add lockEndToEndFolderEncrypted

iOSClient/Networking/NCNetworkingSync.h

@@ -23,10 +23,13 @@
 
 - (NSError *)markEndToEndFolderEncrypted:(NSString *)user userID:(NSString *)userID password:(NSString *)password url:(NSString *)url fileID:(NSString *)fileID serverUrl:(NSString *)serverUrl token:(NSString  **)token;
 - (NSError *)deletemarkEndToEndFolderEncrypted:(NSString *)user userID:(NSString *)userID password:(NSString *)password url:(NSString *)url fileID:(NSString *)fileID serverUrl:(NSString *)serverUrl token:(NSString  **)token;
-- (void)getEndToEndMetadataWithUser:(NSString *)user userID:(NSString *)userID password:(NSString *)password url:(NSString *)url fileID:(NSString *)fileID success:(void (^)(NSString *encryptedMetadata))success failure:(void (^)(NSError *error))failure;
+
+- (void)getEndToEndMetadata:(NSString *)user userID:(NSString *)userID password:(NSString *)password url:(NSString *)url fileID:(NSString *)fileID success:(void (^)(NSString *encryptedMetadata))success failure:(void (^)(NSError *error))failure;
 - (NSError *)storeEndToEndMetadata:(NSString *)user userID:(NSString *)userID password:(NSString *)password url:(NSString *)url fileID:(NSString *)fileID metadata:(NSString *)metadata token:(NSString  **)token;
 - (NSError *)updateEndToEndMetadata:(NSString *)user userID:(NSString *)userID password:(NSString *)password url:(NSString *)url fileID:(NSString *)fileID metadata:(NSString *)metadata token:(NSString  **)token;
 - (NSError *)rebuildEndToEndMetadata:(NSString *)user userID:(NSString *)userID password:(NSString *)password url:(NSString *)url fileID:(NSString *)fileID metadata:(NSString *)metadata token:(NSString  **)token;
+
+- (NSError *)lockEndToEndFolderEncrypted:(NSString *)user userID:(NSString *)userID password:(NSString *)password url:(NSString *)url fileID:(NSString *)fileID token:(NSString **)token;
 - (NSError *)unlockEndToEndFolderEncrypted:(NSString *)user userID:(NSString *)userID password:(NSString *)password url:(NSString *)url fileID:(NSString *)fileID token:(NSString  *)token;
 
 - (NSError *)sendEndToEndMetadataOnServerUrl:(NSString *)serverUrl account:(NSString *)account user:(NSString *)user userID:(NSString *)userID password:(NSString *)password url:(NSString *)url token:(NSString **)token;

iOSClient/Networking/NCNetworkingSync.m

@@ -350,7 +350,7 @@
     return returnError;
 }
 
-- (void)getEndToEndMetadataWithUser:(NSString *)user userID:(NSString *)userID password:(NSString *)password url:(NSString *)url fileID:(NSString *)fileID success:(void (^)(NSString *encryptedMetadata))success failure:(void (^)(NSError *error))failure
+- (void)getEndToEndMetadata:(NSString *)user userID:(NSString *)userID password:(NSString *)password url:(NSString *)url fileID:(NSString *)fileID success:(void (^)(NSString *encryptedMetadata))success failure:(void (^)(NSError *error))failure
 {
     OCCommunication *communication = [CCNetworking sharedNetworking].sharedOCCommunication;
     
@@ -537,6 +537,39 @@
     return returnError;
 }
 
+- (NSError *)lockEndToEndFolderEncrypted:(NSString *)user userID:(NSString *)userID password:(NSString *)password url:(NSString *)url fileID:(NSString *)fileID token:(NSString **)token
+{
+    OCCommunication *communication = [CCNetworking sharedNetworking].sharedOCCommunication;
+    
+    __block NSError *returnError = nil;
+    __block NSString *returnToken = nil;
+
+    dispatch_semaphore_t semaphore = dispatch_semaphore_create(0);
+    
+    [communication setCredentialsWithUser:user andUserID:userID andPassword:password];
+    [communication setUserAgent:[CCUtility getUserAgent]];
+    
+    // LOCK
+    [communication lockEndToEndFolderEncrypted:[url stringByAppendingString:@"/"] fileID:fileID token:*token onCommunication:communication successRequest:^(NSHTTPURLResponse *response, NSString *token, NSString *redirectedServer) {
+        
+        // Write DB token
+        returnToken = token;
+        [[NCManageDatabase sharedInstance] setDirectoryE2ETokenLockWithFileID:fileID token:returnToken];
+        dispatch_semaphore_signal(semaphore);
+        
+    } failureRequest:^(NSHTTPURLResponse *response, NSError *error, NSString *redirectedServer) {
+        
+        returnError = [NSError errorWithDomain:@"com.nextcloud.nextcloud" code:response.statusCode userInfo:[NSDictionary dictionaryWithObject:[NSString stringWithFormat:@"Unlock folder error %d", (int)response.statusCode] forKey:NSLocalizedDescriptionKey]];
+        dispatch_semaphore_signal(semaphore);
+    }];
+    
+    while (dispatch_semaphore_wait(semaphore, DISPATCH_TIME_FOREVER))
+        [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate dateWithTimeIntervalSinceNow:k_timeout_webdav]];
+    
+    *token = returnToken;
+    return returnError;
+}
+
 - (NSError *)unlockEndToEndFolderEncrypted:(NSString *)user userID:(NSString *)userID password:(NSString *)password url:(NSString *)url fileID:(NSString *)fileID token:(NSString  *)token
 {
     OCCommunication *communication = [CCNetworking sharedNetworking].sharedOCCommunication;
@@ -580,7 +613,7 @@
         return [NSError errorWithDomain:@"com.nextcloud.nextcloud" code:k_CCErrorInternalError userInfo:[NSDictionary dictionaryWithObject:@"Serius internal error E2E Encryption not enabled" forKey:NSLocalizedDescriptionKey]];
     
     // exists a metadata on serverUrl ?
-    [[NCNetworkingSync sharedManager] getEndToEndMetadataWithUser:user userID:userID password:password url:url fileID:directory.fileID success:^(NSString *encryptedMetadata) {
+    [[NCNetworkingSync sharedManager] getEndToEndMetadata:user userID:userID password:password url:url fileID:directory.fileID success:^(NSString *encryptedMetadata) {
         
         if ([[NCEndToEndMetadata sharedInstance] decoderMetadata:encryptedMetadata privateKey:[CCUtility getEndToEndPrivateKey:account] serverUrl:serverUrl account:account url:url] == false)
             e2eError = [NSError errorWithDomain:@"com.nextcloud.nextcloud" code:k_CCErrorInternalError userInfo:[NSDictionary dictionaryWithObject:@"Serious internal error in decoding metadata" forKey:NSLocalizedDescriptionKey]];