cookiemonster
Sprache: English
Programmiersprache: Python
Veröffentlicht von: jmcvetta [nicht registriert]
Letzte Änderung: 15.05.2006
Aufrufe: 1073
Beschreibung
Eats all (netscape) cookies except those you tell it not to eat. Useful if you want cookies enabled, but don't want people gathering too much information about you.
Code
1 #!/usr/local/bin/python
2 '''
3 Cookie Monster
4
5 Eats all the cookies you don't want. (A considerable improvement over Sesame
6 Street's Cookie Monster, who would eat /all/ the cookies he could get his
7 hands on.)
8
9 ==============================================================================
10
11 The latest version of this software may be obtained at:
12
13 http://larkin.dyndns.org/software
14
15 Other software by the same author may be found at:
16
17 http://larkin.dyndns.org/software
18
19 The author may be contacted at this address:
20
21 mcvetta.3@osu.edu
22
23 Users are highly encouraged to send their comments, suggestions, cash
24 contributions, and/or snide remarks.
25
26 This is free software. However, if you feel an unavoidable urge to pay for it,
27 please make a donation to the ACLU <www.aclu.org> or Solidarity
28 <www.solidarity-us.org>.
29
30 ==============================================================================
31
32 $Id: cookiemonster.py,v 1.4 2001/04/17 22:18:06 jmcvetta Exp $
33
34 ==============================================================================
35
36 Copyright (c) 2001 Jason R. McVetta
37
38 Permission is hereby granted, free of charge, to any person obtaining a copy of
39 this software and associated documentation files (the "Software"), to deal in
40 the Software without restriction, including without limitation the rights to
41 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
42 of the Software, and to permit persons to whom the Software is furnished to do
43 so, subject to the following conditions:
44
45 The above copyright notice and this permission notice shall be included in all
46 copies or substantial portions of the Software.
47
48 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
49 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
50 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
51 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
52 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
53 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
54 SOFTWARE.
55 '''
56 #== DEFAULTS =================================================================
57 cookiefile = '~/.netscape/cookies'
58 rcfile = '~/.cookiemonsterrc'
59
60 #== MAIN =====================================================================
61 import re, string, os
62
63 # There should be command line options here to specify cookiefile and/or
64 # rcfile.
65
66 cookiefile = os.path.expanduser(cookiefile)
67 rcfile = os.path.expanduser(rcfile)
68
69 for file in cookiefile, rcfile: # Make sure the needed files exist
70 if not os.path.isfile(file):
71 import sys
72 sys.exit('Cookiemonster: Fatal Error!\n File not found: "%s".' \
73 % file)
74
75 f = open(rcfile, 'r')
76 rctext = f.read()
77 f.close()
78 del f
79
80 valid_domain = re.compile(r'''
81 [.]? # It's okay if the domain begins with a dot
82 (\w+ # Nth-level domain name (non-top)
83 [.] # Dot
84 )+ # Repeat at least once
85 (com|edu|net|org|
86 gov|mil|uk) # Top-level domain (US & UK only, unless there's need)
87 $ # End of the line
88 ''', re.VERBOSE)
89
90 domainlist = []
91 rclines = string.split(rctext, '\n')
92 # For some reason string.split() puts a blank element at the end of the tuple.
93 if '' == rclines[ len(rclines) - 1 ]:
94 rclines = rclines[ : len(rclines) - 1 ]
95 for item in rclines:
96 if valid_domain.match(item):
97 item = string.replace(item, '.', '[.]')
98 domainlist.append(item)
99 else:
100 print ' %s: "%s" is not a valid domain.' % (rcfile, item)
101
102 domainlist = string.join(domainlist, '|')
103 domainlist = '(' + domainlist + ')$'
104 noeat = re.compile(domainlist)
105
106 f = open(cookiefile, 'r')
107 cookielist = f.read()
108 f.close()
109 del f
110
111 comments = [] # Comments, which begin with a '#'
112 goodcookies = [] # Cookies we will be keeping
113 cookielist = string.split(cookielist, '\n')
114 for cookie in cookielist:
115 if not cookie: # Skip blank lines
116 continue
117 if '#' == cookie[0]:
118 comments.append(cookie)
119 continue
120 try:
121 index = string.index(cookie, '\t')
122 except:
123 print 'Invalid cookie format:'
124 print ' %s' % cookie
125 continue
126 cookiedomain = cookie[ : index]
127 if noeat.match(cookiedomain):
128 goodcookies.append(cookie)
129
130 comments = string.join(comments, '\n')
131 goodcookies = string.join(goodcookies, '\n')
132
133 f = open(cookiefile, 'w+')
134 f.write(comments)
135 f.write('\n\n')
136 f.write(goodcookies)
137 f.close()
138 del f
139
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