app.py

from flask import Flask
from flask import Flask, flash, redirect, render_template, request, session, abort
import os
import pyrebase

config = {
    "apiKey" : "AIzaSyAIsSHOuNkfoGuUrJ5xQM2t6jNVT5TlHx8",
    "authDomain" : "cams-da440.firebaseapp.com",
    "databaseURL" : "https://cams-da440.firebaseio.com",
    "projectId" : "cams-da440",
    "storageBucket" : "cams-da440.appspot.com",
    "messagingSenderId" : "592415369968"
}
firebase = pyrebase.initialize_app(config)
db = firebase.database()

app = Flask(__name__)

#Firebase
from firebase import firebase
firebase = firebase.FirebaseApplication('https://cams-da440.firebaseio.com/', None)
crendentials = firebase.get('/credentials', None)

global active

@app.route('/', methods=['POST', 'GET'])
def home():
    return render_template('login.html')

@app.route('/login', methods=['POST', 'GET'])
def login():
    global active
    temp = -1
    username = request.form['uname']
    password = request.form['pass']
    for i in crendentials:
        if username in crendentials[i]['username'] and password in crendentials[i]['password']:
            temp += 1
            session['logged_in'] = True
            active = username
            return "Logged In"
    if temp == -1:
        return render_template('login.html', msg = "Invalid Credentials")


@app.route('/register',methods=['POST', 'GET'])
def register(): ##HAVE TO FINISH
    return render_template('register.html')

    '''username = request.form['uname']
    password = request.form['pass']
    print(username)
    print(password)
    if(request.form['submit']  == ' register'):
        #Update db command -->db.
        flash('Successfully Registered:) Go ahead and login')
    return render_template('login.html')
    '''

@app.route('/error')
def err():
    flash("Wrong password entered")
    return home()

@app.route("/logout")
def logout():
    session['logged_in'] = False
    global active
    active = None
    return home()

if __name__ == "__main__":
    app.secret_key = os.urandom(12)
    app.run(debug=True)