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#!/usr/bin/env python3
from threading import Thread
from socket import socket, SOL_SOCKET, SO_REUSEADDR
def enable_csp():
global ADD_HEADERS
ALL = ["'self'", "developer.mozilla.org"]
CSP = {
'script-src': ["'unsafe-inline'", *ALL],
'worker-src': [*ALL],
'style-src': ["'unsafe-inline'", *ALL],
'default-src': [*ALL],
}
ADD_HEADERS = 'Content-Security-Policy: ' + '; '.join(
k + ' ' + ' '.join(v) for k, v in CSP.items())
# ADD_HEADERS += '\r\n' + ADD_HEADERS.replace('cy: ', 'cy-Report-Only: ')
print(ADD_HEADERS)
ADD_HEADERS = '\r\n' + ADD_HEADERS
ADD_HEADERS = ''
class Client:
def __init__(self, sock, addr):
self.sock, self.addr = sock, addr
self.thread = None
def rec(self):
b = b''
while not b.endswith(b'\r\n\r\n'):
b += self.sock.recv(1)
lines = b.replace(b'\r\n', b'\n').decode('utf-8').strip('\n').split('\n')
method, loc, ver = lines[0].split(' ')
print(f'request from \'{self.addr}\': "{loc}"')
attrs = {key: value for key, value in (i.split(': ') for i in lines[1:])}
return method, loc, attrs, ver
def sen(self, loc, ver):
print(f'request {loc}')
closing = False
if loc.startswith('/'):
loc = loc[1:]
if not loc:
loc = 'index.html'
try:
if loc == 'favicon.ico':
raise FileNotFoundError
f = open(loc, 'rb')
c = f.read()
f.close()
print(f'successfully requested {loc}')
if loc.endswith('.js'):
mime = 'application/javascript'
elif loc.endswith('.html'):
mime = 'text/html'
elif loc.endswith('.wasm'):
mime = 'application/wasm'
else:
mime = 'text/plain'
packet = f'HTTP/1.1 200 Success\r\nContent-Length: {len(c)}\r\nContent-Type: {mime}{ADD_HEADERS}\r\n\r\n'.encode('utf-8') + c
pl = len(packet)
if pl != self.sock.send(packet):
self.sock.close()
closing = True
except FileNotFoundError:
print(f'error request {loc}')
self.sock.send(f'HTTP/1.1 404 Not Found\r\nContent-Length: 0\r\nContent-Type: text/plain\r\n\r\n'.encode('utf-8'))
finally:
try:
f.close()
except:
...
if closing:
return True
def run(self):
while True:
method, loc, attrs, ver = self.rec()
if self.sen(loc, ver): break
def run_threaded(self):
self.thread = Thread(target=self.run)
self.thread.start()
def run_server(addr, port):
ws = socket()
ws.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)
ws.bind((addr, port))
ws.listen()
clients = []
while True:
c, a = ws.accept()
print(f'{a[0]}:{a[1]} connected')
client = Client(c, a)
clients.append(clients)
client.run_threaded()
print('lnuertdenuvtdevn')
if __name__ == '__main__':
from sys import argv
daemon = False
addr = 'localhost'
flag = None
for arg in argv[1:]:
if flag is not None:
if flag == 'addr':
addr = arg
elif flag == 'port':
port = int(arg)
flag = None
elif arg in ('-d', '--daemon'):
daemon = True
elif arg in ('-a', '--addr', '--address'):
flag = 'addr'
elif arg in ('-p', '--port'):
flag = 'port'
elif arg in ('--csp',):
enable_csp()
else:
print(f'warn: ignore invalid argument "{arg}"')
daemon = len(argv) > 1 and argv[1] in ('-d', '--daemon')
if ':' in addr:
addr, port = addr.split(':')
port = int(port)
if daemon:
import sys
from os import getcwd
from daemon import DaemonContext
with DaemonContext(working_directory=getcwd(), stderr=sys.stderr):
run_server(addr, port)
else:
run_server(addr, port)
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