Mercurial > cpython-lru_cache-weakref
annotate Lib/http/server.py @ 60008:0dfd62076ded
Blocked revisions 79402,79406 via svnmerge
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r79402 | benjamin.peterson | 2010-03-24 20:03:51 -0500 (Wed, 24 Mar 2010) | 1 line
set bsddb eol style
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r79406 | benjamin.peterson | 2010-03-24 20:05:57 -0500 (Wed, 24 Mar 2010) | 1 line
fix eol properties on capsule files
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| author | Benjamin Peterson <benjamin@python.org> |
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| date | Thu, 25 Mar 2010 01:11:10 +0000 |
| parents | f8ddfced2a34 |
| children | e2a9f633d612 |
| rev | line source |
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1 """HTTP server classes. |
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2 |
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3 Note: BaseHTTPRequestHandler doesn't implement any HTTP request; see |
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4 SimpleHTTPRequestHandler for simple implementations of GET, HEAD and POST, |
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5 and CGIHTTPRequestHandler for CGI scripts. |
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6 |
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7 It does, however, optionally implement HTTP/1.1 persistent connections, |
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8 as of version 0.3. |
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9 |
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10 Notes on CGIHTTPRequestHandler |
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11 ------------------------------ |
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12 |
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13 This class implements GET and POST requests to cgi-bin scripts. |
| 2887 | 14 |
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15 If the os.fork() function is not present (e.g. on Windows), |
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16 subprocess.Popen() is used as a fallback, with slightly altered semantics. |
| 2887 | 17 |
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18 In all cases, the implementation is intentionally naive -- all |
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19 requests are executed synchronously. |
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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 | |
| 2887 | 102 |
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103 # Default error message template |
| 2887 | 104 DEFAULT_ERROR_MESSAGE = """\ |
| 105 <head> | |
| 106 <title>Error response</title> | |
| 107 </head> | |
| 108 <body> | |
| 109 <h1>Error response</h1> | |
| 110 <p>Error code %(code)d. | |
| 111 <p>Message: %(message)s. | |
| 112 <p>Error code explanation: %(code)s = %(explain)s. | |
| 113 </body> | |
| 114 """ | |
| 115 | |
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116 DEFAULT_ERROR_CONTENT_TYPE = "text/html;charset=utf-8" |
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117 |
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118 def _quote_html(html): |
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119 return html.replace("&", "&").replace("<", "<").replace(">", ">") |
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121 class HTTPServer(socketserver.TCPServer): |
| 2887 | 122 |
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123 allow_reuse_address = 1 # Seems to make sense in testing environment |
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124 |
| 2887 | 125 def server_bind(self): |
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126 """Override server_bind to store the server name.""" |
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127 socketserver.TCPServer.server_bind(self) |
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128 host, port = self.socket.getsockname()[:2] |
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129 self.server_name = socket.getfqdn(host) |
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130 self.server_port = port |
| 2887 | 131 |
| 132 | |
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133 class BaseHTTPRequestHandler(socketserver.StreamRequestHandler): |
| 2887 | 134 |
| 135 """HTTP request handler base class. | |
| 136 | |
| 137 The following explanation of HTTP serves to guide you through the | |
| 138 code as well as to expose any misunderstandings I may have about | |
| 139 HTTP (so you don't need to read the code to figure out I'm wrong | |
| 140 :-). | |
| 141 | |
| 142 HTTP (HyperText Transfer Protocol) is an extensible protocol on | |
| 143 top of a reliable stream transport (e.g. TCP/IP). The protocol | |
| 144 recognizes three parts to a request: | |
| 145 | |
| 146 1. One line identifying the request type and path | |
| 147 2. An optional set of RFC-822-style headers | |
| 148 3. An optional data part | |
| 149 | |
| 150 The headers and data are separated by a blank line. | |
| 151 | |
| 152 The first line of the request has the form | |
| 153 | |
| 154 <command> <path> <version> | |
| 155 | |
| 156 where <command> is a (case-sensitive) keyword such as GET or POST, | |
| 157 <path> is a string containing path information for the request, | |
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158 and <version> should be the string "HTTP/1.0" or "HTTP/1.1". |
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159 <path> is encoded using the URL encoding scheme (using %xx to signify |
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160 the ASCII character with hex code xx). |
| 2887 | 161 |
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162 The specification specifies that lines are separated by CRLF but |
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163 for compatibility with the widest range of clients recommends |
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164 servers also handle LF. Similarly, whitespace in the request line |
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165 is treated sensibly (allowing multiple spaces between components |
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166 and allowing trailing whitespace). |
| 2887 | 167 |
| 168 Similarly, for output, lines ought to be separated by CRLF pairs | |
| 169 but most clients grok LF characters just fine. | |
| 170 | |
| 171 If the first line of the request has the form | |
| 172 | |
| 173 <command> <path> | |
| 174 | |
| 175 (i.e. <version> is left out) then this is assumed to be an HTTP | |
| 176 0.9 request; this form has no optional headers and data part and | |
| 177 the reply consists of just the data. | |
| 178 | |
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179 The reply form of the HTTP 1.x protocol again has three parts: |
| 2887 | 180 |
| 181 1. One line giving the response code | |
| 182 2. An optional set of RFC-822-style headers | |
| 183 3. The data | |
| 184 | |
| 185 Again, the headers and data are separated by a blank line. | |
| 186 | |
| 187 The response code line has the form | |
| 188 | |
| 189 <version> <responsecode> <responsestring> | |
| 190 | |
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191 where <version> is the protocol version ("HTTP/1.0" or "HTTP/1.1"), |
| 2887 | 192 <responsecode> is a 3-digit response code indicating success or |
| 193 failure of the request, and <responsestring> is an optional | |
| 194 human-readable string explaining what the response code means. | |
| 195 | |
| 196 This server parses the request and the headers, and then calls a | |
| 197 function specific to the request type (<command>). Specifically, | |
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198 a request SPAM will be handled by a method do_SPAM(). If no |
| 2887 | 199 such method exists the server sends an error response to the |
| 200 client. If it exists, it is called with no arguments: | |
| 201 | |
| 202 do_SPAM() | |
| 203 | |
| 204 Note that the request name is case sensitive (i.e. SPAM and spam | |
| 205 are different requests). | |
| 206 | |
| 207 The various request details are stored in instance variables: | |
| 208 | |
| 209 - client_address is the client IP address in the form (host, | |
| 210 port); | |
| 211 | |
| 212 - command, path and version are the broken-down request line; | |
| 213 | |
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214 - headers is an instance of email.message.Message (or a derived |
| 2887 | 215 class) containing the header information; |
| 216 | |
| 217 - rfile is a file object open for reading positioned at the | |
| 218 start of the optional input data part; | |
| 219 | |
| 220 - wfile is a file object open for writing. | |
| 221 | |
| 222 IT IS IMPORTANT TO ADHERE TO THE PROTOCOL FOR WRITING! | |
| 223 | |
| 224 The first thing to be written must be the response line. Then | |
| 225 follow 0 or more header lines, then a blank line, and then the | |
| 226 actual data (if any). The meaning of the header lines depends on | |
| 227 the command executed by the server; in most cases, when data is | |
| 228 returned, there should be at least one header line of the form | |
| 229 | |
| 230 Content-type: <type>/<subtype> | |
| 231 | |
| 232 where <type> and <subtype> should be registered MIME types, | |
| 233 e.g. "text/html" or "text/plain". | |
| 234 | |
| 235 """ | |
| 236 | |
| 237 # The Python system version, truncated to its first component. | |
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238 sys_version = "Python/" + sys.version.split()[0] |
| 2887 | 239 |
| 240 # The server software version. You may want to override this. | |
| 241 # The format is multiple whitespace-separated strings, | |
| 242 # where each string is of the form name[/version]. | |
| 243 server_version = "BaseHTTP/" + __version__ | |
| 244 | |
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245 error_message_format = DEFAULT_ERROR_MESSAGE |
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246 error_content_type = DEFAULT_ERROR_CONTENT_TYPE |
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247 |
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248 # The default request version. This only affects responses up until |
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249 # the point where the request line is parsed, so it mainly decides what |
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250 # the client gets back when sending a malformed request line. |
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251 # Most web servers default to HTTP 0.9, i.e. don't send a status line. |
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252 default_request_version = "HTTP/0.9" |
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253 |
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254 def parse_request(self): |
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255 """Parse a request (internal). |
| 2887 | 256 |
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257 The request should be stored in self.raw_requestline; the results |
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258 are in self.command, self.path, self.request_version and |
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259 self.headers. |
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260 |
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261 Return True for success, False for failure; on failure, an |
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262 error is sent back. |
| 2887 | 263 |
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264 """ |
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265 self.command = None # set in case of error on the first line |
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266 self.request_version = version = self.default_request_version |
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267 self.close_connection = 1 |
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268 requestline = str(self.raw_requestline, 'iso-8859-1') |
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269 if requestline[-2:] == '\r\n': |
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270 requestline = requestline[:-2] |
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271 elif requestline[-1:] == '\n': |
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272 requestline = requestline[:-1] |
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273 self.requestline = requestline |
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274 words = requestline.split() |
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275 if len(words) == 3: |
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276 [command, path, version] = words |
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277 if version[:5] != 'HTTP/': |
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278 self.send_error(400, "Bad request version (%r)" % version) |
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279 return False |
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280 try: |
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281 base_version_number = version.split('/', 1)[1] |
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282 version_number = base_version_number.split(".") |
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283 # RFC 2145 section 3.1 says there can be only one "." and |
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284 # - major and minor numbers MUST be treated as |
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285 # separate integers; |
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286 # - HTTP/2.4 is a lower version than HTTP/2.13, which in |
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287 # turn is lower than HTTP/12.3; |
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288 # - Leading zeros MUST be ignored by recipients. |
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289 if len(version_number) != 2: |
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290 raise ValueError |
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291 version_number = int(version_number[0]), int(version_number[1]) |
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292 except (ValueError, IndexError): |
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293 self.send_error(400, "Bad request version (%r)" % version) |
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294 return False |
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295 if version_number >= (1, 1) and self.protocol_version >= "HTTP/1.1": |
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296 self.close_connection = 0 |
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297 if version_number >= (2, 0): |
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298 self.send_error(505, |
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299 "Invalid HTTP Version (%s)" % base_version_number) |
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300 return False |
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301 elif len(words) == 2: |
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302 [command, path] = words |
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303 self.close_connection = 1 |
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304 if command != 'GET': |
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305 self.send_error(400, |
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306 "Bad HTTP/0.9 request type (%r)" % command) |
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307 return False |
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308 elif not words: |
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309 return False |
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310 else: |
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311 self.send_error(400, "Bad request syntax (%r)" % requestline) |
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312 return False |
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313 self.command, self.path, self.request_version = command, path, version |
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314 |
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315 # Examine the headers and look for a Connection directive. |
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316 self.headers = http.client.parse_headers(self.rfile, |
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317 _class=self.MessageClass) |
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318 |
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319 conntype = self.headers.get('Connection', "") |
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320 if conntype.lower() == 'close': |
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321 self.close_connection = 1 |
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322 elif (conntype.lower() == 'keep-alive' and |
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323 self.protocol_version >= "HTTP/1.1"): |
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324 self.close_connection = 0 |
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325 return True |
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326 |
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327 def handle_one_request(self): |
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328 """Handle a single HTTP request. |
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329 |
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330 You normally don't need to override this method; see the class |
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331 __doc__ string for information on how to handle specific HTTP |
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332 commands such as GET and POST. |
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333 |
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334 """ |
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335 try: |
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336 self.raw_requestline = self.rfile.readline() |
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337 if not self.raw_requestline: |
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338 self.close_connection = 1 |
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339 return |
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340 if not self.parse_request(): |
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341 # An error code has been sent, just exit |
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342 return |
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343 mname = 'do_' + self.command |
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344 if not hasattr(self, mname): |
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345 self.send_error(501, "Unsupported method (%r)" % self.command) |
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346 return |
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347 method = getattr(self, mname) |
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348 method() |
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349 self.wfile.flush() #actually send the response if not already done. |
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350 except socket.timeout as e: |
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351 #a read or a write timed out. Discard this connection |
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352 self.log_error("Request timed out: %r", e) |
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353 self.close_connection = 1 |
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354 return |
| 2887 | 355 |
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356 def handle(self): |
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357 """Handle multiple requests if necessary.""" |
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358 self.close_connection = 1 |
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359 |
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360 self.handle_one_request() |
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361 while not self.close_connection: |
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362 self.handle_one_request() |
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363 |
| 2887 | 364 def send_error(self, code, message=None): |
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365 """Send and log an error reply. |
| 2887 | 366 |
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367 Arguments are the error code, and a detailed message. |
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368 The detailed message defaults to the short entry matching the |
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369 response code. |
| 2887 | 370 |
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371 This sends an error response (so it must be called before any |
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372 output has been generated), logs the error, and finally sends |
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373 a piece of HTML explaining the error to the user. |
| 2887 | 374 |
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375 """ |
| 2887 | 376 |
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377 try: |
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378 shortmsg, longmsg = self.responses[code] |
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379 except KeyError: |
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380 shortmsg, longmsg = '???', '???' |
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381 if message is None: |
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382 message = shortmsg |
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383 explain = longmsg |
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384 self.log_error("code %d, message %s", code, message) |
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385 # using _quote_html to prevent Cross Site Scripting attacks (see bug #1100201) |
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386 content = (self.error_message_format % |
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387 {'code': code, 'message': _quote_html(message), 'explain': explain}) |
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388 self.send_response(code, message) |
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389 self.send_header("Content-Type", self.error_content_type) |
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390 self.send_header('Connection', 'close') |
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391 self.end_headers() |
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392 if self.command != 'HEAD' and code >= 200 and code not in (204, 304): |
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393 self.wfile.write(content.encode('UTF-8', 'replace')) |
| 2887 | 394 |
| 395 def send_response(self, code, message=None): | |
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396 """Send the response header and log the response code. |
| 2887 | 397 |
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398 Also send two standard headers with the server software |
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399 version and the current date. |
| 2887 | 400 |
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401 """ |
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402 self.log_request(code) |
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403 if message is None: |
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404 if code in self.responses: |
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405 message = self.responses[code][0] |
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406 else: |
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407 message = '' |
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408 if self.request_version != 'HTTP/0.9': |
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409 self.wfile.write(("%s %d %s\r\n" % |
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410 (self.protocol_version, code, message)).encode('ASCII', 'strict')) |
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411 # print (self.protocol_version, code, message) |
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412 self.send_header('Server', self.version_string()) |
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413 self.send_header('Date', self.date_time_string()) |
| 2887 | 414 |
| 415 def send_header(self, keyword, value): | |
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416 """Send a MIME header.""" |
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417 if self.request_version != 'HTTP/0.9': |
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418 self.wfile.write(("%s: %s\r\n" % (keyword, value)).encode('ASCII', 'strict')) |
| 2887 | 419 |
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420 if keyword.lower() == 'connection': |
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421 if value.lower() == 'close': |
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422 self.close_connection = 1 |
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423 elif value.lower() == 'keep-alive': |
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424 self.close_connection = 0 |
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425 |
| 2887 | 426 def end_headers(self): |
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427 """Send the blank line ending the MIME headers.""" |
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428 if self.request_version != 'HTTP/0.9': |
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429 self.wfile.write(b"\r\n") |
| 2887 | 430 |
| 431 def log_request(self, code='-', size='-'): | |
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432 """Log an accepted request. |
| 2887 | 433 |
| 36879 | 434 This is called by send_response(). |
| 2887 | 435 |
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436 """ |
| 2887 | 437 |
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438 self.log_message('"%s" %s %s', |
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439 self.requestline, str(code), str(size)) |
| 2887 | 440 |
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441 def log_error(self, format, *args): |
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442 """Log an error. |
| 2887 | 443 |
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444 This is called when a request cannot be fulfilled. By |
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445 default it passes the message on to log_message(). |
| 2887 | 446 |
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447 Arguments are the same as for log_message(). |
| 2887 | 448 |
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449 XXX This should go to the separate error log. |
| 2887 | 450 |
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451 """ |
| 2887 | 452 |
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453 self.log_message(format, *args) |
| 2887 | 454 |
| 455 def log_message(self, format, *args): | |
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456 """Log an arbitrary message. |
| 2887 | 457 |
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458 This is used by all other logging functions. Override |
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459 it if you have specific logging wishes. |
| 2887 | 460 |
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461 The first argument, FORMAT, is a format string for the |
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462 message to be logged. If the format string contains |
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463 any % escapes requiring parameters, they should be |
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464 specified as subsequent arguments (it's just like |
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465 printf!). |
| 2887 | 466 |
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467 The client host and current date/time are prefixed to |
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468 every message. |
| 2887 | 469 |
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470 """ |
| 2887 | 471 |
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472 sys.stderr.write("%s - - [%s] %s\n" % |
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473 (self.address_string(), |
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474 self.log_date_time_string(), |
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475 format%args)) |
| 2887 | 476 |
| 477 def version_string(self): | |
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478 """Return the server software version string.""" |
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479 return self.server_version + ' ' + self.sys_version |
| 2887 | 480 |
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481 def date_time_string(self, timestamp=None): |
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482 """Return the current date and time formatted for a message header.""" |
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483 if timestamp is None: |
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484 timestamp = time.time() |
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485 year, month, day, hh, mm, ss, wd, y, z = time.gmtime(timestamp) |
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486 s = "%s, %02d %3s %4d %02d:%02d:%02d GMT" % ( |
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487 self.weekdayname[wd], |
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488 day, self.monthname[month], year, |
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489 hh, mm, ss) |
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490 return s |
| 2887 | 491 |
| 492 def log_date_time_string(self): | |
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493 """Return the current time formatted for logging.""" |
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494 now = time.time() |
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495 year, month, day, hh, mm, ss, x, y, z = time.localtime(now) |
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496 s = "%02d/%3s/%04d %02d:%02d:%02d" % ( |
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497 day, self.monthname[month], year, hh, mm, ss) |
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498 return s |
| 2887 | 499 |
| 500 weekdayname = ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'] | |
| 501 | |
| 502 monthname = [None, | |
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503 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', |
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504 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'] |
| 2887 | 505 |
| 506 def address_string(self): | |
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507 """Return the client address formatted for logging. |
| 2887 | 508 |
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509 This version looks up the full hostname using gethostbyaddr(), |
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510 and tries to find a name that contains at least one dot. |
| 2887 | 511 |
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512 """ |
| 2887 | 513 |
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514 host, port = self.client_address[:2] |
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515 return socket.getfqdn(host) |
| 2887 | 516 |
| 517 # Essentially static class variables | |
| 518 | |
| 519 # The version of the HTTP protocol we support. | |
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520 # Set this to HTTP/1.1 to enable automatic keepalive |
| 2887 | 521 protocol_version = "HTTP/1.0" |
| 522 | |
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523 # MessageClass used to parse headers |
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524 MessageClass = http.client.HTTPMessage |
| 2887 | 525 |
| 526 # Table mapping response codes to messages; entries have the | |
| 527 # form {code: (shortmessage, longmessage)}. | |
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528 # See RFC 2616. |
| 2887 | 529 responses = { |
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530 100: ('Continue', 'Request received, please continue'), |
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531 101: ('Switching Protocols', |
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532 'Switching to new protocol; obey Upgrade header'), |
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533 |
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534 200: ('OK', 'Request fulfilled, document follows'), |
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535 201: ('Created', 'Document created, URL follows'), |
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536 202: ('Accepted', |
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537 'Request accepted, processing continues off-line'), |
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538 203: ('Non-Authoritative Information', 'Request fulfilled from cache'), |
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539 204: ('No Content', 'Request fulfilled, nothing follows'), |
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540 205: ('Reset Content', 'Clear input form for further input.'), |
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541 206: ('Partial Content', 'Partial content follows.'), |
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542 |
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543 300: ('Multiple Choices', |
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544 'Object has several resources -- see URI list'), |
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545 301: ('Moved Permanently', 'Object moved permanently -- see URI list'), |
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546 302: ('Found', 'Object moved temporarily -- see URI list'), |
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547 303: ('See Other', 'Object moved -- see Method and URL list'), |
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548 304: ('Not Modified', |
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549 'Document has not changed since given time'), |
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550 305: ('Use Proxy', |
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551 'You must use proxy specified in Location to access this ' |
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552 'resource.'), |
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553 307: ('Temporary Redirect', |
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554 'Object moved temporarily -- see URI list'), |
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555 |
|
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556 400: ('Bad Request', |
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557 'Bad request syntax or unsupported method'), |
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558 401: ('Unauthorized', |
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559 'No permission -- see authorization schemes'), |
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560 402: ('Payment Required', |
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561 'No payment -- see charging schemes'), |
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562 403: ('Forbidden', |
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563 'Request forbidden -- authorization will not help'), |
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564 404: ('Not Found', 'Nothing matches the given URI'), |
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565 405: ('Method Not Allowed', |
|
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566 'Specified method is invalid for this resource.'), |
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567 406: ('Not Acceptable', 'URI not available in preferred format.'), |
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568 407: ('Proxy Authentication Required', 'You must authenticate with ' |
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569 'this proxy before proceeding.'), |
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570 408: ('Request Timeout', 'Request timed out; try again later.'), |
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571 409: ('Conflict', 'Request conflict.'), |
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572 410: ('Gone', |
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573 'URI no longer exists and has been permanently removed.'), |
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574 411: ('Length Required', 'Client must specify Content-Length.'), |
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575 412: ('Precondition Failed', 'Precondition in headers is false.'), |
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576 413: ('Request Entity Too Large', 'Entity is too large.'), |
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577 414: ('Request-URI Too Long', 'URI is too long.'), |
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578 415: ('Unsupported Media Type', 'Entity body in unsupported format.'), |
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579 416: ('Requested Range Not Satisfiable', |
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580 'Cannot satisfy request range.'), |
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581 417: ('Expectation Failed', |
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582 'Expect condition could not be satisfied.'), |
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583 |
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584 500: ('Internal Server Error', 'Server got itself in trouble'), |
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585 501: ('Not Implemented', |
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586 'Server does not support this operation'), |
|
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587 502: ('Bad Gateway', 'Invalid responses from another server/proxy.'), |
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588 503: ('Service Unavailable', |
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589 'The server cannot process the request due to a high load'), |
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590 504: ('Gateway Timeout', |
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591 'The gateway server did not receive a timely response'), |
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592 505: ('HTTP Version Not Supported', 'Cannot fulfill request.'), |
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593 } |
| 2887 | 594 |
| 595 | |
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596 class SimpleHTTPRequestHandler(BaseHTTPRequestHandler): |
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597 |
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598 """Simple HTTP request handler with GET and HEAD commands. |
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599 |
|
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600 This serves files from the current directory and any of its |
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601 subdirectories. The MIME type for files is determined by |
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602 calling the .guess_type() method. |
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603 |
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604 The GET and HEAD requests are identical except that the HEAD |
|
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|
605 request omits the actual contents of the file. |
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606 |
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607 """ |
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608 |
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609 server_version = "SimpleHTTP/" + __version__ |
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610 |
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611 def do_GET(self): |
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612 """Serve a GET request.""" |
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613 f = self.send_head() |
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614 if f: |
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615 self.copyfile(f, self.wfile) |
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616 f.close() |
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617 |
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618 def do_HEAD(self): |
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619 """Serve a HEAD request.""" |
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620 f = self.send_head() |
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621 if f: |
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622 f.close() |
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623 |
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624 def send_head(self): |
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625 """Common code for GET and HEAD commands. |
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626 |
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627 This sends the response code and MIME headers. |
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628 |
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629 Return value is either a file object (which has to be copied |
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630 to the outputfile by the caller unless the command was HEAD, |
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631 and must be closed by the caller under all circumstances), or |
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632 None, in which case the caller has nothing further to do. |
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633 |
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634 """ |
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635 path = self.translate_path(self.path) |
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636 f = None |
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637 if os.path.isdir(path): |
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638 if not self.path.endswith('/'): |
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639 # redirect browser - doing basically what apache does |
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640 self.send_response(301) |
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641 self.send_header("Location", self.path + "/") |
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642 self.end_headers() |
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643 return None |
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644 for index in "index.html", "index.htm": |
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645 index = os.path.join(path, index) |
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646 if os.path.exists(index): |
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647 path = index |
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648 break |
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649 else: |
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650 return self.list_directory(path) |
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651 ctype = self.guess_type(path) |
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652 try: |
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653 f = open(path, 'rb') |
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654 except IOError: |
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655 self.send_error(404, "File not found") |
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656 return None |
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657 self.send_response(200) |
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658 self.send_header("Content-type", ctype) |
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659 fs = os.fstat(f.fileno()) |
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660 self.send_header("Content-Length", str(fs[6])) |
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661 self.send_header("Last-Modified", self.date_time_string(fs.st_mtime)) |
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662 self.end_headers() |
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663 return f |
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664 |
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665 def list_directory(self, path): |
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666 """Helper to produce a directory listing (absent index.html). |
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667 |
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668 Return value is either a file object, or None (indicating an |
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669 error). In either case, the headers are sent, making the |
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670 interface the same as for send_head(). |
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671 |
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672 """ |
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673 try: |
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674 list = os.listdir(path) |
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675 except os.error: |
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676 self.send_error(404, "No permission to list directory") |
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677 return None |
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678 list.sort(key=lambda a: a.lower()) |
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679 r = [] |
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680 displaypath = cgi.escape(urllib.parse.unquote(self.path)) |
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681 r.append('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">') |
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682 r.append("<html>\n<title>Directory listing for %s</title>\n" % displaypath) |
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683 r.append("<body>\n<h2>Directory listing for %s</h2>\n" % displaypath) |
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684 r.append("<hr>\n<ul>\n") |
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685 for name in list: |
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686 fullname = os.path.join(path, name) |
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687 displayname = linkname = name |
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688 # Append / for directories or @ for symbolic links |
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689 if os.path.isdir(fullname): |
|
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690 displayname = name + "/" |
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691 linkname = name + "/" |
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692 if os.path.islink(fullname): |
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693 displayname = name + "@" |
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694 # Note: a link to a directory displays with @ and links with / |
|
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695 r.append('<li><a href="%s">%s</a>\n' |
|
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696 % (urllib.parse.quote(linkname), cgi.escape(displayname))) |
|
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697 r.append("</ul>\n<hr>\n</body>\n</html>\n") |
|
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698 enc = sys.getfilesystemencoding() |
|
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699 encoded = ''.join(r).encode(enc) |
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700 f = io.BytesIO() |
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701 f.write(encoded) |
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702 f.seek(0) |
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703 self.send_response(200) |
|
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704 self.send_header("Content-type", "text/html; charset=%s" % enc) |
|
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705 self.send_header("Content-Length", str(len(encoded))) |
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706 self.end_headers() |
|
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|
707 return f |
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|
708 |
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709 def translate_path(self, path): |
|
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710 """Translate a /-separated PATH to the local filename syntax. |
|
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|
711 |
|
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|
712 Components that mean special things to the local file system |
|
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713 (e.g. drive or directory names) are ignored. (XXX They should |
|
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|
714 probably be diagnosed.) |
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|
715 |
|
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|
716 """ |
|
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717 # abandon query parameters |
|
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|
718 path = path.split('?',1)[0] |
|
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719 path = path.split('#',1)[0] |
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|
720 path = posixpath.normpath(urllib.parse.unquote(path)) |
|
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721 words = path.split('/') |
|
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722 words = filter(None, words) |
|
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723 path = os.getcwd() |
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724 for word in words: |
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725 drive, word = os.path.splitdrive(word) |
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726 head, word = os.path.split(word) |
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727 if word in (os.curdir, os.pardir): continue |
|
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728 path = os.path.join(path, word) |
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729 return path |
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|
730 |
|
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731 def copyfile(self, source, outputfile): |
|
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732 """Copy all data between two file objects. |
|
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|
733 |
|
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|
734 The SOURCE argument is a file object open for reading |
|
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|
735 (or anything with a read() method) and the DESTINATION |
|
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|
736 argument is a file object open for writing (or |
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|
737 anything with a write() method). |
|
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|
738 |
|
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|
739 The only reason for overriding this would be to change |
|
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|
740 the block size or perhaps to replace newlines by CRLF |
|
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|
741 -- note however that this the default server uses this |
|
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|
742 to copy binary data as well. |
|
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|
743 |
|
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|
744 """ |
|
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|
745 shutil.copyfileobj(source, outputfile) |
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|
746 |
|
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|
747 def guess_type(self, path): |
|
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|
748 """Guess the type of a file. |
|
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|
749 |
|
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|
750 Argument is a PATH (a filename). |
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|
751 |
|
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|
752 Return value is a string of the form type/subtype, |
|
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Create http package. #2883.
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|
753 usable for a MIME Content-type header. |
|
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|
754 |
|
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|
755 The default implementation looks the file's extension |
|
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|
756 up in the table self.extensions_map, using application/octet-stream |
|
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|
757 as a default; however it would be permissible (if |
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|
758 slow) to look inside the data to make a better guess. |
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|
759 |
|
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|
760 """ |
|
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|
761 |
|
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|
762 base, ext = posixpath.splitext(path) |
|
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|
763 if ext in self.extensions_map: |
|
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|
764 return self.extensions_map[ext] |
|
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|
765 ext = ext.lower() |
|
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|
766 if ext in self.extensions_map: |
|
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|
767 return self.extensions_map[ext] |
|
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|
768 else: |
|
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|
769 return self.extensions_map[''] |
|
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|
770 |
|
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|
771 if not mimetypes.inited: |
|
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|
772 mimetypes.init() # try to read system mime.types |
|
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|
773 extensions_map = mimetypes.types_map.copy() |
|
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|
774 extensions_map.update({ |
|
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|
775 '': 'application/octet-stream', # Default |
|
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|
776 '.py': 'text/plain', |
|
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|
777 '.c': 'text/plain', |
|
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|
778 '.h': 'text/plain', |
|
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|
779 }) |
|
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|
780 |
|
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|
781 |
|
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|
782 # Utilities for CGIHTTPRequestHandler |
|
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|
783 |
|
53073
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Merged revisions 71303 via svnmerge from
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changeset
|
784 # TODO(gregory.p.smith): Move this into an appropriate library. |
|
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|
785 def _url_collapse_path_split(path): |
|
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Merged revisions 71303 via svnmerge from
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|
786 """ |
|
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Merged revisions 71303 via svnmerge from
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|
787 Given a URL path, remove extra '/'s and '.' path elements and collapse |
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788 any '..' references. |
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|
789 |
|
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790 Implements something akin to RFC-2396 5.2 step 6 to parse relative paths. |
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|
791 |
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|
792 Returns: A tuple of (head, tail) where tail is everything after the final / |
|
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793 and head is everything before it. Head will always start with a '/' and, |
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794 if it contains anything else, never have a trailing '/'. |
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|
795 |
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|
796 Raises: IndexError if too many '..' occur within the path. |
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797 """ |
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798 # Similar to os.path.split(os.path.normpath(path)) but specific to URL |
|
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|
799 # path semantics rather than local operating system semantics. |
|
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800 path_parts = [] |
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801 for part in path.split('/'): |
|
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802 if part == '.': |
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|
803 path_parts.append('') |
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804 else: |
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805 path_parts.append(part) |
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|
806 # Filter out blank non trailing parts before consuming the '..'. |
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807 path_parts = [part for part in path_parts[:-1] if part] + path_parts[-1:] |
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808 if path_parts: |
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809 tail_part = path_parts.pop() |
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810 else: |
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811 tail_part = '' |
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812 head_parts = [] |
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813 for part in path_parts: |
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814 if part == '..': |
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815 head_parts.pop() |
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816 else: |
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817 head_parts.append(part) |
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818 if tail_part and tail_part == '..': |
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819 head_parts.pop() |
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820 tail_part = '' |
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821 return ('/' + '/'.join(head_parts), tail_part) |
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822 |
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823 |
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824 nobody = None |
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825 |
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826 def nobody_uid(): |
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827 """Internal routine to get nobody's uid""" |
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828 global nobody |
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829 if nobody: |
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830 return nobody |
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831 try: |
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832 import pwd |
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833 except ImportError: |
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834 return -1 |
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835 try: |
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836 nobody = pwd.getpwnam('nobody')[2] |
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837 except KeyError: |
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838 nobody = 1 + max(map(lambda x: x[2], pwd.getpwall())) |
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839 return nobody |
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840 |
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841 |
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842 def executable(path): |
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843 """Test for executable file.""" |
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844 try: |
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845 st = os.stat(path) |
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846 except os.error: |
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847 return False |
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848 return st.st_mode & 0o111 != 0 |
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849 |
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850 |
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851 class CGIHTTPRequestHandler(SimpleHTTPRequestHandler): |
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852 |
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853 """Complete HTTP server with GET, HEAD and POST commands. |
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854 |
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855 GET and HEAD also support running CGI scripts. |
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856 |
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857 The POST command is *only* implemented for CGI scripts. |
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858 |
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859 """ |
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860 |
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861 # Determine platform specifics |
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862 have_fork = hasattr(os, 'fork') |
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863 |
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864 # Make rfile unbuffered -- we need to read one line and then pass |
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865 # the rest to a subprocess, so we can't use buffered input. |
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866 rbufsize = 0 |
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867 |
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868 def do_POST(self): |
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869 """Serve a POST request. |
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870 |
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871 This is only implemented for CGI scripts. |
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872 |
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873 """ |
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874 |
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875 if self.is_cgi(): |
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876 self.run_cgi() |
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877 else: |
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878 self.send_error(501, "Can only POST to CGI scripts") |
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879 |
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880 def send_head(self): |
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881 """Version of send_head that support CGI scripts""" |
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882 if self.is_cgi(): |
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883 return self.run_cgi() |
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884 else: |
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885 return SimpleHTTPRequestHandler.send_head(self) |
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886 |
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887 def is_cgi(self): |
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888 """Test whether self.path corresponds to a CGI script. |
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889 |
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890 Returns True and updates the cgi_info attribute to the tuple |
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891 (dir, rest) if self.path requires running a CGI script. |
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892 Returns False otherwise. |
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893 |
| 53921 | 894 If any exception is raised, the caller should assume that |
| 895 self.path was rejected as invalid and act accordingly. | |
| 896 | |
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897 The default implementation tests whether the normalized url |
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898 path begins with one of the strings in self.cgi_directories |
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899 (and the next character is a '/' or the end of the string). |
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900 |
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901 """ |
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902 |
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903 splitpath = _url_collapse_path_split(self.path) |
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904 if splitpath[0] in self.cgi_directories: |
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905 self.cgi_info = splitpath |
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906 return True |
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907 return False |
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908 |
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909 cgi_directories = ['/cgi-bin', '/htbin'] |
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910 |
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911 def is_executable(self, path): |
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912 """Test whether argument path is an executable file.""" |
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913 return executable(path) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
914 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
915 def is_python(self, path): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
916 """Test whether argument path is a Python script.""" |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
917 head, tail = os.path.splitext(path) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
918 return tail.lower() in (".py", ".pyw") |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
919 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
920 def run_cgi(self): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
921 """Execute a CGI script.""" |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
922 path = self.path |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
923 dir, rest = self.cgi_info |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
924 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
925 i = path.find('/', len(dir) + 1) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
926 while i >= 0: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
927 nextdir = path[:i] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
928 nextrest = path[i+1:] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
929 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
930 scriptdir = self.translate_path(nextdir) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
931 if os.path.isdir(scriptdir): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
932 dir, rest = nextdir, nextrest |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
933 i = path.find('/', len(dir) + 1) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
934 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
935 break |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
936 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
937 # find an explicit query string, if present. |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
938 i = rest.rfind('?') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
939 if i >= 0: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
940 rest, query = rest[:i], rest[i+1:] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
941 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
942 query = '' |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
943 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
944 # 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
|
945 # a possible additional path, to be stored in PATH_INFO. |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
946 i = rest.find('/') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
947 if i >= 0: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
948 script, rest = rest[:i], rest[i:] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
949 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
950 script, rest = rest, '' |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
951 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
952 scriptname = dir + '/' + script |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
953 scriptfile = self.translate_path(scriptname) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
954 if not os.path.exists(scriptfile): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
955 self.send_error(404, "No such CGI script (%r)" % scriptname) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
956 return |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
957 if not os.path.isfile(scriptfile): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
958 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
|
959 scriptname) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
960 return |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
961 ispy = self.is_python(scriptname) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
962 if not ispy: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
963 if not self.is_executable(scriptfile): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
964 self.send_error(403, "CGI script is not executable (%r)" % |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
965 scriptname) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
966 return |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
967 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
968 # Reference: http://hoohoo.ncsa.uiuc.edu/cgi/env.html |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
969 # XXX Much of the following could be prepared ahead of time! |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
970 env = {} |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
971 env['SERVER_SOFTWARE'] = self.version_string() |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
972 env['SERVER_NAME'] = self.server.server_name |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
973 env['GATEWAY_INTERFACE'] = 'CGI/1.1' |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
974 env['SERVER_PROTOCOL'] = self.protocol_version |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
975 env['SERVER_PORT'] = str(self.server.server_port) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
976 env['REQUEST_METHOD'] = self.command |
|
48334
5a416a6417d3
Make a new urllib package .
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
47657
diff
changeset
|
977 uqrest = urllib.parse.unquote(rest) |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
978 env['PATH_INFO'] = uqrest |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
979 env['PATH_TRANSLATED'] = self.translate_path(uqrest) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
980 env['SCRIPT_NAME'] = scriptname |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
981 if query: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
982 env['QUERY_STRING'] = query |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
983 host = self.address_string() |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
984 if host != self.client_address[0]: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
985 env['REMOTE_HOST'] = host |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
986 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
|
987 authorization = self.headers.get("authorization") |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
988 if authorization: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
989 authorization = authorization.split() |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
990 if len(authorization) == 2: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
991 import base64, binascii |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
992 env['AUTH_TYPE'] = authorization[0] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
993 if authorization[0].lower() == "basic": |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
994 try: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
995 authorization = authorization[1].encode('ascii') |
|
54568
031b963f2bc2
More codestring -> codebytes.
Georg Brandl <georg@python.org>
parents:
53921
diff
changeset
|
996 authorization = base64.decodebytes(authorization).\ |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
997 decode('ascii') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
998 except (binascii.Error, UnicodeError): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
999 pass |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1000 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1001 authorization = authorization.split(':') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1002 if len(authorization) == 2: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1003 env['REMOTE_USER'] = authorization[0] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1004 # 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
|
1005 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
|
1006 env['CONTENT_TYPE'] = self.headers.get_content_type() |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1007 else: |
|
47635
f31e32a2013c
Patch for issue 2848, mostly by Humberto Diogenes, with a couple of
Barry Warsaw <barry@python.org>
parents:
47318
diff
changeset
|
1008 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
|
1009 length = self.headers.get('content-length') |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1010 if length: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1011 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
|
1012 referer = self.headers.get('referer') |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1013 if referer: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1014 env['HTTP_REFERER'] = referer |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1015 accept = [] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1016 for line in self.headers.getallmatchingheaders('accept'): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1017 if line[:1] in "\t\n\r ": |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1018 accept.append(line.strip()) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1019 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1020 accept = accept + line[7:].split(',') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1021 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
|
1022 ua = self.headers.get('user-agent') |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1023 if ua: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1024 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
|
1025 co = filter(None, self.headers.get_all('cookie', [])) |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1026 if co: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1027 env['HTTP_COOKIE'] = ', '.join(co) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1028 # XXX Other HTTP_* headers |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1029 # Since we're setting the env in the parent, provide empty |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1030 # values to override previously set values |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1031 for k in ('QUERY_STRING', 'REMOTE_HOST', 'CONTENT_LENGTH', |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1032 'HTTP_USER_AGENT', 'HTTP_COOKIE', 'HTTP_REFERER'): |
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1033 env.setdefault(k, "") |
|
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1034 os.environ.update(env) |
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1035 |
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1036 self.send_response(200, "Script output follows") |
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1037 |
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1038 decoded_query = query.replace('+', ' ') |
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1039 |
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1040 if self.have_fork: |
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1041 # Unix -- fork as we should |
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1042 args = [script] |
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1043 if '=' not in decoded_query: |
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1044 args.append(decoded_query) |
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1045 nobody = nobody_uid() |
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1046 self.wfile.flush() # Always flush before forking |
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1047 pid = os.fork() |
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1048 if pid != 0: |
|
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1049 # Parent |
|
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1050 pid, sts = os.waitpid(pid, 0) |
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1051 # throw away additional data [see bug #427345] |
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1052 while select.select([self.rfile], [], [], 0)[0]: |
|
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1053 if not self.rfile.read(1): |
|
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1054 break |
|
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1055 if sts: |
|
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1056 self.log_error("CGI script exit status %#x", sts) |
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1057 return |
|
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1058 # Child |
|
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1059 try: |
|
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1060 try: |
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1061 os.setuid(nobody) |
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1062 except os.error: |
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1063 pass |
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1064 os.dup2(self.rfile.fileno(), 0) |
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1065 os.dup2(self.wfile.fileno(), 1) |
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1066 os.execve(scriptfile, args, os.environ) |
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1067 except: |
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1068 self.server.handle_error(self.request, self.client_address) |
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1069 os._exit(127) |
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1070 |
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1071 else: |
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1072 # Non-Unix -- use subprocess |
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1073 import subprocess |
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1074 cmdline = [scriptfile] |
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1075 if self.is_python(scriptfile): |
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1076 interp = sys.executable |
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1077 if interp.lower().endswith("w.exe"): |
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1078 # On Windows, use python.exe, not pythonw.exe |
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1079 interp = interp[:-5] + interp[-4:] |
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1080 cmdline = [interp, '-u'] + cmdline |
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1081 if '=' not in query: |
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1082 cmdline.append(query) |
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1083 self.log_message("command: %s", subprocess.list2cmdline(cmdline)) |
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1084 try: |
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1085 nbytes = int(length) |
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1086 except (TypeError, ValueError): |
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1087 nbytes = 0 |
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1088 p = subprocess.Popen(cmdline, |
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1089 stdin=subprocess.PIPE, |
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1090 stdout=subprocess.PIPE, |
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1091 stderr=subprocess.PIPE |
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1092 ) |
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1093 if self.command.lower() == "post" and nbytes > 0: |
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1094 data = self.rfile.read(nbytes) |
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1095 else: |
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1096 data = None |
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1097 # throw away additional data [see bug #427345] |
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1098 while select.select([self.rfile._sock], [], [], 0)[0]: |
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1099 if not self.rfile._sock.recv(1): |
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1100 break |
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1101 stdout, stderr = p.communicate(data) |
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1102 self.wfile.write(stdout) |
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1103 if stderr: |
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1104 self.log_error('%s', stderr) |
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1105 status = p.returncode |
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1106 if status: |
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1107 self.log_error("CGI script exit status %#x", status) |
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1108 else: |
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1109 self.log_message("CGI script exited OK") |
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1110 |
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1111 |
| 2887 | 1112 def test(HandlerClass = BaseHTTPRequestHandler, |
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|
1113 ServerClass = HTTPServer, protocol="HTTP/1.0"): |
| 2887 | 1114 """Test the HTTP request handler class. |
| 1115 | |
| 1116 This runs an HTTP server on port 8000 (or the first command line | |
| 1117 argument). | |
| 1118 | |
| 1119 """ | |
| 1120 | |
| 1121 if sys.argv[1:]: | |
|
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1122 port = int(sys.argv[1]) |
| 2887 | 1123 else: |
|
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1124 port = 8000 |
| 2887 | 1125 server_address = ('', port) |
| 1126 | |
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1127 HandlerClass.protocol_version = protocol |
| 2887 | 1128 httpd = ServerClass(server_address, HandlerClass) |
| 1129 | |
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1130 sa = httpd.socket.getsockname() |
|
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1131 print("Serving HTTP on", sa[0], "port", sa[1], "...") |
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1132 try: |
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1133 httpd.serve_forever() |
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1134 except KeyboardInterrupt: |
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1135 print("\nKeyboard interrupt received, exiting.") |
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1136 httpd.server_close() |
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1137 sys.exit(0) |
| 2887 | 1138 |
| 1139 if __name__ == '__main__': | |
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1140 test(HandlerClass=SimpleHTTPRequestHandler) |