/[irc-logger]/trunk/irc-logger.pl
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Revision 32 - (show annotations)
Mon Jun 19 11:32:16 2006 UTC (13 years, 9 months ago) by dpavlin
File MIME type: text/plain
File size: 15612 byte(s)
real-time update of tag clound, search nukes arguments
1 #!/usr/bin/perl -w
2 use strict;
3 $|++;
4
5 =head1 NAME
6
7 irc-logger.pl
8
9 =head1 SYNOPSIS
10
11 ./irc-logger.pl
12
13 =head1 DESCRIPTION
14
15 log all conversation on irc channel
16
17 =cut
18
19 ## CONFIG
20
21 my $NICK = 'irc-logger';
22 my $CONNECT =
23 {Server => 'irc.freenode.net',
24 Nick => $NICK,
25 Ircname => "try /msg $NICK help",
26 };
27 my $CHANNEL = '#razmjenavjestina';
28 my $IRC_ALIAS = "log";
29
30 my %FOLLOWS =
31 (
32 ACCESS => "/var/log/apache/access.log",
33 ERROR => "/var/log/apache/error.log",
34 );
35
36 my $DSN = 'DBI:Pg:dbname=' . $NICK;
37
38 my $ENCODING = 'ISO-8859-2';
39
40 ## END CONFIG
41
42
43
44 use POE qw(Component::IRC Wheel::FollowTail Component::Server::HTTP);
45 use HTTP::Status;
46 use DBI;
47 use Encode qw/from_to is_utf8/;
48 use Regexp::Common qw /URI/;
49 use CGI::Simple;
50 use HTML::TagCloud;
51
52 my $dbh = DBI->connect($DSN,"","", { RaiseError => 1, AutoCommit => 1 }) || die $DBI::errstr;
53
54 eval {
55 $dbh->do(qq{ select count(*) from log });
56 };
57
58 if ($@) {
59 warn "creating database table in $DSN\n";
60 $dbh->do(<<'_SQL_SCHEMA_');
61
62 create table log (
63 id serial,
64 time timestamp default now(),
65 channel text not null,
66 me boolean default false,
67 nick text not null,
68 message text not null,
69 primary key(id)
70 );
71
72 create index log_time on log(time);
73 create index log_channel on log(channel);
74 create index log_nick on log(nick);
75
76 _SQL_SCHEMA_
77 }
78
79 my $sth = $dbh->prepare(qq{
80 insert into log
81 (channel, me, nick, message)
82 values (?,?,?,?)
83 });
84
85 my $tags;
86 my $tag_regex = '\b([\w-_]+)//';
87
88 =head2 get_from_log
89
90 my @messages = get_from_log(
91 limit => 42,
92 search => '%what to stuff in ilike%',
93 fmt => {
94 time => '{%s} ',
95 time_channel => '{%s %s} ',
96 nick => '%s: ',
97 me_nick => '***%s ',
98 message => '%s',
99 },
100 filter => {
101 message => sub {
102 # modify message content
103 return shift;
104 }
105 },
106 context => 5,
107 );
108
109 Order is important. Fields are first passed through C<filter> (if available) and
110 then throgh C<< sprintf($fmt->{message}, $message >> if available.
111
112 C<context> defines number of messages around each search hit for display.
113
114 =cut
115
116 sub get_from_log {
117 my $args = {@_};
118
119 $args->{limit} ||= 10;
120
121 $args->{fmt} ||= {
122 date => '[%s] ',
123 time => '{%s} ',
124 time_channel => '{%s %s} ',
125 nick => '%s: ',
126 me_nick => '***%s ',
127 message => '%s',
128 };
129
130 my $sql_message = qq{
131 select
132 time::date as date,
133 time::time as time,
134 channel,
135 me,
136 nick,
137 message
138 from log
139 };
140
141 my $sql_context = qq{
142 select
143 id
144 from log
145 };
146
147 my $context = $1 if ($args->{search} && $args->{search} =~ s/\s*\+(\d+)\s*/ /);
148
149 my $sql = $context ? $sql_context : $sql_message;
150
151 $sql .= " where message ilike ? or nick ilike ? " if ($args->{search});
152 $sql .= " where id in (" . join(",", @{ $tags->{ $args->{tag} } }) . ") " if ($args->{tag} && $tags->{ $args->{tag} });
153 $sql .= " order by log.time desc";
154 $sql .= " limit " . $args->{limit};
155
156 my $sth = $dbh->prepare( $sql );
157 if (my $search = $args->{search}) {
158 $search =~ s/^\s+//;
159 $search =~ s/\s+$//;
160 $sth->execute( ( '%' . $search . '%' ) x 2 );
161 warn "search for '$search' returned ", $sth->rows, " results ", $context || '', "\n";
162 } elsif (my $tag = $args->{tag}) {
163 $sth->execute();
164 warn "tag '$tag' returned ", $sth->rows, " results ", $context || '', "\n";
165 } else {
166 $sth->execute();
167 }
168 my $last_row = {
169 date => '',
170 time => '',
171 channel => '',
172 nick => '',
173 };
174
175 my @rows;
176
177 while (my $row = $sth->fetchrow_hashref) {
178 unshift @rows, $row;
179 }
180
181 my @msgs = (
182 "Showing " . ($#rows + 1) . " messages..."
183 );
184
185 if ($context) {
186 my @ids = @rows;
187 @rows = ();
188
189 my $last_to = 0;
190
191 my $sth = $dbh->prepare( $sql_message . qq{ where id >= ? and id < ? } );
192 foreach my $row_id (sort { $a->{id} <=> $b->{id} } @ids) {
193 my $id = $row_id->{id} || die "can't find id in row";
194
195 my ($from, $to) = ($id - $context, $id + $context);
196 $from = $last_to if ($from < $last_to);
197 $last_to = $to;
198 $sth->execute( $from, $to );
199
200 #warn "## id: $id from: $from to: $to returned: ", $sth->rows, "\n";
201
202 while (my $row = $sth->fetchrow_hashref) {
203 push @rows, $row;
204 }
205
206 }
207 }
208
209 foreach my $row (@rows) {
210
211 $row->{time} =~ s#\.\d+##;
212
213 my $msg = '';
214
215 $msg = sprintf($args->{fmt}->{date}, $row->{date}) . ' ' if ($last_row->{date} ne $row->{date});
216 my $t = $row->{time};
217
218 if ($last_row->{channel} ne $row->{channel}) {
219 $msg .= sprintf($args->{fmt}->{time_channel}, $t, $row->{channel});
220 } else {
221 $msg .= sprintf($args->{fmt}->{time}, $t);
222 }
223
224 my $append = 1;
225
226 my $nick = $row->{nick};
227 if ($nick =~ s/^_*(.*?)_*$/$1/) {
228 $row->{nick} = $nick;
229 }
230
231 if ($last_row->{nick} ne $nick) {
232 # obfu way to find format for me_nick if needed or fallback to default
233 my $fmt = $row->{me} ? ( $args->{fmt}->{me_nick} || $args->{fmt}->{nick} ) : $args->{fmt}->{nick};
234 $fmt ||= '%s';
235
236 $nick = $args->{filter}->{nick}->($nick) if (ref($args->{filter}->{nick}) eq 'CODE');
237
238 $msg .= sprintf( $fmt, $nick );
239 $append = 0;
240 }
241
242 $args->{fmt}->{message} ||= '%s';
243 if (ref($args->{filter}->{message}) eq 'CODE') {
244 $msg .= sprintf($args->{fmt}->{message},
245 $args->{filter}->{message}->(
246 $row->{message}
247 )
248 );
249 } else {
250 $msg .= sprintf($args->{fmt}->{message}, $row->{message});
251 }
252
253 if ($append && @msgs) {
254 $msgs[$#msgs] .= " " . $msg;
255 } else {
256 push @msgs, $msg;
257 }
258
259 $last_row = $row;
260 }
261
262 return @msgs;
263 }
264
265
266 my $SKIPPING = 0; # if skipping, how many we've done
267 my $SEND_QUEUE; # cache
268
269 POE::Component::IRC->new($IRC_ALIAS);
270
271 POE::Session->create
272 (inline_states =>
273 {_start => sub {
274 $_[KERNEL]->post($IRC_ALIAS => register => 'all');
275 $_[KERNEL]->post($IRC_ALIAS => connect => $CONNECT);
276 },
277 irc_255 => sub { # server is done blabbing
278 $_[KERNEL]->post($IRC_ALIAS => join => $CHANNEL);
279 $_[KERNEL]->post($IRC_ALIAS => join => '#logger');
280 $_[KERNEL]->yield("heartbeat"); # start heartbeat
281 # $_[KERNEL]->yield("my_add", $_) for keys %FOLLOWS;
282 $_[KERNEL]->post( $IRC_ALIAS => privmsg => 'nickserv', "IDENTIFY $NICK" );
283 },
284 irc_public => sub {
285 my $kernel = $_[KERNEL];
286 my $nick = (split /!/, $_[ARG0])[0];
287 my $channel = $_[ARG1]->[0];
288 my $msg = $_[ARG2];
289
290 from_to($msg, 'UTF-8', $ENCODING);
291
292 print "$channel: <$nick> $msg\n";
293 $sth->execute($channel, 0, $nick, $msg);
294 add_tag( id => $dbh->last_insert_id(undef,undef,"log",undef),
295 message => $msg);
296 },
297 irc_ctcp_action => sub {
298 my $kernel = $_[KERNEL];
299 my $nick = (split /!/, $_[ARG0])[0];
300 my $channel = $_[ARG1]->[0];
301 my $msg = $_[ARG2];
302
303 from_to($msg, 'UTF-8', $ENCODING);
304
305 print "$channel ***$nick $msg\n";
306 $sth->execute($channel, 1, $nick, $msg);
307 add_tag( id => $dbh->last_insert_id(undef,undef,"log",undef),
308 message => $msg);
309 },
310 irc_msg => sub {
311 my $kernel = $_[KERNEL];
312 my $nick = (split /!/, $_[ARG0])[0];
313 my $msg = $_[ARG2];
314 from_to($msg, 'UTF-8', $ENCODING);
315
316 my $res = "unknown command '$msg', try /msg $NICK help!";
317 my @out;
318
319 print "<< $msg\n";
320
321 if ($msg =~ m/^help/i) {
322
323 $res = "usage: /msg $NICK comand | commands: stat - user/message stat | last - show backtrace | grep foobar - find foobar";
324
325 } elsif ($msg =~ m/^msg\s+(\S+)\s+(.*)$/i) {
326
327 print ">> /msg $1 $2\n";
328 $_[KERNEL]->post( $IRC_ALIAS => privmsg => $1, $2 );
329 $res = '';
330
331 } elsif ($msg =~ m/^stat.*?\s*(\d*)/i) {
332
333 my $nr = $1 || 10;
334
335 my $sth = $dbh->prepare(qq{
336 select nick,count(*) from log group by nick order by count desc limit $nr
337 });
338 $sth->execute();
339 $res = "Top $nr users: ";
340 my @users;
341 while (my $row = $sth->fetchrow_hashref) {
342 push @users,$row->{nick} . ': ' . $row->{count};
343 }
344 $res .= join(" | ", @users);
345 } elsif ($msg =~ m/^last.*?\s*(\d*)/i) {
346
347 foreach my $res (get_from_log( limit => $1 )) {
348 print "last: $res\n";
349 from_to($res, $ENCODING, 'UTF-8');
350 $_[KERNEL]->post( $IRC_ALIAS => privmsg => $nick, $res );
351 }
352
353 $res = '';
354
355 } elsif ($msg =~ m/^(search|grep)\s+(.*)\s*$/i) {
356
357 my $what = $2;
358
359 foreach my $res (get_from_log(
360 limit => 20,
361 search => $what,
362 )) {
363 print "search [$what]: $res\n";
364 from_to($res, $ENCODING, 'UTF-8');
365 $_[KERNEL]->post( $IRC_ALIAS => privmsg => $nick, $res );
366 }
367
368 $res = '';
369
370 }
371
372 if ($res) {
373 print ">> [$nick] $res\n";
374 from_to($res, $ENCODING, 'UTF-8');
375 $_[KERNEL]->post( $IRC_ALIAS => privmsg => $nick, $res );
376 }
377
378 },
379 irc_477 => sub {
380 print "# irc_477: ",$_[ARG1], "\n";
381 $_[KERNEL]->post( $IRC_ALIAS => privmsg => 'nickserv', "register $NICK" );
382 },
383 irc_505 => sub {
384 print "# irc_505: ",$_[ARG1], "\n";
385 $_[KERNEL]->post( $IRC_ALIAS => privmsg => 'nickserv', "register $NICK" );
386 # $_[KERNEL]->post( $IRC_ALIAS => privmsg => 'nickserv', "set hide email on" );
387 # $_[KERNEL]->post( $IRC_ALIAS => privmsg => 'nickserv', "set email dpavlin\@rot13.org" );
388 },
389 irc_registered => sub {
390 warn "## indetify $NICK\n";
391 $_[KERNEL]->post( $IRC_ALIAS => privmsg => 'nickserv', "IDENTIFY $NICK" );
392 },
393 # irc_433 => sub {
394 # print "# irc_433: ",$_[ARG1], "\n";
395 # warn "## indetify $NICK\n";
396 # $_[KERNEL]->post( $IRC_ALIAS => privmsg => 'nickserv', "IDENTIFY $NICK" );
397 # },
398 irc_372 => sub {
399 print "MOTD: ", $_[ARG1], "\n";
400 },
401 irc_snotice => sub {
402 print "(server notice): ", $_[ARG0], "\n";
403 },
404 (map
405 {
406 ;"irc_$_" => sub { }}
407 qw(
408 )),
409 # join
410 # ctcp_version
411 # connected snotice ctcp_action ping notice mode part quit
412 # 001 002 003 004 005
413 # 250 251 252 253 254 265 266
414 # 332 333 353 366 372 375 376
415 # 477
416 _child => sub {},
417 _default => sub {
418 printf "%s: session %s caught an unhandled %s event.\n",
419 scalar localtime(), $_[SESSION]->ID, $_[ARG0];
420 print "The $_[ARG0] event was given these parameters: ",
421 join(" ", map({"ARRAY" eq ref $_ ? "[@$_]" : "$_"} @{$_[ARG1]})), "\n";
422 0; # false for signals
423 },
424 my_add => sub {
425 my $trailing = $_[ARG0];
426 my $session = $_[SESSION];
427 POE::Session->create
428 (inline_states =>
429 {_start => sub {
430 $_[HEAP]->{wheel} =
431 POE::Wheel::FollowTail->new
432 (
433 Filename => $FOLLOWS{$trailing},
434 InputEvent => 'got_line',
435 );
436 },
437 got_line => sub {
438 $_[KERNEL]->post($session => my_tailed =>
439 time, $trailing, $_[ARG0]);
440 },
441 },
442 );
443
444 },
445 my_tailed => sub {
446 my ($time, $file, $line) = @_[ARG0..ARG2];
447 ## $time will be undef on a probe, or a time value if a real line
448
449 ## PoCo::IRC has throttling built in, but no external visibility
450 ## so this is reaching "under the hood"
451 $SEND_QUEUE ||=
452 $_[KERNEL]->alias_resolve($IRC_ALIAS)->get_heap->{send_queue};
453
454 ## handle "no need to keep skipping" transition
455 if ($SKIPPING and @$SEND_QUEUE < 1) {
456 $_[KERNEL]->post($IRC_ALIAS => privmsg => $CHANNEL =>
457 "[discarded $SKIPPING messages]");
458 $SKIPPING = 0;
459 }
460
461 ## handle potential message display
462 if ($time) {
463 if ($SKIPPING or @$SEND_QUEUE > 3) { # 3 msgs per 10 seconds
464 $SKIPPING++;
465 } else {
466 my @time = localtime $time;
467 $_[KERNEL]->post($IRC_ALIAS => privmsg => $CHANNEL =>
468 sprintf "%02d:%02d:%02d: %s: %s",
469 ($time[2] + 11) % 12 + 1, $time[1], $time[0],
470 $file, $line);
471 }
472 }
473
474 ## handle re-probe/flush if skipping
475 if ($SKIPPING) {
476 $_[KERNEL]->delay($_[STATE] => 0.5); # $time will be undef
477 }
478
479 },
480 my_heartbeat => sub {
481 $_[KERNEL]->yield(my_tailed => time, "heartbeat", "beep");
482 $_[KERNEL]->delay($_[STATE] => 10);
483 }
484 },
485 );
486
487 # tags support
488
489 my $cloud = HTML::TagCloud->new;
490
491 =head2 add_tag
492
493 add_tag( id => 42, message => 'irc message' );
494
495 =cut
496
497 sub add_tag {
498 my $arg = {@_};
499
500 return unless ($arg->{id} && $arg->{message});
501
502 my $m = $arg->{message};
503 from_to('UTF-8', 'iso-8859-2', $m) if (is_utf8($m));
504
505 while ($m =~ s#$tag_regex##s) {
506 my $tag = $1;
507 next if (! $tag || $tag =~ m/https?:/i);
508 push @{ $tags->{$tag} }, $arg->{id};
509 warn "+tag $tag: $arg->{id}\n";
510 $cloud->add($tag, "?tag=$tag", scalar @{$tags->{$tag}} + 1);
511 }
512 }
513
514 =head2 seed_tags
515
516 Read all tags from database and create in-memory cache for tags
517
518 =cut
519
520 sub seed_tags {
521 my $sth = $dbh->prepare(qq{ select id,message from log where message like '%//%' });
522 $sth->execute;
523 while (my $row = $sth->fetchrow_hashref) {
524 add_tag( %$row );
525 }
526
527 foreach my $tag (keys %$tags) {
528 $cloud->add($tag, "?tag=$tag", scalar @{$tags->{$tag}} + 1);
529 }
530 }
531
532 seed_tags;
533
534 # http server
535
536 my $httpd = POE::Component::Server::HTTP->new(
537 Port => $NICK =~ m/-dev/ ? 8001 : 8000,
538 ContentHandler => { '/' => \&root_handler },
539 Headers => { Server => 'irc-logger' },
540 );
541
542 my %escape = ('<'=>'&lt;', '>'=>'&gt;', '&'=>'&amp;', '"'=>'&quot;');
543 my $escape_re = join '|' => keys %escape;
544
545 my $style = <<'_END_OF_STYLE_';
546 p { margin: 0; padding: 0.1em; }
547 .time, .channel { color: #808080; font-size: 60%; }
548 .date { float: right; background: #e0e0e0; color: #404040; font-size: 120%; padding: 0.25em; border: 1px dashed #808080; }
549 .nick { color: #000000; font-size: 80%; padding: 2px; font-family: courier, courier new, monospace ; }
550 .message { color: #000000; font-size: 100%; }
551 .search { float: right; }
552 .col-0 { background: #ffff66 }
553 .col-1 { background: #a0ffff }
554 .col-2 { background: #99ff99 }
555 .col-3 { background: #ff9999 }
556 .col-4 { background: #ff66ff }
557 a:link.tag, a:visited.tag { border: 1px dashed #ccc; backgound: #ccc; text-decoration: none }
558 a:hover.tag { border: 1px solid #eee }
559 _END_OF_STYLE_
560
561 my $max_color = 4;
562
563 my %nick_enumerator;
564
565 sub root_handler {
566 my ($request, $response) = @_;
567 $response->code(RC_OK);
568 $response->content_type("text/html; charset=$ENCODING");
569
570 my $q;
571
572 if ( $request->method eq 'POST' ) {
573 $q = new CGI::Simple( $request->content );
574 } elsif ( $request->uri =~ /\?(.+)$/ ) {
575 $q = new CGI::Simple( $1 );
576 } else {
577 $q = new CGI::Simple;
578 }
579
580 my $search = $q->param('search') || $q->param('grep') || '';
581
582 $response->content(
583 qq{<html><head><title>$NICK</title><style type="text/css">$style} .
584 $cloud->css .
585 qq{</style></head><body>} .
586 qq{
587 <form method="post" class="search" action="/">
588 <input type="text" name="search" value="$search" size="10">
589 <input type="submit" value="search">
590 </form>
591 } .
592 $cloud->html(500) .
593 qq{<p>} .
594 join("</p><p>",
595 get_from_log(
596 limit => $q->param('last') || 100,
597 search => $search || undef,
598 tag => $q->param('tag') || undef,
599 fmt => {
600 date => '<hr size="1" style="clear: both;"/><div class="date">%s</div> ',
601 time => '<span class="time">%s</span> ',
602 time_channel => '<span class="channel">%s %s</span> ',
603 nick => '%s:&nbsp;',
604 me_nick => '***%s&nbsp;',
605 message => '<span class="message">%s</span>',
606 },
607 filter => {
608 message => sub {
609 my $m = shift || return;
610 $m =~ s/($escape_re)/$escape{$1}/gs;
611 $m =~ s#($RE{URI}{HTTP})#<a href="$1">$1</a>#gs;
612 $m =~ s#$tag_regex#<a href="?tag=$1" class="tag">$1</a>#g;
613 return $m;
614 },
615 nick => sub {
616 my $n = shift || return;
617 if (! $nick_enumerator{$n}) {
618 my $max = scalar keys %nick_enumerator;
619 $nick_enumerator{$n} = $max + 1;
620 }
621 return '<span class="nick col-' .
622 ( $nick_enumerator{$n} % $max_color ) .
623 '">' . $n . '</span>';
624 },
625 },
626 )
627 ) .
628 qq{</p></body></html>}
629 );
630 return RC_OK;
631 }
632
633 POE::Kernel->run;

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