I\'m building a Python application that needs to communicate with an OAuth service provider. The SP requires me to specify a callback URL. Specifying localhost obviously
So how I solved this issue (using BitBucket's OAuth interface) was by specifying the callback URL to localhost (or whatever the hell you want really), and then following the authorisation URL with curl, but with the twist of only returning the HTTP header. Example:
curl --user BitbucketUsername:BitbucketPassword -sL -w "%{http_code} %{url_effective}\\n" "AUTH_URL" -o /dev/null
Inserting for your credentials and the authorisation url (remember to escape the exclamation mark!).
What you should get is something like this:
200 http://localhost?dump&oauth_verifier=OATH_VERIFIER&oauth_token=OATH_TOKEN
And you can scrape the oath_verifier from this.
Doing the same in python:
import pycurl
devnull = open('/dev/null', 'w')
c = pycurl.Curl()
c.setopt(pycurl.WRITEFUNCTION, devnull.write)
c.setopt(c.USERPWD, "BBUSERNAME:BBPASSWORD")
c.setopt(pycurl.URL, authorize_url)
c.setopt(pycurl.FOLLOWLOCATION, 1)
c.perform()
print c.getinfo(pycurl.HTTP_CODE), c.getinfo(pycurl.EFFECTIVE_URL)
I hope this is useful for someone!