Added a new diagnostics command.

changelog.html

@@ -55,7 +55,8 @@ Upcoming changes</a>
 <!-- Record your changes in the trunk here. -->
 <div id="trunk" style="display:none"><!--=TRUNK-BEGIN=-->
 <ul class=image>
-  <li class=>
+  <li class=rfe>
+    Added a dignosis CLI command to report the current granted authorities.
 </ul>
 </div><!--=TRUNK-END=-->
 

core/src/main/java/hudson/cli/WhoAmICommand.java

+/*
+ * The MIT License
+ *
+ * Copyright (c) 2011, CloudBees, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package hudson.cli;
+
+import hudson.Extension;
+import jenkins.model.Jenkins;
+import org.acegisecurity.Authentication;
+import org.acegisecurity.GrantedAuthority;
+
+/**
+ * Report the current granted authorities
+ *
+ * @author Kohsuke Kawaguchi
+ */
+@Extension
+public class WhoAmICommand extends CLICommand {
+    @Override
+    public String getShortDescription() {
+        return "Reports your credential and permissions";
+    }
+
+    protected int run() {
+        Authentication a = Jenkins.getAuthentication();
+        stdout.println("Authenticated as :"+a.getName());
+        stdout.println("Authorities:");
+        for (GrantedAuthority ga : a.getAuthorities()) {
+            stdout.println("  "+ga.getAuthority());
+        }
+        return 0;
+    }
+}
+