Have just uploaded to Twitpic all correct! Adding one single letter solves the problem. Name for the service provider header should be:
"X-OAuth-Service-Provider" and not "X-Auth-Service-Provider" as it stated here http://dev.twitter.com/pages/oauth_echo and here http://dev.twitter.com/pages/oauth_echo --Choock On 8 фев, 00:43, Choock <d.cho...@gmail.com> wrote: > Hello all, > > can anybody help me with TwitPic please? Just cannot figure out what > am I doing wrong :( > > I'm trying to upload a pic making POST request > tohttp://api.twitpic.com/2/upload.json > To do this I create required header mocking GET and signing it: > > HttpGet oauth_get = new HttpGet("https://api.twitter.com/1/account/ > verify_credentials.json"); > signer.signRequest(oauth_get); > > (using Commons httpclient 4.1 and signpost) > > Then I cut out and modify header as required by TwitPic: > > String get_value = > oauth_get.getFirstHeader("Authorization").getValue(); > get_value = get_value.replaceFirst("OAuth ","OAuth realm= > \"http://api.twitter.com/\";, "); > > Then I create actual POST request, add required headers and paramenets > (key,message, file): > > HttpPost method = new HttpPost("http://api.twitpic.com/2/ > upload.json"); > method.setHeader("X-Verify-Credentials- > Authorization",get_value); > method.setHeader("X-Auth-Service-Provider","https:// > api.twitter.com/1/account/verify_credentials.json"); > MultipartEntity entity; > FileBody media = new FileBody(pic,"image/png"); > > entity = new > MultipartEntity(null,null,Charset.forName("UTF-8")); > entity.addPart("media",media); > try > { > for(NameValuePair pair:params) > { > entity.addPart(pair.getName(),new > StringBody(pair.getValue(),Charset.forName("UTF-8"))); > } > method.setEntity(entity); > } > catch(UnsupportedEncodingException e) > { > logger.log(Level.WARNING, e.toString()); > } > return method; > > And then I send the request (method). Here is what I receive: > > WARNING: Authentication error: Unable to respond to any of these > challenges: {} > and right after 401 error code. > > It is important that direct call to Twitter for verification: > > HttpGet method = new HttpGet("https://api.twitter.com/1/account/ > verify_credentials.json"); > signer.signRequest(method); > return method; > > returns OK what means all authentification parameters correct. So, it > is the header for TwitPic. Can anybody point out what's wrong with how > am I creating it? > > Thank you. -- Twitter developer documentation and resources: http://dev.twitter.com/doc API updates via Twitter: http://twitter.com/twitterapi Issues/Enhancements Tracker: http://code.google.com/p/twitter-api/issues/list Change your membership to this group: http://groups.google.com/group/twitter-development-talk
