Upoading Media no longer works

[vikzilla]

Thank you for sharing all of that. I also found that I could successfully upload text statuses, but only when uploading any media along with the tweet do I get the error.

At least you and I both know we’re not the only ones experiencing this issue. Hopefully we can get this addressed soon.

[albertcmartin]

I’m a bit concerned by the lack of staff response to this thread. Is this in the appropriate category or is there some other way to get some developer support here?

[vikzilla]

Yes, this is pretty concerning given the fact that multiple are experiencing the issue, which appears to be a bug on Twitter’s end. Disappointing…

[bonnell]

Authentication issues tend to be around the Twitter key being used or how it’s being initialized. Were your keys generated via Fabric or from apps.twitter.com?

[vikzilla]

I believe the keys were originally generated via apps.twitter.com. But we did use Fabric to install TwitterKit into our Xcode project.

[albertcmartin]

Mine were also generated from apps.twitter.com. I’ve attempted to re-generate the keys and use them in case it was an authentication issue but got the same error messages.

Again, the strange thing here is it does not appear to be an all-around authentication issue as all other endpoints are just fine. Uploading media is the only endpoint that fails. I can post a tweet without uploading media just fine using my existing keys.

[vikzilla]

What @albertcmartin says here is also true for me: I can successfully post text statuses, but when trying to upload media we get the error.

[albertcmartin]

@bonnell Any ideas here?

[chaselatta]

@albertcmartin @vikzilla The media upload endpoint requires a multipart/form-data request. OAuth is handled differently for this type of request so when you make the request the OAuth signature is invalid which is why you are getting the unauthenticated errors. To upload media you will need to alter your request to be a multipart-form upload and you will need to set your content type correctly before you send the request.

We will be exposing support for uploading media in a future update but I don’t have a timeframe for that yet.

[albertcmartin]

Thank you for the response. I am using the TWTRAPIClient to construct and send these requests. Specifically, for this upload I am using the following method:

- (NSURLRequest *)URLRequestWithMethod:(NSString *)method URL:(NSString *)URLString parameters:(twtr_nullable NSDictionary *)parameters error:(NSError **)error;

Am I able to make the appropriate changes to accommodate multipart/form encoding and content type with your API client or do I have to do this manually? Can you point me to documentation on how this applies specifically when working with the TWTRAPIClient on iOS?

I am a bit confused since this method was working without the additional encoding up until the early part of this year.

[vikzilla]

@chaselatta Is multipart/form-data a new requirement for uploading media? Because like @albertcmartin this was working fine a few months ago:

    let store = Twitter.sharedInstance().sessionStore
    
    if let userid = store.session()?.userID {
      
      let client = TWTRAPIClient(userID: userid) //we have this from calling logInWithCompletion() in the previous vc
      let imageData = UIImagePNGRepresentation(self.cardView.takeSnapshot())
      let uploadParams = ["media" : imageData!.base64EncodedStringWithOptions(NSDataBase64EncodingOptions.Encoding64CharacterLineLength)]
      let uploadRequest = client.URLRequestWithMethod(kTwitterPOSTmethod, URL: kTwitterUploadURL, parameters: uploadParams, error: nil)
      
      //First we upload the image via a request
      client.sendTwitterRequest(uploadRequest, completion: { (response, uploadResultData, error) -> Void in

Still getting the error:

Error Domain=TwitterAPIErrorDomain Code=32 “Request failed: unauthorized (401)” UserInfo={NSErrorFailingURLKey=https://upload.twitter.com/1.1/media/upload.json, NSLocalizedDescription=Request failed: unauthorized (401), NSLocalizedFailureReason=Twitter API error : Could not authenticate you. (code 32)}

[albertcmartin]

@chaselatta Any update here?

[vikzilla]

I’ve kept fiddling with it and same results

[chaselatta]

@albertcmartin I am not sure why it was working for you before but multipart form has always been a requirement for the media upload endpoint. Which version of TwitterKit were you using before you upgraded? We made some changes to our networking stack in version 1.11 so something might have broken if you were using a version which was older than that but we haven’t touched that code since then.

We are going to make our media upload function a public method in our next release so you can use that method when it is released.

[albertcmartin]

@chaselatta Thanks for the clarification. Any idea when we can expect the next release with the public media upload function?

[diegoalex]

I’m getting the same error.
I’ve just updated the Fabric twitter from 1.13 to 1.15.1 and started to get that error.

I already change my code to set the multidata but still getting the same error

[0] (null) “NSErrorFailingURLKey” : “https://upload.twitter.com/1.1/media/upload.json”
[1] (null) “NSLocalizedDescription” : “Request failed: unauthorized (401)”
[2] (null) “NSLocalizedFailureReason” : “Twitter API error : Could not authenticate you. (code 32)”

That’s my piece of code

Twitter.sharedInstance().logInWithCompletion { session, error in
            if (session != nil) {
                Log("signed in as \(session!.userName)")
                let client = TWTRAPIClient(userID: session!.userID)

                let data = UIImageJPEGRepresentation(image, 0.9)
                let imageString = data!.base64EncodedStringWithOptions(NSDataBase64EncodingOptions.Encoding64CharacterLineLength)
                
                var imgRequest = client.URLRequestWithMethod("POST", URL: "https://upload.twitter.com/1.1/media/upload.json", parameters: ["media":imageString], error: nil)

                //fix twitter image upload
                let mutableRequest: NSMutableURLRequest = imgRequest.mutableCopy() as! NSMutableURLRequest
                let boundary = self.generateBoundaryString(20)
                mutableRequest.setValue("multipart/form-data; boundary=\(boundary)", forHTTPHeaderField: "Content-Type")
    
                imgRequest = mutableRequest.copy() as! NSURLRequest
                
                SVProgressHUD.show()
                client.sendTwitterRequest(imgRequest, completion: { (response, data, error) -> Void in

                    //HERE WHERE I GET THE ERROR (response and data are nil)
                   (...)

                })

            }else{
                print("session error")
           
            }
        }

[EigenPuff]

I am seeing this exact same problem, albeit in a different language and platform (C# / Unity3D). I have valid tokens and I have double-checked about a dozen times the auth string and the signature and the documentation around both. Does anybody know of an example of media uploading from the past month and a half that does work?

[chaselatta]

@albertcmartin We have released version 2.0 of TwitterKit which contains the public upload function.

[vikzilla]

thank you

[niall]