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annotate planemo/lib/python3.7/site-packages/future/backports/http/server.py @ 0:d30785e31577 draft

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"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:18:57 -0400
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1 """HTTP server classes.
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2
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3 From Python 3.3
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4
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5 Note: BaseHTTPRequestHandler doesn't implement any HTTP request; see
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6 SimpleHTTPRequestHandler for simple implementations of GET, HEAD and POST,
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7 and CGIHTTPRequestHandler for CGI scripts.
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8
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9 It does, however, optionally implement HTTP/1.1 persistent connections,
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10 as of version 0.3.
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11
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12 Notes on CGIHTTPRequestHandler
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13 ------------------------------
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14
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15 This class implements GET and POST requests to cgi-bin scripts.
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16
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17 If the os.fork() function is not present (e.g. on Windows),
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18 subprocess.Popen() is used as a fallback, with slightly altered semantics.
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19
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20 In all cases, the implementation is intentionally naive -- all
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21 requests are executed synchronously.
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22
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23 SECURITY WARNING: DON'T USE THIS CODE UNLESS YOU ARE INSIDE A FIREWALL
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24 -- it may execute arbitrary Python code or external programs.
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25
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26 Note that status code 200 is sent prior to execution of a CGI script, so
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27 scripts cannot send other status codes such as 302 (redirect).
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28
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29 XXX To do:
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30
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31 - log requests even later (to capture byte count)
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32 - log user-agent header and other interesting goodies
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33 - send error log to separate file
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34 """
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35
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36 from __future__ import (absolute_import, division,
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37 print_function, unicode_literals)
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38 from future import utils
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39 from future.builtins import *
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40
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41
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42 # See also:
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43 #
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44 # HTTP Working Group T. Berners-Lee
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45 # INTERNET-DRAFT R. T. Fielding
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46 # <draft-ietf-http-v10-spec-00.txt> H. Frystyk Nielsen
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47 # Expires September 8, 1995 March 8, 1995
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48 #
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49 # URL: http://www.ics.uci.edu/pub/ietf/http/draft-ietf-http-v10-spec-00.txt
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50 #
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51 # and
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52 #
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53 # Network Working Group R. Fielding
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54 # Request for Comments: 2616 et al
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55 # Obsoletes: 2068 June 1999
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56 # Category: Standards Track
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57 #
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58 # URL: http://www.faqs.org/rfcs/rfc2616.html
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59
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60 # Log files
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61 # ---------
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62 #
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63 # Here's a quote from the NCSA httpd docs about log file format.
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64 #
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65 # | The logfile format is as follows. Each line consists of:
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66 # |
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67 # | host rfc931 authuser [DD/Mon/YYYY:hh:mm:ss] "request" ddd bbbb
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68 # |
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69 # | host: Either the DNS name or the IP number of the remote client
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70 # | rfc931: Any information returned by identd for this person,
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71 # | - otherwise.
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72 # | authuser: If user sent a userid for authentication, the user name,
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73 # | - otherwise.
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74 # | DD: Day
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75 # | Mon: Month (calendar name)
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76 # | YYYY: Year
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77 # | hh: hour (24-hour format, the machine's timezone)
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78 # | mm: minutes
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79 # | ss: seconds
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80 # | request: The first line of the HTTP request as sent by the client.
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81 # | ddd: the status code returned by the server, - if not available.
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82 # | bbbb: the total number of bytes sent,
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83 # | *not including the HTTP/1.0 header*, - if not available
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84 # |
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85 # | You can determine the name of the file accessed through request.
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86 #
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87 # (Actually, the latter is only true if you know the server configuration
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88 # at the time the request was made!)
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89
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90 __version__ = "0.6"
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91
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92 __all__ = ["HTTPServer", "BaseHTTPRequestHandler"]
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93
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94 from future.backports import html
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95 from future.backports.http import client as http_client
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96 from future.backports.urllib import parse as urllib_parse
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97 from future.backports import socketserver
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98
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99 import io
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100 import mimetypes
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101 import os
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102 import posixpath
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103 import select
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104 import shutil
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105 import socket # For gethostbyaddr()
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106 import sys
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107 import time
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108 import copy
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109 import argparse
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110
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111
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112 # Default error message template
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113 DEFAULT_ERROR_MESSAGE = """\
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114 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
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115 "http://www.w3.org/TR/html4/strict.dtd">
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116 <html>
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117 <head>
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118 <meta http-equiv="Content-Type" content="text/html;charset=utf-8">
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119 <title>Error response</title>
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120 </head>
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121 <body>
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122 <h1>Error response</h1>
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123 <p>Error code: %(code)d</p>
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124 <p>Message: %(message)s.</p>
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125 <p>Error code explanation: %(code)s - %(explain)s.</p>
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126 </body>
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127 </html>
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128 """
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129
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130 DEFAULT_ERROR_CONTENT_TYPE = "text/html;charset=utf-8"
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131
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132 def _quote_html(html):
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133 return html.replace("&", "&amp;").replace("<", "&lt;").replace(">", "&gt;")
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134
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135 class HTTPServer(socketserver.TCPServer):
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136
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137 allow_reuse_address = 1 # Seems to make sense in testing environment
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138
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139 def server_bind(self):
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140 """Override server_bind to store the server name."""
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141 socketserver.TCPServer.server_bind(self)
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142 host, port = self.socket.getsockname()[:2]
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143 self.server_name = socket.getfqdn(host)
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144 self.server_port = port
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145
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146
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147 class BaseHTTPRequestHandler(socketserver.StreamRequestHandler):
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148
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149 """HTTP request handler base class.
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150
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151 The following explanation of HTTP serves to guide you through the
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152 code as well as to expose any misunderstandings I may have about
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153 HTTP (so you don't need to read the code to figure out I'm wrong
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154 :-).
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155
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156 HTTP (HyperText Transfer Protocol) is an extensible protocol on
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157 top of a reliable stream transport (e.g. TCP/IP). The protocol
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158 recognizes three parts to a request:
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159
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160 1. One line identifying the request type and path
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161 2. An optional set of RFC-822-style headers
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162 3. An optional data part
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163
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164 The headers and data are separated by a blank line.
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165
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166 The first line of the request has the form
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167
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168 <command> <path> <version>
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169
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170 where <command> is a (case-sensitive) keyword such as GET or POST,
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171 <path> is a string containing path information for the request,
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172 and <version> should be the string "HTTP/1.0" or "HTTP/1.1".
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173 <path> is encoded using the URL encoding scheme (using %xx to signify
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174 the ASCII character with hex code xx).
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175
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176 The specification specifies that lines are separated by CRLF but
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177 for compatibility with the widest range of clients recommends
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178 servers also handle LF. Similarly, whitespace in the request line
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179 is treated sensibly (allowing multiple spaces between components
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180 and allowing trailing whitespace).
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181
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182 Similarly, for output, lines ought to be separated by CRLF pairs
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183 but most clients grok LF characters just fine.
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184
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185 If the first line of the request has the form
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186
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187 <command> <path>
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188
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189 (i.e. <version> is left out) then this is assumed to be an HTTP
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190 0.9 request; this form has no optional headers and data part and
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191 the reply consists of just the data.
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192
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193 The reply form of the HTTP 1.x protocol again has three parts:
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194
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195 1. One line giving the response code
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196 2. An optional set of RFC-822-style headers
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197 3. The data
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198
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199 Again, the headers and data are separated by a blank line.
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200
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201 The response code line has the form
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202
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203 <version> <responsecode> <responsestring>
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204
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205 where <version> is the protocol version ("HTTP/1.0" or "HTTP/1.1"),
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206 <responsecode> is a 3-digit response code indicating success or
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207 failure of the request, and <responsestring> is an optional
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208 human-readable string explaining what the response code means.
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209
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210 This server parses the request and the headers, and then calls a
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211 function specific to the request type (<command>). Specifically,
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212 a request SPAM will be handled by a method do_SPAM(). If no
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213 such method exists the server sends an error response to the
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214 client. If it exists, it is called with no arguments:
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215
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216 do_SPAM()
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217
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218 Note that the request name is case sensitive (i.e. SPAM and spam
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219 are different requests).
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220
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221 The various request details are stored in instance variables:
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222
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223 - client_address is the client IP address in the form (host,
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224 port);
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225
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226 - command, path and version are the broken-down request line;
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227
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228 - headers is an instance of email.message.Message (or a derived
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229 class) containing the header information;
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230
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231 - rfile is a file object open for reading positioned at the
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232 start of the optional input data part;
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233
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234 - wfile is a file object open for writing.
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235
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236 IT IS IMPORTANT TO ADHERE TO THE PROTOCOL FOR WRITING!
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237
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238 The first thing to be written must be the response line. Then
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239 follow 0 or more header lines, then a blank line, and then the
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240 actual data (if any). The meaning of the header lines depends on
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241 the command executed by the server; in most cases, when data is
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242 returned, there should be at least one header line of the form
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243
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244 Content-type: <type>/<subtype>
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245
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246 where <type> and <subtype> should be registered MIME types,
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247 e.g. "text/html" or "text/plain".
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248
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249 """
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250
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251 # The Python system version, truncated to its first component.
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252 sys_version = "Python/" + sys.version.split()[0]
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253
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254 # The server software version. You may want to override this.
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255 # The format is multiple whitespace-separated strings,
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256 # where each string is of the form name[/version].
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257 server_version = "BaseHTTP/" + __version__
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258
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259 error_message_format = DEFAULT_ERROR_MESSAGE
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260 error_content_type = DEFAULT_ERROR_CONTENT_TYPE
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261
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262 # The default request version. This only affects responses up until
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diff changeset
263 # the point where the request line is parsed, so it mainly decides what
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264 # the client gets back when sending a malformed request line.
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265 # Most web servers default to HTTP 0.9, i.e. don't send a status line.
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266 default_request_version = "HTTP/0.9"
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267
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268 def parse_request(self):
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269 """Parse a request (internal).
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270
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271 The request should be stored in self.raw_requestline; the results
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272 are in self.command, self.path, self.request_version and
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273 self.headers.
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274
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275 Return True for success, False for failure; on failure, an
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276 error is sent back.
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277
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278 """
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279 self.command = None # set in case of error on the first line
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280 self.request_version = version = self.default_request_version
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281 self.close_connection = 1
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282 requestline = str(self.raw_requestline, 'iso-8859-1')
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283 requestline = requestline.rstrip('\r\n')
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284 self.requestline = requestline
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285 words = requestline.split()
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286 if len(words) == 3:
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287 command, path, version = words
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288 if version[:5] != 'HTTP/':
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289 self.send_error(400, "Bad request version (%r)" % version)
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290 return False
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291 try:
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292 base_version_number = version.split('/', 1)[1]
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293 version_number = base_version_number.split(".")
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294 # RFC 2145 section 3.1 says there can be only one "." and
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295 # - major and minor numbers MUST be treated as
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296 # separate integers;
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297 # - HTTP/2.4 is a lower version than HTTP/2.13, which in
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298 # turn is lower than HTTP/12.3;
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299 # - Leading zeros MUST be ignored by recipients.
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300 if len(version_number) != 2:
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301 raise ValueError
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302 version_number = int(version_number[0]), int(version_number[1])
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303 except (ValueError, IndexError):
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304 self.send_error(400, "Bad request version (%r)" % version)
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305 return False
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306 if version_number >= (1, 1) and self.protocol_version >= "HTTP/1.1":
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307 self.close_connection = 0
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308 if version_number >= (2, 0):
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309 self.send_error(505,
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310 "Invalid HTTP Version (%s)" % base_version_number)
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311 return False
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312 elif len(words) == 2:
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313 command, path = words
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314 self.close_connection = 1
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315 if command != 'GET':
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316 self.send_error(400,
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317 "Bad HTTP/0.9 request type (%r)" % command)
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318 return False
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319 elif not words:
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320 return False
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321 else:
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322 self.send_error(400, "Bad request syntax (%r)" % requestline)
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323 return False
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324 self.command, self.path, self.request_version = command, path, version
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325
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326 # Examine the headers and look for a Connection directive.
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327 try:
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328 self.headers = http_client.parse_headers(self.rfile,
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329 _class=self.MessageClass)
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330 except http_client.LineTooLong:
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331 self.send_error(400, "Line too long")
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332 return False
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333
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334 conntype = self.headers.get('Connection', "")
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335 if conntype.lower() == 'close':
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336 self.close_connection = 1
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337 elif (conntype.lower() == 'keep-alive' and
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338 self.protocol_version >= "HTTP/1.1"):
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339 self.close_connection = 0
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340 # Examine the headers and look for an Expect directive
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341 expect = self.headers.get('Expect', "")
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342 if (expect.lower() == "100-continue" and
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343 self.protocol_version >= "HTTP/1.1" and
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344 self.request_version >= "HTTP/1.1"):
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345 if not self.handle_expect_100():
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346 return False
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347 return True
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348
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349 def handle_expect_100(self):
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350 """Decide what to do with an "Expect: 100-continue" header.
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351
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352 If the client is expecting a 100 Continue response, we must
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353 respond with either a 100 Continue or a final response before
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354 waiting for the request body. The default is to always respond
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355 with a 100 Continue. You can behave differently (for example,
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356 reject unauthorized requests) by overriding this method.
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357
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358 This method should either return True (possibly after sending
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359 a 100 Continue response) or send an error response and return
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360 False.
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361
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362 """
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363 self.send_response_only(100)
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364 self.flush_headers()
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365 return True
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366
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367 def handle_one_request(self):
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368 """Handle a single HTTP request.
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369
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370 You normally don't need to override this method; see the class
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371 __doc__ string for information on how to handle specific HTTP
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372 commands such as GET and POST.
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373
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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374 """
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375 try:
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376 self.raw_requestline = self.rfile.readline(65537)
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377 if len(self.raw_requestline) > 65536:
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378 self.requestline = ''
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379 self.request_version = ''
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380 self.command = ''
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381 self.send_error(414)
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382 return
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383 if not self.raw_requestline:
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384 self.close_connection = 1
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385 return
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
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386 if not self.parse_request():
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387 # An error code has been sent, just exit
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388 return
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389 mname = 'do_' + self.command
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390 if not hasattr(self, mname):
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391 self.send_error(501, "Unsupported method (%r)" % self.command)
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392 return
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393 method = getattr(self, mname)
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394 method()
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395 self.wfile.flush() #actually send the response if not already done.
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396 except socket.timeout as e:
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397 #a read or a write timed out. Discard this connection
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398 self.log_error("Request timed out: %r", e)
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399 self.close_connection = 1
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400 return
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401
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402 def handle(self):
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403 """Handle multiple requests if necessary."""
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404 self.close_connection = 1
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405
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406 self.handle_one_request()
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407 while not self.close_connection:
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408 self.handle_one_request()
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409
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410 def send_error(self, code, message=None):
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411 """Send and log an error reply.
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412
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413 Arguments are the error code, and a detailed message.
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414 The detailed message defaults to the short entry matching the
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415 response code.
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416
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417 This sends an error response (so it must be called before any
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418 output has been generated), logs the error, and finally sends
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419 a piece of HTML explaining the error to the user.
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420
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421 """
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422
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423 try:
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424 shortmsg, longmsg = self.responses[code]
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425 except KeyError:
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426 shortmsg, longmsg = '???', '???'
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427 if message is None:
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428 message = shortmsg
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429 explain = longmsg
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430 self.log_error("code %d, message %s", code, message)
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431 # using _quote_html to prevent Cross Site Scripting attacks (see bug #1100201)
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432 content = (self.error_message_format %
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433 {'code': code, 'message': _quote_html(message), 'explain': explain})
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434 self.send_response(code, message)
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435 self.send_header("Content-Type", self.error_content_type)
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436 self.send_header('Connection', 'close')
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437 self.end_headers()
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438 if self.command != 'HEAD' and code >= 200 and code not in (204, 304):
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439 self.wfile.write(content.encode('UTF-8', 'replace'))
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440
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441 def send_response(self, code, message=None):
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442 """Add the response header to the headers buffer and log the
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443 response code.
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444
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445 Also send two standard headers with the server software
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446 version and the current date.
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447
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448 """
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449 self.log_request(code)
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450 self.send_response_only(code, message)
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451 self.send_header('Server', self.version_string())
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452 self.send_header('Date', self.date_time_string())
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453
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454 def send_response_only(self, code, message=None):
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455 """Send the response header only."""
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456 if message is None:
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457 if code in self.responses:
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458 message = self.responses[code][0]
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459 else:
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460 message = ''
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461 if self.request_version != 'HTTP/0.9':
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462 if not hasattr(self, '_headers_buffer'):
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463 self._headers_buffer = []
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464 self._headers_buffer.append(("%s %d %s\r\n" %
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465 (self.protocol_version, code, message)).encode(
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466 'latin-1', 'strict'))
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467
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468 def send_header(self, keyword, value):
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469 """Send a MIME header to the headers buffer."""
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470 if self.request_version != 'HTTP/0.9':
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471 if not hasattr(self, '_headers_buffer'):
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472 self._headers_buffer = []
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473 self._headers_buffer.append(
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474 ("%s: %s\r\n" % (keyword, value)).encode('latin-1', 'strict'))
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475
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476 if keyword.lower() == 'connection':
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477 if value.lower() == 'close':
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478 self.close_connection = 1
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479 elif value.lower() == 'keep-alive':
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480 self.close_connection = 0
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481
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482 def end_headers(self):
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483 """Send the blank line ending the MIME headers."""
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484 if self.request_version != 'HTTP/0.9':
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485 self._headers_buffer.append(b"\r\n")
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486 self.flush_headers()
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487
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488 def flush_headers(self):
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489 if hasattr(self, '_headers_buffer'):
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490 self.wfile.write(b"".join(self._headers_buffer))
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491 self._headers_buffer = []
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492
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493 def log_request(self, code='-', size='-'):
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494 """Log an accepted request.
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495
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496 This is called by send_response().
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497
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498 """
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499
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500 self.log_message('"%s" %s %s',
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501 self.requestline, str(code), str(size))
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502
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503 def log_error(self, format, *args):
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504 """Log an error.
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505
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506 This is called when a request cannot be fulfilled. By
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507 default it passes the message on to log_message().
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508
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509 Arguments are the same as for log_message().
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510
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511 XXX This should go to the separate error log.
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512
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513 """
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514
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515 self.log_message(format, *args)
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516
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517 def log_message(self, format, *args):
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518 """Log an arbitrary message.
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519
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520 This is used by all other logging functions. Override
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521 it if you have specific logging wishes.
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522
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523 The first argument, FORMAT, is a format string for the
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diff changeset
524 message to be logged. If the format string contains
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525 any % escapes requiring parameters, they should be
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526 specified as subsequent arguments (it's just like
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diff changeset
527 printf!).
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528
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529 The client ip and current date/time are prefixed to
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diff changeset
530 every message.
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531
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532 """
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533
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534 sys.stderr.write("%s - - [%s] %s\n" %
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diff changeset
535 (self.address_string(),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
536 self.log_date_time_string(),
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537 format%args))
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538
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539 def version_string(self):
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diff changeset
540 """Return the server software version string."""
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541 return self.server_version + ' ' + self.sys_version
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542
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543 def date_time_string(self, timestamp=None):
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544 """Return the current date and time formatted for a message header."""
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545 if timestamp is None:
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546 timestamp = time.time()
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547 year, month, day, hh, mm, ss, wd, y, z = time.gmtime(timestamp)
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548 s = "%s, %02d %3s %4d %02d:%02d:%02d GMT" % (
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549 self.weekdayname[wd],
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550 day, self.monthname[month], year,
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551 hh, mm, ss)
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552 return s
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553
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554 def log_date_time_string(self):
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555 """Return the current time formatted for logging."""
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556 now = time.time()
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557 year, month, day, hh, mm, ss, x, y, z = time.localtime(now)
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558 s = "%02d/%3s/%04d %02d:%02d:%02d" % (
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559 day, self.monthname[month], year, hh, mm, ss)
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560 return s
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561
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562 weekdayname = ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
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563
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564 monthname = [None,
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diff changeset
565 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
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diff changeset
566 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
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567
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568 def address_string(self):
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569 """Return the client address."""
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570
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571 return self.client_address[0]
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572
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573 # Essentially static class variables
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574
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575 # The version of the HTTP protocol we support.
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diff changeset
576 # Set this to HTTP/1.1 to enable automatic keepalive
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577 protocol_version = "HTTP/1.0"
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578
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579 # MessageClass used to parse headers
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580 MessageClass = http_client.HTTPMessage
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581
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582 # Table mapping response codes to messages; entries have the
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583 # form {code: (shortmessage, longmessage)}.
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diff changeset
584 # See RFC 2616 and 6585.
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585 responses = {
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586 100: ('Continue', 'Request received, please continue'),
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587 101: ('Switching Protocols',
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
588 'Switching to new protocol; obey Upgrade header'),
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589
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590 200: ('OK', 'Request fulfilled, document follows'),
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diff changeset
591 201: ('Created', 'Document created, URL follows'),
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diff changeset
592 202: ('Accepted',
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diff changeset
593 'Request accepted, processing continues off-line'),
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diff changeset
594 203: ('Non-Authoritative Information', 'Request fulfilled from cache'),
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595 204: ('No Content', 'Request fulfilled, nothing follows'),
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596 205: ('Reset Content', 'Clear input form for further input.'),
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597 206: ('Partial Content', 'Partial content follows.'),
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598
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599 300: ('Multiple Choices',
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diff changeset
600 'Object has several resources -- see URI list'),
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diff changeset
601 301: ('Moved Permanently', 'Object moved permanently -- see URI list'),
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diff changeset
602 302: ('Found', 'Object moved temporarily -- see URI list'),
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diff changeset
603 303: ('See Other', 'Object moved -- see Method and URL list'),
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diff changeset
604 304: ('Not Modified',
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diff changeset
605 'Document has not changed since given time'),
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diff changeset
606 305: ('Use Proxy',
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diff changeset
607 'You must use proxy specified in Location to access this '
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diff changeset
608 'resource.'),
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609 307: ('Temporary Redirect',
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diff changeset
610 'Object moved temporarily -- see URI list'),
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diff changeset
611
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612 400: ('Bad Request',
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613 'Bad request syntax or unsupported method'),
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diff changeset
614 401: ('Unauthorized',
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
615 'No permission -- see authorization schemes'),
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diff changeset
616 402: ('Payment Required',
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diff changeset
617 'No payment -- see charging schemes'),
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diff changeset
618 403: ('Forbidden',
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diff changeset
619 'Request forbidden -- authorization will not help'),
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diff changeset
620 404: ('Not Found', 'Nothing matches the given URI'),
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diff changeset
621 405: ('Method Not Allowed',
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622 'Specified method is invalid for this resource.'),
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diff changeset
623 406: ('Not Acceptable', 'URI not available in preferred format.'),
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diff changeset
624 407: ('Proxy Authentication Required', 'You must authenticate with '
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diff changeset
625 'this proxy before proceeding.'),
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626 408: ('Request Timeout', 'Request timed out; try again later.'),
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627 409: ('Conflict', 'Request conflict.'),
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628 410: ('Gone',
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diff changeset
629 'URI no longer exists and has been permanently removed.'),
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diff changeset
630 411: ('Length Required', 'Client must specify Content-Length.'),
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diff changeset
631 412: ('Precondition Failed', 'Precondition in headers is false.'),
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diff changeset
632 413: ('Request Entity Too Large', 'Entity is too large.'),
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diff changeset
633 414: ('Request-URI Too Long', 'URI is too long.'),
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diff changeset
634 415: ('Unsupported Media Type', 'Entity body in unsupported format.'),
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diff changeset
635 416: ('Requested Range Not Satisfiable',
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diff changeset
636 'Cannot satisfy request range.'),
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diff changeset
637 417: ('Expectation Failed',
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
638 'Expect condition could not be satisfied.'),
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diff changeset
639 428: ('Precondition Required',
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
640 'The origin server requires the request to be conditional.'),
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diff changeset
641 429: ('Too Many Requests', 'The user has sent too many requests '
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
642 'in a given amount of time ("rate limiting").'),
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diff changeset
643 431: ('Request Header Fields Too Large', 'The server is unwilling to '
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
644 'process the request because its header fields are too large.'),
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645
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646 500: ('Internal Server Error', 'Server got itself in trouble'),
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647 501: ('Not Implemented',
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diff changeset
648 'Server does not support this operation'),
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diff changeset
649 502: ('Bad Gateway', 'Invalid responses from another server/proxy.'),
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diff changeset
650 503: ('Service Unavailable',
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diff changeset
651 'The server cannot process the request due to a high load'),
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parents:
diff changeset
652 504: ('Gateway Timeout',
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
653 'The gateway server did not receive a timely response'),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
654 505: ('HTTP Version Not Supported', 'Cannot fulfill request.'),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
655 511: ('Network Authentication Required',
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
656 'The client needs to authenticate to gain network access.'),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
657 }
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
658
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
659
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
660 class SimpleHTTPRequestHandler(BaseHTTPRequestHandler):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
661
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
662 """Simple HTTP request handler with GET and HEAD commands.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
663
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
664 This serves files from the current directory and any of its
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
665 subdirectories. The MIME type for files is determined by
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
666 calling the .guess_type() method.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
667
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
668 The GET and HEAD requests are identical except that the HEAD
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
669 request omits the actual contents of the file.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
670
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
671 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
672
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
673 server_version = "SimpleHTTP/" + __version__
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
674
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
675 def do_GET(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
676 """Serve a GET request."""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
677 f = self.send_head()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
678 if f:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
679 self.copyfile(f, self.wfile)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
680 f.close()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
681
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
682 def do_HEAD(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
683 """Serve a HEAD request."""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
684 f = self.send_head()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
685 if f:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
686 f.close()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
687
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
688 def send_head(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
689 """Common code for GET and HEAD commands.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
690
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
691 This sends the response code and MIME headers.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
692
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
693 Return value is either a file object (which has to be copied
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
694 to the outputfile by the caller unless the command was HEAD,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
695 and must be closed by the caller under all circumstances), or
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
696 None, in which case the caller has nothing further to do.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
697
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
698 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
699 path = self.translate_path(self.path)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
700 f = None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
701 if os.path.isdir(path):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
702 if not self.path.endswith('/'):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
703 # redirect browser - doing basically what apache does
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
704 self.send_response(301)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
705 self.send_header("Location", self.path + "/")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
706 self.end_headers()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
707 return None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
708 for index in "index.html", "index.htm":
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
709 index = os.path.join(path, index)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
710 if os.path.exists(index):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
711 path = index
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
712 break
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
713 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
714 return self.list_directory(path)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
715 ctype = self.guess_type(path)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
716 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
717 f = open(path, 'rb')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
718 except IOError:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
719 self.send_error(404, "File not found")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
720 return None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
721 self.send_response(200)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
722 self.send_header("Content-type", ctype)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
723 fs = os.fstat(f.fileno())
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
724 self.send_header("Content-Length", str(fs[6]))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
725 self.send_header("Last-Modified", self.date_time_string(fs.st_mtime))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
726 self.end_headers()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
727 return f
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
728
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
729 def list_directory(self, path):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
730 """Helper to produce a directory listing (absent index.html).
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
731
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
732 Return value is either a file object, or None (indicating an
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
733 error). In either case, the headers are sent, making the
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
734 interface the same as for send_head().
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
735
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
736 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
737 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
738 list = os.listdir(path)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
739 except os.error:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
740 self.send_error(404, "No permission to list directory")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
741 return None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
742 list.sort(key=lambda a: a.lower())
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
743 r = []
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
744 displaypath = html.escape(urllib_parse.unquote(self.path))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
745 enc = sys.getfilesystemencoding()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
746 title = 'Directory listing for %s' % displaypath
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
747 r.append('<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" '
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
748 '"http://www.w3.org/TR/html4/strict.dtd">')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
749 r.append('<html>\n<head>')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
750 r.append('<meta http-equiv="Content-Type" '
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
751 'content="text/html; charset=%s">' % enc)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
752 r.append('<title>%s</title>\n</head>' % title)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
753 r.append('<body>\n<h1>%s</h1>' % title)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
754 r.append('<hr>\n<ul>')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
755 for name in list:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
756 fullname = os.path.join(path, name)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
757 displayname = linkname = name
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
758 # Append / for directories or @ for symbolic links
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
759 if os.path.isdir(fullname):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
760 displayname = name + "/"
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
761 linkname = name + "/"
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
762 if os.path.islink(fullname):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
763 displayname = name + "@"
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
764 # Note: a link to a directory displays with @ and links with /
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
765 r.append('<li><a href="%s">%s</a></li>'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
766 % (urllib_parse.quote(linkname), html.escape(displayname)))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
767 # # Use this instead:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
768 # r.append('<li><a href="%s">%s</a></li>'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
769 # % (urllib.quote(linkname), cgi.escape(displayname)))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
770 r.append('</ul>\n<hr>\n</body>\n</html>\n')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
771 encoded = '\n'.join(r).encode(enc)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
772 f = io.BytesIO()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
773 f.write(encoded)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
774 f.seek(0)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
775 self.send_response(200)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
776 self.send_header("Content-type", "text/html; charset=%s" % enc)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
777 self.send_header("Content-Length", str(len(encoded)))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
778 self.end_headers()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
779 return f
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
780
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
781 def translate_path(self, path):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
782 """Translate a /-separated PATH to the local filename syntax.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
783
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
784 Components that mean special things to the local file system
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
785 (e.g. drive or directory names) are ignored. (XXX They should
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
786 probably be diagnosed.)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
787
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
788 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
789 # abandon query parameters
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
790 path = path.split('?',1)[0]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
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diff changeset
791 path = path.split('#',1)[0]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
792 path = posixpath.normpath(urllib_parse.unquote(path))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
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diff changeset
793 words = path.split('/')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
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diff changeset
794 words = filter(None, words)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
795 path = os.getcwd()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
796 for word in words:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
797 drive, word = os.path.splitdrive(word)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
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diff changeset
798 head, word = os.path.split(word)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
799 if word in (os.curdir, os.pardir): continue
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
800 path = os.path.join(path, word)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
801 return path
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
802
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
803 def copyfile(self, source, outputfile):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
804 """Copy all data between two file objects.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
805
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
806 The SOURCE argument is a file object open for reading
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
807 (or anything with a read() method) and the DESTINATION
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
808 argument is a file object open for writing (or
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
809 anything with a write() method).
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
810
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
811 The only reason for overriding this would be to change
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
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diff changeset
812 the block size or perhaps to replace newlines by CRLF
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
813 -- note however that this the default server uses this
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
814 to copy binary data as well.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
815
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
816 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
817 shutil.copyfileobj(source, outputfile)
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guerler
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diff changeset
818
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
819 def guess_type(self, path):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
820 """Guess the type of a file.
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diff changeset
821
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diff changeset
822 Argument is a PATH (a filename).
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diff changeset
823
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diff changeset
824 Return value is a string of the form type/subtype,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
825 usable for a MIME Content-type header.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
826
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
827 The default implementation looks the file's extension
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
828 up in the table self.extensions_map, using application/octet-stream
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
829 as a default; however it would be permissible (if
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
830 slow) to look inside the data to make a better guess.
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diff changeset
831
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
832 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
833
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
834 base, ext = posixpath.splitext(path)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
835 if ext in self.extensions_map:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
836 return self.extensions_map[ext]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
837 ext = ext.lower()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
838 if ext in self.extensions_map:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
839 return self.extensions_map[ext]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
840 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
841 return self.extensions_map['']
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
842
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
843 if not mimetypes.inited:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
844 mimetypes.init() # try to read system mime.types
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
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diff changeset
845 extensions_map = mimetypes.types_map.copy()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
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diff changeset
846 extensions_map.update({
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
847 '': 'application/octet-stream', # Default
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
848 '.py': 'text/plain',
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
849 '.c': 'text/plain',
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
850 '.h': 'text/plain',
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
851 })
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
852
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
853
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
854 # Utilities for CGIHTTPRequestHandler
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
855
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
856 def _url_collapse_path(path):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
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diff changeset
857 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
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diff changeset
858 Given a URL path, remove extra '/'s and '.' path elements and collapse
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
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diff changeset
859 any '..' references and returns a colllapsed path.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
860
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
861 Implements something akin to RFC-2396 5.2 step 6 to parse relative paths.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
862 The utility of this function is limited to is_cgi method and helps
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
863 preventing some security attacks.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
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diff changeset
864
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
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diff changeset
865 Returns: A tuple of (head, tail) where tail is everything after the final /
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
866 and head is everything before it. Head will always start with a '/' and,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
867 if it contains anything else, never have a trailing '/'.
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guerler
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diff changeset
868
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
869 Raises: IndexError if too many '..' occur within the path.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
870
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
871 """
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
872 # Similar to os.path.split(os.path.normpath(path)) but specific to URL
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
873 # path semantics rather than local operating system semantics.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
874 path_parts = path.split('/')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
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diff changeset
875 head_parts = []
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
876 for part in path_parts[:-1]:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
877 if part == '..':
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
878 head_parts.pop() # IndexError if more '..' than prior parts
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
879 elif part and part != '.':
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
880 head_parts.append( part )
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
881 if path_parts:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
882 tail_part = path_parts.pop()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
883 if tail_part:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
884 if tail_part == '..':
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
885 head_parts.pop()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
886 tail_part = ''
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
887 elif tail_part == '.':
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
888 tail_part = ''
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
889 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
890 tail_part = ''
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
891
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
892 splitpath = ('/' + '/'.join(head_parts), tail_part)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
893 collapsed_path = "/".join(splitpath)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
894
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
895 return collapsed_path
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
896
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
897
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
898
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
899 nobody = None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
900
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
901 def nobody_uid():
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
902 """Internal routine to get nobody's uid"""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
903 global nobody
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
904 if nobody:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
905 return nobody
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
906 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
907 import pwd
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
908 except ImportError:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
909 return -1
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
910 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
911 nobody = pwd.getpwnam('nobody')[2]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
912 except KeyError:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
913 nobody = 1 + max(x[2] for x in pwd.getpwall())
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
914 return nobody
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
915
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parents:
diff changeset
916
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parents:
diff changeset
917 def executable(path):
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parents:
diff changeset
918 """Test for executable file."""
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parents:
diff changeset
919 return os.access(path, os.X_OK)
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parents:
diff changeset
920
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parents:
diff changeset
921
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parents:
diff changeset
922 class CGIHTTPRequestHandler(SimpleHTTPRequestHandler):
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parents:
diff changeset
923
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parents:
diff changeset
924 """Complete HTTP server with GET, HEAD and POST commands.
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parents:
diff changeset
925
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
926 GET and HEAD also support running CGI scripts.
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parents:
diff changeset
927
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parents:
diff changeset
928 The POST command is *only* implemented for CGI scripts.
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parents:
diff changeset
929
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diff changeset
930 """
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parents:
diff changeset
931
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parents:
diff changeset
932 # Determine platform specifics
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parents:
diff changeset
933 have_fork = hasattr(os, 'fork')
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parents:
diff changeset
934
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parents:
diff changeset
935 # Make rfile unbuffered -- we need to read one line and then pass
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parents:
diff changeset
936 # the rest to a subprocess, so we can't use buffered input.
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diff changeset
937 rbufsize = 0
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938
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939 def do_POST(self):
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parents:
diff changeset
940 """Serve a POST request.
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diff changeset
941
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diff changeset
942 This is only implemented for CGI scripts.
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parents:
diff changeset
943
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944 """
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diff changeset
945
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946 if self.is_cgi():
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diff changeset
947 self.run_cgi()
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diff changeset
948 else:
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diff changeset
949 self.send_error(501, "Can only POST to CGI scripts")
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parents:
diff changeset
950
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951 def send_head(self):
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diff changeset
952 """Version of send_head that support CGI scripts"""
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diff changeset
953 if self.is_cgi():
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diff changeset
954 return self.run_cgi()
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955 else:
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diff changeset
956 return SimpleHTTPRequestHandler.send_head(self)
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parents:
diff changeset
957
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958 def is_cgi(self):
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diff changeset
959 """Test whether self.path corresponds to a CGI script.
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parents:
diff changeset
960
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diff changeset
961 Returns True and updates the cgi_info attribute to the tuple
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parents:
diff changeset
962 (dir, rest) if self.path requires running a CGI script.
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parents:
diff changeset
963 Returns False otherwise.
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diff changeset
964
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diff changeset
965 If any exception is raised, the caller should assume that
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diff changeset
966 self.path was rejected as invalid and act accordingly.
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diff changeset
967
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968 The default implementation tests whether the normalized url
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diff changeset
969 path begins with one of the strings in self.cgi_directories
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diff changeset
970 (and the next character is a '/' or the end of the string).
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971
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972 """
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973 collapsed_path = _url_collapse_path(self.path)
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974 dir_sep = collapsed_path.find('/', 1)
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diff changeset
975 head, tail = collapsed_path[:dir_sep], collapsed_path[dir_sep+1:]
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diff changeset
976 if head in self.cgi_directories:
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diff changeset
977 self.cgi_info = head, tail
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diff changeset
978 return True
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979 return False
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diff changeset
980
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diff changeset
981
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982 cgi_directories = ['/cgi-bin', '/htbin']
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diff changeset
983
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984 def is_executable(self, path):
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diff changeset
985 """Test whether argument path is an executable file."""
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986 return executable(path)
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987
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988 def is_python(self, path):
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diff changeset
989 """Test whether argument path is a Python script."""
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diff changeset
990 head, tail = os.path.splitext(path)
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991 return tail.lower() in (".py", ".pyw")
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diff changeset
992
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993 def run_cgi(self):
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diff changeset
994 """Execute a CGI script."""
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995 path = self.path
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996 dir, rest = self.cgi_info
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997
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998 i = path.find('/', len(dir) + 1)
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999 while i >= 0:
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1000 nextdir = path[:i]
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1001 nextrest = path[i+1:]
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1002
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1003 scriptdir = self.translate_path(nextdir)
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diff changeset
1004 if os.path.isdir(scriptdir):
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diff changeset
1005 dir, rest = nextdir, nextrest
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diff changeset
1006 i = path.find('/', len(dir) + 1)
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diff changeset
1007 else:
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diff changeset
1008 break
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diff changeset
1009
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diff changeset
1010 # find an explicit query string, if present.
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diff changeset
1011 i = rest.rfind('?')
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diff changeset
1012 if i >= 0:
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diff changeset
1013 rest, query = rest[:i], rest[i+1:]
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1014 else:
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1015 query = ''
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1016
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1017 # dissect the part after the directory name into a script name &
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
1018 # a possible additional path, to be stored in PATH_INFO.
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1019 i = rest.find('/')
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1020 if i >= 0:
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diff changeset
1021 script, rest = rest[:i], rest[i:]
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1022 else:
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1023 script, rest = rest, ''
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1024
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1025 scriptname = dir + '/' + script
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diff changeset
1026 scriptfile = self.translate_path(scriptname)
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diff changeset
1027 if not os.path.exists(scriptfile):
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diff changeset
1028 self.send_error(404, "No such CGI script (%r)" % scriptname)
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1029 return
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diff changeset
1030 if not os.path.isfile(scriptfile):
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diff changeset
1031 self.send_error(403, "CGI script is not a plain file (%r)" %
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diff changeset
1032 scriptname)
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1033 return
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diff changeset
1034 ispy = self.is_python(scriptname)
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diff changeset
1035 if self.have_fork or not ispy:
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diff changeset
1036 if not self.is_executable(scriptfile):
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diff changeset
1037 self.send_error(403, "CGI script is not executable (%r)" %
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diff changeset
1038 scriptname)
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diff changeset
1039 return
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diff changeset
1040
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1041 # Reference: http://hoohoo.ncsa.uiuc.edu/cgi/env.html
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diff changeset
1042 # XXX Much of the following could be prepared ahead of time!
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diff changeset
1043 env = copy.deepcopy(os.environ)
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diff changeset
1044 env['SERVER_SOFTWARE'] = self.version_string()
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diff changeset
1045 env['SERVER_NAME'] = self.server.server_name
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diff changeset
1046 env['GATEWAY_INTERFACE'] = 'CGI/1.1'
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parents:
diff changeset
1047 env['SERVER_PROTOCOL'] = self.protocol_version
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1048 env['SERVER_PORT'] = str(self.server.server_port)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1049 env['REQUEST_METHOD'] = self.command
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1050 uqrest = urllib_parse.unquote(rest)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1051 env['PATH_INFO'] = uqrest
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1052 env['PATH_TRANSLATED'] = self.translate_path(uqrest)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1053 env['SCRIPT_NAME'] = scriptname
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1054 if query:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1055 env['QUERY_STRING'] = query
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1056 env['REMOTE_ADDR'] = self.client_address[0]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1057 authorization = self.headers.get("authorization")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1058 if authorization:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1059 authorization = authorization.split()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1060 if len(authorization) == 2:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1061 import base64, binascii
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1062 env['AUTH_TYPE'] = authorization[0]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1063 if authorization[0].lower() == "basic":
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1064 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1065 authorization = authorization[1].encode('ascii')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1066 if utils.PY3:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1067 # In Py3.3, was:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1068 authorization = base64.decodebytes(authorization).\
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1069 decode('ascii')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1070 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1071 # Backport to Py2.7:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1072 authorization = base64.decodestring(authorization).\
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1073 decode('ascii')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1074 except (binascii.Error, UnicodeError):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1075 pass
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1076 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1077 authorization = authorization.split(':')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1078 if len(authorization) == 2:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1079 env['REMOTE_USER'] = authorization[0]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1080 # XXX REMOTE_IDENT
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1081 if self.headers.get('content-type') is None:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1082 env['CONTENT_TYPE'] = self.headers.get_content_type()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1083 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1084 env['CONTENT_TYPE'] = self.headers['content-type']
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1085 length = self.headers.get('content-length')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1086 if length:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1087 env['CONTENT_LENGTH'] = length
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1088 referer = self.headers.get('referer')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1089 if referer:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1090 env['HTTP_REFERER'] = referer
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1091 accept = []
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1092 for line in self.headers.getallmatchingheaders('accept'):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1093 if line[:1] in "\t\n\r ":
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1094 accept.append(line.strip())
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1095 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1096 accept = accept + line[7:].split(',')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1097 env['HTTP_ACCEPT'] = ','.join(accept)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1098 ua = self.headers.get('user-agent')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1099 if ua:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1100 env['HTTP_USER_AGENT'] = ua
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1101 co = filter(None, self.headers.get_all('cookie', []))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1102 cookie_str = ', '.join(co)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1103 if cookie_str:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1104 env['HTTP_COOKIE'] = cookie_str
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1105 # XXX Other HTTP_* headers
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1106 # Since we're setting the env in the parent, provide empty
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1107 # values to override previously set values
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1108 for k in ('QUERY_STRING', 'REMOTE_HOST', 'CONTENT_LENGTH',
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1109 'HTTP_USER_AGENT', 'HTTP_COOKIE', 'HTTP_REFERER'):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1110 env.setdefault(k, "")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1111
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1112 self.send_response(200, "Script output follows")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1113 self.flush_headers()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1114
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1115 decoded_query = query.replace('+', ' ')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1116
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1117 if self.have_fork:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1118 # Unix -- fork as we should
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1119 args = [script]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1120 if '=' not in decoded_query:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1121 args.append(decoded_query)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1122 nobody = nobody_uid()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1123 self.wfile.flush() # Always flush before forking
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1124 pid = os.fork()
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1125 if pid != 0:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1126 # Parent
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1127 pid, sts = os.waitpid(pid, 0)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1128 # throw away additional data [see bug #427345]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1129 while select.select([self.rfile], [], [], 0)[0]:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1130 if not self.rfile.read(1):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1131 break
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1132 if sts:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1133 self.log_error("CGI script exit status %#x", sts)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1134 return
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1135 # Child
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1136 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1137 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1138 os.setuid(nobody)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1139 except os.error:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1140 pass
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1141 os.dup2(self.rfile.fileno(), 0)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1142 os.dup2(self.wfile.fileno(), 1)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1143 os.execve(scriptfile, args, env)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1144 except:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1145 self.server.handle_error(self.request, self.client_address)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1146 os._exit(127)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1147
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1148 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1149 # Non-Unix -- use subprocess
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1150 import subprocess
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1151 cmdline = [scriptfile]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1152 if self.is_python(scriptfile):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1153 interp = sys.executable
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1154 if interp.lower().endswith("w.exe"):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1155 # On Windows, use python.exe, not pythonw.exe
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1156 interp = interp[:-5] + interp[-4:]
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1157 cmdline = [interp, '-u'] + cmdline
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1158 if '=' not in query:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1159 cmdline.append(query)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1160 self.log_message("command: %s", subprocess.list2cmdline(cmdline))
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1161 try:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1162 nbytes = int(length)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1163 except (TypeError, ValueError):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1164 nbytes = 0
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1165 p = subprocess.Popen(cmdline,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1166 stdin=subprocess.PIPE,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1167 stdout=subprocess.PIPE,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1168 stderr=subprocess.PIPE,
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1169 env = env
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1170 )
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1171 if self.command.lower() == "post" and nbytes > 0:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1172 data = self.rfile.read(nbytes)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1173 else:
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1174 data = None
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1175 # throw away additional data [see bug #427345]
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1176 while select.select([self.rfile._sock], [], [], 0)[0]:
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1177 if not self.rfile._sock.recv(1):
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1178 break
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1179 stdout, stderr = p.communicate(data)
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1180 self.wfile.write(stdout)
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1181 if stderr:
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1182 self.log_error('%s', stderr)
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1183 p.stderr.close()
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1184 p.stdout.close()
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1185 status = p.returncode
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1186 if status:
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1187 self.log_error("CGI script exit status %#x", status)
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1188 else:
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1189 self.log_message("CGI script exited OK")
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1190
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1191
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1192 def test(HandlerClass = BaseHTTPRequestHandler,
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1193 ServerClass = HTTPServer, protocol="HTTP/1.0", port=8000):
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1194 """Test the HTTP request handler class.
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1195
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1196 This runs an HTTP server on port 8000 (or the first command line
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1197 argument).
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1198
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1199 """
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1200 server_address = ('', port)
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1201
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1202 HandlerClass.protocol_version = protocol
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1203 httpd = ServerClass(server_address, HandlerClass)
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1204
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1205 sa = httpd.socket.getsockname()
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1206 print("Serving HTTP on", sa[0], "port", sa[1], "...")
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1207 try:
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1208 httpd.serve_forever()
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1209 except KeyboardInterrupt:
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1210 print("\nKeyboard interrupt received, exiting.")
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1211 httpd.server_close()
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1212 sys.exit(0)
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1213
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1214 if __name__ == '__main__':
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1215 parser = argparse.ArgumentParser()
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1216 parser.add_argument('--cgi', action='store_true',
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1217 help='Run as CGI Server')
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1218 parser.add_argument('port', action='store',
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1219 default=8000, type=int,
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1220 nargs='?',
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1221 help='Specify alternate port [default: 8000]')
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1222 args = parser.parse_args()
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1223 if args.cgi:
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1224 test(HandlerClass=CGIHTTPRequestHandler, port=args.port)
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1225 else:
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1226 test(HandlerClass=SimpleHTTPRequestHandler, port=args.port)