Server IP : 85.214.239.14 / Your IP : 3.145.37.211 Web Server : Apache/2.4.62 (Debian) System : Linux h2886529.stratoserver.net 4.9.0 #1 SMP Tue Jan 9 19:45:01 MSK 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.18 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : OFF | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /usr/share/doc/python3-h2/examples/twisted/ |
Upload File : |
# -*- coding: utf-8 -*- """ twisted-server.py ~~~~~~~~~~~~~~~~~ A fully-functional HTTP/2 server written for Twisted. """ import functools import mimetypes import os import os.path import sys from OpenSSL import crypto from twisted.internet.defer import Deferred, inlineCallbacks from twisted.internet.protocol import Protocol, Factory from twisted.internet import endpoints, reactor, ssl from h2.config import H2Configuration from h2.connection import H2Connection from h2.events import ( RequestReceived, DataReceived, WindowUpdated ) from h2.exceptions import ProtocolError def close_file(file, d): file.close() READ_CHUNK_SIZE = 8192 class H2Protocol(Protocol): def __init__(self, root): config = H2Configuration(client_side=False) self.conn = H2Connection(config=config) self.known_proto = None self.root = root self._flow_control_deferreds = {} def connectionMade(self): self.conn.initiate_connection() self.transport.write(self.conn.data_to_send()) def dataReceived(self, data): if not self.known_proto: self.known_proto = True try: events = self.conn.receive_data(data) except ProtocolError: if self.conn.data_to_send: self.transport.write(self.conn.data_to_send()) self.transport.loseConnection() else: for event in events: if isinstance(event, RequestReceived): self.requestReceived(event.headers, event.stream_id) elif isinstance(event, DataReceived): self.dataFrameReceived(event.stream_id) elif isinstance(event, WindowUpdated): self.windowUpdated(event) if self.conn.data_to_send: self.transport.write(self.conn.data_to_send()) def requestReceived(self, headers, stream_id): headers = dict(headers) # Invalid conversion, fix later. assert headers[b':method'] == b'GET' path = headers[b':path'].lstrip(b'/') full_path = os.path.join(self.root, path) if not os.path.exists(full_path): response_headers = ( (':status', '404'), ('content-length', '0'), ('server', 'twisted-h2'), ) self.conn.send_headers( stream_id, response_headers, end_stream=True ) self.transport.write(self.conn.data_to_send()) else: self.sendFile(full_path, stream_id) return def dataFrameReceived(self, stream_id): self.conn.reset_stream(stream_id) self.transport.write(self.conn.data_to_send()) def sendFile(self, file_path, stream_id): filesize = os.stat(file_path).st_size content_type, content_encoding = mimetypes.guess_type( file_path.decode('utf-8') ) response_headers = [ (':status', '200'), ('content-length', str(filesize)), ('server', 'twisted-h2'), ] if content_type: response_headers.append(('content-type', content_type)) if content_encoding: response_headers.append(('content-encoding', content_encoding)) self.conn.send_headers(stream_id, response_headers) self.transport.write(self.conn.data_to_send()) f = open(file_path, 'rb') d = self._send_file(f, stream_id) d.addErrback(functools.partial(close_file, f)) def windowUpdated(self, event): """ Handle a WindowUpdated event by firing any waiting data sending callbacks. """ stream_id = event.stream_id if stream_id and stream_id in self._flow_control_deferreds: d = self._flow_control_deferreds.pop(stream_id) d.callback(event.delta) elif not stream_id: for d in self._flow_control_deferreds.values(): d.callback(event.delta) self._flow_control_deferreds = {} return @inlineCallbacks def _send_file(self, file, stream_id): """ This callback sends more data for a given file on the stream. """ keep_reading = True while keep_reading: while not self.conn.remote_flow_control_window(stream_id): yield self.wait_for_flow_control(stream_id) chunk_size = min( self.conn.remote_flow_control_window(stream_id), READ_CHUNK_SIZE ) data = file.read(chunk_size) keep_reading = len(data) == chunk_size self.conn.send_data(stream_id, data, not keep_reading) self.transport.write(self.conn.data_to_send()) if not keep_reading: break file.close() def wait_for_flow_control(self, stream_id): """ Returns a Deferred that fires when the flow control window is opened. """ d = Deferred() self._flow_control_deferreds[stream_id] = d return d class H2Factory(Factory): def __init__(self, root): self.root = root def buildProtocol(self, addr): print(H2Protocol) return H2Protocol(self.root) root = sys.argv[1].encode('utf-8') with open('server.crt', 'r') as f: cert_data = f.read() with open('server.key', 'r') as f: key_data = f.read() cert = crypto.load_certificate(crypto.FILETYPE_PEM, cert_data) key = crypto.load_privatekey(crypto.FILETYPE_PEM, key_data) options = ssl.CertificateOptions( privateKey=key, certificate=cert, acceptableProtocols=[b'h2'], ) endpoint = endpoints.SSL4ServerEndpoint(reactor, 8080, options, backlog=128) endpoint.listen(H2Factory(root)) reactor.run()