Re: [tor-bugs] #11231 [BridgeDB]: BridgeDB's txrecaptcha returns the "No bridges available!" page if 'captcha_response_field' is blank

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#11231: BridgeDB's txrecaptcha returns the "No bridges available!" page if
'captcha_response_field' is blank
--------------------------+--------------------------------------------
     Reporter:  isis      |      Owner:  isis
         Type:  defect    |     Status:  needs_review
     Priority:  blocker   |  Milestone:
    Component:  BridgeDB  |    Version:
   Resolution:            |   Keywords:  bridgedb-0.1.6, bridgedb-https
Actual Points:            |  Parent ID:
       Points:            |
--------------------------+--------------------------------------------
Changes (by isis):

 * status:  new => needs_review


Comment:

 The unittests and fixes for this ticket are in my [ branch] and my [
 branch]. 99% of the work is creating unittests, however there is a bugfix
 in commit acf37dc00b4d9e2b8e3619a56f1711bb503d9e5b for the problem
 mentioned in this ticket's description.

 The other bugfix is in commit b4f88aded4fd6cc60be0129e1b6d0bd708d392c7 and
 makes the following changes:
 {{{
 Author:     Isis Lovecruft <isis@xxxxxxxxxxxxxx>
 | AuthorDate: 6 hours ago
 | Commit:     Isis Lovecruft <isis@xxxxxxxxxxxxxx>
 | CommitDate: 6 hours ago
 |
 |     Fix txrecaptcha.submit() to always return Deferreds.
 |
 |     All returned Deferreds callback with RecaptchaResponse objects. This
 |     way, we do not need additional code to check if the result was a
 |     Deferred (because, in that case, we would need to add a callback
 |     function to extract the RecaptchaResponse object from it and check
 it),
 |     or if it directly returned a RecaptchaResponse.
 |
 |     This function now *always* returns Deferred.
 | ---
 |  lib/bridgedb/txrecaptcha.py | 12 ++++++------
 |  1 file changed, 6 insertions(+), 6 deletions(-)
 |
 | diff --git a/lib/bridgedb/txrecaptcha.py b/lib/bridgedb/txrecaptcha.py
 | index e1e3234..2185112 100644
 | --- a/lib/bridgedb/txrecaptcha.py
 | +++ b/lib/bridgedb/txrecaptcha.py
 | @@ -213,12 +213,12 @@ def submit(recaptcha_challenge_field,
 recaptcha_response_field,
 |      :returns: A :api:`~twisted.internet.defer.Deferred` which will
 callback
 |          with a ``recaptcha.RecaptchaResponse`` for the request.
 |      """
 | -    if not (recaptcha_response_field and
 | -            recaptcha_challenge_field and
 | -            len(recaptcha_response_field) and
 | -            len(recaptcha_challenge_field)):
 | -        return RecaptchaResponse(is_valid=False,
 | -                                 error_code='incorrect-captcha-sol')
 | +    if not (recaptcha_response_field and len(recaptcha_response_field)
 and
 | +            recaptcha_challenge_field and
 len(recaptcha_challenge_field)):
 | +        d = defer.Deferred()
 | +        d.addBoth(_ebRequest)  # We want `is_valid=False`
 | +        d.errback(failure.Failure(ValueError('incorrect-captcha-sol')))
 | +        return d
 |
 |      params = urllib.urlencode({
 |          'privatekey': _encodeIfNecessary(private_key),
 |
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/11231#comment:2>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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