1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
#!/usr/bin/python3
from wsgiref.handlers import format_date_time
from email.utils import parsedate
from calendar import timegm
import gzip
import sys
import time
import zlib
import os
from urllib.parse import parse_qs
import http.server as http_server
from io import BytesIO
server_start_time = int(time.time())
def parse_http_date(date):
parsed = parsedate(date)
if parsed is not None:
return timegm(parsed)
else:
return None
class RequestHandler(http_server.BaseHTTPRequestHandler):
def do_GET(self):
parts = self.path.split('?', 1)
path = parts[0]
if len(parts) == 1:
query = {}
else:
query = parse_qs(parts[1], keep_blank_values=True)
response = 200
add_headers = {}
if 'modified-time' in query:
modified_since = self.headers.get("If-Modified-Since")
if modified_since:
modified_since_time = parse_http_date(modified_since)
if modified_since_time <= server_start_time:
response = 304
add_headers["Last-Modified"] = format_date_time(server_start_time)
if 'etag' in query:
etag = str(server_start_time)
if self.headers.get("If-None-Match") == etag:
response = 304
add_headers['Etag'] = etag
self.send_response(response)
for k, v in list(add_headers.items()):
self.send_header(k, v)
if 'max-age' in query:
self.send_header('Cache-Control', 'max-age=' + query['max-age'][0])
if 'no-cache' in query:
self.send_header('Cache-Control', 'no-cache')
if 'expires-past' in query:
self.send_header('Expires', format_date_time(server_start_time - 3600))
if 'expires-future' in query:
self.send_header('Expires', format_date_time(server_start_time + 3600))
if response == 200:
self.send_header("Content-Type", "text/plain; charset=UTF-8")
contents = "path=" + self.path + "\n"
if not 'ignore-accept-encoding' in query:
accept_encoding = self.headers.get("Accept-Encoding")
if accept_encoding and accept_encoding == 'gzip':
self.send_header("Content-Encoding", "gzip")
buf = BytesIO()
gzfile = gzip.GzipFile(mode='wb', fileobj=buf)
if isinstance(contents, bytes):
gzfile.write(contents)
else:
gzfile.write(contents.encode('utf-8'))
gzfile.close()
contents = buf.getvalue()
self.end_headers()
if response == 200:
if isinstance(contents, bytes):
self.wfile.write(contents)
else:
self.wfile.write(contents.encode('utf-8'))
def run(dir):
RequestHandler.protocol_version = "HTTP/1.0"
httpd = http_server.HTTPServer( ("127.0.0.1", 0), RequestHandler)
host, port = httpd.socket.getsockname()[:2]
with open("httpd-port", 'w') as file:
file.write("%d" % port)
try:
os.write(3, bytes("Started\n", 'utf-8'));
except:
pass
print("Serving HTTP on port %d" % port);
if dir:
os.chdir(dir)
httpd.serve_forever()
if __name__ == '__main__':
dir = None
if len(sys.argv) >= 2 and len(sys.argv[1]) > 0:
dir = sys.argv[1]
run(dir)
|
