Keith Wall created QPID-4297:
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Summary: Broker should not rely on
Subject.getPrincipals.iterator().next() to find 'username principal'
Key: QPID-4297
URL: https://issues.apache.org/jira/browse/QPID-4297
Project: Qpid
Issue Type: Improvement
Components: Java Broker
Reporter: Keith Wall
Fix For: 0.19
The Broker uses the idiom Subject.getPrincipals.iterator().next() in a couple
of places to find the principal corresponding to the username of the logged on
user. This assumes that corresponding principal will always be returned
first. This may not be a safe assumption across different JVM providers,
different JVM versions or when running Qpid with a container.
This should be replaced by our utility methods
AuthenticatedPrincipal#getOptionalAuthenticatedPrincipalFromSubject and
AuthenticatedPrincipal#getAuthenticatedPrincipalFromSubject
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