GUAC-932: Add permission filtering to recursive connection group query.

guacamole/src/main/java/org/glyptodon/guacamole/net/basic/rest/connectiongroup/ConnectionGroupRESTService.java

@@ -42,7 +42,10 @@ import org.glyptodon.guacamole.GuacamoleResourceNotFoundException;
 import org.glyptodon.guacamole.net.auth.Connection;
 import org.glyptodon.guacamole.net.auth.ConnectionGroup;
 import org.glyptodon.guacamole.net.auth.Directory;
+import org.glyptodon.guacamole.net.auth.User;
 import org.glyptodon.guacamole.net.auth.UserContext;
+import org.glyptodon.guacamole.net.auth.permission.ConnectionPermission;
+import org.glyptodon.guacamole.net.auth.permission.ObjectPermission;
 import org.glyptodon.guacamole.net.basic.rest.AuthProviderRESTExposure;
 import org.glyptodon.guacamole.net.basic.rest.HTTPException;
 import org.glyptodon.guacamole.net.basic.rest.auth.AuthenticationService;
@@ -85,6 +88,11 @@ public class ConnectionGroupRESTService {
      *     Whether the descendant connections and groups of the given
      *     connection group should also be retrieved.
      * 
+     * @param permission
+     *     The permission the current user must have for a connection or
+     *     connection group to be returned in the results, if any. If null
+     *     is specified, no filtering by permission will be performed.
+     *
      * @return
      *     The requested connection group, or null if no such connection group
      *     exists.
@@ -94,9 +102,10 @@ public class ConnectionGroupRESTService {
      *     or any of its descendants.
      */
     private APIConnectionGroup retrieveConnectionGroup(UserContext userContext,
-            String identifier, boolean includeDescendants)
+            String identifier, boolean includeDescendants, ObjectPermission.Type permission)
             throws GuacamoleException {
 
+        User self = userContext.self();
         ConnectionGroup rootGroup = userContext.getRootConnectionGroup();
         
         ConnectionGroup connectionGroup;
@@ -135,7 +144,9 @@ public class ConnectionGroupRESTService {
                 if (childConnection == null)
                     continue;
 
-                apiConnections.add(new APIConnection(childConnection));
+                // Filter based on permission, if requested
+                if (permission == null || self.hasPermission(new ConnectionPermission(permission, childIdentifier)))
+                    apiConnections.add(new APIConnection(childConnection));
 
             }
             
@@ -149,7 +160,7 @@ public class ConnectionGroupRESTService {
             for (String childIdentifier : groupDirectory.getIdentifiers()) {
 
                 // Pull current connection group - silently ignore if connection group was removed prior to read
-                APIConnectionGroup childConnectionGroup = retrieveConnectionGroup(userContext, childIdentifier, true);
+                APIConnectionGroup childConnectionGroup = retrieveConnectionGroup(userContext, childIdentifier, true, permission);
                 if (childConnectionGroup == null)
                     continue;
 
@@ -170,11 +181,18 @@ public class ConnectionGroupRESTService {
     /**
      * Gets an individual connection group.
      * 
-     * @param authToken The authentication token that is used to authenticate
+     * @param authToken
-     *                  the user performing the operation.
+     *     The authentication token that is used to authenticate the user
-     * @param connectionGroupID The ID of the ConnectionGroup.
+     *     performing the operation.
-     * @return The connection group.
+     * 
-     * @throws GuacamoleException If a problem is encountered while retrieving the connection group.
+     * @param connectionGroupID
+     *     The ID of the connection group to retrieve.
+     * 
+     * @return
+     *     The connection group, without any descendants.
+     *
+     * @throws GuacamoleException
+     *     If a problem is encountered while retrieving the connection group.
      */
     @GET
     @Path("/{connectionGroupID}")
@@ -185,7 +203,7 @@ public class ConnectionGroupRESTService {
         UserContext userContext = authenticationService.getUserContext(authToken);
 
         // Retrieve requested connection group only
-        APIConnectionGroup connectionGroup = retrieveConnectionGroup(userContext, connectionGroupID, false);
+        APIConnectionGroup connectionGroup = retrieveConnectionGroup(userContext, connectionGroupID, false, null);
         if (connectionGroup == null)
             throw new GuacamoleResourceNotFoundException("No such connection group: \"" + connectionGroupID + "\"");
 
@@ -201,10 +219,16 @@ public class ConnectionGroupRESTService {
      *     performing the operation.
      *
      * @param connectionGroupID
-     *     The ID of the ConnectionGroup.
+     *     The ID of the connection group to retrieve.
+     *
+     * @param permission
+     *     If specified, limit the returned list to only those connections and
+     *     connection groups for which the current user has the given
+     *     permission. Otherwise, all visible connections and connection groups
+     *     are returned.
      * 
      * @return
-     *     The connection group.
+     *     The requested connection group, including all descendants.
      *
      * @throws GuacamoleException
      *     If a problem is encountered while retrieving the connection group or
@@ -214,12 +238,14 @@ public class ConnectionGroupRESTService {
     @Path("/{connectionGroupID}/tree")
     @AuthProviderRESTExposure
     public APIConnectionGroup getConnectionGroupTree(@QueryParam("token") String authToken, 
-            @PathParam("connectionGroupID") String connectionGroupID) throws GuacamoleException {
+            @PathParam("connectionGroupID") String connectionGroupID,
+            @QueryParam("permission") ObjectPermission.Type permission)
+            throws GuacamoleException {
 
         UserContext userContext = authenticationService.getUserContext(authToken);
 
         // Retrieve requested connection group and all descendants
-        APIConnectionGroup connectionGroup = retrieveConnectionGroup(userContext, connectionGroupID, true);
+        APIConnectionGroup connectionGroup = retrieveConnectionGroup(userContext, connectionGroupID, true, permission);
         if (connectionGroup == null)
             throw new GuacamoleResourceNotFoundException("No such connection group: \"" + connectionGroupID + "\"");
 

guacamole/src/main/webapp/app/rest/services/connectionGroupService.js

@@ -32,22 +32,43 @@ angular.module('rest').factory('connectionGroupService', ['$http', 'authenticati
      * Makes a request to the REST API to get an individual connection group
      * and all descendants, returning a promise that provides the corresponding
      * @link{ConnectionGroup} if successful. Descendant groups and connections
-     * will be stored as children of that connection group.
+     * will be stored as children of that connection group. If a permission
+     * type is specified, the result will be filtering by that permission.
      * 
      * @param {String} [connectionGroupID=ConnectionGroup.ROOT_IDENTIFIER]
      *     The ID of the connection group to retrieve. If not provided, the
      *     root connection group will be retrieved by default.
      *     
+     * @param {String} [permissionType]
+     *     The permission type string of the permission that the current user
+     *     must have for a given connection or connection group to appear
+     *     within the result. Valid values are listed within
+     *     PermissionSet.ObjectType.
+     *
      * @returns {Promise.ConnectionGroup}
      *     A promise which will resolve with a @link{ConnectionGroup} upon
      *     success.
      */
-    service.getConnectionGroupTree = function getConnectionGroupTree(connectionGroupID) {
+    service.getConnectionGroupTree = function getConnectionGroupTree(connectionGroupID, permissionType) {
         
         // Use the root connection group ID if no ID is passed in
         connectionGroupID = connectionGroupID || ConnectionGroup.ROOT_IDENTIFIER;
 
-        return $http.get("api/connectionGroup/" + connectionGroupID + "/tree?token=" + authenticationService.getCurrentToken());
+        // Build HTTP parameters set
+        var httpParameters = {
+            token : authenticationService.getCurrentToken()
+        };
+
+        // Add permission filter if specified
+        if (permissionType)
+            httpParameters.permission = permissionType;
+
+        // Retrieve connection group 
+        return $http({
+            method  : 'GET',
+            url     : 'api/connectionGroup/' + encodeURIComponent(connectionGroupID) + '/tree',
+            params  : httpParameters
+        });
        
     };
     
@@ -69,7 +90,17 @@ angular.module('rest').factory('connectionGroupService', ['$http', 'authenticati
         // Use the root connection group ID if no ID is passed in
         connectionGroupID = connectionGroupID || ConnectionGroup.ROOT_IDENTIFIER;
         
-        return $http.get("api/connectionGroup/" + connectionGroupID + "?token=" + authenticationService.getCurrentToken());
+        // Build HTTP parameters set
+        var httpParameters = {
+            token : authenticationService.getCurrentToken()
+        };
+
+        // Retrieve connection group
+        return $http({
+            method  : 'GET',
+            url     : 'api/connectionGroup/' + encodeURIComponent(connectionGroupID),
+            params  : httpParameters
+        });
 
     };