pythonmonkey-crypto-js-fullstack-example/main.py at main · Distributive-Network/pythonmonkey-crypto-js-fullstack-example · GitHub

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#!/usr/bin/env python3

"""

This is a simple fullstack app that allows a user to encrypt and

decrypt arbitrary text.

"""

# use PythonMonkey require to require the aes JavaScript module

import pythonmonkey as pm

aes = pm.require("./aes")

from http.server import BaseHTTPRequestHandler, HTTPServer

from urllib.parse import parse_qs, urlparse

import time

hostName = "localhost"

hostPort = 9001

class MyServer(BaseHTTPRequestHandler):

def do_GET(self):

parsed_path = urlparse(self.path)

params = parse_qs(parsed_path.query)

if (self.path == '/'):

f = open("./index.html", 'rb')

self.send_response(200)

self.send_header('Content-type', 'text/html')

self.end_headers()

self.wfile.write(f.read())

f.close()

return

# handle requests for encrypting a strign

elif (self.path.split("?")[0] == '/encrypt'):

message = params['message'][0]

key = params['key'][0]

# aes.encrypt() is a JavaScript function

cipher = aes.encrypt(message, key)

# respond with the encrypted string

self.send_response(200)

self.send_header("Content-type", "text/html")

self.end_headers()

writeHTMLresponse(self.wfile.write, f"The encrypted string is: {cipher}")

print(cipher)

return

# handle requests for decrypting a strign

elif (self.path.split("?")[0] == '/decrypt'):

cipher = params['ciphertext'][0]

key = params['key'][0]

# aes.decrypt() is a JavaScript function

plain_text = aes.decrypt(cipher, key)

# respond with the decrypted string

self.send_response(200)

self.send_header("Content-type", "text/html")

self.end_headers()

writeHTMLresponse(self.wfile.write, f"The decrypted string is: {plain_text}")

print(plain_text)

return

else:

self.send_response(404)

self.send_header("Content-type", "text/html")

self.end_headers()

writeHTMLresponse(self.wfile.write, "404 not found")

def writeHTMLresponse(writer, message):

writer(bytes("<html><head><title>AES Encryption</title></head>", "utf-8"))

writer(bytes("<body>", "utf-8"))

writer(bytes(f"{message}", "utf-8"))

writer(bytes("</body></html>", "utf-8"))

myServer = HTTPServer((hostName, hostPort), MyServer)

print(time.asctime(), "Server running at http://%s:%s" % (hostName, hostPort))

try:

myServer.serve_forever()

except KeyboardInterrupt:

myServer.server_close()

pythonmonkey-crypto-js-fullstack-example/main.py at main · Distributive-Network/pythonmonkey-crypto-js-fullstack-example · GitHub

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