def _validate_recaptcha(self, challenge, response, remote_addr):
"""Performs the actual validation."""
private_key = current_handler.get_config('tipfyext.wtforms',
'recaptcha_private_key')
result = urlfetch.fetch(url=RECAPTCHA_VERIFY_SERVER,
method=urlfetch.POST,
headers={'Content-Type': 'application/x-www-form-urlencoded'},
payload=url_encode({
'privatekey': private_key,
'remoteip': remote_addr,
'challenge': challenge,
'response': response
}))
if result.status_code != 200:
return False
rv = [l.strip() for l in result.content.splitlines()]
if rv and rv[0] == 'true':
return True
if len(rv) > 1:
error = rv[1]
if error in self._error_codes:
raise RuntimeError(self._error_codes[error])
return False
def _validate_recaptcha(self, challenge, response, remote_addr):
"""Performs the actual validation."""
private_key = current_handler.get_config("tipfyext.wtforms", "recaptcha_private_key")
result = urlfetch.fetch(
url=RECAPTCHA_VERIFY_SERVER,
method=urlfetch.POST,
headers={"Content-Type": "application/x-www-form-urlencoded"},
payload=url_encode(
{"privatekey": private_key, "remoteip": remote_addr, "challenge": challenge, "response": response}
),
)
if result.status_code != 200:
return False
rv = [l.strip() for l in result.content.splitlines()]
if rv and rv[0] == "true":
return True
if len(rv) > 1:
error = rv[1]
if error in self._error_codes:
raise RuntimeError(self._error_codes[error])
return False
def _get_csrf_token(self, request):
token = str(uuid.uuid4())
token_list = self._get_session().setdefault("_csrf_token", [])
token_list.append(token)
# Store a maximum number of tokens.
maximum_tokens = current_handler.get_config("tipfyext.wtforms", "csrf_tokens")
while len(token_list) > maximum_tokens:
token_list.pop(0)
# Set the validation rule for the tokens.
self._fields["csrf_token"].validators = [CsrfToken(token_list)]
return token
def _get_csrf_token(self, request):
token = str(uuid.uuid4())
token_list = self._get_session().setdefault('_csrf_token', [])
token_list.append(token)
# Store a maximum number of tokens.
maximum_tokens = current_handler.get_config('tipfyext.wtforms',
'csrf_tokens')
while len(token_list) > maximum_tokens:
token_list.pop(0)
# Set the validation rule for the tokens.
self._fields['csrf_token'].validators = [CsrfToken(token_list)]
return token
def __call__(self, field, error=None, **kwargs):
"""Returns the recaptcha input HTML."""
config = current_handler.get_config('tipfyext.wtforms')
if config.get('recaptcha_use_ssl'):
server = RECAPTCHA_SSL_API_SERVER
else:
server = RECAPTCHA_API_SERVER
query_options = dict(k=config.get('recaptcha_public_key'))
if field.recaptcha_error is not None:
query_options['error'] = unicode(field.recaptcha_error)
query = url_encode(query_options)
# Widget default options.
options = {
'theme': 'clean',
'custom_translations': {
'visual_challenge': _('Get a visual challenge'),
'audio_challenge': _('Get an audio challenge'),
'refresh_btn': _('Get a new challenge'),
'instructions_visual': _('Type the two words:'),
'instructions_audio': _('Type what you hear:'),
'help_btn': _('Help'),
'play_again': _('Play sound again'),
'cant_hear_this': _('Download sound as MP3'),
'incorrect_try_again': _('Incorrect. Try again.'),
}
}
custom_options = config.get('recaptcha_options')
if custom_options:
options.update(custom_options)
return RECAPTCHA_HTML % dict(script_url='%schallenge?%s' %
(server, query),
frame_url='%snoscript?%s' %
(server, query),
options=json_encode(options))
def __call__(self, field, error=None, **kwargs):
"""Returns the recaptcha input HTML."""
config = current_handler.get_config('tipfyext.wtforms')
if config.get('recaptcha_use_ssl'):
server = RECAPTCHA_SSL_API_SERVER
else:
server = RECAPTCHA_API_SERVER
query_options = dict(k=config.get('recaptcha_public_key'))
if field.recaptcha_error is not None:
query_options['error'] = unicode(field.recaptcha_error)
query = url_encode(query_options)
# Widget default options.
options = {
'theme': 'clean',
'custom_translations': {
'visual_challenge': _('Get a visual challenge'),
'audio_challenge': _('Get an audio challenge'),
'refresh_btn': _('Get a new challenge'),
'instructions_visual': _('Type the two words:'),
'instructions_audio': _('Type what you hear:'),
'help_btn': _('Help'),
'play_again': _('Play sound again'),
'cant_hear_this': _('Download sound as MP3'),
'incorrect_try_again': _('Incorrect. Try again.'),
}
}
custom_options = config.get('recaptcha_options')
if custom_options:
options.update(custom_options)
return RECAPTCHA_HTML % dict(
script_url='%schallenge?%s' % (server, query),
frame_url='%snoscript?%s' % (server, query),
options=json_encode(options)
)
