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@@ -1,157 +1,157 b'' | |||||
1 | #!/usr/bin/env python |
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1 | #!/usr/bin/env python | |
2 |
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2 | |||
3 | from __future__ import absolute_import, print_function |
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3 | from __future__ import absolute_import, print_function | |
4 |
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4 | |||
5 | __doc__ = """Tiny HTTP Proxy. |
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5 | __doc__ = """Tiny HTTP Proxy. | |
6 |
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6 | |||
7 | This module implements GET, HEAD, POST, PUT and DELETE methods |
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7 | This module implements GET, HEAD, POST, PUT and DELETE methods | |
8 | on BaseHTTPServer, and behaves as an HTTP proxy. The CONNECT |
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8 | on BaseHTTPServer, and behaves as an HTTP proxy. The CONNECT | |
9 | method is also implemented experimentally, but has not been |
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9 | method is also implemented experimentally, but has not been | |
10 | tested yet. |
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10 | tested yet. | |
11 |
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11 | |||
12 | Any help will be greatly appreciated. SUZUKI Hisao |
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12 | Any help will be greatly appreciated. SUZUKI Hisao | |
13 | """ |
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13 | """ | |
14 |
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14 | |||
15 | __version__ = "0.2.1" |
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15 | __version__ = "0.2.1" | |
16 |
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16 | |||
17 | import BaseHTTPServer |
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17 | import BaseHTTPServer | |
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18 | import SocketServer | |||
18 | import os |
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19 | import os | |
19 | import select |
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20 | import select | |
20 | import socket |
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21 | import socket | |
21 | import SocketServer |
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|||
22 | import urlparse |
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22 | import urlparse | |
23 |
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23 | |||
24 | class ProxyHandler (BaseHTTPServer.BaseHTTPRequestHandler): |
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24 | class ProxyHandler (BaseHTTPServer.BaseHTTPRequestHandler): | |
25 | __base = BaseHTTPServer.BaseHTTPRequestHandler |
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25 | __base = BaseHTTPServer.BaseHTTPRequestHandler | |
26 | __base_handle = __base.handle |
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26 | __base_handle = __base.handle | |
27 |
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27 | |||
28 | server_version = "TinyHTTPProxy/" + __version__ |
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28 | server_version = "TinyHTTPProxy/" + __version__ | |
29 | rbufsize = 0 # self.rfile Be unbuffered |
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29 | rbufsize = 0 # self.rfile Be unbuffered | |
30 |
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30 | |||
31 | def handle(self): |
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31 | def handle(self): | |
32 | (ip, port) = self.client_address |
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32 | (ip, port) = self.client_address | |
33 | allowed = getattr(self, 'allowed_clients', None) |
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33 | allowed = getattr(self, 'allowed_clients', None) | |
34 | if allowed is not None and ip not in allowed: |
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34 | if allowed is not None and ip not in allowed: | |
35 | self.raw_requestline = self.rfile.readline() |
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35 | self.raw_requestline = self.rfile.readline() | |
36 | if self.parse_request(): |
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36 | if self.parse_request(): | |
37 | self.send_error(403) |
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37 | self.send_error(403) | |
38 | else: |
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38 | else: | |
39 | self.__base_handle() |
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39 | self.__base_handle() | |
40 |
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40 | |||
41 | def log_request(self, code='-', size='-'): |
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41 | def log_request(self, code='-', size='-'): | |
42 | xheaders = [h for h in self.headers.items() if h[0].startswith('x-')] |
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42 | xheaders = [h for h in self.headers.items() if h[0].startswith('x-')] | |
43 | self.log_message('"%s" %s %s%s', |
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43 | self.log_message('"%s" %s %s%s', | |
44 | self.requestline, str(code), str(size), |
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44 | self.requestline, str(code), str(size), | |
45 | ''.join([' %s:%s' % h for h in sorted(xheaders)])) |
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45 | ''.join([' %s:%s' % h for h in sorted(xheaders)])) | |
46 |
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46 | |||
47 | def _connect_to(self, netloc, soc): |
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47 | def _connect_to(self, netloc, soc): | |
48 | i = netloc.find(':') |
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48 | i = netloc.find(':') | |
49 | if i >= 0: |
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49 | if i >= 0: | |
50 | host_port = netloc[:i], int(netloc[i + 1:]) |
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50 | host_port = netloc[:i], int(netloc[i + 1:]) | |
51 | else: |
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51 | else: | |
52 | host_port = netloc, 80 |
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52 | host_port = netloc, 80 | |
53 | print("\t" "connect to %s:%d" % host_port) |
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53 | print("\t" "connect to %s:%d" % host_port) | |
54 | try: soc.connect(host_port) |
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54 | try: soc.connect(host_port) | |
55 | except socket.error as arg: |
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55 | except socket.error as arg: | |
56 | try: msg = arg[1] |
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56 | try: msg = arg[1] | |
57 | except (IndexError, TypeError): msg = arg |
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57 | except (IndexError, TypeError): msg = arg | |
58 | self.send_error(404, msg) |
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58 | self.send_error(404, msg) | |
59 | return 0 |
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59 | return 0 | |
60 | return 1 |
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60 | return 1 | |
61 |
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61 | |||
62 | def do_CONNECT(self): |
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62 | def do_CONNECT(self): | |
63 | soc = socket.socket(socket.AF_INET, socket.SOCK_STREAM) |
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63 | soc = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
64 | try: |
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64 | try: | |
65 | if self._connect_to(self.path, soc): |
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65 | if self._connect_to(self.path, soc): | |
66 | self.log_request(200) |
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66 | self.log_request(200) | |
67 | self.wfile.write(self.protocol_version + |
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67 | self.wfile.write(self.protocol_version + | |
68 | " 200 Connection established\r\n") |
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68 | " 200 Connection established\r\n") | |
69 | self.wfile.write("Proxy-agent: %s\r\n" % self.version_string()) |
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69 | self.wfile.write("Proxy-agent: %s\r\n" % self.version_string()) | |
70 | self.wfile.write("\r\n") |
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70 | self.wfile.write("\r\n") | |
71 | self._read_write(soc, 300) |
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71 | self._read_write(soc, 300) | |
72 | finally: |
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72 | finally: | |
73 | print("\t" "bye") |
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73 | print("\t" "bye") | |
74 | soc.close() |
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74 | soc.close() | |
75 | self.connection.close() |
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75 | self.connection.close() | |
76 |
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76 | |||
77 | def do_GET(self): |
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77 | def do_GET(self): | |
78 | (scm, netloc, path, params, query, fragment) = urlparse.urlparse( |
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78 | (scm, netloc, path, params, query, fragment) = urlparse.urlparse( | |
79 | self.path, 'http') |
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79 | self.path, 'http') | |
80 | if scm != 'http' or fragment or not netloc: |
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80 | if scm != 'http' or fragment or not netloc: | |
81 | self.send_error(400, "bad url %s" % self.path) |
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81 | self.send_error(400, "bad url %s" % self.path) | |
82 | return |
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82 | return | |
83 | soc = socket.socket(socket.AF_INET, socket.SOCK_STREAM) |
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83 | soc = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
84 | try: |
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84 | try: | |
85 | if self._connect_to(netloc, soc): |
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85 | if self._connect_to(netloc, soc): | |
86 | self.log_request() |
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86 | self.log_request() | |
87 | soc.send("%s %s %s\r\n" % ( |
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87 | soc.send("%s %s %s\r\n" % ( | |
88 | self.command, |
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88 | self.command, | |
89 | urlparse.urlunparse(('', '', path, params, query, '')), |
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89 | urlparse.urlunparse(('', '', path, params, query, '')), | |
90 | self.request_version)) |
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90 | self.request_version)) | |
91 | self.headers['Connection'] = 'close' |
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91 | self.headers['Connection'] = 'close' | |
92 | del self.headers['Proxy-Connection'] |
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92 | del self.headers['Proxy-Connection'] | |
93 | for key_val in self.headers.items(): |
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93 | for key_val in self.headers.items(): | |
94 | soc.send("%s: %s\r\n" % key_val) |
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94 | soc.send("%s: %s\r\n" % key_val) | |
95 | soc.send("\r\n") |
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95 | soc.send("\r\n") | |
96 | self._read_write(soc) |
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96 | self._read_write(soc) | |
97 | finally: |
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97 | finally: | |
98 | print("\t" "bye") |
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98 | print("\t" "bye") | |
99 | soc.close() |
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99 | soc.close() | |
100 | self.connection.close() |
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100 | self.connection.close() | |
101 |
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101 | |||
102 | def _read_write(self, soc, max_idling=20): |
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102 | def _read_write(self, soc, max_idling=20): | |
103 | iw = [self.connection, soc] |
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103 | iw = [self.connection, soc] | |
104 | ow = [] |
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104 | ow = [] | |
105 | count = 0 |
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105 | count = 0 | |
106 | while True: |
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106 | while True: | |
107 | count += 1 |
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107 | count += 1 | |
108 | (ins, _, exs) = select.select(iw, ow, iw, 3) |
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108 | (ins, _, exs) = select.select(iw, ow, iw, 3) | |
109 | if exs: |
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109 | if exs: | |
110 | break |
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110 | break | |
111 | if ins: |
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111 | if ins: | |
112 | for i in ins: |
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112 | for i in ins: | |
113 | if i is soc: |
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113 | if i is soc: | |
114 | out = self.connection |
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114 | out = self.connection | |
115 | else: |
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115 | else: | |
116 | out = soc |
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116 | out = soc | |
117 | try: |
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117 | try: | |
118 | data = i.recv(8192) |
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118 | data = i.recv(8192) | |
119 | except socket.error: |
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119 | except socket.error: | |
120 | break |
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120 | break | |
121 | if data: |
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121 | if data: | |
122 | out.send(data) |
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122 | out.send(data) | |
123 | count = 0 |
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123 | count = 0 | |
124 | else: |
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124 | else: | |
125 | print("\t" "idle", count) |
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125 | print("\t" "idle", count) | |
126 | if count == max_idling: |
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126 | if count == max_idling: | |
127 | break |
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127 | break | |
128 |
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128 | |||
129 | do_HEAD = do_GET |
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129 | do_HEAD = do_GET | |
130 | do_POST = do_GET |
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130 | do_POST = do_GET | |
131 | do_PUT = do_GET |
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131 | do_PUT = do_GET | |
132 | do_DELETE = do_GET |
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132 | do_DELETE = do_GET | |
133 |
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133 | |||
134 | class ThreadingHTTPServer (SocketServer.ThreadingMixIn, |
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134 | class ThreadingHTTPServer (SocketServer.ThreadingMixIn, | |
135 | BaseHTTPServer.HTTPServer): |
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135 | BaseHTTPServer.HTTPServer): | |
136 | def __init__(self, *args, **kwargs): |
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136 | def __init__(self, *args, **kwargs): | |
137 | BaseHTTPServer.HTTPServer.__init__(self, *args, **kwargs) |
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137 | BaseHTTPServer.HTTPServer.__init__(self, *args, **kwargs) | |
138 | a = open("proxy.pid", "w") |
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138 | a = open("proxy.pid", "w") | |
139 | a.write(str(os.getpid()) + "\n") |
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139 | a.write(str(os.getpid()) + "\n") | |
140 | a.close() |
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140 | a.close() | |
141 |
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141 | |||
142 | if __name__ == '__main__': |
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142 | if __name__ == '__main__': | |
143 | from sys import argv |
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143 | from sys import argv | |
144 | if argv[1:] and argv[1] in ('-h', '--help'): |
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144 | if argv[1:] and argv[1] in ('-h', '--help'): | |
145 | print(argv[0], "[port [allowed_client_name ...]]") |
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145 | print(argv[0], "[port [allowed_client_name ...]]") | |
146 | else: |
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146 | else: | |
147 | if argv[2:]: |
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147 | if argv[2:]: | |
148 | allowed = [] |
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148 | allowed = [] | |
149 | for name in argv[2:]: |
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149 | for name in argv[2:]: | |
150 | client = socket.gethostbyname(name) |
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150 | client = socket.gethostbyname(name) | |
151 | allowed.append(client) |
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151 | allowed.append(client) | |
152 | print("Accept: %s (%s)" % (client, name)) |
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152 | print("Accept: %s (%s)" % (client, name)) | |
153 | ProxyHandler.allowed_clients = allowed |
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153 | ProxyHandler.allowed_clients = allowed | |
154 | del argv[2:] |
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154 | del argv[2:] | |
155 | else: |
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155 | else: | |
156 | print("Any clients will be served...") |
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156 | print("Any clients will be served...") | |
157 | BaseHTTPServer.test(ProxyHandler, ThreadingHTTPServer) |
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157 | BaseHTTPServer.test(ProxyHandler, ThreadingHTTPServer) |
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