Simple HTTPS client example

client.py

#!/usr/bin/python3

import socket
import ssl

from urllib3.util.ssl_ import create_urllib3_context, resolve_ssl_version

# example.com IP address
ADDRESS = '93.184.216.34'
PORT = 443

# HTTP request
message = """\
GET / HTTP/1.1
Host: example.com

"""

# Context for SSL Handshake
context = create_urllib3_context(
    ssl_version=resolve_ssl_version(None),
    cert_reqs=ssl.VerifyMode.CERT_REQUIRED)

# Root CA certificates for example.com
context.load_verify_locations('/home/ritik/Videos/example_root_CA.crt', None)

# Simple TCP Socket specification
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

# Initialize SSL socket
conn = context.wrap_socket(s, server_side=False)

# TCP + TLS Handshake
conn.connect((ADDRESS, PORT))
# SSL secured connection established
print("SSL established. Peer: {} \n".format(conn.getpeercert()))

# Send the request
print("Requesting for home page")
conn.send(message.encode())
print("Request sent, Waiting for response")

# Wait for server to respond
server_message = conn.recv(1024)

# print received message
print("Received message: \n{}".format(server_message.decode()))

# Close the connection
print("Closing connection")
conn.close()

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