From c658df9e87d65b08d5482cf04489cb0532ff83dd Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Sat, 13 Oct 2012 10:50:35 -0400
Subject: [PATCH] Merge branch 'master' of https://github.com/Mrbytes/gitblit

---
 src/com/gitblit/models/UserModel.java |  334 ++++++++++++++++++++++++++++++++++++++++++++++++++-----
 1 files changed, 300 insertions(+), 34 deletions(-)

diff --git a/src/com/gitblit/models/UserModel.java b/src/com/gitblit/models/UserModel.java
index 0ede878..8b3fe82 100644
--- a/src/com/gitblit/models/UserModel.java
+++ b/src/com/gitblit/models/UserModel.java
@@ -17,11 +17,16 @@
 
 import java.io.Serializable;
 import java.security.Principal;
+import java.util.HashMap;
 import java.util.HashSet;
+import java.util.Map;
 import java.util.Set;
 
+import com.gitblit.Constants.AccessPermission;
 import com.gitblit.Constants.AccessRestrictionType;
 import com.gitblit.Constants.AuthorizationControl;
+import com.gitblit.Constants.Unused;
+import com.gitblit.utils.ArrayUtils;
 import com.gitblit.utils.StringUtils;
 
 /**
@@ -36,6 +41,8 @@
 
 	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;
@@ -44,8 +51,12 @@
 	public String emailAddress;
 	public boolean canAdmin;
 	public boolean canFork;
+	public boolean canCreate;
 	public boolean excludeFromFederation;
+	// retained for backwards-compatibility with RPC clients
+	@Deprecated
 	public final Set<String> repositories = new HashSet<String>();
+	public final Map<String, AccessPermission> permissions = new HashMap<String, AccessPermission>();
 	public final Set<TeamModel> teams = new HashSet<TeamModel>();
 
 	// non-persisted fields
@@ -54,6 +65,11 @@
 	public UserModel(String username) {
 		this.username = username;
 		this.isAuthenticated = true;
+	}
+
+	private UserModel() {
+		this.username = "$anonymous";
+		this.isAuthenticated = false;
 	}
 
 	/**
@@ -65,64 +81,269 @@
 	 */
 	@Deprecated
 	public boolean canAccessRepository(String repositoryName) {
-		return canAdmin || repositories.contains(repositoryName.toLowerCase())
+		return canAdmin() || repositories.contains(repositoryName.toLowerCase())
 				|| hasTeamAccess(repositoryName);
 	}
 
+	@Deprecated
+	@Unused
 	public boolean canAccessRepository(RepositoryModel repository) {
 		boolean isOwner = !StringUtils.isEmpty(repository.owner)
 				&& repository.owner.equals(username);
 		boolean allowAuthenticated = isAuthenticated && AuthorizationControl.AUTHENTICATED.equals(repository.authorizationControl);
-		return canAdmin || isOwner || repositories.contains(repository.name.toLowerCase())
+		return canAdmin() || isOwner || repositories.contains(repository.name.toLowerCase())
 				|| hasTeamAccess(repository.name) || allowAuthenticated;
 	}
 
+	@Deprecated
+	@Unused
 	public boolean hasTeamAccess(String repositoryName) {
 		for (TeamModel team : teams) {
-			if (team.hasRepository(repositoryName)) {
+			if (team.hasRepositoryPermission(repositoryName)) {
 				return true;
 			}
 		}
 		return false;
 	}
 	
-	public boolean canForkRepository(RepositoryModel repository) {
+	@Deprecated
+	@Unused
+	public boolean hasRepository(String name) {
+		return hasRepositoryPermission(name);
+	}
+
+	@Deprecated
+	@Unused
+	public void addRepository(String name) {
+		addRepositoryPermission(name);
+	}
+
+	@Deprecated
+	@Unused
+	public void removeRepository(String name) {
+		removeRepositoryPermission(name);
+	}
+	
+	/**
+	 * Returns true if the user has any type of specified access permission for
+	 * this repository.
+	 * 
+	 * @param name
+	 * @return true if user has a specified access permission for the repository
+	 */
+	public boolean hasRepositoryPermission(String name) {
+		String repository = AccessPermission.repositoryFromRole(name).toLowerCase();
+		if (permissions.containsKey(repository)) {
+			// exact repository permission specified
+			return true;
+		} else {
+			// search for regex permission match
+			for (String key : permissions.keySet()) {
+				if (name.matches(key)) {
+					AccessPermission p = permissions.get(key);
+					if (p != null) {
+						return true;
+					}
+				}
+			}
+		}
+		return false;
+	}
+	
+	/**
+	 * Adds a repository permission to the team.
+	 * <p>
+	 * Role may be formatted as:
+	 * <ul>
+	 * <li> myrepo.git <i>(this is implicitly RW+)</i>
+	 * <li> RW+:myrepo.git
+	 * </ul>
+	 * @param role
+	 */
+	public void addRepositoryPermission(String role) {
+		AccessPermission permission = AccessPermission.permissionFromRole(role);
+		String repository = AccessPermission.repositoryFromRole(role).toLowerCase();
+		repositories.add(repository);
+		permissions.put(repository, permission);
+	}
+	
+	public AccessPermission removeRepositoryPermission(String name) {
+		String repository = AccessPermission.repositoryFromRole(name).toLowerCase();
+		repositories.remove(repository);
+		return permissions.remove(repository);
+	}
+		
+	public void setRepositoryPermission(String repository, AccessPermission permission) {
+		permissions.put(repository.toLowerCase(), permission);
+	}
+
+	public AccessPermission getRepositoryPermission(RepositoryModel repository) {
+		if (canAdmin() || repository.isOwner(username) || repository.isUsersPersonalRepository(username)) {
+			return AccessPermission.REWIND;
+		}
+		if (AuthorizationControl.AUTHENTICATED.equals(repository.authorizationControl) && isAuthenticated) {
+			// AUTHENTICATED is a shortcut for authorizing all logged-in users RW access
+			return AccessPermission.REWIND;
+		}
+		
+		// determine best permission available based on user's personal permissions
+		// and the permissions of teams of which the user belongs
+		AccessPermission permission = AccessPermission.NONE;
+		if (permissions.containsKey(repository.name.toLowerCase())) {
+			// exact repository permission specified
+			AccessPermission p = permissions.get(repository.name.toLowerCase());
+			if (p != null) {
+				permission = p;
+			}
+		} else {
+			// search for regex permission match
+			for (String key : permissions.keySet()) {
+				if (repository.name.matches(key)) {
+					AccessPermission p = permissions.get(key);
+					if (p != null) {
+						permission = p;
+					}
+				}
+			}
+		}
+		
+		for (TeamModel team : teams) {
+			AccessPermission p = team.getRepositoryPermission(repository);
+			if (permission == null || p.exceeds(permission)) {
+				// use team permission
+				permission = p;
+			}
+		}
+		return permission;
+	}
+	
+	private boolean canAccess(RepositoryModel repository, AccessRestrictionType ifRestriction, AccessPermission requirePermission) {
+		if (repository.accessRestriction.atLeast(ifRestriction)) {
+			AccessPermission permission = getRepositoryPermission(repository);
+			return permission.atLeast(requirePermission);
+		}
+		return true;
+	}
+	
+	public boolean canView(RepositoryModel repository) {
+		return canAccess(repository, AccessRestrictionType.VIEW, AccessPermission.VIEW);
+	}
+
+	public boolean canClone(RepositoryModel repository) {
+		return canAccess(repository, AccessRestrictionType.CLONE, AccessPermission.CLONE);
+	}
+
+	public boolean canPush(RepositoryModel repository) {
+		if (repository.isFrozen) {
+			return false;
+		}
+		return canAccess(repository, AccessRestrictionType.PUSH, AccessPermission.PUSH);
+	}
+
+	public boolean canCreateRef(RepositoryModel repository) {
+		if (repository.isFrozen) {
+			return false;
+		}
+		return canAccess(repository, AccessRestrictionType.PUSH, AccessPermission.CREATE);
+	}
+
+	public boolean canDeleteRef(RepositoryModel repository) {
+		if (repository.isFrozen) {
+			return false;
+		}
+		return canAccess(repository, AccessRestrictionType.PUSH, AccessPermission.DELETE);
+	}
+
+	public boolean canRewindRef(RepositoryModel repository) {
+		if (repository.isFrozen) {
+			return false;
+		}
+		return canAccess(repository, AccessRestrictionType.PUSH, AccessPermission.REWIND);
+	}
+
+	public boolean canFork(RepositoryModel repository) {
+		if (repository.isUsersPersonalRepository(username)) {
+			// can not fork your own repository
+			return false;
+		}
+		if (canAdmin() || repository.isOwner(username)) {
+			return true;
+		}
+		if (!repository.allowForks) {
+			return false;
+		}
+		if (!isAuthenticated || !canFork()) {
+			return false;
+		}
+		return canClone(repository);
+	}
+	
+	public boolean canDelete(RepositoryModel model) {
+		return canAdmin() || model.isUsersPersonalRepository(username);
+	}
+	
+	public boolean canEdit(RepositoryModel model) {
+		return canAdmin() || model.isUsersPersonalRepository(username) || model.isOwner(username);
+	}
+	
+	/**
+	 * This returns true if the user has fork privileges or the user has fork
+	 * privileges because of a team membership.
+	 * 
+	 * @return true if the user can fork
+	 */
+	public boolean canFork() {
+		if (canFork) {
+			return true;
+		}
+		if (!ArrayUtils.isEmpty(teams)) {
+			for (TeamModel team : teams) {
+				if (team.canFork) {
+					return true;
+				}
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * This returns true if the user has admin privileges or the user has admin
+	 * privileges because of a team membership.
+	 * 
+	 * @return true if the user can admin
+	 */
+	public boolean canAdmin() {
 		if (canAdmin) {
 			return true;
 		}
-		if (!canFork) {
-			// user has been prohibited from forking
-			return false;
+		if (!ArrayUtils.isEmpty(teams)) {
+			for (TeamModel team : teams) {
+				if (team.canAdmin) {
+					return true;
+				}
+			}
 		}
-		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;
+		return false;
 	}
 
-	public boolean hasRepository(String name) {
-		return repositories.contains(name.toLowerCase());
-	}
-
-	public void addRepository(String name) {
-		repositories.add(name.toLowerCase());
-	}
-
-	public void removeRepository(String name) {
-		repositories.remove(name.toLowerCase());
+	/**
+	 * This returns true if the user has create privileges or the user has create
+	 * privileges because of a team membership.
+	 * 
+	 * @return true if the user can admin
+	 */
+	public boolean canCreate() {
+		if (canCreate) {
+			return true;
+		}
+		if (!ArrayUtils.isEmpty(teams)) {
+			for (TeamModel team : teams) {
+				if (team.canCreate) {
+					return true;
+				}
+			}
+		}
+		return false;
 	}
 
 	public boolean isTeamMember(String teamname) {
@@ -157,6 +378,23 @@
 		}
 		return displayName;
 	}
+	
+	public String getPersonalPath() {
+		return "~" + username;
+	}
+	
+	@Override
+	public int hashCode() {
+		return username.hashCode();
+	}
+	
+	@Override
+	public boolean equals(Object o) {
+		if (o instanceof UserModel) {
+			return username.equals(((UserModel) o).username);
+		}
+		return false;
+	}
 
 	@Override
 	public String toString() {
@@ -167,4 +405,32 @@
 	public int compareTo(UserModel o) {
 		return username.compareTo(o.username);
 	}
+	
+	/**
+	 * Returns true if the name/email pair match this user account.
+	 * 
+	 * @param name
+	 * @param email
+	 * @return true, if the name and email address match this account
+	 */
+	public boolean is(String name, String email) {
+		// at a minimum a usename or display name must be supplied
+		if (StringUtils.isEmpty(name)) {
+			return false;
+		}
+		boolean nameVerified = name.equalsIgnoreCase(username) || name.equalsIgnoreCase(getDisplayName());
+		boolean emailVerified = false;
+		if (StringUtils.isEmpty(emailAddress)) {
+			// user account has not specified an email address
+			// rely on username/displayname verification
+			emailVerified = true;
+		} else {
+			// user account has specified an email address
+			// require email address verification
+			if (!StringUtils.isEmpty(email)) {
+				emailVerified = email.equalsIgnoreCase(emailAddress);
+			}
+		}
+		return nameVerified && emailVerified;
+	}
 }

--
Gitblit v1.9.1