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
|
=begin
Feed2Imap - RSS/Atom Aggregator uploading to an IMAP Server
Copyright (c) 2005 Lucas Nussbaum <lucas@lucas-nussbaum.net>
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; either version 2 of the License, or
(at your option) any later version.
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
=end
# Imap connection handling
require 'feed2imap/rubyimap'
begin
require 'openssl'
rescue LoadError
end
require 'uri'
# This class is a container of IMAP accounts.
# Thanks to it, accounts are re-used : several feeds
# using the same IMAP account will create only one
# IMAP connection.
class ImapAccounts < Hash
def add_account(uri)
u = URI::Generic::build({ :scheme => uri.scheme,
:userinfo => uri.userinfo,
:host => uri.host,
:port => uri.port })
if not include?(u)
ac = ImapAccount::new(u)
self[u] = ac
end
return self[u]
end
end
# This class is an IMAP account, with the given fd
# once the connection has been established
class ImapAccount
attr_reader :uri
def initialize(uri)
@uri = uri
@existing_folders = []
self
end
# connects to the IMAP server
# raises an exception if it fails
def connect
port = 143
usessl = false
if uri.scheme == 'imap'
port = 143
usessl = false
elsif uri.scheme == 'imaps'
port = 993
usessl = true
else
raise "Unknown scheme: #{uri.scheme}"
end
# use given port if port given
port = uri.port if uri.port
@connection = Net::IMAP::new(uri.host, port, usessl)
user, password = URI::unescape(uri.userinfo).split(':',2)
@connection.login(user, password)
self
end
# disconnect from the IMAP server
def disconnect
if @connection
@connection.logout
@connection.disconnect
end
end
# tests if the folder exists and create it if not
def create_folder_if_not_exists(folder)
return if @existing_folders.include?(folder)
if @connection.list('', folder).nil?
@connection.create(folder)
@connection.subscribe(folder)
end
@existing_folders << folder
end
# Put the mail in the given folder
# You should check whether the folder exist first.
def putmail(folder, mail, date = Time::now)
create_folder_if_not_exists(folder)
@connection.append(folder, mail.gsub(/\n/, "\r\n"), nil, date)
end
# update a mail
def updatemail(folder, mail, id, date = Time::now)
create_folder_if_not_exists(folder)
@connection.select(folder)
searchres = @connection.search(['HEADER', 'Message-Id', id])
flags = nil
if searchres.length > 0
# we get the flags from the first result and delete everything
flags = @connection.fetch(searchres[0], 'FLAGS')[0].attr['FLAGS']
searchres.each { |m| @connection.store(m, "+FLAGS", [:Deleted]) }
@connection.expunge
flags -= [ :Recent ] # avoids errors with dovecot
end
@connection.append(folder, mail.gsub(/\n/, "\r\n"), flags, date)
end
# convert to string
def to_s
u2 = uri.clone
u2.password = 'PASSWORD'
u2.to_s
end
# remove mails in a folder according to a criteria
def cleanup(folder, dryrun = false)
puts "-- Considering #{folder}:"
@connection.select(folder)
a = ['SEEN', 'NOT', 'FLAGGED', 'BEFORE', (Date::today - 3).strftime('%d-%b-%Y')]
todel = @connection.search(a)
todel.each do |m|
f = @connection.fetch(m, "FULL")
d = f[0].attr['INTERNALDATE']
s = f[0].attr['ENVELOPE'].subject
if s =~ /^=\?utf-8\?b\?/
s = Base64::decode64(s.gsub(/^=\?utf-8\?b\?(.*)\?=$/, '\1')).toISO_8859_1('utf-8')
end
if dryrun
puts "To remove: #{s} (#{d})"
else
puts "Removing: #{s} (#{d})"
@connection.store(m, "+FLAGS", [:Deleted])
end
end
puts "-- Deleted #{todel.length} messages."
if not dryrun
@connection.expunge
end
return todel.length
end
end
|
