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server.py
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server.py
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from flask import Flask, render_template, request, url_for
from flask import redirect, flash, jsonify, make_response
from model import ProductModel, CatalogModel, UserModel
from model import GlobalCatalogModel, Workers
from sqlalchemy import create_engine, exc
from sqlalchemy.orm import sessionmaker
from database import Catalog, Product, Base
from functools import wraps
# Login Imports
from flask import session as login_session
import random
import string
from oauth2client.client import flow_from_clientsecrets
from oauth2client.client import FlowExchangeError
import httplib2
import json
import requests
import os
__location__ = os.path.realpath(
os.path.join(os.getcwd(), os.path.dirname(__file__)))
app = Flask(__name__)
# Login Flow
def checkLogin():
if 'username' not in login_session:
return False
else:
return True
def login_required(f):
@wraps(f)
def decorated_function(*args, **kwargs):
if 'username' in login_session:
return f(*args, **kwargs)
else:
flash("Login required", "error")
return redirect('/login')
return decorated_function
@app.route('/login')
def showLogin():
state = ''.join(
random.choice(string.ascii_uppercase + string.digits)
for x in range(32))
login_session['state'] = state
links = Workers().getNavLinks()
# return "The current session state is %s" % login_session['state']
return render_template('login.html', navlinks=links, STATE=state)
CLIENT_ID = json.loads(
open(os.path.join(__location__, 'client_secrets.json'),
'r').read())['web']['client_id']
@app.route('/gconnect', methods=['POST'])
def gconnect():
# 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
code = request.data
try:
# Upgrade the authorization code into a credentials object
oauth_flow = flow_from_clientsecrets('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)
h = httplib2.Http()
result = json.loads(h.request(url, 'GET')[1])
# 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'
return response
# 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'] != CLIENT_ID:
response = make_response(
json.dumps("Token's client ID does not match app's."), 401)
print "Token's client ID does not match app's."
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'] = credentials.access_token
login_session['gplus_id'] = gplus_id
# Get user info
userinfo_url = "https://www.googleapis.com/oauth2/v1/userinfo"
params = {'access_token': credentials.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']
user_id = UserModel().getUserID(login_session['email'])
if not user_id:
user_id = UserModel().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 logged in as %s" % login_session['username'])
print "done!"
return output
# DISCONNECT - Revoke a current user's token and reset their login_session
@app.route('/gdisconnect')
def gdisconnect():
access_token = login_session.get('access_token')
if access_token is None:
print 'Access Token is None'
response = make_response(json.dumps(
'Current user not connected.'), 401)
response.headers['Content-Type'] = 'application/json'
return response
print 'In gdisconnect access token is %s', access_token
print 'User name is: '
print login_session['username']
revoke_url = 'https://accounts.google.com/o/oauth2/revoke?token='
url = revoke_url + login_session['access_token']
h = httplib2.Http()
result = h.request(url, 'GET')[0]
print 'result is '
print result
if result['status'] == '200':
del login_session['access_token']
del login_session['gplus_id']
del login_session['username']
del login_session['email']
del login_session['picture']
response = make_response(json.dumps(
'Successfully disconnected.'), 200)
response.headers['Content-Type'] = 'application/json'
return redirect("/")
else:
response = make_response(json.dumps(
'Failed to revoke token for given user.', 400))
response.headers['Content-Type'] = 'application/json'
return response
# Home route
@app.route('/')
def index():
products = ProductModel().products(1)
loggedin = checkLogin()
links = Workers().getNavLinks()
slider = Workers().getSlider()
return render_template('index.html',
navlinks=links, products=products,
loggedin=loggedin, slider=slider)
# Category page
@app.route('/catalog/<int:catalog_id>/products')
def categoryCatalog(catalog_id):
products = ProductModel().products(catalog_id)
catalog = CatalogModel().catalog(catalog_id)
loggedin = checkLogin()
links = Workers().getNavLinks()
return render_template('category.html',
navlinks=links, catalog=catalog,
products=products, loggedin=loggedin)
# Product page
@app.route('/catalog/<int:catalog_id>/product/<int:id>')
def productPage(catalog_id, id):
product = ProductModel().product(id)
catalog = CatalogModel().catalog(catalog_id)
loggedin = checkLogin()
links = Workers().getNavLinks()
return render_template('product.html',
navlinks=links, product=product,
catalog=catalog, loggedin=loggedin)
# Products JSON
@app.route('/catalog/<int:catalog_id>/products/JSON')
def categoryCatalogJSON(catalog_id):
products = ProductModel().products(catalog_id)
return jsonify(products=[i.serialize for i in products])
# Product JSON
@app.route('/product/<int:id>/JSON')
def productJSON(id):
product = ProductModel().product(id)
return jsonify(product=[product.serialize])
# Catalogs JSON
@app.route('/catalogs/JSON')
def catalogsJSON():
return jsonify(Workers().catalogsJSON())
# Admin home route
@app.route('/admin')
@login_required
def adminHome():
catalogs = Workers().getNavLinks()
print(login_session)
return render_template('admin/index.html', catalogs=catalogs)
# Admin category edit route
@app.route('/admin/catalog/<int:catalog_id>', methods=['GET', 'POST'])
@login_required
def adminCatalog(catalog_id):
catalog = CatalogModel().catalog(catalog_id)
if request.method == 'POST':
if Workers().checkAuth(catalog.user_id, login_session):
CatalogModel().updateCatalog(request.form)
catalog = CatalogModel().catalog(catalog_id)
flash("Catalog edited sucessfully")
return render_template('admin/catalog.html', catalog=catalog)
else:
flash("Catalog can only be edited by creator", "error")
return render_template('admin/catalog.html', catalog=catalog)
else:
return render_template('admin/catalog.html', catalog=catalog)
# Admin category delete route
@app.route('/admin/catalog/<int:catalog_id>/delete', methods=['GET', 'POST'])
@login_required
def deleteCatalog(catalog_id):
catalog = CatalogModel().catalog(catalog_id)
if request.method == 'POST':
if Workers().checkAuth(catalog.user_id, login_session):
CatalogModel().deleteCatalog(catalog_id)
flash("Catalog deleted sucessfully")
return redirect("/admin")
else:
flash("Catalog can only be deleted by creator", "error")
return render_template('admin/catalog.html', catalog=catalog)
else:
return render_template('admin/deleteCatalog.html', catalog=catalog)
# Admin new category route
@app.route('/admin/<global_id>/catalog/new', methods=['GET', 'POST'])
@login_required
def newCatalog(global_id):
if request.method == 'POST':
CatalogModel().createCatalog(request.form, login_session['user_id'])
flash("Catalog created sucessfully")
return redirect("/admin")
else:
global_catalog = GlobalCatalogModel().global_catalog(global_id)
return render_template('admin/newCatalog.html',
global_catalog=global_catalog)
# Admin category products view
@app.route('/admin/catalog/<int:catalog_id>/products')
@login_required
def adminProducts(catalog_id):
products = ProductModel().products(catalog_id)
catalog = CatalogModel().catalog(catalog_id)
return render_template('admin/products.html',
catalog=catalog, products=products)
# Admin products edit route
@app.route('/admin/catalog/<int:catalog_id>/product/<int:product_id>',
methods=['GET', 'POST'])
@login_required
def productView(catalog_id, product_id):
catalog = CatalogModel().catalog(catalog_id)
product = ProductModel().product(product_id)
if request.method == 'POST':
if Workers().checkAuth(product.user_id, login_session):
ProductModel().updateProduct(request.form)
flash("Product sucessfully edited")
return redirect(url_for('adminProducts', catalog_id=catalog_id))
else:
flash("Product can only be edited by creator", "error")
return redirect(url_for('adminProducts', catalog_id=catalog_id))
else:
product = ProductModel().product(product_id)
catalog = CatalogModel().catalog(catalog_id)
return render_template('admin/product.html',
product=product, catalog=catalog)
# Admin product delete route
@app.route('/admin/catalog/<int:catalog_id>/product/<int:product_id>/delete',
methods=['GET', 'POST'])
@login_required
def deleteProduct(catalog_id, product_id):
catalog = CatalogModel().catalog(catalog_id)
product = ProductModel().product(product_id)
if request.method == 'POST':
if Workers().checkAuth(product.user_id, login_session):
ProductModel().deleteProduct(product_id)
flash("Product sucessfully deleted")
return redirect(url_for('adminProducts', catalog_id=catalog_id))
else:
flash("Product can only be deleted by creator", "error")
return redirect(url_for('adminProducts', catalog_id=catalog_id))
else:
product = ProductModel().product(product_id)
catalog = CatalogModel().catalog(catalog_id)
return render_template('admin/deleteProduct.html',
catalog=catalog, product=product)
# Admin new product route
@app.route('/admin/catalog/<int:catalog_id>/product/new',
methods=['GET', 'POST'])
@login_required
def newProduct(catalog_id):
if request.method == 'POST':
ProductModel().createProduct(request.form, login_session['user_id'])
flash("Product sucessfully created")
print("Product created by user: %s" % login_session['user_id'])
return redirect(url_for('adminProducts', catalog_id=catalog_id))
else:
catalog = CatalogModel().catalog(catalog_id)
return render_template('admin/newProduct.html', catalog=catalog)
# Admin user crud route
@app.route('/admin/user/<int:user_id>',
methods=['GET', 'PUT', 'POST', 'DELETE'])
@login_required
def userView(user_id):
user = UserModel().user(user_id)
if request.method == 'PUT':
UserModel().updateUser(request.form)
elif request.method == 'POST':
UserModel().createUser(request.form)
elif request.method == 'DELETE':
UserModel().deleteUser(request.form['id'])
else:
return render_template('admin/user.html', user=user)
if __name__ == '__main__':
app.secret_key = 'super_secret_key'
app.debug = True
app.run(host='0.0.0.0', port=5000)