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from flask import Flask, Response
from flask import render_template
from flask import request
app = Flask(__name__)
def hello():
return render_template("index.html")
def flag():
user_agent = request.headers.get('User-Agent')
black_list = ["curl", "Curl", "Python", "CURL", "PHP", "python", "Ruby", "iPhone"]
for i in black_list:
if i in user_agent:
return "Request Error~"
return render_template("flag.html")
def manifest():
s = '''
"name": "Kaibro",
"short_name": "Kaibro",
"icons": [{
"src": "/favicon.ico",
"sizes": "192x192",
"type": "image/png"
"start_url": "/",
"display": "standalone",
"orientation": "portrait",
"background_color": "#FAFAFA",
"theme_color": "#6387F5"
return s
def sw():
s = '''
this.addEventListener('install', function(event) {
console.log('Perform install steps');
event.waitUntil('v1').then(function(cache) {
console.log('Opened cache');
return cache.addAll([
this.addEventListener('activate', function(event){
this.addEventListener('fetch', function(event) {
console.log('Handling fetch event for', event.request.url);
caches.match(event.request).then(function(response) {
if (response) {
return new Response('<h2>Flag is here! But I catch it!</h2><img src="">', {
headers: { 'Content-Type': 'text/html' }
console.log('Found response in cache:', response);
return response;
} else {
console.log('No response found in cache. About to fetch from network...');
return fetch(event.request).then(function(response) {
console.log('Response from network is:', response);
// return'v1').then(function(cache) {
// cache.put(event.request, response.clone());
// return response;
// });
return response;
}).catch(function(error) {
console.error('Fetching failed:', error);
throw error;
return Response(s, mimetype='text/javascript')
if __name__ == "__main__":'', port='35000', ssl_context=('cert.pem', 'key.pem'))
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