From b5798e1e6cf15da4eb33647190e127b53410c620 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Tue, 02 Jul 2013 14:49:06 -0400
Subject: [PATCH] Improvements to handling internal accounts (anonymous, federation user)

---
 src/main/java/com/gitblit/GitBlit.java |   33 +++++++++++++++++++++++++--------
 1 files changed, 25 insertions(+), 8 deletions(-)

diff --git a/src/main/java/com/gitblit/GitBlit.java b/src/main/java/com/gitblit/GitBlit.java
index 1f9a947..b6f7de4 100644
--- a/src/main/java/com/gitblit/GitBlit.java
+++ b/src/main/java/com/gitblit/GitBlit.java
@@ -725,6 +725,18 @@
 	}
 
 	/**
+	 * Returns true if the username represents an internal account
+	 * 
+	 * @param username
+	 * @return true if the specified username represents an internal account
+	 */
+	protected boolean isInternalAccount(String username) {
+		return !StringUtils.isEmpty(username)
+				&& (username.equalsIgnoreCase(Constants.FEDERATION_USER)
+						|| username.equalsIgnoreCase(UserModel.ANONYMOUS.username));
+	}
+
+	/**
 	 * Authenticate a user based on a username and password.
 	 * 
 	 * @see IUserService.authenticate(String, char[])
@@ -749,10 +761,7 @@
 			if (usernameDecoded.equalsIgnoreCase(Constants.FEDERATION_USER)) {
 				List<String> tokens = getFederationTokens();
 				if (tokens.contains(pw)) {
-					// the federation user is an administrator
-					UserModel federationUser = new UserModel(Constants.FEDERATION_USER);
-					federationUser.canAdmin = true;
-					return federationUser;
+					return getFederationUser();
 				}
 			}
 		}
@@ -839,6 +848,7 @@
 		if (principal != null) {
 			String username = principal.getName();
 			if (!StringUtils.isEmpty(username)) {
+				boolean internalAccount = isInternalAccount(username);
 				UserModel user = getUserModel(username);
 				if (user != null) {
 					// existing user
@@ -846,7 +856,8 @@
 					logger.debug(MessageFormat.format("{0} authenticated by servlet container principal from {1}",
 							user.username, httpRequest.getRemoteAddr()));
 					return user;
-				} else if (settings.getBoolean(Keys.realm.container.autoCreateAccounts, true)) {
+				} else if (settings.getBoolean(Keys.realm.container.autoCreateAccounts, false)
+						&& !internalAccount) {
 					// auto-create user from an authenticated container principal
 					user = new UserModel(username.toLowerCase());
 					user.displayName = username;
@@ -856,7 +867,7 @@
 					logger.debug(MessageFormat.format("{0} authenticated and created by servlet container principal from {1}",
 							user.username, httpRequest.getRemoteAddr()));
 					return user;
-				} else {
+				} else if (!internalAccount) {
 					logger.warn(MessageFormat.format("Failed to find UserModel for {0}, attempted servlet container authentication from {1}",
 							principal.getName(), httpRequest.getRemoteAddr()));
 				}
@@ -1024,6 +1035,13 @@
 		}
 		String usernameDecoded = decodeUsername(username);
 		return userService.deleteUser(usernameDecoded);
+	}
+	
+	protected UserModel getFederationUser() {
+		// the federation user is an administrator
+		UserModel federationUser = new UserModel(Constants.FEDERATION_USER);
+		federationUser.canAdmin = true;
+		return federationUser;
 	}
 
 	/**
@@ -2928,8 +2946,7 @@
 		String cloneUrl = sb.toString();
 
 		// Retrieve all available repositories
-		UserModel user = new UserModel(Constants.FEDERATION_USER);
-		user.canAdmin = true;
+		UserModel user = getFederationUser();
 		List<RepositoryModel> list = getRepositoryModels(user);
 
 		// create the [cloneurl, repositoryModel] map

--
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