#GOOGLE_CLIENT_ID = 'PUT CLIENT ID'
#GOOGLE_CLIENT_SECRET = 'PUT CLIENT SECRET'
#Save the program as app.py
#https://console.developers.google.com/cloud-resource-manager
#

from flask import Flask, redirect, url_for, session
from flask_oauth import OAuth

# You must configure these 3 values from Google APIs console
# https://code.google.com/apis/console
GOOGLE_CLIENT_ID = 'PUT CLIENT ID'
GOOGLE_CLIENT_SECRET = 'PUT CLIENT SECRET'
REDIRECT_URI = '/oauth2callback'  # one of the Redirect URIs from Google APIs console

SECRET_KEY = 'development key'
DEBUG = True

app = Flask(__name__)
app.debug = DEBUG
app.secret_key = SECRET_KEY
oauth = OAuth()

google = oauth.remote_app('google',
base_url='https://www.google.com/accounts/',
authorize_url='https://accounts.google.com/o/oauth2/auth',
request_token_url=None,
request_token_params={'scope': 'https://www.googleapis.com/auth/userinfo.email',
'response_type': 'code'},
access_token_url='https://accounts.google.com/o/oauth2/token',
access_token_method='POST',
access_token_params={'grant_type': 'authorization_code'},
consumer_key=GOOGLE_CLIENT_ID,
consumer_secret=GOOGLE_CLIENT_SECRET)

@app.route('/')
def index():
access_token = session.get('access_token')
if access_token is None:
return redirect(url_for('login'))

access_token = access_token[0]
from urllib2 import Request, urlopen, URLError

headers = {'Authorization': 'OAuth '+access_token}
req = Request('https://www.googleapis.com/oauth2/v1/userinfo',
None, headers)
try:
res = urlopen(req)
except URLError, e:
if e.code == 401:
# Unauthorized - bad token
session.pop('access_token', None)
return redirect(url_for('login'))
return res.read()

return res.read()

@app.route('/login')
def login():
callback=url_for('authorized', _external=True)
return google.authorize(callback=callback)

@app.route(REDIRECT_URI)
@google.authorized_handler
def authorized(resp):
access_token = resp['access_token']
session['access_token'] = access_token, ''
return redirect(url_for('index'))

@google.tokengetter
def get_access_token():
return session.get('access_token')

def main():
app.run()

if __name__ == '__main__':
main()
#Execute using:

#python app.py
#* Running on http://127.0.0.1:5000/
#* Restarting with reloader
33ebdf386de8613523d92dc876e812a8bd1b51f1
#GOOGLE_CLIENT_ID = 'PUT CLIENT ID'
#GOOGLE_CLIENT_SECRET = 'PUT CLIENT SECRET'
#Save the program as app.py
#https://console.developers.google.com/cloud-resource-manager
#

from flask import Flask, redirect, url_for, session
from flask_oauth import OAuth

# You must configure these 3 values from Google APIs console
# https://code.google.com/apis/console
GOOGLE_CLIENT_ID = 'PUT CLIENT ID'
GOOGLE_CLIENT_SECRET = 'PUT CLIENT SECRET'
REDIRECT_URI = '/oauth2callback'  # one of the Redirect URIs from Google APIs console

SECRET_KEY = 'development key'
DEBUG = True

app = Flask(__name__)
app.debug = DEBUG
app.secret_key = SECRET_KEY
oauth = OAuth()

google = oauth.remote_app('google',
base_url='https://www.google.com/accounts/',
authorize_url='https://accounts.google.com/o/oauth2/auth',
request_token_url=None,
request_token_params={'scope': 'https://www.googleapis.com/auth/userinfo.email',
'response_type': 'code'},
access_token_url='https://accounts.google.com/o/oauth2/token',
access_token_method='POST',
access_token_params={'grant_type': 'authorization_code'},
consumer_key=GOOGLE_CLIENT_ID,
consumer_secret=GOOGLE_CLIENT_SECRET)

@app.route('/')
def index():
access_token = session.get('access_token')
if access_token is None:
return redirect(url_for('login'))

access_token = access_token[0]
from urllib2 import Request, urlopen, URLError

headers = {'Authorization': 'OAuth '+access_token}
req = Request('https://www.googleapis.com/oauth2/v1/userinfo',
None, headers)
try:
res = urlopen(req)
except URLError, e:
if e.code == 401:
# Unauthorized - bad token
session.pop('access_token', None)
return redirect(url_for('login'))
return res.read()

return res.read()

@app.route('/login')
def login():
callback=url_for('authorized', _external=True)
return google.authorize(callback=callback)

@app.route(REDIRECT_URI)
@google.authorized_handler
def authorized(resp):
access_token = resp['access_token']
session['access_token'] = access_token, ''
return redirect(url_for('index'))

@google.tokengetter
def get_access_token():
return session.get('access_token')

def main():
app.run()

if __name__ == '__main__':
main()
#Execute using:

#python app.py
#* Running on http://127.0.0.1:5000/
#* Restarting with reloader