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routes.py
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routes.py
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from flask import request, render_template, redirect, url_for, jsonify
from app import app
from pywebpush import webpush
import json
from urllib.parse import urlparse
import time
users = {}
def send_web_push(subscriptionToken, message):
"""
Send push notification to the push server
"""
return webpush(
subscription_info = subscriptionToken,
data = message,
vapid_claims = {
"sub": "mailto:alex@example.org",
"aud": '{uri.scheme}://{uri.netloc}'.format(uri=urlparse(subscriptionToken['endpoint'])),
"exp": time.time()+300
},
vapid_private_key = app.config.get('VAPID_PRIVATE_KEY')
)
@app.route('/', methods=['GET', 'POST'])
def index():
if request.method == 'GET':
return render_template('index.html')
else:
username = request.form.get('username')
global users
users[username] = None
return redirect(url_for('home', username=username))
@app.route('/home')
def home():
username = request.args.get('username')
return render_template('home.html', username=username)
@app.route('/notify')
def notify():
return render_template('notify.html')
@app.route('/send')
def send():
recipient = request.args.get('recipient')
global users
recipient = users.get(recipient, None)
print(recipient)
if recipient:
push = send_web_push(recipient, 'You have a new notification')
print(push)
return jsonify(success=True, message="Notified")
else:
return jsonify(success=False, message="Recipient not found.")
@app.route('/subscribe', methods=['GET', 'POST'])
def subscribe():
if request.method == 'GET':
return app.config.get('VAPID_PUBLIC_KEY')
else:
message = 'User subscription successful'
subscriptionToken = json.loads(request.json['subToken'])
username = request.json['username']
print(f'subscription recieved from { username }')
global users
users[username] = subscriptionToken
send_web_push(subscriptionToken, message)
return jsonify(success=True)