From c9afc9ed01dbc6b74ecb2734d2cd7ed943b5d643 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Sat, 07 Mar 2015 09:30:58 -0500
Subject: [PATCH] Merged #245 "Strip line breaks from pasted SSH keys"

---
 src/main/java/com/gitblit/auth/AuthenticationProvider.java |   64 ++++++++++++++++++++++++-------
 1 files changed, 49 insertions(+), 15 deletions(-)

diff --git a/src/main/java/com/gitblit/auth/AuthenticationProvider.java b/src/main/java/com/gitblit/auth/AuthenticationProvider.java
index b8aaf07..f6511ba 100644
--- a/src/main/java/com/gitblit/auth/AuthenticationProvider.java
+++ b/src/main/java/com/gitblit/auth/AuthenticationProvider.java
@@ -16,6 +16,7 @@
 package com.gitblit.auth;
 
 import java.io.File;
+import java.math.BigInteger;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -26,6 +27,9 @@
 import com.gitblit.manager.IUserManager;
 import com.gitblit.models.TeamModel;
 import com.gitblit.models.UserModel;
+import com.gitblit.utils.ArrayUtils;
+import com.gitblit.utils.DeepCopier;
+import com.gitblit.utils.StringUtils;
 
 public abstract class AuthenticationProvider {
 
@@ -68,28 +72,48 @@
 		return serviceName;
 	}
 
+	protected void setCookie(UserModel user, char [] password) {
+		// create a user cookie
+		if (StringUtils.isEmpty(user.cookie) && !ArrayUtils.isEmpty(password)) {
+			user.cookie = StringUtils.getSHA1(user.username + new String(password));
+		}
+	}
+
 	protected void updateUser(UserModel userModel) {
-		// TODO implement user model change detection
-		// account for new user and revised user
+		final UserModel userLocalDB = userManager.getUserModel(userModel.getName());
 
-		// username
-		// displayname
-		// email address
-		// cookie
+		// Establish the checksum of the current version of the user
+		final BigInteger userCurrentCheck = DeepCopier.checksum(userModel);
 
-		userManager.updateUserModel(userModel);
+		// Establish the checksum of the stored version of the user
+		final BigInteger userLocalDBcheck = DeepCopier.checksum(userLocalDB);
+
+		// Compare the checksums
+		if (!userCurrentCheck.equals(userLocalDBcheck)) {
+			// If mismatch, save the new instance.
+			userManager.updateUserModel(userModel);
+		}
 	}
 
 	protected void updateTeam(TeamModel teamModel) {
-		// TODO implement team model change detection
-		// account for new team and revised team
+		final TeamModel teamLocalDB = userManager.getTeamModel(teamModel.name);
 
-		// memberships
+		// Establish the checksum of the current version of the team
+		final BigInteger teamCurrentCheck = DeepCopier.checksum(teamModel);
 
-		userManager.updateTeamModel(teamModel);
+		// Establish the checksum of the stored version of the team
+		final BigInteger teamLocalDBcheck = DeepCopier.checksum(teamLocalDB);
+
+		// Compare the checksums
+		if (!teamCurrentCheck.equals(teamLocalDBcheck)) {
+			// If mismatch, save the new instance.
+			userManager.updateTeamModel(teamModel);
+		}
 	}
 
 	public abstract void setup();
+
+	public abstract void stop();
 
 	public abstract UserModel authenticate(String username, char[] password);
 
@@ -136,6 +160,11 @@
     	protected UsernamePasswordAuthenticationProvider(String serviceName) {
     		super(serviceName);
     	}
+
+    	@Override
+		public void stop() {
+
+		}
     }
 
     public static class NullProvider extends AuthenticationProvider {
@@ -146,6 +175,11 @@
 
 		@Override
 		public void setup() {
+
+		}
+
+		@Override
+		public void stop() {
 
 		}
 
@@ -161,22 +195,22 @@
 
 		@Override
 		public boolean supportsCredentialChanges() {
-			return false;
+			return true;
 		}
 
 		@Override
 		public boolean supportsDisplayNameChanges() {
-			return false;
+			return true;
 		}
 
 		@Override
 		public boolean supportsEmailAddressChanges() {
-			return false;
+			return true;
 		}
 
 		@Override
 		public boolean supportsTeamMembershipChanges() {
-			return false;
+			return true;
 		}
     }
 }

--
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