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# mHTTP - A simple HTTP server

# Written by M.V.Harish Kumar on 24/10/2023

import sys, socket

from pathlib import Path

HOST = "0.0.0.0"

PORT = 1997

FOLDER = '.' if len(sys.argv) < 2 else sys.argv[1]

def get_content(path):

ext = "html"

if path == "/":

try:

with open(FOLDER + "/index.html", "r") as f:

content = f.read()

except FileNotFoundError:

content = "The Server is working! but there is no index.html file to render"

else:

try:

with open(FOLDER + path, "r") as f:

if Path(FOLDER + path).suffix != ".html":

ext = "plain"

content = f.read()

except FileNotFoundError:

return 404, "File not found", ext

return 200, content, ext

with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:

try:

s.bind((HOST, PORT))

s.listen()

print("mHTTP: The Micro-HTTP Server")

print(f"Server Started running at {HOST}:{PORT}\n")

print("mhttp: waiting for connections...")

while True:

clnt, caddr = s.accept()

with clnt:

print(f"mhttp: got connection from {caddr[0]}:{caddr[1]}")

req = clnt.recv(1024).decode()

if not req:

print("mhttp: connection closed unexpectedly", file=sys.stderr)

break

req = req.split("\r\n")

print(f"mhttp: got request: {req[0]}")

path = req[0].split(" ")[1]

sts_cd, content, ftype = get_content(path)

resp = f"HTTP/1.1 {sts_cd}\r\n" \

f"Content-Type: text/{ftype}\r\n" \

"\r\n" + content

clnt.sendall(resp.encode())

print(f"mhttp: sent response({sts_cd}) to {caddr[0]}:{caddr[1]}")

except KeyboardInterrupt:

print("mhttp: Got Keyboard Interrupt", file=sys.stderr)

print("mhttp: Closing Connection.", file=sys.stderr)