def test_generate_signed_request():
signed_request = SignedRequest(
signed_request = TEST_SIGNED_REQUEST,
application_secret_key = TEST_FACEBOOK_APPLICATION_SECRET_KEY
)
signed_request = signed_request.generate()
def test_signed_request_user_has_authorized_application():
oauth_token = SignedRequest.User.OAuthToken(token='<token>',
issued_at=datetime.now(),
expires_at=None)
user = SignedRequest.User(id=1, oauth_token=oauth_token)
assert user.has_authorized_application is True
user = SignedRequest.User(id=1, oauth_token=None)
assert user.has_authorized_application is False
def test_signed_request_renewal(self):
"""
Verify that users are redirected to renew their signed requests
once they expire.
"""
client = Client()
signed_request = SignedRequest(TEST_SIGNED_REQUEST, TEST_APPLICATION_SECRET)
signed_request.user.oauth_token.expires_at = now() - timedelta(days=1)
response = client.get(path=reverse("home"), data={"signed_request": signed_request.generate()})
# There's no way to derive the view the response originated from in Django,
# so verifying its status code will have to suffice.
assert response.status_code == 401
def facebook_show(request, app_id):
try:
fb_Access = Facebook_access.objects.get(facebook_app_id=app_id)
except:
hitting(request, 1501) # Stats
return redirect('/error/1501')
if 'signed_request' in request.REQUEST:
signed_request = SignedRequest.parse(request.REQUEST.get('signed_request'), str(fb_Access.facebook_app_secret_key))
################ Get Structure
try:
app = App.objects.get(facebook_access=fb_Access.id, campaign__facebook_page_id=signed_request['page']['id'])
campaign = Campaign.objects.get(id=app.campaign_id)
except:
hitting(request, 1502) # Stats
return redirect('/error/1502')
liked = signed_request['page']['liked']
if not liked:
if app.like_page == 1 and campaign.membership.like_page:
return redirect(reverse('clients:app_show', args=[app.id, 'facebook', -1, -1]))
return redirect(reverse('clients:app_show', args=[app.id, 'facebook']))
else:
hitting(request, 1504) # Stats
return redirect('/error/1504')
def test_registration():
"""
Verify that authorizing the application will register a new user.
"""
client = Client()
client.post(
path = reverse('home'),
data = {
'signed_request': TEST_SIGNED_REQUEST
}
)
user = User.objects.get(id=1)
assert user.first_name == user.graph.get('me')['first_name']
assert user.middle_name == user.graph.get('me')['middle_name']
assert user.last_name == user.graph.get('me')['last_name']
assert user.url == user.graph.get('me')['link']
token = OAuthToken.objects.get(id=1)
signed_request = SignedRequest.parse(TEST_SIGNED_REQUEST, TEST_APPLICATION_SECRET)
assert token.token == signed_request.oauth_token.token
assert token.issued_at == signed_request.oauth_token.issued_at
assert token.expires_at == signed_request.oauth_token.expires_at
def teardown_module(module):
"""
Delete the Facebook test user.
"""
GraphAPI('%s|%s' % (TEST_APPLICATION_ID, TEST_APPLICATION_SECRET)).delete(
path = SignedRequest.parse(TEST_SIGNED_REQUEST, TEST_APPLICATION_SECRET).user.id
)
def teardown_module(module):
"""
Delete the Facebook test user.
"""
GraphAPI('%s|%s' % (TEST_APPLICATION_ID, TEST_APPLICATION_SECRET)).delete(
path=SignedRequest.parse(TEST_SIGNED_REQUEST,
TEST_APPLICATION_SECRET).user.id)
def test_generate_signed_request():
signed_request = SignedRequest.parse(
signed_request=TEST_SIGNED_REQUEST, application_secret_key=TEST_FACEBOOK_APPLICATION_SECRET_KEY
)
assert (
signed_request.user.oauth_token.token
== "181259711925270|1570a553ad6605705d1b7a5f.1-499729129|8XqMRhCWDKtpG-i_zRkHBDSsqqk"
)
assert signed_request.user.oauth_token.expires_at == None
assert signed_request.user.oauth_token.issued_at
assert signed_request.user.locale == "en_US"
assert signed_request.user.country == "no"
assert signed_request.user.age == range(21, 100)
assert signed_request.user.id == "499729129"
signed_request = signed_request.generate(TEST_FACEBOOK_APPLICATION_SECRET_KEY)
assert (
signed_request == "_BI1k2IFKMlIqbUdtr85034LlIZxMu7iS1xF-K8pYkE=."
"eyJ1c2VyX2lkIjoiNDk5NzI5MTI5IiwiYWxnb3JpdGhtI"
"joiSE1BQy1TSEEyNTYiLCJleHBpcmVzIjowLCJvYXV0aF"
"90b2tlbiI6IjE4MTI1OTcxMTkyNTI3MHwxNTcwYTU1M2F"
"kNjYwNTcwNWQxYjdhNWYuMS00OTk3MjkxMjl8OFhxTVJo"
"Q1dES3RwRy1pX3pSa0hCRFNzcXFrIiwidXNlciI6eyJsb"
"2NhbGUiOiJlbl9VUyIsImNvdW50cnkiOiJubyIsImFnZS"
"I6eyJtYXgiOjk5LCJtaW4iOjIxfX0sImlzc3VlZF9hdCI"
"6MTMwNjE3OTkwNH0="
)
signed_request = SignedRequest.parse(
signed_request=signed_request, application_secret_key=TEST_FACEBOOK_APPLICATION_SECRET_KEY
)
assert (
signed_request.user.oauth_token.token
== "181259711925270|1570a553ad6605705d1b7a5f.1-499729129|8XqMRhCWDKtpG-i_zRkHBDSsqqk"
)
assert signed_request.user.oauth_token.expires_at == None
assert signed_request.user.oauth_token.has_expired == False
assert signed_request.user.oauth_token.issued_at
assert signed_request.user.locale == "en_US"
assert signed_request.user.country == "no"
assert signed_request.user.age == range(21, 100)
assert signed_request.user.id == "499729129"
assert signed_request.user.has_authorized_application == True
def test_signed_request_renewal(self):
"""
Verify that users are redirected to renew their signed requests
once they expire.
"""
client = Client()
signed_request = SignedRequest(TEST_SIGNED_REQUEST,
TEST_APPLICATION_SECRET)
signed_request.user.oauth_token.expires_at = now() - timedelta(days=1)
response = client.get(
path=reverse('home'),
data={'signed_request': signed_request.generate()})
# There's no way to derive the view the response originated from in Django,
# so verifying its status code will have to suffice.
assert response.status_code == 401
def test_parse_signed_request():
signed_request = SignedRequest.parse(
signed_request=TEST_SIGNED_REQUEST, application_secret_key=TEST_FACEBOOK_APPLICATION_SECRET_KEY
)
assert signed_request.user.id == "499729129"
assert signed_request.user.oauth_token.token == TEST_ACCESS_TOKEN
assert signed_request.user.oauth_token.expires_at == None
assert signed_request.user.oauth_token.issued_at
def test_parse_signed_request():
from facepy import SignedRequest
from datetime import datetime
signed_request = SignedRequest.parse(TEST_SIGNED_REQUEST, TEST_FACEBOOK_APPLICATION_SECRET_KEY)
assert signed_request.user.id == '499729129'
assert signed_request.oauth_token.token == TEST_ACCESS_TOKEN
assert signed_request.oauth_token.expires_at == None
assert signed_request.oauth_token.issued_at == datetime(2011, 5, 23, 21, 45, 4)
def setup_module(module):
"""
Create a Facebook test user.
"""
global TEST_SIGNED_REQUEST
graph = GraphAPI('%s|%s' % (TEST_APPLICATION_ID, TEST_APPLICATION_SECRET))
user = graph.post('%s/accounts/test-users' % TEST_APPLICATION_ID,
installed=True,
permissions=['publish_stream, read_stream'])
TEST_SIGNED_REQUEST = SignedRequest(
user=SignedRequest.User(id=user['id'],
age=range(0, 100),
locale='en_US',
country='Norway'),
oauth_token=SignedRequest.OAuthToken(
token=user['access_token'],
issued_at=datetime.now(),
expires_at=None)).generate(TEST_APPLICATION_SECRET)
def post(self, request, *args, **kwargs):
signed_request = request.POST.get("signed_request")
signed_request = SignedRequest.parse(signed_request, FACEBOOK_APP_SECRET)
self.data["fb"] = signed_request
if "oauth_token" not in signed_request:
self.data["oauth_url"] = get_auth_url()
else:
self.data["page_install_url"] = get_page_install_url()
oauth_token = signed_request["oauth_token"]
graph = GraphAPI(oauth_token)
self.data["fb"]["user"] = graph.get("me")
return self.render_to_response(self.data)
def test_create_signed_request():
from facepy import SignedRequest
from datetime import datetime
parsed_signed_request = SignedRequest.parse(TEST_SIGNED_REQUEST, TEST_FACEBOOK_APPLICATION_SECRET_KEY)
assert parsed_signed_request.oauth_token.token == '181259711925270|1570a553ad6605705d1b7a5f.1-499729129|8XqMRhCWDKtpG-i_zRkHBDSsqqk'
assert parsed_signed_request.oauth_token.expires_at == None
assert parsed_signed_request.oauth_token.issued_at == datetime(2011, 5, 23, 21, 45, 4)
assert parsed_signed_request.user.locale == 'en_US'
assert parsed_signed_request.user.country == 'no'
assert parsed_signed_request.user.age == range(21, 100)
assert parsed_signed_request.user.id == '499729129'
reverse_engineered_signed_request = parsed_signed_request.generate(TEST_FACEBOOK_APPLICATION_SECRET_KEY)
assert reverse_engineered_signed_request == '_BI1k2IFKMlIqbUdtr85034LlIZxMu7iS1xF-K8pYkE=.' \
'eyJ1c2VyX2lkIjoiNDk5NzI5MTI5IiwiYWxnb3JpdGhtI' \
'joiSE1BQy1TSEEyNTYiLCJleHBpcmVzIjowLCJvYXV0aF' \
'90b2tlbiI6IjE4MTI1OTcxMTkyNTI3MHwxNTcwYTU1M2F' \
'kNjYwNTcwNWQxYjdhNWYuMS00OTk3MjkxMjl8OFhxTVJo' \
'Q1dES3RwRy1pX3pSa0hCRFNzcXFrIiwidXNlciI6eyJsb' \
'2NhbGUiOiJlbl9VUyIsImNvdW50cnkiOiJubyIsImFnZS' \
'I6eyJtYXgiOjk5LCJtaW4iOjIxfX0sImlzc3VlZF9hdCI' \
'6MTMwNjE3OTkwNH0='
parsed_reverse_engineered_signed_request = SignedRequest.parse(
signed_request = reverse_engineered_signed_request,
application_secret_key = TEST_FACEBOOK_APPLICATION_SECRET_KEY
)
assert parsed_reverse_engineered_signed_request.oauth_token.token == '181259711925270|1570a553ad6605705d1b7a5f.1-499729129|8XqMRhCWDKtpG-i_zRkHBDSsqqk'
assert parsed_reverse_engineered_signed_request.oauth_token.expires_at == None
assert parsed_reverse_engineered_signed_request.oauth_token.has_expired == False
assert parsed_reverse_engineered_signed_request.oauth_token.issued_at == datetime(2011, 5, 23, 21, 45, 4)
assert parsed_reverse_engineered_signed_request.user.locale == 'en_US'
assert parsed_reverse_engineered_signed_request.user.country == 'no'
assert parsed_reverse_engineered_signed_request.user.age == range(21, 100)
assert parsed_reverse_engineered_signed_request.user.id == '499729129'
assert parsed_reverse_engineered_signed_request.user.has_authorized_application == True
def post(self):
args = self.reqparse.parse_args()
signed_request_data = SignedRequest(args['signed_req'],
FB_KEY,
application_id=FB_CLIENT)
# print(signed_request_data.user.id)
user, _ = User.get_or_create(user_id=signed_request_data.user.id,
user_type="facebook")
return make_response(
jsonify({
"message": "Login successful!",
"token": user.generate_auth_token().decode('ascii')
}), 200)
def post(self, request, *args, **kwargs):
signed_request = request.POST.get("signed_request")
signed_request = SignedRequest.parse(signed_request, FACEBOOK_APP_SECRET)
self.data["fb"] = signed_request
self.data["sig_rec"] = signed_request
if "oauth_token" not in signed_request:
self.data["oauth_url"] = get_auth_url()
else:
oauth_token = signed_request["oauth_token"]
graph = GraphAPI(oauth_token)
self.data["fb"]["user"] = graph.get(signed_request.get("page").get("id", 0))
request.session["admin"] = True
request.session["token"] = oauth_token
request.session["page_id"] = signed_request.get("page").get("id", 0)
return self.render_to_response(self.data)
def post(self, request, *args, **kwargs):
try:
signed_request = request.POST['signed_request']
except (KeyError):
return HttpResponse(status=400, content='Invalid request')
try:
signed_request_data = SignedRequest.parse(
signed_request, settings.SOCIAL_AUTH_FACEBOOK_SECRET)
except (SignedRequestError):
return HttpResponse(status=400, content='Invalid request')
user_id = signed_request_data['user_id']
try:
user = UserSocialAuth.objects.get(uid=user_id,
provider=facebook).user
except (UserSocialAuth.DoesNotExist):
return HttpResponse(status=400, content='Invalid request')
user.update(is_active=False)
return HttpResponse(status=201)
def test_parse_signed_request():
signed_request = SignedRequest.parse(
signed_request = TEST_SIGNED_REQUEST,
application_secret_key = TEST_FACEBOOK_APPLICATION_SECRET_KEY
)
assert signed_request == {
'user_id': '499729129',
'algorithm': 'HMAC-SHA256',
'expires': 0,
'oauth_token': '181259711925270|1570a553ad6605705d1b7a5f.1-499729129|8XqMRhCWDKtpG-i_zRkHBDSsqqk',
'user': {
'locale': 'en_US',
'country': 'no',
'age': { 'min': 21 }
},
'issued_at': 1306179904
}
def compartilhar(request):
dados = request.POST
token = request.POST['token']
nome_time = request.POST['nome_time']
imagem = montar_imagem(dados, nome_time)
if imagem == False:
return HttpResponse("Nome de time invalido")
tags = montar_marcacao(dados)
tags = json.dumps(tags)
signed_request = SignedRequest.parse(token, settings.FACEBOOK_APPLICATION_SECRET_KEY)
graph = GraphAPI(signed_request['oauth_token'])
post = graph.post(path="me/photos", tags=tags, message="Monte seu time de futebol com seus amigos!!! acesse: http://apps.facebook.com/maketeam", source=open(imagem))
return HttpResponse(json.dumps(post))
def _message_from_sr(self, token: Text, payload: Any) \
-> Optional[BaseMessage]:
"""
Tries to verify the signed request
"""
page = self.settings()
secret = page['app_secret']
try:
sr_data = SignedRequest.parse(token, secret)
except (TypeError, ValueError, SignedRequestError) as e:
return
return self._make_fake_message(
sr_data['psid'],
page['page_id'],
payload,
)
def test_parse_signed_request():
signed_request = SignedRequest.parse(
signed_request=TEST_SIGNED_REQUEST,
application_secret_key=TEST_FACEBOOK_APPLICATION_SECRET_KEY)
assert signed_request == {
'user_id': '499729129',
'algorithm': 'HMAC-SHA256',
'expires': 0,
'oauth_token':
'181259711925270|1570a553ad6605705d1b7a5f.1-499729129|8XqMRhCWDKtpG-i_zRkHBDSsqqk',
'user': {
'locale': 'en_US',
'country': 'no',
'age': {
'min': 21
}
},
'issued_at': 1306179904
}
def post(self, request, format=None):
try:
signed_request = json.loads(request.body)['signed_request']
signed_request_data = SignedRequest.parse(signed_request,
settings.FB_APP_SECRET)
except:
return Response(status=status.HTTP_401_UNAUTHORIZED)
try:
user = models.User.objects.get(
username=signed_request_data['psid'])
except models.User.DoesNotExist:
return Response(status=status.HTTP_401_UNAUTHORIZED)
jwt_payload_handler = api_settings.JWT_PAYLOAD_HANDLER
jwt_encode_handler = api_settings.JWT_ENCODE_HANDLER
payload = jwt_payload_handler(user)
token = jwt_encode_handler(payload)
token = {'token': token}
return Response(data=token, status=status.HTTP_200_OK)
def process_request(self, request):
"""Process the signed request."""
if ENABLED_PATHS and DISABLED_PATHS:
raise ImproperlyConfigured('You may configure either FANDJANGO_ENABLED_PATHS or FANDJANGO_DISABLED_PATHS, but not both.')
if DISABLED_PATHS and is_disabled_path(request.path):
return
if ENABLED_PATHS and not is_enabled_path(request.path):
return
# An error occured during authorization...
if 'error' in request.GET:
error = request.GET['error']
# The user refused to authorize the application...
if error == 'access_denied':
return authorization_denied_view(request)
# Signed request found in either GET, POST or COOKIES...
if 'signed_request' in request.REQUEST or 'signed_request' in request.COOKIES:
request.facebook = Facebook()
# If the request method is POST and its body only contains the signed request,
# chances are it's a request from the Facebook platform and we'll override
# the request method to HTTP GET to rectify their misinterpretation
# of the HTTP standard.
#
# References:
# "POST for Canvas" migration at http://developers.facebook.com/docs/canvas/post/
# "Incorrect use of the HTTP protocol" discussion at http://forum.developers.facebook.net/viewtopic.php?id=93554
if request.method == 'POST' and 'signed_request' in request.POST:
request.POST = QueryDict('')
request.method = 'GET'
request.facebook.signed_request = SignedRequest.parse(
signed_request = request.REQUEST.get('signed_request') or request.COOKIES.get('signed_request'),
application_secret_key = FACEBOOK_APPLICATION_SECRET_KEY
)
# User has authorized the application...
if request.facebook.signed_request.user.has_authorized_application:
# Redirect to Facebook Authorization if the OAuth token has expired
if request.facebook.signed_request.oauth_token.has_expired:
return authorize_application(
request = request,
redirect_uri = get_post_authorization_redirect_url(request)
)
# Initialize a User object and its corresponding OAuth token
try:
user = User.objects.get(facebook_id=request.facebook.signed_request.user.id)
except User.DoesNotExist:
oauth_token = OAuthToken.objects.create(
token = request.facebook.signed_request.oauth_token.token,
issued_at = request.facebook.signed_request.oauth_token.issued_at,
expires_at = request.facebook.signed_request.oauth_token.expires_at
)
user = User.objects.create(
facebook_id = request.facebook.signed_request.user.id,
oauth_token = oauth_token
)
user.synchronize()
# Update the user's details and OAuth token
else:
user.last_seen_at = datetime.now()
user.authorized = True
if request.facebook.signed_request.oauth_token:
user.oauth_token.token = request.facebook.signed_request.oauth_token.token
user.oauth_token.issued_at = request.facebook.signed_request.oauth_token.issued_at
user.oauth_token.expires_at = request.facebook.signed_request.oauth_token.expires_at
user.oauth_token.save()
user.save()
# Attempt to extend the OAuth token, but ignore exceptions raised by
# bug #102727766518358 in the Facebook Platform.
#
# http://developers.facebook.com/bugs/102727766518358/
try:
user.oauth_token.extend()
except:
pass
request.facebook.user = user
# ... no signed request found.
else:
request.facebook = False
def test_signed_request_missing_page_data():
try:
SignedRequest(TEST_SIGNED_REQUEST_MISSING_PAGE_DATA,
TEST_FACEBOOK_APPLICATION_SECRET_KEY)
except KeyError:
raise AssertionError('Missing page data in signed request')
def process_request(self, request):
"""Process the signed request."""
# User has already been authed by alternate middleware
if hasattr(request, "facebook") and request.facebook:
return
request.facebook = False
if not self.is_valid_path(request):
return
if self.is_access_denied(request):
return authorization_denied_view(request)
# No signed request found in either GET, POST nor COOKIES...
if 'signed_request' not in request.REQUEST and 'signed_request' not in request.COOKIES:
return
# If the request method is POST and its body only contains the signed request,
# chances are it's a request from the Facebook platform and we'll override
# the request method to HTTP GET to rectify their misinterpretation
# of the HTTP standard.
#
# References:
# "POST for Canvas" migration at http://developers.facebook.com/docs/canvas/post/
# "Incorrect use of the HTTP protocol" discussion at http://forum.developers.facebook.net/viewtopic.php?id=93554
if request.method == 'POST' and 'signed_request' in request.POST:
request.POST = QueryDict('')
request.method = 'GET'
request.facebook = Facebook()
try:
request.facebook.signed_request = SignedRequest(
signed_request=request.REQUEST.get('signed_request')
or request.COOKIES.get('signed_request'),
application_secret_key=FACEBOOK_APPLICATION_SECRET_KEY)
except SignedRequest.Error:
request.facebook = False
# Valid signed request and user has authorized the application
if request.facebook \
and request.facebook.signed_request.user.has_authorized_application \
and not request.facebook.signed_request.user.oauth_token.has_expired:
# Initialize a User object and its corresponding OAuth token
try:
user = User.objects.get(
facebook_id=request.facebook.signed_request.user.id)
except User.DoesNotExist:
oauth_token = OAuthToken.objects.create(
token=request.facebook.signed_request.user.oauth_token.
token,
issued_at=request.facebook.signed_request.user.oauth_token.
issued_at.replace(tzinfo=tzlocal()),
expires_at=request.facebook.signed_request.user.
oauth_token.expires_at.replace(tzinfo=tzlocal()))
user = User.objects.create(
facebook_id=request.facebook.signed_request.user.id,
oauth_token=oauth_token)
user.synchronize()
# Update the user's details and OAuth token
else:
user.last_seen_at = now()
if 'signed_request' in request.REQUEST:
user.authorized = True
if request.facebook.signed_request.user.oauth_token:
user.oauth_token.token = request.facebook.signed_request.user.oauth_token.token
user.oauth_token.issued_at = request.facebook.signed_request.user.oauth_token.issued_at.replace(
tzinfo=tzlocal())
user.oauth_token.expires_at = request.facebook.signed_request.user.oauth_token.expires_at.replace(
tzinfo=tzlocal())
user.oauth_token.save()
user.save()
if not user.oauth_token.extended:
# Attempt to extend the OAuth token, but ignore exceptions raised by
# bug #102727766518358 in the Facebook Platform.
#
# http://developers.facebook.com/bugs/102727766518358/
try:
user.oauth_token.extend()
except:
pass
request.facebook.user = user
def loginExternal(self, externalType):
ret = {}
ret["status"] = "error"
ret["errors"] = []
users = self.db['user']
progress = self.db['progress']
if externalType == "facebook":
signedRequestToken = request.json.get("signedRequest")
data = SignedRequest.parse(signedRequestToken,
FACEBOOK_APP["secret"])
if not data or not "user_id" in data:
ret["errors"].append({
"code": "ErrInvalidCredentials",
"target": False
})
if ret["errors"]:
return ret
externalId = request.json.get("externalId")
if externalId != data['user_id']:
ret["errors"].append({
"code": "ErrInvalidCredentials",
"target": False
})
if ret["errors"]:
return ret
accessToken = request.json.get("accessToken")
if not accessToken:
ret["errors"].append({
"code": "ErrInvalidCredentials",
"target": False
})
if ret["errors"]:
return ret
graph = GraphAPI(accessToken)
if not graph:
ret["errors"].append({
"code": "ErrInvalidCredentials",
"target": False
})
if ret["errors"]:
return ret
facebookUser = graph.get("me?fields=id,name,email")
if not facebookUser or not "id" in facebookUser or not "name" in facebookUser or not "email" in facebookUser:
ret["errors"].append({
"code": "ErrInvalidCredentials",
"target": False
})
if ret["errors"]:
return ret
if facebookUser['id'] != externalId:
ret["errors"].append({
"code": "ErrInvalidCredentials",
"target": False
})
if ret["errors"]:
return ret
# okay, validation successful!
user = users.find_one({
"$and": [{
"externalType": externalType
}, {
"externalId": externalId
}]
})
if not user:
exists = users.find_one({"email": email})
if exists:
ret["errors"].append({
"code": "ErrExistsEmailDifferentMethod",
"target": False
})
if ret["errors"]:
return ret
penName = facebookUser['name']
user = {
"email": email,
"penName": penName,
"externalType": externalType,
"externalId": externalId,
"confirmed": True,
"confirmDate": datetime.utcnow(),
"subscribed": True,
"insertDate": datetime.utcnow()
}
userId = users.insert_one(user).inserted_id
if not userId:
ret["errors"].append({
"code": "ErrInsertFailed",
"target": False
})
if ret["errors"]:
return ret
user = users.find_one({"_id": ObjectId(userId)})
else:
ret["errors"].append({
"code": "ErrInvalidCredentials",
"target": False
})
return ret
def process_request(self, request):
"""Process the signed request."""
if ENABLED_PATHS and DISABLED_PATHS:
raise ImproperlyConfigured(
'You may configure either FANDJANGO_ENABLED_PATHS '
'or FANDJANGO_DISABLED_PATHS, but not both.')
if DISABLED_PATHS and is_disabled_path(request.path):
return
if ENABLED_PATHS and not is_enabled_path(request.path):
return
# An error occured during authorization...
if 'error' in request.GET:
error = request.GET['error']
# The user refused to authorize the application...
if error == 'access_denied':
return authorization_denied_view(request)
# Signed request found in either GET, POST or COOKIES...
if 'signed_request' in request.REQUEST or 'signed_request' in request.COOKIES:
request.facebook = Facebook()
# If the request method is POST and its body only contains the signed request,
# chances are it's a request from the Facebook platform and we'll override
# the request method to HTTP GET to rectify their misinterpretation
# of the HTTP standard.
#
# References:
# "POST for Canvas" migration at http://developers.facebook.com/docs/canvas/post/
# "Incorrect use of the HTTP protocol" discussion at http://forum.developers.facebook.net/viewtopic.php?id=93554
if request.method == 'POST' and 'signed_request' in request.POST:
request.POST = QueryDict('')
request.method = 'GET'
try:
request.facebook.signed_request = SignedRequest(
signed_request=request.REQUEST.get('signed_request')
or request.COOKIES.get('signed_request'),
application_secret_key=FACEBOOK_APPLICATION_SECRET_KEY)
except SignedRequest.Error:
request.facebook = False
# Valid signed request and user has authorized the application
if request.facebook and request.facebook.signed_request.user.has_authorized_application:
# Redirect to Facebook Authorization if the OAuth token has expired
if request.facebook.signed_request.user.oauth_token.has_expired:
return authorize_application(
request=request,
redirect_uri=get_post_authorization_redirect_url(
request))
# Initialize a User object and its corresponding OAuth token
try:
user = User.objects.get(
facebook_id=request.facebook.signed_request.user.id)
except User.DoesNotExist:
oauth_token = OAuthToken.objects.create(
token=request.facebook.signed_request.user.oauth_token.
token,
issued_at=request.facebook.signed_request.user.
oauth_token.issued_at,
expires_at=request.facebook.signed_request.user.
oauth_token.expires_at)
user = User.objects.create(
facebook_id=request.facebook.signed_request.user.id,
oauth_token=oauth_token)
user.synchronize()
# Update the user's details and OAuth token
else:
user.last_seen_at = datetime.now()
if 'signed_request' in request.REQUEST:
user.authorized = True
if request.facebook.signed_request.user.oauth_token:
user.oauth_token.token = request.facebook.signed_request.user.oauth_token.token
user.oauth_token.issued_at = request.facebook.signed_request.user.oauth_token.issued_at
user.oauth_token.expires_at = request.facebook.signed_request.user.oauth_token.expires_at
user.oauth_token.save()
user.save()
if not user.oauth_token.extended:
# Attempt to extend the OAuth token, but ignore exceptions raised by
# bug #102727766518358 in the Facebook Platform.
#
# http://developers.facebook.com/bugs/102727766518358/
try:
user.oauth_token.extend()
except:
pass
request.facebook.user = user
# ... no signed request found.
else:
request.facebook = False
def test_generate_signed_request():
signed_request = SignedRequest(
signed_request=TEST_SIGNED_REQUEST,
application_secret_key=TEST_FACEBOOK_APPLICATION_SECRET_KEY)
signed_request = signed_request.generate()
def test_signed_request_page_url():
page = SignedRequest.Page(id=1)
assert page.url == 'http://facebook.com/1'
def test_signed_request_user_profile_url():
user = SignedRequest.User(id=1)
assert user.profile_url == 'http://facebook.com/1'
