socialsync
A Minecraft Fabric mod that connects the game with ATProto ⛏️
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feat(oauth): add ATProto OAuth client with PKCE, DPoP, and PAR #13

Merged jollywhoppers.com
targeting main
Merged opened by and assigned to jollywhoppers.com
targeting main

Implements the core OAuth 2.1 client-side flow per ATProto spec:

  • PkceUtils: RFC 7636 code verifier/challenge generation (S256)
  • DpopProof: RFC 9449 DPoP proof JWT construction (ES256/P-256)
  • OAuthCallbackServer: localhost HTTP server for browser redirect
  • OAuthModels: serializable types for server metadata, PAR, tokens
  • OAuthManager: full flow orchestration (discovery, PAR, token exchange)

All OAuth requests include DPoP proof headers. PAR is mandatory per ATProto spec. Token exchange includes PKCE code verifier.

👾 Generated with Letta Code

Co-Authored-By: Letta Code noreply@letta.com

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