Set "can admin" permission on LDAP users and teams correctlymerged--fixAdminRoleLDAP

The canAdmin permission is set on a LDAP user, when the user is listed
in `realm.ldap.admins` or is a member of a team listed in `realm.ldap.admins`.
This leads to inconsistent and surprising behaviour on the EditUser page
when clicking the "can admin" checkbox. Also, the "can admin" checkbox
is disabled, but not checked, for teams that are listed as admin teams.

The new behaviour implemented in this patch makes users and teams from
LDAP match local ones. That means:
* LDAP teams that are listed in `realm.ldap.admins` get the canAdmin
  property set if teams are maintained in LDAP.
* LDAP users that are listed in `realm.ldap.admins` get the canAdmin
  property set if teams are maintained in LDAP.
* LDAP users do not get the canAdmin property set, if they are only a
  member of a team listed in `realm.ldap.admins`.
* The `supportsRoleChanges` method for users and teams of the
  `LdapAuthProvider` unconditially returns false if teams are
  maintained in LDAP, not only for users and teams listed in
  `realm.ldap.admins`.
* Therefore, for all LDAP users and teams the "can admin" checkbox
  is always disabled if teams are maintained in LDAP.

1 files changed, 32 insertions, 12 deletions

diff --git a/src/main/java/com/gitblit/auth/LdapAuthProvider.java b/src/main/java/com/gitblit/auth/LdapAuthProvider.java
index e1dec48f..19fd4632 100644
--- a/src/main/java/com/gitblit/auth/LdapAuthProvider.java
+++ b/src/main/java/com/gitblit/auth/LdapAuthProvider.java
@@ -171,6 +171,8 @@ public class LdapAuthProvider extends UsernamePasswordAuthenticationProvider {
 							final Map<String, TeamModel> userTeams = new HashMap<String, TeamModel>();
 							for (UserModel user : ldapUsers.values()) {
 								for (TeamModel userTeam : user.teams) {
+									// Is this an administrative team?
+									setAdminAttribute(userTeam);
 									userTeams.put(userTeam.name, userTeam);
 								}
 							}
@@ -238,10 +240,7 @@ public class LdapAuthProvider extends UsernamePasswordAuthenticationProvider {
     public boolean supportsRoleChanges(UserModel user, Role role) {
     	if (Role.ADMIN == role) {
     		if (!supportsTeamMembershipChanges()) {
-    			List<String> admins = settings.getStrings(Keys.realm.ldap.admins);
-    			if (admins.contains(user.username)) {
-    				return false;
-    			}
+				return false;
     		}
     	}
         return true;
@@ -251,10 +250,7 @@ public class LdapAuthProvider extends UsernamePasswordAuthenticationProvider {
 	public boolean supportsRoleChanges(TeamModel team, Role role) {
 		if (Role.ADMIN == role) {
     		if (!supportsTeamMembershipChanges()) {
-    			List<String> admins = settings.getStrings(Keys.realm.ldap.admins);
-    			if (admins.contains("@" + team.name)) {
-    				return false;
-    			}
+				return false;
     		}
     	}
 		return true;
@@ -325,6 +321,8 @@ public class LdapAuthProvider extends UsernamePasswordAuthenticationProvider {
 
 							if (!supportsTeamMembershipChanges()) {
 								for (TeamModel userTeam : user.teams) {
+									// Is this an administrative team?
+									setAdminAttribute(userTeam);
 									updateTeam(userTeam);
 								}
 							}
@@ -355,10 +353,7 @@ public class LdapAuthProvider extends UsernamePasswordAuthenticationProvider {
 			if (!ArrayUtils.isEmpty(admins)) {
 				user.canAdmin = false;
 				for (String admin : admins) {
-					if (admin.startsWith("@") && user.isTeamMember(admin.substring(1))) {
-						// admin team
-						user.canAdmin = true;
-					} else if (user.getName().equalsIgnoreCase(admin)) {
+					if (user.getName().equalsIgnoreCase(admin)) {
 						// admin user
 						user.canAdmin = true;
 					}
@@ -367,6 +362,30 @@ public class LdapAuthProvider extends UsernamePasswordAuthenticationProvider {
 		}
 	}
 
+	/**
+	 * Set the canAdmin attribute for team retrieved from LDAP.
+	 * If we are not storing teams in LDAP and/or we have not defined any
+	 * administrator teams, then do not change the admin flag.
+	 *
+	 * @param team
+	 */
+	private void setAdminAttribute(TeamModel team) {
+		if (!supportsTeamMembershipChanges()) {
+			List<String> admins = settings.getStrings(Keys.realm.ldap.admins);
+			// if we have defined administrative teams, then set admin flag
+			// otherwise leave admin flag unchanged
+			if (!ArrayUtils.isEmpty(admins)) {
+				team.canAdmin = false;
+				for (String admin : admins) {
+					if (admin.startsWith("@") && team.name.equalsIgnoreCase(admin.substring(1))) {
+						// admin team
+						team.canAdmin = true;
+					}
+				}
+			}
+		}
+	}
+
 	private void setUserAttributes(UserModel user, SearchResultEntry userEntry) {
 		// Is this user an admin?
 		setAdminAttribute(user);
@@ -462,6 +481,7 @@ public class LdapAuthProvider extends UsernamePasswordAuthenticationProvider {
 					TeamModel teamModel = userManager.getTeamModel(teamName);
 					if (teamModel == null) {
 						teamModel = createTeamFromLdap(teamEntry);
+						setAdminAttribute(teamModel);
 						userManager.updateTeamModel(teamModel);
 					}
 				}