Append SecureHeaders CSP value when upstream already provides CSP#4079
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lly835 wants to merge 1 commit intospring-cloud:mainfrom
Open
Append SecureHeaders CSP value when upstream already provides CSP#4079lly835 wants to merge 1 commit intospring-cloud:mainfrom
lly835 wants to merge 1 commit intospring-cloud:mainfrom
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Summary
SecureHeadersContent-Security-Policyvalue even when the upstream response already contains a CSP headerWhy
This makes CSP behavior consistent with the expected combined policy effect when both upstream services and Spring Cloud Gateway contribute CSP directives, while preserving existing behavior for other secure headers.
Closes #4065
Tests
JAVA_HOME=/opt/homebrew/opt/openjdk@21/libexec/openjdk.jdk/Contents/Home PATH="$JAVA_HOME/bin:$PATH" ./mvnw -pl spring-cloud-gateway-server-webflux -Dtest=SecureHeadersGatewayFilterFactoryUnitTests,SecureHeadersGatewayFilterFactoryTests test