Mercurial > cpython-lru_cache-weakref
annotate Lib/http/server.py @ 67467:abe201dfd3dc 3.1
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r87861 | antoine.pitrou | 2011-01-08 11:23:29 +0100 (sam., 08 janv. 2011) | 3 lines
Fix test_ssl after r87849
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r87863 | antoine.pitrou | 2011-01-08 11:28:11 +0100 (sam., 08 janv. 2011) | 3 lines
Add EHOSTUNREACH ('No route to host') to the errnos trapped by transient_internet().
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| author | Antoine Pitrou <solipsis@pitrou.net> |
|---|---|
| date | Sat, 08 Jan 2011 10:31:09 +0000 |
| parents | 3c182f71d4c9 |
| children | 2f222360a774 3c9232a684ae |
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1 """HTTP server classes. |
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2 |
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3 Note: BaseHTTPRequestHandler doesn't implement any HTTP request; see |
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4 SimpleHTTPRequestHandler for simple implementations of GET, HEAD and POST, |
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5 and CGIHTTPRequestHandler for CGI scripts. |
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6 |
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7 It does, however, optionally implement HTTP/1.1 persistent connections, |
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8 as of version 0.3. |
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9 |
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10 Notes on CGIHTTPRequestHandler |
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11 ------------------------------ |
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12 |
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13 This class implements GET and POST requests to cgi-bin scripts. |
| 2887 | 14 |
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15 If the os.fork() function is not present (e.g. on Windows), |
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16 subprocess.Popen() is used as a fallback, with slightly altered semantics. |
| 2887 | 17 |
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18 In all cases, the implementation is intentionally naive -- all |
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19 requests are executed synchronously. |
| 2887 | 20 |
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21 SECURITY WARNING: DON'T USE THIS CODE UNLESS YOU ARE INSIDE A FIREWALL |
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22 -- it may execute arbitrary Python code or external programs. |
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23 |
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24 Note that status code 200 is sent prior to execution of a CGI script, so |
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25 scripts cannot send other status codes such as 302 (redirect). |
| 2887 | 26 |
| 27 XXX To do: | |
| 28 | |
| 29 - log requests even later (to capture byte count) | |
| 30 - log user-agent header and other interesting goodies | |
| 31 - send error log to separate file | |
| 32 """ | |
| 33 | |
| 34 | |
| 35 # See also: | |
| 36 # | |
| 37 # HTTP Working Group T. Berners-Lee | |
| 38 # INTERNET-DRAFT R. T. Fielding | |
| 39 # <draft-ietf-http-v10-spec-00.txt> H. Frystyk Nielsen | |
| 40 # Expires September 8, 1995 March 8, 1995 | |
| 41 # | |
| 42 # URL: http://www.ics.uci.edu/pub/ietf/http/draft-ietf-http-v10-spec-00.txt | |
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43 # |
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44 # and |
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45 # |
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46 # Network Working Group R. Fielding |
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47 # Request for Comments: 2616 et al |
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48 # Obsoletes: 2068 June 1999 |
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49 # Category: Standards Track |
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50 # |
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51 # URL: http://www.faqs.org/rfcs/rfc2616.html |
| 2887 | 52 |
| 53 # Log files | |
| 54 # --------- | |
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55 # |
| 2887 | 56 # Here's a quote from the NCSA httpd docs about log file format. |
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57 # |
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58 # | The logfile format is as follows. Each line consists of: |
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59 # | |
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60 # | host rfc931 authuser [DD/Mon/YYYY:hh:mm:ss] "request" ddd bbbb |
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61 # | |
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62 # | host: Either the DNS name or the IP number of the remote client |
| 2887 | 63 # | rfc931: Any information returned by identd for this person, |
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64 # | - otherwise. |
| 2887 | 65 # | authuser: If user sent a userid for authentication, the user name, |
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66 # | - otherwise. |
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67 # | DD: Day |
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68 # | Mon: Month (calendar name) |
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69 # | YYYY: Year |
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70 # | hh: hour (24-hour format, the machine's timezone) |
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71 # | mm: minutes |
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72 # | ss: seconds |
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73 # | request: The first line of the HTTP request as sent by the client. |
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74 # | ddd: the status code returned by the server, - if not available. |
| 2887 | 75 # | bbbb: the total number of bytes sent, |
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76 # | *not including the HTTP/1.0 header*, - if not available |
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77 # | |
| 2887 | 78 # | You can determine the name of the file accessed through request. |
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79 # |
| 2887 | 80 # (Actually, the latter is only true if you know the server configuration |
| 81 # at the time the request was made!) | |
| 82 | |
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83 __version__ = "0.6" |
| 2887 | 84 |
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85 __all__ = ["HTTPServer", "BaseHTTPRequestHandler"] |
| 2887 | 86 |
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87 import cgi |
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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 = """\ |
| 106 <head> | |
| 107 <title>Error response</title> | |
| 108 </head> | |
| 109 <body> | |
| 110 <h1>Error response</h1> | |
| 111 <p>Error code %(code)d. | |
| 112 <p>Message: %(message)s. | |
| 113 <p>Error code explanation: %(code)s = %(explain)s. | |
| 114 </body> | |
| 115 """ | |
| 116 | |
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117 DEFAULT_ERROR_CONTENT_TYPE = "text/html;charset=utf-8" |
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118 |
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119 def _quote_html(html): |
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120 return html.replace("&", "&").replace("<", "<").replace(">", ">") |
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122 class HTTPServer(socketserver.TCPServer): |
| 2887 | 123 |
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124 allow_reuse_address = 1 # Seems to make sense in testing environment |
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125 |
| 2887 | 126 def server_bind(self): |
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127 """Override server_bind to store the server name.""" |
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128 socketserver.TCPServer.server_bind(self) |
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129 host, port = self.socket.getsockname()[:2] |
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130 self.server_name = socket.getfqdn(host) |
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131 self.server_port = port |
| 2887 | 132 |
| 133 | |
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134 class BaseHTTPRequestHandler(socketserver.StreamRequestHandler): |
| 2887 | 135 |
| 136 """HTTP request handler base class. | |
| 137 | |
| 138 The following explanation of HTTP serves to guide you through the | |
| 139 code as well as to expose any misunderstandings I may have about | |
| 140 HTTP (so you don't need to read the code to figure out I'm wrong | |
| 141 :-). | |
| 142 | |
| 143 HTTP (HyperText Transfer Protocol) is an extensible protocol on | |
| 144 top of a reliable stream transport (e.g. TCP/IP). The protocol | |
| 145 recognizes three parts to a request: | |
| 146 | |
| 147 1. One line identifying the request type and path | |
| 148 2. An optional set of RFC-822-style headers | |
| 149 3. An optional data part | |
| 150 | |
| 151 The headers and data are separated by a blank line. | |
| 152 | |
| 153 The first line of the request has the form | |
| 154 | |
| 155 <command> <path> <version> | |
| 156 | |
| 157 where <command> is a (case-sensitive) keyword such as GET or POST, | |
| 158 <path> is a string containing path information for the request, | |
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159 and <version> should be the string "HTTP/1.0" or "HTTP/1.1". |
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160 <path> is encoded using the URL encoding scheme (using %xx to signify |
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161 the ASCII character with hex code xx). |
| 2887 | 162 |
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163 The specification specifies that lines are separated by CRLF but |
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164 for compatibility with the widest range of clients recommends |
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165 servers also handle LF. Similarly, whitespace in the request line |
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166 is treated sensibly (allowing multiple spaces between components |
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167 and allowing trailing whitespace). |
| 2887 | 168 |
| 169 Similarly, for output, lines ought to be separated by CRLF pairs | |
| 170 but most clients grok LF characters just fine. | |
| 171 | |
| 172 If the first line of the request has the form | |
| 173 | |
| 174 <command> <path> | |
| 175 | |
| 176 (i.e. <version> is left out) then this is assumed to be an HTTP | |
| 177 0.9 request; this form has no optional headers and data part and | |
| 178 the reply consists of just the data. | |
| 179 | |
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180 The reply form of the HTTP 1.x protocol again has three parts: |
| 2887 | 181 |
| 182 1. One line giving the response code | |
| 183 2. An optional set of RFC-822-style headers | |
| 184 3. The data | |
| 185 | |
| 186 Again, the headers and data are separated by a blank line. | |
| 187 | |
| 188 The response code line has the form | |
| 189 | |
| 190 <version> <responsecode> <responsestring> | |
| 191 | |
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192 where <version> is the protocol version ("HTTP/1.0" or "HTTP/1.1"), |
| 2887 | 193 <responsecode> is a 3-digit response code indicating success or |
| 194 failure of the request, and <responsestring> is an optional | |
| 195 human-readable string explaining what the response code means. | |
| 196 | |
| 197 This server parses the request and the headers, and then calls a | |
| 198 function specific to the request type (<command>). Specifically, | |
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199 a request SPAM will be handled by a method do_SPAM(). If no |
| 2887 | 200 such method exists the server sends an error response to the |
| 201 client. If it exists, it is called with no arguments: | |
| 202 | |
| 203 do_SPAM() | |
| 204 | |
| 205 Note that the request name is case sensitive (i.e. SPAM and spam | |
| 206 are different requests). | |
| 207 | |
| 208 The various request details are stored in instance variables: | |
| 209 | |
| 210 - client_address is the client IP address in the form (host, | |
| 211 port); | |
| 212 | |
| 213 - command, path and version are the broken-down request line; | |
| 214 | |
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215 - headers is an instance of email.message.Message (or a derived |
| 2887 | 216 class) containing the header information; |
| 217 | |
| 218 - rfile is a file object open for reading positioned at the | |
| 219 start of the optional input data part; | |
| 220 | |
| 221 - wfile is a file object open for writing. | |
| 222 | |
| 223 IT IS IMPORTANT TO ADHERE TO THE PROTOCOL FOR WRITING! | |
| 224 | |
| 225 The first thing to be written must be the response line. Then | |
| 226 follow 0 or more header lines, then a blank line, and then the | |
| 227 actual data (if any). The meaning of the header lines depends on | |
| 228 the command executed by the server; in most cases, when data is | |
| 229 returned, there should be at least one header line of the form | |
| 230 | |
| 231 Content-type: <type>/<subtype> | |
| 232 | |
| 233 where <type> and <subtype> should be registered MIME types, | |
| 234 e.g. "text/html" or "text/plain". | |
| 235 | |
| 236 """ | |
| 237 | |
| 238 # The Python system version, truncated to its first component. | |
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239 sys_version = "Python/" + sys.version.split()[0] |
| 2887 | 240 |
| 241 # The server software version. You may want to override this. | |
| 242 # The format is multiple whitespace-separated strings, | |
| 243 # where each string is of the form name[/version]. | |
| 244 server_version = "BaseHTTP/" + __version__ | |
| 245 | |
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246 error_message_format = DEFAULT_ERROR_MESSAGE |
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247 error_content_type = DEFAULT_ERROR_CONTENT_TYPE |
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248 |
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249 # The default request version. This only affects responses up until |
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250 # the point where the request line is parsed, so it mainly decides what |
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251 # the client gets back when sending a malformed request line. |
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252 # Most web servers default to HTTP 0.9, i.e. don't send a status line. |
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253 default_request_version = "HTTP/0.9" |
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254 |
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255 def parse_request(self): |
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256 """Parse a request (internal). |
| 2887 | 257 |
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258 The request should be stored in self.raw_requestline; the results |
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259 are in self.command, self.path, self.request_version and |
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260 self.headers. |
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261 |
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262 Return True for success, False for failure; on failure, an |
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263 error is sent back. |
| 2887 | 264 |
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265 """ |
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266 self.command = None # set in case of error on the first line |
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267 self.request_version = version = self.default_request_version |
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268 self.close_connection = 1 |
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269 requestline = str(self.raw_requestline, 'iso-8859-1') |
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270 if requestline[-2:] == '\r\n': |
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271 requestline = requestline[:-2] |
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272 elif requestline[-1:] == '\n': |
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273 requestline = requestline[:-1] |
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274 self.requestline = requestline |
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275 words = requestline.split() |
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276 if len(words) == 3: |
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277 [command, path, version] = words |
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278 if version[:5] != 'HTTP/': |
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279 self.send_error(400, "Bad request version (%r)" % version) |
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280 return False |
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281 try: |
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282 base_version_number = version.split('/', 1)[1] |
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283 version_number = base_version_number.split(".") |
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284 # RFC 2145 section 3.1 says there can be only one "." and |
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285 # - major and minor numbers MUST be treated as |
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286 # separate integers; |
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287 # - HTTP/2.4 is a lower version than HTTP/2.13, which in |
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288 # turn is lower than HTTP/12.3; |
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289 # - Leading zeros MUST be ignored by recipients. |
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290 if len(version_number) != 2: |
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291 raise ValueError |
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292 version_number = int(version_number[0]), int(version_number[1]) |
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293 except (ValueError, IndexError): |
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294 self.send_error(400, "Bad request version (%r)" % version) |
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295 return False |
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296 if version_number >= (1, 1) and self.protocol_version >= "HTTP/1.1": |
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297 self.close_connection = 0 |
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298 if version_number >= (2, 0): |
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299 self.send_error(505, |
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300 "Invalid HTTP Version (%s)" % base_version_number) |
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301 return False |
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302 elif len(words) == 2: |
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303 [command, path] = words |
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304 self.close_connection = 1 |
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305 if command != 'GET': |
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306 self.send_error(400, |
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307 "Bad HTTP/0.9 request type (%r)" % command) |
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308 return False |
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309 elif not words: |
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310 return False |
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311 else: |
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312 self.send_error(400, "Bad request syntax (%r)" % requestline) |
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313 return False |
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314 self.command, self.path, self.request_version = command, path, version |
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315 |
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Fixes by John Reese and Jacques Frechet that make test_xmlrpc pass.
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316 # Examine the headers and look for a Connection directive. |
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317 try: |
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318 self.headers = http.client.parse_headers(self.rfile, |
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319 _class=self.MessageClass) |
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320 except http.client.LineTooLong: |
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321 self.send_error(400, "Line too long") |
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322 return False |
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323 |
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324 conntype = self.headers.get('Connection', "") |
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325 if conntype.lower() == 'close': |
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326 self.close_connection = 1 |
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327 elif (conntype.lower() == 'keep-alive' and |
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328 self.protocol_version >= "HTTP/1.1"): |
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329 self.close_connection = 0 |
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330 return True |
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331 |
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332 def handle_one_request(self): |
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333 """Handle a single HTTP request. |
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334 |
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335 You normally don't need to override this method; see the class |
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336 __doc__ string for information on how to handle specific HTTP |
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337 commands such as GET and POST. |
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338 |
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339 """ |
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340 self.raw_requestline = self.rfile.readline(65537) |
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341 if len(self.raw_requestline) > 65536: |
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342 self.requestline = '' |
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343 self.request_version = '' |
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344 self.command = '' |
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345 self.send_error(414) |
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346 return |
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347 if not self.raw_requestline: |
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348 self.close_connection = 1 |
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349 return |
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350 if not self.parse_request(): # An error code has been sent, just exit |
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351 return |
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352 mname = 'do_' + self.command |
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353 if not hasattr(self, mname): |
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354 self.send_error(501, "Unsupported method (%r)" % self.command) |
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355 return |
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356 method = getattr(self, mname) |
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357 method() |
| 2887 | 358 |
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359 def handle(self): |
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360 """Handle multiple requests if necessary.""" |
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361 self.close_connection = 1 |
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362 |
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363 self.handle_one_request() |
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364 while not self.close_connection: |
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365 self.handle_one_request() |
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366 |
| 2887 | 367 def send_error(self, code, message=None): |
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368 """Send and log an error reply. |
| 2887 | 369 |
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370 Arguments are the error code, and a detailed message. |
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371 The detailed message defaults to the short entry matching the |
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372 response code. |
| 2887 | 373 |
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374 This sends an error response (so it must be called before any |
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375 output has been generated), logs the error, and finally sends |
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376 a piece of HTML explaining the error to the user. |
| 2887 | 377 |
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378 """ |
| 2887 | 379 |
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380 try: |
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381 shortmsg, longmsg = self.responses[code] |
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382 except KeyError: |
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383 shortmsg, longmsg = '???', '???' |
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384 if message is None: |
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385 message = shortmsg |
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386 explain = longmsg |
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387 self.log_error("code %d, message %s", code, message) |
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388 # using _quote_html to prevent Cross Site Scripting attacks (see bug #1100201) |
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389 content = (self.error_message_format % |
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390 {'code': code, 'message': _quote_html(message), 'explain': explain}) |
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391 self.send_response(code, message) |
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392 self.send_header("Content-Type", self.error_content_type) |
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393 self.send_header('Connection', 'close') |
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394 self.end_headers() |
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395 if self.command != 'HEAD' and code >= 200 and code not in (204, 304): |
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396 self.wfile.write(content.encode('UTF-8', 'replace')) |
| 2887 | 397 |
| 398 def send_response(self, code, message=None): | |
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399 """Send the response header and log the response code. |
| 2887 | 400 |
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401 Also send two standard headers with the server software |
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402 version and the current date. |
| 2887 | 403 |
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404 """ |
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405 self.log_request(code) |
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406 if message is None: |
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407 if code in self.responses: |
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408 message = self.responses[code][0] |
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409 else: |
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410 message = '' |
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411 if self.request_version != 'HTTP/0.9': |
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412 self.wfile.write(("%s %d %s\r\n" % |
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413 (self.protocol_version, code, message)).encode('ASCII', 'strict')) |
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414 # print (self.protocol_version, code, message) |
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415 self.send_header('Server', self.version_string()) |
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416 self.send_header('Date', self.date_time_string()) |
| 2887 | 417 |
| 418 def send_header(self, keyword, value): | |
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419 """Send a MIME header.""" |
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420 if self.request_version != 'HTTP/0.9': |
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421 self.wfile.write(("%s: %s\r\n" % (keyword, value)).encode('ASCII', 'strict')) |
| 2887 | 422 |
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423 if keyword.lower() == 'connection': |
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424 if value.lower() == 'close': |
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425 self.close_connection = 1 |
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426 elif value.lower() == 'keep-alive': |
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427 self.close_connection = 0 |
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428 |
| 2887 | 429 def end_headers(self): |
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430 """Send the blank line ending the MIME headers.""" |
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431 if self.request_version != 'HTTP/0.9': |
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432 self.wfile.write(b"\r\n") |
| 2887 | 433 |
| 434 def log_request(self, code='-', size='-'): | |
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435 """Log an accepted request. |
| 2887 | 436 |
| 36879 | 437 This is called by send_response(). |
| 2887 | 438 |
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439 """ |
| 2887 | 440 |
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441 self.log_message('"%s" %s %s', |
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442 self.requestline, str(code), str(size)) |
| 2887 | 443 |
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444 def log_error(self, format, *args): |
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445 """Log an error. |
| 2887 | 446 |
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447 This is called when a request cannot be fulfilled. By |
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448 default it passes the message on to log_message(). |
| 2887 | 449 |
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450 Arguments are the same as for log_message(). |
| 2887 | 451 |
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452 XXX This should go to the separate error log. |
| 2887 | 453 |
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454 """ |
| 2887 | 455 |
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456 self.log_message(format, *args) |
| 2887 | 457 |
| 458 def log_message(self, format, *args): | |
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459 """Log an arbitrary message. |
| 2887 | 460 |
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461 This is used by all other logging functions. Override |
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462 it if you have specific logging wishes. |
| 2887 | 463 |
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464 The first argument, FORMAT, is a format string for the |
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465 message to be logged. If the format string contains |
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466 any % escapes requiring parameters, they should be |
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467 specified as subsequent arguments (it's just like |
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468 printf!). |
| 2887 | 469 |
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470 The client host and current date/time are prefixed to |
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471 every message. |
| 2887 | 472 |
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473 """ |
| 2887 | 474 |
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475 sys.stderr.write("%s - - [%s] %s\n" % |
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476 (self.address_string(), |
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477 self.log_date_time_string(), |
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478 format%args)) |
| 2887 | 479 |
| 480 def version_string(self): | |
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481 """Return the server software version string.""" |
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482 return self.server_version + ' ' + self.sys_version |
| 2887 | 483 |
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484 def date_time_string(self, timestamp=None): |
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485 """Return the current date and time formatted for a message header.""" |
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486 if timestamp is None: |
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487 timestamp = time.time() |
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488 year, month, day, hh, mm, ss, wd, y, z = time.gmtime(timestamp) |
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489 s = "%s, %02d %3s %4d %02d:%02d:%02d GMT" % ( |
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490 self.weekdayname[wd], |
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491 day, self.monthname[month], year, |
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492 hh, mm, ss) |
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493 return s |
| 2887 | 494 |
| 495 def log_date_time_string(self): | |
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496 """Return the current time formatted for logging.""" |
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497 now = time.time() |
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498 year, month, day, hh, mm, ss, x, y, z = time.localtime(now) |
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499 s = "%02d/%3s/%04d %02d:%02d:%02d" % ( |
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500 day, self.monthname[month], year, hh, mm, ss) |
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501 return s |
| 2887 | 502 |
| 503 weekdayname = ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'] | |
| 504 | |
| 505 monthname = [None, | |
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506 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', |
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507 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'] |
| 2887 | 508 |
| 509 def address_string(self): | |
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510 """Return the client address formatted for logging. |
| 2887 | 511 |
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512 This version looks up the full hostname using gethostbyaddr(), |
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513 and tries to find a name that contains at least one dot. |
| 2887 | 514 |
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515 """ |
| 2887 | 516 |
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517 host, port = self.client_address[:2] |
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518 return socket.getfqdn(host) |
| 2887 | 519 |
| 520 # Essentially static class variables | |
| 521 | |
| 522 # The version of the HTTP protocol we support. | |
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523 # Set this to HTTP/1.1 to enable automatic keepalive |
| 2887 | 524 protocol_version = "HTTP/1.0" |
| 525 | |
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526 # MessageClass used to parse headers |
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527 MessageClass = http.client.HTTPMessage |
| 2887 | 528 |
| 529 # Table mapping response codes to messages; entries have the | |
| 530 # form {code: (shortmessage, longmessage)}. | |
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531 # See RFC 2616. |
| 2887 | 532 responses = { |
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533 100: ('Continue', 'Request received, please continue'), |
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534 101: ('Switching Protocols', |
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535 'Switching to new protocol; obey Upgrade header'), |
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536 |
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537 200: ('OK', 'Request fulfilled, document follows'), |
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538 201: ('Created', 'Document created, URL follows'), |
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539 202: ('Accepted', |
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540 'Request accepted, processing continues off-line'), |
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541 203: ('Non-Authoritative Information', 'Request fulfilled from cache'), |
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542 204: ('No Content', 'Request fulfilled, nothing follows'), |
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543 205: ('Reset Content', 'Clear input form for further input.'), |
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544 206: ('Partial Content', 'Partial content follows.'), |
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545 |
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546 300: ('Multiple Choices', |
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547 'Object has several resources -- see URI list'), |
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548 301: ('Moved Permanently', 'Object moved permanently -- see URI list'), |
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549 302: ('Found', 'Object moved temporarily -- see URI list'), |
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550 303: ('See Other', 'Object moved -- see Method and URL list'), |
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551 304: ('Not Modified', |
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552 'Document has not changed since given time'), |
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553 305: ('Use Proxy', |
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554 'You must use proxy specified in Location to access this ' |
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555 'resource.'), |
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556 307: ('Temporary Redirect', |
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557 'Object moved temporarily -- see URI list'), |
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558 |
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559 400: ('Bad Request', |
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560 'Bad request syntax or unsupported method'), |
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561 401: ('Unauthorized', |
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562 'No permission -- see authorization schemes'), |
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563 402: ('Payment Required', |
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564 'No payment -- see charging schemes'), |
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565 403: ('Forbidden', |
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566 'Request forbidden -- authorization will not help'), |
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567 404: ('Not Found', 'Nothing matches the given URI'), |
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568 405: ('Method Not Allowed', |
|
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569 'Specified method is invalid for this resource.'), |
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570 406: ('Not Acceptable', 'URI not available in preferred format.'), |
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571 407: ('Proxy Authentication Required', 'You must authenticate with ' |
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572 'this proxy before proceeding.'), |
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573 408: ('Request Timeout', 'Request timed out; try again later.'), |
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574 409: ('Conflict', 'Request conflict.'), |
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575 410: ('Gone', |
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576 'URI no longer exists and has been permanently removed.'), |
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577 411: ('Length Required', 'Client must specify Content-Length.'), |
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578 412: ('Precondition Failed', 'Precondition in headers is false.'), |
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579 413: ('Request Entity Too Large', 'Entity is too large.'), |
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580 414: ('Request-URI Too Long', 'URI is too long.'), |
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581 415: ('Unsupported Media Type', 'Entity body in unsupported format.'), |
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582 416: ('Requested Range Not Satisfiable', |
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583 'Cannot satisfy request range.'), |
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584 417: ('Expectation Failed', |
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585 'Expect condition could not be satisfied.'), |
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586 |
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587 500: ('Internal Server Error', 'Server got itself in trouble'), |
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588 501: ('Not Implemented', |
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589 'Server does not support this operation'), |
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590 502: ('Bad Gateway', 'Invalid responses from another server/proxy.'), |
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591 503: ('Service Unavailable', |
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592 'The server cannot process the request due to a high load'), |
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593 504: ('Gateway Timeout', |
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594 'The gateway server did not receive a timely response'), |
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595 505: ('HTTP Version Not Supported', 'Cannot fulfill request.'), |
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596 } |
| 2887 | 597 |
| 598 | |
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599 class SimpleHTTPRequestHandler(BaseHTTPRequestHandler): |
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600 |
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601 """Simple HTTP request handler with GET and HEAD commands. |
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602 |
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603 This serves files from the current directory and any of its |
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604 subdirectories. The MIME type for files is determined by |
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605 calling the .guess_type() method. |
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606 |
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607 The GET and HEAD requests are identical except that the HEAD |
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608 request omits the actual contents of the file. |
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609 |
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610 """ |
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611 |
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612 server_version = "SimpleHTTP/" + __version__ |
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613 |
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614 def do_GET(self): |
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615 """Serve a GET request.""" |
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616 f = self.send_head() |
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617 if f: |
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618 self.copyfile(f, self.wfile) |
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619 f.close() |
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620 |
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621 def do_HEAD(self): |
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622 """Serve a HEAD request.""" |
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623 f = self.send_head() |
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624 if f: |
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625 f.close() |
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626 |
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627 def send_head(self): |
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628 """Common code for GET and HEAD commands. |
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629 |
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630 This sends the response code and MIME headers. |
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631 |
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632 Return value is either a file object (which has to be copied |
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633 to the outputfile by the caller unless the command was HEAD, |
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634 and must be closed by the caller under all circumstances), or |
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635 None, in which case the caller has nothing further to do. |
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636 |
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637 """ |
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638 path = self.translate_path(self.path) |
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639 f = None |
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640 if os.path.isdir(path): |
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641 if not self.path.endswith('/'): |
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642 # redirect browser - doing basically what apache does |
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643 self.send_response(301) |
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644 self.send_header("Location", self.path + "/") |
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645 self.end_headers() |
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646 return None |
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647 for index in "index.html", "index.htm": |
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648 index = os.path.join(path, index) |
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649 if os.path.exists(index): |
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650 path = index |
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651 break |
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652 else: |
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653 return self.list_directory(path) |
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654 ctype = self.guess_type(path) |
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655 try: |
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656 f = open(path, 'rb') |
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657 except IOError: |
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658 self.send_error(404, "File not found") |
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659 return None |
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660 self.send_response(200) |
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661 self.send_header("Content-type", ctype) |
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662 fs = os.fstat(f.fileno()) |
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663 self.send_header("Content-Length", str(fs[6])) |
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664 self.send_header("Last-Modified", self.date_time_string(fs.st_mtime)) |
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665 self.end_headers() |
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666 return f |
|
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667 |
|
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668 def list_directory(self, path): |
|
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669 """Helper to produce a directory listing (absent index.html). |
|
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670 |
|
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671 Return value is either a file object, or None (indicating an |
|
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672 error). In either case, the headers are sent, making the |
|
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673 interface the same as for send_head(). |
|
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674 |
|
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|
675 """ |
|
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|
676 try: |
|
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677 list = os.listdir(path) |
|
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678 except os.error: |
|
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|
679 self.send_error(404, "No permission to list directory") |
|
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|
680 return None |
|
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681 list.sort(key=lambda a: a.lower()) |
|
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682 r = [] |
|
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683 displaypath = cgi.escape(urllib.parse.unquote(self.path)) |
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684 r.append('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">') |
|
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685 r.append("<html>\n<title>Directory listing for %s</title>\n" % displaypath) |
|
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686 r.append("<body>\n<h2>Directory listing for %s</h2>\n" % displaypath) |
|
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687 r.append("<hr>\n<ul>\n") |
|
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|
688 for name in list: |
|
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|
689 fullname = os.path.join(path, name) |
|
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690 displayname = linkname = name |
|
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691 # Append / for directories or @ for symbolic links |
|
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692 if os.path.isdir(fullname): |
|
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693 displayname = name + "/" |
|
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694 linkname = name + "/" |
|
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695 if os.path.islink(fullname): |
|
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|
696 displayname = name + "@" |
|
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697 # Note: a link to a directory displays with @ and links with / |
|
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698 r.append('<li><a href="%s">%s</a>\n' |
|
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|
699 % (urllib.parse.quote(linkname), cgi.escape(displayname))) |
|
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700 r.append("</ul>\n<hr>\n</body>\n</html>\n") |
|
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|
701 enc = sys.getfilesystemencoding() |
|
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702 encoded = ''.join(r).encode(enc) |
|
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703 f = io.BytesIO() |
|
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|
704 f.write(encoded) |
|
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|
705 f.seek(0) |
|
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|
706 self.send_response(200) |
|
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|
707 self.send_header("Content-type", "text/html; charset=%s" % enc) |
|
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|
708 self.send_header("Content-Length", str(len(encoded))) |
|
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709 self.end_headers() |
|
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|
710 return f |
|
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|
711 |
|
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|
712 def translate_path(self, path): |
|
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|
713 """Translate a /-separated PATH to the local filename syntax. |
|
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|
714 |
|
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|
715 Components that mean special things to the local file system |
|
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|
716 (e.g. drive or directory names) are ignored. (XXX They should |
|
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|
717 probably be diagnosed.) |
|
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|
718 |
|
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|
719 """ |
|
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|
720 # abandon query parameters |
|
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|
721 path = path.split('?',1)[0] |
|
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|
722 path = path.split('#',1)[0] |
|
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|
723 path = posixpath.normpath(urllib.parse.unquote(path)) |
|
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|
724 words = path.split('/') |
|
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|
725 words = filter(None, words) |
|
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|
726 path = os.getcwd() |
|
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|
727 for word in words: |
|
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|
728 drive, word = os.path.splitdrive(word) |
|
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|
729 head, word = os.path.split(word) |
|
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|
730 if word in (os.curdir, os.pardir): continue |
|
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|
731 path = os.path.join(path, word) |
|
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|
732 return path |
|
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|
733 |
|
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changeset
|
734 def copyfile(self, source, outputfile): |
|
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|
735 """Copy all data between two file objects. |
|
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|
736 |
|
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changeset
|
737 The SOURCE argument is a file object open for reading |
|
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changeset
|
738 (or anything with a read() method) and the DESTINATION |
|
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changeset
|
739 argument is a file object open for writing (or |
|
e1fcc3881cb6
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|
740 anything with a write() method). |
|
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|
741 |
|
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changeset
|
742 The only reason for overriding this would be to change |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
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changeset
|
743 the block size or perhaps to replace newlines by CRLF |
|
e1fcc3881cb6
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|
744 -- note however that this the default server uses this |
|
e1fcc3881cb6
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changeset
|
745 to copy binary data as well. |
|
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|
746 |
|
e1fcc3881cb6
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diff
changeset
|
747 """ |
|
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changeset
|
748 shutil.copyfileobj(source, outputfile) |
|
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Create http package. #2883.
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diff
changeset
|
749 |
|
e1fcc3881cb6
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diff
changeset
|
750 def guess_type(self, path): |
|
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Georg Brandl <georg@python.org>
parents:
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changeset
|
751 """Guess the type of a file. |
|
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|
752 |
|
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changeset
|
753 Argument is a PATH (a filename). |
|
e1fcc3881cb6
Create http package. #2883.
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changeset
|
754 |
|
e1fcc3881cb6
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diff
changeset
|
755 Return value is a string of the form type/subtype, |
|
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Create http package. #2883.
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changeset
|
756 usable for a MIME Content-type header. |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
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diff
changeset
|
757 |
|
e1fcc3881cb6
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changeset
|
758 The default implementation looks the file's extension |
|
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changeset
|
759 up in the table self.extensions_map, using application/octet-stream |
|
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changeset
|
760 as a default; however it would be permissible (if |
|
e1fcc3881cb6
Create http package. #2883.
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changeset
|
761 slow) to look inside the data to make a better guess. |
|
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Create http package. #2883.
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changeset
|
762 |
|
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diff
changeset
|
763 """ |
|
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diff
changeset
|
764 |
|
e1fcc3881cb6
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Georg Brandl <georg@python.org>
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diff
changeset
|
765 base, ext = posixpath.splitext(path) |
|
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Create http package. #2883.
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changeset
|
766 if ext in self.extensions_map: |
|
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changeset
|
767 return self.extensions_map[ext] |
|
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diff
changeset
|
768 ext = ext.lower() |
|
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changeset
|
769 if ext in self.extensions_map: |
|
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diff
changeset
|
770 return self.extensions_map[ext] |
|
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diff
changeset
|
771 else: |
|
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Georg Brandl <georg@python.org>
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changeset
|
772 return self.extensions_map[''] |
|
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Create http package. #2883.
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diff
changeset
|
773 |
|
e1fcc3881cb6
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diff
changeset
|
774 if not mimetypes.inited: |
|
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changeset
|
775 mimetypes.init() # try to read system mime.types |
|
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|
776 extensions_map = mimetypes.types_map.copy() |
|
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changeset
|
777 extensions_map.update({ |
|
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diff
changeset
|
778 '': 'application/octet-stream', # Default |
|
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|
779 '.py': 'text/plain', |
|
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changeset
|
780 '.c': 'text/plain', |
|
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changeset
|
781 '.h': 'text/plain', |
|
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Create http package. #2883.
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diff
changeset
|
782 }) |
|
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Create http package. #2883.
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diff
changeset
|
783 |
|
e1fcc3881cb6
Create http package. #2883.
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parents:
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diff
changeset
|
784 |
|
e1fcc3881cb6
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diff
changeset
|
785 # Utilities for CGIHTTPRequestHandler |
|
e1fcc3881cb6
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786 |
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787 # TODO(gregory.p.smith): Move this into an appropriate library. |
|
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788 def _url_collapse_path_split(path): |
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789 """ |
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|
790 Given a URL path, remove extra '/'s and '.' path elements and collapse |
|
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|
791 any '..' references. |
|
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|
792 |
|
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793 Implements something akin to RFC-2396 5.2 step 6 to parse relative paths. |
|
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|
794 |
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795 Returns: A tuple of (head, tail) where tail is everything after the final / |
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796 and head is everything before it. Head will always start with a '/' and, |
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797 if it contains anything else, never have a trailing '/'. |
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|
798 |
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|
799 Raises: IndexError if too many '..' occur within the path. |
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800 """ |
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|
801 # Similar to os.path.split(os.path.normpath(path)) but specific to URL |
|
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|
802 # path semantics rather than local operating system semantics. |
|
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|
803 path_parts = [] |
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|
804 for part in path.split('/'): |
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805 if part == '.': |
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806 path_parts.append('') |
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807 else: |
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808 path_parts.append(part) |
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809 # Filter out blank non trailing parts before consuming the '..'. |
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810 path_parts = [part for part in path_parts[:-1] if part] + path_parts[-1:] |
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811 if path_parts: |
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812 tail_part = path_parts.pop() |
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813 else: |
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814 tail_part = '' |
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815 head_parts = [] |
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816 for part in path_parts: |
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817 if part == '..': |
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818 head_parts.pop() |
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819 else: |
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820 head_parts.append(part) |
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821 if tail_part and tail_part == '..': |
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822 head_parts.pop() |
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823 tail_part = '' |
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824 return ('/' + '/'.join(head_parts), tail_part) |
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825 |
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826 |
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827 nobody = None |
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828 |
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829 def nobody_uid(): |
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830 """Internal routine to get nobody's uid""" |
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831 global nobody |
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832 if nobody: |
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833 return nobody |
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834 try: |
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835 import pwd |
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836 except ImportError: |
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837 return -1 |
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838 try: |
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839 nobody = pwd.getpwnam('nobody')[2] |
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840 except KeyError: |
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841 nobody = 1 + max(map(lambda x: x[2], pwd.getpwall())) |
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842 return nobody |
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843 |
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844 |
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845 def executable(path): |
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846 """Test for executable file.""" |
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847 try: |
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848 st = os.stat(path) |
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849 except os.error: |
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850 return False |
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851 return st.st_mode & 0o111 != 0 |
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852 |
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853 |
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854 class CGIHTTPRequestHandler(SimpleHTTPRequestHandler): |
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855 |
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856 """Complete HTTP server with GET, HEAD and POST commands. |
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857 |
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858 GET and HEAD also support running CGI scripts. |
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859 |
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860 The POST command is *only* implemented for CGI scripts. |
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861 |
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862 """ |
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863 |
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864 # Determine platform specifics |
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865 have_fork = hasattr(os, 'fork') |
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866 |
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867 # Make rfile unbuffered -- we need to read one line and then pass |
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868 # the rest to a subprocess, so we can't use buffered input. |
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869 rbufsize = 0 |
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870 |
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871 def do_POST(self): |
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872 """Serve a POST request. |
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873 |
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874 This is only implemented for CGI scripts. |
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875 |
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876 """ |
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877 |
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|
878 if self.is_cgi(): |
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879 self.run_cgi() |
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880 else: |
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881 self.send_error(501, "Can only POST to CGI scripts") |
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882 |
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883 def send_head(self): |
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884 """Version of send_head that support CGI scripts""" |
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885 if self.is_cgi(): |
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886 return self.run_cgi() |
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887 else: |
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|
888 return SimpleHTTPRequestHandler.send_head(self) |
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|
889 |
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|
890 def is_cgi(self): |
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891 """Test whether self.path corresponds to a CGI script. |
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892 |
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893 Returns True and updates the cgi_info attribute to the tuple |
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894 (dir, rest) if self.path requires running a CGI script. |
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|
895 Returns False otherwise. |
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896 |
| 53921 | 897 If any exception is raised, the caller should assume that |
| 898 self.path was rejected as invalid and act accordingly. | |
| 899 | |
|
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900 The default implementation tests whether the normalized url |
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901 path begins with one of the strings in self.cgi_directories |
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902 (and the next character is a '/' or the end of the string). |
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903 |
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904 """ |
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905 |
|
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906 splitpath = _url_collapse_path_split(self.path) |
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907 if splitpath[0] in self.cgi_directories: |
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908 self.cgi_info = splitpath |
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909 return True |
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910 return False |
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|
911 |
|
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Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
912 cgi_directories = ['/cgi-bin', '/htbin'] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
913 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
914 def is_executable(self, path): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
915 """Test whether argument path is an executable file.""" |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
916 return executable(path) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
917 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
918 def is_python(self, path): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
919 """Test whether argument path is a Python script.""" |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
920 head, tail = os.path.splitext(path) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
921 return tail.lower() in (".py", ".pyw") |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
922 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
923 def run_cgi(self): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
924 """Execute a CGI script.""" |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
925 path = self.path |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
926 dir, rest = self.cgi_info |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
927 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
928 i = path.find('/', len(dir) + 1) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
929 while i >= 0: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
930 nextdir = path[:i] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
931 nextrest = path[i+1:] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
932 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
933 scriptdir = self.translate_path(nextdir) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
934 if os.path.isdir(scriptdir): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
935 dir, rest = nextdir, nextrest |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
936 i = path.find('/', len(dir) + 1) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
937 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
938 break |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
939 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
940 # find an explicit query string, if present. |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
941 i = rest.rfind('?') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
942 if i >= 0: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
943 rest, query = rest[:i], rest[i+1:] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
944 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
945 query = '' |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
946 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
947 # dissect the part after the directory name into a script name & |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
948 # a possible additional path, to be stored in PATH_INFO. |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
949 i = rest.find('/') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
950 if i >= 0: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
951 script, rest = rest[:i], rest[i:] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
952 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
953 script, rest = rest, '' |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
954 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
955 scriptname = dir + '/' + script |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
956 scriptfile = self.translate_path(scriptname) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
957 if not os.path.exists(scriptfile): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
958 self.send_error(404, "No such CGI script (%r)" % scriptname) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
959 return |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
960 if not os.path.isfile(scriptfile): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
961 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
|
962 scriptname) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
963 return |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
964 ispy = self.is_python(scriptname) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
965 if not ispy: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
966 if not self.is_executable(scriptfile): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
967 self.send_error(403, "CGI script is not executable (%r)" % |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
968 scriptname) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
969 return |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
970 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
971 # Reference: http://hoohoo.ncsa.uiuc.edu/cgi/env.html |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
972 # 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
|
973 env = copy.deepcopy(os.environ) |
|
47318
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Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
974 env['SERVER_SOFTWARE'] = self.version_string() |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
975 env['SERVER_NAME'] = self.server.server_name |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
976 env['GATEWAY_INTERFACE'] = 'CGI/1.1' |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
977 env['SERVER_PROTOCOL'] = self.protocol_version |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
978 env['SERVER_PORT'] = str(self.server.server_port) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
979 env['REQUEST_METHOD'] = self.command |
|
48334
5a416a6417d3
Make a new urllib package .
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
47657
diff
changeset
|
980 uqrest = urllib.parse.unquote(rest) |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
981 env['PATH_INFO'] = uqrest |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
982 env['PATH_TRANSLATED'] = self.translate_path(uqrest) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
983 env['SCRIPT_NAME'] = scriptname |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
984 if query: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
985 env['QUERY_STRING'] = query |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
986 host = self.address_string() |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
987 if host != self.client_address[0]: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
988 env['REMOTE_HOST'] = host |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
989 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
|
990 authorization = self.headers.get("authorization") |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
991 if authorization: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
992 authorization = authorization.split() |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
993 if len(authorization) == 2: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
994 import base64, binascii |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
995 env['AUTH_TYPE'] = authorization[0] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
996 if authorization[0].lower() == "basic": |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
997 try: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
998 authorization = authorization[1].encode('ascii') |
|
54568
031b963f2bc2
More codestring -> codebytes.
Georg Brandl <georg@python.org>
parents:
53921
diff
changeset
|
999 authorization = base64.decodebytes(authorization).\ |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1000 decode('ascii') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1001 except (binascii.Error, UnicodeError): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1002 pass |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1003 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1004 authorization = authorization.split(':') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1005 if len(authorization) == 2: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1006 env['REMOTE_USER'] = authorization[0] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1007 # 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
|
1008 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
|
1009 env['CONTENT_TYPE'] = self.headers.get_content_type() |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1010 else: |
|
47635
f31e32a2013c
Patch for issue 2848, mostly by Humberto Diogenes, with a couple of
Barry Warsaw <barry@python.org>
parents:
47318
diff
changeset
|
1011 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
|
1012 length = self.headers.get('content-length') |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1013 if length: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1014 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
|
1015 referer = self.headers.get('referer') |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1016 if referer: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1017 env['HTTP_REFERER'] = referer |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1018 accept = [] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1019 for line in self.headers.getallmatchingheaders('accept'): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1020 if line[:1] in "\t\n\r ": |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1021 accept.append(line.strip()) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1022 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1023 accept = accept + line[7:].split(',') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1024 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
|
1025 ua = self.headers.get('user-agent') |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1026 if ua: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1027 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
|
1028 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
|
1029 cookie_str = ', '.join(co) |
|
93b3ae63d2f3
Merged revisions 83371,83390 via svnmerge from
Georg Brandl <georg@python.org>
parents:
58996
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1030 if cookie_str: |
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1031 env['HTTP_COOKIE'] = cookie_str |
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1032 # XXX Other HTTP_* headers |
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1033 # Since we're setting the env in the parent, provide empty |
|
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1034 # values to override previously set values |
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1035 for k in ('QUERY_STRING', 'REMOTE_HOST', 'CONTENT_LENGTH', |
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1036 'HTTP_USER_AGENT', 'HTTP_COOKIE', 'HTTP_REFERER'): |
|
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1037 env.setdefault(k, "") |
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1038 |
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1039 self.send_response(200, "Script output follows") |
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1040 |
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1041 decoded_query = query.replace('+', ' ') |
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1042 |
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1043 if self.have_fork: |
|
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1044 # Unix -- fork as we should |
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1045 args = [script] |
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1046 if '=' not in decoded_query: |
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1047 args.append(decoded_query) |
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1048 nobody = nobody_uid() |
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1049 self.wfile.flush() # Always flush before forking |
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1050 pid = os.fork() |
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1051 if pid != 0: |
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1052 # Parent |
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1053 pid, sts = os.waitpid(pid, 0) |
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1054 # throw away additional data [see bug #427345] |
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1055 while select.select([self.rfile], [], [], 0)[0]: |
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1056 if not self.rfile.read(1): |
|
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1057 break |
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1058 if sts: |
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1059 self.log_error("CGI script exit status %#x", sts) |
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1060 return |
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1061 # Child |
|
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1062 try: |
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1063 try: |
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1064 os.setuid(nobody) |
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1065 except os.error: |
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1066 pass |
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1067 os.dup2(self.rfile.fileno(), 0) |
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1068 os.dup2(self.wfile.fileno(), 1) |
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1069 os.execve(scriptfile, args, env) |
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1070 except: |
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1071 self.server.handle_error(self.request, self.client_address) |
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1072 os._exit(127) |
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1073 |
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1074 else: |
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1075 # Non-Unix -- use subprocess |
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1076 import subprocess |
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1077 cmdline = [scriptfile] |
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1078 if self.is_python(scriptfile): |
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1079 interp = sys.executable |
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1080 if interp.lower().endswith("w.exe"): |
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1081 # On Windows, use python.exe, not pythonw.exe |
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1082 interp = interp[:-5] + interp[-4:] |
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1083 cmdline = [interp, '-u'] + cmdline |
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1084 if '=' not in query: |
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1085 cmdline.append(query) |
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1086 self.log_message("command: %s", subprocess.list2cmdline(cmdline)) |
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1087 try: |
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1088 nbytes = int(length) |
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1089 except (TypeError, ValueError): |
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1090 nbytes = 0 |
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1091 p = subprocess.Popen(cmdline, |
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1092 stdin=subprocess.PIPE, |
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1093 stdout=subprocess.PIPE, |
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1094 stderr=subprocess.PIPE, |
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1095 env = env |
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1096 ) |
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1097 if self.command.lower() == "post" and nbytes > 0: |
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1098 data = self.rfile.read(nbytes) |
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1099 else: |
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1100 data = None |
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1101 # throw away additional data [see bug #427345] |
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1102 while select.select([self.rfile._sock], [], [], 0)[0]: |
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1103 if not self.rfile._sock.recv(1): |
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1104 break |
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1105 stdout, stderr = p.communicate(data) |
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1106 self.wfile.write(stdout) |
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1107 if stderr: |
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1108 self.log_error('%s', stderr) |
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1109 p.stderr.close() |
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1110 p.stdout.close() |
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1111 status = p.returncode |
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1112 if status: |
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1113 self.log_error("CGI script exit status %#x", status) |
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1114 else: |
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1115 self.log_message("CGI script exited OK") |
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1116 |
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1117 |
| 2887 | 1118 def test(HandlerClass = BaseHTTPRequestHandler, |
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1119 ServerClass = HTTPServer, protocol="HTTP/1.0"): |
| 2887 | 1120 """Test the HTTP request handler class. |
| 1121 | |
| 1122 This runs an HTTP server on port 8000 (or the first command line | |
| 1123 argument). | |
| 1124 | |
| 1125 """ | |
| 1126 | |
| 1127 if sys.argv[1:]: | |
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1128 port = int(sys.argv[1]) |
| 2887 | 1129 else: |
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1130 port = 8000 |
| 2887 | 1131 server_address = ('', port) |
| 1132 | |
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1133 HandlerClass.protocol_version = protocol |
| 2887 | 1134 httpd = ServerClass(server_address, HandlerClass) |
| 1135 | |
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1136 sa = httpd.socket.getsockname() |
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1137 print("Serving HTTP on", sa[0], "port", sa[1], "...") |
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1138 try: |
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1139 httpd.serve_forever() |
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1140 except KeyboardInterrupt: |
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1141 print("\nKeyboard interrupt received, exiting.") |
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1142 httpd.server_close() |
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1143 sys.exit(0) |
| 2887 | 1144 |
| 1145 if __name__ == '__main__': | |
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1146 test(HandlerClass=SimpleHTTPRequestHandler) |