Error 403 on Youtube Video Upload IOS - ios

Question

In my project wanna have a flow like this:
Users record short videos -> they upload the videos on my channel -> end
To achive this result i'm trying to work with the new Google APIs Client Library for Objective-C for REST. It has a poor documentation and the examples are for mac only. Anyway after many errors this is my code:
- (void)doAuthWithoutCodeExchange:(OIDServiceConfiguration *)configuration
clientID:(NSString *)clientID
clientSecret:(NSString *)clientSecret {
NSURL *redirectURI = [NSURL URLWithString:kRedirectURI];
// builds authentication request
OIDAuthorizationRequest *request =
[[OIDAuthorizationRequest alloc] initWithConfiguration:configuration
clientId:clientID
clientSecret:clientSecret
scopes:#[ OIDScopeOpenID, OIDScopeProfile ]
redirectURL:redirectURI
responseType:OIDResponseTypeCode
additionalParameters:nil];
// performs authentication request
AppDelegate *appDelegate = (AppDelegate *) [UIApplication sharedApplication].delegate;
[self logMessage:#"Initiating authorization request %#", request];
appDelegate.currentAuthorizationFlow =
[OIDAuthorizationService presentAuthorizationRequest:request
presentingViewController:self
callback:^(OIDAuthorizationResponse *_Nullable authorizationResponse,
NSError *_Nullable error) {
if (authorizationResponse) {
OIDAuthState *authState =
[[OIDAuthState alloc] initWithAuthorizationResponse:authorizationResponse];
[self setAuthState:authState];
[self logMessage:#"Authorization response with code: %#",
authorizationResponse.authorizationCode];
// could just call [self tokenExchange:nil] directly, but will let the user initiate it.
OIDTokenRequest *tokenExchangeRequest =
[_authState.lastAuthorizationResponse tokenExchangeRequest];
[self logMessage:#"Performing authorization code exchange with request [%#]",
tokenExchangeRequest];
[OIDAuthorizationService performTokenRequest:tokenExchangeRequest
callback:^(OIDTokenResponse *_Nullable tokenResponse,
NSError *_Nullable error) {
if (!tokenResponse) {
[self logMessage:#"Token exchange error: %#", [error localizedDescription]];
} else {
[self logMessage:#"Received token response with accessToken: %#", tokenResponse.accessToken];
}
[_authState updateWithTokenResponse:tokenResponse error:error];
GTMAppAuthFetcherAuthorization *gtmAuthorization =
[[GTMAppAuthFetcherAuthorization alloc] initWithAuthState:authState];
// Sets the authorizer on the GTLRYouTubeService object so API calls will be authenticated.
self.youTubeService.authorizer = gtmAuthorization;
// Serializes authorization to keychain in GTMAppAuth format.
[GTMAppAuthFetcherAuthorization saveAuthorization:gtmAuthorization
toKeychainForName:kGTMAppAuthKeychainItemName];
[self uploadVideoFile];
}];
} else {
[self logMessage:#"Authorization error: %#", [error localizedDescription]];
}
}];
}
This method cause this flow:
app send user to google login page in safari -> user log with his credentials -> after login, user is redirect back to my app -> the block success call the method UploadVideo.
This part of the flow seems to work correctly, i obtain a valid token as the log says. The second part is the video upload that consist in two main methods:
- (void)uploadVideoFile {
// Collect the metadata for the upload from the user interface.
// Status.
GTLRYouTube_VideoStatus *status = [GTLRYouTube_VideoStatus object];
status.privacyStatus = #"public";
// Snippet.
GTLRYouTube_VideoSnippet *snippet = [GTLRYouTube_VideoSnippet object];
snippet.title = #"title";
NSString *desc = #"description";
if (desc.length > 0) {
snippet.descriptionProperty = desc;
}
NSString *tagsStr = #"tags";
if (tagsStr.length > 0) {
snippet.tags = [tagsStr componentsSeparatedByString:#","];
}
GTLRYouTube_Video *video = [GTLRYouTube_Video object];
video.status = status;
video.snippet = snippet;
[self uploadVideoWithVideoObject:video
resumeUploadLocationURL:nil];
}
- (void)uploadVideoWithVideoObject:(GTLRYouTube_Video *)video
resumeUploadLocationURL:(NSURL *)locationURL {
NSURL *fileToUploadURL = [NSURL fileURLWithPath:self.VideoUrlCri.path];
NSError *fileError;
NSLog(#"step");
if (![fileToUploadURL checkPromisedItemIsReachableAndReturnError:&fileError]) {
NSLog(#"exit");
return;
}
// Get a file handle for the upload data.
NSString *filename = [fileToUploadURL lastPathComponent];
NSString *mimeType = [self MIMETypeForFilename:filename
defaultMIMEType:#"video/mp4"];
GTLRUploadParameters *uploadParameters =
[GTLRUploadParameters uploadParametersWithFileURL:fileToUploadURL
MIMEType:mimeType];
uploadParameters.uploadLocationURL = locationURL;
GTLRYouTubeQuery_VideosInsert *query =
[GTLRYouTubeQuery_VideosInsert queryWithObject:video
part:#"snippet,status"
uploadParameters:uploadParameters];
query.executionParameters.uploadProgressBlock = ^(GTLRServiceTicket *ticket,
unsigned long long numberOfBytesRead,
unsigned long long dataLength) {
NSLog(#"upload progress");
};
GTLRYouTubeService *service = self.youTubeService;
_uploadFileTicket = [service executeQuery:query
completionHandler:^(GTLRServiceTicket *callbackTicket,
GTLRYouTube_Video *uploadedVideo,
NSError *callbackError) {
if (callbackError == nil) {
NSLog(#"uploaded");
} else {
NSLog(#"error %#",callbackError);
}
}];
}
- (NSString *)MIMETypeForFilename:(NSString *)filename
defaultMIMEType:(NSString *)defaultType {
NSString *result = defaultType;
NSString *extension = [filename pathExtension];
CFStringRef uti = UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension,
(__bridge CFStringRef)extension, NULL);
if (uti) {
CFStringRef cfMIMEType = UTTypeCopyPreferredTagWithClass(uti, kUTTagClassMIMEType);
if (cfMIMEType) {
result = CFBridgingRelease(cfMIMEType);
}
CFRelease(uti);
}
return result;
}
I obtain a 403 error in NSLog(#"error %#",callbackError); and i can't see error details because the are something like :
data=<7b226572 726f7222 3a7b2265 72726f72 73223a5b 7b22646f 6d61696e 223a2267 6c6f6261 6c222c22 72656173 6f6e223a 22696e73 75666669 ... 61676522 3a22496e 73756666 69636965 6e742050 65726d69 7373696f 6e227d7d>}
In google api console i have created a Client Oauth for my application bundle and an API key, i use those values for my connection, it seems they works correctly because i obtain a valid token. Anyway, there someone who can help me or point me in the right direction about this error? Or there someone who knows a working example about a video upload for IOS and not for MAC ? There something weird in my code? I can't find any help in documentation or google