From 9f5a860d1ecaebb80530fc22607d34fc80d8c09d Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Thu, 04 Oct 2012 08:04:49 -0400
Subject: [PATCH] Fixed duplicate entries in repository cache (issue 140)

---
 src/com/gitblit/models/UserModel.java |   46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 46 insertions(+), 0 deletions(-)

diff --git a/src/com/gitblit/models/UserModel.java b/src/com/gitblit/models/UserModel.java
index 8349bab..dd41df0 100644
--- a/src/com/gitblit/models/UserModel.java
+++ b/src/com/gitblit/models/UserModel.java
@@ -20,6 +20,7 @@
 import java.util.HashSet;
 import java.util.Set;
 
+import com.gitblit.Constants.AccessRestrictionType;
 import com.gitblit.Constants.AuthorizationControl;
 import com.gitblit.utils.StringUtils;
 
@@ -35,6 +36,8 @@
 
 	private static final long serialVersionUID = 1L;
 
+	public static final UserModel ANONYMOUS = new UserModel();
+	
 	// field names are reflectively mapped in EditUser page
 	public String username;
 	public String password;
@@ -42,6 +45,7 @@
 	public String displayName;
 	public String emailAddress;
 	public boolean canAdmin;
+	public boolean canFork;
 	public boolean excludeFromFederation;
 	public final Set<String> repositories = new HashSet<String>();
 	public final Set<TeamModel> teams = new HashSet<TeamModel>();
@@ -52,6 +56,11 @@
 	public UserModel(String username) {
 		this.username = username;
 		this.isAuthenticated = true;
+	}
+
+	private UserModel() {
+		this.username = "$anonymous";
+		this.isAuthenticated = false;
 	}
 
 	/**
@@ -83,6 +92,43 @@
 		}
 		return false;
 	}
+	
+	public boolean canViewRepository(RepositoryModel repository) {
+		if (canAdmin) {
+			return true;
+		}
+		if (repository.accessRestriction.atLeast(AccessRestrictionType.VIEW)) {
+			return canAccessRepository(repository);
+		}
+		return true;
+	}
+	
+	public boolean canForkRepository(RepositoryModel repository) {
+		if (canAdmin) {
+			return true;
+		}
+		if (!canFork) {
+			// user has been prohibited from forking
+			return false;
+		}
+		if (!isAuthenticated) {
+			// unauthenticated user model
+			return false;
+		}
+		if (("~" + username).equalsIgnoreCase(repository.projectPath)) {
+			// this repository is already a personal repository
+			return false;
+		}
+		if (!repository.allowForks) {
+			// repository prohibits forks
+			return false;
+		}
+		if (repository.accessRestriction.atLeast(AccessRestrictionType.CLONE)) {
+			return canAccessRepository(repository);
+		}
+		// repository is not clone-restricted
+		return true;
+	}
 
 	public boolean hasRepository(String name) {
 		return repositories.contains(name.toLowerCase());

--
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