Mercurial > cpython-lru_cache-weakref
annotate Lib/http/server.py @ 49790:7aaa3affecc1
Fix minor typos.
| author | Raymond Hettinger <python@rcn.com> |
|---|---|
| date | Fri, 21 Nov 2008 10:40:51 +0000 |
| parents | 69040092b8f8 |
| children | ee4a006d0171 |
| rev | line source |
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1 """HTTP server classes. |
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2 |
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3 Note: BaseHTTPRequestHandler doesn't implement any HTTP request; see |
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4 SimpleHTTPRequestHandler for simple implementations of GET, HEAD and POST, |
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5 and CGIHTTPRequestHandler for CGI scripts. |
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6 |
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7 It does, however, optionally implement HTTP/1.1 persistent connections, |
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8 as of version 0.3. |
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9 |
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10 Notes on CGIHTTPRequestHandler |
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11 ------------------------------ |
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12 |
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13 This class implements GET and POST requests to cgi-bin scripts. |
| 2887 | 14 |
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15 If the os.fork() function is not present (e.g. on Windows), |
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16 subprocess.Popen() is used as a fallback, with slightly altered semantics. |
| 2887 | 17 |
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18 In all cases, the implementation is intentionally naive -- all |
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19 requests are executed synchronously. |
| 2887 | 20 |
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21 SECURITY WARNING: DON'T USE THIS CODE UNLESS YOU ARE INSIDE A FIREWALL |
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22 -- it may execute arbitrary Python code or external programs. |
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23 |
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24 Note that status code 200 is sent prior to execution of a CGI script, so |
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25 scripts cannot send other status codes such as 302 (redirect). |
| 2887 | 26 |
| 27 XXX To do: | |
| 28 | |
| 29 - log requests even later (to capture byte count) | |
| 30 - log user-agent header and other interesting goodies | |
| 31 - send error log to separate file | |
| 32 """ | |
| 33 | |
| 34 | |
| 35 # See also: | |
| 36 # | |
| 37 # HTTP Working Group T. Berners-Lee | |
| 38 # INTERNET-DRAFT R. T. Fielding | |
| 39 # <draft-ietf-http-v10-spec-00.txt> H. Frystyk Nielsen | |
| 40 # Expires September 8, 1995 March 8, 1995 | |
| 41 # | |
| 42 # URL: http://www.ics.uci.edu/pub/ietf/http/draft-ietf-http-v10-spec-00.txt | |
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43 # |
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44 # and |
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45 # |
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46 # Network Working Group R. Fielding |
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47 # Request for Comments: 2616 et al |
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48 # Obsoletes: 2068 June 1999 |
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49 # Category: Standards Track |
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50 # |
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51 # URL: http://www.faqs.org/rfcs/rfc2616.html |
| 2887 | 52 |
| 53 # Log files | |
| 54 # --------- | |
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55 # |
| 2887 | 56 # Here's a quote from the NCSA httpd docs about log file format. |
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57 # |
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58 # | The logfile format is as follows. Each line consists of: |
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59 # | |
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60 # | host rfc931 authuser [DD/Mon/YYYY:hh:mm:ss] "request" ddd bbbb |
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61 # | |
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62 # | host: Either the DNS name or the IP number of the remote client |
| 2887 | 63 # | rfc931: Any information returned by identd for this person, |
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64 # | - otherwise. |
| 2887 | 65 # | authuser: If user sent a userid for authentication, the user name, |
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66 # | - otherwise. |
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67 # | DD: Day |
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68 # | Mon: Month (calendar name) |
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69 # | YYYY: Year |
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70 # | hh: hour (24-hour format, the machine's timezone) |
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71 # | mm: minutes |
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72 # | ss: seconds |
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73 # | request: The first line of the HTTP request as sent by the client. |
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74 # | ddd: the status code returned by the server, - if not available. |
| 2887 | 75 # | bbbb: the total number of bytes sent, |
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76 # | *not including the HTTP/1.0 header*, - if not available |
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77 # | |
| 2887 | 78 # | You can determine the name of the file accessed through request. |
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79 # |
| 2887 | 80 # (Actually, the latter is only true if you know the server configuration |
| 81 # at the time the request was made!) | |
| 82 | |
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83 __version__ = "0.6" |
| 2887 | 84 |
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85 __all__ = ["HTTPServer", "BaseHTTPRequestHandler"] |
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87 import io |
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88 import os |
| 2887 | 89 import sys |
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90 import cgi |
| 2887 | 91 import time |
| 92 import socket # For gethostbyaddr() | |
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93 import shutil |
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94 import urllib.parse |
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95 import select |
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96 import mimetypes |
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97 import posixpath |
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98 import socketserver |
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99 import email.message |
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100 import email.parser |
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102 # Default error message template |
| 2887 | 103 DEFAULT_ERROR_MESSAGE = """\ |
| 104 <head> | |
| 105 <title>Error response</title> | |
| 106 </head> | |
| 107 <body> | |
| 108 <h1>Error response</h1> | |
| 109 <p>Error code %(code)d. | |
| 110 <p>Message: %(message)s. | |
| 111 <p>Error code explanation: %(code)s = %(explain)s. | |
| 112 </body> | |
| 113 """ | |
| 114 | |
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115 DEFAULT_ERROR_CONTENT_TYPE = "text/html;charset=utf-8" |
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116 |
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117 def _quote_html(html): |
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118 return html.replace("&", "&").replace("<", "<").replace(">", ">") |
| 2887 | 119 |
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120 class HTTPServer(socketserver.TCPServer): |
| 2887 | 121 |
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122 allow_reuse_address = 1 # Seems to make sense in testing environment |
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123 |
| 2887 | 124 def server_bind(self): |
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125 """Override server_bind to store the server name.""" |
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126 socketserver.TCPServer.server_bind(self) |
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127 host, port = self.socket.getsockname()[:2] |
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128 self.server_name = socket.getfqdn(host) |
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129 self.server_port = port |
| 2887 | 130 |
| 131 | |
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132 class BaseHTTPRequestHandler(socketserver.StreamRequestHandler): |
| 2887 | 133 |
| 134 """HTTP request handler base class. | |
| 135 | |
| 136 The following explanation of HTTP serves to guide you through the | |
| 137 code as well as to expose any misunderstandings I may have about | |
| 138 HTTP (so you don't need to read the code to figure out I'm wrong | |
| 139 :-). | |
| 140 | |
| 141 HTTP (HyperText Transfer Protocol) is an extensible protocol on | |
| 142 top of a reliable stream transport (e.g. TCP/IP). The protocol | |
| 143 recognizes three parts to a request: | |
| 144 | |
| 145 1. One line identifying the request type and path | |
| 146 2. An optional set of RFC-822-style headers | |
| 147 3. An optional data part | |
| 148 | |
| 149 The headers and data are separated by a blank line. | |
| 150 | |
| 151 The first line of the request has the form | |
| 152 | |
| 153 <command> <path> <version> | |
| 154 | |
| 155 where <command> is a (case-sensitive) keyword such as GET or POST, | |
| 156 <path> is a string containing path information for the request, | |
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157 and <version> should be the string "HTTP/1.0" or "HTTP/1.1". |
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158 <path> is encoded using the URL encoding scheme (using %xx to signify |
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159 the ASCII character with hex code xx). |
| 2887 | 160 |
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161 The specification specifies that lines are separated by CRLF but |
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162 for compatibility with the widest range of clients recommends |
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163 servers also handle LF. Similarly, whitespace in the request line |
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164 is treated sensibly (allowing multiple spaces between components |
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165 and allowing trailing whitespace). |
| 2887 | 166 |
| 167 Similarly, for output, lines ought to be separated by CRLF pairs | |
| 168 but most clients grok LF characters just fine. | |
| 169 | |
| 170 If the first line of the request has the form | |
| 171 | |
| 172 <command> <path> | |
| 173 | |
| 174 (i.e. <version> is left out) then this is assumed to be an HTTP | |
| 175 0.9 request; this form has no optional headers and data part and | |
| 176 the reply consists of just the data. | |
| 177 | |
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178 The reply form of the HTTP 1.x protocol again has three parts: |
| 2887 | 179 |
| 180 1. One line giving the response code | |
| 181 2. An optional set of RFC-822-style headers | |
| 182 3. The data | |
| 183 | |
| 184 Again, the headers and data are separated by a blank line. | |
| 185 | |
| 186 The response code line has the form | |
| 187 | |
| 188 <version> <responsecode> <responsestring> | |
| 189 | |
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190 where <version> is the protocol version ("HTTP/1.0" or "HTTP/1.1"), |
| 2887 | 191 <responsecode> is a 3-digit response code indicating success or |
| 192 failure of the request, and <responsestring> is an optional | |
| 193 human-readable string explaining what the response code means. | |
| 194 | |
| 195 This server parses the request and the headers, and then calls a | |
| 196 function specific to the request type (<command>). Specifically, | |
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197 a request SPAM will be handled by a method do_SPAM(). If no |
| 2887 | 198 such method exists the server sends an error response to the |
| 199 client. If it exists, it is called with no arguments: | |
| 200 | |
| 201 do_SPAM() | |
| 202 | |
| 203 Note that the request name is case sensitive (i.e. SPAM and spam | |
| 204 are different requests). | |
| 205 | |
| 206 The various request details are stored in instance variables: | |
| 207 | |
| 208 - client_address is the client IP address in the form (host, | |
| 209 port); | |
| 210 | |
| 211 - command, path and version are the broken-down request line; | |
| 212 | |
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213 - headers is an instance of email.message.Message (or a derived |
| 2887 | 214 class) containing the header information; |
| 215 | |
| 216 - rfile is a file object open for reading positioned at the | |
| 217 start of the optional input data part; | |
| 218 | |
| 219 - wfile is a file object open for writing. | |
| 220 | |
| 221 IT IS IMPORTANT TO ADHERE TO THE PROTOCOL FOR WRITING! | |
| 222 | |
| 223 The first thing to be written must be the response line. Then | |
| 224 follow 0 or more header lines, then a blank line, and then the | |
| 225 actual data (if any). The meaning of the header lines depends on | |
| 226 the command executed by the server; in most cases, when data is | |
| 227 returned, there should be at least one header line of the form | |
| 228 | |
| 229 Content-type: <type>/<subtype> | |
| 230 | |
| 231 where <type> and <subtype> should be registered MIME types, | |
| 232 e.g. "text/html" or "text/plain". | |
| 233 | |
| 234 """ | |
| 235 | |
| 236 # The Python system version, truncated to its first component. | |
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237 sys_version = "Python/" + sys.version.split()[0] |
| 2887 | 238 |
| 239 # The server software version. You may want to override this. | |
| 240 # The format is multiple whitespace-separated strings, | |
| 241 # where each string is of the form name[/version]. | |
| 242 server_version = "BaseHTTP/" + __version__ | |
| 243 | |
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244 error_message_format = DEFAULT_ERROR_MESSAGE |
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245 error_content_type = DEFAULT_ERROR_CONTENT_TYPE |
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246 |
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247 # The default request version. This only affects responses up until |
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248 # the point where the request line is parsed, so it mainly decides what |
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249 # the client gets back when sending a malformed request line. |
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250 # Most web servers default to HTTP 0.9, i.e. don't send a status line. |
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251 default_request_version = "HTTP/0.9" |
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252 |
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253 def parse_request(self): |
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254 """Parse a request (internal). |
| 2887 | 255 |
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256 The request should be stored in self.raw_requestline; the results |
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257 are in self.command, self.path, self.request_version and |
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258 self.headers. |
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259 |
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260 Return True for success, False for failure; on failure, an |
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261 error is sent back. |
| 2887 | 262 |
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263 """ |
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264 self.command = None # set in case of error on the first line |
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265 self.request_version = version = self.default_request_version |
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266 self.close_connection = 1 |
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267 requestline = str(self.raw_requestline, 'iso-8859-1') |
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268 if requestline[-2:] == '\r\n': |
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269 requestline = requestline[:-2] |
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270 elif requestline[-1:] == '\n': |
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271 requestline = requestline[:-1] |
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272 self.requestline = requestline |
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273 words = requestline.split() |
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274 if len(words) == 3: |
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275 [command, path, version] = words |
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276 if version[:5] != 'HTTP/': |
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277 self.send_error(400, "Bad request version (%r)" % version) |
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278 return False |
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279 try: |
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280 base_version_number = version.split('/', 1)[1] |
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281 version_number = base_version_number.split(".") |
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282 # RFC 2145 section 3.1 says there can be only one "." and |
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283 # - major and minor numbers MUST be treated as |
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284 # separate integers; |
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285 # - HTTP/2.4 is a lower version than HTTP/2.13, which in |
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286 # turn is lower than HTTP/12.3; |
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287 # - Leading zeros MUST be ignored by recipients. |
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288 if len(version_number) != 2: |
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289 raise ValueError |
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290 version_number = int(version_number[0]), int(version_number[1]) |
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291 except (ValueError, IndexError): |
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292 self.send_error(400, "Bad request version (%r)" % version) |
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293 return False |
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294 if version_number >= (1, 1) and self.protocol_version >= "HTTP/1.1": |
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295 self.close_connection = 0 |
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296 if version_number >= (2, 0): |
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297 self.send_error(505, |
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298 "Invalid HTTP Version (%s)" % base_version_number) |
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299 return False |
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300 elif len(words) == 2: |
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301 [command, path] = words |
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302 self.close_connection = 1 |
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303 if command != 'GET': |
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304 self.send_error(400, |
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305 "Bad HTTP/0.9 request type (%r)" % command) |
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306 return False |
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307 elif not words: |
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308 return False |
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309 else: |
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310 self.send_error(400, "Bad request syntax (%r)" % requestline) |
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311 return False |
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312 self.command, self.path, self.request_version = command, path, version |
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313 |
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314 # Examine the headers and look for a Connection directive. |
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315 |
| 47657 | 316 # MessageClass wants to see strings rather than bytes. |
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317 # But a TextIOWrapper around self.rfile would buffer too many bytes |
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318 # from the stream, bytes which we later need to read as bytes. |
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319 # So we read the correct bytes here, as bytes, then use StringIO |
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320 # to make them look like strings for MessageClass to parse. |
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321 headers = [] |
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322 while True: |
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323 line = self.rfile.readline() |
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324 headers.append(line) |
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325 if line in (b'\r\n', b'\n', b''): |
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326 break |
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327 hfile = io.StringIO(b''.join(headers).decode('iso-8859-1')) |
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328 self.headers = email.parser.Parser(_class=self.MessageClass).parse(hfile) |
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329 |
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330 conntype = self.headers.get('Connection', "") |
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331 if conntype.lower() == 'close': |
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332 self.close_connection = 1 |
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333 elif (conntype.lower() == 'keep-alive' and |
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334 self.protocol_version >= "HTTP/1.1"): |
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335 self.close_connection = 0 |
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336 return True |
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337 |
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338 def handle_one_request(self): |
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339 """Handle a single HTTP request. |
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340 |
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341 You normally don't need to override this method; see the class |
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342 __doc__ string for information on how to handle specific HTTP |
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343 commands such as GET and POST. |
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344 |
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345 """ |
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346 self.raw_requestline = self.rfile.readline() |
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347 if not self.raw_requestline: |
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348 self.close_connection = 1 |
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349 return |
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350 if not self.parse_request(): # An error code has been sent, just exit |
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351 return |
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352 mname = 'do_' + self.command |
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353 if not hasattr(self, mname): |
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354 self.send_error(501, "Unsupported method (%r)" % self.command) |
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355 return |
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356 method = getattr(self, mname) |
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357 method() |
| 2887 | 358 |
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359 def handle(self): |
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360 """Handle multiple requests if necessary.""" |
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361 self.close_connection = 1 |
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362 |
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363 self.handle_one_request() |
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364 while not self.close_connection: |
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365 self.handle_one_request() |
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366 |
| 2887 | 367 def send_error(self, code, message=None): |
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368 """Send and log an error reply. |
| 2887 | 369 |
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370 Arguments are the error code, and a detailed message. |
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371 The detailed message defaults to the short entry matching the |
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372 response code. |
| 2887 | 373 |
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374 This sends an error response (so it must be called before any |
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375 output has been generated), logs the error, and finally sends |
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376 a piece of HTML explaining the error to the user. |
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378 """ |
| 2887 | 379 |
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380 try: |
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381 shortmsg, longmsg = self.responses[code] |
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382 except KeyError: |
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383 shortmsg, longmsg = '???', '???' |
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384 if message is None: |
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385 message = shortmsg |
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386 explain = longmsg |
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387 self.log_error("code %d, message %s", code, message) |
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388 # using _quote_html to prevent Cross Site Scripting attacks (see bug #1100201) |
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389 content = (self.error_message_format % |
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390 {'code': code, 'message': _quote_html(message), 'explain': explain}) |
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391 self.send_response(code, message) |
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392 self.send_header("Content-Type", self.error_content_type) |
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393 self.send_header('Connection', 'close') |
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394 self.end_headers() |
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395 if self.command != 'HEAD' and code >= 200 and code not in (204, 304): |
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396 self.wfile.write(content.encode('UTF-8', 'replace')) |
| 2887 | 397 |
| 398 def send_response(self, code, message=None): | |
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399 """Send the response header and log the response code. |
| 2887 | 400 |
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401 Also send two standard headers with the server software |
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402 version and the current date. |
| 2887 | 403 |
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404 """ |
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405 self.log_request(code) |
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406 if message is None: |
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407 if code in self.responses: |
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408 message = self.responses[code][0] |
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409 else: |
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410 message = '' |
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411 if self.request_version != 'HTTP/0.9': |
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412 self.wfile.write(("%s %d %s\r\n" % |
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413 (self.protocol_version, code, message)).encode('ASCII', 'strict')) |
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414 # print (self.protocol_version, code, message) |
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415 self.send_header('Server', self.version_string()) |
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416 self.send_header('Date', self.date_time_string()) |
| 2887 | 417 |
| 418 def send_header(self, keyword, value): | |
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419 """Send a MIME header.""" |
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420 if self.request_version != 'HTTP/0.9': |
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421 self.wfile.write(("%s: %s\r\n" % (keyword, value)).encode('ASCII', 'strict')) |
| 2887 | 422 |
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423 if keyword.lower() == 'connection': |
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424 if value.lower() == 'close': |
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425 self.close_connection = 1 |
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426 elif value.lower() == 'keep-alive': |
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427 self.close_connection = 0 |
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428 |
| 2887 | 429 def end_headers(self): |
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430 """Send the blank line ending the MIME headers.""" |
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431 if self.request_version != 'HTTP/0.9': |
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432 self.wfile.write(b"\r\n") |
| 2887 | 433 |
| 434 def log_request(self, code='-', size='-'): | |
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435 """Log an accepted request. |
| 2887 | 436 |
| 36879 | 437 This is called by send_response(). |
| 2887 | 438 |
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439 """ |
| 2887 | 440 |
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441 self.log_message('"%s" %s %s', |
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442 self.requestline, str(code), str(size)) |
| 2887 | 443 |
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444 def log_error(self, format, *args): |
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445 """Log an error. |
| 2887 | 446 |
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447 This is called when a request cannot be fulfilled. By |
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448 default it passes the message on to log_message(). |
| 2887 | 449 |
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450 Arguments are the same as for log_message(). |
| 2887 | 451 |
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452 XXX This should go to the separate error log. |
| 2887 | 453 |
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454 """ |
| 2887 | 455 |
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456 self.log_message(format, *args) |
| 2887 | 457 |
| 458 def log_message(self, format, *args): | |
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459 """Log an arbitrary message. |
| 2887 | 460 |
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461 This is used by all other logging functions. Override |
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462 it if you have specific logging wishes. |
| 2887 | 463 |
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464 The first argument, FORMAT, is a format string for the |
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465 message to be logged. If the format string contains |
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466 any % escapes requiring parameters, they should be |
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467 specified as subsequent arguments (it's just like |
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468 printf!). |
| 2887 | 469 |
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470 The client host and current date/time are prefixed to |
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471 every message. |
| 2887 | 472 |
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473 """ |
| 2887 | 474 |
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475 sys.stderr.write("%s - - [%s] %s\n" % |
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476 (self.address_string(), |
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477 self.log_date_time_string(), |
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478 format%args)) |
| 2887 | 479 |
| 480 def version_string(self): | |
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481 """Return the server software version string.""" |
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482 return self.server_version + ' ' + self.sys_version |
| 2887 | 483 |
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484 def date_time_string(self, timestamp=None): |
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485 """Return the current date and time formatted for a message header.""" |
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486 if timestamp is None: |
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487 timestamp = time.time() |
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488 year, month, day, hh, mm, ss, wd, y, z = time.gmtime(timestamp) |
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489 s = "%s, %02d %3s %4d %02d:%02d:%02d GMT" % ( |
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490 self.weekdayname[wd], |
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491 day, self.monthname[month], year, |
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492 hh, mm, ss) |
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493 return s |
| 2887 | 494 |
| 495 def log_date_time_string(self): | |
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496 """Return the current time formatted for logging.""" |
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497 now = time.time() |
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498 year, month, day, hh, mm, ss, x, y, z = time.localtime(now) |
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499 s = "%02d/%3s/%04d %02d:%02d:%02d" % ( |
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500 day, self.monthname[month], year, hh, mm, ss) |
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501 return s |
| 2887 | 502 |
| 503 weekdayname = ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'] | |
| 504 | |
| 505 monthname = [None, | |
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506 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', |
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507 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'] |
| 2887 | 508 |
| 509 def address_string(self): | |
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510 """Return the client address formatted for logging. |
| 2887 | 511 |
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512 This version looks up the full hostname using gethostbyaddr(), |
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513 and tries to find a name that contains at least one dot. |
| 2887 | 514 |
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515 """ |
| 2887 | 516 |
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517 host, port = self.client_address[:2] |
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518 return socket.getfqdn(host) |
| 2887 | 519 |
| 520 # Essentially static class variables | |
| 521 | |
| 522 # The version of the HTTP protocol we support. | |
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523 # Set this to HTTP/1.1 to enable automatic keepalive |
| 2887 | 524 protocol_version = "HTTP/1.0" |
| 525 | |
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526 # MessageClass used to parse headers |
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527 import http.client |
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528 MessageClass = http.client.HTTPMessage |
| 2887 | 529 |
| 530 # Table mapping response codes to messages; entries have the | |
| 531 # form {code: (shortmessage, longmessage)}. | |
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532 # See RFC 2616. |
| 2887 | 533 responses = { |
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534 100: ('Continue', 'Request received, please continue'), |
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535 101: ('Switching Protocols', |
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536 'Switching to new protocol; obey Upgrade header'), |
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537 |
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538 200: ('OK', 'Request fulfilled, document follows'), |
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539 201: ('Created', 'Document created, URL follows'), |
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540 202: ('Accepted', |
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541 'Request accepted, processing continues off-line'), |
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542 203: ('Non-Authoritative Information', 'Request fulfilled from cache'), |
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543 204: ('No Content', 'Request fulfilled, nothing follows'), |
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|
544 205: ('Reset Content', 'Clear input form for further input.'), |
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545 206: ('Partial Content', 'Partial content follows.'), |
|
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546 |
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547 300: ('Multiple Choices', |
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548 'Object has several resources -- see URI list'), |
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549 301: ('Moved Permanently', 'Object moved permanently -- see URI list'), |
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550 302: ('Found', 'Object moved temporarily -- see URI list'), |
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551 303: ('See Other', 'Object moved -- see Method and URL list'), |
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552 304: ('Not Modified', |
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553 'Document has not changed since given time'), |
|
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554 305: ('Use Proxy', |
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555 'You must use proxy specified in Location to access this ' |
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556 'resource.'), |
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557 307: ('Temporary Redirect', |
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|
558 'Object moved temporarily -- see URI list'), |
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559 |
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560 400: ('Bad Request', |
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561 'Bad request syntax or unsupported method'), |
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562 401: ('Unauthorized', |
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563 'No permission -- see authorization schemes'), |
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564 402: ('Payment Required', |
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565 'No payment -- see charging schemes'), |
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566 403: ('Forbidden', |
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567 'Request forbidden -- authorization will not help'), |
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568 404: ('Not Found', 'Nothing matches the given URI'), |
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569 405: ('Method Not Allowed', |
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570 'Specified method is invalid for this server.'), |
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571 406: ('Not Acceptable', 'URI not available in preferred format.'), |
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572 407: ('Proxy Authentication Required', 'You must authenticate with ' |
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573 'this proxy before proceeding.'), |
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574 408: ('Request Timeout', 'Request timed out; try again later.'), |
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575 409: ('Conflict', 'Request conflict.'), |
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576 410: ('Gone', |
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577 'URI no longer exists and has been permanently removed.'), |
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578 411: ('Length Required', 'Client must specify Content-Length.'), |
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579 412: ('Precondition Failed', 'Precondition in headers is false.'), |
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580 413: ('Request Entity Too Large', 'Entity is too large.'), |
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581 414: ('Request-URI Too Long', 'URI is too long.'), |
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582 415: ('Unsupported Media Type', 'Entity body in unsupported format.'), |
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583 416: ('Requested Range Not Satisfiable', |
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584 'Cannot satisfy request range.'), |
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585 417: ('Expectation Failed', |
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586 'Expect condition could not be satisfied.'), |
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587 |
|
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588 500: ('Internal Server Error', 'Server got itself in trouble'), |
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589 501: ('Not Implemented', |
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590 'Server does not support this operation'), |
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591 502: ('Bad Gateway', 'Invalid responses from another server/proxy.'), |
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592 503: ('Service Unavailable', |
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593 'The server cannot process the request due to a high load'), |
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|
594 504: ('Gateway Timeout', |
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595 'The gateway server did not receive a timely response'), |
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596 505: ('HTTP Version Not Supported', 'Cannot fulfill request.'), |
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597 } |
| 2887 | 598 |
| 599 | |
|
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600 class SimpleHTTPRequestHandler(BaseHTTPRequestHandler): |
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601 |
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|
602 """Simple HTTP request handler with GET and HEAD commands. |
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603 |
|
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604 This serves files from the current directory and any of its |
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|
605 subdirectories. The MIME type for files is determined by |
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606 calling the .guess_type() method. |
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|
607 |
|
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608 The GET and HEAD requests are identical except that the HEAD |
|
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609 request omits the actual contents of the file. |
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|
610 |
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611 """ |
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612 |
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613 server_version = "SimpleHTTP/" + __version__ |
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614 |
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615 def do_GET(self): |
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616 """Serve a GET request.""" |
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617 f = self.send_head() |
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618 if f: |
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619 self.copyfile(f, self.wfile) |
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620 f.close() |
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621 |
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622 def do_HEAD(self): |
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623 """Serve a HEAD request.""" |
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624 f = self.send_head() |
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625 if f: |
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626 f.close() |
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627 |
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628 def send_head(self): |
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629 """Common code for GET and HEAD commands. |
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630 |
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631 This sends the response code and MIME headers. |
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632 |
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633 Return value is either a file object (which has to be copied |
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634 to the outputfile by the caller unless the command was HEAD, |
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635 and must be closed by the caller under all circumstances), or |
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636 None, in which case the caller has nothing further to do. |
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637 |
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638 """ |
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639 path = self.translate_path(self.path) |
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640 f = None |
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641 if os.path.isdir(path): |
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642 if not self.path.endswith('/'): |
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643 # redirect browser - doing basically what apache does |
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644 self.send_response(301) |
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645 self.send_header("Location", self.path + "/") |
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646 self.end_headers() |
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647 return None |
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648 for index in "index.html", "index.htm": |
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649 index = os.path.join(path, index) |
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650 if os.path.exists(index): |
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651 path = index |
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652 break |
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653 else: |
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654 return self.list_directory(path) |
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655 ctype = self.guess_type(path) |
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656 try: |
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657 f = open(path, 'rb') |
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658 except IOError: |
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659 self.send_error(404, "File not found") |
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660 return None |
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661 self.send_response(200) |
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662 self.send_header("Content-type", ctype) |
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663 fs = os.fstat(f.fileno()) |
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664 self.send_header("Content-Length", str(fs[6])) |
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665 self.send_header("Last-Modified", self.date_time_string(fs.st_mtime)) |
|
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666 self.end_headers() |
|
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667 return f |
|
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|
668 |
|
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|
669 def list_directory(self, path): |
|
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670 """Helper to produce a directory listing (absent index.html). |
|
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671 |
|
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672 Return value is either a file object, or None (indicating an |
|
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673 error). In either case, the headers are sent, making the |
|
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674 interface the same as for send_head(). |
|
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|
675 |
|
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|
676 """ |
|
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|
677 try: |
|
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678 list = os.listdir(path) |
|
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|
679 except os.error: |
|
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680 self.send_error(404, "No permission to list directory") |
|
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681 return None |
|
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682 list.sort(key=lambda a: a.lower()) |
|
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683 r = [] |
|
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|
684 displaypath = cgi.escape(urllib.parse.unquote(self.path)) |
|
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685 r.append('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">') |
|
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686 r.append("<html>\n<title>Directory listing for %s</title>\n" % displaypath) |
|
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|
687 r.append("<body>\n<h2>Directory listing for %s</h2>\n" % displaypath) |
|
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688 r.append("<hr>\n<ul>\n") |
|
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689 for name in list: |
|
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690 fullname = os.path.join(path, name) |
|
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691 displayname = linkname = name |
|
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692 # Append / for directories or @ for symbolic links |
|
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693 if os.path.isdir(fullname): |
|
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694 displayname = name + "/" |
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695 linkname = name + "/" |
|
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696 if os.path.islink(fullname): |
|
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|
697 displayname = name + "@" |
|
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698 # Note: a link to a directory displays with @ and links with / |
|
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699 r.append('<li><a href="%s">%s</a>\n' |
|
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|
700 % (urllib.parse.quote(linkname), cgi.escape(displayname))) |
|
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|
701 r.append("</ul>\n<hr>\n</body>\n</html>\n") |
|
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702 enc = sys.getfilesystemencoding() |
|
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703 encoded = ''.join(r).encode(enc) |
|
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704 f = io.BytesIO() |
|
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|
705 f.write(encoded) |
|
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|
706 f.seek(0) |
|
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|
707 self.send_response(200) |
|
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|
708 self.send_header("Content-type", "text/html; charset=%s" % enc) |
|
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709 self.send_header("Content-Length", str(len(encoded))) |
|
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|
710 self.end_headers() |
|
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|
711 return f |
|
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|
712 |
|
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|
713 def translate_path(self, path): |
|
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|
714 """Translate a /-separated PATH to the local filename syntax. |
|
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|
715 |
|
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|
716 Components that mean special things to the local file system |
|
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|
717 (e.g. drive or directory names) are ignored. (XXX They should |
|
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|
718 probably be diagnosed.) |
|
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|
719 |
|
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|
720 """ |
|
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|
721 # abandon query parameters |
|
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|
722 path = path.split('?',1)[0] |
|
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|
723 path = path.split('#',1)[0] |
|
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Make a new urllib package .
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|
724 path = posixpath.normpath(urllib.parse.unquote(path)) |
|
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|
725 words = path.split('/') |
|
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|
726 words = filter(None, words) |
|
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|
727 path = os.getcwd() |
|
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|
728 for word in words: |
|
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changeset
|
729 drive, word = os.path.splitdrive(word) |
|
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changeset
|
730 head, word = os.path.split(word) |
|
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Create http package. #2883.
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changeset
|
731 if word in (os.curdir, os.pardir): continue |
|
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Create http package. #2883.
Georg Brandl <georg@python.org>
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|
732 path = os.path.join(path, word) |
|
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|
733 return path |
|
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changeset
|
734 |
|
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changeset
|
735 def copyfile(self, source, outputfile): |
|
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changeset
|
736 """Copy all data between two file objects. |
|
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changeset
|
737 |
|
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diff
changeset
|
738 The SOURCE argument is a file object open for reading |
|
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changeset
|
739 (or anything with a read() method) and the DESTINATION |
|
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changeset
|
740 argument is a file object open for writing (or |
|
e1fcc3881cb6
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changeset
|
741 anything with a write() method). |
|
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Create http package. #2883.
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changeset
|
742 |
|
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diff
changeset
|
743 The only reason for overriding this would be to change |
|
e1fcc3881cb6
Create http package. #2883.
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changeset
|
744 the block size or perhaps to replace newlines by CRLF |
|
e1fcc3881cb6
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|
745 -- note however that this the default server uses this |
|
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changeset
|
746 to copy binary data as well. |
|
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changeset
|
747 |
|
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diff
changeset
|
748 """ |
|
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changeset
|
749 shutil.copyfileobj(source, outputfile) |
|
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Create http package. #2883.
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changeset
|
750 |
|
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diff
changeset
|
751 def guess_type(self, path): |
|
e1fcc3881cb6
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Georg Brandl <georg@python.org>
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changeset
|
752 """Guess the type of a file. |
|
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changeset
|
753 |
|
e1fcc3881cb6
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Georg Brandl <georg@python.org>
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diff
changeset
|
754 Argument is a PATH (a filename). |
|
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Create http package. #2883.
Georg Brandl <georg@python.org>
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changeset
|
755 |
|
e1fcc3881cb6
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diff
changeset
|
756 Return value is a string of the form type/subtype, |
|
e1fcc3881cb6
Create http package. #2883.
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changeset
|
757 usable for a MIME Content-type header. |
|
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Create http package. #2883.
Georg Brandl <georg@python.org>
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diff
changeset
|
758 |
|
e1fcc3881cb6
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changeset
|
759 The default implementation looks the file's extension |
|
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changeset
|
760 up in the table self.extensions_map, using application/octet-stream |
|
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changeset
|
761 as a default; however it would be permissible (if |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
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changeset
|
762 slow) to look inside the data to make a better guess. |
|
e1fcc3881cb6
Create http package. #2883.
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diff
changeset
|
763 |
|
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diff
changeset
|
764 """ |
|
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Create http package. #2883.
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diff
changeset
|
765 |
|
e1fcc3881cb6
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diff
changeset
|
766 base, ext = posixpath.splitext(path) |
|
e1fcc3881cb6
Create http package. #2883.
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diff
changeset
|
767 if ext in self.extensions_map: |
|
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diff
changeset
|
768 return self.extensions_map[ext] |
|
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changeset
|
769 ext = ext.lower() |
|
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changeset
|
770 if ext in self.extensions_map: |
|
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Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
771 return self.extensions_map[ext] |
|
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diff
changeset
|
772 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
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diff
changeset
|
773 return self.extensions_map[''] |
|
e1fcc3881cb6
Create http package. #2883.
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diff
changeset
|
774 |
|
e1fcc3881cb6
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parents:
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diff
changeset
|
775 if not mimetypes.inited: |
|
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diff
changeset
|
776 mimetypes.init() # try to read system mime.types |
|
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changeset
|
777 extensions_map = mimetypes.types_map.copy() |
|
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Create http package. #2883.
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diff
changeset
|
778 extensions_map.update({ |
|
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diff
changeset
|
779 '': 'application/octet-stream', # Default |
|
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Create http package. #2883.
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changeset
|
780 '.py': 'text/plain', |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
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diff
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|
781 '.c': 'text/plain', |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
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diff
changeset
|
782 '.h': 'text/plain', |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
783 }) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
784 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
785 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
786 # Utilities for CGIHTTPRequestHandler |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
787 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
788 nobody = None |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
789 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
790 def nobody_uid(): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
791 """Internal routine to get nobody's uid""" |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
792 global nobody |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
793 if nobody: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
794 return nobody |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
795 try: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
796 import pwd |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
797 except ImportError: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
798 return -1 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
799 try: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
800 nobody = pwd.getpwnam('nobody')[2] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
801 except KeyError: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
802 nobody = 1 + max(map(lambda x: x[2], pwd.getpwall())) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
803 return nobody |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
804 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
805 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
806 def executable(path): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
807 """Test for executable file.""" |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
808 try: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
809 st = os.stat(path) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
810 except os.error: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
811 return False |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
812 return st.st_mode & 0o111 != 0 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
813 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
814 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
815 class CGIHTTPRequestHandler(SimpleHTTPRequestHandler): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
816 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
817 """Complete HTTP server with GET, HEAD and POST commands. |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
818 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
819 GET and HEAD also support running CGI scripts. |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
820 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
821 The POST command is *only* implemented for CGI scripts. |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
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diff
changeset
|
822 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
823 """ |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
824 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
825 # Determine platform specifics |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
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diff
changeset
|
826 have_fork = hasattr(os, 'fork') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
827 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
828 # Make rfile unbuffered -- we need to read one line and then pass |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
829 # the rest to a subprocess, so we can't use buffered input. |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
830 rbufsize = 0 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
831 |
|
e1fcc3881cb6
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Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
832 def do_POST(self): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
833 """Serve a POST request. |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
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diff
changeset
|
834 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
835 This is only implemented for CGI scripts. |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
836 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
837 """ |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
838 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
839 if self.is_cgi(): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
840 self.run_cgi() |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
841 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
842 self.send_error(501, "Can only POST to CGI scripts") |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
843 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
844 def send_head(self): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
845 """Version of send_head that support CGI scripts""" |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
846 if self.is_cgi(): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
847 return self.run_cgi() |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
848 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
849 return SimpleHTTPRequestHandler.send_head(self) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
850 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
851 def is_cgi(self): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
852 """Test whether self.path corresponds to a CGI script. |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
853 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
854 Return a tuple (dir, rest) if self.path requires running a |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
855 CGI script, None if not. Note that rest begins with a |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
856 slash if it is not empty. |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
857 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
858 The default implementation tests whether the path |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
859 begins with one of the strings in the list |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
860 self.cgi_directories (and the next character is a '/' |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
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diff
changeset
|
861 or the end of the string). |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
862 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
863 """ |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
864 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
865 path = self.path |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
866 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
867 for x in self.cgi_directories: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
868 i = len(x) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
869 if path[:i] == x and (not path[i:] or path[i] == '/'): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
870 self.cgi_info = path[:i], path[i+1:] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
871 return True |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
872 return False |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
873 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
874 cgi_directories = ['/cgi-bin', '/htbin'] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
875 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
876 def is_executable(self, path): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
877 """Test whether argument path is an executable file.""" |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
878 return executable(path) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
879 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
880 def is_python(self, path): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
881 """Test whether argument path is a Python script.""" |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
882 head, tail = os.path.splitext(path) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
883 return tail.lower() in (".py", ".pyw") |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
884 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
885 def run_cgi(self): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
886 """Execute a CGI script.""" |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
887 path = self.path |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
888 dir, rest = self.cgi_info |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
889 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
890 i = path.find('/', len(dir) + 1) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
891 while i >= 0: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
892 nextdir = path[:i] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
893 nextrest = path[i+1:] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
894 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
895 scriptdir = self.translate_path(nextdir) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
896 if os.path.isdir(scriptdir): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
897 dir, rest = nextdir, nextrest |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
898 i = path.find('/', len(dir) + 1) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
899 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
900 break |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
901 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
902 # find an explicit query string, if present. |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
903 i = rest.rfind('?') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
904 if i >= 0: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
905 rest, query = rest[:i], rest[i+1:] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
906 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
907 query = '' |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
908 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
909 # 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
|
910 # a possible additional path, to be stored in PATH_INFO. |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
911 i = rest.find('/') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
912 if i >= 0: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
913 script, rest = rest[:i], rest[i:] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
914 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
915 script, rest = rest, '' |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
916 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
917 scriptname = dir + '/' + script |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
918 scriptfile = self.translate_path(scriptname) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
919 if not os.path.exists(scriptfile): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
920 self.send_error(404, "No such CGI script (%r)" % scriptname) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
921 return |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
922 if not os.path.isfile(scriptfile): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
923 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
|
924 scriptname) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
925 return |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
926 ispy = self.is_python(scriptname) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
927 if not ispy: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
928 if not self.is_executable(scriptfile): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
929 self.send_error(403, "CGI script is not executable (%r)" % |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
930 scriptname) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
931 return |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
932 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
933 # Reference: http://hoohoo.ncsa.uiuc.edu/cgi/env.html |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
934 # 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
|
935 env = {} |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
936 env['SERVER_SOFTWARE'] = self.version_string() |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
937 env['SERVER_NAME'] = self.server.server_name |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
938 env['GATEWAY_INTERFACE'] = 'CGI/1.1' |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
939 env['SERVER_PROTOCOL'] = self.protocol_version |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
940 env['SERVER_PORT'] = str(self.server.server_port) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
941 env['REQUEST_METHOD'] = self.command |
|
48334
5a416a6417d3
Make a new urllib package .
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
47657
diff
changeset
|
942 uqrest = urllib.parse.unquote(rest) |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
943 env['PATH_INFO'] = uqrest |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
944 env['PATH_TRANSLATED'] = self.translate_path(uqrest) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
945 env['SCRIPT_NAME'] = scriptname |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
946 if query: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
947 env['QUERY_STRING'] = query |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
948 host = self.address_string() |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
949 if host != self.client_address[0]: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
950 env['REMOTE_HOST'] = host |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
951 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
|
952 authorization = self.headers.get("authorization") |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
953 if authorization: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
954 authorization = authorization.split() |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
955 if len(authorization) == 2: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
956 import base64, binascii |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
957 env['AUTH_TYPE'] = authorization[0] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
958 if authorization[0].lower() == "basic": |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
959 try: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
960 authorization = authorization[1].encode('ascii') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
961 authorization = base64.decodestring(authorization).\ |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
962 decode('ascii') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
963 except (binascii.Error, UnicodeError): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
964 pass |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
965 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
966 authorization = authorization.split(':') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
967 if len(authorization) == 2: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
968 env['REMOTE_USER'] = authorization[0] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
969 # 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
|
970 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
|
971 env['CONTENT_TYPE'] = self.headers.get_content_type() |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
972 else: |
|
47635
f31e32a2013c
Patch for issue 2848, mostly by Humberto Diogenes, with a couple of
Barry Warsaw <barry@python.org>
parents:
47318
diff
changeset
|
973 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
|
974 length = self.headers.get('content-length') |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
975 if length: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
976 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
|
977 referer = self.headers.get('referer') |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
978 if referer: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
979 env['HTTP_REFERER'] = referer |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
980 accept = [] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
981 for line in self.headers.getallmatchingheaders('accept'): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
982 if line[:1] in "\t\n\r ": |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
983 accept.append(line.strip()) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
984 else: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
985 accept = accept + line[7:].split(',') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
986 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
|
987 ua = self.headers.get('user-agent') |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
988 if ua: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
989 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
|
990 co = filter(None, self.headers.get_all('cookie', [])) |
|
47318
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
991 if co: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
992 env['HTTP_COOKIE'] = ', '.join(co) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
993 # XXX Other HTTP_* headers |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
994 # 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
|
995 # values to override previously set values |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
996 for k in ('QUERY_STRING', 'REMOTE_HOST', 'CONTENT_LENGTH', |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
997 'HTTP_USER_AGENT', 'HTTP_COOKIE', 'HTTP_REFERER'): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
998 env.setdefault(k, "") |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
999 os.environ.update(env) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1000 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1001 self.send_response(200, "Script output follows") |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1002 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1003 decoded_query = query.replace('+', ' ') |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1004 |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1005 if self.have_fork: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1006 # Unix -- fork as we should |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1007 args = [script] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1008 if '=' not in decoded_query: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1009 args.append(decoded_query) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1010 nobody = nobody_uid() |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1011 self.wfile.flush() # Always flush before forking |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1012 pid = os.fork() |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1013 if pid != 0: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1014 # Parent |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1015 pid, sts = os.waitpid(pid, 0) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1016 # throw away additional data [see bug #427345] |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1017 while select.select([self.rfile], [], [], 0)[0]: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1018 if not self.rfile.read(1): |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1019 break |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1020 if sts: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1021 self.log_error("CGI script exit status %#x", sts) |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1022 return |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1023 # Child |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1024 try: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1025 try: |
|
e1fcc3881cb6
Create http package. #2883.
Georg Brandl <georg@python.org>
parents:
47278
diff
changeset
|
1026 os.setuid(nobody) |
|
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1027 except os.error: |
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1028 pass |
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1029 os.dup2(self.rfile.fileno(), 0) |
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1030 os.dup2(self.wfile.fileno(), 1) |
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1031 os.execve(scriptfile, args, os.environ) |
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1032 except: |
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1033 self.server.handle_error(self.request, self.client_address) |
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1034 os._exit(127) |
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1035 |
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1036 else: |
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1037 # Non-Unix -- use subprocess |
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1038 import subprocess |
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1039 cmdline = scriptfile |
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1040 if self.is_python(scriptfile): |
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1041 interp = sys.executable |
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1042 if interp.lower().endswith("w.exe"): |
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1043 # On Windows, use python.exe, not pythonw.exe |
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1044 interp = interp[:-5] + interp[-4:] |
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1045 cmdline = "%s -u %s" % (interp, cmdline) |
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1046 if '=' not in query and '"' not in query: |
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1047 cmdline = '%s "%s"' % (cmdline, query) |
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1048 self.log_message("command: %s", cmdline) |
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1049 try: |
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1050 nbytes = int(length) |
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1051 except (TypeError, ValueError): |
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1052 nbytes = 0 |
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1053 p = subprocess.Popen(cmdline, |
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1054 stdin=subprocess.PIPE, |
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1055 stdout=subprocess.PIPE, |
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1056 stderr=subprocess.PIPE, |
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1057 ) |
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1058 if self.command.lower() == "post" and nbytes > 0: |
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1059 data = self.rfile.read(nbytes) |
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1060 else: |
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1061 data = None |
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1062 # throw away additional data [see bug #427345] |
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1063 while select.select([self.rfile._sock], [], [], 0)[0]: |
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1064 if not self.rfile._sock.recv(1): |
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1065 break |
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1066 stdout, stderr = p.communicate(data) |
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1067 self.wfile.write(stdout) |
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1068 if stderr: |
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1069 self.log_error('%s', stderr) |
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1070 status = p.returncode |
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1071 if status: |
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1072 self.log_error("CGI script exit status %#x", status) |
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1073 else: |
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1074 self.log_message("CGI script exited OK") |
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1075 |
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1076 |
| 2887 | 1077 def test(HandlerClass = BaseHTTPRequestHandler, |
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|
1078 ServerClass = HTTPServer, protocol="HTTP/1.0"): |
| 2887 | 1079 """Test the HTTP request handler class. |
| 1080 | |
| 1081 This runs an HTTP server on port 8000 (or the first command line | |
| 1082 argument). | |
| 1083 | |
| 1084 """ | |
| 1085 | |
| 1086 if sys.argv[1:]: | |
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1087 port = int(sys.argv[1]) |
| 2887 | 1088 else: |
|
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|
1089 port = 8000 |
| 2887 | 1090 server_address = ('', port) |
| 1091 | |
|
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1092 HandlerClass.protocol_version = protocol |
| 2887 | 1093 httpd = ServerClass(server_address, HandlerClass) |
| 1094 | |
|
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1095 sa = httpd.socket.getsockname() |
|
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|
1096 print("Serving HTTP on", sa[0], "port", sa[1], "...") |
| 2887 | 1097 httpd.serve_forever() |
| 1098 | |
| 1099 | |
| 1100 if __name__ == '__main__': | |
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1101 test(HandlerClass=BaseHTTPRequestHandler) |
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1102 test(HandlerClass=SimpleHTTPRequestHandler) |
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1103 test(HandlerClass=CGIHTTPRequestHandler) |