/
server.py
170 lines (150 loc) · 7.42 KB
/
server.py
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import json
from flask import Flask
from flask import request
from flask.ext.bcrypt import Bcrypt
from wtforms import Form, TextField, PasswordField, validators
from random import randint
import database_helper
app = Flask(__name__)
bcrypt = Bcrypt(app)
class SignUpForm(Form):
firstName = TextField('First name', [validators.Required()])
lastName = TextField('Last name', [validators.Required()])
gender = TextField('Gender', [validators.Required(), validators.AnyOf(values=['Male', 'Female'])])
city = TextField('City', [validators.Required()])
country = TextField('Country', [validators.Required()])
signupEmail = TextField('Email', [validators.Required(), validators.Email()])
signupPassword = PasswordField('Password', [validators.Required(), validators.Length(min=6)])
class ChangePasswordForm(Form):
oldPassword = PasswordField('Old password', [validators.Required()])
newPassword = PasswordField('Repeat password', [validators.Required(), validators.Length(min=6)])
@app.before_request
def beforeRequest():
database_helper.connectToDatabase()
@app.teardown_request
def teardownRequest(exception):
database_helper.closeDatabaseConnection()
def createToken():
letters = 'abcdefghiklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890'
token = ''
for i in range(0, 36):
token += letters[randint(0,len(letters) - 1)]
return token
def validLogin(email, password):
passwordHash = database_helper.getUserPasswordByEmail(email)
if passwordHash is None:
return False
else:
if bcrypt.check_password_hash(passwordHash, password):
return True
else:
return False
def emailExists(email):
user = database_helper.getUserByEmail(email)
if user is None:
return False
else:
return True
@app.route('/sign_in', methods=['POST'])
def signIn():
if validLogin(request.form['loginEmail'], request.form['loginPassword']):
token = createToken()
result = database_helper.insertSignedInUser(token, request.form['loginEmail']);
if result == True:
return json.dumps({'success': True, 'message': 'Successfully signed in.', 'data': token}), 200
else:
return json.dumps({'success': False, 'message': 'Could not sign in user.'}), 503
else:
return json.dumps({'success': False, 'message': 'Wrong username or password.'}), 400
@app.route('/sign_up', methods=['POST'])
def signUp():
form = SignUpForm(request.form)
if form.validate():
if emailExists(request.form['signupEmail']) == False:
passwordHash = bcrypt.generate_password_hash(request.form['signupPassword'])
result = database_helper.insertUser(request.form['signupEmail'], request.form['firstName'], request.form['lastName'], request.form['gender'], request.form['city'], request.form['country'], passwordHash)
if result == True:
return json.dumps({'success': True, 'message': 'Successfully created a new user.'}), 200
else:
return json.dumps({'success': False, 'message': 'Could not create user.'}), 503
else:
return json.dumps({'success': False, 'message': 'User already exists.'}), 400
else:
return json.dumps({'success': False, 'message': 'Form data missing or incorrect type.'}), 400
@app.route('/sign_out/<token>', methods=['GET'])
def signOut(token):
email = database_helper.getUserEmailByToken(token)
if email is not None:
result = database_helper.deleteSignedInUser(token)
if result == True:
return json.dumps({'success': True, 'message': 'Successfully signed out.'}), 200
else:
return json.dumps({'success': False, 'message': 'Could not delete signed in user.'}), 503
else:
return json.dumps({'success': False, 'message': 'You are not signed in.'}), 405
@app.route('/change_password/<token>', methods=['GET', 'POST'])
def changePassword(token):
form = ChangePasswordForm(request.form)
if form.validate():
email = database_helper.getUserEmailByToken(token)
if email is not None:
if validLogin(email, request.form['oldPassword']):
passwordHash = bcrypt.generate_password_hash(request.form['newPassword'])
result = database_helper.updateUserPassword(email, passwordHash)
if result == True:
return json.dumps({'success': True, 'message': 'Password changed.'}), 200
else:
return json.dumps({'success': False, 'message': 'Could not update password.'}), 503
else:
return json.dumps({'success': False, 'message': 'Wrong password.'}), 400
else:
return json.dumps({'success': False, 'message': 'You are not signed in.'}), 405
else:
return json.dumps({'success': False, 'message': 'Form data missing or incorrect type.'}), 400
@app.route('/get_user_data/<token>', defaults={'email': None}, methods=['GET'])
@app.route('/get_user_data/<token>/<email>', methods=['GET'])
def getUserData(token, email):
if email is None:
email = database_helper.getUserEmailByToken(token)
signedInEmail = database_helper.getUserEmailByToken(token)
if signedInEmail is not None:
user = database_helper.getUserByEmail(email)
if user is not None:
return json.dumps({'success': True, 'message': 'User data retrieved.', 'data': user}), 200
else:
return json.dumps({'success': False, 'message': 'No such user.'}), 404
else:
return json.dumps({'success': False, 'message': 'You are not signed in.'}), 405
@app.route('/get_user_messages/<token>', defaults={'email': None}, methods=['GET'])
@app.route('/get_user_messages/<token>/<email>', methods=['GET'])
def getUserMessagesByEmail(token, email):
if email is None:
email = database_helper.getUserEmailByToken(token)
signedInEmail = database_helper.getUserEmailByToken(token)
if signedInEmail is not None:
if emailExists(email):
messages = database_helper.getUserMessagesByEmail(email)
messagesList = []
for message in messages:
messagesList.append({'messageId': message[0], 'message': message[1], 'datePosted': message[2], 'wallEmail': message[3], 'writer': message[4]})
return json.dumps({'success': True, 'message': 'User messages retreived.', 'data': messagesList}), 200
else:
return json.dumps({'success': False, 'message': 'No such user.'}), 404
else:
return json.dumps({'success': False, 'message': 'You are not signed in.'}), 405
@app.route('/post_message/<token>/<email>', methods=['POST'])
def postMessage(token, email):
signedInEmail = database_helper.getUserEmailByToken(token)
if signedInEmail is not None:
if emailExists(email):
if len(request.form['message']) > 0:
database_helper.insertMessage(signedInEmail, email, request.form['message'])
return json.dumps({'success': True, 'message': 'Message posted.'}), 200
else:
return json.dumps({'success': False, 'message': 'Form data missing or incorrect type.'}), 400
else:
return json.dumps({'success': False, 'message': 'No such user.'}), 404
else:
return json.dumps({'success': False, 'message': 'You are not signed in.'}), 405
if __name__ == '__main__':
app.run(debug=True)