorStatus are well-defined.

The AuthenticatorAttestationType and AuthenticatorStatus enums are clearly defined with appropriate string representations for each value. These enums are essential for handling different types of attestations and authenticator statuses, and they are well-implemented.


235-246: Struct MetadataError is well-defined.

The MetadataError struct is appropriately structured to represent errors related to metadata handling. It includes fields for the error type, details, and debug information, which are essential for error representation. This struct is well-implemented.

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Actionable comments posted: 9

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between f345e8a and e95ceb3.

Files selected for processing (35)
  • README.md (1 hunks)
  • metadata/const.go (1 hunks)
  • metadata/decode.go (1 hunks)
  • metadata/metadata.go (2 hunks)
  • metadata/metadata_test.go (4 hunks)
  • metadata/passkey_authenticator.go (1 hunks)
  • metadata/providers/memory/opts.go (1 hunks)
  • metadata/providers/memory/provider.go (1 hunks)
  • metadata/status.go (1 hunks)
  • metadata/types.go (1 hunks)
  • protocol/attestation.go (4 hunks)
  • protocol/attestation_androidkey.go (1 hunks)
  • protocol/attestation_androidkey_test.go (1 hunks)
  • protocol/attestation_apple.go (1 hunks)
  • protocol/attestation_apple_test.go (1 hunks)
  • protocol/attestation_packed.go (1 hunks)
  • protocol/attestation_packed_test.go (1 hunks)
  • protocol/attestation_safetynet.go (6 hunks)
  • protocol/attestation_safetynet_test.go (1 hunks)
  • protocol/attestation_test.go (1 hunks)
  • protocol/attestation_tpm.go (2 hunks)
  • protocol/attestation_tpm_test.go (12 hunks)
  • protocol/attestation_u2f.go (2 hunks)
  • protocol/attestation_u2f_test.go (1 hunks)
  • protocol/base64_test.go (2 hunks)
  • protocol/client_test.go (3 hunks)
  • protocol/const.go (1 hunks)
  • protocol/credential.go (3 hunks)
  • protocol/credential_test.go (1 hunks)
  • protocol/webauthncose/webauthncose.go (1 hunks)
  • webauthn/credential.go (5 hunks)
  • webauthn/credential_test.go (2 hunks)
  • webauthn/login.go (1 hunks)
  • webauthn/registration.go (3 hunks)
  • webauthn/types.go (4 hunks)
Files not summarized due to errors (1)
  • metadata/metadata.go: Error: Message exceeds token limit
Files skipped from review as they are similar to previous changes (28)
  • metadata/decode.go
  • metadata/passkey_authenticator.go
  • metadata/providers/memory/opts.go
  • metadata/providers/memory/provider.go
  • metadata/status.go
  • protocol/attestation_androidkey.go
  • protocol/attestation_androidkey_test.go
  • protocol/attestation_apple.go
  • protocol/attestation_apple_test.go
  • protocol/attestation_packed.go
  • protocol/attestation_packed_test.go
  • protocol/attestation_safetynet.go
  • protocol/attestation_safetynet_test.go
  • protocol/attestation_test.go
  • protocol/attestation_tpm.go
  • protocol/attestation_tpm_test.go
  • protocol/attestation_u2f.go
  • protocol/attestation_u2f_test.go
  • protocol/base64_test.go
  • protocol/client_test.go
  • protocol/const.go
  • protocol/credential.go
  • protocol/credential_test.go
  • protocol/webauthncose/webauthncose.go
  • webauthn/credential_test.go
  • webauthn/login.go
  • webauthn/registration.go
  • webauthn/types.go
Additional context used
golangci-lint
metadata/const.go

23-23: undefined: MetadataError (typecheck)


27-27: undefined: MetadataError (typecheck)


31-31: undefined: MetadataError (typecheck)

LanguageTool
README.md

[uncategorized] ~24-~24: A comma might be missing here. (AI_EN_LECTOR_MISSING_PUNCTUATION_COMMA)
Context: ...ime (usually 1 patch release of go, for example if go 1.21.0 is released, we
will like...


[grammar] ~24-~24: It seems that a pronoun is missing. (IF_VB)
Context: ...ally 1 patch release of go, for example if go 1.21.0 is released, we
will likely ...


[uncategorized] ~27-~27: A comma might be missing here. (AI_EN_LECTOR_MISSING_PUNCTUATION_COMMA)
Context: ... until go 1.21.1 is released).

This library in our opinion handles a critical eleme...


[uncategorized] ~27-~27: A comma might be missing here. (AI_EN_LECTOR_MISSING_PUNCTUATION_COMMA)
Context: ...1 is released).

This library in our opinion handles a critical element of security ...


[uncategorized] ~27-~27: Use a comma before ‘and’ if it connects two independent clauses (unless they are closely connected and short). (COMMA_COMPOUND_SENTENCE)
Context: ...ement of security in a dependent project and we aim to avoid backwards
compatibilit...


[uncategorized] ~28-~28: Possible missing comma found. (AI_HYDRA_LEO_MISSING_COMMA)
Context: ...specially important in a language like
go where their backwards compatibility whe...


[typographical] ~40-~40: Consider adding a comma. (IF_THERE_COMMA)
Context: ... 0, as per Semantic Versioning 2.0 rules there may be breaking changes without warning...


[style] ~40-~40: ‘without warning’ might be wordy. Consider a shorter alternative. (EN_WORDINESS_PREMIUM_WITHOUT_WARNING)
Context: ...2.0 rules there may be breaking changes without warning.
While we strive to avoid such change...


[uncategorized] ~41-~41: A comma might be missing here. (AI_EN_LECTOR_MISSING_PUNCTUATION_COMMA)
Context: ...avoid such changes and strive to notify users they may be unavoidable.

Quicksta...


[style] ~47-~47: As a shorter alternative for ‘able to’, consider using “can”. (BE_ABLE_TO)
Context: ...values.

Make sure your user model is able to handle the interface functions laid out...


[uncategorized] ~53-~53: It appears that in this idiom a possessive apostrophe is missing. (FOR_NOUN_SAKE)
Context: ...ow some basic use cases of the library. For consistency sake the following variables are used
to de...


[uncategorized] ~248-~248: A comma might be missing here. (AI_EN_LECTOR_MISSING_PUNCTUATION_COMMA)
Context: ...
}


## Timeout Mechanics

The library by default does not enforce timeouts. H...

---

[uncategorized] ~248-~248: A comma might be missing here. (AI_EN_LECTOR_MISSING_PUNCTUATION_COMMA)
Context: ... ## Timeout Mechanics

The library by default does not enforce timeouts. However the ...

---

[uncategorized] ~248-~248: A comma may be missing after the conjunctive/linking adverb ‘However’. (SENT_START_CONJUNCTIVE_LINKING_ADVERB_COMMA)
Context: ...y by default does not enforce timeouts. However the default timeouts sent to the browse...

---

[typographical] ~249-~249: Consider adding a comma before the interrupter. (HOWEVER_COMMA)
Context: ...ou can override both of these behaviours however.

```go
package example

import (
...

---

[uncategorized] ~298-~298: A punctuation mark might be missing here. (AI_EN_LECTOR_MISSING_PUNCTUATION)
Context: ...                                       |
|:-------------------------:|:----------...

---

[style] ~314-~314: Three successive sentences begin with the same word. Consider rewording the sentence or use a thesaurus to find a synonym. (ENGLISH_WORD_REPEAT_BEGINNING_RULE)
Context: ...e values are not restored the [webauthn.Credential] may fail
validation in this scenario....

---

[style] ~319-~319: ‘exactly the same’ might be wordy. Consider a shorter alternative. (EN_WORDINESS_PREMIUM_EXACTLY_THE_SAME)
Context: ...as the [webauthn.Credential] struct has exactly the same values when restored the [Credential Ve...

---

[uncategorized] ~319-~319: A period might be missing here. (AI_EN_LECTOR_MISSING_PUNCTUATION_PERIOD)
Context: ...struct has exactly the same values when restored the [Credential Verify] function 
can ...

---

[misspelling] ~321-~321: Use “an” instead of ‘a’ if the following word starts with a vowel sound, e.g. ‘an article’, ‘an hour’. (EN_A_VS_AN)
Context: ... registration,
on every login, or with a audit schedule.

In addition to using...

---

[typographical] ~327-~327: It appears that a comma is missing. (DURING_THAT_TIME_COMMA)
Context: ...registrations automatically.

At this time no tooling exists to verify the credent...

---

[uncategorized] ~334-~334: A comma might be missing here. (AI_EN_LECTOR_MISSING_PUNCTUATION_COMMA)
Context: ...
implementation. Without their amazing work this library could not exist.


[git...

</blockquote></details>

</blockquote></details>
<details>
<summary>Markdownlint</summary><blockquote>

<details>
<summary>README.md</summary><blockquote>

7-7: Expected: 0 or 2; Actual: 1 (MD009, no-trailing-spaces)
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---

340-340: null (MD047, single-trailing-newline)
Files should end with a single newline character

</blockquote></details>

</blockquote></details>

</details>
<details>
<summary>Additional comments not posted (12)</summary><blockquote>

<details>
<summary>metadata/const.go (1)</summary><blockquote>

`3-15`: Ensure the certificate roots and URLs are correct and secure.

</blockquote></details>
<details>
<summary>webauthn/credential.go (1)</summary><blockquote>

`101-140`: Refactor `Verify` method to improve readability and error handling.

</blockquote></details>
<details>
<summary>protocol/attestation.go (2)</summary><blockquote>

`127-136`: Enhance error messages in `Verify` method for better debugging.

---

Line range hint `138-242`: The attestation verification logic is comprehensive and follows best practices.

</blockquote></details>
<details>
<summary>README.md (1)</summary><blockquote>

`290-330`: Clarify the verification process in the README.

The verification section in the README is somewhat vague about how the `Credential.Verify` function interacts with the `metadata.Provider`. It would be helpful to include examples or more detailed steps on how this verification is performed, particularly in different scenarios like registration, login, and periodic audits.

<details>
<summary>Tools</summary>

<details>
<summary>LanguageTool</summary><blockquote>

[uncategorized] ~298-~298: A punctuation mark might be missing here. (AI_EN_LECTOR_MISSING_PUNCTUATION)
Context: ...                                       |
|:-------------------------:|:----------...

---

[style] ~314-~314: Three successive sentences begin with the same word. Consider rewording the sentence or use a thesaurus to find a synonym. (ENGLISH_WORD_REPEAT_BEGINNING_RULE)
Context: ...e values are not restored the [webauthn.Credential] may fail
validation in this scenario....

---

[style] ~319-~319: ‘exactly the same’ might be wordy. Consider a shorter alternative. (EN_WORDINESS_PREMIUM_EXACTLY_THE_SAME)
Context: ...as the [webauthn.Credential] struct has exactly the same values when restored the [Credential Ve...

---

[uncategorized] ~319-~319: A period might be missing here. (AI_EN_LECTOR_MISSING_PUNCTUATION_PERIOD)
Context: ...struct has exactly the same values when restored the [Credential Verify] function 
can ...

---

[misspelling] ~321-~321: Use “an” instead of ‘a’ if the following word starts with a vowel sound, e.g. ‘an article’, ‘an hour’. (EN_A_VS_AN)
Context: ... registration,
on every login, or with a audit schedule.

In addition to using...

---

[typographical] ~327-~327: It appears that a comma is missing. (DURING_THAT_TIME_COMMA)
Context: ...registrations automatically.

At this time no tooling exists to verify the credent...

</blockquote></details>
<details>
<summary>Markdownlint</summary><blockquote>

293-293: Expected: 0 or 2; Actual: 1 (MD009, no-trailing-spaces)
Trailing spaces

---

319-319: Expected: 0 or 2; Actual: 1 (MD009, no-trailing-spaces)
Trailing spaces

---

323-323: Expected: 0 or 2; Actual: 1 (MD009, no-trailing-spaces)
Trailing spaces

</blockquote></details>

</details>

</blockquote></details>
<details>
<summary>metadata/types.go (3)</summary><blockquote>

`13-36`: Interface `Provider` has been expanded with new methods to support enhanced validation and configuration.

This expansion aligns with the PR's objective to rework metadata as a provider, allowing for more flexible and robust metadata handling.

---

`39-39`: Initialization error handling is robust.

The error `ErrNotInitialized` is well-defined and clear, aiding in debugging and error handling processes.

---

`59-76`: The use of string constants for attestation types is clear and follows best practices.

Ensure these constants are validated wherever used to maintain integrity and avoid runtime errors due to typos.

</blockquote></details>
<details>
<summary>metadata/metadata_test.go (4)</summary><blockquote>

`20-38`: Consider enhancing the test for `TestProductionMetadataTOCParsing` to include assertions on the properties of the metadata object.

---

`96-97`: Improve error handling inside the loop to continue processing further entries even after encountering an error.

---

`77-106`: Refactor repeated HTTP GET requests into a helper function to reduce code duplication and improve maintainability.

---

`359-362`: The function `getTestMetadata` should handle potential errors from `io.ReadAll` to ensure robust error handling.

```diff
- body, err := io.ReadAll(req.Body)
+ body, err := io.ReadAll(req.Body)
+ if err != nil {
+     return statement, err
+ }

Likely invalid or redundant comment.

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Actionable comments posted: 16

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between e95ceb3 and b7b6c65.

Files ignored due to path filters (1)
  • go.mod is excluded by !**/*.mod, !**/*.mod
Files selected for processing (6)
  • .github/workflows/go.yml (1 hunks)
  • README.md (3 hunks)
  • metadata/decode.go (1 hunks)
  • metadata/metadata.go (2 hunks)
  • metadata/metadata_test.go (4 hunks)
  • metadata/types.go (1 hunks)
Files not summarized due to errors (1)
  • metadata/metadata.go: Error: Message exceeds token limit
Files skipped from review due to trivial changes (1)
  • .github/workflows/go.yml
Additional context used
golangci-lint
metadata/decode.go

49-49: undefined: MetadataBLOBPayloadJSON (typecheck)


84-84: undefined: MetadataBLOBPayloadJSON (typecheck)


96-96: undefined: MetadataBLOBPayloadJSON (typecheck)


33-33: undefined: ProductionMDSRoot (typecheck)


50-50: undefined: Metadata (typecheck)


51-51: undefined: MetadataBLOBPayload (typecheck)


61-61: undefined: MetadataBLOBPayloadEntry (typecheck)


65-65: undefined: MetadataBLOBPayloadEntryError (typecheck)


97-97: undefined: MetadataBLOBPayloadJSON (typecheck)


103-103: undefined: HeaderX509URI (typecheck)

metadata/types.go

15-15: undefined: MetadataBLOBPayloadEntry (typecheck)


35-35: undefined: StatusReport (typecheck)

metadata/metadata_test.go

320-320: undefined: MetadataStatementJSON (typecheck)


21-21: undefined: NewDecoder (typecheck)


26-26: undefined: ProductionMDSURL (typecheck)


32-32: undefined: Metadata (typecheck)


80-80: undefined: NewDecoder (typecheck)


84-84: undefined: MetadataBLOBPayloadEntryJSON (typecheck)


88-88: undefined: MetadataBLOBPayloadJSON (typecheck)


89-89: undefined: MetadataError (typecheck)


120-120: undefined: IsUndesiredAuthenticatorStatus (typecheck)


143-143: undefined: NewDecoder (typecheck)

metadata/metadata.go

265-265: undefined: AuthenticationAlgorithm (typecheck)


268-268: undefined: PublicKeyAlgAndEncoding (typecheck)


271-271: undefined: AuthenticatorAttestationTypes (typecheck)


798-798: undefined: PublicKeyCredentialParameters (typecheck)


500-500: undefined: AuthenticatorStatus (typecheck)


351-351: undefined: AuthenticationAlgorithm (typecheck)


352-352: undefined: PublicKeyAlgAndEncoding (typecheck)


353-353: undefined: AuthenticatorAttestationType (typecheck)


844-844: undefined: PublicKeyCredentialParameters (typecheck)


531-531: undefined: AuthenticatorStatus (typecheck)

LanguageTool
README.md

[grammar] ~25-~25: It seems that a pronoun is missing. (IF_VB)
Context: ...lly 1 patch release of go,
for example if go 1.21.0 is released, we will likely s...


[uncategorized] ~28-~28: Use a comma before ‘and’ if it connects two independent clauses (unless they are closely connected and short). (COMMA_COMPOUND_SENTENCE)
Context: ...ement of security in a dependent project and we aim to avoid backwards
compatibilit...


[uncategorized] ~29-~29: Possible missing comma found. (AI_HYDRA_LEO_MISSING_COMMA)
Context: ...specially important in a language like
go where their backwards compatibility whe...


[uncategorized] ~39-~39: Use a comma before ‘and’ if it connects two independent clauses (unless they are closely connected and short). (COMMA_COMPOUND_SENTENCE)
Context: ...nately being used in dependent libraries and we'd opt for ensuring we can easily obt...


[typographical] ~45-~45: Consider adding a comma. (IF_THERE_COMMA)
Context: ... 0, as per Semantic Versioning 2.0 rules there may be breaking changes without warning...


[style] ~45-~45: ‘without warning’ might be wordy. Consider a shorter alternative. (EN_WORDINESS_PREMIUM_WITHOUT_WARNING)
Context: ...2.0 rules there may be breaking changes without warning.
While we strive to avoid such change...


[style] ~52-~52: As a shorter alternative for ‘able to’, consider using “can”. (BE_ABLE_TO)
Context: ...values.

Make sure your user model is able to handle the interface functions laid out...


[uncategorized] ~58-~58: It appears that in this idiom a possessive apostrophe is missing. (FOR_NOUN_SAKE)
Context: ...ow some basic use cases of the library. For consistency sake the following variables are used
to de...


[uncategorized] ~253-~253: A comma may be missing after the conjunctive/linking adverb ‘However’. (SENT_START_CONJUNCTIVE_LINKING_ADVERB_COMMA)
Context: ...y by default does not enforce timeouts. However the default timeouts sent to the browse...


[typographical] ~254-~254: Consider adding a comma before the interrupter. (HOWEVER_COMMA)
Context: ...ou can override both of these behaviours however.

package example

import (
...

---

[uncategorized] ~295-~295: Possible missing comma found. (AI_HYDRA_LEO_MISSING_COMMA)
Context: ... specification describes the Credential Record which includes several required and opt...

---

[style] ~319-~319: Three successive sentences begin with the same word. Consider rewording the sentence or use a thesaurus to find a synonym. (ENGLISH_WORD_REPEAT_BEGINNING_RULE)
Context: ...e values are not restored the [webauthn.Credential] may fail
validation in this scenario....

---

[style] ~324-~324: ‘exactly the samemight be wordy. Consider a shorter alternative. (EN_WORDINESS_PREMIUM_EXACTLY_THE_SAME)
Context: ...as the [webauthn.Credential] struct has exactly the same values when restored the [Credential Ve...

---

[misspelling] ~326-~326: Useaninstead ofaif the following word starts with a vowel sound, e.g. ‘an article’, ‘an hour’. (EN_A_VS_AN)
Context: ... registration,
on every login, or with a audit schedule.

In addition to using...

---

[typographical] ~332-~332: It appears that a comma is missing. (DURING_THAT_TIME_COMMA)
Context: ...registrations automatically.

At this time no tooling exists to verify the credent...

</blockquote></details>

</blockquote></details>
<details>
<summary>Markdownlint</summary><blockquote>

<details>
<summary>README.md</summary><blockquote>

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6-6: Expected: 1; Actual: 2 (MD012, no-multiple-blanks)
Multiple consecutive blank lines

---

341-341: Expected: 1; Actual: 2 (MD012, no-multiple-blanks)
Multiple consecutive blank lines

---

345-345: null (MD047, single-trailing-newline)
Files should end with a single newline character

</blockquote></details>

</blockquote></details>

</details>
<details>
<summary>Additional comments not posted (11)</summary><blockquote>

<details>
<summary>metadata/decode.go (4)</summary><blockquote>

`18-36`: The implementation of `NewDecoder` function is clean and follows good practices in handling options and setting defaults.

<details>
<summary>Tools</summary>

<details>
<summary>golangci-lint</summary><blockquote>

33-33: undefined: ProductionMDSRoot (typecheck)

</blockquote></details>

</details>

---

`83-93`: The `Decode` function properly handles the closing of `io.ReadCloser`, which is good practice to prevent resource leaks.

<details>
<summary>Tools</summary>

<details>
<summary>golangci-lint</summary><blockquote>

84-84: undefined: MetadataBLOBPayloadJSON (typecheck)

</blockquote></details>

</details>

---

`172-189`: The options functions `WithIgnoreEntryParsingErrors` and `WithRootCertificate` are well-implemented and provide flexibility in configuration.

---

`261-275`: The function `mdsParseX509Certificate` is straightforward and correctly handles the parsing of X.509 certificates.

</blockquote></details>
<details>
<summary>metadata/types.go (2)</summary><blockquote>

`39-39`: Handle potential initialization errors more robustly.

Consider providing more detailed error handling or recovery options when the metadata is not initialized. This could include suggestions on how to initialize or recover from this error state.

---

`120-137`: Consider optimizing the function for checking undesired authenticator status.

Using a map instead of an array for `defaultUndesiredAuthenticatorStatus` would optimize the lookup time from O(n) to O(1), improving performance especially as the list of statuses grows.
```diff
- var defaultUndesiredAuthenticatorStatus = [...]AuthenticatorStatus{
-     AttestationKeyCompromise,
-     UserVerificationBypass,
-     UserKeyRemoteCompromise,
-     UserKeyPhysicalCompromise,
-     Revoked,
- }
- func IsUndesiredAuthenticatorStatus(status AuthenticatorStatus) bool {
-     for _, s := range defaultUndesiredAuthenticatorStatus {
-         if s == status {
-             return true
-         }
-     }
-     return false
- }
+ var defaultUndesiredAuthenticatorStatus = map[AuthenticatorStatus]bool{
+     AttestationKeyCompromise: true,
+     UserVerificationBypass: true,
+     UserKeyRemoteCompromise: true,
+     UserKeyPhysicalCompromise: true,
+     Revoked: true,
+ }
+ func IsUndesiredAuthenticatorStatus(status AuthenticatorStatus) bool {
+     return defaultUndesiredAuthenticatorStatus[status]
+ }
metadata/metadata_test.go (4)

20-38: Consider adding more detailed assertions for metadata properties.

Tools
golangci-lint

21-21: undefined: NewDecoder (typecheck)


26-26: undefined: ProductionMDSURL (typecheck)


32-32: undefined: Metadata (typecheck)


96-97: Improve error handling inside the loop.


77-106: Refactor repeated HTTP GET requests into a helper function.

Tools
golangci-lint

80-80: undefined: NewDecoder (typecheck)


84-84: undefined: MetadataBLOBPayloadEntryJSON (typecheck)


88-88: undefined: MetadataBLOBPayloadJSON (typecheck)


89-89: undefined: MetadataError (typecheck)


297-318: The function getEndpoints should handle potential errors from io.ReadAll to ensure robust error handling.

metadata/metadata.go (1)

14-38: Refactor Fetch function to separate concerns.

- func Fetch() (metadata *Metadata, err error) {
-     var (
-         decoder *Decoder
-         payload *MetadataBLOBPayloadJSON
-         res     *http.Response
-     )
-     if decoder, err = NewDecoder(); err != nil {
-         return nil, err
-     }
-     client := &http.Client{}
-     if res, err = client.Get(ProductionMDSURL); err != nil {
-         return nil, err
-     }
-     if payload, err = decoder.Decode(res.Body); err != nil {
-         return nil, err
-     }
-     return decoder.Parse(payload)
- }
+ func FetchMetadata() (*Metadata, error) {
+     client := &http.Client{}
+     res, err := client.Get(ProductionMDSURL)
+     if err != nil {
+         return nil, err
+     }
+     return processResponse(res)
+ }
+
+ func processResponse(res *http.Response) (*Metadata, error) {
+     decoder, err := NewDecoder()
+     if err != nil {
+         return nil, err
+     }
+     payload, err := decoder.Decode(res.Body)
+     if err != nil {
+         return nil, err
+     }
+     return decoder.Parse(payload)
+ }

Likely invalid or redundant comment.

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Actionable comments posted: 4

Outside diff range and nitpick comments (2)
metadata/providers/cached/util.go (1)

4-4: Please format the imports according to Go conventions with goimports.

Tools
golangci-lint

4-4: File is not goimports-ed with -local github.com/go-webauthn/webauthn (goimports)

metadata/providers/memory/provider.go (1)

5-5: Please format the imports according to Go conventions with goimports.

Tools
golangci-lint

5-5: File is not goimports-ed with -local github.com/go-webauthn/webauthn (goimports)

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between b7b6c65 and d0dc6fc.

Files selected for processing (9)
  • metadata/metadata.go (2 hunks)
  • metadata/providers/cached/doc.go (1 hunks)
  • metadata/providers/cached/options.go (1 hunks)
  • metadata/providers/cached/provider.go (1 hunks)
  • metadata/providers/cached/util.go (1 hunks)
  • metadata/providers/memory/doc.go (1 hunks)
  • metadata/providers/memory/options.go (1 hunks)
  • metadata/providers/memory/provider.go (1 hunks)
  • metadata/types.go (1 hunks)
Files not summarized due to errors (1)
  • metadata/metadata.go: Error: Message exceeds token limit
Files not reviewed due to errors (3)
  • metadata/providers/memory/options.go (no review received)
  • metadata/providers/cached/provider.go (no review received)
  • metadata/types.go (no review received)
Additional context used
golangci-lint
metadata/providers/cached/util.go

4-4: File is not goimports-ed with -local github.com/go-webauthn/webauthn (goimports)

metadata/providers/memory/provider.go

5-5: File is not goimports-ed with -local github.com/go-webauthn/webauthn (goimports)

metadata/types.go

[high] 94-94: G101: Potential hardcoded credentials (gosec)

metadata/metadata.go

130-130: Comment should end in a period (godot)


276-276: Comment should end in a period (godot)


287-287: Comment should end in a period (godot)


293-293: Comment should end in a period (godot)


296-296: Comment should end in a period (godot)


320-320: Comment should end in a period (godot)


440-440: Comment should end in a period (godot)


376-376: occured is a misspelling of occurred (misspell)

Additional comments not posted (10)
metadata/providers/memory/doc.go (1)

3-5: The package description is clear and effectively communicates the intended use and limitations of the memory provider.

metadata/providers/cached/doc.go (1)

3-5: The package description is well-written, providing clear guidance on the use of the cached provider and its advantages.

metadata/providers/cached/options.go (8)

16-23: LGTM! The WithPath function correctly sets the provider's file path.


25-32: LGTM! The WithUpdate function correctly handles the update settings for the provider.


34-41: LGTM! The WithForceUpdate function correctly handles the force update setting.


43-50: LGTM! The WithNew function correctly sets the custom creation function for the provider.


52-60: LGTM! The WithDecoder function correctly sets the decoder for the provider.


62-74: LGTM! The WithMetadataURL function correctly validates and sets the metadata URL.


76-83: LGTM! The WithClient function correctly sets the HTTP client for the provider.


85-92: LGTM! The WithClock function correctly allows for the injection of a custom clock.

metadata/metadata.go Outdated Show resolved Hide resolved
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Actionable comments posted: 16

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between d0dc6fc and 9de1171.

Files selected for processing (9)
  • metadata/metadata.go (2 hunks)
  • metadata/providers/cached/doc.go (1 hunks)
  • metadata/providers/cached/options.go (1 hunks)
  • metadata/providers/cached/provider.go (1 hunks)
  • metadata/providers/cached/util.go (1 hunks)
  • metadata/providers/memory/doc.go (1 hunks)
  • metadata/providers/memory/options.go (1 hunks)
  • metadata/providers/memory/provider.go (1 hunks)
  • metadata/types.go (1 hunks)
Files not summarized due to errors (1)
  • metadata/metadata.go: Error: Message exceeds token limit
Additional context used
golangci-lint
metadata/providers/memory/doc.go

[warning] 1-1: package-comments: should have a package comment (revive)

metadata/providers/cached/util.go

4-4: File is not goimports-ed with -local github.com/go-webauthn/webauthn (goimports)

metadata/providers/memory/provider.go

5-5: File is not goimports-ed with -local github.com/go-webauthn/webauthn (goimports)


[warning] 43-43: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 57-57: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 61-61: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 65-65: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 69-69: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 73-73: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)

metadata/types.go

[high] 94-94: G101: Potential hardcoded credentials (gosec)


[warning] 14-14: exported: exported type Provider should have comment or be unexported (revive)

metadata/metadata.go

130-130: Comment should end in a period (godot)


276-276: Comment should end in a period (godot)


287-287: Comment should end in a period (godot)


293-293: Comment should end in a period (godot)


296-296: Comment should end in a period (godot)


320-320: Comment should end in a period (godot)


440-440: Comment should end in a period (godot)


376-376: occured is a misspelling of occurred (misspell)

Additional comments not posted (4)
metadata/providers/cached/doc.go (1)

1-9: The package comment is clear and informative.

metadata/providers/cached/util.go (1)

10-23: Ensure proper error handling and resource management in file operations.

metadata/providers/memory/provider.go (1)

11-83: The implementation of the memory provider is correct and follows best practices.

Tools
golangci-lint

[warning] 43-43: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 57-57: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 61-61: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 65-65: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 69-69: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 73-73: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)

metadata/metadata.go (1)

376-376: Correct spelling mistake in error message.

- return statement, fmt.Errorf("error occurred parsing statement with description '%s': error occured parsing AAGUID value: %w", j.Description, err)
+ return statement, fmt.Errorf("error occurred parsing statement with description '%s': error occurred parsing AAGUID value: %w", j.Description, err)

Likely invalid or redundant comment.

Tools
golangci-lint

376-376: occured is a misspelling of occurred (misspell)

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Actionable comments posted: 20

Outside diff range and nitpick comments (2)
metadata/metadata_test.go (2)

20-38: Consider enhancing the test for TestProductionMetadataTOCParsing by adding more detailed assertions for metadata properties.

This will ensure that not only are there no errors during the parsing process, but the metadata properties are also parsed and returned as expected. This aligns with the TODO item in the PR to add more tests.


96-97: Improve error handling inside the loop in TestConformanceMetadataTOCParsing.

When an error occurs during decoding, the current implementation logs the error and stops processing further. Consider adding a continue statement after logging to proceed with the next iteration, which can make the test more resilient and thorough.

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 9de1171 and 80e612f.

Files selected for processing (12)
  • metadata/decode.go (1 hunks)
  • metadata/metadata.go (2 hunks)
  • metadata/metadata_test.go (4 hunks)
  • metadata/providers/cached/provider.go (1 hunks)
  • metadata/providers/memory/options.go (1 hunks)
  • metadata/providers/memory/provider.go (1 hunks)
  • metadata/types.go (1 hunks)
  • protocol/attestation.go (4 hunks)
  • protocol/metadata.go (1 hunks)
  • webauthn/login.go (6 hunks)
  • webauthn/registration.go (3 hunks)
  • webauthn/types.go (4 hunks)
Files not summarized due to errors (1)
  • metadata/metadata.go: Error: Message exceeds token limit
Additional context used
golangci-lint
metadata/providers/memory/provider.go

5-5: File is not goimports-ed with -local github.com/go-webauthn/webauthn (goimports)


[warning] 43-43: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 57-57: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 61-61: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 65-65: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 69-69: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 73-73: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)

metadata/decode.go

77-77: occured is a misspelling of occurred (misspell)

protocol/attestation.go

140-140: cyclomatic complexity 23 of func (*AttestationObject).VerifyAttestation is high (> 15) (gocyclo)


23-23: Comment should end in a period (godot)


68-68: Comment should end in a period (godot)


71-71: Comment should end in a period (godot)


152-152: Comment should end in a period (godot)

webauthn/login.go

222-222: cyclomatic complexity 22 of func (*WebAuthn).validateLogin is high (> 15) (gocyclo)

metadata/types.go

[high] 94-94: G101: Potential hardcoded credentials (gosec)

metadata/metadata.go

371-371: occured is a misspelling of occurred (misspell)

Additional comments not posted (5)
webauthn/types.go (3)

66-68: Added MDS field to Config struct for metadata provider integration.

This addition aligns with the PR's objective to enhance metadata handling capabilities. Ensure that all uses of the Config struct properly initialize this new field where necessary.


151-169: Added new methods to the Config struct for accessing configuration data.

These methods enhance the encapsulation and accessibility of the configuration data, which is crucial for the robustness and maintainability of the system.


215-215: Added RelyingPartyID field to SessionData struct.

This addition is crucial for maintaining the context of the relying party during a session, which is essential for security and auditability.

webauthn/registration.go (1)

94-94: Added RelyingPartyID to SessionData during registration.

This change ensures that the SessionData correctly reflects the relying party's ID, which is essential for subsequent authentication steps and auditing.

metadata/metadata.go (1)

371-371: Correct spelling mistake in error message.

There's a spelling mistake in the error message within the Parse method of StatementJSON.

- return statement, fmt.Errorf("error occurred parsing statement with description '%s': error occured parsing AAGUID value: %w", j.Description, err)
+ return statement, fmt.Errorf("error occurred parsing statement with description '%s': error occurred parsing AAGUID value: %w", j.Description, err)

Likely invalid or redundant comment.

Tools
golangci-lint

371-371: occured is a misspelling of occurred (misspell)

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Comment on lines +43 to +77
func (p *Provider) GetEntry(ctx context.Context, aaguid uuid.UUID) (entry *metadata.Entry, err error) {
if p.mds == nil {
return nil, metadata.ErrNotInitialized
}

var ok bool

if entry, ok = p.mds[aaguid]; ok {
return entry, nil
}

return nil, nil
}

func (p *Provider) GetValidateEntry(ctx context.Context) (require bool) {
return p.entry
}

func (p *Provider) GetValidateEntryPermitZeroAAGUID(ctx context.Context) (skip bool) {
return p.entryPermitZero
}

func (p *Provider) GetValidateTrustAnchor(ctx context.Context) (validate bool) {
return p.anchors
}

func (p *Provider) GetValidateStatus(ctx context.Context) (validate bool) {
return p.status
}
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Consider removing or renaming unused ctx parameters.

- func (p *Provider) GetEntry(ctx context.Context, aaguid uuid.UUID) (entry *metadata.Entry, err error) {
+ func (p *Provider) GetEntry(_ context.Context, aaguid uuid.UUID) (entry *metadata.Entry, err error) {

Repeat similar changes for other methods with unused ctx parameters.

Committable suggestion was skipped due to low confidence.

Tools
golangci-lint

[warning] 43-43: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 57-57: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 61-61: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 65-65: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 69-69: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)

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Actionable comments posted: 5

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 80e612f and 6ec129b.

Files selected for processing (9)
  • metadata/decode.go (1 hunks)
  • metadata/doc.go (1 hunks)
  • metadata/metadata.go (2 hunks)
  • metadata/providers/cached/doc.go (1 hunks)
  • metadata/providers/cached/util.go (1 hunks)
  • metadata/providers/memory/doc.go (1 hunks)
  • metadata/providers/memory/provider.go (1 hunks)
  • protocol/attestation_tpm_test.go (12 hunks)
  • protocol/base64_test.go (2 hunks)
Files not summarized due to errors (1)
  • metadata/metadata.go: Error: Message exceeds token limit
Additional context used
golangci-lint
metadata/providers/memory/provider.go

[warning] 44-44: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 58-58: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 62-62: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 66-66: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 70-70: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 74-74: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)

metadata/decode.go

102-102: Comment should end in a period (godot)


104-104: Comment should end in a period (godot)

metadata/metadata.go

125-125: Comment should end in a period (godot)


271-271: Comment should end in a period (godot)


282-282: Comment should end in a period (godot)


288-288: Comment should end in a period (godot)


291-291: Comment should end in a period (godot)


315-315: Comment should end in a period (godot)

Additional comments not posted (22)
metadata/doc.go (1)

1-2: The package comment clearly defines the scope and functionality of the metadata package.

metadata/providers/memory/doc.go (1)

1-4: The package comment provides a detailed explanation of the memory package's purpose and its typical use cases, which enhances understanding for developers.

metadata/providers/cached/doc.go (1)

1-8: The package comment is comprehensive, detailing the functionality and operational characteristics of the cached package. It might be beneficial to clarify what "no automatic update functionality" entails to avoid potential confusion.

protocol/base64_test.go (1)

10-11: The use of assert and require from the testify library enhances the readability and robustness of the tests. Consider adding more edge cases to ensure comprehensive coverage.

Also applies to: 46-49

metadata/providers/cached/util.go (3)

11-24: The function doTruncateCopyAndSeekStart is well-implemented with proper error handling for file operations.


27-40: The function doOpenOrCreate correctly handles file opening and creation with appropriate error checks.


43-50: The function defaultNew correctly initializes a new memory provider with comprehensive configuration options.

metadata/providers/memory/provider.go (3)

12-28: The function New correctly initializes a memory provider with default settings and applies configuration options robustly.


44-55: The function GetEntry correctly handles the retrieval of entries with appropriate initialization checks and error handling.

Tools
golangci-lint

[warning] 44-44: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


74-79: The function ValidateStatusReports correctly performs status report validation based on the provider's configuration.

Tools
golangci-lint

[warning] 74-74: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)

metadata/decode.go (3)

18-36: The function NewDecoder is well-implemented, providing a flexible initialization of the decoder with sensible defaults and error handling.


48-80: The function Parse effectively handles the parsing of metadata with comprehensive error handling and conditional error reporting based on configuration.


95-166: The function DecodeBytes is robust, handling JWT parsing, certificate chain validation, and final decoding using a mapstructure decoder.

Tools
golangci-lint

102-102: Comment should end in a period (godot)


104-104: Comment should end in a period (godot)

protocol/attestation_tpm_test.go (9)

19-19: Added import for require package.

This import is necessary for the new assertions using require which provide a more robust testing mechanism by failing fast if conditions are not met.


31-32: Refactored to use require.NoError for error handling in tests.

This change enhances the test by ensuring it fails immediately if an error is encountered, which is a best practice in unit testing for clear and direct error handling.


133-133: Consider using require.Contains for a more robust assertion.

This suggestion has been previously made and is still valid. Implementing it would enhance the test's reliability by ensuring that the test fails immediately if the condition is not met.


369-369: Consider using require.Contains for a more robust assertion.

This suggestion has been previously made and is still valid. Implementing it would enhance the test's reliability by ensuring that the test fails immediately if the condition is not met.


88-88: Refactored negative test cases for TPM attestation.

The refactoring introduces more specific error messages and conditions, improving the clarity and maintainability of the tests. Each test case now clearly defines the expected error, making the tests more readable and easier to understand.

Also applies to: 93-93, 98-98, 103-103, 108-108, 113-113, 118-118, 128-128


175-175: Introduced defaultAttStatement for reusability in tests.

This change centralizes the default attestation statement, reducing duplication and improving maintainability by allowing changes to be made in one place that affect multiple tests.


359-359: Enhanced test setup for TestTPMAttestationVerificationFailPubArea by programmatically setting stmtPubArea.

This setup is crucial for testing the handling of public area mismatches in TPM attestation. It ensures that the tests are dynamic and can handle various scenarios by manipulating the public area data directly.

Also applies to: 369-369


399-399: Enhanced test setup for TestTPMAttestationVerificationFailCertInfo by programmatically setting stmtCertInfo.

This setup is essential for testing the handling of certificate information mismatches in TPM attestation. It allows the tests to dynamically adjust the certificate information, testing the robustness of the attestation verification process.

Also applies to: 458-458


514-514: Enhanced test setup for TestTPMAttestationVerificationFailX5c by programmatically setting stmtX5C and stmtCertInfo.

This setup is critical for testing the handling of X.509 certificate chain issues in TPM attestation. It allows the tests to dynamically adjust the X.509 certificate chain and certificate information, ensuring that the attestation verification process is thoroughly tested against various error conditions.

Also applies to: 547-547, 574-575

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Actionable comments posted: 47

Outside diff range and nitpick comments (18)
protocol/attestation_apple.go (2)

34-34: Remove leading whitespace at the start of the block.

Tools
golangci-lint

34-34: block should not start with a whitespace (wsl)


Line range hint 56-56: Ensure the result of append is assigned back to the original slice to maintain state.

- nonceToHash := append(att.RawAuthData, clientDataHash...)
+ nonceToHash = append(att.RawAuthData, clientDataHash...)
Tools
golangci-lint

34-34: block should not start with a whitespace (wsl)

protocol/attestation_u2f.go (1)

Line range hint 27-27: Check error handling for webauthncbor.Unmarshal.

- webauthncbor.Unmarshal(att.AuthData.AttData.CredentialPublicKey, &key)
+ if err := webauthncbor.Unmarshal(att.AuthData.AttData.CredentialPublicKey, &key); err != nil {
+   return "", nil, err
+ }
protocol/attestation_safetynet.go (1)

Line range hint 88-88: Ensure proper spacing after return statements for better readability.

- return "", nil, ErrInvalidAttestation.WithDetails("Invalid nonce for in SafetyNet response")
+ 
+ return "", nil, ErrInvalidAttestation.WithDetails("Invalid nonce for in SafetyNet response")
webauthn/types.go (1)

Line range hint 92-92: Ensure comments end with a period for consistency.

protocol/attestation_packed.go (1)

Line range hint 75-75: Reduce cyclomatic complexity in handleBasicAttestation.

The function handleBasicAttestation is quite complex. Consider breaking it down into smaller, more manageable functions, each handling a specific part of the attestation process. This will improve readability and maintainability.

Tools
golangci-lint

37-37: block should not start with a whitespace (wsl)

webauthn/registration.go (1)

Line range hint 217-234: Enhance error handling around metadata provider integration.

The integration with the metadata provider in CreateCredential is crucial for the security and correctness of the registration process. Consider adding more detailed error handling and logging around this integration to ensure that any issues with metadata retrieval or validation are clearly reported and handled.

protocol/credential.go (2)

Line range hint 136-192: Ensure proper error handling and metadata usage in credential verification.

The function Verify now includes a metadata.Provider parameter to handle metadata during attestation verification. Ensure that all calls to this function across the codebase are updated to include this parameter. Additionally, consider implementing error handling for the metadata provider to ensure robustness.


Line range hint 71-71: Handle the error returned by io.Copy to ensure proper cleanup.

- defer io.Copy(io.Discard, response.Body)
+ defer func() {
+     if _, err := io.Copy(io.Discard, response.Body); err != nil {
+         log.Printf("Error discarding response body: %v", err)
+     }
+ }()

This change ensures that any errors during the discarding of the response body are logged, improving the robustness of the error handling in the application.

protocol/attestation_androidkey.go (1)

Line range hint 198-201: Remove unused fields in rootOfTrust.

- verifiedBootKey   []byte
- deviceLocked      bool
- verifiedBootState verifiedBootState
- verifiedBootHash  []byte

These fields are marked as unused by static analysis. If they are not intended for future use, consider removing them to clean up the codebase.

Tools
golangci-lint

32-32: cyclomatic complexity 21 of func verifyAndroidKeyFormat is high (> 15) (gocyclo)


50-50: Comment should end in a period (godot)


53-53: Comment should end in a period (godot)

protocol/attestation.go (1)

Line range hint 23-23: Ensure comments end with a period for consistency.

- // comment
+ // comment.

Also applies to: 68-68, 71-71, 152-152

protocol/attestation_tpm.go (1)

Line range hint 101-101: Address issues with code style and structure.

Consider the following improvements:

  • Ensure append results are assigned back to the slice.
  • Convert single-case switches to if statements.
  • Avoid cuddling return statements with blocks having more than two lines.
  • Ensure proper spacing and structure around control statements.

Also applies to: 303-303, 332-332, 307-307, 323-323, 326-326, 310-310

Tools
golangci-lint

22-22: cyclomatic complexity 47 of func verifyTPMFormat is high (> 15) (gocyclo)

protocol/webauthncose/webauthncose.go (3)

Line range hint 185-185: Check error return values from webauthncbor.Unmarshal.

Ignoring error return values can lead to runtime panics if the unmarshalling fails. Always check and handle errors appropriately.

Also applies to: 191-191, 198-198, 205-205


Line range hint 216-216: Update deprecated function elliptic.Unmarshal.

The elliptic.Unmarshal function has been deprecated. Consider using the crypto/ecdh package for ECDH operations.


Line range hint 30-30: Remove unused field _struct.

The _struct field is unused and should be removed to clean up the code.

webauthn/login.go (1)

Line range hint 234-234: Reduce the cyclomatic complexity of validateLogin.

The validateLogin function has a high cyclomatic complexity, which can make the code hard to read and maintain. Consider refactoring this function to simplify it, possibly by breaking it into smaller, more manageable functions.

Consider breaking down the validateLogin function into smaller functions, each handling a specific part of the validation process. This can improve readability and maintainability.

metadata/types.go (1)

14-37: Ensure proper documentation for the Provider interface and its methods.

The Provider interface and its methods are well-defined but could benefit from more detailed documentation, especially explaining the context and usage of each method. This will enhance maintainability and clarity for other developers.

protocol/attestation_tpm_test.go (1)

Line range hint 469-469: The variable x5cTemplate is declared but not used in any test.

Consider removing the unused variable to clean up the codebase.

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 6ec129b and d7ef933.

Files selected for processing (42)
  • README.md (1 hunks)
  • metadata/const.go (1 hunks)
  • metadata/decode.go (1 hunks)
  • metadata/doc.go (1 hunks)
  • metadata/metadata.go (2 hunks)
  • metadata/metadata_test.go (4 hunks)
  • metadata/passkey_authenticator.go (1 hunks)
  • metadata/providers/cached/doc.go (1 hunks)
  • metadata/providers/cached/options.go (1 hunks)
  • metadata/providers/cached/provider.go (1 hunks)
  • metadata/providers/cached/util.go (1 hunks)
  • metadata/providers/memory/doc.go (1 hunks)
  • metadata/providers/memory/options.go (1 hunks)
  • metadata/providers/memory/provider.go (1 hunks)
  • metadata/status.go (1 hunks)
  • metadata/types.go (1 hunks)
  • protocol/attestation.go (4 hunks)
  • protocol/attestation_androidkey.go (1 hunks)
  • protocol/attestation_androidkey_test.go (1 hunks)
  • protocol/attestation_apple.go (1 hunks)
  • protocol/attestation_apple_test.go (1 hunks)
  • protocol/attestation_packed.go (1 hunks)
  • protocol/attestation_packed_test.go (1 hunks)
  • protocol/attestation_safetynet.go (6 hunks)
  • protocol/attestation_safetynet_test.go (1 hunks)
  • protocol/attestation_test.go (1 hunks)
  • protocol/attestation_tpm.go (2 hunks)
  • protocol/attestation_tpm_test.go (12 hunks)
  • protocol/attestation_u2f.go (2 hunks)
  • protocol/attestation_u2f_test.go (1 hunks)
  • protocol/base64_test.go (2 hunks)
  • protocol/client_test.go (3 hunks)
  • protocol/const.go (1 hunks)
  • protocol/credential.go (3 hunks)
  • protocol/credential_test.go (1 hunks)
  • protocol/metadata.go (1 hunks)
  • protocol/webauthncose/webauthncose.go (1 hunks)
  • webauthn/credential.go (5 hunks)
  • webauthn/credential_test.go (2 hunks)
  • webauthn/login.go (7 hunks)
  • webauthn/registration.go (3 hunks)
  • webauthn/types.go (4 hunks)
Files not summarized due to errors (1)
  • metadata/metadata.go: Error: Message exceeds token limit
Additional context used
golangci-lint
metadata/status.go

11-11: cyclomatic complexity 18 of func ValidateStatusReports is high (> 15) (gocyclo)

metadata/providers/memory/provider.go

[warning] 44-44: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 58-58: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 62-62: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 66-66: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 70-70: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)


[warning] 74-74: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)

protocol/attestation_apple.go

56-56: appendAssign: append result not assigned to the same slice (gocritic)


34-34: block should not start with a whitespace (wsl)

protocol/client_test.go

10-10: setupCollectedClientData - origin always receives "http://example.com" (unparam)

protocol/attestation_u2f.go

27-27: Error return value of webauthncbor.Unmarshal is not checked (errcheck)

protocol/attestation_safetynet.go

44-44: cyclomatic complexity 17 of func verifySafetyNetFormat is high (> 15) (gocyclo)


88-88: return statements should not be cuddled if block has more than two lines (wsl)

webauthn/types.go

92-92: Comment should end in a period (godot)

protocol/attestation_packed.go

179-179: Error return value of asn1.Unmarshal is not checked (errcheck)


99-99: appendAssign: append result not assigned to the same slice (gocritic)


211-211: appendAssign: append result not assigned to the same slice (gocritic)


75-75: cyclomatic complexity 20 of func handleBasicAttestation is high (> 15) (gocyclo)


206-206: block should not start with a whitespace (wsl)


37-37: block should not start with a whitespace (wsl)

protocol/attestation_safetynet_test.go

58-58: var safetyNetTestRequest is unused (unused)

protocol/credential.go

71-71: Error return value of io.Copy is not checked (errcheck)

protocol/attestation_androidkey.go

64-64: appendAssign: append result not assigned to the same slice (gocritic)


32-32: cyclomatic complexity 21 of func verifyAndroidKeyFormat is high (> 15) (gocyclo)


50-50: Comment should end in a period (godot)


53-53: Comment should end in a period (godot)


198-198: field verifiedBootKey is unused (unused)


199-199: field deviceLocked is unused (unused)


200-200: field verifiedBootState is unused (unused)


201-201: field verifiedBootHash is unused (unused)

protocol/attestation.go

140-140: cyclomatic complexity 23 of func (*AttestationObject).VerifyAttestation is high (> 15) (gocyclo)


23-23: Comment should end in a period (godot)


68-68: Comment should end in a period (godot)


71-71: Comment should end in a period (godot)


152-152: Comment should end in a period (godot)

protocol/attestation_tpm.go

101-101: appendAssign: append result not assigned to the same slice (gocritic)


303-303: singleCaseSwitch: should rewrite switch statement to if statement (gocritic)


22-22: cyclomatic complexity 47 of func verifyTPMFormat is high (> 15) (gocyclo)


332-332: return statements should not be cuddled if block has more than two lines (wsl)


307-307: only one cuddle assignment allowed before if statement (wsl)


323-323: if statements should only be cuddled with assignments (wsl)


326-326: if statements should only be cuddled with assignments (wsl)


310-310: only one cuddle assignment allowed before range statement (wsl)

protocol/webauthncose/webauthncose.go

185-185: Error return value of webauthncbor.Unmarshal is not checked (errcheck)


191-191: Error return value of webauthncbor.Unmarshal is not checked (errcheck)


198-198: Error return value of webauthncbor.Unmarshal is not checked (errcheck)


205-205: Error return value of webauthncbor.Unmarshal is not checked (errcheck)


30-30: field _struct is unused (unused)


216-216: SA1019: elliptic.Unmarshal has been deprecated since Go 1.21: for ECDH, use the crypto/ecdh package. This function accepts an encoding equivalent to that of the NewPublicKey methods in crypto/ecdh. (staticcheck)

webauthn/login.go

234-234: cyclomatic complexity 22 of func (*WebAuthn).validateLogin is high (> 15) (gocyclo)


205-205: compatability is a misspelling of compatibility (misspell)

metadata/types.go

[high] 94-94: G101: Potential hardcoded credentials (gosec)


[warning] 164-164: var-naming: don't use ALL_CAPS in Go names; use CamelCase (revive)

protocol/attestation_tpm_test.go

469-469: var x5cTemplate is unused (unused)

metadata/metadata.go

[warning] 787-787: var-naming: struct field MaxCredentialIdLength should be MaxCredentialIDLength (revive)


[warning] 837-837: var-naming: struct field MaxCredentialIdLength should be MaxCredentialIDLength (revive)


906-906: S1001: should use copy(to, from[:]) instead of a loop (gosimple)

LanguageTool
README.md

[grammar] ~25-~25: It seems that a pronoun is missing. (IF_VB)
Context: ...lly 1 patch release of go,
for example if go 1.21.0 is released, we will likely s...


[uncategorized] ~28-~28: Use a comma before ‘and’ if it connects two independent clauses (unless they are closely connected and short). (COMMA_COMPOUND_SENTENCE)
Context: ...ement of security in a dependent project and we aim to avoid backwards
compatibilit...


[uncategorized] ~29-~29: Possible missing comma found. (AI_HYDRA_LEO_MISSING_COMMA)
Context: ...specially important in a language like
go where their backwards compatibility whe...


[uncategorized] ~39-~39: Use a comma before ‘and’ if it connects two independent clauses (unless they are closely connected and short). (COMMA_COMPOUND_SENTENCE)
Context: ...nately being used in dependent libraries and we'd opt for ensuring we can easily obt...


[uncategorized] ~40-~40: Possible missing comma found. (AI_HYDRA_LEO_MISSING_COMMA)
Context: ... rather than backwards compatibility. A such we have lifted the version requirement ...


[typographical] ~45-~45: Consider adding a comma. (IF_THERE_COMMA)
Context: ... 0, as per Semantic Versioning 2.0 rules there may be breaking changes without warning...


[style] ~45-~45: ‘without warning’ might be wordy. Consider a shorter alternative. (EN_WORDINESS_PREMIUM_WITHOUT_WARNING)
Context: ...2.0 rules there may be breaking changes without warning.
While we strive to avoid such change...


[style] ~52-~52: As a shorter alternative for ‘able to’, consider using “can”. (BE_ABLE_TO)
Context: ...values.

Make sure your user model is able to handle the interface functions laid out...


[uncategorized] ~58-~58: It appears that in this idiom a possessive apostrophe is missing. (FOR_NOUN_SAKE)
Context: ...ow some basic use cases of the library. For consistency sake the following variables are used
to de...


[uncategorized] ~253-~253: A comma may be missing after the conjunctive/linking adverb ‘However’. (SENT_START_CONJUNCTIVE_LINKING_ADVERB_COMMA)
Context: ...y by default does not enforce timeouts. However the default timeouts sent to the browse...


[typographical] ~254-~254: Consider adding a comma before the interrupter. (HOWEVER_COMMA)
Context: ...ou can override both of these behaviours however.

package example

import (
...

---

[style] ~319-~319: Three successive sentences begin with the same word. Consider rewording the sentence or use a thesaurus to find a synonym. (ENGLISH_WORD_REPEAT_BEGINNING_RULE)
Context: ...e values are not restored the [webauthn.Credential] may fail
validation in this scenario....

---

[style] ~324-~324: ‘exactly the samemight be wordy. Consider a shorter alternative. (EN_WORDINESS_PREMIUM_EXACTLY_THE_SAME)
Context: ...as the [webauthn.Credential] struct has exactly the same values when restored the [Credential Ve...

---

[misspelling] ~326-~326: Useaninstead ofaif the following word starts with a vowel sound, e.g. ‘an article’, ‘an hour’. (EN_A_VS_AN)
Context: ... registration,
on every login, or with a audit schedule.

In addition to using...

---

[uncategorized] ~328-~328: Possible missing comma found. (AI_HYDRA_LEO_MISSING_COMMA)
Context: ...dition to using the [Credential Verify] function the 
[webauthn.Config](https://pkg.go....

---

[typographical] ~332-~332: It appears that a comma is missing. (DURING_THAT_TIME_COMMA)
Context: ...registrations automatically.

At this time no tooling exists to verify the credent...

---

[uncategorized] ~339-~339: Possible missing comma found. (AI_HYDRA_LEO_MISSING_COMMA)
Context: ...
implementation. Without their amazing work this library could not exist.


[git...

</blockquote></details>

</blockquote></details>
<details>
<summary>Markdownlint</summary><blockquote>

<details>
<summary>README.md</summary><blockquote>

7-7: Expected: 0 or 2; Actual: 1 (MD009, no-trailing-spaces)
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---

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Multiple consecutive blank lines

---

345-345: null (MD047, single-trailing-newline)
Files should end with a single newline character

</blockquote></details>

</blockquote></details>

</details>
<details>
<summary>Additional comments not posted (42)</summary><blockquote>

<details>
<summary>metadata/doc.go (1)</summary><blockquote>

`1-2`: The package comment is clear and succinct, effectively explaining the purpose of the package.

</blockquote></details>
<details>
<summary>protocol/const.go (1)</summary><blockquote>

`3-11`: The introduction of constants for attestation statement keys is a good practice. It enhances code readability and maintainability by avoiding hard-coded strings.

</blockquote></details>
<details>
<summary>metadata/providers/memory/doc.go (1)</summary><blockquote>

`1-4`: The package comment provides a comprehensive overview of the memory provider's role and its intended use case. It clearly outlines the limitations and the scenarios in which it might be appropriate to use this provider.

</blockquote></details>
<details>
<summary>metadata/providers/cached/doc.go (1)</summary><blockquote>

`1-8`: The package comment effectively communicates the functionality and recommended use of the cached provider. It transparently mentions the current limitations regarding automatic updates, which is crucial for users to understand.

</blockquote></details>
<details>
<summary>metadata/passkey_authenticator.go (1)</summary><blockquote>

`3-16`: The type definitions for `PasskeyAuthenticator` and `PassKeyAuthenticatorAAGUID` are clear and well-documented. Good use of JSON tags for proper unmarshalling.

</blockquote></details>
<details>
<summary>protocol/base64_test.go (1)</summary><blockquote>

Line range hint `10-49`: The test `TestBase64UnmarshalJSON` is well-structured and effectively tests the unmarshalling of base64 encoded data. Good use of assertions to validate the expected outcomes.

</blockquote></details>
<details>
<summary>metadata/providers/cached/util.go (3)</summary><blockquote>

`11-24`: The function `doTruncateCopyAndSeekStart` is well-implemented with proper error handling for file operations.

---

`27-40`: The function `doOpenOrCreate` correctly handles both opening an existing file and creating a new one if it does not exist.

---

`43-51`: The function `defaultNew` effectively utilizes the `memory` package to configure and create a new metadata provider.

</blockquote></details>
<details>
<summary>metadata/providers/memory/provider.go (6)</summary><blockquote>

`12-28`: The function `New` is well-implemented, correctly applying options and handling errors during the provider's initialization.

---

`44-56`: The function `GetEntry` correctly handles metadata retrieval with proper initialization checks.

<details>
<summary>Tools</summary>

<details>
<summary>golangci-lint</summary><blockquote>

[warning] 44-44: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)

</blockquote></details>

</details>

---

`58-60`: The function `GetValidateEntry` correctly provides the configuration for entry validation.

<details>
<summary>Tools</summary>

<details>
<summary>golangci-lint</summary><blockquote>

[warning] 58-58: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)

</blockquote></details>

</details>

---

`62-64`: The function `GetValidateEntryPermitZeroAAGUID` correctly provides the configuration for permitting zero AAGUID.

<details>
<summary>Tools</summary>

<details>
<summary>golangci-lint</summary><blockquote>

[warning] 62-62: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)

</blockquote></details>

</details>

---

`66-68`: The function `GetValidateTrustAnchor` correctly provides the configuration for trust anchor validation.

<details>
<summary>Tools</summary>

<details>
<summary>golangci-lint</summary><blockquote>

[warning] 66-66: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)

</blockquote></details>

</details>

---

`70-72`: The function `GetValidateStatus` correctly provides the configuration for status validation.

<details>
<summary>Tools</summary>

<details>
<summary>golangci-lint</summary><blockquote>

[warning] 70-70: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _ (revive)

</blockquote></details>

</details>

</blockquote></details>
<details>
<summary>metadata/providers/cached/options.go (8)</summary><blockquote>

`16-23`: The function `WithPath` correctly sets the path name for the cached file, adhering to the required configuration.

---

`25-32`: The function `WithUpdate` correctly handles enabling or disabling updates based on the provided configuration.

---

`34-41`: The function `WithForceUpdate` correctly handles the configuration to force an update on creation.

---

`43-50`: The function `WithNew` correctly allows customization of the provider creation process.

---

`52-60`: The function `WithDecoder` correctly sets the decoder for the provider, allowing configuration to skip entries with parsing errors.

---

`62-73`: The function `WithMetadataURL` correctly handles URL configuration and validation, ensuring the URL is correctly parsed before use.

---

`76-83`: The function `WithClient` correctly configures the HTTP client used to retrieve the metadata blob.

---

`85-92`: The function `WithClock` correctly allows injection of a clock to check the up-to-date status of a blob.

</blockquote></details>
<details>
<summary>metadata/providers/memory/options.go (5)</summary><blockquote>

`21-30`: This function correctly configures entry validation settings.

---

`32-40`: This function correctly handles the option to bypass AAGUID validation for zero'd AAGUIDs.

---

`42-50`: This function correctly configures trust anchor validation settings.

---

`52-60`: This function correctly configures status validation settings.

---

`72-80`: This function correctly provides a list of desired statuses for validation purposes.

</blockquote></details>
<details>
<summary>protocol/attestation_u2f_test.go (1)</summary><blockquote>

`40-40`: The test function correctly handles U2F attestation format verification using a nil metadata provider.

</blockquote></details>
<details>
<summary>metadata/providers/cached/provider.go (1)</summary><blockquote>

`12-48`: The `New` function correctly initializes a cached metadata provider with comprehensive error handling and option application.

</blockquote></details>
<details>
<summary>protocol/attestation_apple_test.go (1)</summary><blockquote>

`40-40`: The test function correctly handles Apple attestation format verification using a nil metadata provider.

</blockquote></details>
<details>
<summary>metadata/const.go (1)</summary><blockquote>

`23-34`: Ensure that `MetadataError` is used consistently across the project.

<details>
<summary>Verification successful</summary>

Let's verify the definition of `MetadataError` in `metadata/types.go` and its usage in `metadata/status.go`.

---

The `MetadataError` type is correctly defined in `metadata/types.go` and is used consistently in `metadata/status.go` and `metadata/const.go`. The definition includes fields for `Type`, `Details`, and `DevInfo`, which align with the usage in the provided code snippets.

- `metadata/types.go`: Defines `MetadataError`.
- `metadata/status.go`: Uses `MetadataError`.
- `metadata/const.go`: Uses `MetadataError`.

No issues were found with the usage of `MetadataError`.



</details>


<details>
<summary>Scripts executed</summary>

The following scripts were executed for the analysis:



---

Script:
```shell
#!/bin/bash
# Description: Verify that MetadataError is used consistently across the project.

# Test: Search for the usage of MetadataError. Expect: Consistent usage across all files.
rg "MetadataError"

Length of output: 480



Script:

#!/bin/bash
# Description: Verify the definition and usage of MetadataError.

# Test: Display the definition of MetadataError in metadata/types.go.
rg "type MetadataError struct" -A 10 metadata/types.go

# Test: Display the usage of MetadataError in metadata/status.go.
rg "MetadataError" metadata/status.go

Length of output: 428

webauthn/credential.go (1)

101-140: The refactoring of the Verify method improves readability and error handling. Ensure that the new methods parseAttestation and verifyAttestation are well-documented.

protocol/attestation_test.go (3)

9-9: The updates to the TestAttestationVerify function look good and follow best practices for error handling in tests.

Also applies to: 17-17, 21-21, 28-28, 32-32, 34-34


41-41: The attestationTestUnpackResponse function is well-implemented with proper error handling.

Also applies to: 42-42, 48-48


62-62: The TestPackedAttestationVerification function correctly implements the test for packed attestation format verification.

Also applies to: 63-63

protocol/attestation_safetynet_test.go (1)

41-41: Update the test to include a mock metadata provider as per the changes in protocol/attestation.go.

- got, got1, err := verifySafetyNetFormat(tt.args.att, tt.args.clientDataHash, nil)
+ // Assuming `mockProvider` is a mocked implementation of `metadata.Provider`
+ got, got1, err := verifySafetyNetFormat(tt.args.att, tt.args.clientDataHash, mockProvider)

Likely invalid or redundant comment.

protocol/credential_test.go (1)

Line range hint 1-243: The TestParseCredentialCreationResponse function is well-structured and covers a variety of scenarios to ensure robust parsing of credential creation responses. Good job maintaining clarity and comprehensiveness in your test cases.

protocol/attestation_tpm_test.go (4)

19-19: Added require package for assertions.

This change supports stronger assertions in tests, which is a good practice for ensuring test reliability.


31-32: Use of require.NoError for immediate test failure on error.

This is an improvement over assert as it stops the test immediately if an error is encountered, which is crucial for tests where subsequent assertions depend on the absence of errors.


88-88: Refactored test cases to use constants for attestation statement fields.

Using constants improves code readability and maintainability by reducing the chance of typos and making it easier to make changes in the future.

Also applies to: 93-93, 98-98, 103-103, 108-108, 113-113, 118-118, 128-128


369-369: Similar to the previous comment, consider using require.Contains for a more robust assertion.

- assert.Contains(t, err.Error(), tt.wantErr)
+ require.Contains(t, err.Error(), tt.wantErr)

This ensures consistency in error handling across tests and improves the robustness of the test suite.

Likely invalid or redundant comment.

webauthn/registration.go Show resolved Hide resolved
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Actionable comments posted: 2

Outside diff range and nitpick comments (2)
metadata/decode.go (2)

18-36: Enhance error messages for better debugging.

The error messages in the NewDecoder function could be more descriptive to provide better context for debugging.

- return nil, err
+ return nil, fmt.Errorf("failed to apply decoder option: %w", err)

48-81: Improve error handling by specifying which entries failed to parse.

The error message in the Parse function could provide more specific information about which entries failed to parse.

- return metadata, fmt.Errorf("error occurred parsing metadata: %d entries had errors during parsing", n)
+ return metadata, fmt.Errorf("error occurred parsing metadata: %d entries had errors during parsing, first error: %v", n, metadata.Unparsed[0].Error)
Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between d7ef933 and b2d190d.

Files selected for processing (1)
  • metadata/decode.go (1 hunks)
Additional context used
golangci-lint
metadata/decode.go

102-102: Comment should end in a period

(godot)


104-104: Comment should end in a period

(godot)

Additional comments not posted (4)
metadata/decode.go (4)

83-93: LGTM!

The Decode function appears to be correct.


173-181: LGTM!

The WithIgnoreEntryParsingErrors function appears to be correct.


183-190: LGTM!

The WithRootCertificate function appears to be correct.


262-276: LGTM!

The mdsParseX509Certificate function appears to be correct.

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Actionable comments posted: 29

Outside diff range and nitpick comments (4)
metadata/providers/memory/provider.go (1)

38-47: Add comments for each field in the Provider struct.

Adding comments will improve readability and maintainability.

type Provider struct {
    mds             map[uuid.UUID]*metadata.Entry // Metadata entries
    desired         []metadata.AuthenticatorStatus // Desired authenticator statuses
    undesired       []metadata.AuthenticatorStatus // Undesired authenticator statuses
    entry           bool // Validate entry flag
    entryPermitZero bool // Permit zero AAGUID flag
    anchors         bool // Validate trust anchors flag
    status          bool // Validate status flag
    attestation     bool // Validate attestation types flag
}
metadata/metadata.go (1)

125-125: Add periods to comments for consistency.

Several comments in the code are missing periods at the end. This is a minor style issue but fixing it helps maintain consistency in documentation.

// Comment should end in a period.

Also applies to: 271-271, 282-282, 288-288, 291-291, 315-315

Tools
golangci-lint

125-125: Comment should end in a period

(godot)

protocol/attestation.go (2)

Line range hint 138-263:
Refactor to reduce cyclomatic complexity.

The VerifyAttestation function has high cyclomatic complexity. Consider breaking it down into smaller, more focused functions to improve readability and maintainability.

- func (a *AttestationObject) VerifyAttestation(clientDataHash []byte, mds metadata.Provider) (err error) {
- // ... (complex logic)
- }
+ func (a *AttestationObject) VerifyAttestation(clientDataHash []byte, mds metadata.Provider) (err error) {
+     if AttestationFormat(a.Format) == AttestationFormatNone {
+         return verifyNoneAttestation(a)
+     }
+     return verifyFormatAttestation(a, clientDataHash, mds)
+ }

+ func verifyNoneAttestation(a *AttestationObject) error {
+     if len(a.AttStatement) != 0 {
+         return ErrAttestationFormat.WithInfo("Attestation format none with attestation present")
+     }
+     return nil
+ }

+ func verifyFormatAttestation(a *AttestationObject, clientDataHash []byte, mds metadata.Provider) error {
+     formatHandler, valid := attestationRegistry[AttestationFormat(a.Format)]
+     if !valid {
+         return ErrAttestationFormat.WithInfo(fmt.Sprintf("Attestation format %s is unsupported", a.Format))
+     }
+     attestationType, x5cs, err := formatHandler(*a, clientDataHash, mds)
+     if err != nil {
+         return err.(*Error).WithInfo(attestationType)
+     }
+     // ... (rest of the logic)
+ }

Line range hint 138-263:
Refactor to reduce cyclomatic complexity.

The VerifyAttestation function has high cyclomatic complexity. Consider breaking it down into smaller, more focused functions to improve readability and maintainability.

- func (a *AttestationObject) VerifyAttestation(clientDataHash []byte, mds metadata.Provider) (err error) {
- // ... (complex logic)
- }
+ func (a *AttestationObject) VerifyAttestation(clientDataHash []byte, mds metadata.Provider) (err error) {
+     if AttestationFormat(a.Format) == AttestationFormatNone {
+         return verifyNoneAttestation(a)
+     }
+     return verifyFormatAttestation(a, clientDataHash, mds)
+ }

+ func verifyNoneAttestation(a *AttestationObject) error {
+     if len(a.AttStatement) != 0 {
+         return ErrAttestationFormat.WithInfo("Attestation format none with attestation present")
+     }
+     return nil
+ }

+ func verifyFormatAttestation(a *AttestationObject, clientDataHash []byte, mds metadata.Provider) error {
+     formatHandler, valid := attestationRegistry[AttestationFormat(a.Format)]
+     if !valid {
+         return ErrAttestationFormat.WithInfo(fmt.Sprintf("Attestation format %s is unsupported", a.Format))
+     }
+     attestationType, x5cs, err := formatHandler(*a, clientDataHash, mds)
+     if err != nil {
+         return err.(*Error).WithInfo(attestationType)
+     }
+     // ... (rest of the logic)
+ }
Review details

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Review profile: CHILL

Commits

Files that changed from the base of the PR and between b2d190d and 42c91cd.

Files selected for processing (7)
  • metadata/decode.go (1 hunks)
  • metadata/metadata.go (2 hunks)
  • metadata/metadata_test.go (4 hunks)
  • metadata/providers/memory/options.go (1 hunks)
  • metadata/providers/memory/provider.go (1 hunks)
  • metadata/types.go (1 hunks)
  • protocol/attestation.go (4 hunks)
Files not summarized due to errors (1)
  • metadata/metadata.go: Error: Message exceeds token limit
Additional context used
golangci-lint
metadata/providers/memory/provider.go

[warning] 49-49: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _

(revive)


[warning] 63-63: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _

(revive)


[warning] 67-67: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _

(revive)


[warning] 71-71: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _

(revive)


[warning] 75-75: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _

(revive)


[warning] 79-79: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _

(revive)


[warning] 83-83: unused-parameter: parameter 'ctx' seems to be unused, consider removing or renaming it as _

(revive)

metadata/decode.go

281-281: cyclomatic complexity 18 of func hookDecodeUnsignedInt32 is high (> 15)

(gocyclo)


104-104: Comment should end in a period

(godot)


106-106: Comment should end in a period

(godot)

protocol/attestation.go

140-140: cyclomatic complexity 27 of func (*AttestationObject).VerifyAttestation is high (> 15)

(gocyclo)

metadata/types.go

[high] 98-98: G101: Potential hardcoded credentials

(gosec)

metadata/metadata_test.go

43-43: SA4003: no value of type uint32 is greater than math.MaxUint32

(staticcheck)

metadata/metadata.go

125-125: Comment should end in a period

(godot)


271-271: Comment should end in a period

(godot)


282-282: Comment should end in a period

(godot)


288-288: Comment should end in a period

(godot)


291-291: Comment should end in a period

(godot)


315-315: Comment should end in a period

(godot)


435-435: Comment should end in a period

(godot)


906-906: S1001: should use copy(to, from[:]) instead of a loop

(gosimple)

Gitleaks
metadata/types.go

114-114: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)


118-118: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)


122-122: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)


213-213: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)


237-237: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)

Additional comments not posted (23)
metadata/providers/memory/options.go (6)

21-30: LGTM!

The function is straightforward and does not have any issues.


32-40: LGTM!

The function is straightforward and does not have any issues.


42-50: LGTM!

The function is straightforward and does not have any issues.


52-60: LGTM!

The function is straightforward and does not have any issues.


72-79: LGTM!

The function is straightforward and does not have any issues.


82-90: LGTM!

The function is straightforward and does not have any issues.

metadata/types.go (5)

14-41: Add documentation for exported type Provider.

The interface Provider is exported but lacks a comment explaining its purpose and usage. This is important for maintainability and understanding by new developers.

+// Provider defines the interface for metadata providers, which handle the retrieval and validation of metadata entries.
type Provider interface {
	GetEntry(ctx context.Context, aaguid uuid.UUID) (entry *Entry, err error)
	// other methods...
}

14-41: Undefined type StatusReport used in the method ValidateStatusReports.

Ensure that StatusReport is defined and properly imported. This type is crucial for the method's functionality.

- ValidateStatusReports(ctx context.Context, reports []StatusReport) (err error)
+ ValidateStatusReports(ctx context.Context, reports []metadata.StatusReport) (err error)

88-123: Address potential security issue with hardcoded credentials.

The constant UserVerificationBypass might be sensitive if it's used as a credential or key. Ensure that this constant is not used in a way that could expose sensitive information or security vulnerabilities.

+// Ensure that UserVerificationBypass is used in a secure context and is not exposed in client-side code.
	UserVerificationBypass AuthenticatorStatus = "USER_VERIFICATION_BYPASS"
Tools
Gitleaks

114-114: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)


118-118: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)


122-122: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)

golangci-lint

[high] 98-98: G101: Potential hardcoded credentials

(gosec)


88-123: Detected potential generic API keys.

The following constants might be exposing sensitive information:

  • FidoCertifiedL1plus
  • FidoCertifiedL2plus
  • FidoCertifiedL3plus

Ensure these constants are not used in a way that could expose sensitive information or security vulnerabilities.

Tools
Gitleaks

114-114: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)


118-118: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)


122-122: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)

golangci-lint

[high] 98-98: G101: Potential hardcoded credentials

(gosec)


125-142: Consider optimizing the function for checking undesired authenticator status.

Using a map instead of an array for defaultUndesiredAuthenticatorStatus would optimize the lookup time from O(n) to O(1), improving performance especially as the list of statuses grows.

- var defaultUndesiredAuthenticatorStatus = [...]AuthenticatorStatus{
-     AttestationKeyCompromise,
-     UserVerificationBypass,
-     UserKeyRemoteCompromise,
-     UserKeyPhysicalCompromise,
-     Revoked,
- }
+ var defaultUndesiredAuthenticatorStatus = map[AuthenticatorStatus]bool{
+     AttestationKeyCompromise: true,
+     UserVerificationBypass: true,
+     UserKeyRemoteCompromise: true,
+     UserKeyPhysicalCompromise: true,
+     Revoked: true,
+ }
- func IsUndesiredAuthenticatorStatus(status AuthenticatorStatus) bool {
-     for _, s := range defaultUndesiredAuthenticatorStatus {
-         if s == status {
-             return true
-         }
-     }
-     return false
+ func IsUndesiredAuthenticatorStatus(status AuthenticatorStatus) bool {
+     return defaultUndesiredAuthenticatorStatus[status]
}
metadata/metadata_test.go (8)

27-27: Ensure ProductionMDSURL is defined.

The variable ProductionMDSURL is used to fetch metadata but is not defined in the visible scope of the test or imported packages.


33-33: Ensure Metadata type is defined.

The Metadata type is crucial for the parsing functionality in the test. Ensure that it is correctly imported or defined within the appropriate package.


93-93: Ensure NewDecoder is defined.

The function NewDecoder should be correctly imported or defined within the appropriate package.


90-91: Ensure getEndpoints is defined.

The function getEndpoints should be correctly imported or defined within the appropriate package.


156-156: Ensure NewDecoder is defined.

The function NewDecoder should be correctly imported or defined within the appropriate package.


133-133: Ensure IsUndesiredAuthenticatorStatus is defined.

The function IsUndesiredAuthenticatorStatus is crucial for determining the status of authenticators in the test. Ensure that it is correctly imported or defined within the appropriate package.


307-307: Ensure AlgKeyMatch is defined.

The function AlgKeyMatch is crucial for key matching in the test. Ensure that it is correctly imported or defined within the appropriate package.


109-110: Improve error handling inside the loop.

When an error occurs during decoding, the current implementation logs the error and stops processing further. Consider adding a continue statement after logging to proceed with the next iteration, which can make the test more resilient and thorough.

- if blob, err = decoder.Decode(res.Body); err != nil {
-     if errors.As(err, &me) {
-         t.Log(me.Details)
-     }
+ if blob, err = decoder.Decode(res.Body); err != nil {
+     if errors.As(err, &me) {
+         t.Log(me.Details)
+         continue
+     }

Likely invalid or redundant comment.

metadata/decode.go (2)

59-60: Typographical error in error message.

Correct the typo in the error message for better clarity.

- return nil, fmt.Errorf("error occurred parsing next update value '%s': %w", payload.NextUpdate, err)
+ return nil, fmt.Errorf("error occurred parsing next update value '%s': %w", payload.NextUpdate, err)

Likely invalid or redundant comment.


85-95: Ensure proper resource management by always closing io.ReadCloser.

Ensure that io.ReadCloser is closed even if an error occurs during io.ReadAll.

- defer r.Close()
+ defer func() {
+     if cerr := r.Close(); cerr != nil {
+         err = fmt.Errorf("failed to close io.ReadCloser: %w", cerr)
+     }
+ }()

Likely invalid or redundant comment.

protocol/attestation.go (2)

Line range hint 81-86:
LGTM!

The code changes are approved.


Line range hint 87-123:
LGTM!

The code changes are approved.

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Actionable comments posted: 0

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between d8a892c and 69a98cb.

Files selected for processing (1)
  • webauthn/types.go (4 hunks)
Additional comments not posted (9)
webauthn/types.go (9)

8-8: Approved import for metadata handling.

The import of metadata is essential for the new features related to metadata handling and validation.


67-67: Incorporate documentation enhancement for MDS field.

The existing comment provides a valuable suggestion to enhance the documentation of the MDS field to clarify its usage.

- // MDS is a metadata.Provider and enables various metadata validations if configured.
+ // MDS is a metadata.Provider and enables various metadata validations if configured. It is used to validate the metadata of authenticators.

143-145: Approved addition of GetRPID() method.

This method correctly provides access to the RPID field, enhancing the modularity of the Config struct.


147-149: Approved addition of GetOrigins() method.

This method correctly provides access to the RPOrigins field, facilitating easier retrieval of configured origins.


151-153: Approved addition of GetTopOrigins() method.

This method correctly provides access to the RPTopOrigins field, facilitating easier retrieval of top configured origins.


155-157: Approved addition of GetTopOriginVerificationMode() method.

This method correctly provides access to the RPTopOriginVerificationMode field, facilitating easier retrieval of the verification mode for top origins.


159-161: Approved addition of GetMetaDataProvider() method.

This method correctly provides access to the MDS field, facilitating easier retrieval of the metadata provider.


163-169: Approved introduction of ConfigProvider interface.

This interface standardizes access to configuration details, promoting consistency and facilitating easier integration with other parts of the application.


207-207: Approved addition of RelyingPartyID field to SessionData struct.

This field supports the enhanced metadata handling and validation capabilities, aligning with the PR's objectives.

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Actionable comments posted: 3

Outside diff range, codebase verification and nitpick comments (1)
webauthn/login.go (1)

Line range hint 240-324: Complex validation logic in validateLogin.

This function performs multiple validations, including user and session checks, and uses UUIDs for AAGUID handling. Consider adding more inline comments to explain the steps involved, especially for the metadata validation part, to enhance maintainability and clarity.

+ // Step 1: Verify credential ownership.
+ // Step 2: Match user handle.
+ // Step 3: Validate session expiration.
+ // Step 4: Handle AAGUID and metadata validation.
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Review profile: CHILL

Commits

Files that changed from the base of the PR and between 69a98cb and ff84bc2.

Files selected for processing (3)
  • metadata/decode.go (1 hunks)
  • metadata/metadata.go (2 hunks)
  • webauthn/login.go (7 hunks)
Files not summarized due to errors (1)
  • metadata/metadata.go: Error: Message exceeds token limit
Files skipped from review as they are similar to previous changes (1)
  • metadata/decode.go
Additional comments not posted (3)
webauthn/login.go (2)

5-5: Approved new imports for enhanced functionality.

The addition of context and github.com/google/uuid aligns with the functionality described in the PR, such as handling session IDs and other identifiers which may be UUIDs.

Also applies to: 11-11


204-210: Enhanced error handling and signature changes in login validation functions.

The modifications in ValidateDiscoverableLogin and ValidatePasskeyLogin improve clarity and robustness. The detailed error messages are particularly useful. Ensure that similar detailed error handling is used consistently across all related functions for uniformity.

Also applies to: 212-230

metadata/metadata.go (1)

84-107: Enhance error messages for better debugging support.

The error messages in the Parse method could be more descriptive to aid in debugging.

if update, err = time.Parse(time.DateOnly, j.NextUpdate); err != nil {
    return payload, fmt.Errorf("failed to parse 'nextUpdate' with value '%s': %w", j.NextUpdat...

</blockquote></details>

</blockquote></details>

</details>

<!-- This is an auto-generated comment by CodeRabbit for review status -->

Comment on lines +46 to +56
func (m *Metadata) ToMap() (metadata map[uuid.UUID]*Entry) {
metadata = make(map[uuid.UUID]*Entry)

for _, entry := range m.Parsed.Entries {
if entry.AaGUID != uuid.Nil {
metadata[entry.AaGUID] = &entry
}
}

return metadata
}
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Optimize ToMap function to reduce redundancy.

The current implementation checks if entry.AaGUID is not uuid.Nil for each entry. Consider filtering these entries beforehand to streamline the loop.

func (m *Metadata) ToMap() (metadata map[uuid.UUID]*Entry) {
    metadata = make(map[uuid.UUID]*Entry)
    validEntries := filterValidEntries(m.Parsed.Entries)
    for _, entry := range validEntries {
        metadata[entry.AaGUID] = &entry
    }
    return metadata
}

func filterValidEntries(entries []Entry) []Entry {
    var validEntries []Entry
    for _, entry := range entries {
        if entry.AaGUID != uuid.Nil {
            validEntries = append(validEntries, entry)
        }
    }
    return validEntries
}
Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
func (m *Metadata) ToMap() (metadata map[uuid.UUID]*Entry) {
metadata = make(map[uuid.UUID]*Entry)
for _, entry := range m.Parsed.Entries {
if entry.AaGUID != uuid.Nil {
metadata[entry.AaGUID] = &entry
}
}
return metadata
}
func (m *Metadata) ToMap() (metadata map[uuid.UUID]*Entry) {
metadata = make(map[uuid.UUID]*Entry)
validEntries := filterValidEntries(m.Parsed.Entries)
for _, entry := range validEntries {
metadata[entry.AaGUID] = &entry
}
return metadata
}
func filterValidEntries(entries []Entry) []Entry {
var validEntries []Entry
for _, entry := range entries {
if entry.AaGUID != uuid.Nil {
validEntries = append(validEntries, entry)
}
}
return validEntries
}

@@ -88,6 +91,7 @@ func (webauthn *WebAuthn) beginLogin(userID []byte, allowedCredentials []protoco

session = &SessionData{
Challenge: challenge.String(),
RelyingPartyID: assertion.Response.RelyingPartyID,
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Ensure RelyingPartyID is validated before use.

The addition of RelyingPartyID to SessionData is crucial for identifying the relying party in a session. However, it's important to ensure that this ID is validated to prevent potential security issues, such as injection attacks. Consider adding a validation step to check the format and legitimacy of the RelyingPartyID before it's used.

+ // Validate the RelyingPartyID to ensure it's in a proper format and safe to use.
+ if err := validateRelyingPartyID(session.RelyingPartyID); err != nil {
+     return nil, err
+ }
Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
RelyingPartyID: assertion.Response.RelyingPartyID,
RelyingPartyID: assertion.Response.RelyingPartyID,
// Validate the RelyingPartyID to ensure it's in a proper format and safe to use.
if err := validateRelyingPartyID(session.RelyingPartyID); err != nil {
return nil, err
}

@james-d-elliott james-d-elliott merged commit 6713911 into master Jul 17, 2024
2 checks passed
@james-d-elliott james-d-elliott deleted the feat-mds3-provider branch July 17, 2024 12:40
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Actionable comments posted: 15

Outside diff range, codebase verification and nitpick comments (11)
metadata/providers/cached/util.go (2)

27-40: Review error handling in doOpenOrCreate.

The function attempts to open a file and if it does not exist, it creates it. This logic is sound, but the error handling could be more robust. Specifically, if os.Open fails for reasons other than the file not existing, this should be handled or logged.

Consider adding logging for unexpected errors.

+ import "log"

if os.IsNotExist(err) {
  if f, err = os.Create(name); err != nil {
    return nil, false, err
  }
  return f, true, nil
} else {
+ log.Printf("Failed to open file: %s, error: %v", name, err)
  return nil, false, err
}

43-50: Consider simplifying the defaultNew function.

The function initializes a memory provider with various validation flags. It's correctly implemented but consider documenting the purpose of each flag to improve code readability.

Add comments explaining the purpose of each validation flag.

+ // WithValidateEntry: Ensures all entries are validated.
+ // WithValidateTrustAnchor: Validates the trust anchor for each entry.
+ // WithValidateStatus: Checks the status of each metadata entry.
metadata/providers/memory/provider.go (1)

12-32: Clarify the purpose and handling of Option type in New.

The function uses the Option type to configure the provider. Ensure that the Option type is well-documented and consider handling cases where opts might be nil or empty.

Add error handling for nil or empty options.

+ if opts == nil || len(opts) == 0 {
+   return nil, fmt.Errorf("no options provided")
+ }
metadata/providers/cached/options.go (1)

34-41: Add logging to WithForceUpdate.

Adding logging here can help trace when a force update is triggered, which is useful for debugging and maintaining the system.

+ log.Printf("Force update set to: %v", force)
protocol/attestation_u2f.go (1)

19-19: Unused metadata.Provider parameter in verifyU2FFormat function.

The metadata.Provider parameter in the verifyU2FFormat function is not used. To avoid unnecessary complexity, consider removing this unused parameter.

  • protocol/attestation_u2f.go: line 19
Analysis chain

Updated function signature for verifyU2FFormat.

The addition of the _ metadata.Provider parameter in the verifyU2FFormat function is noted. It's important to ensure that this parameter is either used effectively within the function or considered for removal if it remains unused to avoid unnecessary complexity.

Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify the usage of the metadata provider in the `verifyU2FFormat` function.

# Test: Search for the usage of the metadata provider in the function. Expect: At least one usage.
ast-grep --lang go --pattern $'func verifyU2FFormat($_, $_, mds metadata.Provider) {
  $$$
  mds.$$$
}'

Length of output: 104


Script:

#!/bin/bash
# Description: Verify the usage of the metadata provider in the `verifyU2FFormat` function.

# Find the definition of the `verifyU2FFormat` function and display its body.
ast-grep --lang go --pattern $'func verifyU2FFormat($_, $_, $_ metadata.Provider) {
  $$$
}' -A 20

# Search for any usage of the `metadata.Provider` parameter within the Go files.
rg --lang go 'metadata\.Provider'

Length of output: 544


Script:

#!/bin/bash
# Description: Verify the usage of the metadata provider in the `verifyU2FFormat` function.

# Find the definition of the `verifyU2FFormat` function and display its body.
ast-grep --lang go --pattern $'func verifyU2FFormat($_, $_, $_ metadata.Provider) {
  $$$
}' -A 20

# Search for any usage of the `metadata.Provider` parameter within the Go files.
rg 'metadata\.Provider'

Length of output: 3740

protocol/attestation_packed_test.go (1)

64-64: Review of test parameter addition.

The addition of nil as a parameter in verifyPackedFormat suggests that no metadata provider is being used in these tests. This could be intentional for isolating the test environment, but it's important to ensure that this aligns with the intended test scenarios. Currently, all invocations of verifyPackedFormat pass nil for the metadata.Provider parameter, which may omit necessary test scenarios.

  • Review and update test cases to include scenarios with a non-nil metadata.Provider if applicable.
Analysis chain

Review of test parameter addition.

The addition of nil as a parameter in verifyPackedFormat suggests that no metadata provider is being used in these tests. This could be intentional for isolating the test environment, but it's important to ensure that this aligns with the intended test scenarios.

Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify the test setup to ensure that passing `nil` is intended and does not omit necessary test scenarios.

# Test: Search for the function usage in test files. Expect: Only occurances of the new signature.
rg --type go -A 5 $'verifyPackedFormat'

Length of output: 2665


Script:

#!/bin/bash
# Description: Search for all invocations of verifyPackedFormat to check if any of them pass a non-nil metadata.Provider.

rg --type go 'verifyPackedFormat('

Length of output: 125


Script:

#!/bin/bash
# Description: Search for all invocations of verifyPackedFormat to check if any of them pass a non-nil metadata.Provider.

rg --type go 'verifyPackedFormat\('

Length of output: 717

webauthn/registration.go (2)

Line range hint 14-94: Review of BeginRegistration: Comprehensive validation and setup.

The function BeginRegistration properly initializes the registration process, ensuring all configurations are validated and necessary data structures are initialized correctly. The validation of RelyingPartyID as a URI and ensuring it's non-empty are crucial for security and correctness.

However, consider adding more detailed error messages or logging to help diagnose issues during the registration process.


Line range hint 217-234: Review of CreateCredential: Robust error handling and validation.

The function CreateCredential effectively handles potential errors such as ID mismatches and expired sessions, which are critical for maintaining the integrity of the registration process.

Consider enhancing the documentation to explain the conditions under which errors are returned, which could aid in debugging and maintenance.

protocol/attestation_test.go (1)

9-35: Refactoring in TestAttestationVerify: Use of require.NoError enhances clarity.

The use of require.NoError in TestAttestationVerify simplifies error handling and makes the test code cleaner and more readable. This is a good practice in test code to ensure that errors are handled concisely.

However, ensure that the use of assertions does not prevent the capture of detailed error information which might be necessary for diagnosing test failures.

README.md (1)

295-335: Enhance the "Credential Record" section with examples and detailed verification steps.

The new section on "Credential Record" is informative but could benefit from examples or more detailed steps on how the verification process is performed. Consider adding examples or a more detailed explanation of different scenarios like registration, login, and periodic audits to clarify the verification process.

+### Example
+Here is an example of how a Credential Record can be used during registration:
+```go
+func RegisterCredential(credential webauthn.Credential) {
+    // Example registration logic here
+}
+```
+This example demonstrates how to handle Credential Records during user registration.
Tools
LanguageTool

[uncategorized] ~295-~295: Possible missing comma found.
Context: ... specification describes the Credential Record which includes several required and opt...

(AI_HYDRA_LEO_MISSING_COMMA)


[style] ~319-~319: Three successive sentences begin with the same word. Consider rewording the sentence or use a thesaurus to find a synonym.
Context: ...e values are not restored the [webauthn.Credential] may fail
validation in this scenario....

(ENGLISH_WORD_REPEAT_BEGINNING_RULE)


[style] ~324-~324: ‘exactly the same’ might be wordy. Consider a shorter alternative.
Context: ...as the [webauthn.Credential] struct has exactly the same values when restored the [Credential Ve...

(EN_WORDINESS_PREMIUM_EXACTLY_THE_SAME)


[misspelling] ~326-~326: Use “an” instead of ‘a’ if the following word starts with a vowel sound, e.g. ‘an article’, ‘an hour’.
Context: ... registration,
on every login, or with a audit schedule.

In addition to using...

(EN_A_VS_AN)


[typographical] ~332-~332: It appears that a comma is missing.
Context: ...registrations automatically.

At this time no tooling exists to verify the credent...

(DURING_THAT_TIME_COMMA)

metadata/metadata_test.go (1)

Line range hint 39-123: Proper use of HTTP client with timeout.

Setting a timeout for the HTTP client is a best practice, especially in test environments, to avoid indefinitely hanging tests.

Suggestion to improve error resilience in loops.

Currently, if an error occurs when decoding metadata from an endpoint, the loop stops processing further entries. Consider adding a continue statement to skip over failing entries and proceed with others, enhancing the robustness of the test.

92  if blob, err = decoder.Decode(res.Body); err != nil {
93      if errors.As(err, &me) {
          t.Log(me.Details)
+         continue
      }
  }
Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between ff84bc2 and e056df0.

Files selected for processing (42)
  • README.md (1 hunks)
  • metadata/const.go (1 hunks)
  • metadata/decode.go (1 hunks)
  • metadata/doc.go (1 hunks)
  • metadata/metadata.go (2 hunks)
  • metadata/metadata_test.go (4 hunks)
  • metadata/passkey_authenticator.go (1 hunks)
  • metadata/providers/cached/doc.go (1 hunks)
  • metadata/providers/cached/options.go (1 hunks)
  • metadata/providers/cached/provider.go (1 hunks)
  • metadata/providers/cached/util.go (1 hunks)
  • metadata/providers/memory/doc.go (1 hunks)
  • metadata/providers/memory/options.go (1 hunks)
  • metadata/providers/memory/provider.go (1 hunks)
  • metadata/status.go (1 hunks)
  • metadata/types.go (1 hunks)
  • protocol/attestation.go (4 hunks)
  • protocol/attestation_androidkey.go (1 hunks)
  • protocol/attestation_androidkey_test.go (1 hunks)
  • protocol/attestation_apple.go (1 hunks)
  • protocol/attestation_apple_test.go (1 hunks)
  • protocol/attestation_packed.go (1 hunks)
  • protocol/attestation_packed_test.go (1 hunks)
  • protocol/attestation_safetynet.go (6 hunks)
  • protocol/attestation_safetynet_test.go (1 hunks)
  • protocol/attestation_test.go (1 hunks)
  • protocol/attestation_tpm.go (2 hunks)
  • protocol/attestation_tpm_test.go (12 hunks)
  • protocol/attestation_u2f.go (2 hunks)
  • protocol/attestation_u2f_test.go (1 hunks)
  • protocol/base64_test.go (2 hunks)
  • protocol/client_test.go (3 hunks)
  • protocol/const.go (1 hunks)
  • protocol/credential.go (3 hunks)
  • protocol/credential_test.go (1 hunks)
  • protocol/metadata.go (1 hunks)
  • protocol/webauthncose/webauthncose.go (1 hunks)
  • webauthn/credential.go (5 hunks)
  • webauthn/credential_test.go (2 hunks)
  • webauthn/login.go (7 hunks)
  • webauthn/registration.go (3 hunks)
  • webauthn/types.go (4 hunks)
Files not summarized due to errors (1)
  • metadata/metadata.go: Error: Message exceeds token limit
Files skipped from review due to trivial changes (4)
  • metadata/doc.go
  • metadata/providers/cached/doc.go
  • metadata/providers/memory/doc.go
  • protocol/const.go
Files skipped from review as they are similar to previous changes (4)
  • metadata/decode.go
  • metadata/providers/memory/options.go
  • webauthn/login.go
  • webauthn/types.go
Additional context used
golangci-lint
metadata/status.go

11-11: cyclomatic complexity 18 of func ValidateStatusReports is high (> 15)

(gocyclo)

metadata/providers/memory/provider.go

[warning] 49-49: exported: exported method Provider.GetEntry should have comment or be unexported

(revive)


[warning] 63-63: exported: exported method Provider.GetValidateEntry should have comment or be unexported

(revive)


[warning] 67-67: exported: exported method Provider.GetValidateEntryPermitZeroAAGUID should have comment or be unexported

(revive)


[warning] 71-71: exported: exported method Provider.GetValidateTrustAnchor should have comment or be unexported

(revive)


[warning] 75-75: exported: exported method Provider.GetValidateStatus should have comment or be unexported

(revive)


[warning] 79-79: exported: exported method Provider.GetValidateAttestationTypes should have comment or be unexported

(revive)


[warning] 83-83: exported: exported method Provider.ValidateStatusReports should have comment or be unexported

(revive)

protocol/attestation_apple.go

34-34: block should not start with a whitespace

(wsl)

protocol/attestation_safetynet.go

44-44: cyclomatic complexity 17 of func verifySafetyNetFormat is high (> 15)

(gocyclo)

protocol/attestation_packed.go

37-37: block should not start with a whitespace

(wsl)

protocol/attestation_androidkey.go

32-32: cyclomatic complexity 21 of func verifyAndroidKeyFormat is high (> 15)

(gocyclo)


50-50: Comment should end in a period

(godot)

protocol/attestation.go

71-71: Comment should end in a period

(godot)


140-140: cyclomatic complexity 27 of func (*AttestationObject).VerifyAttestation is high (> 15)

(gocyclo)

protocol/attestation_tpm.go

22-22: cyclomatic complexity 47 of func verifyTPMFormat is high (> 15)

(gocyclo)

metadata/types.go

[high] 99-99: G101: Potential hardcoded credentials

(gosec)

LanguageTool
README.md

[uncategorized] ~295-~295: Possible missing comma found.
Context: ... specification describes the Credential Record which includes several required and opt...

(AI_HYDRA_LEO_MISSING_COMMA)


[style] ~319-~319: Three successive sentences begin with the same word. Consider rewording the sentence or use a thesaurus to find a synonym.
Context: ...e values are not restored the [webauthn.Credential] may fail
validation in this scenario....

(ENGLISH_WORD_REPEAT_BEGINNING_RULE)


[style] ~324-~324: ‘exactly the same’ might be wordy. Consider a shorter alternative.
Context: ...as the [webauthn.Credential] struct has exactly the same values when restored the [Credential Ve...

(EN_WORDINESS_PREMIUM_EXACTLY_THE_SAME)


[misspelling] ~326-~326: Use “an” instead of ‘a’ if the following word starts with a vowel sound, e.g. ‘an article’, ‘an hour’.
Context: ... registration,
on every login, or with a audit schedule.

In addition to using...

(EN_A_VS_AN)


[typographical] ~332-~332: It appears that a comma is missing.
Context: ...registrations automatically.

At this time no tooling exists to verify the credent...

(DURING_THAT_TIME_COMMA)


[uncategorized] ~339-~339: Possible missing comma found.
Context: ...
implementation. Without their amazing work this library could not exist.

[git...

(AI_HYDRA_LEO_MISSING_COMMA)

Gitleaks
metadata/types.go

115-115: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)


119-119: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)


123-123: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)


214-214: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)


238-238: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)

Additional comments not posted (48)
webauthn/credential_test.go (2)

6-7: Updated imports to include testify libraries.

This change supports the updated assertion methods used in the test cases.


17-32: Refactored test cases to improve readability and maintainability.

The test cases have been refactored from tests to testCases, and assertion methods have been updated to use assert.EqualValues, assert.EqualError, and require.NoError. These changes enhance the clarity and reliability of the tests.

protocol/base64_test.go (2)

10-11: Updated imports to include testify libraries.

This change supports the updated assertion methods used in the test cases.


46-49: Refactored error handling and assertions in test function.

The refactoring in TestBase64UnmarshalJSON enhances the test readability and maintainability by utilizing testify's assertion functions for better error reporting and test failure messages.

protocol/attestation_u2f_test.go (1)

40-40: Verify the addition of nil argument in test case.

The addition of a nil argument to verifyU2FFormat in the test case indicates a change in the function's expected inputs. Ensure this change is reflected across all relevant test cases and that it aligns with the function's updated signature.

Verification successful

Verification Successful: The addition of the nil argument in the test case aligns with the updated function signature of verifyU2FFormat. All relevant test cases have been updated accordingly.

  • protocol/attestation_u2f_test.go
Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify that all test cases for `verifyU2FFormat` have been updated to match the new function signature.

# Test: Search for the function usage in test cases. Expect: Consistent usage of the new signature.
rg --type go -A 5 $'verifyU2FFormat'

Length of output: 1673


Script:

#!/bin/bash
# Description: Verify that all test cases for `verifyU2FFormat` have been updated to match the new function signature.

# Test: Search for all instances of `verifyU2FFormat` in test files to ensure consistent usage of the new signature.
rg --type go 'verifyU2FFormat\('

Length of output: 490

metadata/providers/cached/provider.go (2)

12-48: Refactor the initialization logic in the New function to improve readability.

Consider breaking down the initialization into smaller, more manageable functions. This can help in isolating issues and making the code more modular.

  • Line 26-28: Add checks or logs to handle cases where the necessary configuration is missing.

65-114: Improve error handling in the init method to provide more context in case of failures.

func (p *Provider) init() (err error) {
+	defer func() {
+		if err != nil {
+			err = fmt.Errorf("init failed: %w", err)
+		}
+	}()
	// existing code...
}

This change adds a deferred function to wrap errors with more context, aiding in debugging and maintenance.

protocol/attestation_apple_test.go (1)

40-40: Verify the addition of nil argument in test case.

The addition of a nil argument to verifyAppleFormat in the test case indicates a change in the function's expected inputs. Ensure this change is reflected across all relevant test cases and that it aligns with the function's updated signature.

Verification successful

The addition of the nil argument in the test case for verifyAppleFormat has been correctly reflected.

  • The test case in protocol/attestation_apple_test.go includes the new nil argument.
  • No other instances of verifyAppleFormat were found that need updating.
Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify that all test cases for `verifyAppleFormat` have been updated to match the new function signature.

# Test: Search for the function usage in test cases. Expect: Consistent usage of the new signature.
rg --type go -A 5 $'verifyAppleFormat'

Length of output: 2025


Script:

#!/bin/bash
# Description: Verify that all instances of `verifyAppleFormat` in the codebase have been updated to match the new function signature.

# Test: Search for all instances of `verifyAppleFormat` in the codebase. Expect: Consistent usage of the new signature.
rg --type go 'verifyAppleFormat'

Length of output: 683

protocol/attestation_apple.go (1)

34-34: Verify new parameter in verifyAppleFormat.

The addition of _ metadata.Provider to the function signature should be thoroughly tested to ensure it integrates well with existing systems and does not introduce regressions.

Verification successful

Unused parameter in verifyAppleFormat.

The new parameter _ metadata.Provider added to the verifyAppleFormat function is currently unused. While it does not cause any regressions or issues, it is important to document this for future reference to avoid confusion.

  • protocol/attestation_apple.go: The parameter _ metadata.Provider is present but not utilized within the function.
Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify that the new parameter in `verifyAppleFormat` is properly integrated and does not cause issues.

# Test: Search for the function usage in the codebase. Expect: Consistent handling of the new parameter.
rg --type go -A 5 $'verifyAppleFormat'

Length of output: 2025


Script:

#!/bin/bash
# Description: Verify the usage of the new parameter `_ metadata.Provider` within the `verifyAppleFormat` function and its related code.

# Test: Search for the usage of `metadata.Provider` in the codebase. Expect: Consistent handling within `verifyAppleFormat`.
rg --type go 'metadata.Provider'

Length of output: 3415

Tools
golangci-lint

34-34: block should not start with a whitespace

(wsl)

protocol/client_test.go (3)

Line range hint 7-12: Parameterization of origin is implemented.

The function setupCollectedClientData correctly uses origin as a parameter. This addresses the previous comment about enhancing test flexibility.

Tools
golangci-lint

10-10: setupCollectedClientData - origin always receives "http://example.com"

(unparam)


22-28: Improved error handling in tests.

Replacing t.Fatalf with require.NoError in TestVerifyCollectedClientData enhances clarity and robustness in test error handling.


40-42: Specific error assertion implemented.

Using assert.EqualError in TestVerifyCollectedClientDataIncorrectChallenge ensures that the error message is exactly as expected, improving the test's precision.

metadata/const.go (2)

3-15: Constants for metadata URLs and roots defined.

The constants ProductionMDSRoot, ProductionMDSURL, ConformanceMDSRoot, and ExampleMDSRoot are well-defined and follow good practices by keeping URLs and cryptographic keys as constants, which enhances maintainability and readability.


23-34: Proper use of MetadataError for error handling.

The variables errIntermediateCertRevoked, errLeafCertRevoked, and errCRLUnavailable are instances of MetadataError and are used to define specific metadata-related errors. This is a good practice as it enhances error specificity and maintainability.

webauthn/credential.go (4)

Line range hint 11-35: Enhancements to Credential struct.

The additions to the Credential struct, including the new field Attestation and the detailed documentation, improve the struct's alignment with the specification and enhance its functionality for handling attestation data.


53-59: Definition of CredentialAttestation struct.

The CredentialAttestation struct is well-defined and encapsulates attestation-related data clearly. This struct aids in keeping the attestation data organized and easily manageable.


Line range hint 71-99: Refactoring of credential creation and validation logic.

The NewCredential function is well-implemented with clear separation of credential creation and initialization of attestation data. This refactoring improves code readability and maintainability.


101-140: Implementation of the Verify method.

The Verify method is implemented to handle credential verification against a metadata provider. This method is crucial for verifying the integrity and authenticity of credentials. The implementation appears robust and aligns with best practices in error handling and data validation.

protocol/attestation_u2f.go (1)

43-51: Refactoring of attestation statement handling.

The use of constants stmtX5C and stmtSignature instead of hardcoding keys in the verifyU2FFormat function improves maintainability and reduces the risk of typos or inconsistencies in key usage.

protocol/attestation_safetynet.go (4)

5-5: Added context import.

The addition of the context package is consistent with the introduction of metadata.Provider which requires context for operations.


44-44: Review the function signature change.

The function now accepts a metadata.Provider, which is a significant change as it allows for more flexible metadata handling, potentially enabling better caching strategies or custom metadata providers.

Tools
golangci-lint

44-44: cyclomatic complexity 17 of func verifySafetyNetFormat is high (> 15)

(gocyclo)


61-61: Refactor to use constants for map keys.

The change from direct string keys to constants (stmtVersion, stmtX5C) improves code maintainability and reduces the risk of typos.

Also applies to: 78-78, 112-112


136-142: Refactored timestamp validation logic.

This change abstracts the timestamp validation into a separate function, improving readability and maintainability. It also handles different timestamp scenarios more cleanly.

protocol/attestation_androidkey_test.go (1)

52-52: Review of test parameter addition.

The addition of nil as a parameter in verifyAndroidKeyFormat suggests that no metadata provider is being used in these tests. This could be intentional for isolating the test environment, but it's important to ensure that this aligns with the intended test scenarios.

protocol/attestation_packed.go (2)

37-37: Review of function signature change.

The function now accepts a metadata.Provider parameter, although it's not used in the function (_). This might be for future use or to standardize the function signatures across different attestation formats.

Tools
golangci-lint

37-37: block should not start with a whitespace

(wsl)


44-44: Use of constants for map keys.

The change from direct string keys to constants (stmtAlgorithm, stmtSignature, stmtX5C, stmtECDAAKID) improves code maintainability and reduces the risk of typos.

Also applies to: 50-50, 56-56, 64-64

webauthn/registration.go (1)

Line range hint 217-234: Review of WithRegistrationRelyingPartyID: Correct implementation of option setter.

The function WithRegistrationRelyingPartyID correctly implements the option pattern by allowing the configuration of the RelyingPartyID. This is a simple yet effective way to customize the registration process.

protocol/credential.go (1)

Line range hint 136-192: Enhancements in Verify: Incorporation of metadata provider and returning clientDataHash.

The modifications to the Verify function to include a metadata.Provider and to return `clientData

protocol/attestation_androidkey.go (3)

32-32: Cyclomatic Complexity Still High

The cyclomatic complexity of verifyAndroidKeyFormat remains high at 21, which may hinder maintainability.

Tools
golangci-lint

32-32: cyclomatic complexity 21 of func verifyAndroidKeyFormat is high (> 15)

(gocyclo)


32-32: Parameter Integration in verifyAndroidKeyFormat

The addition of the _ metadata.Provider parameter is noted, but it's not utilized within the function. This could be intentional (hence the underscore), but ensure it aligns with future usage plans.

Tools
golangci-lint

32-32: cyclomatic complexity 21 of func verifyAndroidKeyFormat is high (> 15)

(gocyclo)


39-39: Refactor Key Access for Clarity

The change from direct string keys to constants (e.g., stmtAlgorithm, stmtSignature, stmtX5C) improves code readability and maintainability by reducing magic strings.

Also applies to: 45-45, 51-51

protocol/attestation.go (3)

81-81: Parameter Addition and New Method

The addition of the metadata.Provider parameter to the attestationFormatValidationHandler type and the Verify method, as well as the introduction of VerifyAttestation, enhance metadata handling capabilities.

Also applies to: 127-127, 138-138


140-140: High Cyclomatic Complexity in VerifyAttestation

The cyclomatic complexity of VerifyAttestation is reported as 27, which is quite high and could impact the maintainability of the code.

Tools
golangci-lint

140-140: cyclomatic complexity 27 of func (*AttestationObject).VerifyAttestation is high (> 15)

(gocyclo)


240-246: Refactor Handling of x5c Certificate Chain

The handling of the x5c certificate chain has been refactored for clarity and robustness, addressing previous comments effectively.

protocol/attestation_tpm.go (3)

22-22: Cyclomatic Complexity Still High in verifyTPMFormat

The cyclomatic complexity of verifyTPMFormat remains very high at 47, which could severely impact maintainability.

Tools
golangci-lint

22-22: cyclomatic complexity 47 of func verifyTPMFormat is high (> 15)

(gocyclo)


22-22: Parameter Integration in verifyTPMFormat

The addition of the _ metadata.Provider parameter is noted, but it's not utilized within the function. This could be intentional (hence the underscore), but ensure it aligns with future usage plans.

Tools
golangci-lint

22-22: cyclomatic complexity 47 of func verifyTPMFormat is high (> 15)

(gocyclo)


29-29: Refactor Key Access for Clarity in verifyTPMFormat

The change from direct string keys to constants (e.g., stmtVersion, stmtAlgorithm, stmtX5C, etc.) improves code readability and maintainability by reducing magic strings.

Also applies to: 38-38, 45-45, 51-51, 56-56, 61-61, 66-66

protocol/webauthncose/webauthncose.go (1)

38-38: Introduction of EC2PublicKeyData Type

The new EC2PublicKeyData type extends PublicKeyData with specific fields for elliptic curve keys, enhancing the structure and clarity of key handling.

metadata/metadata_test.go (3)

137-148: Proper handling of byte slices for metadata parsing.

Using DecodeBytes to handle byte slices directly is efficient and appropriate for this context. The error handling and assertions are correctly implemented.


316-357: Change in return type to StatementJSON is noted.

The modification to return StatementJSON instead of MetadataStatement aligns with the rework of the metadata handling as a provider. This should be verified for consistency across the system.

Verification successful

The change to return StatementJSON is consistent across the system.

The StatementJSON type is appropriately defined and utilized within the metadata package. The function getTestMetadata correctly returns StatementJSON, aligning with the overall metadata handling.

  • metadata/metadata.go: Defines and uses StatementJSON.
  • metadata/metadata_test.go: Uses StatementJSON in the getTestMetadata function.
Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify the usage of `StatementJSON` across the system.
grep -R 'StatementJSON' .

Length of output: 613


19-35: Good use of testify for concise error handling and assertions.

The use of require.NoError and require.NotNil from the testify package helps in making the tests more readable and robust.

Question about ignoring entry parsing errors:

The decoder is initialized with WithIgnoreEntryParsingErrors(). Is this intended for production tests, or should it be limited to a development environment to ensure more stringent checks?

protocol/attestation_tpm_test.go (6)

19-19: Approved addition of require import.

The addition of github.com/stretchr/testify/require is beneficial for making assertions in tests that will stop the test if they fail, which is useful for identifying critical errors early in the test execution.


88-118: Approved updates in TestTPMAttestationVerificationFailAttStatement.

Using more descriptive constants in the initialization of AttestationObject enhances the readability and maintainability of the test cases. This change makes it easier to understand what each test case is validating.


Line range hint 359-369: Approved changes in TestTPMAttestationVerificationFailPubArea.

The function is well-structured and the changes, including the use of makeDefaultRSAPublicBytes and structured test setups, improve the clarity and robustness of the tests. The conditional logic based on the key type is appropriately handled.


Line range hint 399-458: Approved changes in TestTPMAttestationVerificationFailCertInfo.

The updates to handle certInfo related tests are comprehensive, involving detailed setups and the use of webauthncbor for encoding. These changes enhance the robustness and coverage of the tests.


Line range hint 514-575: Approved changes in TestTPMAttestationVerificationFailX5c.

The function is well-structured and the changes, including the use of makeX5c and structured test setups, improve the clarity and robustness of the tests. The handling of complex certificate data is appropriately managed.


31-32: Approved changes in TestTPMAttestationVerificationSuccess.

The addition of a nil argument in the verifyTPMFormat function call and the use of require.NoError are appropriate for ensuring the robustness of the test. Ensure that the new function signature is consistently used across all tests.

Verification successful

Approved changes in TestTPMAttestationVerificationSuccess.

The addition of a nil argument in the verifyTPMFormat function call and the use of require.NoError are appropriate for ensuring the robustness of the test. The new function signature is consistently used across all tests.

Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify all function calls to `verifyTPMFormat` match the new signature.

# Test: Search for the function usage. Expect: Only occurrences of the new signature.
rg --type go -A 5 $'verifyTPMFormat'

Length of output: 2707

metadata/metadata.go (1)

46-56: Optimize the ToMap function to reduce redundancy.

The current implementation checks if entry.AaGUID is not uuid.Nil for each entry. Consider filtering these entries beforehand to streamline the loop.

func (m *Metadata) ToMap() (metadata map[uuid.UUID]*Entry) {
    metadata = make(map[uuid.UUID]*Entry)
    validEntries := filterValidEntries(m.Parsed.Entries)
    for _, entry := range validEntries {
        metadata[entry.AaGUID] = &entry
    }
    return metadata
}

func filterValidEntries(entries []Entry) []Entry {
    var validEntries []Entry
    for _, entry := range entries {
        if entry.AaGUID != uuid.Nil {
            validEntries = append(validEntries, entry)
        }
    }
    return validEntries
}

Likely invalid or redundant comment.

Comment on lines +6 to +16
type PasskeyAuthenticator map[string]PassKeyAuthenticatorAAGUID

// PassKeyAuthenticatorAAGUID is a type that represents the indivudal schema entry from the Passkey Developer AAGUID
// listing. Used with PasskeyAuthenticator.
//
// See: https://github.com/passkeydeveloper/passkey-authenticator-aaguids
type PassKeyAuthenticatorAAGUID struct {
Name string `json:"name"`
IconDark string `json:"icon_dark,omitempty"`
IconLight string `json:"icon_light,omitempty"`
}
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Consider refining the naming convention for consistency.

The type PassKeyAuthenticatorAAGUID uses camelCase inconsistently (PassKey instead of Passkey). Consider aligning it with the rest of the Go naming conventions and the other type in this file.

- type PassKeyAuthenticatorAAGUID struct {
+ type PasskeyAuthenticatorAAGUID struct {
Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
type PasskeyAuthenticator map[string]PassKeyAuthenticatorAAGUID
// PassKeyAuthenticatorAAGUID is a type that represents the indivudal schema entry from the Passkey Developer AAGUID
// listing. Used with PasskeyAuthenticator.
//
// See: https://github.com/passkeydeveloper/passkey-authenticator-aaguids
type PassKeyAuthenticatorAAGUID struct {
Name string `json:"name"`
IconDark string `json:"icon_dark,omitempty"`
IconLight string `json:"icon_light,omitempty"`
}
type PasskeyAuthenticator map[string]PasskeyAuthenticatorAAGUID
// PassKeyAuthenticatorAAGUID is a type that represents the indivudal schema entry from the Passkey Developer AAGUID
// listing. Used with PasskeyAuthenticator.
//
// See: https://github.com/passkeydeveloper/passkey-authenticator-aaguids
type PasskeyAuthenticatorAAGUID struct {
Name string `json:"name"`
IconDark string `json:"icon_dark,omitempty"`
IconLight string `json:"icon_light,omitempty"`
}

Comment on lines +12 to +43
func ValidateMetadata(ctx context.Context, aaguid uuid.UUID, mds metadata.Provider) (err error) {
if mds == nil {
return nil
}

var (
entry *metadata.Entry
)

if entry, err = mds.GetEntry(ctx, aaguid); err != nil {
return err
}

if entry == nil {
if aaguid == uuid.Nil && mds.GetValidateEntryPermitZeroAAGUID(ctx) {
return nil
}

if mds.GetValidateEntry(ctx) {
return fmt.Errorf("error occurred performing authenticator entry validation: AAGUID entry has not been registered with the metadata service")
}

return nil
}

if mds.GetValidateStatus(ctx) {
if err = mds.ValidateStatusReports(ctx, entry.StatusReports); err != nil {
return fmt.Errorf("error occurred performing authenticator status validation: %w", err)
}
}

return nil
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Enhance error messages and handle nil values robustly.

The function ValidateMetadata effectively handles various validation cases. Consider enhancing the error messages for better clarity and debugging, and ensure robust handling of nil entries, possibly by adding more explicit logging or error messages.

- return fmt.Errorf("error occurred performing authenticator entry validation: AAGUID entry has not been registered with the metadata service")
+ return fmt.Errorf("Validation error: AAGUID entry %s has not been registered with the metadata service", aaguid)
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Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
func ValidateMetadata(ctx context.Context, aaguid uuid.UUID, mds metadata.Provider) (err error) {
if mds == nil {
return nil
}
var (
entry *metadata.Entry
)
if entry, err = mds.GetEntry(ctx, aaguid); err != nil {
return err
}
if entry == nil {
if aaguid == uuid.Nil && mds.GetValidateEntryPermitZeroAAGUID(ctx) {
return nil
}
if mds.GetValidateEntry(ctx) {
return fmt.Errorf("error occurred performing authenticator entry validation: AAGUID entry has not been registered with the metadata service")
}
return nil
}
if mds.GetValidateStatus(ctx) {
if err = mds.ValidateStatusReports(ctx, entry.StatusReports); err != nil {
return fmt.Errorf("error occurred performing authenticator status validation: %w", err)
}
}
return nil
func ValidateMetadata(ctx context.Context, aaguid uuid.UUID, mds metadata.Provider) (err error) {
if mds == nil {
return nil
}
var (
entry *metadata.Entry
)
if entry, err = mds.GetEntry(ctx, aaguid); err != nil {
return err
}
if entry == nil {
if aaguid == uuid.Nil && mds.GetValidateEntryPermitZeroAAGUID(ctx) {
return nil
}
if mds.GetValidateEntry(ctx) {
return fmt.Errorf("Validation error: AAGUID entry %s has not been registered with the metadata service", aaguid)
}
return nil
}
if mds.GetValidateStatus(ctx) {
if err = mds.ValidateStatusReports(ctx, entry.StatusReports); err != nil {
return fmt.Errorf("error occurred performing authenticator status validation: %w", err)
}
}
return nil

@@ -40,7 +41,7 @@ type SafetyNetResponse struct {
// authenticators SHOULD make use of the Android Key Attestation when available, even if the SafetyNet API is also present.
//
// Specification: §8.5. Android SafetyNet Attestation Statement Format (https://www.w3.org/TR/webauthn/#sctn-android-safetynet-attestation)
func verifySafetyNetFormat(att AttestationObject, clientDataHash []byte) (string, []any, error) {
func verifySafetyNetFormat(att AttestationObject, clientDataHash []byte, mds metadata.Provider) (string, []any, error) {
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Cyclomatic complexity issue.

Previous comments suggested reducing the complexity of verifySafetyNetFormat. This still needs addressing as the function is complex with a cyclomatic complexity of 17.

- func verifySafetyNetFormat(att AttestationObject, clientDataHash []byte, mds metadata.Provider) (string, []any, error) {
+ // Consider breaking down this function into smaller, more manageable functions.

Committable suggestion was skipped due to low confidence.

Tools
golangci-lint

44-44: cyclomatic complexity 17 of func verifySafetyNetFormat is high (> 15)

(gocyclo)

Comment on lines +84 to +107
func (j PayloadJSON) Parse() (payload Parsed, err error) {
var update time.Time

if update, err = time.Parse(time.DateOnly, j.NextUpdate); err != nil {
return payload, fmt.Errorf("error occurred parsing next update value '%s': %w", j.NextUpdate, err)
}

// Conformance indicates if test metadata is currently being used
var Conformance = false
n := len(j.Entries)

var MDSRoot = ProductionMDSRoot
entries := make([]Entry, n)

// MetadataBLOBPayloadEntry - Represents the MetadataBLOBPayloadEntry
// https://fidoalliance.org/specs/mds/fido-metadata-service-v3.0-ps-20210518.html#metadata-blob-payload-entry-dictionary
type MetadataBLOBPayloadEntry struct {
for i := 0; i < n; i++ {
if entries[i], err = j.Entries[i].Parse(); err != nil {
return payload, fmt.Errorf("error occurred parsing entry %d: %w", i, err)
}
}

return Parsed{
LegalHeader: j.LegalHeader,
Number: j.Number,
NextUpdate: update,
Entries: entries,
}, nil
}
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Enhance error messages for better debugging support.

The error messages in the Parse method could be more descriptive to aid in debugging.

if update, err = time.Parse(time.DateOnly, j.NextUpdate); err != nil {
    return payload, fmt.Errorf("failed to parse 'nextUpdate' with value '%s': %w", j.NextUpdate, err)
}

for i := 0; i < n; i++ {
    if entries[i], err = j.Entries[i].Parse(); err != nil {
        return payload, fmt.Errorf("failed to parse entry %d: %w", i, err)
    }
}
Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
func (j PayloadJSON) Parse() (payload Parsed, err error) {
var update time.Time
if update, err = time.Parse(time.DateOnly, j.NextUpdate); err != nil {
return payload, fmt.Errorf("error occurred parsing next update value '%s': %w", j.NextUpdate, err)
}
// Conformance indicates if test metadata is currently being used
var Conformance = false
n := len(j.Entries)
var MDSRoot = ProductionMDSRoot
entries := make([]Entry, n)
// MetadataBLOBPayloadEntry - Represents the MetadataBLOBPayloadEntry
// https://fidoalliance.org/specs/mds/fido-metadata-service-v3.0-ps-20210518.html#metadata-blob-payload-entry-dictionary
type MetadataBLOBPayloadEntry struct {
for i := 0; i < n; i++ {
if entries[i], err = j.Entries[i].Parse(); err != nil {
return payload, fmt.Errorf("error occurred parsing entry %d: %w", i, err)
}
}
return Parsed{
LegalHeader: j.LegalHeader,
Number: j.Number,
NextUpdate: update,
Entries: entries,
}, nil
}
func (j PayloadJSON) Parse() (payload Parsed, err error) {
var update time.Time
if update, err = time.Parse(time.DateOnly, j.NextUpdate); err != nil {
return payload, fmt.Errorf("failed to parse 'nextUpdate' with value '%s': %w", j.NextUpdate, err)
}
n := len(j.Entries)
entries := make([]Entry, n)
for i := 0; i < n; i++ {
if entries[i], err = j.Entries[i].Parse(); err != nil {
return payload, fmt.Errorf("failed to parse entry %d: %w", i, err)
}
}
return Parsed{
LegalHeader: j.LegalHeader,
Number: j.Number,
NextUpdate: update,
Entries: entries,
}, nil
}

Comment on lines +293 to +314
func getEndpoints(c *http.Client) ([]string, error) {
jsonReq, err := json.Marshal(MDSGetEndpointsRequest{Endpoint: "https://webauthn.io"})
if err != nil {
return nil, err
}

req, err := c.Post("https://mds3.fido.tools/getEndpoints", "application/json", bytes.NewBuffer(jsonReq))
if err != nil {
return nil, err
}

defer req.Body.Close()
body, _ := io.ReadAll(req.Body)

var resp MDSGetEndpointsResponse

if err = json.Unmarshal(body, &resp); err != nil {
return nil, err
}

return resp.Result, err
}
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Change to use a pointer for HTTP client is appropriate.

Using a pointer for the HTTP client parameter is a good practice as it avoids copying the client structure and allows for potential modifications by the function.

Handle potential errors from io.ReadAll.

It's important to handle errors when reading the response body to prevent runtime panics and undefined behavior.

305  body, _ := io.ReadAll(req.Body)
+   if err != nil {
+       return nil, err
+   }

Committable suggestion was skipped due to low confidence.

@@ -31,12 +31,12 @@ func init() {
// }
//
// Specification: §8.8. Apple Anonymous Attestation Statement Format (https://www.w3.org/TR/webauthn/#sctn-apple-anonymous-attestation)
func verifyAppleFormat(att AttestationObject, clientDataHash []byte) (string, []any, error) {
func verifyAppleFormat(att AttestationObject, clientDataHash []byte, _ metadata.Provider) (string, []any, error) {
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Remove leading whitespace at the start of the block.

According to static analysis, there should not be a whitespace at the start of the block.

- func verifyAppleFormat(att AttestationObject, clientDataHash []byte, _ metadata.Provider) (string, []any, error) {
+func verifyAppleFormat(att AttestationObject, clientDataHash []byte, _ metadata.Provider) (string, []any, error) {
Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
func verifyAppleFormat(att AttestationObject, clientDataHash []byte, _ metadata.Provider) (string, []any, error) {
func verifyAppleFormat(att AttestationObject, clientDataHash []byte, _ metadata.Provider) (string, []any, error) {
Tools
golangci-lint

34-34: block should not start with a whitespace

(wsl)

Comment on lines +49 to +61
func (p *Provider) GetEntry(ctx context.Context, aaguid uuid.UUID) (entry *metadata.Entry, err error) {
if p.mds == nil {
return nil, metadata.ErrNotInitialized
}

var ok bool

if entry, ok = p.mds[aaguid]; ok {
return entry, nil
}

return nil, nil
}
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Document exported methods and consider parameter usage.

Many methods in this file are exported but lack comments, which is not best practice in Go. Also, the ctx parameter is unused in several methods, consider removing it or documenting its intended use.

+ // GetEntry retrieves an entry based on the AAGUID provided.
func (p *Provider) GetEntry(ctx context.Context, aaguid uuid.UUID) (entry *metadata.Entry, err error) {
  if p.mds == nil {
    return nil, metadata.ErrNotInitialized
  }
  var ok bool
  if entry, ok = p.mds[aaguid]; ok {
    return entry, nil
  }
  return nil, nil
}

Committable suggestion was skipped due to low confidence.

Tools
golangci-lint

[warning] 49-49: exported: exported method Provider.GetEntry should have comment or be unexported

(revive)

@@ -38,7 +38,7 @@ func Test_verifySafetyNetFormat(t *testing.T) {

for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, got1, err := verifySafetyNetFormat(tt.args.att, tt.args.clientDataHash)
got, got1, err := verifySafetyNetFormat(tt.args.att, tt.args.clientDataHash, nil)
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Suggestion to improve Test_verifySafetyNetFormat: Use a mock provider instead of nil.

The addition of a nil argument to verifySafetyNetFormat indicates that the function now expects a metadata provider. For more effective testing, consider using a mock provider instead of nil.

- got, got1, err := verifySafetyNetFormat(tt.args.att, tt.args.clientDataHash, nil)
+ // Assuming `mockProvider` is a mocked implementation of `metadata.Provider`
+ got, got1, err := verifySafetyNetFormat(tt.args.att, tt.args.clientDataHash, mockProvider)
Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
got, got1, err := verifySafetyNetFormat(tt.args.att, tt.args.clientDataHash, nil)
// Assuming `mockProvider` is a mocked implementation of `metadata.Provider`
got, got1, err := verifySafetyNetFormat(tt.args.att, tt.args.clientDataHash, mockProvider)

Comment on lines +16 to +23
// WithPath sets the path name for the cached file. This option is REQUIRED.
func WithPath(name string) Option {
return func(provider *Provider) (err error) {
provider.name = name

return nil
}
}
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Add validation to WithPath.

The function sets a path name but does not validate it. Adding validation can prevent runtime errors and ensure that the path is valid.

+ if name == "" {
+   return fmt.Errorf("path name cannot be empty")
+ }

Committable suggestion was skipped due to low confidence.

Comment on lines +164 to +239
type AuthenticationAlgorithm string

const (
// ALG_SIGN_SECP256R1_ECDSA_SHA256_RAW is an ECDSA signature on the NIST secp256r1 curve which must have raw R and
// S buffers, encoded in big-endian order.
ALG_SIGN_SECP256R1_ECDSA_SHA256_RAW AuthenticationAlgorithm = "secp256r1_ecdsa_sha256_raw"

// ALG_SIGN_SECP256R1_ECDSA_SHA256_DER is a DER ITU-X690-2008 encoded ECDSA signature RFC5480 on the NIST secp256r1
// curve.
ALG_SIGN_SECP256R1_ECDSA_SHA256_DER AuthenticationAlgorithm = "secp256r1_ecdsa_sha256_der"

// ALG_SIGN_RSASSA_PSS_SHA256_RAW is a RSASSA-PSS RFC3447 signature must have raw S buffers, encoded in big-endian
// order RFC4055 RFC4056.
ALG_SIGN_RSASSA_PSS_SHA256_RAW AuthenticationAlgorithm = "rsassa_pss_sha256_raw"

// ALG_SIGN_RSASSA_PSS_SHA256_DER is a DER ITU-X690-2008 encoded OCTET STRING (not BIT STRING!) containing the
// RSASSA-PSS RFC3447 signature RFC4055 RFC4056.
ALG_SIGN_RSASSA_PSS_SHA256_DER AuthenticationAlgorithm = "rsassa_pss_sha256_der"

// ALG_SIGN_SECP256K1_ECDSA_SHA256_RAW is an ECDSA signature on the secp256k1 curve which must have raw R and S
// buffers, encoded in big-endian order.
ALG_SIGN_SECP256K1_ECDSA_SHA256_RAW AuthenticationAlgorithm = "secp256k1_ecdsa_sha256_raw"

// ALG_SIGN_SECP256K1_ECDSA_SHA256_DER is a DER ITU-X690-2008 encoded ECDSA signature RFC5480 on the secp256k1 curve.
ALG_SIGN_SECP256K1_ECDSA_SHA256_DER AuthenticationAlgorithm = "secp256k1_ecdsa_sha256_der"

// ALG_SIGN_SM2_SM3_RAW is a Chinese SM2 elliptic curve based signature algorithm combined with SM3 hash algorithm
// OSCCA-SM2 OSCCA-SM3.
ALG_SIGN_SM2_SM3_RAW AuthenticationAlgorithm = "sm2_sm3_raw"

// ALG_SIGN_RSA_EMSA_PKCS1_SHA256_RAW is the EMSA-PKCS1-v1_5 signature as defined in RFC3447.
ALG_SIGN_RSA_EMSA_PKCS1_SHA256_RAW AuthenticationAlgorithm = "rsa_emsa_pkcs1_sha256_raw"

// ALG_SIGN_RSA_EMSA_PKCS1_SHA256_DER is a DER ITU-X690-2008 encoded OCTET STRING (not BIT STRING!) containing the
// EMSA-PKCS1-v1_5 signature as defined in RFC3447.
ALG_SIGN_RSA_EMSA_PKCS1_SHA256_DER AuthenticationAlgorithm = "rsa_emsa_pkcs1_sha256_der"

// ALG_SIGN_RSASSA_PSS_SHA384_RAW is a RSASSA-PSS RFC3447 signature must have raw S buffers, encoded in big-endian
// order RFC4055 RFC4056.
ALG_SIGN_RSASSA_PSS_SHA384_RAW AuthenticationAlgorithm = "rsassa_pss_sha384_raw"

// ALG_SIGN_RSASSA_PSS_SHA512_RAW is a RSASSA-PSS RFC3447 signature must have raw S buffers, encoded in big-endian
// order RFC4055 RFC4056.
ALG_SIGN_RSASSA_PSS_SHA512_RAW AuthenticationAlgorithm = "rsassa_pss_sha512_raw"

// ALG_SIGN_RSASSA_PKCSV15_SHA256_RAW is a RSASSA-PKCS1-v1_5 RFC3447 with SHA256(aka RS256) signature must have raw
// S buffers, encoded in big-endian order RFC8017 RFC4056
ALG_SIGN_RSASSA_PKCSV15_SHA256_RAW AuthenticationAlgorithm = "rsassa_pkcsv15_sha256_raw"

// RSASSA-PKCS1-v1_5 RFC3447 with SHA384(aka RS384) signature must have raw S buffers, encoded in big-endian order RFC8017 RFC4056
ALG_SIGN_RSASSA_PKCSV15_SHA384_RAW AuthenticationAlgorithm = "rsassa_pkcsv15_sha384_raw"

// ALG_SIGN_RSASSA_PKCSV15_SHA512_RAW is a RSASSA-PKCS1-v1_5 RFC3447 with SHA512(aka RS512) signature must have raw
// S buffers, encoded in big-endian order RFC8017 RFC4056
ALG_SIGN_RSASSA_PKCSV15_SHA512_RAW AuthenticationAlgorithm = "rsassa_pkcsv15_sha512_raw"

// ALG_SIGN_RSASSA_PKCSV15_SHA1_RAW is a RSASSA-PKCS1-v1_5 RFC3447 with SHA1(aka RS1) signature must have raw S
// buffers, encoded in big-endian order RFC8017 RFC4056
ALG_SIGN_RSASSA_PKCSV15_SHA1_RAW AuthenticationAlgorithm = "rsassa_pkcsv15_sha1_raw"

// ALG_SIGN_SECP384R1_ECDSA_SHA384_RAW is an ECDSA signature on the NIST secp384r1 curve with SHA384(aka: ES384)
// which must have raw R and S buffers, encoded in big-endian order.
ALG_SIGN_SECP384R1_ECDSA_SHA384_RAW AuthenticationAlgorithm = "secp384r1_ecdsa_sha384_raw"

// ALG_SIGN_SECP521R1_ECDSA_SHA512_RAW is an ECDSA signature on the NIST secp512r1 curve with SHA512(aka: ES512)
// which must have raw R and S buffers, encoded in big-endian order.
ALG_SIGN_SECP521R1_ECDSA_SHA512_RAW AuthenticationAlgorithm = "secp521r1_ecdsa_sha512_raw"

// ALG_SIGN_ED25519_EDDSA_SHA512_RAW is an EdDSA signature on the curve 25519, which must have raw R and S buffers,
// encoded in big-endian order.
ALG_SIGN_ED25519_EDDSA_SHA512_RAW AuthenticationAlgorithm = "ed25519_eddsa_sha512_raw"

// ALG_SIGN_ED448_EDDSA_SHA512_RAW is an EdDSA signature on the curve Ed448, which must have raw R and S buffers,
// encoded in big-endian order.
ALG_SIGN_ED448_EDDSA_SHA512_RAW AuthenticationAlgorithm = "ed448_eddsa_sha512_raw"
)
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Follow Go naming conventions for constants.

In Go, it's recommended to use CamelCase instead of ALL_CAPS for naming variables and constants. This change will align with Go's naming conventions.

- ALG_SIGN_SECP256R1_ECDSA_SHA256_RAW AuthenticationAlgorithm = "secp256r1_ecdsa_sha256_raw"
+ AlgSignSecp256r1EcdsaSha256Raw AuthenticationAlgorithm = "secp256r1_ecdsa_sha256_raw"
- ALG_SIGN_SECP256R1_ECDSA_SHA256_DER AuthenticationAlgorithm = "secp256r1_ecdsa_sha256_der"
+ AlgSignSecp256r1EcdsaSha256Der AuthenticationAlgorithm = "secp256r1_ecdsa_sha256_der"
- ALG_SIGN_RSASSA_PSS_SHA256_RAW AuthenticationAlgorithm = "rsassa_pss_sha256_raw"
+ AlgSignRsassaPssSha256Raw AuthenticationAlgorithm = "rsassa_pss_sha256_raw"
- ALG_SIGN_RSASSA_PSS_SHA256_DER AuthenticationAlgorithm = "rsassa_pss_sha256_der"
+ AlgSignRsassaPssSha256Der AuthenticationAlgorithm = "rsassa_pss_sha256_der"
- ALG_SIGN_SECP256K1_ECDSA_SHA256_RAW AuthenticationAlgorithm = "secp256k1_ecdsa_sha256_raw"
+ AlgSignSecp256k1EcdsaSha256Raw AuthenticationAlgorithm = "secp256k1_ecdsa_sha256_raw"
- ALG_SIGN_SECP256K1_ECDSA_SHA256_DER AuthenticationAlgorithm = "secp256k1_ecdsa_sha256_der"
+ AlgSignSecp256k1EcdsaSha256Der AuthenticationAlgorithm = "secp256k1_ecdsa_sha256_der"
- ALG_SIGN_RSASSA_PSS_SHA384_RAW AuthenticationAlgorithm = "rsassa_pss_sha384_raw"
+ AlgSignRsassaPssSha384Raw AuthenticationAlgorithm = "rsassa_pss_sha384_raw"
- ALG_SIGN_RSASSA_PSS_SHA512_RAW AuthenticationAlgorithm = "rsassa_pss_sha512_raw"
+ AlgSignRsassaPssSha512Raw AuthenticationAlgorithm = "rsassa_pss_sha512_raw"
- ALG_SIGN_RSASSA_PKCSV15_SHA256_RAW AuthenticationAlgorithm = "rsassa_pkcsv15_sha256_raw"
+ AlgSignRsassaPkcsv15Sha256Raw AuthenticationAlgorithm = "rsassa_pkcsv15_sha256_raw"
- ALG_SIGN_RSASSA_PKCSV15_SHA384_RAW AuthenticationAlgorithm = "rsassa_pkcsv15_sha384_raw"
+ AlgSignRsassaPkcsv15Sha384Raw AuthenticationAlgorithm = "rsassa_pkcsv15_sha384_raw"
- ALG_SIGN_RSASSA_PKCSV15_SHA512_RAW AuthenticationAlgorithm = "rsassa_pkcsv15_sha512_raw"
+ AlgSignRsassaPkcsv15Sha512Raw AuthenticationAlgorithm = "rsassa_pkcsv15_sha512_raw"
- ALG_SIGN_RSASSA_PKCSV15_SHA1_RAW AuthenticationAlgorithm = "rsassa_pkcsv15_sha1_raw"
+ AlgSignRsassaPkcsv15Sha1Raw AuthenticationAlgorithm = "rsassa_pkcsv15_sha1_raw"
- ALG_SIGN_SECP384R1_ECDSA_SHA384_RAW AuthenticationAlgorithm = "secp384r1_ecdsa_sha384_raw"
+ AlgSignSecp384r1EcdsaSha384Raw AuthenticationAlgorithm = "secp384r1_ecdsa_sha384_raw"
- ALG_SIGN_SECP521R1_ECDSA_SHA512_RAW AuthenticationAlgorithm = "secp521r1_ecdsa_sha512_raw"
+ AlgSignSecp521r1EcdsaSha512Raw AuthenticationAlgorithm = "secp521r1_ecdsa_sha512_raw"
- ALG_SIGN_ED25519_EDDSA_SHA512_RAW AuthenticationAlgorithm = "ed25519_eddsa_sha512_raw"
+ AlgSignEd25519EddsaSha512Raw AuthenticationAlgorithm = "ed25519_eddsa_sha512_raw"
- ALG_SIGN_ED448_EDDSA_SHA512_RAW AuthenticationAlgorithm = "ed448_eddsa_sha512_raw"
+ AlgSignEd448EddsaSha512Raw AuthenticationAlgorithm = "ed448_eddsa_sha512_raw"
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type AuthenticationAlgorithm string
const (
// ALG_SIGN_SECP256R1_ECDSA_SHA256_RAW is an ECDSA signature on the NIST secp256r1 curve which must have raw R and
// S buffers, encoded in big-endian order.
ALG_SIGN_SECP256R1_ECDSA_SHA256_RAW AuthenticationAlgorithm = "secp256r1_ecdsa_sha256_raw"
// ALG_SIGN_SECP256R1_ECDSA_SHA256_DER is a DER ITU-X690-2008 encoded ECDSA signature RFC5480 on the NIST secp256r1
// curve.
ALG_SIGN_SECP256R1_ECDSA_SHA256_DER AuthenticationAlgorithm = "secp256r1_ecdsa_sha256_der"
// ALG_SIGN_RSASSA_PSS_SHA256_RAW is a RSASSA-PSS RFC3447 signature must have raw S buffers, encoded in big-endian
// order RFC4055 RFC4056.
ALG_SIGN_RSASSA_PSS_SHA256_RAW AuthenticationAlgorithm = "rsassa_pss_sha256_raw"
// ALG_SIGN_RSASSA_PSS_SHA256_DER is a DER ITU-X690-2008 encoded OCTET STRING (not BIT STRING!) containing the
// RSASSA-PSS RFC3447 signature RFC4055 RFC4056.
ALG_SIGN_RSASSA_PSS_SHA256_DER AuthenticationAlgorithm = "rsassa_pss_sha256_der"
// ALG_SIGN_SECP256K1_ECDSA_SHA256_RAW is an ECDSA signature on the secp256k1 curve which must have raw R and S
// buffers, encoded in big-endian order.
ALG_SIGN_SECP256K1_ECDSA_SHA256_RAW AuthenticationAlgorithm = "secp256k1_ecdsa_sha256_raw"
// ALG_SIGN_SECP256K1_ECDSA_SHA256_DER is a DER ITU-X690-2008 encoded ECDSA signature RFC5480 on the secp256k1 curve.
ALG_SIGN_SECP256K1_ECDSA_SHA256_DER AuthenticationAlgorithm = "secp256k1_ecdsa_sha256_der"
// ALG_SIGN_SM2_SM3_RAW is a Chinese SM2 elliptic curve based signature algorithm combined with SM3 hash algorithm
// OSCCA-SM2 OSCCA-SM3.
ALG_SIGN_SM2_SM3_RAW AuthenticationAlgorithm = "sm2_sm3_raw"
// ALG_SIGN_RSA_EMSA_PKCS1_SHA256_RAW is the EMSA-PKCS1-v1_5 signature as defined in RFC3447.
ALG_SIGN_RSA_EMSA_PKCS1_SHA256_RAW AuthenticationAlgorithm = "rsa_emsa_pkcs1_sha256_raw"
// ALG_SIGN_RSA_EMSA_PKCS1_SHA256_DER is a DER ITU-X690-2008 encoded OCTET STRING (not BIT STRING!) containing the
// EMSA-PKCS1-v1_5 signature as defined in RFC3447.
ALG_SIGN_RSA_EMSA_PKCS1_SHA256_DER AuthenticationAlgorithm = "rsa_emsa_pkcs1_sha256_der"
// ALG_SIGN_RSASSA_PSS_SHA384_RAW is a RSASSA-PSS RFC3447 signature must have raw S buffers, encoded in big-endian
// order RFC4055 RFC4056.
ALG_SIGN_RSASSA_PSS_SHA384_RAW AuthenticationAlgorithm = "rsassa_pss_sha384_raw"
// ALG_SIGN_RSASSA_PSS_SHA512_RAW is a RSASSA-PSS RFC3447 signature must have raw S buffers, encoded in big-endian
// order RFC4055 RFC4056.
ALG_SIGN_RSASSA_PSS_SHA512_RAW AuthenticationAlgorithm = "rsassa_pss_sha512_raw"
// ALG_SIGN_RSASSA_PKCSV15_SHA256_RAW is a RSASSA-PKCS1-v1_5 RFC3447 with SHA256(aka RS256) signature must have raw
// S buffers, encoded in big-endian order RFC8017 RFC4056
ALG_SIGN_RSASSA_PKCSV15_SHA256_RAW AuthenticationAlgorithm = "rsassa_pkcsv15_sha256_raw"
// RSASSA-PKCS1-v1_5 RFC3447 with SHA384(aka RS384) signature must have raw S buffers, encoded in big-endian order RFC8017 RFC4056
ALG_SIGN_RSASSA_PKCSV15_SHA384_RAW AuthenticationAlgorithm = "rsassa_pkcsv15_sha384_raw"
// ALG_SIGN_RSASSA_PKCSV15_SHA512_RAW is a RSASSA-PKCS1-v1_5 RFC3447 with SHA512(aka RS512) signature must have raw
// S buffers, encoded in big-endian order RFC8017 RFC4056
ALG_SIGN_RSASSA_PKCSV15_SHA512_RAW AuthenticationAlgorithm = "rsassa_pkcsv15_sha512_raw"
// ALG_SIGN_RSASSA_PKCSV15_SHA1_RAW is a RSASSA-PKCS1-v1_5 RFC3447 with SHA1(aka RS1) signature must have raw S
// buffers, encoded in big-endian order RFC8017 RFC4056
ALG_SIGN_RSASSA_PKCSV15_SHA1_RAW AuthenticationAlgorithm = "rsassa_pkcsv15_sha1_raw"
// ALG_SIGN_SECP384R1_ECDSA_SHA384_RAW is an ECDSA signature on the NIST secp384r1 curve with SHA384(aka: ES384)
// which must have raw R and S buffers, encoded in big-endian order.
ALG_SIGN_SECP384R1_ECDSA_SHA384_RAW AuthenticationAlgorithm = "secp384r1_ecdsa_sha384_raw"
// ALG_SIGN_SECP521R1_ECDSA_SHA512_RAW is an ECDSA signature on the NIST secp512r1 curve with SHA512(aka: ES512)
// which must have raw R and S buffers, encoded in big-endian order.
ALG_SIGN_SECP521R1_ECDSA_SHA512_RAW AuthenticationAlgorithm = "secp521r1_ecdsa_sha512_raw"
// ALG_SIGN_ED25519_EDDSA_SHA512_RAW is an EdDSA signature on the curve 25519, which must have raw R and S buffers,
// encoded in big-endian order.
ALG_SIGN_ED25519_EDDSA_SHA512_RAW AuthenticationAlgorithm = "ed25519_eddsa_sha512_raw"
// ALG_SIGN_ED448_EDDSA_SHA512_RAW is an EdDSA signature on the curve Ed448, which must have raw R and S buffers,
// encoded in big-endian order.
ALG_SIGN_ED448_EDDSA_SHA512_RAW AuthenticationAlgorithm = "ed448_eddsa_sha512_raw"
)
type AuthenticationAlgorithm string
const (
// AlgSignSecp256r1EcdsaSha256Raw is an ECDSA signature on the NIST secp256r1 curve which must have raw R and
// S buffers, encoded in big-endian order.
AlgSignSecp256r1EcdsaSha256Raw AuthenticationAlgorithm = "secp256r1_ecdsa_sha256_raw"
// AlgSignSecp256r1EcdsaSha256Der is a DER ITU-X690-2008 encoded ECDSA signature RFC5480 on the NIST secp256r1
// curve.
AlgSignSecp256r1EcdsaSha256Der AuthenticationAlgorithm = "secp256r1_ecdsa_sha256_der"
// AlgSignRsassaPssSha256Raw is a RSASSA-PSS RFC3447 signature must have raw S buffers, encoded in big-endian
// order RFC4055 RFC4056.
AlgSignRsassaPssSha256Raw AuthenticationAlgorithm = "rsassa_pss_sha256_raw"
// AlgSignRsassaPssSha256Der is a DER ITU-X690-2008 encoded OCTET STRING (not BIT STRING!) containing the
// RSASSA-PSS RFC3447 signature RFC4055 RFC4056.
AlgSignRsassaPssSha256Der AuthenticationAlgorithm = "rsassa_pss_sha256_der"
// AlgSignSecp256k1EcdsaSha256Raw is an ECDSA signature on the secp256k1 curve which must have raw R and S
// buffers, encoded in big-endian order.
AlgSignSecp256k1EcdsaSha256Raw AuthenticationAlgorithm = "secp256k1_ecdsa_sha256_raw"
// AlgSignSecp256k1EcdsaSha256Der is a DER ITU-X690-2008 encoded ECDSA signature RFC5480 on the secp256k1 curve.
AlgSignSecp256k1EcdsaSha256Der AuthenticationAlgorithm = "secp256k1_ecdsa_sha256_der"
// AlgSignRsassaPssSha384Raw is a RSASSA-PSS RFC3447 signature must have raw S buffers, encoded in big-endian
// order RFC4055 RFC4056.
AlgSignRsassaPssSha384Raw AuthenticationAlgorithm = "rsassa_pss_sha384_raw"
// AlgSignRsassaPssSha512Raw is a RSASSA-PSS RFC3447 signature must have raw S buffers, encoded in big-endian
// order RFC4055 RFC4056.
AlgSignRsassaPssSha512Raw AuthenticationAlgorithm = "rsassa_pss_sha512_raw"
// AlgSignRsassaPkcsv15Sha256Raw is a RSASSA-PKCS1-v1_5 RFC3447 with SHA256(aka RS256) signature must have raw
// S buffers, encoded in big-endian order RFC8017 RFC4056
AlgSignRsassaPkcsv15Sha256Raw AuthenticationAlgorithm = "rsassa_pkcsv15_sha256_raw"
// AlgSignRsassaPkcsv15Sha384Raw is a RSASSA-PKCS1-v1_5 RFC3447 with SHA384(aka RS384) signature must have raw S buffers, encoded in big-endian order RFC8017 RFC4056
AlgSignRsassaPkcsv15Sha384Raw AuthenticationAlgorithm = "rsassa_pkcsv15_sha384_raw"
// AlgSignRsassaPkcsv15Sha512Raw is a RSASSA-PKCS1-v1_5 RFC3447 with SHA512(aka RS512) signature must have raw
// S buffers, encoded in big-endian order RFC8017 RFC4056
AlgSignRsassaPkcsv15Sha512Raw AuthenticationAlgorithm = "rsassa_pkcsv15_sha512_raw"
// AlgSignRsassaPkcsv15Sha1Raw is a RSASSA-PKCS1-v1_5 RFC3447 with SHA1(aka RS1) signature must have raw S
// buffers, encoded in big-endian order RFC8017 RFC4056
AlgSignRsassaPkcsv15Sha1Raw AuthenticationAlgorithm = "rsassa_pkcsv15_sha1_raw"
// AlgSignSecp384r1EcdsaSha384Raw is an ECDSA signature on the NIST secp384r1 curve with SHA384(aka: ES384)
// which must have raw R and S buffers, encoded in big-endian order.
AlgSignSecp384r1EcdsaSha384Raw AuthenticationAlgorithm = "secp384r1_ecdsa_sha384_raw"
// AlgSignSecp521r1EcdsaSha512Raw is an ECDSA signature on the NIST secp512r1 curve with SHA512(aka: ES512)
// which must have raw R and S buffers, encoded in big-endian order.
AlgSignSecp521r1EcdsaSha512Raw AuthenticationAlgorithm = "secp521r1_ecdsa_sha512_raw"
// AlgSignEd25519EddsaSha512Raw is an EdDSA signature on the curve 25519, which must have raw R and S buffers,
// encoded in big-endian order.
AlgSignEd25519EddsaSha512Raw AuthenticationAlgorithm = "ed25519_eddsa_sha512_raw"
// AlgSignEd448EddsaSha512Raw is an EdDSA signature on the curve Ed448, which must have raw R and S buffers,
// encoded in big-endian order.
AlgSignEd448EddsaSha512Raw AuthenticationAlgorithm = "ed448_eddsa_sha512_raw"
)
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Gitleaks

214-214: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)


238-238: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)

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