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Pragmatic Authentication Library: OK (Odnoklassniki) workflows

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Pragmatic Authentication Library: OK (Odnoklassniki) workflows

Collection of OK workflows for PAL.

1. OK Login (OAuth2 Authorization Code Grant) workflow

For details, read the OK documentation.

Options

You can configure the workflow by passing options below into pal:new/2 or pal:group/2 functions:

  • client_id (required) - The client ID obtained from the email after the application would be created.
  • client_secret (required) - The client secret obtained from the email after the application would be created.
  • redirect_uri (required) - The client redirection endpoint. After completing its interaction with the resource owner, the authorization server directs the resource owner's user-agent to this uri.
  • scope (optional) - A list of requested permissions.
  • request_options (optional) - Options for the hackney HTTP client.
  • includes (optional) - Parts of authentication schema to be processed by this workflow. All by default, [uid, credentials, info, extra, rules].

Application can be created on that page.

Input Data

  • code - The authorization code.
  • state - The state previously passed to the authentication provider.
  • error When request fails due to a missing, invalid, or mismatching redirection URI, or if the client identifier is missing or invalid.

Authentication Schema

An successful execution of pal:authenticate/{2,3} function returns the authentication schema below.

#{access_token => <<"...">>,
  token_type => <<"session">>,
  refresh_token => <<"...">>,
  expires_in => 1800}

See a complete example with PAL and Cowboy HTTP server here.

2. OK User (user's profile data) workflow

Options

You can configure the workflow by passing options below into pal:new/2 or pal:group/2 functions:

  • application_key (required) - The application key obtained from the email after the application would be created.
  • request_options (optional) - Options for the hackney HTTP client.
  • includes (optional) - Parts of authentication schema to be processed by this workflow. All by default, [uid, credentials, info, extra, rules].

Application can be created on that page.

Input Data

  • access_token - The access token obtained using the pal_ok_oauth2_authcode workflow.

Authentication Schema

An successful execution of pal:authenticate/{2,3} function returns the authentication schema below.

#{uid => <<"...">>,
  info =>
    #{name => <<"John Doe">>,
      first_name => <<"John">>,
      last_name => <<"Doe">>,
      gender => <<"male">>,
      email => <<"[email protected]">>,
      image => <<"https://i508.mycdn.me/image...">>,
      uri => <<"https://ok.ru/profile...">>}}

See a complete example with PAL and Cowboy HTTP server here.

License

The source code is provided under the terms of the MIT license.