def login():
if session.get('email', None):
return fail('Already logged in')
access_token = session.get('fb_token', None)
if access_token is None:
return fail('No facebook access token')
r = requests.get('https://graph.facebook.com/v2.3/me',
params={
'fields': 'email',
'access_token': access_token,
})
data = r.json()
if 'error' in data:
return fail(data['error']['message'])
email = data.get('email', None)
if not email:
return fail('Bad response from facebook API')
user = User.query.filter_by(email=email).first()
if not user:
return fail('No account')
session['email'] = email
return success(user)
def decorated_function(*args, **kwargs):
user = g.get('user', None)
if user is None:
email = session.get('email', None)
if not email:
return fail('No email found')
user = User.query.filter_by(email=email).first()
if not user:
return fail('No account with email found')
g.user = user
return f(*args, **kwargs)
def oauth_callback():
code = request.args.get('code', '')
if not code:
return abort(404)
r = requests.get('https://graph.facebook.com/v2.3/oauth/access_token',
params={
'client_id': config['FACEBOOK']['APP_ID'],
'client_secret': config['FACEBOOK']['APP_SECRET'],
'redirect_uri': config['FACEBOOK']['REDIRECT_URI'],
'code': code,
})
data = r.json()
if 'error' in data:
return fail(data['error']['message'])
access_token = data.get('access_token', None)
if not access_token:
return error('Didn\'t receive access token?')
session['fb_token'] = access_token
return success(access_token)
def new_connection():
public_token = request.form.get('public_token', None)
if public_token is None:
return fail('Missing fields: public_token')
client.exchange_token(public_token)
return login_succeeded()
def new_account():
access_token = session.get('fb_token', None)
if access_token is None:
return fail('No login token')
r = requests.get('https://graph.facebook.com/v2.3/me',
params={
'fields': 'email,first_name,last_name',
'access_token': access_token,
})
data = r.json()
if 'error' in data:
return fail(data['error']['message'])
email = data.get('email', None)
first_name = data.get('first_name', None)
last_name = data.get('last_name', None)
if not email or not first_name or not last_name:
return fail('Missing fields')
user = User.query.filter_by(email=email).first()
if user:
return fail('User already exists')
user = User(
name='{} {}'.format(first_name, last_name),
email=email,
)
db.session.add(user)
db.session.commit()
session['email'] = email
return success(user)