Mercurial > hg
annotate mercurial/hgweb/server.py @ 13570:617a87cb7eb2
hgweb: add support for 100-continue as recommended by PEP 333.
author | Augie Fackler <durin42@gmail.com> |
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date | Sat, 06 Feb 2010 04:27:28 -0600 |
parents | 8fa83d7159eb |
children | ce99d887585f |
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Fixing up comment headers for split up code.
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1 # hgweb/server.py - The standalone hg web server. |
131 | 2 # |
238
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3 # Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net> |
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4 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
131 | 5 # |
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6 # This software may be used and distributed according to the terms of the |
10263 | 7 # GNU General Public License version 2 or any later version. |
131 | 8 |
4016 | 9 import os, sys, errno, urllib, BaseHTTPServer, socket, SocketServer, traceback |
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10 from mercurial import util, error |
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hgweb: add support for 100-continue as recommended by PEP 333.
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11 from mercurial.hgweb import common |
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12 from mercurial.i18n import _ |
138 | 13 |
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14 def _splitURI(uri): |
2123
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Fixed path handling of the standalone server, fixed typo.
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15 """ Return path and query splited from uri |
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16 |
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17 Just like CGI environment, the path is unquoted, the query is |
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18 not. |
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19 """ |
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20 if '?' in uri: |
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21 path, query = uri.split('?', 1) |
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22 else: |
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23 path, query = uri, '' |
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24 return urllib.unquote(path), query |
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25 |
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26 class _error_logger(object): |
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27 def __init__(self, handler): |
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28 self.handler = handler |
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29 def flush(self): |
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30 pass |
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hgweb: fix errors spotted by pychecker
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31 def write(self, str): |
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32 self.writelines(str.split('\n')) |
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33 def writelines(self, seq): |
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34 for msg in seq: |
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35 self.handler.log_error("HG error: %s", msg) |
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36 |
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hgweb: refactor all pyOpenSSL references into one class
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37 class _httprequesthandler(BaseHTTPServer.BaseHTTPRequestHandler): |
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38 |
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Make hg serve set the wsgi.url_scheme property correctly.
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39 url_scheme = 'http' |
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40 |
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41 @staticmethod |
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42 def preparehttpserver(httpserver, ssl_cert): |
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43 """Prepare .socket of new HTTPServer instance""" |
191d0fd5c2fd
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44 pass |
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45 |
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46 def __init__(self, *args, **kargs): |
2434
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http server: support persistent connections.
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47 self.protocol_version = 'HTTP/1.1' |
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48 BaseHTTPServer.BaseHTTPRequestHandler.__init__(self, *args, **kargs) |
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hgweb: Added archive download buttons to manifest page.
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49 |
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hgweb.server: flush log files after every access
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50 def _log_any(self, fp, format, *args): |
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51 fp.write("%s - - [%s] %s\n" % (self.client_address[0], |
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52 self.log_date_time_string(), |
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53 format % args)) |
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54 fp.flush() |
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55 |
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56 def log_error(self, format, *args): |
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57 self._log_any(self.server.errorlog, format, *args) |
131 | 58 |
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59 def log_message(self, format, *args): |
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60 self._log_any(self.server.accesslog, format, *args) |
538 | 61 |
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62 def do_write(self): |
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63 try: |
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64 self.do_hgweb() |
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65 except socket.error, inst: |
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66 if inst[0] != errno.EPIPE: |
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67 raise |
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68 |
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69 def do_POST(self): |
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70 try: |
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71 self.do_write() |
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serve: catch and log all Exceptions, not only StandardException
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72 except Exception: |
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73 self._start_response("500 Internal Server Error", []) |
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74 self._write("Internal Server Error") |
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75 tb = "".join(traceback.format_exception(*sys.exc_info())) |
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76 self.log_error("Exception happened during processing " |
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77 "request '%s':\n%s", self.path, tb) |
133
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78 |
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79 def do_GET(self): |
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80 self.do_POST() |
131 | 81 |
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82 def do_hgweb(self): |
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83 path, query = _splitURI(self.path) |
138 | 84 |
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85 env = {} |
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86 env['GATEWAY_INTERFACE'] = 'CGI/1.1' |
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87 env['REQUEST_METHOD'] = self.command |
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88 env['SERVER_NAME'] = self.server.server_name |
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89 env['SERVER_PORT'] = str(self.server.server_port) |
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90 env['REQUEST_URI'] = self.path |
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91 env['SCRIPT_NAME'] = self.server.prefix |
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92 env['PATH_INFO'] = path[len(self.server.prefix):] |
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93 env['REMOTE_HOST'] = self.client_address[0] |
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94 env['REMOTE_ADDR'] = self.client_address[0] |
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95 if query: |
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96 env['QUERY_STRING'] = query |
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97 |
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98 if self.headers.typeheader is None: |
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99 env['CONTENT_TYPE'] = self.headers.type |
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100 else: |
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101 env['CONTENT_TYPE'] = self.headers.typeheader |
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102 length = self.headers.getheader('content-length') |
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103 if length: |
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104 env['CONTENT_LENGTH'] = length |
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105 for header in [h for h in self.headers.keys() |
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106 if h not in ('content-type', 'content-length')]: |
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107 hkey = 'HTTP_' + header.replace('-', '_').upper() |
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108 hval = self.headers.getheader(header) |
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109 hval = hval.replace('\n', '').strip() |
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110 if hval: |
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111 env[hkey] = hval |
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112 env['SERVER_PROTOCOL'] = self.request_version |
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113 env['wsgi.version'] = (1, 0) |
4871 | 114 env['wsgi.url_scheme'] = self.url_scheme |
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115 if env.get('HTTP_EXPECT', '').lower() == '100-continue': |
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116 self.rfile = common.continuereader(self.rfile, self.wfile.write) |
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117 |
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118 env['wsgi.input'] = self.rfile |
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119 env['wsgi.errors'] = _error_logger(self) |
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120 env['wsgi.multithread'] = isinstance(self.server, |
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121 SocketServer.ThreadingMixIn) |
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122 env['wsgi.multiprocess'] = isinstance(self.server, |
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123 SocketServer.ForkingMixIn) |
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124 env['wsgi.run_once'] = 0 |
601 | 125 |
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126 self.close_connection = True |
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127 self.saved_status = None |
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128 self.saved_headers = [] |
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129 self.sent_headers = False |
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130 self.length = None |
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131 for chunk in self.server.application(env, self._start_response): |
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132 self._write(chunk) |
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133 |
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134 def send_headers(self): |
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135 if not self.saved_status: |
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136 raise AssertionError("Sending headers before " |
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137 "start_response() called") |
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138 saved_status = self.saved_status.split(None, 1) |
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139 saved_status[0] = int(saved_status[0]) |
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140 self.send_response(*saved_status) |
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141 should_close = True |
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142 for h in self.saved_headers: |
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143 self.send_header(*h) |
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144 if h[0].lower() == 'content-length': |
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145 should_close = False |
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146 self.length = int(h[1]) |
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147 # The value of the Connection header is a list of case-insensitive |
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148 # tokens separated by commas and optional whitespace. |
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149 if 'close' in [token.strip().lower() for token in |
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150 self.headers.get('connection', '').split(',')]: |
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151 should_close = True |
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152 if should_close: |
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153 self.send_header('Connection', 'close') |
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154 self.close_connection = should_close |
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155 self.end_headers() |
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156 self.sent_headers = True |
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157 |
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158 def _start_response(self, http_status, headers, exc_info=None): |
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159 code, msg = http_status.split(None, 1) |
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160 code = int(code) |
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161 self.saved_status = http_status |
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162 bad_headers = ('connection', 'transfer-encoding') |
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163 self.saved_headers = [h for h in headers |
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164 if h[0].lower() not in bad_headers] |
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165 return self._write |
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166 |
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167 def _write(self, data): |
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168 if not self.saved_status: |
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169 raise AssertionError("data written before start_response() called") |
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170 elif not self.sent_headers: |
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171 self.send_headers() |
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172 if self.length is not None: |
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173 if len(data) > self.length: |
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174 raise AssertionError("Content-length header sent, but more " |
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175 "bytes than specified are being written.") |
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176 self.length = self.length - len(data) |
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177 self.wfile.write(data) |
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178 self.wfile.flush() |
136 | 179 |
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180 class _httprequesthandleropenssl(_httprequesthandler): |
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181 """HTTPS handler based on pyOpenSSL""" |
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182 |
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183 url_scheme = 'https' |
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184 |
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185 @staticmethod |
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186 def preparehttpserver(httpserver, ssl_cert): |
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187 try: |
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188 import OpenSSL |
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189 OpenSSL.SSL.Context |
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190 except ImportError: |
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191 raise util.Abort(_("SSL support is unavailable")) |
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192 ctx = OpenSSL.SSL.Context(OpenSSL.SSL.SSLv23_METHOD) |
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193 ctx.use_privatekey_file(ssl_cert) |
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194 ctx.use_certificate_file(ssl_cert) |
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195 sock = socket.socket(httpserver.address_family, httpserver.socket_type) |
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196 httpserver.socket = OpenSSL.SSL.Connection(ctx, sock) |
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197 httpserver.server_bind() |
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198 httpserver.server_activate() |
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199 |
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200 def setup(self): |
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201 self.connection = self.request |
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202 self.rfile = socket._fileobject(self.request, "rb", self.rbufsize) |
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203 self.wfile = socket._fileobject(self.request, "wb", self.wbufsize) |
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204 |
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205 def do_write(self): |
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206 import OpenSSL |
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207 try: |
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208 _httprequesthandler.do_write(self) |
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209 except OpenSSL.SSL.SysCallError, inst: |
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210 if inst.args[0] != errno.EPIPE: |
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211 raise |
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212 |
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213 def handle_one_request(self): |
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214 import OpenSSL |
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215 try: |
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216 _httprequesthandler.handle_one_request(self) |
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217 except (OpenSSL.SSL.SysCallError, OpenSSL.SSL.ZeroReturnError): |
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218 self.close_connection = True |
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219 pass |
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220 |
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221 class _httprequesthandlerssl(_httprequesthandler): |
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222 """HTTPS handler based on Pythons ssl module (introduced in 2.6)""" |
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223 |
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224 url_scheme = 'https' |
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225 |
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226 @staticmethod |
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227 def preparehttpserver(httpserver, ssl_cert): |
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228 try: |
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229 import ssl |
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230 ssl.wrap_socket |
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231 except ImportError: |
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232 raise util.Abort(_("SSL support is unavailable")) |
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233 httpserver.socket = ssl.wrap_socket(httpserver.socket, server_side=True, |
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234 certfile=ssl_cert, ssl_version=ssl.PROTOCOL_SSLv23) |
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235 |
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236 def setup(self): |
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237 self.connection = self.request |
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238 self.rfile = socket._fileobject(self.request, "rb", self.rbufsize) |
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239 self.wfile = socket._fileobject(self.request, "wb", self.wbufsize) |
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240 |
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241 try: |
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242 from threading import activeCount |
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243 _mixin = SocketServer.ThreadingMixIn |
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244 except ImportError: |
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245 if hasattr(os, "fork"): |
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246 _mixin = SocketServer.ForkingMixIn |
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247 else: |
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248 class _mixin: |
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249 pass |
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250 |
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251 def openlog(opt, default): |
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252 if opt and opt != '-': |
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253 return open(opt, 'a') |
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254 return default |
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255 |
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256 class MercurialHTTPServer(object, _mixin, BaseHTTPServer.HTTPServer): |
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257 |
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258 # SO_REUSEADDR has broken semantics on windows |
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259 if os.name == 'nt': |
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260 allow_reuse_address = 0 |
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261 |
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262 def __init__(self, ui, app, addr, handler, **kwargs): |
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263 BaseHTTPServer.HTTPServer.__init__(self, addr, handler, **kwargs) |
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264 self.daemon_threads = True |
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265 self.application = app |
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266 |
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267 handler.preparehttpserver(self, ui.config('web', 'certificate')) |
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268 |
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269 prefix = ui.config('web', 'prefix', '') |
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270 if prefix: |
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271 prefix = '/' + prefix.strip('/') |
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272 self.prefix = prefix |
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273 |
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274 alog = openlog(ui.config('web', 'accesslog', '-'), sys.stdout) |
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275 elog = openlog(ui.config('web', 'errorlog', '-'), sys.stderr) |
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276 self.accesslog = alog |
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277 self.errorlog = elog |
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278 |
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279 self.addr, self.port = self.socket.getsockname()[0:2] |
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280 self.fqaddr = socket.getfqdn(addr[0]) |
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281 |
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282 class IPv6HTTPServer(MercurialHTTPServer): |
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283 address_family = getattr(socket, 'AF_INET6', None) |
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284 def __init__(self, *args, **kwargs): |
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285 if self.address_family is None: |
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286 raise error.RepoError(_('IPv6 is not available on this system')) |
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287 super(IPv6HTTPServer, self).__init__(*args, **kwargs) |
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288 |
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289 def create_server(ui, app): |
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291 if ui.config('web', 'certificate'): |
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292 if sys.version_info >= (2, 6): |
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293 handler = _httprequesthandlerssl |
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294 else: |
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295 handler = _httprequesthandleropenssl |
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296 else: |
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297 handler = _httprequesthandler |
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298 |
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299 if ui.configbool('web', 'ipv6'): |
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300 cls = IPv6HTTPServer |
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301 else: |
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302 cls = MercurialHTTPServer |
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303 |
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304 # ugly hack due to python issue5853 (for threaded use) |
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305 import mimetypes; mimetypes.init() |
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306 |
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307 address = ui.config('web', 'address', '') |
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308 port = util.getport(ui.config('web', 'port', 8000)) |
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309 try: |
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310 return cls(ui, app, (address, port), handler) |
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311 except socket.error, inst: |
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312 raise util.Abort(_("cannot start server at '%s:%d': %s") |
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313 % (address, port, inst.args[1])) |