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api.py
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api.py
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from flask import Flask, request, abort, url_for, render_template, session, Response
from flask import g
from flask.ext.cors import CORS
from flask_restful import Resource, Api
from flask_mail import Mail
from passlib.hash import sha512_crypt
import json
from corsDecorator import crossdomain
from database import DatabaseManager
from myemail import *
# Config
SECRET_KEY = "development key"
# Encryption config
SECURITY_PASSWORD_SALT = 'securitykey'
# Email config
MAIL_SERVER = "smtp.gmail.com" # SMTP Server
MAIL_PORT = 465 # SMTP Port
MAIL_USE_TLS = False
MAIL_USE_SSL = True
MAIL_DEBUG = True
# Login information
MAIL_USERNAME = "noreply.wording@gmail.com"
MAIL_PASSWORD = "TestingPassword"
# Mail sender addres
MAIL_DEFAULT_SENDER = "noreply.wording@gmail.com"
app = Flask(__name__)
CORS(app)
app.config.from_object(__name__)
api = Api(app)
# Setup email
mail = Mail(app)
# Register
@app.route('/register', methods = ['POST', 'OPTIONS'])
@crossdomain(origin='*', headers='content-type')
def register():
db_manager = DatabaseManager()
username = request.json.get('username')
password = sha512_crypt.encrypt(request.json.get('password'), salt=app.config['SECURITY_PASSWORD_SALT'], rounds=5000)
email = request.json.get('email')
# Check if everything filled in
if username is None or password is None or email is None:
return "ERROR, not everything filled in" # missing arguments
# Check if already exists
elif db_manager.username_exists(username) or db_manager.email_exists(email):
return "ERROR, username and/or email do already exist" # username and/or email do already exist
else:
db_manager.create_user(username=username, password_hash=password, email=email, email_verified=False)
# Email verification
token = generate_confirmation_token(email)
confirm_url = url_for('verify_email', token=token, _external=True)
html = render_template('email.html', confirm_url=confirm_url)
subject = "Please confirm your email"
send_email(email, subject, html)
return "Successfully created user, please verify email.\n"
# Verify email
@app.route('/verify/<token>')
def verify_email(token):
db_manager = DatabaseManager()
email = confirm_token(token)
if db_manager.email_is_verified(email):
return "Email already verified.\n"
else:
# Verify
db_manager.verify_email(email)
return "Email Successfully verified.\n"
# Authenticate user
@app.route('/authenticate', methods=['POST','OPTIONS']) # Options is for the browser to validate
@crossdomain(origin='*', headers='content-type') # Headers need to be set
def authenticate():
db_manager = DatabaseManager()
username = request.json.get('username')
password = sha512_crypt.encrypt(request.json.get('password'), salt=app.config['SECURITY_PASSWORD_SALT'], rounds=5000)
if username and password:
if db_manager.get_user(username):
if db_manager.get_user(username).get('email_verified'):
# Check password
if db_manager.check_password(username, password):
return json.dumps({
"token": db_manager.generate_auth_token(username, password).decode("utf-8")
})
else:
return "ERROR, Email not verified"
else:
return "ERROR, User not found"
else:
return Response('Login!', 401, {'WWW-Authenticate': 'Basic realm="Login!"'})
# Save list
@app.route('/savelist', methods=["POST", "OPTIONS"])
@crossdomain(origin='*', headers="content-type")
def save_list():
db_manager = DatabaseManager()
username = request.json.get('username')
list_data = request.json.get('list_data')
token = request.json.get('token')
if username == None or list_data == None or token == None:
abort(400)
# Verifiy token
token_credentials = db_manager.verify_auth_token(token=token)
if token_credentials is None:
return json.dumps({ 'username':'ERROR, No user' })
elif not db_manager.check_password(token_credentials[0], token_credentials[1]):
return json.dumps({ 'username':'ERROR, Wrong token'})
elif token_credentials[0] != username:
abort(401)
if list_data.get('listname') is None or list_data.get('language_1_tag') is None or list_data.get('language_2_tag') is None or list_data.get('shared_with') is None:
abort(400)
if list_data.get('listname') is "" or list_data.get('language_1_tag') is "" or list_data.get('language_2_tag') is "" or list_data.get('shared_with') is "":
abort(400)
if db_manager.listname_exists_for_user(username, list_data.get('listname')):
db_manager.delete_list(username, list_data.get('listname'))
db_manager.create_list(username, list_data.get('listname'), list_data.get('language_1_tag'), list_data.get('language_2_tag'), list_data.get('shared_with'))
words = list_data.get('words')
for i in range(len(words)):
word = words[i]
if word.get('language_1_text') is u'' or word.get('language_2_text') is u'':
continue
db_manager.create_translation(username, list_data.get('listname'), word.get('language_1_text'), word.get('language_2_text'))
return "Saved list"
@app.route('/deleteList', methods=['POST', 'OPTIONS'])
@crossdomain(origin='*', headers='content-type')
def delete_list():
db_manager = DatabaseManager()
username = request.json.get('username')
listname = request.json.get('listname')
token = request.json.get('token')
if username == None or listname == None or token == None:
abort(400)
# Verifiy token
token_credentials = db_manager.verify_auth_token(token=token)
if token_credentials is None:
return json.dumps({ 'username':'ERROR, No user' })
elif not db_manager.check_password(token_credentials[0], token_credentials[1]):
return json.dumps({ 'username':'ERROR, Wrong token'})
elif token_credentials[0] != username:
abort(401)
if not db_manager.listname_exists_for_user(username, listname):
return "No list found"
if db_manager.listname_exists_for_user(username, listname):
db_manager.delete_list(username, listname)
return "Successfully deleted list"
return abort(401)
# Friends
@app.route('/friendRequest', methods=['POST', 'OPTIONS'])
@crossdomain(origin='*', headers='content-type')
def friend_request():
db_manager = DatabaseManager()
username = request.json.get('username')
friendname = request.json.get('friendname')
if username == None or friendname == None:
abort(400)
if db_manager.username_exists(username) and db_manager.username_exists(friendname):
if not db_manager.users_are_friends(username, friendname):
email = db_manager.get_user(friendname).get("email")
# Email request
token = generate_confirmation_token([ username, friendname])
confirm_url = url_for('accept_friend', token=token, _external=True)
html = render_template('friend.html', confirm_url=confirm_url, name=username)
subject = "New friend request"
send_email(email, subject, html)
return "Email sent"
else:
return "ERROR, already friends"
@app.route('/acceptFriend/<token>')
def accept_friend(token):
db_manager = DatabaseManager()
names = confirm_token(token)
if db_manager.users_are_friends(names[0], names[1]):
return "Already friends"
else:
db_manager.create_friendship(names[0], names[1])
return "Now friends"
@app.route('/getFriends', methods=['POST', 'OPTIONS'])
@crossdomain(origin='*', headers="content-type")
def get_friends():
db_manager = DatabaseManager()
username = request.json.get('username')
token = request.json.get('token')
if username == None or token == None:
abort(400)
# Verifiy token
token_credentials = db_manager.verify_auth_token(token=token)
if token_credentials is None:
return json.dumps({ 'username':'ERROR, No user' })
elif not db_manager.check_password(token_credentials[0], token_credentials[1]):
return json.dumps({ 'username':'ERROR, Wrong token'})
elif token_credentials[0] != username:
abort(401)
friends = db_manager.get_friends_for_user(username)
# It is unsafe to send your friends password hash to the browser... email_verified and id aren't needed
for friend in friends: del friend['password_hash']; del friend['email_verified']; del friend['id']
return json.dumps(friends)
@app.route('/changePassword', methods=['POST', 'OPTIONS'])
@crossdomain(origin='*', headers="content-type")
def change_password():
db_manager = DatabaseManager()
username = request.json.get('username')
old_password = sha512_crypt.encrypt(request.json.get('old_password'), salt=app.config['SECURITY_PASSWORD_SALT'], rounds=5000)
new_password = sha512_crypt.encrypt(request.json.get('new_password'), salt=app.config['SECURITY_PASSWORD_SALT'], rounds=5000)
token = request.json.get('token')
# Not everything filled in
if username == None or old_password == None or new_password == None or token == None:
abort(400)
# Verifiy token
token_credentials = db_manager.verify_auth_token(token=token)
if token_credentials is None:
return json.dumps({ 'username':'ERROR, No user' })
elif not db_manager.check_password(token_credentials[0], token_credentials[1]):
return json.dumps({ 'username':'ERROR, Wrong token'})
elif token_credentials[0] != username:
abort(401)
if db_manager.check_password(username, old_password):
db_manager.change_password(username, old_password, new_password)
return "Changed password"
else:
return "ERROR, Wrong password"
# REST Recource with app.route
@app.route('/<username>', methods=["POST", "OPTIONS"])
@crossdomain(origin='*', headers="content-type")
def get(username):
db_manager = DatabaseManager()
token = request.json.get('token')
if token is None or token is "":
return json.dumps({ 'username':'ERROR, No token' })
# Verifiy token
token_credentials = db_manager.verify_auth_token(token=token)
if token_credentials is None:
return json.dumps({ 'username':'ERROR, No user' })
elif not db_manager.check_password(token_credentials[0], token_credentials[1]):
return json.dumps({ 'username':'ERROR, Wrong token'})
if db_manager.username_exists(username):
# Return all lists
if token_credentials[0] == username:
user_info = db_manager.get_user(username)
list_lists = db_manager.get_lists_for_user(username)
for l in list_lists: del l['user_id']; del l['id']
return json.dumps({
'username': user_info.get("username"),
'email' : user_info.get("email"),
'lists' : list_lists
})
# Return friend lists if you are friends
elif db_manager.users_are_friends(username, token_credentials[0]):
user_info = db_manager.get_user(username)
list_lists = db_manager.get_lists_for_user(username)
for l in list_lists:
if l['shared_with'] == "0":
list_lists.remove(l)
del l['user_id']
del l['id']
return json.dumps({
'username': user_info.get("username"),
'email' : user_info.get("email"),
'lists' : list_lists
})
# Return everyone shared lists
else:
user_info = db_manager.get_user(username)
list_lists = db_manager.get_lists_for_user(username)
for l in list_lists:
if l['shared_with'] != "2":
list_lists.remove(l)
del l['user_id']
del l['id']
return json.dumps({
'username': user_info.get("username"),
'email' : user_info.get("email"),
'lists' : list_lists
})
else:
return json.dumps({
'username': 'ERROR: This shouldn\'t happen'
})
@app.route('/<username>/<listname>', methods=['POST', 'OPTIONS'])
@crossdomain(origin='*', headers="content-type")
def show_user_list(username, listname):
db_manager = DatabaseManager()
token = request.json.get("token")
if token is None or token is "":
return json.dumps({ 'username':'ERROR, No token' })
# Verifiy token
token_credentials = db_manager.verify_auth_token(token=token)
if token_credentials is None:
return json.dumps({ 'username':'ERROR, No user' })
elif not db_manager.check_password(token_credentials[0], token_credentials[1]):
return json.dumps({ 'username':'ERROR, Wrong token'})
if db_manager.username_exists(username):
if db_manager.listname_exists_for_user(username, listname):
list_data = db_manager.get_list(username, listname)
shared_with = list_data.get("shared_with")
translations = db_manager.get_translations_for_list(username, listname)
for translation in translations: del translation['id']; del translation['list_id']
# Check if is owner
if username == token_credentials[0]:
return json.dumps({
'listname' : listname,
'language_1_tag' : list_data.get("language_1_tag"),
'language_2_tag' : list_data.get("language_2_tag"),
'words' : translations,
'shared_with' : shared_with
})
# Check if is friend
elif shared_with == '1' and db_manager.users_are_friends(username, token_credentials[0]):
return json.dumps({
'listname' : listname,
'language_1_tag' : list_data.get("language_1_tag"),
'language_2_tag' : list_data.get("language_2_tag"),
'words' : translations,
'shared_with' : shared_with
})
elif shared_with == '2':
return json.dumps({
'listname' : listname,
'language_1_tag' : list_data.get("language_1_tag"),
'language_2_tag' : list_data.get("language_2_tag"),
'words' : translations,
'shared_with' : shared_with
})
else:
abort(401)
else:
return json.dumps({
'username': 'ERROR: This shouldn\'t happen'
})
else:
return json.dumps({
'username': 'ERROR: This shouldn\'t happen'
})
@app.after_request
def after_request(response):
print("after_request happening")
response.headers.add('Access-Control-Allow-Origin', '*')
response.headers.add('Access-Control-Allow-Headers', 'Content-Type,Authorization')
response.headers.add('Access-Control-Allow-Methods', 'GET,PUT,POST,DELETE')
return response
# Run app
if __name__ == '__main__':
app.run(host='0.0.0.0', port=5000, debug=False)