Commit | Line | Data |
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ac7e2c54 TH |
1 | # UVreadmail: functions for reading and processing mailfiles |
2 | # Used by uvvote.pl, uvcfv.pl, uvbounce.pl | |
3 | ||
4 | package UVreadmail; | |
5 | ||
6 | use strict; | |
7 | use UVconfig; | |
8 | use UVmessage; | |
9 | use MIME::QuotedPrint; | |
10 | use MIME::Base64; | |
11 | use MIME::Parser; | |
12 | use POSIX qw(strftime); | |
13 | ||
14 | use vars qw($VERSION); | |
15 | ||
16 | # Module version | |
17 | $VERSION = "0.11"; | |
18 | ||
19 | sub process { | |
20 | ||
21 | # $filename: file containing bounces or (if POP3 is enabled) where | |
22 | # mails should be saved | |
23 | # $callsub: reference to a sub which should be called for each mail | |
24 | # $caller: 0 = uvvote.pl, 1 = uvcfv.pl, 2 = uvbounce.pl | |
25 | # 3 = uvbounce.pl but POP3 disabled (overrides $config{pop3} | |
26 | # | |
27 | ||
28 | my ($filename, $callsub, $caller) = @_; | |
29 | my ($voter_addr, $voter_name, $body); | |
30 | my $count = 0; | |
31 | my ($pop3server, $pop3user, $pop3pass, $pop3delete, $pop3uidlcache); | |
32 | my @mails = (); | |
33 | $caller ||= 0; | |
34 | ||
35 | if ($config{pop3} && $caller<3) { | |
36 | ||
37 | if ($caller == 1) { | |
38 | # Ballot request (personal = 1 set in usevote.cfg) from uvcfv.pl | |
39 | $pop3server = $config{pop3server_req} . ':' . $config{pop3port_req}; | |
40 | $pop3user = $config{pop3user_req}; | |
41 | $pop3pass = $config{pop3pass_req}; | |
42 | $pop3delete = $config{pop3delete_req}; | |
43 | $pop3uidlcache = $config{pop3uidlcache_req}; | |
44 | } elsif ($caller == 2) { | |
45 | # called from uvbounce.pl | |
46 | $pop3server = $config{pop3server_bounce} . ':' . $config{pop3port_bounce}; | |
47 | $pop3user = $config{pop3user_bounce}; | |
48 | $pop3pass = $config{pop3pass_bounce}; | |
49 | $pop3delete = $config{pop3delete_bounce}; | |
50 | $pop3uidlcache = $config{pop3uidlcache_bounce}; | |
51 | } else { | |
52 | $pop3server = $config{pop3server} . ':' . $config{pop3port}; | |
53 | $pop3user = $config{pop3user}; | |
54 | $pop3pass = $config{pop3pass}; | |
55 | $pop3delete = $config{pop3delete}; | |
56 | $pop3uidlcache = $config{pop3uidlcache}; | |
57 | } | |
58 | ||
59 | # read list of seen mails (UIDLs) | |
60 | my %uidls = (); # hash for quick searching | |
61 | my @uidls = (); # array to preserve order | |
62 | my $cacheexist = 1; | |
63 | open (UIDLCACHE, "<$pop3uidlcache") or $cacheexist = 0; | |
64 | if ($cacheexist) { | |
65 | while (my $uidl = <UIDLCACHE>) { | |
66 | chomp ($uidl); | |
67 | $uidls{$uidl} = 1; | |
68 | push (@uidls, $uidl); | |
69 | } | |
70 | close (UIDLCACHE); | |
71 | } | |
72 | ||
73 | print UVmessage::get("READMAIL_STATUS"), "\n" unless ($caller == 2); | |
74 | ||
75 | # open POP3 connection and get new mails | |
76 | use Net::POP3; | |
77 | my $pop = Net::POP3->new($pop3server) | |
78 | or die UVmessage::get("READMAIL_NOCONNECTION") . "\n\n"; | |
79 | ||
80 | my $mailcount = $pop->login($pop3user, $pop3pass); | |
81 | ||
82 | die UVmessage::get("READMAIL_NOLOGIN") . "\n\n" unless ($mailcount); | |
83 | ||
84 | for (my $n=1; $n<=$mailcount; $n++) { | |
85 | my $uidl = $pop->uidl($n); | |
86 | if ($uidl) { | |
87 | next if ($uidls{$uidl}); | |
88 | $uidls{$uidl} = 1; | |
89 | push (@uidls, $uidl); | |
90 | } | |
91 | my $mailref = $pop->get($n) | |
92 | or print STDERR UVmessage::get("READMAIL_GET_PROBLEM", (NR => $n)) . "\n"; | |
93 | my $mail = join ('', @$mailref); | |
94 | my $fromline = 'From '; | |
95 | if ($mail =~ /From: .*?<(.+?)>/) { | |
96 | $fromline .= $1; | |
97 | } elsif ($mail =~ /From:\s+?(\S+?\@\S+?)\s/) { | |
98 | $fromline .= $1; | |
99 | } else { | |
100 | $fromline .= 'foo@bar.invalid'; | |
101 | } | |
102 | $fromline .= ' ' . strftime ('%a %b %d %H:%M:%S %Y', localtime) . "\n"; | |
103 | push (@mails, $fromline . $mail); | |
104 | if ($pop3delete) { | |
105 | $pop->delete($n) | |
106 | or print STDERR UVmessage::get("READMAIL_DEL_PROBLEM", (NR => $n)) . "\n"; | |
107 | } | |
108 | } | |
109 | ||
110 | # save UIDLs | |
111 | my $uidlerr = 0; | |
112 | open (UIDLCACHE, ">$pop3uidlcache") or $uidlerr = 1; | |
113 | if ($uidlerr) { | |
114 | print STDERR UVmessage::get("READMAIL_UIDL_PROBLEM") . "\n"; | |
115 | print STDERR UVmessage::get("READMAIL_UIDL_PROBLEM2") . "\n"; | |
116 | } else { | |
117 | print UIDLCACHE join("\n", @uidls); | |
118 | close (UIDLCACHE) or print STDERR UVmessage::get("READMAIL_UIDL_CLOSE") . "\n"; | |
119 | } | |
120 | ||
121 | # make archive of all mails | |
122 | my $fileproblem = 0; | |
123 | open (VOTES, ">$filename") or $fileproblem = 1; | |
124 | if ($fileproblem) { | |
125 | print STDERR UVmessage::get("READMAIL_ARCHIVE_PROBLEM", | |
126 | (FILE => $filename)) . "\n"; | |
127 | } else { | |
128 | print VOTES join ("\n", @mails); | |
129 | close (VOTES) | |
130 | or print STDERR UVmessage::get("READMAIL_ARCHIVE_CLOSE", | |
131 | (FILE => $filename)) . "\n"; | |
132 | } | |
133 | ||
134 | $pop->quit(); | |
135 | ||
136 | } else { | |
137 | # open mail file | |
138 | open(VOTES, "<$filename") | |
139 | or die UVmessage::get("READMAIL_NOMAILFILE", (FILE => $filename)) . "\n\n"; | |
140 | ||
141 | # read all mails | |
142 | my $i = 0; | |
143 | while (<VOTES>) { | |
144 | if (/$config{mailstart}/) { | |
145 | $i++; | |
146 | } | |
147 | $mails[$i] = ($mails[$i] || "") . $_; | |
148 | } | |
149 | ||
150 | # close mail file | |
151 | close(VOTES); | |
152 | } | |
153 | ||
154 | foreach my $mail (@mails) { | |
155 | next unless $mail; | |
156 | ||
157 | # split mail into array and remove first line (from line) | |
158 | my @mail = split(/\n/, $mail); | |
159 | shift (@mail) if ($mail[0] =~ /^From /); | |
160 | ||
161 | # generate MIME-Parser object for the mail | |
162 | my $parser = new MIME::Parser; | |
163 | # headers are to be decoded | |
164 | $parser->decode_headers(1); | |
165 | # don't write into file | |
166 | $parser->output_to_core(1); | |
167 | ||
168 | # read mail | |
169 | my $entity = $parser->parse_data(join("\n", @mail)); | |
170 | my $head = $entity->head; | |
171 | ||
172 | # extract address and name | |
173 | my $from = $head->get('From') || ''; | |
174 | ||
175 | if ($from =~ /\s*([^<]\S+\@\S+[^>]) \((.+)\)/) { | |
176 | ($voter_addr, $voter_name) = ($1, $2); | |
177 | } elsif ($from =~ /\s*\"?([^\"]+)\"?\s*<(\S+\@\S+)>/) { | |
178 | ($voter_name, $voter_addr) = ($1, $2); | |
179 | $voter_name =~ s/\s+$//; # kill spaces at the end | |
180 | } elsif ($from =~ /\s*<?(\S+\@[^\s>]+)>?[^\(\)]*/) { | |
181 | ($voter_addr, $voter_name) = ($1, ''); | |
182 | } else { | |
183 | # initialize with empty value | |
184 | $voter_addr = ''; | |
185 | $voter_name = ''; | |
186 | } | |
187 | ||
188 | # look at reply-to? | |
189 | if ($config{replyto}) { | |
190 | ||
191 | my $replyto = Mail::Field->new('Reply-To', $head->get('Reply-To')); | |
192 | ||
193 | # Address in Reply-To? | |
194 | ($voter_addr) = $replyto->addresses() if ($replyto->addresses()); | |
195 | ||
196 | # Name in reply-to? | |
197 | if ($replyto->names()) { | |
198 | my ($nametmp) = $replyto->names(); | |
199 | $voter_name = $nametmp unless ($nametmp =~ /^\s*$/); | |
200 | } | |
201 | ||
202 | } | |
203 | ||
204 | # decode body | |
205 | my $encoding = $head->get('Content-Transfer-Encoding') || ''; | |
206 | if ($encoding =~ /quoted-printable/i) { | |
207 | $body = decode_qp($entity->stringify_body); | |
208 | } elsif ($encoding =~ /base64/i) { | |
209 | $body = decode_base64($entity->stringify_body); | |
210 | } else { | |
211 | $body = $entity->stringify_body; | |
212 | } | |
213 | ||
214 | my $h_date = $head->get('Date') || ''; | |
215 | chomp $h_date; | |
216 | ||
217 | # call referred sub and increase counter | |
218 | &$callsub($voter_addr, $voter_name, $h_date, $entity, \$body); | |
219 | $count++; | |
220 | } | |
221 | ||
222 | return $count; | |
223 | } | |
224 | ||
225 | 1; |