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
|
#!/usr/bin/ruby
# msuck - suck NNTP groups into Maildirs
#
# msuck [-s NNTPSERVER[:PORT]] [-d BASEDIR] [-l LIMIT] GROUPS... to fetch GROUPS
# msuck [-s NNTPSERVER[:PORT]] -L to list all groups
require 'socket'
require 'fileutils'
require 'optparse'
$delivery = 0
HOST = Socket.gethostname
def genname(id)
$delivery += 1
t = Time.now
"%d.M%06dP%05dQ%d.%s,N=%d" % [t.tv_sec, t.tv_usec, $$, $delivery, HOST, id]
end
params = ARGV.getopts("d:fl:s:L")
dir = params["d"] || '.'
LIMIT = if params["l"]
Integer(params["l"])
else
10
end
port = 119
if params["s"] =~ /(.*):(.*)/
params["s"] = $1
port = Integer($2)
end
SERVER = params["s"] || ENV["NNTPSERVER"] || "news"
nntp = TCPSocket.new SERVER, port
msg = nntp.gets
abort msg unless msg =~ /^20[01] /
if params["L"] # list all groups
nntp.write("LIST NEWSGROUPS\r\n")
msg = nntp.gets
if msg !~ /^215 /
abort msg
end
loop {
msg = nntp.gets
break if msg == ".\r\n"
puts msg
}
exit
end
STDOUT.sync = true
ARGV.each { |group|
nntp.write("GROUP #{group}\r\n")
msg = nntp.gets
unless msg =~ /^211 /
STDERR.puts msg
$exit = 69
next
end
_, number, low, high, _ = msg.split(" ", 5)
number = number.to_i
low = low.to_i
high = high.to_i
low = high - LIMIT + 1 if number > LIMIT - 1
low = 1 if low <= 0
FileUtils.mkdir_p(File.join(dir, group, "cur"))
FileUtils.mkdir_p(File.join(dir, group, "new"))
FileUtils.mkdir_p(File.join(dir, group, "tmp"))
have = Dir.entries(File.join(dir, group, "cur")).
map { |f| $1.to_i if f =~ /N=(\d+)/ }.compact
ourhigh = have.max
if ourhigh && low < ourhigh && !params["f"]
low = ourhigh + 1
end
next if low > high
printf "%s %d-%d ", group, low, high
nntp.write("STAT #{low}\r\n")
msg = nntp.gets
_, num, mid, _ = msg.split(" ", 4)
loop {
unless have.include? num.to_i
nntp.write("ARTICLE\r\n")
msg = nntp.gets
if msg =~ /^220 /
_, num, mid, _ = msg.split(" ", 4)
text = ["X-Msuck: nntp://#{SERVER}/#{group}/#{num}\n"]
loop {
msg = nntp.gets
break if msg == ".\r\n"
msg.sub!(/\A\./, "")
msg.sub!(/\r\n\z/, "\n")
text << msg
}
text = text.join
name = genname(num)
File.write(File.join(dir, group, "tmp", name), text)
File.rename(File.join(dir, group, "tmp", name),
File.join(dir, group, "cur", name + ":2,"))
print "."
else
STDERR.puts msg
end
else
print "="
end
nntp.write("NEXT\r\n")
msg = nntp.gets
if msg !~ /^223 /
break
end
_, num, mid, _ = msg.split(" ", 4)
}
puts
}
exit $exit || 0
|