KAFKA-20101: Support wildcard OAuth bearer URLs - #23052
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Allow the OAuth bearer URL allow-list to use * as an explicit opt-in for any URL. Keep wildcard semantics scoped to URLs so the file allow-list remains exact-match only, and document the security implication. Generated-by: OpenAI Codex (GPT-5) Signed-off-by: Yunseop Eom <62834176+lh0156@users.noreply.github.com>
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What
Support
org.apache.kafka.sasl.oauthbearer.allowed.urls=*as an explicit opt-in for allowing any OAuth bearer token or JWKS endpoint URL.The wildcard is scoped to the URL allow-list. The separate file allow-list remains exact-match only, so this change does not broaden
org.apache.kafka.sasl.oauthbearer.allowed.files.The system-properties documentation now explains the wildcard and its security implications.
Tests
testUrlWithWildcardAllowListfailed before the implementation.testUrlWithWildcardAllowListandtestFileAllowListDoesNotSupportWildcardpassed after the implementation../gradlew :clients:test --tests org.apache.kafka.common.security.oauthbearer.internals.secured.ConfigurationUtilsTest --no-build-cache --console=plain./gradlew :clients:test --no-build-cache --console=plain./gradlew :clients:checkstyleMain :clients:checkstyleTest :clients:spotbugsMain spotlessCheck --no-build-cache --console=plaingit diff --checkCloses KAFKA-20101