Issues POSTing XML to OAuth and Signature Invalid with Ruby OAuth Gem
- by thynctank
[Cross-posted from the OAuth Ruby Google Group. If you couldn't help me there, don't worry bout it]
I'm working on integrating a project with TripIt's OAuth API
and am running into a weird issue.
I authenticate fine, I store and retrieve the token/secret for a given
user with no problem, I can even make GET requests to a number of
services using the gem. But when I try using the one service I need
POST for, I'm getting a 401 "invalid signature" response.
Perhaps I'm not understanding how to pass in data to the AccessToken's
post method, so here's a sample of my code:
xml = <<-XML
<Request>
<Trip>
<start_date>2008-12-09</start_date>
<end_date>2008-12-27</end_date>
<primary_location>New York, NY</primary_location>
</Trip>
</Request>
XML`
response = access_token.post('/v1/create', {:xml => xml},
{'Content-Type' => 'application/x-www-form-urlencoded'})
I've tried this with and without escaping the xml string before hand.
The guys at TripIt seemed to think that perhaps the xml param wasn't
getting included in the signature_base_string, but when I output that
(from lib/signature/base.rb) I see:
POST&https%3A%2F%2Fapi.tripit.com%2Fv1%2Fcreate&oauth_consumer_key
%3D%26oauth_nonce
%3Djs73Y9caeuffpmPVc6lqxhlFN3Qpj7OhLcfBTYv8Ww%26oauth_signature_method
%3DHMAC-SHA1%26oauth_timestamp%3D1252011612%26oauth_token
%3D%26oauth_version%3D1.0%26xml%3D%25253CRequest%25253E
%25250A%252520%252520%25253CTrip%25253E%25250A
%252520%252520%252520%252520%25253Cstart_date%25253E2008-12-09%25253C
%252Fstart_date%25253E%25250A
%252520%252520%252520%252520%25253Cend_date%25253E2008-12-27%25253C
%252Fend_date%25253E%25250A
%252520%252520%252520%252520%25253Cprimary_location%25253ENew
%252520York%252C%252520NY%25253C%252Fprimary_location%25253E%25250A
%252520%252520%25253C%252FTrip%25253E%25250A%25253C%252FRequest%25253E
%25250A
This seems to be correct to me.
I output signature (from the same file) and the output doesn't match
the oauth_signature param of the Auth header in lib/client/
net_http.rb. It's been URL-encoded in the auth header. Is this
correct?
Anyone know if the gem is broken/if there's a fix somewhere? I'm finding it hard to trace through some of the code.
