Add tuuid (#189)

Co-authored-by: Chris Roche <[email protected]>
bufbuild · Apr 1, 2024 · 3e01074 · 3e01074
1 parent b13e5a7
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diff --git a/go.work.sum b/go.work.sum
@@ -4,6 +4,8 @@ github.com/golang/protobuf v1.5.0 h1:LUVKkCeviFUMKqHa4tXIIij/lbhnMbP7Fn5wKdKkRh4
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
 github.com/stretchr/objx v0.5.0 h1:1zr/of2m5FGMsad5YfcqgdqdWrIhu+EBEJRhR1U7z/c=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
+github.com/stretchr/objx v0.5.2 h1:xuMeJ0Sdp5ZMRXx/aWO6RZxdr3beISkG5/G/aIRr3pY=
+github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
 golang.org/x/mod v0.6.0 h1:b9gGHsz9/HhJ3HF5DHQytPpuwocVTChQJK3AvoLRD5I=
 golang.org/x/sys v0.1.0 h1:kunALQeHf1/185U1i0GOB/fy1IPRDDpuoOOqRReG57U=
 golang.org/x/tools v0.2.0 h1:G6AHpWxTMGY1KyEYoAQ5WTtIekUUvDNjan3ugu60JvE=

diff --git a/proto/protovalidate/buf/validate/validate.proto b/proto/protovalidate/buf/validate/validate.proto
@@ -3035,6 +3035,30 @@ message StringRules {
       }
     ];
 
+    // `tuuid` (trimmed UUID) specifies that the field value must be a valid UUID as
+    // defined by [RFC 4122](https://tools.ietf.org/html/rfc4122#section-4.1.2) with all dashes
+    // omitted. If the field value isn't a valid UUID without dashes, an error message
+    // will be generated.
+    //
+    // ```proto
+    // message MyString {
+    //   // value must be a valid trimmed UUID
+    //   string value = 1 [(buf.validate.field).string.tuuid = true];
+    // }
+    // ```
+    bool tuuid = 33 [
+      (priv.field).cel = {
+        id: "string.tuuid",
+        message: "value must be a valid trimmed UUID",
+        expression: "this == '' || this.matches('^[0-9a-fA-F]{32}$')",
+      },
+      (priv.field).cel = {
+        id: "string.tuuid_empty",
+        message: "value is empty, which is not a valid trimmed UUID",
+        expression: "this != ''",
+      }
+    ];
+
     // `ip_with_prefixlen` specifies that the field value must be a valid IP (v4 or v6)
     // address with prefix length. If the field value isn't a valid IP with prefix
     // length, an error message will be generated.