~raj-abhilash1/mailman/bugfix

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
import string, fcntl, os, random, regsub
import mm_cfg

# Valid toplevel domains for when we check the validity of an email address.

valid_toplevels = ["com", "edu", "gov", "int", "mil", "net", "org",
"inc", "af", "al", "dz", "as", "ad", "ao", "ai", "aq", "ag", "ar",
"am", "aw", "au", "at", "az", "bs", "bh", "bd", "bb", "by", "be",
"bz", "bj", "bm", "bt", "bo", "ba", "bw", "bv", "br", "io", "bn",
"bg", "bf", "bi", "kh", "cm", "ca", "cv", "ky", "cf", "td", "cl",
"cn", "cx", "cc", "co", "km", "cg", "ck", "cr", "ci", "hr", "cu",
"cy", "cz", "dk", "dj", "dm", "do", "tp", "ec", "eg", "sv", "gq",
"ee", "et", "fk", "fo", "fj", "fi", "fr", "gf", "pf", "tf", "ga",
"gm", "ge", "de", "gh", "gi", "gb", "uk", "gr", "gl", "gd", "gp",
"gu", "gt", "gn", "gw", "gy", "ht", "hm", "hn", "hk", "hu", "is",
"in", "id", "ir", "iq", "ie", "il", "it", "jm", "jp", "jo", "kz",
"ke", "ki", "kp", "kr", "kw", "kg", "la", "lv", "lb", "ls", "lr",
"ly", "li", "lt", "lu", "mo", "mg", "mw", "my", "mv", "ml", "mt",
"mh", "mq", "mr", "mu", "mx", "fm", "md", "mc", "mn", "ms", "ma",
"mz", "mm", "na", "nr", "np", "an", "nl", "nt", "nc", "nz", "ni",
"ne", "ng", "nu", "nf", "mp", "no", "om", "pk", "pw", "pa", "pg",
"py", "pe", "ph", "pn", "pl", "pt", "pr", "qa", "re", "ro", "ru",
"rw", "kn", "lc", "vc", "sm", "st", "sa", "sn", "sc", "sl", "sg",
"sk", "si", "sb", "so", "za", "es", "lk", "sh", "pm", "sd", "sr",
"sj", "sz", "se", "ch", "sy", "tw", "tj", "tz", "th", "tg", "tk",
"to", "tt", "tn", "tr", "tm", "tc", "tv", "ug", "ua", "um", "us",
"uy", "uz", "vu", "va", "ve", "vn", "vg", "vi", "wf", "eh", "ws",
"ye", "yu", "zr", "zm", "zw"]

# Make sure the email address passed isn't grossly invalid.
# Pretty minimal, cheesy check.  We could do better...
def ValidEmail(str):
    if ((string.find(str, '|') <> -1) or (string.find(str, ';') <> -1)
	or str[0] == '-'):
	raise mm_err.MMHostileAddress
    if string.find(str, '/') <> -1:
	if os.path.isdir(os.path.split(str)[0]):
	    raise mm_err.MMHostileAddress
    user, domain_parts = ParseEmail(str)
    if not domain_parts:
	if string.find(str, '@') < 1:
	    return 0
	else:
	    return 1
    if len(domain_parts) < 2:
	return 0
    if domain_parts[-1] not in valid_toplevels:
	if len(domain_parts) <> 4:
	    return 0
	try:
	    domain_parts = map(eval, domain_parts) 
	except:
	    return 0
	for i in domain_parts:
	    if i < 0 or i > 255:
		return 0
    return 1


#
def GetPathPieces(path):
    l = string.split(path, '/')
    try:
	while 1:
	    l.remove('')
    except:
	pass
    return l

def MakeDirTree(path, perms=0744, verbose=0):
    made_part = '/'
    path_parts = GetPathPieces(path)
    for item in path_parts:
	made_part = os.path.join(made_part, item)
	if os.path.exists(made_part):
	    if not os.path.isdir(made_part):
		raise "RuntimeError", "Couldn't make dir tree for %s.  (%s already exists)" % (path, made_part)
	else:
	    os.mkdir(made_part, perms)
	    if verbose:
		print 'made directory: ', madepart
  
# This takes an email address, and returns a tuple containing (user,host)
def ParseEmail(email):
    user = None
    domain = None
    email = string.lower(email)
    at_sign = string.find(email, '@')
    if at_sign < 1:
	return (email, None)
    user = email[:at_sign]
    rest = email[at_sign+1:]
    domain = string.split(rest, '.')
    return (user, domain)

# Return 1 if the 2 addresses match.  0 otherwise.
# Might also want to match if there's any common domain name...
# There's password protection anyway.

def AddressesMatch(addr1, addr2):
    user1, domain1 = ParseEmail(addr1)
    user2, domain2 = ParseEmail(addr2)
    if user1 <> user2:
	return 0
    if domain1 == domain2:
	return 1
    l = max(len(domain1), len(domain2)) - 1
    if l < 2:
	return 0
    for i in range(l):
	if domain1[-(i+1)] <> domain2[-(i+1)]:
	    return 0
	return 1
    return 0

# Given an email address, and a list of email addresses,
# returns the subset of the list that matches the given address.
# Should sort based on exactness of match, just in case.
def FindMatchingAddresses(name, array):

    def CallAddressesMatch (x, y=name):
	return AddressesMatch(x,y)

    matches = filter(CallAddressesMatch, array)
    return matches
  
def GetRandomSeed():
    chr1 = int(random.random() * 57) + 65
    chr2 = int(random.random() * 57) + 65
    return "%c%c" % (chr1, chr2)


def SnarfMessage(msg):
    if msg.unixfrom:
	text = msg.unixfrom + string.join(msg.headers, '') + '\n' + msg.body
    else:
	text = string.join(msg.headers, '') + '\r\n' + msg.body
    return (msg.GetSender(), text) 


def QuoteHyperChars(str):
    arr = regsub.splitx(str, '[<>"&]')
    i = 1
    while i < len(arr):
	if arr[i] == '<':
	    arr[i] = '&lt;'
	elif arr[i] == '>':
	    arr[i] = '&gt;'
	elif arr[i] == '"':
	    arr[i] = '&quot;'
	else:     #if arr[i] == '&':
	    arr[i] = '&amp;'
	i = i + 2
    return string.join(arr, '')