def signup():
if request.method == 'GET':
return render_template('Forms/registration.html.j2')
elif request.method == 'POST':
result = helper.createUser(request)
if result is True:
return render_template('Forms/loginpage.html.j2')
else:
return result
def gconnect():
"""Implement Oauth 2.0 login method with user's Google account"""
# Validate state token
if request.args.get('state') != login_session['state']:
response = make_response(json.dumps('Invalid state parameter.'), 401)
response.headers['Content-Type'] = 'application/json'
return response
# Obtain authorization code, now compatible with Python3
# request.get_data()
code = request.data.decode('utf-8')
try:
# Upgrade the authorization code into a credentials object
oauth_flow = flow_from_clientsecrets(
os.path.join(app_path, 'client_secrets.json'), scope='')
oauth_flow.redirect_uri = 'postmessage'
credentials = oauth_flow.step2_exchange(code)
except FlowExchangeError:
response = make_response(
json.dumps('Failed to upgrade the authorization code.'), 401)
response.headers['Content-Type'] = 'application/json'
return response
# Check that the access token is valid.
access_token = credentials.access_token
url = ('https://www.googleapis.com/oauth2/v1/tokeninfo?access_token=%s'
% access_token)
# Submit request, parse response - Python3 compatible
h = httplib2.Http()
response = h.request(url, 'GET')[1]
str_response = response.decode('utf-8')
result = json.loads(str_response)
# If there was an error in the access token info, abort.
if result.get('error') is not None:
response = make_response(json.dumps(result.get('error')), 500)
response.headers['Content-Type'] = 'application/json'
# Verify that the access token is used for the intended user.
gplus_id = credentials.id_token['sub']
if result['user_id'] != gplus_id:
response = make_response(
json.dumps("Token's user ID doesn't match given user ID."), 401)
response.headers['Content-Type'] = 'application/json'
return response
# Verify that the access token is valid for this app.
if result['issued_to'] != Google_Client_Secrets['web']['client_id']:
response = make_response(
json.dumps("Token's client ID does not match app's."), 401)
response.headers['Content-Type'] = 'application/json'
return response
stored_access_token = login_session.get('access_token')
stored_gplus_id = login_session.get('gplus_id')
if stored_access_token is not None and gplus_id == stored_gplus_id:
response = make_response(json.dumps(
'Current user is already connected.'),
200)
response.headers['Content-Type'] = 'application/json'
return response
# Store the access token in the session for later use.
login_session['access_token'] = access_token
login_session['gplus_id'] = gplus_id
# Get user info
userinfo_url = "https://www.googleapis.com/oauth2/v2/userinfo"
params = {'access_token': access_token, 'alt': 'json'}
answer = requests.get(userinfo_url, params=params)
data = answer.json()
login_session['username'] = data['name']
login_session['picture'] = data['picture']
login_session['email'] = data['email']
login_session['provider'] = 'google'
# see if user exists, if it doesn't make a new one
user_id = getUserID(login_session['email'])
if not user_id:
user_id = createUser(login_session)
login_session['user_id'] = user_id
output = ''
output += '<h1>Welcome, '
output += login_session['username']
output += '!</h1>'
output += '<img src="'
output += login_session['picture']
output += ' " style = "width: 300px; height: 300px;border-radius: 150px;-webkit-border-radius: 150px;-moz-border-radius: 150px;"> '
flash("You are now signed in as %s" % login_session['email'])
return output
def fbconnect():
"""Implement Oauth 2.0 login method with user's Facebook account"""
if request.args.get('state') != login_session['state']:
response = make_response(json.dumps('Invalid state parameter.'), 401)
response.headers['Content-Type'] = 'application/json'
return response
access_token = request.data
print "access token received %s " % access_token
app_id = Facebook_Client_Secrets['web']['app_id']
app_secret = Facebook_Client_Secrets['web']['app_secret']
url = 'https://graph.facebook.com/oauth/access_token?grant_type=fb_exchange_token&client_id=%s&client_secret=%s&fb_exchange_token=%s' % (
app_id, app_secret, access_token)
h = httplib2.Http()
result = h.request(url, 'GET')[1]
# Use token to get user info from API
userinfo_url = "https://graph.facebook.com/v2.5/me"
# strip expire tag from access token
token = result.split("&")[0]
url = 'https://graph.facebook.com/v2.5/me?%s&fields=name,id,email' % token
h = httplib2.Http()
result = h.request(url, 'GET')[1]
# print "url sent for API access:%s"% url
# print "API JSON result: %s" % result
data = json.loads(result)
login_session['provider'] = 'facebook'
login_session['username'] = data["name"]
login_session['email'] = data["email"]
login_session['facebook_id'] = data["id"]
# The token must be stored in the login_session in order to properly logout,
# let's strip out the information before the equals sign in our token
stored_token = token.split("=")[1]
login_session['access_token'] = stored_token
# Get user picture
url = 'https://graph.facebook.com/v2.5/me/picture?%s&redirect=0&height=200&width=200' % token
h = httplib2.Http()
result = h.request(url, 'GET')[1]
data = json.loads(result)
login_session['picture'] = data["data"]["url"]
# see if user exists
user_id = getUserID(login_session['email'])
if not user_id:
user_id = createUser(login_session)
login_session['user_id'] = user_id
output = ''
output += '<h1>Welcome, '
output += login_session['username']
output += '!</h1>'
output += '<img src="'
output += login_session['picture']
output += ' " style = "width: 300px; height: 300px;border-radius: 150px;-webkit-border-radius: 150px;-moz-border-radius: 150px;"> '
flash("You are now signed in as %s" % login_session['username'])
return output
