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[Client] Add client ID metadata documents and a console authorization handler - #668
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chr-hertel wants to merge 4 commits into
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chr-hertel wants to merge 4 commits into
chr-hertel wants to merge 4 commits into
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The HTTP client gets decorated, so the transport keeps speaking plain PSR-18: AuthenticatingHttpClient authenticates every request and retries the ones the authenticator can act on. BearerToken sends a token you already have. A 401 or 403 now fails with an AuthorizationException that names the challenge, which connect() wraps in a ConnectionException without a retry.
Finds and validates the documents that say who guards an MCP server: protected resource metadata (RFC 9728) and authorization server metadata (RFC 8414 and OpenID Connect), plus the WWW-Authenticate challenge that points at them. All of it is @internal, since nothing uses it until the authenticator lands. Endpoints have to pass SecureUrl, and a document naming another issuer than it was fetched for is discarded.
Pass OAuth::forApplication('My App')->build() as `auth` and a client answers a
401 with discovery, client registration, the authorization code flow with PKCE
and a retry. It refreshes tokens, handles step-up challenges and refuses what a
hostile server could send.
Client id metadata documents, the console handler, client credentials,
private_key_jwt and cross-app access follow in their own changes, so their
conformance scenarios stay in the baselines.
… handler setClientMetadataUrl() uses a published document as the client id where the authorization server supports it, and otherwise registers as before. The URL has to be https with a path. ConsoleAuthorizationHandler prints the authorization URL and reads back the redirected URL, for a shell without a browser. It refuses a bare code, which would skip the state and iss checks.
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Fourth slice of the client authorization in chr-hertel#53. Builds on #666, so please only look at the last commit until that one is merged.
setClientMetadataUrl()uses a client ID metadata document as the client id where the authorization server supports it, otherwise the client registers as before. The URL needs https & a path, same check as the TypeScript SDK.ConsoleAuthorizationHandlerfor a remote shell or a container without a browser. It wants the whole redirected URL and refuses a bare code, which would skip thestate&isschecks.auth/basic-cimdleaves both conformance baselines with this. Machine grants come next.