So what are trying to say is that i should explicitly add Content-type header in the message going out and that too before creating the signature?
Thanks, Rahul On Apr 29, 4:58 pm, Taylor Singletary <taylorsinglet...@twitter.com> wrote: > Since you're sending a status, you should be setting a Content-Type header > to indicate the type of payload -- it's best never to assume that a HTTP > server or a HTTP library will know how to understand a payload without being > explicitly told what kind of payload that is. The signature might be > mis-calculating on the Twitter side due to not including your parameters > when constructing it. > > Taylor Singletary > Developer Advocate, Twitterhttp://twitter.com/episod > > > > On Thu, Apr 29, 2010 at 1:36 PM, Rahul <rahul.jun...@gmail.com> wrote: > > Hello, > > > To answer your questions. The following is the body response i receive > > back > > > <?xml version="1.0" encoding="UTF-8"?> > > <hash> > > <request>/1/statuses/update.xml</request> > > <error>Incorrect signature</error> > > </hash> > > > Also, I am not setting any content type header at this point & I am > > using "POST" only for token negotiation. and have not tried any get > > restricted resource yet. I did try some but they seem to be public > > timeline etc which seems to be working good. > > > Any help on this is highly appreciated. > > > Thanks, > > Rahul > > > On Apr 29, 4:22 pm, Taylor Singletary <taylorsinglet...@twitter.com> > > wrote: > > > Hi Rahul, > > > > I'm trying to think of other reasons. We might be throwing the invalid > > > signature error in a case where the signature is not in fact invalid. > > > > How about requests are not of the type POST? Have you had a GET (other > > than > > > OAuth token negotiation steps) work for you? When you were doing the > > token > > > negotiation steps, were you using POSTs or GETs? When performing a POST, > > are > > > you setting your HTTP Content-Type header to > > > "application/x-www-form-urlencoded"? > > > > What's the exact response from the server? There's usually a payload > > > included with the response that may give more clarity to the error. We > > have > > > some upcoming enhancements to the OAuth implementation that will return > > to > > > you the "signature base string we calculated" which would be useful here > > > now.. > > > > Taylor Singletary > > > Developer Advocate, Twitterhttp://twitter.com/episod > > > > On Thu, Apr 29, 2010 at 1:12 PM, Rahul <rahul.jun...@gmail.com> wrote: > > > > Taylor, > > > > > A quick update on this. I tried generating the signature from my > > > > library and the page mentioned below they both seems tbe exactly the > > > > same..... > > > > >http://hueniverse.com/2008/10/beginners-guide-to-oauth-part-iv-signin. > > .. > > > > > What else can be the reason and how come twitter is responding with > > > > Incorrect Signature ? > > > > > Thanks, > > > > Rahul > > > > > On Apr 29, 1:19 pm, Rahul <rahul.jun...@gmail.com> wrote: > > > > > Taylor, > > > > > > Thanks for taking a look at it. and to answer your question yes I do > > > > > pass the status in the signature basetring. > > > > > > Also below is my string which i pass to the below mentioned toSign > > > > > variable. > > > > > > toSign: > > > > > POST&https%3A%2F%2Fapi.twitter.com%2F1%2Fstatuses > > > > > %2Fupdate.xml&oauth_consumer_key%xxxxxxxxxxxxxxx%26oauth_nonce > > > > > %3Df2756a360f610d375722ee97e4c2391f%26oauth_signature_method%3DHMAC- > > > > > SHA1%26oauth_timestamp%3D1272560943%26oauth_token%3D36554645- > > > > > xxxxxxxxxxxxxxxxxxx%26oauth_version%3D1.0%26status > > > > > %3Dhurrrrrrrrrrrrrray > > > > > > Mac mac = Mac.getInstance(HMAC_SHA1); > > > > > mac.init(key); > > > > > byte[] bytes = mac.doFinal(toSign.getBytes(UTF8)); > > > > > > and in the key i pass: consumerSecret + '&' + tokenSecret > > > > > > Thanks, > > > > > Rahul > > > > > > On Apr 29, 12:46 pm, Taylor Singletary <taylorsinglet...@twitter.com > > > > > > wrote: > > > > > > > Hi Rahul, > > > > > > > When you are POSTing to statuses/update.xml -- are you including > > the > > > > status > > > > > > that you are posting in your signature base string? As a > > URL-encoded > > > > > > parameter, it should be included in both your POST body and the > > > > signature > > > > > > base string (but not in the HTTP authorization header). > > > > > > > Taylor Singletary > > > > > > Developer Advocate, Twitterhttp://twitter.com/episod > > > > > > > On Thu, Apr 29, 2010 at 9:35 AM, Rahul <rahul.jun...@gmail.com> > > wrote: > > > > > > > Folks, > > > > > > > > I have been trying this and have already spent lot of time on > > this > > > > but > > > > > > > what i don't understand is how is getting the access token > > working > > > > and > > > > > > > post to update is not working when i am using the same signature > > > > > > > generation method for both the requests. > > > > > > > > Here is my complete scenario. > > > > > > > 1. fetch the request token > > > > > > > 2. redirect the user to the authurize page > > > > > > > 3. get the verifier from the new called back url > > > > > > > 4. getting the access token by passing oauth_token and > > auth_verifier > > > > > > > 5. create a new post request for update and sign the request with > > > > > > > HMAC.sign(toSign, consumerSecret + '&' + tokenSecret) > > > > > > > Note: toSign is the request with the following headers : > > > > > > > oauth_timestamp, oauth_signature_method, oauth_version, > > oauth_nonce, > > > > > > > oauth_consumer_key > > > > > > > 6. Send the request. > > > > > > > > Also if helpfull, i am using following values > > > > > > > oauth_nonce=MD5.hexHash(getTimestampInSeconds()) > > > > > > > oauth_signature_method=HMAC-SHA1 > > > > > > > oauth_version=1.0 > > > > > > > > I have verified most of the things and looks good to me, also > > there > > > > is > > > > > > > very less possibility of generating wrong signature as I have > > used > > > > the > > > > > > > same signature to get the access token and was able to > > successfully > > > > > > > receive it. > > > > > > > > Any pointers highly appreciated. > > > > > > > > Thanks, > > > > > > > Rahul
