oidc: allow setting redirect server port#1768
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antonio-mazzini wants to merge 1 commit intosigstore:mainfrom
Open
oidc: allow setting redirect server port#1768antonio-mazzini wants to merge 1 commit intosigstore:mainfrom
antonio-mazzini wants to merge 1 commit intosigstore:mainfrom
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Add a redirect_port parameter to Issuer.identity_token so callers can bind the local OAuth redirect server to a fixed port. Useful for OIDC providers that require a pre-registered redirect URI without localhost port wildcards. Closes sigstore#1029 Signed-off-by: Antonio Mazzini <antoniomazzini55@gmail.com>
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Summary
Adds an optional
redirect_portargument toIssuer.identity_tokenso callers can bind the local OAuth redirect server to a fixed port
instead of always using an ephemeral one.
Some enterprise OIDC providers (and Microsoft Entra ID under certain
configurations) require a pre-registered redirect URI and do not allow
wildcards on
localhostports, which currently blockssigstore-pythonfrom being used in those environments.
cosignalready exposes a--oidc-redirect-urlflag that solves the same problem on the CLI side.The default of
0preserves the existing behaviour (OS-assigned port).Closes #1029
Test plan
make lint— ruff/mypy/bandit/interrogate greenpytest test/unit— 177 passed, no regressionstest_identity_token_passes_redirect_portverifiesthe parameter is forwarded to the OAuth flow