Ok, this one might be useful for others as well. The application was registered as a client instead of a browser app. My app is an iPhone app but it uses the browser for the OAuth part, so it should have been browser type. Created a new app with the type set to browser and it works fine now.
On Jul 16, 2:52 pm, Meerlol <herman.mee...@gmail.com> wrote: > Hi All, > > I'm desperately trying to migrate to the OAuth API before the 16th of > august but the API is not working with me. The problem is a the > request_token stage of the flow. Whenever I add a oauth_callback > parameter to my request then the request fails with: "Failed to > validate oauth signature and token". But I have no clue what I'm doing > wrong. Maybe someone can see my error. Here is the needed info > > Method used: POST > > Signature base: POST&http%3A%2F%2Fapi.twitter.com%2Foauth > %2Frequest_token&oauth_callback%3Dhttp%253A%252F%252Fmeerlo.com > %252Ftest%26oauth_consumer_key%3DwWR1oJDLxIl5lqApKEVw%26oauth_nonce > %3D1279283600-0%26oauth_signature_method%3DHMAC-SHA1%26oauth_timestamp > %3D1279283600%26oauth_token%3D%26oauth_version%3D1.0 > > Authorization header: > Authorization: OAuth oauth_callback="http%3A%2F%2Fmeerlo.com%2Ftest", > oauth_consumer_key="wWR1oJDLxIl5lqApKEVw", oauth_nonce="1279283600-0", > oauth_signature_method="HMAC-SHA1", oauth_timestamp="1279283600", > oauth_token="", oauth_version="1.0", > oauth_signature="8qOZv7mNLs8vfwnD8UplzW84Lh4%3D" > > I know that I can leave out the oauth_token but that makes no > difference. Anyone got a clue? > > Regards, > Herman