streamlink/src/streamlink_cli/utils/http_server.py

115 lines
3.1 KiB
Python

import socket
from http.server import BaseHTTPRequestHandler
from io import BytesIO
class HTTPRequest(BaseHTTPRequestHandler):
def __init__(self, request_text):
self.rfile = BytesIO(request_text)
self.raw_requestline = self.rfile.readline()
self.error_code = self.error_message = None
self.parse_request()
def send_error(self, code, message):
self.error_code = code
self.error_message = message
class HTTPServer:
def __init__(self):
self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.conn = self.host = self.port = None
self.bound = False
@property
def addresses(self):
if self.host:
return [self.host]
addrs = set()
try:
for info in socket.getaddrinfo(socket.gethostname(), self.port,
socket.AF_INET):
addrs.add(info[4][0])
except socket.gaierror:
pass
addrs.add("127.0.0.1")
return sorted(addrs)
@property
def urls(self):
for addr in self.addresses:
yield "http://{0}:{1}/".format(addr, self.port)
@property
def url(self):
return next(self.urls, None)
def bind(self, host="127.0.0.1", port=0):
try:
self.socket.bind((host or "", port))
except OSError:
raise
self.socket.listen(1)
self.bound = True
self.host, self.port = self.socket.getsockname()
if self.host == "0.0.0.0":
self.host = None
def open(self, timeout=30):
self.socket.settimeout(timeout)
try:
conn, addr = self.socket.accept()
conn.settimeout(None)
except socket.timeout as err:
raise OSError("Socket accept timed out") from err
try:
req_data = conn.recv(1024)
except OSError as err:
raise OSError("Failed to read data from socket") from err
req = HTTPRequest(req_data)
if req.command not in ("GET", "HEAD"):
conn.send(b"HTTP/1.1 501 Not Implemented\r\n")
conn.close()
raise OSError(f"Invalid request method: {req.command}")
try:
conn.send(b"HTTP/1.1 200 OK\r\n")
conn.send(b"Server: Streamlink\r\n")
conn.send(b"Content-Type: video/unknown\r\n")
conn.send(b"\r\n")
except OSError as err:
raise OSError("Failed to write data to socket") from err
# We don't want to send any data on HEAD requests.
if req.command == "HEAD":
conn.close()
raise OSError
self.conn = conn
return req
def write(self, data):
if not self.conn:
raise OSError("No connection")
self.conn.sendall(data)
def close(self, client_only=False):
if self.conn:
self.conn.close()
if not client_only:
try:
self.socket.shutdown(2)
except OSError:
pass
self.socket.close()