/usr/lib/python2.7/dist-packages/pygopherd/handlers/url.py is in pygopherd 2.0.18.3+nmu4.
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 | # pygopherd -- Gopher-based protocol server in Python
# module: Special handling for URLs
# 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
import os, stat, os.path, mimetypes
from pygopherd import protocols, gopherentry, handlers
from pygopherd.handlers.base import BaseHandler
class HTMLURLHandler(BaseHandler):
"""Will take requests for a URL-like selector and generate
a HTML page redirecting people to the actual URL.
This implementation adheres to the proposal as specified at
http://www.complete.org/mailinglists/archives/gopher-200202/msg00033.html
"""
def isrequestsecure(self):
"""For URLs, it is valid to have .., //, etc in the URLs."""
return self.canhandlerequest() and \
self.selector.find("\0") == -1 and \
self.selector.find("\n") == -1 and \
self.selector.find("\t") == -1 and \
self.selector.find('"') == -1 and \
self.selector.find("\r") == -1
def canhandlerequest(self):
"""We can handle the request if it's for something that starts
with http or https."""
return re.search("^(/|)URL:.+://", self.selector)
def getentry(self):
if not self.entry:
self.entry = gopherentry.GopherEntry(self.selector, self.config)
self.entry.name = self.selector
self.entry.mimetype = 'text/html'
self.entry.type = 'h'
return self.entry
# We have nothing to prepare.
def write(self, wfile):
url = self.selector[4:] # Strip off URL:
if self.selector[0] == '/':
url = self.selector[5:]
outdoc = "<HTML><HEAD>\n"
outdoc += '<META HTTP-EQUIV="refresh" content="5;URL=%s">' % url
outdoc += "</HEAD><BODY>\n"
outdoc += """
You are following a link from gopher to a website. You will be
automatically taken to the web site shortly. If you do not get
sent there, plesae click """
outdoc += '<A HREF="%s">here</A> ' % url
outdoc += """to go to the web site.
<P>
The URL linked is:
<P>"""
outdoc += '<A HREF="%s">%s</A>' % (url, url)
outdoc += """<P>
Thanks for using gopher!
<P>
Document generated by pygopherd handlers.url.HTMLURLHandler
</BODY></HTML>"""
wfile.write(outdoc)
class URLTypeRewriter(BaseHandler):
"""Will take URLs that start with a file type (ie,
/1/devel/offlineimap) and remove the type (/devel/offlineimap). Useful
if you want to make relative links in both gopher and http space in
a single document."""
def canhandlerequest(self):
return len(self.selector) >= 3 and \
self.selector[0] == '/' and \
self.selector[2] == '/'
def gethandler(self):
handlerlist = [x for x in handlers.HandlerMultiplexer.handlers if
x != URLTypeRewriter]
return handlers.HandlerMultiplexer.getHandler(self.selector[2:],
self.searchrequest, self.protocol,
self.config, handlerlist)
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