Mercurial > cpython-lru_cache-weakref
annotate Lib/http/server.py @ 74006:88198b93ff2f
Issue #13560: Add PyUnicode_EncodeLocale()
* Use PyUnicode_EncodeLocale() in time.strftime() if wcsftime() is not
available
* Document my last changes in Misc/NEWS
| author | Victor Stinner <victor.stinner@haypocalc.com> |
|---|---|
| date | Sat, 17 Dec 2011 04:13:41 +0100 |
| parents | 10823e7be085 |
| children | 0466ee1816b1 |
| 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 # |
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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"] |
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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 |
| 2887 | 103 |
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104 # Default error message template |
| 2887 | 105 DEFAULT_ERROR_MESSAGE = """\ |
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106 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" |
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107 "http://www.w3.org/TR/html4/strict.dtd"> |
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108 <html> |
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109 <head> |
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110 <meta http-equiv="Content-Type" content="text/html;charset=utf-8"> |
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111 <title>Error response</title> |
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112 </head> |
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113 <body> |
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114 <h1>Error response</h1> |
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115 <p>Error code: %(code)d</p> |
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116 <p>Message: %(message)s.</p> |
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117 <p>Error code explanation: %(code)s - %(explain)s.</p> |
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118 </body> |
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119 </html> |
| 2887 | 120 """ |
| 121 | |
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122 DEFAULT_ERROR_CONTENT_TYPE = "text/html;charset=utf-8" |
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123 |
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124 def _quote_html(html): |
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125 return html.replace("&", "&").replace("<", "<").replace(">", ">") |
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127 class HTTPServer(socketserver.TCPServer): |
| 2887 | 128 |
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129 allow_reuse_address = 1 # Seems to make sense in testing environment |
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130 |
| 2887 | 131 def server_bind(self): |
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132 """Override server_bind to store the server name.""" |
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133 socketserver.TCPServer.server_bind(self) |
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134 host, port = self.socket.getsockname()[:2] |
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135 self.server_name = socket.getfqdn(host) |
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136 self.server_port = port |
| 2887 | 137 |
| 138 | |
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139 class BaseHTTPRequestHandler(socketserver.StreamRequestHandler): |
| 2887 | 140 |
| 141 """HTTP request handler base class. | |
| 142 | |
| 143 The following explanation of HTTP serves to guide you through the | |
| 144 code as well as to expose any misunderstandings I may have about | |
| 145 HTTP (so you don't need to read the code to figure out I'm wrong | |
| 146 :-). | |
| 147 | |
| 148 HTTP (HyperText Transfer Protocol) is an extensible protocol on | |
| 149 top of a reliable stream transport (e.g. TCP/IP). The protocol | |
| 150 recognizes three parts to a request: | |
| 151 | |
| 152 1. One line identifying the request type and path | |
| 153 2. An optional set of RFC-822-style headers | |
| 154 3. An optional data part | |
| 155 | |
| 156 The headers and data are separated by a blank line. | |
| 157 | |
| 158 The first line of the request has the form | |
| 159 | |
| 160 <command> <path> <version> | |
| 161 | |
| 162 where <command> is a (case-sensitive) keyword such as GET or POST, | |
| 163 <path> is a string containing path information for the request, | |
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164 and <version> should be the string "HTTP/1.0" or "HTTP/1.1". |
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165 <path> is encoded using the URL encoding scheme (using %xx to signify |
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166 the ASCII character with hex code xx). |
| 2887 | 167 |
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168 The specification specifies that lines are separated by CRLF but |
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169 for compatibility with the widest range of clients recommends |
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170 servers also handle LF. Similarly, whitespace in the request line |
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171 is treated sensibly (allowing multiple spaces between components |
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172 and allowing trailing whitespace). |
| 2887 | 173 |
| 174 Similarly, for output, lines ought to be separated by CRLF pairs | |
| 175 but most clients grok LF characters just fine. | |
| 176 | |
| 177 If the first line of the request has the form | |
| 178 | |
| 179 <command> <path> | |
| 180 | |
| 181 (i.e. <version> is left out) then this is assumed to be an HTTP | |
| 182 0.9 request; this form has no optional headers and data part and | |
| 183 the reply consists of just the data. | |
| 184 | |
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185 The reply form of the HTTP 1.x protocol again has three parts: |
| 2887 | 186 |
| 187 1. One line giving the response code | |
| 188 2. An optional set of RFC-822-style headers | |
| 189 3. The data | |
| 190 | |
| 191 Again, the headers and data are separated by a blank line. | |
| 192 | |
| 193 The response code line has the form | |
| 194 | |
| 195 <version> <responsecode> <responsestring> | |
| 196 | |
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197 where <version> is the protocol version ("HTTP/1.0" or "HTTP/1.1"), |
| 2887 | 198 <responsecode> is a 3-digit response code indicating success or |
| 199 failure of the request, and <responsestring> is an optional | |
| 200 human-readable string explaining what the response code means. | |
| 201 | |
| 202 This server parses the request and the headers, and then calls a | |
| 203 function specific to the request type (<command>). Specifically, | |
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204 a request SPAM will be handled by a method do_SPAM(). If no |
| 2887 | 205 such method exists the server sends an error response to the |
| 206 client. If it exists, it is called with no arguments: | |
| 207 | |
| 208 do_SPAM() | |
| 209 | |
| 210 Note that the request name is case sensitive (i.e. SPAM and spam | |
| 211 are different requests). | |
| 212 | |
| 213 The various request details are stored in instance variables: | |
| 214 | |
| 215 - client_address is the client IP address in the form (host, | |
| 216 port); | |
| 217 | |
| 218 - command, path and version are the broken-down request line; | |
| 219 | |
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220 - headers is an instance of email.message.Message (or a derived |
| 2887 | 221 class) containing the header information; |
| 222 | |
| 223 - rfile is a file object open for reading positioned at the | |
| 224 start of the optional input data part; | |
| 225 | |
| 226 - wfile is a file object open for writing. | |
| 227 | |
| 228 IT IS IMPORTANT TO ADHERE TO THE PROTOCOL FOR WRITING! | |
| 229 | |
| 230 The first thing to be written must be the response line. Then | |
| 231 follow 0 or more header lines, then a blank line, and then the | |
| 232 actual data (if any). The meaning of the header lines depends on | |
| 233 the command executed by the server; in most cases, when data is | |
| 234 returned, there should be at least one header line of the form | |
| 235 | |
| 236 Content-type: <type>/<subtype> | |
| 237 | |
| 238 where <type> and <subtype> should be registered MIME types, | |
| 239 e.g. "text/html" or "text/plain". | |
| 240 | |
| 241 """ | |
| 242 | |
| 243 # The Python system version, truncated to its first component. | |
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244 sys_version = "Python/" + sys.version.split()[0] |
| 2887 | 245 |
| 246 # The server software version. You may want to override this. | |
| 247 # The format is multiple whitespace-separated strings, | |
| 248 # where each string is of the form name[/version]. | |
| 249 server_version = "BaseHTTP/" + __version__ | |
| 250 | |
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251 error_message_format = DEFAULT_ERROR_MESSAGE |
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252 error_content_type = DEFAULT_ERROR_CONTENT_TYPE |
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253 |
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254 # The default request version. This only affects responses up until |
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255 # the point where the request line is parsed, so it mainly decides what |
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256 # the client gets back when sending a malformed request line. |
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257 # Most web servers default to HTTP 0.9, i.e. don't send a status line. |
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258 default_request_version = "HTTP/0.9" |
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259 |
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260 def parse_request(self): |
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261 """Parse a request (internal). |
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263 The request should be stored in self.raw_requestline; the results |
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264 are in self.command, self.path, self.request_version and |
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265 self.headers. |
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266 |
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267 Return True for success, False for failure; on failure, an |
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268 error is sent back. |
| 2887 | 269 |
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270 """ |
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271 self.command = None # set in case of error on the first line |
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272 self.request_version = version = self.default_request_version |
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273 self.close_connection = 1 |
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274 requestline = str(self.raw_requestline, 'iso-8859-1') |
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275 if requestline[-2:] == '\r\n': |
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276 requestline = requestline[:-2] |
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277 elif requestline[-1:] == '\n': |
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278 requestline = requestline[:-1] |
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279 self.requestline = requestline |
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280 words = requestline.split() |
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281 if len(words) == 3: |
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282 [command, path, version] = words |
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283 if version[:5] != 'HTTP/': |
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284 self.send_error(400, "Bad request version (%r)" % version) |
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285 return False |
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286 try: |
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287 base_version_number = version.split('/', 1)[1] |
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288 version_number = base_version_number.split(".") |
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289 # RFC 2145 section 3.1 says there can be only one "." and |
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290 # - major and minor numbers MUST be treated as |
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291 # separate integers; |
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292 # - HTTP/2.4 is a lower version than HTTP/2.13, which in |
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293 # turn is lower than HTTP/12.3; |
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294 # - Leading zeros MUST be ignored by recipients. |
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295 if len(version_number) != 2: |
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296 raise ValueError |
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297 version_number = int(version_number[0]), int(version_number[1]) |
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298 except (ValueError, IndexError): |
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299 self.send_error(400, "Bad request version (%r)" % version) |
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300 return False |
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301 if version_number >= (1, 1) and self.protocol_version >= "HTTP/1.1": |
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302 self.close_connection = 0 |
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303 if version_number >= (2, 0): |
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304 self.send_error(505, |
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305 "Invalid HTTP Version (%s)" % base_version_number) |
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306 return False |
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307 elif len(words) == 2: |
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308 [command, path] = words |
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309 self.close_connection = 1 |
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310 if command != 'GET': |
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311 self.send_error(400, |
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312 "Bad HTTP/0.9 request type (%r)" % command) |
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313 return False |
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314 elif not words: |
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315 return False |
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316 else: |
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317 self.send_error(400, "Bad request syntax (%r)" % requestline) |
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318 return False |
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319 self.command, self.path, self.request_version = command, path, version |
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320 |
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321 # Examine the headers and look for a Connection directive. |
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322 try: |
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323 self.headers = http.client.parse_headers(self.rfile, |
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324 _class=self.MessageClass) |
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325 except http.client.LineTooLong: |
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326 self.send_error(400, "Line too long") |
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327 return False |
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328 |
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329 conntype = self.headers.get('Connection', "") |
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330 if conntype.lower() == 'close': |
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331 self.close_connection = 1 |
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332 elif (conntype.lower() == 'keep-alive' and |
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333 self.protocol_version >= "HTTP/1.1"): |
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334 self.close_connection = 0 |
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335 # Examine the headers and look for an Expect directive |
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336 expect = self.headers.get('Expect', "") |
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337 if (expect.lower() == "100-continue" and |
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338 self.protocol_version >= "HTTP/1.1" and |
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339 self.request_version >= "HTTP/1.1"): |
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340 if not self.handle_expect_100(): |
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341 return False |
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342 return True |
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343 |
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344 def handle_expect_100(self): |
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345 """Decide what to do with an "Expect: 100-continue" header. |
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346 |
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347 If the client is expecting a 100 Continue response, we must |
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348 respond with either a 100 Continue or a final response before |
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349 waiting for the request body. The default is to always respond |
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350 with a 100 Continue. You can behave differently (for example, |
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351 reject unauthorized requests) by overriding this method. |
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352 |
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353 This method should either return True (possibly after sending |
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354 a 100 Continue response) or send an error response and return |
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355 False. |
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356 |
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357 """ |
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358 self.send_response_only(100) |
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359 self.flush_headers() |
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360 return True |
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361 |
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362 def handle_one_request(self): |
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363 """Handle a single HTTP request. |
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364 |
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365 You normally don't need to override this method; see the class |
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366 __doc__ string for information on how to handle specific HTTP |
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367 commands such as GET and POST. |
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368 |
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369 """ |
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370 try: |
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371 self.raw_requestline = self.rfile.readline(65537) |
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372 if len(self.raw_requestline) > 65536: |
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373 self.requestline = '' |
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374 self.request_version = '' |
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375 self.command = '' |
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376 self.send_error(414) |
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377 return |
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378 if not self.raw_requestline: |
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379 self.close_connection = 1 |
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380 return |
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381 if not self.parse_request(): |
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382 # An error code has been sent, just exit |
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383 return |
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384 mname = 'do_' + self.command |
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385 if not hasattr(self, mname): |
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386 self.send_error(501, "Unsupported method (%r)" % self.command) |
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387 return |
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388 method = getattr(self, mname) |
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389 method() |
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390 self.wfile.flush() #actually send the response if not already done. |
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391 except socket.timeout as e: |
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392 #a read or a write timed out. Discard this connection |
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393 self.log_error("Request timed out: %r", e) |
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394 self.close_connection = 1 |
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395 return |
| 2887 | 396 |
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397 def handle(self): |
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398 """Handle multiple requests if necessary.""" |
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399 self.close_connection = 1 |
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400 |
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401 self.handle_one_request() |
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402 while not self.close_connection: |
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403 self.handle_one_request() |
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404 |
| 2887 | 405 def send_error(self, code, message=None): |
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406 """Send and log an error reply. |
| 2887 | 407 |
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408 Arguments are the error code, and a detailed message. |
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409 The detailed message defaults to the short entry matching the |
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410 response code. |
| 2887 | 411 |
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412 This sends an error response (so it must be called before any |
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413 output has been generated), logs the error, and finally sends |
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414 a piece of HTML explaining the error to the user. |
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416 """ |
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418 try: |
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419 shortmsg, longmsg = self.responses[code] |
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420 except KeyError: |
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421 shortmsg, longmsg = '???', '???' |
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422 if message is None: |
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423 message = shortmsg |
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424 explain = longmsg |
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425 self.log_error("code %d, message %s", code, message) |
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426 # using _quote_html to prevent Cross Site Scripting attacks (see bug #1100201) |
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427 content = (self.error_message_format % |
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428 {'code': code, 'message': _quote_html(message), 'explain': explain}) |
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429 self.send_response(code, message) |
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430 self.send_header("Content-Type", self.error_content_type) |
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431 self.send_header('Connection', 'close') |
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432 self.end_headers() |
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433 if self.command != 'HEAD' and code >= 200 and code not in (204, 304): |
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434 self.wfile.write(content.encode('UTF-8', 'replace')) |
| 2887 | 435 |
| 436 def send_response(self, code, message=None): | |
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437 """Add the response header to the headers buffer and log the |
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438 response code. |
| 2887 | 439 |
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440 Also send two standard headers with the server software |
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441 version and the current date. |
| 2887 | 442 |
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443 """ |
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444 self.log_request(code) |
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445 self.send_response_only(code, message) |
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446 self.send_header('Server', self.version_string()) |
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447 self.send_header('Date', self.date_time_string()) |
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448 |
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449 def send_response_only(self, code, message=None): |
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450 """Send the response header only.""" |
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451 if message is None: |
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452 if code in self.responses: |
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453 message = self.responses[code][0] |
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454 else: |
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455 message = '' |
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456 if self.request_version != 'HTTP/0.9': |
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457 if not hasattr(self, '_headers_buffer'): |
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458 self._headers_buffer = [] |
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459 self._headers_buffer.append(("%s %d %s\r\n" % |
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460 (self.protocol_version, code, message)).encode( |
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461 'latin-1', 'strict')) |
| 2887 | 462 |
| 463 def send_header(self, keyword, value): | |
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464 """Send a MIME header to the headers buffer.""" |
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465 if self.request_version != 'HTTP/0.9': |
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466 if not hasattr(self, '_headers_buffer'): |
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467 self._headers_buffer = [] |
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468 self._headers_buffer.append( |
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469 ("%s: %s\r\n" % (keyword, value)).encode('latin-1', 'strict')) |
| 2887 | 470 |
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471 if keyword.lower() == 'connection': |
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472 if value.lower() == 'close': |
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473 self.close_connection = 1 |
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474 elif value.lower() == 'keep-alive': |
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475 self.close_connection = 0 |
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476 |
| 2887 | 477 def end_headers(self): |
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478 """Send the blank line ending the MIME headers.""" |
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479 if self.request_version != 'HTTP/0.9': |
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480 self._headers_buffer.append(b"\r\n") |
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481 self.flush_headers() |
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482 |
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483 def flush_headers(self): |
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484 if hasattr(self, '_headers_buffer'): |
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485 self.wfile.write(b"".join(self._headers_buffer)) |
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486 self._headers_buffer = [] |
| 2887 | 487 |
| 488 def log_request(self, code='-', size='-'): | |
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489 """Log an accepted request. |
| 2887 | 490 |
| 36879 | 491 This is called by send_response(). |
| 2887 | 492 |
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493 """ |
| 2887 | 494 |
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495 self.log_message('"%s" %s %s', |
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496 self.requestline, str(code), str(size)) |
| 2887 | 497 |
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498 def log_error(self, format, *args): |
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499 """Log an error. |
| 2887 | 500 |
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501 This is called when a request cannot be fulfilled. By |
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502 default it passes the message on to log_message(). |
| 2887 | 503 |
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504 Arguments are the same as for log_message(). |
| 2887 | 505 |
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506 XXX This should go to the separate error log. |
| 2887 | 507 |
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508 """ |
| 2887 | 509 |
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510 self.log_message(format, *args) |
| 2887 | 511 |
| 512 def log_message(self, format, *args): | |
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513 """Log an arbitrary message. |
| 2887 | 514 |
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515 This is used by all other logging functions. Override |
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516 it if you have specific logging wishes. |
| 2887 | 517 |
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518 The first argument, FORMAT, is a format string for the |
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519 message to be logged. If the format string contains |
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520 any % escapes requiring parameters, they should be |
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521 specified as subsequent arguments (it's just like |
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522 printf!). |
| 2887 | 523 |
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524 The client host and current date/time are prefixed to |
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525 every message. |
| 2887 | 526 |
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527 """ |
| 2887 | 528 |
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529 sys.stderr.write("%s - - [%s] %s\n" % |
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530 (self.address_string(), |
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531 self.log_date_time_string(), |
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532 format%args)) |
| 2887 | 533 |
| 534 def version_string(self): | |
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535 """Return the server software version string.""" |
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536 return self.server_version + ' ' + self.sys_version |
| 2887 | 537 |
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538 def date_time_string(self, timestamp=None): |
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539 """Return the current date and time formatted for a message header.""" |
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540 if timestamp is None: |
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541 timestamp = time.time() |
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542 year, month, day, hh, mm, ss, wd, y, z = time.gmtime(timestamp) |
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543 s = "%s, %02d %3s %4d %02d:%02d:%02d GMT" % ( |
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544 self.weekdayname[wd], |
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545 day, self.monthname[month], year, |
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546 hh, mm, ss) |
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547 return s |
| 2887 | 548 |
| 549 def log_date_time_string(self): | |
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550 """Return the current time formatted for logging.""" |
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551 now = time.time() |
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552 year, month, day, hh, mm, ss, x, y, z = time.localtime(now) |
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553 s = "%02d/%3s/%04d %02d:%02d:%02d" % ( |
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554 day, self.monthname[month], year, hh, mm, ss) |
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555 return s |
| 2887 | 556 |
| 557 weekdayname = ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'] | |
| 558 | |
| 559 monthname = [None, | |
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560 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', |
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561 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'] |
| 2887 | 562 |
| 563 def address_string(self): | |
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564 """Return the client address formatted for logging. |
| 2887 | 565 |
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566 This version looks up the full hostname using gethostbyaddr(), |
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567 and tries to find a name that contains at least one dot. |
| 2887 | 568 |
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569 """ |
| 2887 | 570 |
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571 host, port = self.client_address[:2] |
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572 return socket.getfqdn(host) |
| 2887 | 573 |
| 574 # Essentially static class variables | |
| 575 | |
| 576 # The version of the HTTP protocol we support. | |
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577 # Set this to HTTP/1.1 to enable automatic keepalive |
| 2887 | 578 protocol_version = "HTTP/1.0" |
| 579 | |
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580 # MessageClass used to parse headers |
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581 MessageClass = http.client.HTTPMessage |
| 2887 | 582 |
| 583 # Table mapping response codes to messages; entries have the | |
| 584 # form {code: (shortmessage, longmessage)}. | |
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585 # See RFC 2616. |
| 2887 | 586 responses = { |
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587 100: ('Continue', 'Request received, please continue'), |
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588 101: ('Switching Protocols', |
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589 'Switching to new protocol; obey Upgrade header'), |
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590 |
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591 200: ('OK', 'Request fulfilled, document follows'), |
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592 201: ('Created', 'Document created, URL follows'), |
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593 202: ('Accepted', |
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594 'Request accepted, processing continues off-line'), |
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595 203: ('Non-Authoritative Information', 'Request fulfilled from cache'), |
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596 204: ('No Content', 'Request fulfilled, nothing follows'), |
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597 205: ('Reset Content', 'Clear input form for further input.'), |
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598 206: ('Partial Content', 'Partial content follows.'), |
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599 |
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600 300: ('Multiple Choices', |
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601 'Object has several resources -- see URI list'), |
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602 301: ('Moved Permanently', 'Object moved permanently -- see URI list'), |
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603 302: ('Found', 'Object moved temporarily -- see URI list'), |
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604 303: ('See Other', 'Object moved -- see Method and URL list'), |
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605 304: ('Not Modified', |
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606 'Document has not changed since given time'), |
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607 305: ('Use Proxy', |
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608 'You must use proxy specified in Location to access this ' |
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609 'resource.'), |
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610 307: ('Temporary Redirect', |
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611 'Object moved temporarily -- see URI list'), |
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612 |
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613 400: ('Bad Request', |
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614 'Bad request syntax or unsupported method'), |
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615 401: ('Unauthorized', |
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616 'No permission -- see authorization schemes'), |
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617 402: ('Payment Required', |
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618 'No payment -- see charging schemes'), |
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619 403: ('Forbidden', |
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620 'Request forbidden -- authorization will not help'), |
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621 404: ('Not Found', 'Nothing matches the given URI'), |
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622 405: ('Method Not Allowed', |
|
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Merged revisions 78301 via svnmerge from
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623 'Specified method is invalid for this resource.'), |
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624 406: ('Not Acceptable', 'URI not available in preferred format.'), |
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625 407: ('Proxy Authentication Required', 'You must authenticate with ' |
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626 'this proxy before proceeding.'), |
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627 408: ('Request Timeout', 'Request timed out; try again later.'), |
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628 409: ('Conflict', 'Request conflict.'), |
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629 410: ('Gone', |
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630 'URI no longer exists and has been permanently removed.'), |
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631 411: ('Length Required', 'Client must specify Content-Length.'), |
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632 412: ('Precondition Failed', 'Precondition in headers is false.'), |
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633 413: ('Request Entity Too Large', 'Entity is too large.'), |
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634 414: ('Request-URI Too Long', 'URI is too long.'), |
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635 415: ('Unsupported Media Type', 'Entity body in unsupported format.'), |
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636 416: ('Requested Range Not Satisfiable', |
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637 'Cannot satisfy request range.'), |
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638 417: ('Expectation Failed', |
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639 'Expect condition could not be satisfied.'), |
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640 |
|
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641 500: ('Internal Server Error', 'Server got itself in trouble'), |
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642 501: ('Not Implemented', |
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643 'Server does not support this operation'), |
|
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644 502: ('Bad Gateway', 'Invalid responses from another server/proxy.'), |
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645 503: ('Service Unavailable', |
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646 'The server cannot process the request due to a high load'), |
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647 504: ('Gateway Timeout', |
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648 'The gateway server did not receive a timely response'), |
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649 505: ('HTTP Version Not Supported', 'Cannot fulfill request.'), |
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650 } |
| 2887 | 651 |
| 652 | |
|
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653 class SimpleHTTPRequestHandler(BaseHTTPRequestHandler): |
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654 |
|
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|
655 """Simple HTTP request handler with GET and HEAD commands. |
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656 |
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657 This serves files from the current directory and any of its |
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658 subdirectories. The MIME type for files is determined by |
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659 calling the .guess_type() method. |
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660 |
|
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661 The GET and HEAD requests are identical except that the HEAD |
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662 request omits the actual contents of the file. |
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663 |
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664 """ |
|
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665 |
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666 server_version = "SimpleHTTP/" + __version__ |
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667 |
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668 def do_GET(self): |
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669 """Serve a GET request.""" |
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670 f = self.send_head() |
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671 if f: |
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672 self.copyfile(f, self.wfile) |
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673 f.close() |
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674 |
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675 def do_HEAD(self): |
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676 """Serve a HEAD request.""" |
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677 f = self.send_head() |
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678 if f: |
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|
679 f.close() |
|
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680 |
|
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681 def send_head(self): |
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682 """Common code for GET and HEAD commands. |
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683 |
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684 This sends the response code and MIME headers. |
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685 |
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686 Return value is either a file object (which has to be copied |
|
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687 to the outputfile by the caller unless the command was HEAD, |
|
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688 and must be closed by the caller under all circumstances), or |
|
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689 None, in which case the caller has nothing further to do. |
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690 |
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|
691 """ |
|
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692 path = self.translate_path(self.path) |
|
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693 f = None |
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694 if os.path.isdir(path): |
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695 if not self.path.endswith('/'): |
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696 # redirect browser - doing basically what apache does |
|
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697 self.send_response(301) |
|
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698 self.send_header("Location", self.path + "/") |
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699 self.end_headers() |
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700 return None |
|
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701 for index in "index.html", "index.htm": |
|
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702 index = os.path.join(path, index) |
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703 if os.path.exists(index): |
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|
704 path = index |
|
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|
705 break |
|
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|
706 else: |
|
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|
707 return self.list_directory(path) |
|
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|
708 ctype = self.guess_type(path) |
|
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|
709 try: |
|
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|
710 f = open(path, 'rb') |
|
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|
711 except IOError: |
|
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|
712 self.send_error(404, "File not found") |
|
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|
713 return None |
|
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|
714 self.send_response(200) |
|
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|
715 self.send_header("Content-type", ctype) |
|
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|
716 fs = os.fstat(f.fileno()) |
|
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|
717 self.send_header("Content-Length", str(fs[6])) |
|
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|
718 self.send_header("Last-Modified", self.date_time_string(fs.st_mtime)) |
|
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|
719 self.end_headers() |
|
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|
720 return f |
|
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|
721 |
|
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|
722 def list_directory(self, path): |
|
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|
723 """Helper to produce a directory listing (absent index.html). |
|
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|
724 |
|
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|
725 Return value is either a file object, or None (indicating an |
|
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|
726 error). In either case, the headers are sent, making the |
|
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|
727 interface the same as for send_head(). |
|
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|
728 |
|
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|
729 """ |
|
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changeset
|
730 try: |
|
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|
731 list = os.listdir(path) |
|
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diff
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|
732 except os.error: |
|
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|
733 self.send_error(404, "No permission to list directory") |
|
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diff
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|
734 return None |
|
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|
735 list.sort(key=lambda a: a.lower()) |
|
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|
736 r = [] |
|
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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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|
737 displaypath = html.escape(urllib.parse.unquote(self.path)) |
|
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diff
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|
738 enc = sys.getfilesystemencoding() |
|
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diff
changeset
|
739 title = 'Directory listing for %s' % displaypath |
|
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|
740 r.append('<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" ' |
|
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diff
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|
741 '"http://www.w3.org/TR/html4/strict.dtd">') |
|
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diff
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|
742 r.append('<html>\n<head>') |
|
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diff
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|
743 r.append('<meta http-equiv="Content-Type" ' |
|
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|
744 'content="text/html; charset=%s">' % enc) |
|
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diff
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|
745 r.append('<title>%s</title>\n</head>' % title) |
|
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|
746 r.append('<body>\n<h1>%s</h1>' % title) |
|
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|
747 r.append('<hr>\n<ul>') |
|
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|
748 for name in list: |
|
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changeset
|
749 fullname = os.path.join(path, name) |
|
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|
750 displayname = linkname = name |
|
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|
751 # Append / for directories or @ for symbolic links |
|
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|
752 if os.path.isdir(fullname): |
|
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|
753 displayname = name + "/" |
|
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changeset
|
754 linkname = name + "/" |
|
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|
755 if os.path.islink(fullname): |
|
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diff
changeset
|
756 displayname = name + "@" |
|
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|
757 # Note: a link to a directory displays with @ and links with / |
|
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#13295: http.server now produces valid HTML 4.01 strict.
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diff
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|
758 r.append('<li><a href="%s">%s</a></li>' |
|
65362
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Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
759 % (urllib.parse.quote(linkname), html.escape(displayname))) |
|
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diff
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|
760 r.append('</ul>\n<hr>\n</body>\n</html>\n') |
|
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|
761 encoded = '\n'.join(r).encode(enc) |
|
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|
762 f = io.BytesIO() |
|
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changeset
|
763 f.write(encoded) |
|
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764 f.seek(0) |
|
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765 self.send_response(200) |
|
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766 self.send_header("Content-type", "text/html; charset=%s" % enc) |
|
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767 self.send_header("Content-Length", str(len(encoded))) |
|
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768 self.end_headers() |
|
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|
769 return f |
|
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|
770 |
|
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|
771 def translate_path(self, path): |
|
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772 """Translate a /-separated PATH to the local filename syntax. |
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|
773 |
|
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|
774 Components that mean special things to the local file system |
|
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775 (e.g. drive or directory names) are ignored. (XXX They should |
|
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776 probably be diagnosed.) |
|
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|
777 |
|
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|
778 """ |
|
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|
779 # abandon query parameters |
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780 path = path.split('?',1)[0] |
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781 path = path.split('#',1)[0] |
|
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782 path = posixpath.normpath(urllib.parse.unquote(path)) |
|
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783 words = path.split('/') |
|
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784 words = filter(None, words) |
|
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785 path = os.getcwd() |
|
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786 for word in words: |
|
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|
787 drive, word = os.path.splitdrive(word) |
|
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788 head, word = os.path.split(word) |
|
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789 if word in (os.curdir, os.pardir): continue |
|
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790 path = os.path.join(path, word) |
|
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|
791 return path |
|
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|
792 |
|
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793 def copyfile(self, source, outputfile): |
|
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|
794 """Copy all data between two file objects. |
|
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|
795 |
|
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|
796 The SOURCE argument is a file object open for reading |
|
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797 (or anything with a read() method) and the DESTINATION |
|
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798 argument is a file object open for writing (or |
|
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|
799 anything with a write() method). |
|
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|
800 |
|
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|
801 The only reason for overriding this would be to change |
|
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|
802 the block size or perhaps to replace newlines by CRLF |
|
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803 -- note however that this the default server uses this |
|
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804 to copy binary data as well. |
|
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|
805 |
|
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|
806 """ |
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807 shutil.copyfileobj(source, outputfile) |
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808 |
|
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809 def guess_type(self, path): |
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810 """Guess the type of a file. |
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|
811 |
|
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812 Argument is a PATH (a filename). |
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|
813 |
|
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814 Return value is a string of the form type/subtype, |
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|
815 usable for a MIME Content-type header. |
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816 |
|
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817 The default implementation looks the file's extension |
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818 up in the table self.extensions_map, using application/octet-stream |
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819 as a default; however it would be permissible (if |
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820 slow) to look inside the data to make a better guess. |
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|
821 |
|
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822 """ |
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|
823 |
|
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824 base, ext = posixpath.splitext(path) |
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825 if ext in self.extensions_map: |
|
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|
826 return self.extensions_map[ext] |
|
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827 ext = ext.lower() |
|
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828 if ext in self.extensions_map: |
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|
829 return self.extensions_map[ext] |
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830 else: |
|
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|
831 return self.extensions_map[''] |
|
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|
832 |
|
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|
833 if not mimetypes.inited: |
|
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|
834 mimetypes.init() # try to read system mime.types |
|
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835 extensions_map = mimetypes.types_map.copy() |
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836 extensions_map.update({ |
|
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|
837 '': 'application/octet-stream', # Default |
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|
838 '.py': 'text/plain', |
|
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|
839 '.c': 'text/plain', |
|
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|
840 '.h': 'text/plain', |
|
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|
841 }) |
|
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|
842 |
|
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|
843 |
|
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|
844 # Utilities for CGIHTTPRequestHandler |
|
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|
845 |
|
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846 # TODO(gregory.p.smith): Move this into an appropriate library. |
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847 def _url_collapse_path_split(path): |
|
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848 """ |
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|
849 Given a URL path, remove extra '/'s and '.' path elements and collapse |
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|
850 any '..' references. |
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|
851 |
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852 Implements something akin to RFC-2396 5.2 step 6 to parse relative paths. |
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|
853 |
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854 Returns: A tuple of (head, tail) where tail is everything after the final / |
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|
855 and head is everything before it. Head will always start with a '/' and, |
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856 if it contains anything else, never have a trailing '/'. |
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|
857 |
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858 Raises: IndexError if too many '..' occur within the path. |
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859 """ |
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860 # Similar to os.path.split(os.path.normpath(path)) but specific to URL |
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861 # path semantics rather than local operating system semantics. |
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862 path_parts = [] |
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863 for part in path.split('/'): |
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864 if part == '.': |
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865 path_parts.append('') |
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866 else: |
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867 path_parts.append(part) |
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868 # Filter out blank non trailing parts before consuming the '..'. |
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869 path_parts = [part for part in path_parts[:-1] if part] + path_parts[-1:] |
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870 if path_parts: |
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871 tail_part = path_parts.pop() |
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872 else: |
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873 tail_part = '' |
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874 head_parts = [] |
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875 for part in path_parts: |
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876 if part == '..': |
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877 head_parts.pop() |
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878 else: |
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879 head_parts.append(part) |
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880 if tail_part and tail_part == '..': |
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881 head_parts.pop() |
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882 tail_part = '' |
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883 return ('/' + '/'.join(head_parts), tail_part) |
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884 |
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|
885 |
|
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|
886 nobody = None |
|
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|
887 |
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|
888 def nobody_uid(): |
|
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|
889 """Internal routine to get nobody's uid""" |
|
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|
890 global nobody |
|
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|
891 if nobody: |
|
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|
892 return nobody |
|
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|
893 try: |
|
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|
894 import pwd |
|
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895 except ImportError: |
|
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|
896 return -1 |
|
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|
897 try: |
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|
898 nobody = pwd.getpwnam('nobody')[2] |
|
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899 except KeyError: |
|
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#1513299: cleanup some map() uses where a comprehension works better.
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|
900 nobody = 1 + max(x[2] for x in pwd.getpwall()) |
|
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|
901 return nobody |
|
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|
902 |
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|
903 |
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|
904 def executable(path): |
|
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|
905 """Test for executable file.""" |
|
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906 return os.access(path, os.X_OK) |
|
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907 |
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908 |
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|
909 class CGIHTTPRequestHandler(SimpleHTTPRequestHandler): |
|
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910 |
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911 """Complete HTTP server with GET, HEAD and POST commands. |
|
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912 |
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913 GET and HEAD also support running CGI scripts. |
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914 |
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915 The POST command is *only* implemented for CGI scripts. |
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916 |
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917 """ |
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918 |
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919 # Determine platform specifics |
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920 have_fork = hasattr(os, 'fork') |
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921 |
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922 # Make rfile unbuffered -- we need to read one line and then pass |
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923 # the rest to a subprocess, so we can't use buffered input. |
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924 rbufsize = 0 |
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925 |
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926 def do_POST(self): |
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|
927 """Serve a POST request. |
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928 |
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929 This is only implemented for CGI scripts. |
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930 |
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931 """ |
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932 |
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933 if self.is_cgi(): |
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934 self.run_cgi() |
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935 else: |
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936 self.send_error(501, "Can only POST to CGI scripts") |
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937 |
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|
938 def send_head(self): |
|
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|
939 """Version of send_head that support CGI scripts""" |
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|
940 if self.is_cgi(): |
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|
941 return self.run_cgi() |
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942 else: |
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943 return SimpleHTTPRequestHandler.send_head(self) |
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|
944 |
|
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|
945 def is_cgi(self): |
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|
946 """Test whether self.path corresponds to a CGI script. |
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|
947 |
|
53073
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|
948 Returns True and updates the cgi_info attribute to the tuple |
|
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Merged revisions 71303 via svnmerge from
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|
949 (dir, rest) if self.path requires running a CGI script. |
|
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|
950 Returns False otherwise. |
|
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|
951 |
| 53921 | 952 If any exception is raised, the caller should assume that |
| 953 self.path was rejected as invalid and act accordingly. | |
| 954 | |
|
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|
955 The default implementation tests whether the normalized url |
|
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|
956 path begins with one of the strings in self.cgi_directories |
|
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|
957 (and the next character is a '/' or the end of the string). |
|
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958 |
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959 """ |
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|
960 |
|
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|
961 splitpath = _url_collapse_path_split(self.path) |
|
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|
962 if splitpath[0] in self.cgi_directories: |
|
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|
963 self.cgi_info = splitpath |
|
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|
964 return True |
|
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|
965 return False |
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|
966 |
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|
967 cgi_directories = ['/cgi-bin', '/htbin'] |
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968 |
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969 def is_executable(self, path): |
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970 """Test whether argument path is an executable file.""" |
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971 return executable(path) |
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972 |
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|
973 def is_python(self, path): |
|
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|
974 """Test whether argument path is a Python script.""" |
|
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|
975 head, tail = os.path.splitext(path) |
|
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976 return tail.lower() in (".py", ".pyw") |
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|
977 |
|
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978 def run_cgi(self): |
|
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979 """Execute a CGI script.""" |
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980 path = self.path |
|
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981 dir, rest = self.cgi_info |
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982 |
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983 i = path.find('/', len(dir) + 1) |
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984 while i >= 0: |
|
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985 nextdir = path[:i] |
|
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986 nextrest = path[i+1:] |
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987 |
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988 scriptdir = self.translate_path(nextdir) |
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989 if os.path.isdir(scriptdir): |
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990 dir, rest = nextdir, nextrest |
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991 i = path.find('/', len(dir) + 1) |
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992 else: |
|
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993 break |
|
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|
994 |
|
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|
995 # find an explicit query string, if present. |
|
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996 i = rest.rfind('?') |
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997 if i >= 0: |
|
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998 rest, query = rest[:i], rest[i+1:] |
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999 else: |
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1000 query = '' |
|
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|
1001 |
|
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|
1002 # dissect the part after the directory name into a script name & |
|
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|
1003 # a possible additional path, to be stored in PATH_INFO. |
|
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|
1004 i = rest.find('/') |
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1005 if i >= 0: |
|
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|
1006 script, rest = rest[:i], rest[i:] |
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|
1007 else: |
|
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|
1008 script, rest = rest, '' |
|
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|
1009 |
|
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|
1010 scriptname = dir + '/' + script |
|
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|
1011 scriptfile = self.translate_path(scriptname) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1012 if not os.path.exists(scriptfile): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1013 self.send_error(404, "No such CGI script (%r)" % scriptname) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1014 return |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1015 if not os.path.isfile(scriptfile): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1016 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
|
1017 scriptname) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1018 return |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1019 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
|
1020 if self.have_fork or not ispy: |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1021 if not self.is_executable(scriptfile): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1022 self.send_error(403, "CGI script is not executable (%r)" % |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1023 scriptname) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1024 return |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1025 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1026 # Reference: http://hoohoo.ncsa.uiuc.edu/cgi/env.html |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1027 # 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
|
1028 env = copy.deepcopy(os.environ) |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1029 env['SERVER_SOFTWARE'] = self.version_string() |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1030 env['SERVER_NAME'] = self.server.server_name |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1031 env['GATEWAY_INTERFACE'] = 'CGI/1.1' |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1032 env['SERVER_PROTOCOL'] = self.protocol_version |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1033 env['SERVER_PORT'] = str(self.server.server_port) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1034 env['REQUEST_METHOD'] = self.command |
|
48334
5a416a6417d3
Make a new urllib package .
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
47657
diff
changeset
|
1035 uqrest = urllib.parse.unquote(rest) |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1036 env['PATH_INFO'] = uqrest |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1037 env['PATH_TRANSLATED'] = self.translate_path(uqrest) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1038 env['SCRIPT_NAME'] = scriptname |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1039 if query: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1040 env['QUERY_STRING'] = query |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1041 host = self.address_string() |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1042 if host != self.client_address[0]: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1043 env['REMOTE_HOST'] = host |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1044 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
|
1045 authorization = self.headers.get("authorization") |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1046 if authorization: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1047 authorization = authorization.split() |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1048 if len(authorization) == 2: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1049 import base64, binascii |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1050 env['AUTH_TYPE'] = authorization[0] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1051 if authorization[0].lower() == "basic": |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1052 try: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1053 authorization = authorization[1].encode('ascii') |
|
54568
031b963f2bc2
More codestring -> codebytes.
Georg Brandl <georg@python.org>
parents:
53921
diff
changeset
|
1054 authorization = base64.decodebytes(authorization).\ |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1055 decode('ascii') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1056 except (binascii.Error, UnicodeError): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1057 pass |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1058 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1059 authorization = authorization.split(':') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1060 if len(authorization) == 2: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1061 env['REMOTE_USER'] = authorization[0] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1062 # 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
|
1063 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
|
1064 env['CONTENT_TYPE'] = self.headers.get_content_type() |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1065 else: |
|
47635
f31e32a2013c
Patch for issue 2848, mostly by Humberto Diogenes, with a couple of
Barry Warsaw <barry@python.org>
parents:
47318
diff
changeset
|
1066 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
|
1067 length = self.headers.get('content-length') |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1068 if length: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1069 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
|
1070 referer = self.headers.get('referer') |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1071 if referer: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1072 env['HTTP_REFERER'] = referer |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1073 accept = [] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1074 for line in self.headers.getallmatchingheaders('accept'): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1075 if line[:1] in "\t\n\r ": |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1076 accept.append(line.strip()) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1077 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1078 accept = accept + line[7:].split(',') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1079 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
|
1080 ua = self.headers.get('user-agent') |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1081 if ua: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1082 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
|
1083 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
|
1084 cookie_str = ', '.join(co) |
|
93b3ae63d2f3
Merged revisions 83371,83390 via svnmerge from
Georg Brandl <georg@python.org>
parents:
58996
diff
changeset
|
1085 if cookie_str: |
|
93b3ae63d2f3
Merged revisions 83371,83390 via svnmerge from
Georg Brandl <georg@python.org>
parents:
58996
diff
changeset
|
1086 env['HTTP_COOKIE'] = cookie_str |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1087 # XXX Other HTTP_* headers |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1088 # 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
|
1089 # values to override previously set values |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1090 for k in ('QUERY_STRING', 'REMOTE_HOST', 'CONTENT_LENGTH', |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1091 'HTTP_USER_AGENT', 'HTTP_COOKIE', 'HTTP_REFERER'): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1092 env.setdefault(k, "") |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1093 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1094 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
changeset
|
1095 self.flush_headers() |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1096 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1097 decoded_query = query.replace('+', ' ') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1098 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1099 if self.have_fork: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1100 # Unix -- fork as we should |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1101 args = [script] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1102 if '=' not in decoded_query: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1103 args.append(decoded_query) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1104 nobody = nobody_uid() |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1105 self.wfile.flush() # Always flush before forking |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1106 pid = os.fork() |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1107 if pid != 0: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1108 # Parent |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1109 pid, sts = os.waitpid(pid, 0) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1110 # throw away additional data [see bug #427345] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1111 while select.select([self.rfile], [], [], 0)[0]: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1112 if not self.rfile.read(1): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1113 break |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1114 if sts: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1115 self.log_error("CGI script exit status %#x", sts) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1116 return |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1117 # Child |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1118 try: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1119 try: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1120 os.setuid(nobody) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1121 except os.error: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1122 pass |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1123 os.dup2(self.rfile.fileno(), 0) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1124 os.dup2(self.wfile.fileno(), 1) |
|
65076
945a55d4e73e
Merged revisions 85202 via svnmerge from
Senthil Kumaran <orsenthil@gmail.com>
parents:
63443
diff
changeset
|
1125 os.execve(scriptfile, args, env) |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1126 except: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1127 self.server.handle_error(self.request, self.client_address) |
|
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1128 os._exit(127) |
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1129 |
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1130 else: |
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1131 # Non-Unix -- use subprocess |
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1132 import subprocess |
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1133 cmdline = [scriptfile] |
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1134 if self.is_python(scriptfile): |
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1135 interp = sys.executable |
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1136 if interp.lower().endswith("w.exe"): |
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1137 # On Windows, use python.exe, not pythonw.exe |
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1138 interp = interp[:-5] + interp[-4:] |
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1139 cmdline = [interp, '-u'] + cmdline |
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1140 if '=' not in query: |
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1141 cmdline.append(query) |
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1142 self.log_message("command: %s", subprocess.list2cmdline(cmdline)) |
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1143 try: |
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1144 nbytes = int(length) |
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1145 except (TypeError, ValueError): |
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1146 nbytes = 0 |
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1147 p = subprocess.Popen(cmdline, |
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1148 stdin=subprocess.PIPE, |
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1149 stdout=subprocess.PIPE, |
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1150 stderr=subprocess.PIPE, |
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1151 env = env |
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1152 ) |
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1153 if self.command.lower() == "post" and nbytes > 0: |
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1154 data = self.rfile.read(nbytes) |
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1155 else: |
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1156 data = None |
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1157 # throw away additional data [see bug #427345] |
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1158 while select.select([self.rfile._sock], [], [], 0)[0]: |
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1159 if not self.rfile._sock.recv(1): |
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1160 break |
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1161 stdout, stderr = p.communicate(data) |
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1162 self.wfile.write(stdout) |
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1163 if stderr: |
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1164 self.log_error('%s', stderr) |
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1165 p.stderr.close() |
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1166 p.stdout.close() |
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1167 status = p.returncode |
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1168 if status: |
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1169 self.log_error("CGI script exit status %#x", status) |
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1170 else: |
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1171 self.log_message("CGI script exited OK") |
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1172 |
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1173 |
| 2887 | 1174 def test(HandlerClass = BaseHTTPRequestHandler, |
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1175 ServerClass = HTTPServer, protocol="HTTP/1.0"): |
| 2887 | 1176 """Test the HTTP request handler class. |
| 1177 | |
| 1178 This runs an HTTP server on port 8000 (or the first command line | |
| 1179 argument). | |
| 1180 | |
| 1181 """ | |
| 1182 | |
| 1183 if sys.argv[1:]: | |
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1184 port = int(sys.argv[1]) |
| 2887 | 1185 else: |
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1186 port = 8000 |
| 2887 | 1187 server_address = ('', port) |
| 1188 | |
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1189 HandlerClass.protocol_version = protocol |
| 2887 | 1190 httpd = ServerClass(server_address, HandlerClass) |
| 1191 | |
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1192 sa = httpd.socket.getsockname() |
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1193 print("Serving HTTP on", sa[0], "port", sa[1], "...") |
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1194 try: |
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1195 httpd.serve_forever() |
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1196 except KeyboardInterrupt: |
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1197 print("\nKeyboard interrupt received, exiting.") |
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1198 httpd.server_close() |
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1199 sys.exit(0) |
| 2887 | 1200 |
| 1201 if __name__ == '__main__': | |
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1202 test(HandlerClass=SimpleHTTPRequestHandler) |