add new class

iOSClient/Networking/NCNetworkingSync.h

@@ -14,5 +14,6 @@
 + (CCNetworking *)sharedNetworking;
 
 + (NSString *)lockEndToEndFolderEncrypted:(NSString *)user userID:(NSString *)userID password:(NSString *)password url:(NSString *)url fileID:(NSString *)fileID token:(NSString *)token delegate:(UIViewController *)delegate;
++ (NSError *)unlockEndToEndFolderEncrypted:(NSString *)user userID:(NSString *)userID password:(NSString *)password url:(NSString *)url fileID:(NSString *)fileID token:(NSString *)token delegate:(UIViewController *)delegate;
 
 @end

iOSClient/Networking/NCNetworkingSync.m

@@ -53,4 +53,34 @@
     return returnToken;
 }
 
++ (NSError *)unlockEndToEndFolderEncrypted:(NSString *)user userID:(NSString *)userID password:(NSString *)password url:(NSString *)url fileID:(NSString *)fileID token:(NSString *)token delegate:(UIViewController *)delegate
+{
+    OCCommunication *communication = [CCNetworking sharedNetworking].sharedOCCommunication;
+    __block NSError *returnError= nil;
+
+    dispatch_semaphore_t semaphore = dispatch_semaphore_create(0);
+    
+    [communication setCredentialsWithUser:user andUserID:userID andPassword:password];
+    [communication setUserAgent:[CCUtility getUserAgent]];
+    
+    [communication unlockEndToEndFolderEncrypted:[url stringByAppendingString:@"/"] fileID:fileID onCommunication:communication successRequest:^(NSHTTPURLResponse *response, NSString *redirectedServer) {
+        
+        dispatch_semaphore_signal(semaphore);
+        
+    } failureRequest:^(NSHTTPURLResponse *response, NSError *error, NSString *redirectedServer) {
+        
+        // Request trusted certificated
+        if ([error code] == NSURLErrorServerCertificateUntrusted)
+            [[CCCertificate sharedManager] presentViewControllerCertificateWithTitle:[error localizedDescription] viewController:delegate delegate:self];
+        
+        returnError = error;
+        dispatch_semaphore_signal(semaphore);
+    }];
+    
+    while (dispatch_semaphore_wait(semaphore, DISPATCH_TIME_NOW))
+        [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate dateWithTimeIntervalSinceNow:k_timeout_webdav]];
+    
+    return returnError;
+}
+
 @end