219 lines
7.4 KiB
Python
219 lines
7.4 KiB
Python
#!/usr/bin/env python3
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import sys
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import os
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import ssl
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import gzip
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import base64
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import socket
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import traceback
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from http.server import HTTPServer, BaseHTTPRequestHandler
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chunked_encoding = False
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keepalive = True
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try:
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fin = open('test_file', 'rb')
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f = gzip.open('test_file.gz', 'wb')
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f.writelines(fin)
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f.close()
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fin.close()
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except Exception:
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pass
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class http_server_with_timeout(HTTPServer):
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allow_reuse_address = True
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timeout = 190
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def handle_timeout(self):
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raise Exception('timeout')
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class http_handler(BaseHTTPRequestHandler):
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def do_GET(self):
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try:
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self.inner_do_GET()
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except Exception:
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print('EXCEPTION')
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traceback.print_exc(file=sys.stdout)
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sys.stdout.flush()
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def inner_do_GET(s):
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print('INCOMING-REQUEST [from: {}]: {}'.format(s.request.getsockname(), s.requestline))
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print(s.headers)
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sys.stdout.flush()
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global chunked_encoding
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global keepalive
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# if the request contains the hostname and port. strip it
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if s.path.startswith('http://') or s.path.startswith('https://'):
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s.path = s.path[8:]
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s.path = s.path[s.path.find('/'):]
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file_path = os.path.normpath(s.path)
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sys.stdout.flush()
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if s.path == '/password_protected':
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passed = False
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if 'Authorization' in s.headers:
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auth = s.headers['Authorization']
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passed = auth == 'Basic %s' % base64.b64encode(b'testuser:testpass').decode()
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if not passed:
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s.send_response(401)
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s.send_header("Connection", "close")
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s.end_headers()
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return
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s.path = '/test_file'
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file_path = os.path.normpath('/test_file')
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if s.path == '/redirect':
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s.send_response(301)
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s.send_header("Location", "/test_file")
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s.send_header("Connection", "close")
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s.end_headers()
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elif s.path == '/infinite_redirect':
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s.send_response(301)
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s.send_header("Location", "/infinite_redirect")
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s.send_header("Connection", "close")
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s.end_headers()
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elif s.path == '/relative/redirect':
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s.send_response(301)
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s.send_header("Location", "../test_file")
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s.send_header("Connection", "close")
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s.end_headers()
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elif s.path.startswith('/announce'):
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s.send_response(200)
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response = b'd8:intervali1800e8:completei1e10:incompletei1e' + \
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b'12:min intervali' + min_interval.encode() + b'e' + \
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b'5:peers12:AAAABBCCCCDD' + \
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b'6:peers618:EEEEEEEEEEEEEEEEFF' + \
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b'e'
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s.send_header("Content-Length", "%d" % len(response))
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s.send_header("Connection", "close")
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s.end_headers()
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s.wfile.write(response)
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elif os.path.split(s.path)[1].startswith('seed?'):
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query = s.path[6:]
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args_raw = query.split('&')
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args = {}
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for a in args_raw:
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kvp = a.split('=')
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args[kvp[0]] = kvp[1]
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piece = int(args['piece'])
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ranges = args['ranges'].split('-')
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filename = ''
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try:
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filename = os.path.normpath(s.path[1:s.path.find('seed?') + 4])
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print('filename = %s' % filename)
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sys.stdout.flush()
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f = open(filename, 'rb')
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f.seek(piece * 32 * 1024 + int(ranges[0]))
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data = f.read(int(ranges[1]) - int(ranges[0]) + 1)
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f.close()
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s.send_response(200)
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print('sending %d bytes' % len(data))
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sys.stdout.flush()
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s.send_header("Content-Length", "%d" % len(data))
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s.end_headers()
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s.wfile.write(data)
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except Exception as e:
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print('FILE ERROR: ', filename, e)
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traceback.print_exc(file=sys.stdout)
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sys.stdout.flush()
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s.send_response(404)
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s.send_header("Content-Length", "0")
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s.end_headers()
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else:
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filename = ''
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try:
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filename = os.path.normpath(file_path[1:])
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# serve file by invoking default handler
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f = open(filename, 'rb')
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size = int(os.stat(filename).st_size)
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start_range = 0
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end_range = size
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if 'Range' in s.headers:
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s.send_response(206)
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st, e = s.headers['range'][6:].split('-', 1)
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sl = len(st)
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el = len(e)
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if sl > 0:
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start_range = int(st)
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if el > 0:
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end_range = int(e) + 1
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elif el > 0:
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ei = int(e)
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if ei < size:
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start_range = size - ei
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s.send_header('Content-Range', 'bytes ' + str(start_range)
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+ '-' + str(end_range - 1) + '/' + str(size))
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else:
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s.send_response(200)
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s.send_header('Accept-Ranges', 'bytes')
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if chunked_encoding:
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s.send_header('Transfer-Encoding', 'chunked')
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s.send_header('Content-Length', end_range - start_range)
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if filename.endswith('.gz'):
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s.send_header('Content-Encoding', 'gzip')
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if not keepalive:
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s.send_header("Connection", "close")
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if not use_ssl:
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s.request.shutdown(socket.SHUT_RD)
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s.end_headers()
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f.seek(start_range)
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length = end_range - start_range
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while length > 0:
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to_send = min(length, 0x900)
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if chunked_encoding:
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s.wfile.write(b'%x\r\n' % to_send)
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data = f.read(to_send)
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print('read %d bytes' % to_send)
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sys.stdout.flush()
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s.wfile.write(data)
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if chunked_encoding:
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s.wfile.write(b'\r\n')
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length -= to_send
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print('sent %d bytes (%d bytes left)' % (len(data), length))
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sys.stdout.flush()
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if chunked_encoding:
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s.wfile.write(b'0\r\n\r\n')
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except Exception as e:
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print('FILE ERROR: ', filename, e)
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traceback.print_exc(file=sys.stdout)
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sys.stdout.flush()
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s.send_response(404)
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s.send_header("Content-Length", "0")
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s.end_headers()
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print("...DONE")
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sys.stdout.flush()
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s.wfile.flush()
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if __name__ == '__main__':
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port = int(sys.argv[1])
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chunked_encoding = sys.argv[2] != '0'
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use_ssl = sys.argv[3] != '0'
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keepalive = sys.argv[4] != '0'
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min_interval = sys.argv[5]
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print('python version: %s' % sys.version_info.__str__())
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http_handler.protocol_version = 'HTTP/1.1'
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httpd = http_server_with_timeout(('127.0.0.1', port), http_handler)
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if use_ssl:
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httpd.socket = ssl.wrap_socket(httpd.socket, certfile='../ssl/server.pem', server_side=True)
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while True:
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httpd.handle_request()
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