# -*- Mode: Python; tab-width: 4 -*-
#
# Author: Sam Rushing <rushing@nightmare.com>
# Copyright 1996, 1997 by Sam Rushing
# All Rights Reserved.
#
RCS_ID = '$Id: unix_user_handler.py,v 1.3 2001/05/01 11:44:49 andreas Exp $'
# support for `~user/public_html'.
import re
import string
import default_handler
import filesys
import os
import pwd
get_header = default_handler.get_header
user_dir = re.compile ('/~([^/]+)(.*)')
class unix_user_handler (default_handler.default_handler):
def __init__ (self, public_html = 'public_html'):
self.public_html = public_html
default_handler.default_handler.__init__ (self, None)
# cache userdir-filesystem objects
fs_cache = {}
def match (self, request):
m = user_dir.match (request.uri)
return m and (m.end() == len (request.uri))
def handle_request (self, request):
# get the user name
user = user_dir.group(1)
rest = user_dir.group(2)
# special hack to catch those lazy URL typers
if not rest:
request['Location'] = 'http://%s/~%s/' % (
request.channel.server.server_name,
user
)
request.error (301)
return
# have we already built a userdir fs for this user?
if self.fs_cache.has_key (user):
fs = self.fs_cache[user]
else:
# no, well then, let's build one.
# first, find out where the user directory is
try:
info = pwd.getpwnam (user)
except KeyError:
request.error (404)
return
ud = info[5] + '/' + self.public_html
if os.path.isdir (ud):
fs = filesys.os_filesystem (ud)
self.fs_cache[user] = fs
else:
request.error (404)
return
# fake out default_handler
self.filesystem = fs
# massage the request URI
request.uri = '/' + rest
return default_handler.default_handler.handle_request (self, request)
def __repr__ (self):
return '<Unix User Directory Handler at %08x [~user/%s, %d filesystems loaded]>' % (
id(self),
self.public_html,
len(self.fs_cache)
)
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