opt/tomcat/tomcat-6/src/main/java/flex/messaging/security/TomcatValve.java [87:125]:
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        if (principal != null)
            return;

        Session session = getSession(request, false);
        if (session == null)
            return;

        principal = session.getPrincipal();
        if (principal != null) {
            request.setAuthType(session.getAuthType());
            request.setUserPrincipal(principal);
        }
    }

    private boolean checkIfPathMatches(String path, String uri) {
        if (path == null) {
            // We need to use a slighly-weaker uri match for 4.1
            return (uri != null &&
                    (uri.indexOf(MESSAGEBROKER_MATCH) != -1 ||
                            uri.indexOf(AMF_MATCH) != -1 ||
                            uri.indexOf(GATEWAY_MATCH) != -1 ||
                            (CUSTOM_MATCH != null && uri.indexOf(CUSTOM_MATCH) != -1)));
        } else {
            return (path.startsWith(MESSAGEBROKER_MATCH) ||
                    path.startsWith(AMF_MATCH) ||
                    path.startsWith(GATEWAY_MATCH) ||
                    (CUSTOM_MATCH != null && path.startsWith(CUSTOM_MATCH)));
        }
    }

    public void addLifecycleListener(LifecycleListener listener) {
        // No-op.
    }

    public LifecycleListener[] findLifecycleListeners() {
        return null;
    }

    public void removeLifecycleListener(LifecycleListener listener) {
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opt/tomcat/tomcat-7/src/main/java/flex/messaging/security/Tomcat7Valve.java [104:142]:
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        if (principal != null)
            return;

        Session session = getSession(request, false);
        if (session == null)
            return;

        principal = session.getPrincipal();
        if (principal != null) {
            request.setAuthType(session.getAuthType());
            request.setUserPrincipal(principal);
        }
    }

    private boolean checkIfPathMatches(String path, String uri) {
        if (path == null) {
            // We need to use a slighly-weaker uri match for 4.1
            return (uri != null &&
                    (uri.indexOf(MESSAGEBROKER_MATCH) != -1 ||
                            uri.indexOf(AMF_MATCH) != -1 ||
                            uri.indexOf(GATEWAY_MATCH) != -1 ||
                            (CUSTOM_MATCH != null && uri.indexOf(CUSTOM_MATCH) != -1)));
        } else {
            return (path.startsWith(MESSAGEBROKER_MATCH) ||
                    path.startsWith(AMF_MATCH) ||
                    path.startsWith(GATEWAY_MATCH) ||
                    (CUSTOM_MATCH != null && path.startsWith(CUSTOM_MATCH)));
        }
    }

    public void addLifecycleListener(LifecycleListener listener) {
        // No-op.
    }

    public LifecycleListener[] findLifecycleListeners() {
        return null;
    }

    public void removeLifecycleListener(LifecycleListener listener) {
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