Changeset 7909

Timestamp:

05/25/12 15:29:44 (12 years ago)

Author:

ascheibe

Message:

#1648 added a method for checking if a user is a member of a list of groups

Location:

branches/ClientUserManagement/HeuristicLab.Services.Access/3.3

Files:

• Interfaces/IUserManager.cs (modified) (2 diffs)
• UserManager.cs (modified) (2 diffs)

branches/ClientUserManagement/HeuristicLab.Services.Access/3.3/Interfaces/IUserManager.cs

@@ -21 +21 @@
 
 using System;
+using System.Collections.Generic;
 using System.Web.Security;
 
@@ -29 +30 @@
     MembershipUser GetUserByName(string username);
     MembershipUser GetUserById(Guid userId);
+    bool VerifyUser(Guid userId, List<Guid> allowedUserGroups);
   }
 }

branches/ClientUserManagement/HeuristicLab.Services.Access/3.3/UserManager.cs

@@ -21 +21 @@
 
 using System;
+using System.Collections.Generic;
+using System.Linq;
 using System.Web.Security;
+using DA = HeuristicLab.Services.Access.DataAccess;
 
 namespace HeuristicLab.Services.Access {
@@ -40 +43 @@
       return Membership.GetUser(userId);
     }
+
+    public bool VerifyUser(Guid userId, List<Guid> allowedUserGroups) {
+      List<DA.UserGroupUserGroup> userGroupBases;
+      List<DA.UserGroup> groups;
+      Dictionary<Guid, Guid> ugMapping = new Dictionary<Guid, Guid>();
+
+      if (allowedUserGroups.Contains(userId)) return true;
+
+      using (DA.AccessServiceDataContext context = new DA.AccessServiceDataContext()) {
+        userGroupBases = context.UserGroupUserGroups.ToList();
+        groups = context.UserGroupBases.OfType<DA.UserGroup>().ToList();
+      }
+
+      foreach (var ugug in userGroupBases) {
+        ugMapping[ugug.UserGroupId] = ugug.UserGroupUserGroupId;
+      }
+
+      foreach (Guid guid in allowedUserGroups) {
+        if (CheckInGroupHierarchy(userId, guid, ugMapping, groups)) return true;
+      }
+      return false;
+    }
+
+    private bool CheckInGroupHierarchy(Guid userId, Guid group, Dictionary<Guid, Guid> ugMapping, List<DA.UserGroup> groups) {
+      //check all subgroups
+      var childs = ugMapping.Where(x => x.Value == group).Select(x => x.Key);
+      var childGroups = childs.Where(x => groups.Where(y => y.Id == x).Count() > 0).ToList();
+      //also check if user is in group
+      childGroups.Add(group);
+
+      foreach (Guid id in childGroups) {
+        if (ugMapping.Where(x => x.Value == id).Select(x => x.Key).Contains(userId)) {
+          return true;
+        }
+      }
+      return false;
+    }
   }
 }