Mercurial > cpython-lru_cache-weakref
annotate Lib/http/server.py @ 86127:a3d09c19bb93
merge with 3.3
| author | Georg Brandl <georg@python.org> |
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| date | Sun, 06 Oct 2013 19:24:00 +0200 |
| parents | 220b34cbd711 |
| children | 493a99acaf00 |
| rev | line source |
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1 """HTTP server classes. |
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2 |
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3 Note: BaseHTTPRequestHandler doesn't implement any HTTP request; see |
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4 SimpleHTTPRequestHandler for simple implementations of GET, HEAD and POST, |
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5 and CGIHTTPRequestHandler for CGI scripts. |
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6 |
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7 It does, however, optionally implement HTTP/1.1 persistent connections, |
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8 as of version 0.3. |
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9 |
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10 Notes on CGIHTTPRequestHandler |
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11 ------------------------------ |
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12 |
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13 This class implements GET and POST requests to cgi-bin scripts. |
| 2887 | 14 |
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15 If the os.fork() function is not present (e.g. on Windows), |
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16 subprocess.Popen() is used as a fallback, with slightly altered semantics. |
| 2887 | 17 |
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18 In all cases, the implementation is intentionally naive -- all |
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19 requests are executed synchronously. |
| 2887 | 20 |
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21 SECURITY WARNING: DON'T USE THIS CODE UNLESS YOU ARE INSIDE A FIREWALL |
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22 -- it may execute arbitrary Python code or external programs. |
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23 |
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24 Note that status code 200 is sent prior to execution of a CGI script, so |
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25 scripts cannot send other status codes such as 302 (redirect). |
| 2887 | 26 |
| 27 XXX To do: | |
| 28 | |
| 29 - log requests even later (to capture byte count) | |
| 30 - log user-agent header and other interesting goodies | |
| 31 - send error log to separate file | |
| 32 """ | |
| 33 | |
| 34 | |
| 35 # See also: | |
| 36 # | |
| 37 # HTTP Working Group T. Berners-Lee | |
| 38 # INTERNET-DRAFT R. T. Fielding | |
| 39 # <draft-ietf-http-v10-spec-00.txt> H. Frystyk Nielsen | |
| 40 # Expires September 8, 1995 March 8, 1995 | |
| 41 # | |
| 42 # URL: http://www.ics.uci.edu/pub/ietf/http/draft-ietf-http-v10-spec-00.txt | |
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43 # |
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44 # and |
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45 # |
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46 # Network Working Group R. Fielding |
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47 # Request for Comments: 2616 et al |
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48 # Obsoletes: 2068 June 1999 |
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49 # Category: Standards Track |
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50 # |
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51 # URL: http://www.faqs.org/rfcs/rfc2616.html |
| 2887 | 52 |
| 53 # Log files | |
| 54 # --------- | |
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55 # |
| 2887 | 56 # Here's a quote from the NCSA httpd docs about log file format. |
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57 # |
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58 # | The logfile format is as follows. Each line consists of: |
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59 # | |
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60 # | host rfc931 authuser [DD/Mon/YYYY:hh:mm:ss] "request" ddd bbbb |
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61 # | |
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62 # | host: Either the DNS name or the IP number of the remote client |
| 2887 | 63 # | rfc931: Any information returned by identd for this person, |
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64 # | - otherwise. |
| 2887 | 65 # | authuser: If user sent a userid for authentication, the user name, |
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66 # | - otherwise. |
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67 # | DD: Day |
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68 # | Mon: Month (calendar name) |
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69 # | YYYY: Year |
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70 # | hh: hour (24-hour format, the machine's timezone) |
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71 # | mm: minutes |
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72 # | ss: seconds |
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73 # | request: The first line of the HTTP request as sent by the client. |
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74 # | ddd: the status code returned by the server, - if not available. |
| 2887 | 75 # | bbbb: the total number of bytes sent, |
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76 # | *not including the HTTP/1.0 header*, - if not available |
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77 # | |
| 2887 | 78 # | You can determine the name of the file accessed through request. |
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79 # |
| 2887 | 80 # (Actually, the latter is only true if you know the server configuration |
| 81 # at the time the request was made!) | |
| 82 | |
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83 __version__ = "0.6" |
| 2887 | 84 |
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85 __all__ = ["HTTPServer", "BaseHTTPRequestHandler"] |
| 2887 | 86 |
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87 import html |
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88 import email.message |
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89 import email.parser |
| 52368 | 90 import http.client |
| 91 import io | |
| 92 import mimetypes | |
| 93 import os | |
| 94 import posixpath | |
| 95 import select | |
| 96 import shutil | |
| 97 import socket # For gethostbyaddr() | |
| 98 import socketserver | |
| 99 import sys | |
| 100 import time | |
| 101 import urllib.parse | |
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102 import copy |
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103 import argparse |
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104 |
| 2887 | 105 |
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106 # Default error message template |
| 2887 | 107 DEFAULT_ERROR_MESSAGE = """\ |
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108 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" |
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109 "http://www.w3.org/TR/html4/strict.dtd"> |
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110 <html> |
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111 <head> |
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112 <meta http-equiv="Content-Type" content="text/html;charset=utf-8"> |
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113 <title>Error response</title> |
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114 </head> |
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115 <body> |
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116 <h1>Error response</h1> |
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117 <p>Error code: %(code)d</p> |
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118 <p>Message: %(message)s.</p> |
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119 <p>Error code explanation: %(code)s - %(explain)s.</p> |
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120 </body> |
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121 </html> |
| 2887 | 122 """ |
| 123 | |
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124 DEFAULT_ERROR_CONTENT_TYPE = "text/html;charset=utf-8" |
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125 |
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126 def _quote_html(html): |
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127 return html.replace("&", "&").replace("<", "<").replace(">", ">") |
| 2887 | 128 |
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129 class HTTPServer(socketserver.TCPServer): |
| 2887 | 130 |
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131 allow_reuse_address = 1 # Seems to make sense in testing environment |
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| 2887 | 133 def server_bind(self): |
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134 """Override server_bind to store the server name.""" |
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135 socketserver.TCPServer.server_bind(self) |
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136 host, port = self.socket.getsockname()[:2] |
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137 self.server_name = socket.getfqdn(host) |
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138 self.server_port = port |
| 2887 | 139 |
| 140 | |
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141 class BaseHTTPRequestHandler(socketserver.StreamRequestHandler): |
| 2887 | 142 |
| 143 """HTTP request handler base class. | |
| 144 | |
| 145 The following explanation of HTTP serves to guide you through the | |
| 146 code as well as to expose any misunderstandings I may have about | |
| 147 HTTP (so you don't need to read the code to figure out I'm wrong | |
| 148 :-). | |
| 149 | |
| 150 HTTP (HyperText Transfer Protocol) is an extensible protocol on | |
| 151 top of a reliable stream transport (e.g. TCP/IP). The protocol | |
| 152 recognizes three parts to a request: | |
| 153 | |
| 154 1. One line identifying the request type and path | |
| 155 2. An optional set of RFC-822-style headers | |
| 156 3. An optional data part | |
| 157 | |
| 158 The headers and data are separated by a blank line. | |
| 159 | |
| 160 The first line of the request has the form | |
| 161 | |
| 162 <command> <path> <version> | |
| 163 | |
| 164 where <command> is a (case-sensitive) keyword such as GET or POST, | |
| 165 <path> is a string containing path information for the request, | |
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166 and <version> should be the string "HTTP/1.0" or "HTTP/1.1". |
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167 <path> is encoded using the URL encoding scheme (using %xx to signify |
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168 the ASCII character with hex code xx). |
| 2887 | 169 |
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170 The specification specifies that lines are separated by CRLF but |
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171 for compatibility with the widest range of clients recommends |
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172 servers also handle LF. Similarly, whitespace in the request line |
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173 is treated sensibly (allowing multiple spaces between components |
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174 and allowing trailing whitespace). |
| 2887 | 175 |
| 176 Similarly, for output, lines ought to be separated by CRLF pairs | |
| 177 but most clients grok LF characters just fine. | |
| 178 | |
| 179 If the first line of the request has the form | |
| 180 | |
| 181 <command> <path> | |
| 182 | |
| 183 (i.e. <version> is left out) then this is assumed to be an HTTP | |
| 184 0.9 request; this form has no optional headers and data part and | |
| 185 the reply consists of just the data. | |
| 186 | |
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187 The reply form of the HTTP 1.x protocol again has three parts: |
| 2887 | 188 |
| 189 1. One line giving the response code | |
| 190 2. An optional set of RFC-822-style headers | |
| 191 3. The data | |
| 192 | |
| 193 Again, the headers and data are separated by a blank line. | |
| 194 | |
| 195 The response code line has the form | |
| 196 | |
| 197 <version> <responsecode> <responsestring> | |
| 198 | |
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199 where <version> is the protocol version ("HTTP/1.0" or "HTTP/1.1"), |
| 2887 | 200 <responsecode> is a 3-digit response code indicating success or |
| 201 failure of the request, and <responsestring> is an optional | |
| 202 human-readable string explaining what the response code means. | |
| 203 | |
| 204 This server parses the request and the headers, and then calls a | |
| 205 function specific to the request type (<command>). Specifically, | |
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206 a request SPAM will be handled by a method do_SPAM(). If no |
| 2887 | 207 such method exists the server sends an error response to the |
| 208 client. If it exists, it is called with no arguments: | |
| 209 | |
| 210 do_SPAM() | |
| 211 | |
| 212 Note that the request name is case sensitive (i.e. SPAM and spam | |
| 213 are different requests). | |
| 214 | |
| 215 The various request details are stored in instance variables: | |
| 216 | |
| 217 - client_address is the client IP address in the form (host, | |
| 218 port); | |
| 219 | |
| 220 - command, path and version are the broken-down request line; | |
| 221 | |
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222 - headers is an instance of email.message.Message (or a derived |
| 2887 | 223 class) containing the header information; |
| 224 | |
| 225 - rfile is a file object open for reading positioned at the | |
| 226 start of the optional input data part; | |
| 227 | |
| 228 - wfile is a file object open for writing. | |
| 229 | |
| 230 IT IS IMPORTANT TO ADHERE TO THE PROTOCOL FOR WRITING! | |
| 231 | |
| 232 The first thing to be written must be the response line. Then | |
| 233 follow 0 or more header lines, then a blank line, and then the | |
| 234 actual data (if any). The meaning of the header lines depends on | |
| 235 the command executed by the server; in most cases, when data is | |
| 236 returned, there should be at least one header line of the form | |
| 237 | |
| 238 Content-type: <type>/<subtype> | |
| 239 | |
| 240 where <type> and <subtype> should be registered MIME types, | |
| 241 e.g. "text/html" or "text/plain". | |
| 242 | |
| 243 """ | |
| 244 | |
| 245 # The Python system version, truncated to its first component. | |
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246 sys_version = "Python/" + sys.version.split()[0] |
| 2887 | 247 |
| 248 # The server software version. You may want to override this. | |
| 249 # The format is multiple whitespace-separated strings, | |
| 250 # where each string is of the form name[/version]. | |
| 251 server_version = "BaseHTTP/" + __version__ | |
| 252 | |
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253 error_message_format = DEFAULT_ERROR_MESSAGE |
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254 error_content_type = DEFAULT_ERROR_CONTENT_TYPE |
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255 |
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256 # The default request version. This only affects responses up until |
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257 # the point where the request line is parsed, so it mainly decides what |
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258 # the client gets back when sending a malformed request line. |
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259 # Most web servers default to HTTP 0.9, i.e. don't send a status line. |
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260 default_request_version = "HTTP/0.9" |
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261 |
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262 def parse_request(self): |
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263 """Parse a request (internal). |
| 2887 | 264 |
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265 The request should be stored in self.raw_requestline; the results |
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266 are in self.command, self.path, self.request_version and |
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267 self.headers. |
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268 |
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269 Return True for success, False for failure; on failure, an |
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270 error is sent back. |
| 2887 | 271 |
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272 """ |
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273 self.command = None # set in case of error on the first line |
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274 self.request_version = version = self.default_request_version |
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275 self.close_connection = 1 |
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276 requestline = str(self.raw_requestline, 'iso-8859-1') |
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277 requestline = requestline.rstrip('\r\n') |
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278 self.requestline = requestline |
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279 words = requestline.split() |
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280 if len(words) == 3: |
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281 command, path, version = words |
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282 if version[:5] != 'HTTP/': |
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283 self.send_error(400, "Bad request version (%r)" % version) |
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284 return False |
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285 try: |
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286 base_version_number = version.split('/', 1)[1] |
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287 version_number = base_version_number.split(".") |
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288 # RFC 2145 section 3.1 says there can be only one "." and |
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289 # - major and minor numbers MUST be treated as |
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290 # separate integers; |
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291 # - HTTP/2.4 is a lower version than HTTP/2.13, which in |
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292 # turn is lower than HTTP/12.3; |
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293 # - Leading zeros MUST be ignored by recipients. |
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294 if len(version_number) != 2: |
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295 raise ValueError |
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296 version_number = int(version_number[0]), int(version_number[1]) |
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297 except (ValueError, IndexError): |
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298 self.send_error(400, "Bad request version (%r)" % version) |
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299 return False |
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300 if version_number >= (1, 1) and self.protocol_version >= "HTTP/1.1": |
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301 self.close_connection = 0 |
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302 if version_number >= (2, 0): |
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303 self.send_error(505, |
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304 "Invalid HTTP Version (%s)" % base_version_number) |
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305 return False |
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306 elif len(words) == 2: |
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307 command, path = words |
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308 self.close_connection = 1 |
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309 if command != 'GET': |
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310 self.send_error(400, |
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311 "Bad HTTP/0.9 request type (%r)" % command) |
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312 return False |
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313 elif not words: |
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314 return False |
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315 else: |
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316 self.send_error(400, "Bad request syntax (%r)" % requestline) |
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317 return False |
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318 self.command, self.path, self.request_version = command, path, version |
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319 |
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320 # Examine the headers and look for a Connection directive. |
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321 try: |
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322 self.headers = http.client.parse_headers(self.rfile, |
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323 _class=self.MessageClass) |
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324 except http.client.LineTooLong: |
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325 self.send_error(400, "Line too long") |
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326 return False |
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327 |
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328 conntype = self.headers.get('Connection', "") |
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329 if conntype.lower() == 'close': |
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330 self.close_connection = 1 |
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331 elif (conntype.lower() == 'keep-alive' and |
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332 self.protocol_version >= "HTTP/1.1"): |
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333 self.close_connection = 0 |
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334 # Examine the headers and look for an Expect directive |
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335 expect = self.headers.get('Expect', "") |
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336 if (expect.lower() == "100-continue" and |
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337 self.protocol_version >= "HTTP/1.1" and |
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338 self.request_version >= "HTTP/1.1"): |
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339 if not self.handle_expect_100(): |
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340 return False |
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341 return True |
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342 |
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343 def handle_expect_100(self): |
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344 """Decide what to do with an "Expect: 100-continue" header. |
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345 |
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346 If the client is expecting a 100 Continue response, we must |
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347 respond with either a 100 Continue or a final response before |
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348 waiting for the request body. The default is to always respond |
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349 with a 100 Continue. You can behave differently (for example, |
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350 reject unauthorized requests) by overriding this method. |
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351 |
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352 This method should either return True (possibly after sending |
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353 a 100 Continue response) or send an error response and return |
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354 False. |
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355 |
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356 """ |
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357 self.send_response_only(100) |
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358 self.flush_headers() |
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359 return True |
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360 |
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361 def handle_one_request(self): |
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362 """Handle a single HTTP request. |
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363 |
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364 You normally don't need to override this method; see the class |
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365 __doc__ string for information on how to handle specific HTTP |
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366 commands such as GET and POST. |
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367 |
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368 """ |
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369 try: |
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370 self.raw_requestline = self.rfile.readline(65537) |
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371 if len(self.raw_requestline) > 65536: |
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372 self.requestline = '' |
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373 self.request_version = '' |
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374 self.command = '' |
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375 self.send_error(414) |
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376 return |
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377 if not self.raw_requestline: |
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378 self.close_connection = 1 |
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379 return |
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380 if not self.parse_request(): |
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381 # An error code has been sent, just exit |
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382 return |
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383 mname = 'do_' + self.command |
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384 if not hasattr(self, mname): |
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385 self.send_error(501, "Unsupported method (%r)" % self.command) |
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386 return |
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387 method = getattr(self, mname) |
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388 method() |
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389 self.wfile.flush() #actually send the response if not already done. |
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390 except socket.timeout as e: |
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391 #a read or a write timed out. Discard this connection |
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392 self.log_error("Request timed out: %r", e) |
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393 self.close_connection = 1 |
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394 return |
| 2887 | 395 |
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396 def handle(self): |
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397 """Handle multiple requests if necessary.""" |
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398 self.close_connection = 1 |
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399 |
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400 self.handle_one_request() |
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401 while not self.close_connection: |
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402 self.handle_one_request() |
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403 |
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404 def send_error(self, code, message=None, explain=None): |
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405 """Send and log an error reply. |
| 2887 | 406 |
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407 Arguments are |
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408 * code: an HTTP error code |
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409 3 digits |
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410 * message: a simple optional 1 line reason phrase. |
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411 *( HTAB / SP / VCHAR / %x80-FF ) |
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412 defaults to short entry matching the response code |
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413 * explain: a detailed message defaults to the long entry |
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414 matching the response code. |
| 2887 | 415 |
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416 This sends an error response (so it must be called before any |
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417 output has been generated), logs the error, and finally sends |
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418 a piece of HTML explaining the error to the user. |
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420 """ |
| 2887 | 421 |
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422 try: |
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423 shortmsg, longmsg = self.responses[code] |
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424 except KeyError: |
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425 shortmsg, longmsg = '???', '???' |
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426 if message is None: |
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427 message = shortmsg |
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428 if explain is None: |
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429 explain = longmsg |
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430 self.log_error("code %d, message %s", code, message) |
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431 # using _quote_html to prevent Cross Site Scripting attacks (see bug #1100201) |
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432 content = (self.error_message_format % |
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433 {'code': code, 'message': _quote_html(message), 'explain': _quote_html(explain)}) |
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434 body = content.encode('UTF-8', 'replace') |
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435 self.send_response(code, message) |
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436 self.send_header("Content-Type", self.error_content_type) |
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437 self.send_header('Connection', 'close') |
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438 self.send_header('Content-Length', int(len(body))) |
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439 self.end_headers() |
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440 if self.command != 'HEAD' and code >= 200 and code not in (204, 304): |
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441 self.wfile.write(body) |
| 2887 | 442 |
| 443 def send_response(self, code, message=None): | |
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444 """Add the response header to the headers buffer and log the |
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445 response code. |
| 2887 | 446 |
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447 Also send two standard headers with the server software |
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448 version and the current date. |
| 2887 | 449 |
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450 """ |
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451 self.log_request(code) |
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452 self.send_response_only(code, message) |
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453 self.send_header('Server', self.version_string()) |
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454 self.send_header('Date', self.date_time_string()) |
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455 |
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456 def send_response_only(self, code, message=None): |
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457 """Send the response header only.""" |
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458 if message is None: |
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459 if code in self.responses: |
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460 message = self.responses[code][0] |
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461 else: |
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462 message = '' |
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463 if self.request_version != 'HTTP/0.9': |
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464 if not hasattr(self, '_headers_buffer'): |
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465 self._headers_buffer = [] |
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466 self._headers_buffer.append(("%s %d %s\r\n" % |
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467 (self.protocol_version, code, message)).encode( |
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468 'latin-1', 'strict')) |
| 2887 | 469 |
| 470 def send_header(self, keyword, value): | |
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471 """Send a MIME header to the headers buffer.""" |
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472 if self.request_version != 'HTTP/0.9': |
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473 if not hasattr(self, '_headers_buffer'): |
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474 self._headers_buffer = [] |
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475 self._headers_buffer.append( |
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476 ("%s: %s\r\n" % (keyword, value)).encode('latin-1', 'strict')) |
| 2887 | 477 |
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478 if keyword.lower() == 'connection': |
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479 if value.lower() == 'close': |
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480 self.close_connection = 1 |
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481 elif value.lower() == 'keep-alive': |
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482 self.close_connection = 0 |
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483 |
| 2887 | 484 def end_headers(self): |
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485 """Send the blank line ending the MIME headers.""" |
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486 if self.request_version != 'HTTP/0.9': |
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487 self._headers_buffer.append(b"\r\n") |
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488 self.flush_headers() |
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489 |
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490 def flush_headers(self): |
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491 if hasattr(self, '_headers_buffer'): |
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492 self.wfile.write(b"".join(self._headers_buffer)) |
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493 self._headers_buffer = [] |
| 2887 | 494 |
| 495 def log_request(self, code='-', size='-'): | |
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496 """Log an accepted request. |
| 2887 | 497 |
| 36879 | 498 This is called by send_response(). |
| 2887 | 499 |
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500 """ |
| 2887 | 501 |
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502 self.log_message('"%s" %s %s', |
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503 self.requestline, str(code), str(size)) |
| 2887 | 504 |
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505 def log_error(self, format, *args): |
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506 """Log an error. |
| 2887 | 507 |
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508 This is called when a request cannot be fulfilled. By |
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509 default it passes the message on to log_message(). |
| 2887 | 510 |
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511 Arguments are the same as for log_message(). |
| 2887 | 512 |
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513 XXX This should go to the separate error log. |
| 2887 | 514 |
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515 """ |
| 2887 | 516 |
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517 self.log_message(format, *args) |
| 2887 | 518 |
| 519 def log_message(self, format, *args): | |
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520 """Log an arbitrary message. |
| 2887 | 521 |
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522 This is used by all other logging functions. Override |
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523 it if you have specific logging wishes. |
| 2887 | 524 |
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525 The first argument, FORMAT, is a format string for the |
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526 message to be logged. If the format string contains |
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527 any % escapes requiring parameters, they should be |
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528 specified as subsequent arguments (it's just like |
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529 printf!). |
| 2887 | 530 |
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531 The client ip and current date/time are prefixed to |
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532 every message. |
| 2887 | 533 |
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534 """ |
| 2887 | 535 |
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536 sys.stderr.write("%s - - [%s] %s\n" % |
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537 (self.address_string(), |
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538 self.log_date_time_string(), |
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539 format%args)) |
| 2887 | 540 |
| 541 def version_string(self): | |
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542 """Return the server software version string.""" |
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543 return self.server_version + ' ' + self.sys_version |
| 2887 | 544 |
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545 def date_time_string(self, timestamp=None): |
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546 """Return the current date and time formatted for a message header.""" |
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547 if timestamp is None: |
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548 timestamp = time.time() |
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549 year, month, day, hh, mm, ss, wd, y, z = time.gmtime(timestamp) |
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550 s = "%s, %02d %3s %4d %02d:%02d:%02d GMT" % ( |
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551 self.weekdayname[wd], |
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552 day, self.monthname[month], year, |
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553 hh, mm, ss) |
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554 return s |
| 2887 | 555 |
| 556 def log_date_time_string(self): | |
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557 """Return the current time formatted for logging.""" |
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558 now = time.time() |
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559 year, month, day, hh, mm, ss, x, y, z = time.localtime(now) |
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560 s = "%02d/%3s/%04d %02d:%02d:%02d" % ( |
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561 day, self.monthname[month], year, hh, mm, ss) |
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562 return s |
| 2887 | 563 |
| 564 weekdayname = ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'] | |
| 565 | |
| 566 monthname = [None, | |
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567 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', |
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568 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'] |
| 2887 | 569 |
| 570 def address_string(self): | |
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571 """Return the client address.""" |
| 2887 | 572 |
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573 return self.client_address[0] |
| 2887 | 574 |
| 575 # Essentially static class variables | |
| 576 | |
| 577 # The version of the HTTP protocol we support. | |
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578 # Set this to HTTP/1.1 to enable automatic keepalive |
| 2887 | 579 protocol_version = "HTTP/1.0" |
| 580 | |
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581 # MessageClass used to parse headers |
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582 MessageClass = http.client.HTTPMessage |
| 2887 | 583 |
| 584 # Table mapping response codes to messages; entries have the | |
| 585 # form {code: (shortmessage, longmessage)}. | |
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586 # See RFC 2616 and 6585. |
| 2887 | 587 responses = { |
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588 100: ('Continue', 'Request received, please continue'), |
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589 101: ('Switching Protocols', |
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590 'Switching to new protocol; obey Upgrade header'), |
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591 |
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592 200: ('OK', 'Request fulfilled, document follows'), |
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593 201: ('Created', 'Document created, URL follows'), |
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594 202: ('Accepted', |
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595 'Request accepted, processing continues off-line'), |
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596 203: ('Non-Authoritative Information', 'Request fulfilled from cache'), |
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597 204: ('No Content', 'Request fulfilled, nothing follows'), |
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598 205: ('Reset Content', 'Clear input form for further input.'), |
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599 206: ('Partial Content', 'Partial content follows.'), |
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600 |
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601 300: ('Multiple Choices', |
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602 'Object has several resources -- see URI list'), |
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603 301: ('Moved Permanently', 'Object moved permanently -- see URI list'), |
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604 302: ('Found', 'Object moved temporarily -- see URI list'), |
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605 303: ('See Other', 'Object moved -- see Method and URL list'), |
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606 304: ('Not Modified', |
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607 'Document has not changed since given time'), |
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608 305: ('Use Proxy', |
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609 'You must use proxy specified in Location to access this ' |
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610 'resource.'), |
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611 307: ('Temporary Redirect', |
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612 'Object moved temporarily -- see URI list'), |
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613 |
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614 400: ('Bad Request', |
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615 'Bad request syntax or unsupported method'), |
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616 401: ('Unauthorized', |
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617 'No permission -- see authorization schemes'), |
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618 402: ('Payment Required', |
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619 'No payment -- see charging schemes'), |
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620 403: ('Forbidden', |
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621 'Request forbidden -- authorization will not help'), |
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622 404: ('Not Found', 'Nothing matches the given URI'), |
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623 405: ('Method Not Allowed', |
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624 'Specified method is invalid for this resource.'), |
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625 406: ('Not Acceptable', 'URI not available in preferred format.'), |
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626 407: ('Proxy Authentication Required', 'You must authenticate with ' |
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627 'this proxy before proceeding.'), |
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628 408: ('Request Timeout', 'Request timed out; try again later.'), |
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629 409: ('Conflict', 'Request conflict.'), |
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630 410: ('Gone', |
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631 'URI no longer exists and has been permanently removed.'), |
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632 411: ('Length Required', 'Client must specify Content-Length.'), |
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633 412: ('Precondition Failed', 'Precondition in headers is false.'), |
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634 413: ('Request Entity Too Large', 'Entity is too large.'), |
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635 414: ('Request-URI Too Long', 'URI is too long.'), |
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636 415: ('Unsupported Media Type', 'Entity body in unsupported format.'), |
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637 416: ('Requested Range Not Satisfiable', |
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638 'Cannot satisfy request range.'), |
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639 417: ('Expectation Failed', |
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640 'Expect condition could not be satisfied.'), |
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641 428: ('Precondition Required', |
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642 'The origin server requires the request to be conditional.'), |
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643 429: ('Too Many Requests', 'The user has sent too many requests ' |
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644 'in a given amount of time ("rate limiting").'), |
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645 431: ('Request Header Fields Too Large', 'The server is unwilling to ' |
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parents:
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646 'process the request because its header fields are too large.'), |
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Whitespace normalization.
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647 |
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648 500: ('Internal Server Error', 'Server got itself in trouble'), |
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Patch #430706: Persistent connections in BaseHTTPServer.
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649 501: ('Not Implemented', |
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650 'Server does not support this operation'), |
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651 502: ('Bad Gateway', 'Invalid responses from another server/proxy.'), |
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652 503: ('Service Unavailable', |
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653 'The server cannot process the request due to a high load'), |
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654 504: ('Gateway Timeout', |
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655 'The gateway server did not receive a timely response'), |
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656 505: ('HTTP Version Not Supported', 'Cannot fulfill request.'), |
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657 511: ('Network Authentication Required', |
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658 'The client needs to authenticate to gain network access.'), |
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659 } |
| 2887 | 660 |
| 661 | |
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662 class SimpleHTTPRequestHandler(BaseHTTPRequestHandler): |
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663 |
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664 """Simple HTTP request handler with GET and HEAD commands. |
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665 |
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666 This serves files from the current directory and any of its |
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667 subdirectories. The MIME type for files is determined by |
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668 calling the .guess_type() method. |
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669 |
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670 The GET and HEAD requests are identical except that the HEAD |
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671 request omits the actual contents of the file. |
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672 |
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673 """ |
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674 |
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675 server_version = "SimpleHTTP/" + __version__ |
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676 |
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677 def do_GET(self): |
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678 """Serve a GET request.""" |
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679 f = self.send_head() |
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680 if f: |
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681 self.copyfile(f, self.wfile) |
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682 f.close() |
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683 |
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684 def do_HEAD(self): |
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685 """Serve a HEAD request.""" |
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686 f = self.send_head() |
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687 if f: |
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688 f.close() |
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689 |
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690 def send_head(self): |
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691 """Common code for GET and HEAD commands. |
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692 |
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693 This sends the response code and MIME headers. |
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694 |
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695 Return value is either a file object (which has to be copied |
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696 to the outputfile by the caller unless the command was HEAD, |
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697 and must be closed by the caller under all circumstances), or |
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698 None, in which case the caller has nothing further to do. |
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699 |
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700 """ |
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701 path = self.translate_path(self.path) |
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702 f = None |
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703 if os.path.isdir(path): |
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704 if not self.path.endswith('/'): |
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parents:
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705 # redirect browser - doing basically what apache does |
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706 self.send_response(301) |
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707 self.send_header("Location", self.path + "/") |
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708 self.end_headers() |
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709 return None |
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710 for index in "index.html", "index.htm": |
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711 index = os.path.join(path, index) |
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712 if os.path.exists(index): |
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713 path = index |
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714 break |
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715 else: |
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716 return self.list_directory(path) |
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717 ctype = self.guess_type(path) |
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|
718 try: |
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|
719 f = open(path, 'rb') |
|
81039
7d69d04522e3
Replace IOError with OSError (#16715)
Andrew Svetlov <andrew.svetlov@gmail.com>
parents:
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|
720 except OSError: |
|
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721 self.send_error(404, "File not found") |
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722 return None |
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|
723 self.send_response(200) |
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parents:
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724 self.send_header("Content-type", ctype) |
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725 fs = os.fstat(f.fileno()) |
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726 self.send_header("Content-Length", str(fs[6])) |
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727 self.send_header("Last-Modified", self.date_time_string(fs.st_mtime)) |
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728 self.end_headers() |
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|
729 return f |
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730 |
|
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parents:
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|
731 def list_directory(self, path): |
|
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|
732 """Helper to produce a directory listing (absent index.html). |
|
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|
733 |
|
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|
734 Return value is either a file object, or None (indicating an |
|
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Create http package. #2883.
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diff
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|
735 error). In either case, the headers are sent, making the |
|
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Create http package. #2883.
Georg Brandl <georg@python.org>
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|
736 interface the same as for send_head(). |
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parents:
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|
737 |
|
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Create http package. #2883.
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parents:
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diff
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|
738 """ |
|
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Create http package. #2883.
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parents:
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|
739 try: |
|
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|
740 list = os.listdir(path) |
|
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47f98a550d42
Issue #16706: get rid of os.error
Andrew Svetlov <andrew.svetlov@gmail.com>
parents:
79664
diff
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|
741 except OSError: |
|
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742 self.send_error(404, "No permission to list directory") |
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|
743 return None |
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|
744 list.sort(key=lambda a: a.lower()) |
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745 r = [] |
|
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5633af590057
#2830: add html.escape() helper and move cgi.escape() uses in the standard library to it. It defaults to quote=True and also escapes single quotes, which makes casual use safer. The cgi.escape() interface is not touched, but emits a (silent) PendingDeprecationWarning.
Georg Brandl <georg@python.org>
parents:
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746 displaypath = html.escape(urllib.parse.unquote(self.path)) |
|
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10823e7be085
#13295: http.server now produces valid HTML 4.01 strict.
Ezio Melotti <ezio.melotti@gmail.com>
parents:
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diff
changeset
|
747 enc = sys.getfilesystemencoding() |
|
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#13295: http.server now produces valid HTML 4.01 strict.
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parents:
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diff
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|
748 title = 'Directory listing for %s' % displaypath |
|
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#13295: http.server now produces valid HTML 4.01 strict.
Ezio Melotti <ezio.melotti@gmail.com>
parents:
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diff
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|
749 r.append('<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" ' |
|
10823e7be085
#13295: http.server now produces valid HTML 4.01 strict.
Ezio Melotti <ezio.melotti@gmail.com>
parents:
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diff
changeset
|
750 '"http://www.w3.org/TR/html4/strict.dtd">') |
|
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#13295: http.server now produces valid HTML 4.01 strict.
Ezio Melotti <ezio.melotti@gmail.com>
parents:
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diff
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|
751 r.append('<html>\n<head>') |
|
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#13295: http.server now produces valid HTML 4.01 strict.
Ezio Melotti <ezio.melotti@gmail.com>
parents:
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diff
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|
752 r.append('<meta http-equiv="Content-Type" ' |
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#13295: http.server now produces valid HTML 4.01 strict.
Ezio Melotti <ezio.melotti@gmail.com>
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diff
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|
753 'content="text/html; charset=%s">' % enc) |
|
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#13295: http.server now produces valid HTML 4.01 strict.
Ezio Melotti <ezio.melotti@gmail.com>
parents:
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diff
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|
754 r.append('<title>%s</title>\n</head>' % title) |
|
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#13295: http.server now produces valid HTML 4.01 strict.
Ezio Melotti <ezio.melotti@gmail.com>
parents:
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diff
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|
755 r.append('<body>\n<h1>%s</h1>' % title) |
|
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#13295: http.server now produces valid HTML 4.01 strict.
Ezio Melotti <ezio.melotti@gmail.com>
parents:
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diff
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|
756 r.append('<hr>\n<ul>') |
|
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|
757 for name in list: |
|
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parents:
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diff
changeset
|
758 fullname = os.path.join(path, name) |
|
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Create http package. #2883.
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parents:
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|
759 displayname = linkname = name |
|
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|
760 # Append / for directories or @ for symbolic links |
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761 if os.path.isdir(fullname): |
|
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762 displayname = name + "/" |
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763 linkname = name + "/" |
|
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764 if os.path.islink(fullname): |
|
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765 displayname = name + "@" |
|
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|
766 # Note: a link to a directory displays with @ and links with / |
|
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|
767 r.append('<li><a href="%s">%s</a></li>' |
|
65362
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#2830: add html.escape() helper and move cgi.escape() uses in the standard library to it. It defaults to quote=True and also escapes single quotes, which makes casual use safer. The cgi.escape() interface is not touched, but emits a (silent) PendingDeprecationWarning.
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|
768 % (urllib.parse.quote(linkname), html.escape(displayname))) |
|
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|
769 r.append('</ul>\n<hr>\n</body>\n</html>\n') |
|
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770 encoded = '\n'.join(r).encode(enc) |
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771 f = io.BytesIO() |
|
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|
772 f.write(encoded) |
|
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|
773 f.seek(0) |
|
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|
774 self.send_response(200) |
|
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775 self.send_header("Content-type", "text/html; charset=%s" % enc) |
|
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776 self.send_header("Content-Length", str(len(encoded))) |
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777 self.end_headers() |
|
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|
778 return f |
|
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|
779 |
|
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|
780 def translate_path(self, path): |
|
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781 """Translate a /-separated PATH to the local filename syntax. |
|
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|
782 |
|
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|
783 Components that mean special things to the local file system |
|
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784 (e.g. drive or directory names) are ignored. (XXX They should |
|
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|
785 probably be diagnosed.) |
|
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|
786 |
|
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787 """ |
|
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788 # abandon query parameters |
|
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789 path = path.split('?',1)[0] |
|
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|
790 path = path.split('#',1)[0] |
|
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|
791 # Don't forget explicit trailing slash when normalizing. Issue17324 |
|
85878
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Minor code improvement. Review comment by Eric V. Smith
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|
792 trailing_slash = path.rstrip().endswith('/') |
|
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Jeremy Hylton <jeremy@alum.mit.edu>
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|
793 path = posixpath.normpath(urllib.parse.unquote(path)) |
|
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794 words = path.split('/') |
|
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795 words = filter(None, words) |
|
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796 path = os.getcwd() |
|
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797 for word in words: |
|
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798 drive, word = os.path.splitdrive(word) |
|
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799 head, word = os.path.split(word) |
|
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800 if word in (os.curdir, os.pardir): continue |
|
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801 path = os.path.join(path, word) |
|
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|
802 if trailing_slash: |
|
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|
803 path += '/' |
|
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|
804 return path |
|
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|
805 |
|
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|
806 def copyfile(self, source, outputfile): |
|
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|
807 """Copy all data between two file objects. |
|
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|
808 |
|
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|
809 The SOURCE argument is a file object open for reading |
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|
810 (or anything with a read() method) and the DESTINATION |
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|
811 argument is a file object open for writing (or |
|
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|
812 anything with a write() method). |
|
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|
813 |
|
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|
814 The only reason for overriding this would be to change |
|
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|
815 the block size or perhaps to replace newlines by CRLF |
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|
816 -- note however that this the default server uses this |
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817 to copy binary data as well. |
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|
818 |
|
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819 """ |
|
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820 shutil.copyfileobj(source, outputfile) |
|
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|
821 |
|
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|
822 def guess_type(self, path): |
|
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|
823 """Guess the type of a file. |
|
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|
824 |
|
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|
825 Argument is a PATH (a filename). |
|
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|
826 |
|
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|
827 Return value is a string of the form type/subtype, |
|
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|
828 usable for a MIME Content-type header. |
|
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|
829 |
|
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|
830 The default implementation looks the file's extension |
|
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|
831 up in the table self.extensions_map, using application/octet-stream |
|
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832 as a default; however it would be permissible (if |
|
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|
833 slow) to look inside the data to make a better guess. |
|
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|
834 |
|
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|
835 """ |
|
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|
836 |
|
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|
837 base, ext = posixpath.splitext(path) |
|
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|
838 if ext in self.extensions_map: |
|
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|
839 return self.extensions_map[ext] |
|
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840 ext = ext.lower() |
|
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|
841 if ext in self.extensions_map: |
|
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|
842 return self.extensions_map[ext] |
|
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|
843 else: |
|
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|
844 return self.extensions_map[''] |
|
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|
845 |
|
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|
846 if not mimetypes.inited: |
|
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|
847 mimetypes.init() # try to read system mime.types |
|
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848 extensions_map = mimetypes.types_map.copy() |
|
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|
849 extensions_map.update({ |
|
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|
850 '': 'application/octet-stream', # Default |
|
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|
851 '.py': 'text/plain', |
|
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|
852 '.c': 'text/plain', |
|
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|
853 '.h': 'text/plain', |
|
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|
854 }) |
|
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changeset
|
855 |
|
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diff
changeset
|
856 |
|
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changeset
|
857 # Utilities for CGIHTTPRequestHandler |
|
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|
858 |
|
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3.2 - Issue 10484 - Incorporate improvements to CGI module - Suggested by Glenn Linderman. Refactor code and tests
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|
859 def _url_collapse_path(path): |
|
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860 """ |
|
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861 Given a URL path, remove extra '/'s and '.' path elements and collapse |
|
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|
862 any '..' references and returns a colllapsed path. |
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863 |
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864 Implements something akin to RFC-2396 5.2 step 6 to parse relative paths. |
|
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865 The utility of this function is limited to is_cgi method and helps |
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|
866 preventing some security attacks. |
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867 |
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868 Returns: A tuple of (head, tail) where tail is everything after the final / |
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869 and head is everything before it. Head will always start with a '/' and, |
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870 if it contains anything else, never have a trailing '/'. |
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871 |
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|
872 Raises: IndexError if too many '..' occur within the path. |
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873 |
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874 """ |
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875 # Similar to os.path.split(os.path.normpath(path)) but specific to URL |
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|
876 # path semantics rather than local operating system semantics. |
|
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877 path_parts = path.split('/') |
|
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|
878 head_parts = [] |
|
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|
879 for part in path_parts[:-1]: |
|
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|
880 if part == '..': |
|
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|
881 head_parts.pop() # IndexError if more '..' than prior parts |
|
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|
882 elif part and part != '.': |
|
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|
883 head_parts.append( part ) |
|
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|
884 if path_parts: |
|
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|
885 tail_part = path_parts.pop() |
|
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|
886 if tail_part: |
|
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|
887 if tail_part == '..': |
|
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|
888 head_parts.pop() |
|
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|
889 tail_part = '' |
|
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|
890 elif tail_part == '.': |
|
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|
891 tail_part = '' |
|
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|
892 else: |
|
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|
893 tail_part = '' |
|
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|
894 |
|
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|
895 splitpath = ('/' + '/'.join(head_parts), tail_part) |
|
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|
896 collapsed_path = "/".join(splitpath) |
|
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|
897 |
|
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|
898 return collapsed_path |
|
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|
899 |
|
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|
900 |
|
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|
901 |
|
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902 nobody = None |
|
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|
903 |
|
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Georg Brandl <georg@python.org>
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|
904 def nobody_uid(): |
|
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|
905 """Internal routine to get nobody's uid""" |
|
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|
906 global nobody |
|
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|
907 if nobody: |
|
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|
908 return nobody |
|
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|
909 try: |
|
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|
910 import pwd |
|
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911 except ImportError: |
|
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|
912 return -1 |
|
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|
913 try: |
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914 nobody = pwd.getpwnam('nobody')[2] |
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915 except KeyError: |
|
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916 nobody = 1 + max(x[2] for x in pwd.getpwall()) |
|
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917 return nobody |
|
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|
918 |
|
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919 |
|
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|
920 def executable(path): |
|
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|
921 """Test for executable file.""" |
|
70908
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diff
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|
922 return os.access(path, os.X_OK) |
|
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923 |
|
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924 |
|
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|
925 class CGIHTTPRequestHandler(SimpleHTTPRequestHandler): |
|
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|
926 |
|
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|
927 """Complete HTTP server with GET, HEAD and POST commands. |
|
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|
928 |
|
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|
929 GET and HEAD also support running CGI scripts. |
|
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|
930 |
|
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|
931 The POST command is *only* implemented for CGI scripts. |
|
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diff
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|
932 |
|
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|
933 """ |
|
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|
934 |
|
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|
935 # Determine platform specifics |
|
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|
936 have_fork = hasattr(os, 'fork') |
|
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|
937 |
|
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|
938 # Make rfile unbuffered -- we need to read one line and then pass |
|
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939 # the rest to a subprocess, so we can't use buffered input. |
|
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diff
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|
940 rbufsize = 0 |
|
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|
941 |
|
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diff
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|
942 def do_POST(self): |
|
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Create http package. #2883.
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diff
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|
943 """Serve a POST request. |
|
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diff
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|
944 |
|
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|
945 This is only implemented for CGI scripts. |
|
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|
946 |
|
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|
947 """ |
|
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diff
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|
948 |
|
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|
949 if self.is_cgi(): |
|
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Create http package. #2883.
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diff
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|
950 self.run_cgi() |
|
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diff
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|
951 else: |
|
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Create http package. #2883.
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diff
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|
952 self.send_error(501, "Can only POST to CGI scripts") |
|
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|
953 |
|
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Georg Brandl <georg@python.org>
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diff
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|
954 def send_head(self): |
|
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|
955 """Version of send_head that support CGI scripts""" |
|
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|
956 if self.is_cgi(): |
|
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|
957 return self.run_cgi() |
|
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|
958 else: |
|
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|
959 return SimpleHTTPRequestHandler.send_head(self) |
|
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diff
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|
960 |
|
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diff
changeset
|
961 def is_cgi(self): |
|
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|
962 """Test whether self.path corresponds to a CGI script. |
|
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|
963 |
|
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|
964 Returns True and updates the cgi_info attribute to the tuple |
|
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|
965 (dir, rest) if self.path requires running a CGI script. |
|
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|
966 Returns False otherwise. |
|
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|
967 |
| 53921 | 968 If any exception is raised, the caller should assume that |
| 969 self.path was rejected as invalid and act accordingly. | |
| 970 | |
|
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|
971 The default implementation tests whether the normalized url |
|
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|
972 path begins with one of the strings in self.cgi_directories |
|
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|
973 (and the next character is a '/' or the end of the string). |
|
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|
974 |
|
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|
975 """ |
|
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|
976 collapsed_path = _url_collapse_path(self.path) |
|
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|
977 dir_sep = collapsed_path.find('/', 1) |
|
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|
978 head, tail = collapsed_path[:dir_sep], collapsed_path[dir_sep+1:] |
|
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|
979 if head in self.cgi_directories: |
|
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|
980 self.cgi_info = head, tail |
|
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|
981 return True |
|
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|
982 return False |
|
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|
983 |
|
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|
984 |
|
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|
985 cgi_directories = ['/cgi-bin', '/htbin'] |
|
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|
986 |
|
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|
987 def is_executable(self, path): |
|
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|
988 """Test whether argument path is an executable file.""" |
|
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|
989 return executable(path) |
|
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|
990 |
|
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|
991 def is_python(self, path): |
|
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|
992 """Test whether argument path is a Python script.""" |
|
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changeset
|
993 head, tail = os.path.splitext(path) |
|
e1fcc3881cb6
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Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
994 return tail.lower() in (".py", ".pyw") |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
995 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
996 def run_cgi(self): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
997 """Execute a CGI script.""" |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
998 path = self.path |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
999 dir, rest = self.cgi_info |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1000 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1001 i = path.find('/', len(dir) + 1) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1002 while i >= 0: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1003 nextdir = path[:i] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1004 nextrest = path[i+1:] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1005 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1006 scriptdir = self.translate_path(nextdir) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1007 if os.path.isdir(scriptdir): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1008 dir, rest = nextdir, nextrest |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1009 i = path.find('/', len(dir) + 1) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1010 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1011 break |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1012 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1013 # find an explicit query string, if present. |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1014 i = rest.rfind('?') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1015 if i >= 0: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1016 rest, query = rest[:i], rest[i+1:] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1017 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1018 query = '' |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1019 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1020 # dissect the part after the directory name into a script name & |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1021 # a possible additional path, to be stored in PATH_INFO. |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1022 i = rest.find('/') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1023 if i >= 0: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1024 script, rest = rest[:i], rest[i:] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1025 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1026 script, rest = rest, '' |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1027 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1028 scriptname = dir + '/' + script |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1029 scriptfile = self.translate_path(scriptname) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1030 if not os.path.exists(scriptfile): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
1031 self.send_error(404, "No such CGI script (%r)" % scriptname) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1032 return |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1033 if not os.path.isfile(scriptfile): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1034 self.send_error(403, "CGI script is not a plain file (%r)" % |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1035 scriptname) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1036 return |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1037 ispy = self.is_python(scriptname) |
|
70908
ecef74419d55
Close #12289: Fix "is executable?" test in the CGI server
Victor Stinner <victor.stinner@haypocalc.com>
parents:
69981
diff
changeset
|
1038 if self.have_fork or not ispy: |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1039 if not self.is_executable(scriptfile): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1040 self.send_error(403, "CGI script is not executable (%r)" % |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1041 scriptname) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1042 return |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1043 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1044 # Reference: http://hoohoo.ncsa.uiuc.edu/cgi/env.html |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1045 # XXX Much of the following could be prepared ahead of time! |
|
65076
945a55d4e73e
Merged revisions 85202 via svnmerge from
Senthil Kumaran <orsenthil@gmail.com>
parents:
63443
diff
changeset
|
1046 env = copy.deepcopy(os.environ) |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1047 env['SERVER_SOFTWARE'] = self.version_string() |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1048 env['SERVER_NAME'] = self.server.server_name |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1049 env['GATEWAY_INTERFACE'] = 'CGI/1.1' |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1050 env['SERVER_PROTOCOL'] = self.protocol_version |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1051 env['SERVER_PORT'] = str(self.server.server_port) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1052 env['REQUEST_METHOD'] = self.command |
|
48334
5a416a6417d3
Make a new urllib package .
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
47657
diff
changeset
|
1053 uqrest = urllib.parse.unquote(rest) |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1054 env['PATH_INFO'] = uqrest |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1055 env['PATH_TRANSLATED'] = self.translate_path(uqrest) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1056 env['SCRIPT_NAME'] = scriptname |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1057 if query: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1058 env['QUERY_STRING'] = query |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1059 env['REMOTE_ADDR'] = self.client_address[0] |
|
47635
f31e32a2013c
Patch for issue 2848, mostly by Humberto Diogenes, with a couple of
Barry Warsaw <barry@python.org>
parents:
47318
diff
changeset
|
1060 authorization = self.headers.get("authorization") |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1061 if authorization: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1062 authorization = authorization.split() |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1063 if len(authorization) == 2: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1064 import base64, binascii |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1065 env['AUTH_TYPE'] = authorization[0] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1066 if authorization[0].lower() == "basic": |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1067 try: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1068 authorization = authorization[1].encode('ascii') |
|
54568
031b963f2bc2
More codestring -> codebytes.
Georg Brandl <georg@python.org>
parents:
53921
diff
changeset
|
1069 authorization = base64.decodebytes(authorization).\ |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1070 decode('ascii') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1071 except (binascii.Error, UnicodeError): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1072 pass |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1073 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1074 authorization = authorization.split(':') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1075 if len(authorization) == 2: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1076 env['REMOTE_USER'] = authorization[0] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1077 # XXX REMOTE_IDENT |
|
47635
f31e32a2013c
Patch for issue 2848, mostly by Humberto Diogenes, with a couple of
Barry Warsaw <barry@python.org>
parents:
47318
diff
changeset
|
1078 if self.headers.get('content-type') is None: |
|
f31e32a2013c
Patch for issue 2848, mostly by Humberto Diogenes, with a couple of
Barry Warsaw <barry@python.org>
parents:
47318
diff
changeset
|
1079 env['CONTENT_TYPE'] = self.headers.get_content_type() |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1080 else: |
|
47635
f31e32a2013c
Patch for issue 2848, mostly by Humberto Diogenes, with a couple of
Barry Warsaw <barry@python.org>
parents:
47318
diff
changeset
|
1081 env['CONTENT_TYPE'] = self.headers['content-type'] |
|
f31e32a2013c
Patch for issue 2848, mostly by Humberto Diogenes, with a couple of
Barry Warsaw <barry@python.org>
parents:
47318
diff
changeset
|
1082 length = self.headers.get('content-length') |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1083 if length: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1084 env['CONTENT_LENGTH'] = length |
|
47635
f31e32a2013c
Patch for issue 2848, mostly by Humberto Diogenes, with a couple of
Barry Warsaw <barry@python.org>
parents:
47318
diff
changeset
|
1085 referer = self.headers.get('referer') |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1086 if referer: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1087 env['HTTP_REFERER'] = referer |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1088 accept = [] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1089 for line in self.headers.getallmatchingheaders('accept'): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1090 if line[:1] in "\t\n\r ": |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1091 accept.append(line.strip()) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1092 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1093 accept = accept + line[7:].split(',') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1094 env['HTTP_ACCEPT'] = ','.join(accept) |
|
47635
f31e32a2013c
Patch for issue 2848, mostly by Humberto Diogenes, with a couple of
Barry Warsaw <barry@python.org>
parents:
47318
diff
changeset
|
1095 ua = self.headers.get('user-agent') |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1096 if ua: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1097 env['HTTP_USER_AGENT'] = ua |
|
47635
f31e32a2013c
Patch for issue 2848, mostly by Humberto Diogenes, with a couple of
Barry Warsaw <barry@python.org>
parents:
47318
diff
changeset
|
1098 co = filter(None, self.headers.get_all('cookie', [])) |
|
63443
93b3ae63d2f3
Merged revisions 83371,83390 via svnmerge from
Georg Brandl <georg@python.org>
parents:
58996
diff
changeset
|
1099 cookie_str = ', '.join(co) |
|
93b3ae63d2f3
Merged revisions 83371,83390 via svnmerge from
Georg Brandl <georg@python.org>
parents:
58996
diff
changeset
|
1100 if cookie_str: |
|
93b3ae63d2f3
Merged revisions 83371,83390 via svnmerge from
Georg Brandl <georg@python.org>
parents:
58996
diff
changeset
|
1101 env['HTTP_COOKIE'] = cookie_str |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1102 # XXX Other HTTP_* headers |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1103 # Since we're setting the env in the parent, provide empty |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1104 # values to override previously set values |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1105 for k in ('QUERY_STRING', 'REMOTE_HOST', 'CONTENT_LENGTH', |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1106 'HTTP_USER_AGENT', 'HTTP_COOKIE', 'HTTP_REFERER'): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1107 env.setdefault(k, "") |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1108 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1109 self.send_response(200, "Script output follows") |
|
69981
25298224cb25
Issue #3709: a flush_headers method to BaseHTTPRequestHandler which manages the
Senthil Kumaran <senthil@uthcode.com>
parents:
68707
diff
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|
1110 self.flush_headers() |
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1111 |
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1112 decoded_query = query.replace('+', ' ') |
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1113 |
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1114 if self.have_fork: |
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1115 # Unix -- fork as we should |
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1116 args = [script] |
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1117 if '=' not in decoded_query: |
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1118 args.append(decoded_query) |
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1119 nobody = nobody_uid() |
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1120 self.wfile.flush() # Always flush before forking |
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1121 pid = os.fork() |
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1122 if pid != 0: |
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1123 # Parent |
|
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1124 pid, sts = os.waitpid(pid, 0) |
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1125 # throw away additional data [see bug #427345] |
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1126 while select.select([self.rfile], [], [], 0)[0]: |
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1127 if not self.rfile.read(1): |
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1128 break |
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1129 if sts: |
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1130 self.log_error("CGI script exit status %#x", sts) |
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1131 return |
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1132 # Child |
|
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1133 try: |
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1134 try: |
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1135 os.setuid(nobody) |
|
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1136 except OSError: |
|
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1137 pass |
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1138 os.dup2(self.rfile.fileno(), 0) |
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1139 os.dup2(self.wfile.fileno(), 1) |
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1140 os.execve(scriptfile, args, env) |
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1141 except: |
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1142 self.server.handle_error(self.request, self.client_address) |
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1143 os._exit(127) |
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1144 |
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1145 else: |
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1146 # Non-Unix -- use subprocess |
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1147 import subprocess |
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1148 cmdline = [scriptfile] |
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1149 if self.is_python(scriptfile): |
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1150 interp = sys.executable |
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1151 if interp.lower().endswith("w.exe"): |
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1152 # On Windows, use python.exe, not pythonw.exe |
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1153 interp = interp[:-5] + interp[-4:] |
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1154 cmdline = [interp, '-u'] + cmdline |
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1155 if '=' not in query: |
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1156 cmdline.append(query) |
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1157 self.log_message("command: %s", subprocess.list2cmdline(cmdline)) |
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1158 try: |
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1159 nbytes = int(length) |
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1160 except (TypeError, ValueError): |
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1161 nbytes = 0 |
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1162 p = subprocess.Popen(cmdline, |
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1163 stdin=subprocess.PIPE, |
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1164 stdout=subprocess.PIPE, |
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1165 stderr=subprocess.PIPE, |
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1166 env = env |
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1167 ) |
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1168 if self.command.lower() == "post" and nbytes > 0: |
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1169 data = self.rfile.read(nbytes) |
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1170 else: |
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1171 data = None |
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1172 # throw away additional data [see bug #427345] |
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1173 while select.select([self.rfile._sock], [], [], 0)[0]: |
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1174 if not self.rfile._sock.recv(1): |
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1175 break |
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1176 stdout, stderr = p.communicate(data) |
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1177 self.wfile.write(stdout) |
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1178 if stderr: |
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1179 self.log_error('%s', stderr) |
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1180 p.stderr.close() |
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1181 p.stdout.close() |
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1182 status = p.returncode |
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1183 if status: |
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1184 self.log_error("CGI script exit status %#x", status) |
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1185 else: |
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1186 self.log_message("CGI script exited OK") |
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1187 |
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1188 |
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1189 def test(HandlerClass=BaseHTTPRequestHandler, |
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1190 ServerClass=HTTPServer, protocol="HTTP/1.0", port=8000, bind=""): |
| 2887 | 1191 """Test the HTTP request handler class. |
| 1192 | |
| 1193 This runs an HTTP server on port 8000 (or the first command line | |
| 1194 argument). | |
| 1195 | |
| 1196 """ | |
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1197 server_address = (bind, port) |
| 2887 | 1198 |
|
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1199 HandlerClass.protocol_version = protocol |
| 2887 | 1200 httpd = ServerClass(server_address, HandlerClass) |
| 1201 | |
|
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1202 sa = httpd.socket.getsockname() |
|
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1203 print("Serving HTTP on", sa[0], "port", sa[1], "...") |
|
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1204 try: |
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1205 httpd.serve_forever() |
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1206 except KeyboardInterrupt: |
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1207 print("\nKeyboard interrupt received, exiting.") |
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1208 httpd.server_close() |
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1209 sys.exit(0) |
| 2887 | 1210 |
| 1211 if __name__ == '__main__': | |
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1212 parser = argparse.ArgumentParser() |
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1213 parser.add_argument('--cgi', action='store_true', |
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1214 help='Run as CGI Server') |
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1215 parser.add_argument('--bind', '-b', default='', metavar='ADDRESS', |
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1216 help='Specify alternate bind address ' |
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1217 '[default: all interfaces]') |
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1218 parser.add_argument('port', action='store', |
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1219 default=8000, type=int, |
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1220 nargs='?', |
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1221 help='Specify alternate port [default: 8000]') |
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1222 args = parser.parse_args() |
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1223 if args.cgi: |
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1224 handler_class = CGIHTTPRequestHandler |
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1225 else: |
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1226 handler_class = SimpleHTTPRequestHandler |
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1227 test(HandlerClass=handler_class, port=args.port, bind=args.bind) |