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#!/usr/bin/env python3
import sys
import os
import ssl
import gzip
import base64
import socket
import traceback
from http.server import HTTPServer, BaseHTTPRequestHandler
chunked_encoding = False
keepalive = True
try:
fin = open('test_file', 'rb')
f = gzip.open('test_file.gz', 'wb')
f.writelines(fin)
f.close()
fin.close()
except Exception:
pass
class http_server_with_timeout(HTTPServer):
allow_reuse_address = True
timeout = 250
def handle_timeout(self):
print('TIMEOUT')
raise Exception('timeout')
class http_handler(BaseHTTPRequestHandler):
def do_GET(self):
try:
self.inner_do_GET()
except Exception:
print('EXCEPTION')
traceback.print_exc(file=sys.stdout)
sys.stdout.flush()
def inner_do_GET(self):
print('INCOMING-REQUEST [from: {}]: {}'.format(self.request.getsockname(), self.requestline))
print(self.headers)
sys.stdout.flush()
global chunked_encoding
global keepalive
# if the request contains the hostname and port. strip it
if self.path.startswith('http://') or self.path.startswith('https://'):
self.path = self.path[8:]
self.path = self.path[self.path.find('/'):]
file_path = os.path.normpath(self.path)
sys.stdout.flush()
if self.path == '/password_protected':
passed = False
if 'Authorization' in self.headers:
auth = self.headers['Authorization']
passed = auth == 'Basic %s' % base64.b64encode(b'testuser:testpass').decode()
if not passed:
self.send_response(401)
self.send_header("Connection", "close")
self.end_headers()
return
self.path = '/test_file'
file_path = os.path.normpath('/test_file')
if self.path == '/redirect':
self.send_response(301)
self.send_header("Location", "/test_file")
self.send_header("Connection", "close")
self.end_headers()
elif self.path == '/infinite_redirect':
self.send_response(301)
self.send_header("Location", "/infinite_redirect")
self.send_header("Connection", "close")
self.end_headers()
elif self.path == '/relative/redirect':
self.send_response(301)
self.send_header("Location", "../test_file")
self.send_header("Connection", "close")
self.end_headers()
elif self.path.startswith('/announce'):
self.send_response(200)
response = b'd8:intervali1800e8:completei1e10:incompletei1e' + \
b'12:min intervali' + min_interval.encode() + b'e' + \
b'5:peers12:AAAABBCCCCDD' + \
b'6:peers618:EEEEEEEEEEEEEEEEFF' + \
b'e'
self.send_header("Content-Length", "%d" % len(response))
self.send_header("Connection", "close")
self.end_headers()
self.wfile.write(response)
self.request.close()
elif os.path.split(self.path)[1].startswith('seed?'):
query = self.path[6:]
args_raw = query.split('&')
args = {}
for a in args_raw:
kvp = a.split('=')
args[kvp[0]] = kvp[1]
piece = int(args['piece'])
ranges = args['ranges'].split('-')
filename = ''
try:
filename = os.path.normpath(self.path[1:self.path.find('seed?') + 4])
print('filename = %s' % filename)
sys.stdout.flush()
f = open(filename, 'rb')
f.seek(piece * 32 * 1024 + int(ranges[0]))
data = f.read(int(ranges[1]) - int(ranges[0]) + 1)
f.close()
self.send_response(200)
print('sending %d bytes' % len(data))
sys.stdout.flush()
self.send_header("Content-Length", "%d" % len(data))
self.end_headers()
self.wfile.write(data)
except Exception as e:
print('FILE ERROR: ', filename, e)
traceback.print_exc(file=sys.stdout)
sys.stdout.flush()
self.send_response(404)
self.send_header("Content-Length", "0")
try:
self.end_headers()
except Exception:
pass
else:
filename = ''
try:
filename = os.path.normpath(file_path[1:])
# serve file by invoking default handler
f = open(filename, 'rb')
size = int(os.stat(filename).st_size)
start_range = 0
end_range = size
if 'Range' in self.headers:
self.send_response(206)
st, e = self.headers['range'][6:].split('-', 1)
sl = len(st)
el = len(e)
if sl > 0:
start_range = int(st)
if el > 0:
end_range = int(e) + 1
elif el > 0:
ei = int(e)
if ei < size:
start_range = size - ei
self.send_header('Content-Range', 'bytes ' + str(start_range)
+ '-' + str(end_range - 1) + '/' + str(size))
else:
self.send_response(200)
self.send_header('Accept-Ranges', 'bytes')
if chunked_encoding:
self.send_header('Transfer-Encoding', 'chunked')
self.send_header('Content-Length', end_range - start_range)
if filename.endswith('.gz'):
self.send_header('Content-Encoding', 'gzip')
if not keepalive:
self.send_header("Connection", "close")
if not use_ssl:
self.request.shutdown(socket.SHUT_RD)
self.end_headers()
f.seek(start_range)
length = end_range - start_range
while length > 0:
to_send = min(length, 0x900)
if chunked_encoding:
self.wfile.write(b'%x\r\n' % to_send)
data = f.read(to_send)
print('read %d bytes' % to_send)
sys.stdout.flush()
self.wfile.write(data)
if chunked_encoding:
self.wfile.write(b'\r\n')
length -= to_send
print('sent %d bytes (%d bytes left)' % (len(data), length))
sys.stdout.flush()
if chunked_encoding:
self.wfile.write(b'0\r\n\r\n')
except Exception as e:
print('FILE ERROR: ', filename, e)
traceback.print_exc(file=sys.stdout)
sys.stdout.flush()
self.send_response(404)
self.send_header("Content-Length", "0")
try:
self.end_headers()
except Exception:
pass
print("...DONE")
sys.stdout.flush()
self.wfile.flush()
if __name__ == '__main__':
port = int(sys.argv[1])
chunked_encoding = sys.argv[2] != '0'
use_ssl = sys.argv[3] != '0'
keepalive = sys.argv[4] != '0'
min_interval = sys.argv[5]
print('python version: %s' % sys.version_info.__str__())
http_handler.protocol_version = 'HTTP/1.1'
httpd = http_server_with_timeout(('127.0.0.1', port), http_handler)
if use_ssl:
ctx = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
ctx.load_cert_chain("../ssl/server.pem")
httpd.socket = ctx.wrap_socket(httpd.socket, server_side=True)
while True:
httpd.handle_request()
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