Fix anonymous browsing of user profile page

src/com/gitblit/models/RepositoryModel.java

@@ -152,6 +152,10 @@ public class RepositoryModel implements Serializable, Comparable<RepositoryModel
 		return !StringUtils.isEmpty(originRepository);
 	}
 	
+	public boolean isOwner(String username) {
+		return owner != null && username != null && owner.equalsIgnoreCase(username);
+	}
+	
 	public boolean isPersonalRepository() {
 		return !StringUtils.isEmpty(projectPath) && projectPath.charAt(0) == '~';
 	}

src/com/gitblit/models/UserModel.java

@@ -59,7 +59,7 @@ public class UserModel implements Principal, Serializable, Comparable<UserModel>
 	}
 
 	private UserModel() {
-		this.username = "anonymous";
+		this.username = "$anonymous";
 		this.isAuthenticated = false;
 	}
 

src/com/gitblit/wicket/panels/ProjectRepositoryPanel.java

@@ -134,8 +134,11 @@ public class ProjectRepositoryPanel extends BasePanel {
 		}
 
 		UserModel user = GitBlitWebSession.get().getUser();
+		if (user == null) {
+			user = UserModel.ANONYMOUS;
+		}
 		Fragment repositoryLinks;
-		boolean showOwner = user != null && user.username.equalsIgnoreCase(entry.owner);
+		boolean showOwner = entry.isOwner(user.username);
 		// owner of personal repository gets admin powers
 		boolean showAdmin = isAdmin || entry.isUsersPersonalRepository(user.username);