/usr/share/pyshared/pygopherd/protocols/http.py is in pygopherd 2.0.18.3+nmu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 | # pygopherd -- Gopher-based protocol server in Python
# module: serve up gopherspace via http
# $Id: http.py,v 1.21 2002/04/26 15:18:10 jgoerzen Exp $
# Copyright (C) 2002 John Goerzen
# <jgoerzen@complete.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import SocketServer
import re, binascii
import os, stat, os.path, mimetypes, urllib, time
from pygopherd import handlers, protocols, GopherExceptions
from pygopherd.protocols.base import BaseGopherProtocol
import pygopherd.version
import cgi
class HTTPProtocol(BaseGopherProtocol):
def canhandlerequest(self):
self.requestparts = map(lambda arg: arg.strip(), self.request.split(" "))
return len(self.requestparts) == 3 and \
(self.requestparts[0] == 'GET' or self.requestparts[0] == 'HEAD') and \
self.requestparts[2][0:5] == 'HTTP/'
def headerslurp(self):
if hasattr(self.requesthandler, 'pygopherd_http_slurped'):
# Already slurped.
self.httpheaders = self.requesthandler.pygopherd_http_slurped
return
# Slurp up remaining lines.
self.httpheaders = {}
while 1:
line = self.rfile.readline()
if not len(line):
break
line = line.strip()
if not len(line):
break
splitline = line.split(':', 1)
if len(splitline) == 2:
self.httpheaders[splitline[0].lower()] = splitline[1]
self.requesthandler.pygopherd_http_slurped = self.httpheaders
def handle(self):
self.canhandlerequest() # To get self.requestparts
self.iconmapping = eval(self.config.get("protocols.http.HTTPProtocol",
"iconmapping"))
self.headerslurp()
splitted = self.requestparts[1].split('?')
self.selector = splitted[0]
self.selector = urllib.unquote(self.selector)
self.selector = self.slashnormalize(self.selector)
self.formvals = {}
if len(splitted) >= 2:
self.formvals = cgi.parse_qs(splitted[1])
if self.formvals.has_key('searchrequest'):
self.searchrequest = self.formvals['searchrequest'][0]
icon = re.match('/PYGOPHERD-HTTPPROTO-ICONS/(.+)$', self.selector)
if icon:
iconname = icon.group(1)
if icons.has_key(iconname):
self.wfile.write("HTTP/1.0 200 OK\r\n")
self.wfile.write("Last-Modified: Fri, 14 Dec 2001 21:19:47 GMT\r\n")
self.wfile.write("Content-Type: image/gif\r\n\r\n")
if self.requestparts[0] == 'HEAD':
return
self.wfile.write(binascii.unhexlify(icons[iconname]))
return
try:
handler = self.gethandler()
self.log(handler)
self.entry = handler.getentry()
handler.prepare()
self.wfile.write("HTTP/1.0 200 OK\r\n")
if self.entry.getmtime() != None:
gmtime = time.gmtime(self.entry.getmtime())
mtime = time.strftime("%a, %d %b %Y %H:%M:%S GMT", gmtime)
self.wfile.write("Last-Modified: " + mtime + "\r\n")
mimetype = self.entry.getmimetype()
mimetype = self.adjustmimetype(mimetype)
self.wfile.write("Content-Type: " + mimetype + "\r\n\r\n")
if self.requestparts[0] == 'GET':
if handler.isdir():
self.writedir(self.entry, handler.getdirlist())
else:
self.handlerwrite(self.wfile)
except GopherExceptions.FileNotFound, e:
self.filenotfound(str(e))
except IOError, e:
GopherExceptions.log(e, self, None)
self.filenotfound(e[1])
def handlerwrite(self, wfile):
self.handler.write(wfile)
def adjustmimetype(self, mimetype):
if mimetype == None:
return 'text/plain'
if mimetype == 'application/gopher-menu':
return 'text/html'
return mimetype
def renderobjinfo(self, entry):
url = None
# Decision time....
if re.match('(/|)URL:', entry.getselector()):
# It's a plain URL. Make it that.
url = re.match('(/|)URL:(.+)$', entry.getselector()).group(2)
elif (not entry.gethost()) and (not entry.getport()):
# It's a link to our own server. Make it as such. (relative)
url = urllib.quote(entry.getselector())
else:
# Link to a different server. Make it a gopher URL.
url = entry.geturl(self.server.server_name, 70)
# OK. Render.
return self.getrenderstr(entry, url)
def getrenderstr(self, entry, url):
retstr = '<TR><TD>'
retstr += self.getimgtag(entry)
retstr += "</TD>\n<TD> "
if entry.gettype() != 'i' and entry.gettype() != '7':
retstr += '<A HREF="%s">' % url
retstr += "<TT>"
if entry.getname() != None:
retstr += cgi.escape(entry.getname())
else:
retstr += cgi.escape(entry.getselector())
retstr += "</TT>"
if entry.gettype() != 'i' and entry.gettype() != '7':
retstr += '</A>'
if (entry.gettype() == '7'):
retstr += '<BR><FORM METHOD="GET" ACTION="%s">' % url
retstr += '<INPUT TYPE="text" NAME="searchrequest" SIZE="30">'
retstr += '<INPUT TYPE="submit" NAME="Submit" VALUE="Submit">'
retstr += '</FORM>'
retstr += '</TD><TD><FONT SIZE="-2">'
if entry.getmimetype():
subtype = re.search('/.+$', entry.getmimetype())
if subtype:
retstr += cgi.escape(subtype.group()[1:])
retstr += '</FONT></TD></TR>\n'
return retstr
def renderdirstart(self, entry):
retstr ='<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">'
retstr += "\n<HTML><HEAD><TITLE>Gopher"
if self.entry.getname():
retstr += ": " + cgi.escape(self.entry.getname())
retstr += "</TITLE></HEAD><BODY>"
if self.config.has_option("protocols.http.HTTPProtocol", "pagetopper"):
retstr += re.sub('GOPHERURL',
self.entry.geturl(self.server.server_name,
self.server.server_port),
self.config.get("protocols.http.HTTPProtocol",
"pagetopper"))
retstr += "<H1>Gopher"
if self.entry.getname():
retstr += ": " + cgi.escape(self.entry.getname())
retstr += '</H1><TABLE WIDTH="100%" CELLSPACING="1" CELLPADDING="0">'
return retstr
def renderdirend(self, entry):
retstr = "</TABLE><HR>\n[<A HREF=\"/\">server top</A>]"
retstr += " [<A HREF=\"%s\">view with gopher</A>]" % \
entry.geturl(self.server.server_name,
self.server.server_port)
retstr += '<BR>Generated by <A HREF="%s">%s</A>' % (
pygopherd.version.homepage, pygopherd.version.productname)
return retstr + "\n</BODY></HTML>\n"
def filenotfound(self, msg):
self.wfile.write("HTTP/1.0 404 Not Found\r\n")
self.wfile.write("Content-Type: text/html\r\n\r\n")
self.wfile.write('<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">')
self.wfile.write("""\n<HTML><HEAD><TITLE>Selector Not Found</TITLE>
<H1>Selector Not Found</H1>
<TT>""")
self.wfile.write(cgi.escape(msg))
self.wfile.write("</TT><HR>Pygopherd</BODY></HTML>\n")
def getimgtag(self, entry):
name = 'generic.gif'
if self.iconmapping.has_key(entry.gettype()):
name = self.iconmapping[entry.gettype()]
return '<IMG ALT=" * " SRC="%s" WIDTH="20" HEIGHT="22" BORDER="0">' % \
('/PYGOPHERD-HTTPPROTO-ICONS/' + name)
icons = {
'binary.gif':
'47494638396114001600c20000ffffffccffffcccccc99999933333300000000000000000021fe4e546869732061727420697320696e20746865207075626c696320646f6d61696e2e204b6576696e204875676865732c206b6576696e68406569742e636f6d2c2053657074656d62657220313939350021f90401000001002c000000001400160000036948babcf1301040ab9d24be590a105d210013a9715e07a8a509a16beab5ae14df6a41e8fc76839d5168e8b3182983e4a0e0038a6e1525d396931d97be2ad482a55a55c6eec429f484a7b4e339eb215fd138ebda1b7fb3eb73983bafee8b094a8182493b114387885309003b',
'binhex.gif':
'47494638396114001600c20000ffffffccffff99999966666633333300000000000000000021fe4e546869732061727420697320696e20746865207075626c696320646f6d61696e2e204b6576696e204875676865732c206b6576696e68406569742e636f6d2c2053657074656d62657220313939350021f90401000001002c000000001400160000036948babcf1301040ab9d24be59baefc0146adce78555068914985e2b609e0551df9b3c17ba995b408a602828e48a2681856894f44cc1628e07a42e9b985d14ab1b7c9440a9131c0c733b229bb5222ecdb6bfd6da3cd5d29d688a1aee2c97db044482834336113b884d09003b',
'folder.gif':
'47494638396114001600c20000ffffffffcc99ccffff99663333333300000000000000000021fe4e546869732061727420697320696e20746865207075626c696320646f6d61696e2e204b6576696e204875676865732c206b6576696e68406569742e636f6d2c2053657074656d62657220313939350021f90401000002002c000000001400160000035428badcfe30ca4959b9f8ce12baef45c47d64a629c5407a6a8906432cc72b1c8ef51a13579e0f3c9c8f05ec0d4945e171673cb2824e2234da495261569856c5ddc27882d46c3c2680c3e6b47acd232c4cf08c3b01003b',
'image3.gif':
'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',
'sound1.gif':
'47494638396114001600c20000ffffffff3333ccffffcccccc99999966000033333300000021fe4e546869732061727420697320696e20746865207075626c696320646f6d61696e2e204b6576696e204875676865732c206b6576696e68406569742e636f6d2c2053657074656d62657220313939350021f90401000002002c000000001400160000036b28badcfe3036c34290ea1c61558f07b171170985c0687e0d9a729e77693401dc5bd7154148fcb6db6b77e1b984c20d4fb03406913866717a842aa7d22af22acd120cdf6fd2d49cd10e034354871518de06b43a17334de42a36243e187d4a7b1a762c7b140b8418898a0b09003b',
'text.gif':
'47494638396114001600c20000ffffffccffff99999933333300000000000000000000000021fe4e546869732061727420697320696e20746865207075626c696320646f6d61696e2e204b6576696e204875676865732c206b6576696e68406569742e636f6d2c2053657074656d62657220313939350021f90401000001002c000000001400160000035838babcf1300c40ab9d23be693bcf11d75522b88dd7057144eb52c410cf270abb6e8db796e00b849aadf20b4a6ebb1705281c128daca412c03c3a7b50a4f4d9bc5645dae9f78aed6e975932baebfc0e7ef0b84f1691da8d09003b',
'generic.gif':
'47494638396114001600c20000ffffffccffff99999933333300000000000000000000000021fe4e546869732061727420697320696e20746865207075626c696320646f6d61696e2e204b6576696e204875676865732c206b6576696e68406569742e636f6d2c2053657074656d62657220313939350021f90401000001002c000000001400160000035038babcf1300c40ab9d23be693bcf11d75522b88dd705892831b8f08952446d13f24c09bc804b3a4befc70a027c39e391a8ac2081cd65d2f82c06ab5129b4898d76b94c2f71d02b9b79afc86dcdfe2500003b',
'blank.gif':
'47494638396114001600a10000ffffffccffff00000000000021fe4e546869732061727420697320696e20746865207075626c696320646f6d61696e2e204b6576696e204875676865732c206b6576696e68406569742e636f6d2c2053657074656d62657220313939350021f90401000001002c00000000140016000002138c8fa9cbed0fa39cb4da8bb3debcfb0f864901003b'}
|