1 | use warnings; |
---|
2 | use strict; |
---|
3 | |
---|
4 | =head1 NAME |
---|
5 | |
---|
6 | BarnOwl::Module::Twitter::Handle |
---|
7 | |
---|
8 | =head1 DESCRIPTION |
---|
9 | |
---|
10 | Contains everything needed to send and receive messages from a Twitter-like service. |
---|
11 | |
---|
12 | =cut |
---|
13 | |
---|
14 | package BarnOwl::Module::Twitter::Handle; |
---|
15 | |
---|
16 | use Net::Twitter::Lite; |
---|
17 | BEGIN { |
---|
18 | # Backwards compatibility with version of Net::Twitter::Lite that |
---|
19 | # lack home_timeline. |
---|
20 | if(!defined(*Net::Twitter::Lite::home_timeline{CODE})) { |
---|
21 | *Net::Twitter::Lite::home_timeline = |
---|
22 | \&Net::Twitter::Lite::friends_timeline; |
---|
23 | } |
---|
24 | } |
---|
25 | use HTML::Entities; |
---|
26 | |
---|
27 | use Scalar::Util qw(weaken); |
---|
28 | |
---|
29 | use BarnOwl; |
---|
30 | use BarnOwl::Message::Twitter; |
---|
31 | use POSIX qw(asctime); |
---|
32 | |
---|
33 | use constant BARNOWL_CONSUMER_KEY => "9Py27vCQl6uB5V7ijmp31A"; |
---|
34 | use constant BARNOWL_CONSUMER_SECRET => "GLhheSim8P5cVuk9FTM99KTEgWLW0LGl7gf54QWfg"; |
---|
35 | |
---|
36 | sub fail { |
---|
37 | my $self = shift; |
---|
38 | my $msg = shift; |
---|
39 | undef $self->{twitter}; |
---|
40 | my $nickname = $self->{cfg}->{account_nickname} || ""; |
---|
41 | die("[Twitter $nickname] Error: $msg\n"); |
---|
42 | } |
---|
43 | |
---|
44 | sub new { |
---|
45 | my $class = shift; |
---|
46 | my $cfg = shift; |
---|
47 | |
---|
48 | my $val; |
---|
49 | |
---|
50 | if(!exists $cfg->{default} && |
---|
51 | defined($val = delete $cfg->{default_sender})) { |
---|
52 | $cfg->{default} = $val; |
---|
53 | } |
---|
54 | |
---|
55 | if(!exists $cfg->{show_mentions} && |
---|
56 | defined($val = delete $cfg->{show_unsubscribed_replies})) { |
---|
57 | $cfg->{show_mentions} = $val; |
---|
58 | } |
---|
59 | |
---|
60 | $cfg = { |
---|
61 | account_nickname => '', |
---|
62 | default => 0, |
---|
63 | poll_for_tweets => 1, |
---|
64 | poll_for_dms => 1, |
---|
65 | publish_tweets => 0, |
---|
66 | show_mentions => 1, |
---|
67 | %$cfg |
---|
68 | }; |
---|
69 | |
---|
70 | my $self = { |
---|
71 | 'cfg' => $cfg, |
---|
72 | 'twitter' => undef, |
---|
73 | 'last_id' => undef, |
---|
74 | 'last_direct' => undef, |
---|
75 | 'timer' => undef, |
---|
76 | 'direct_timer' => undef |
---|
77 | }; |
---|
78 | |
---|
79 | bless($self, $class); |
---|
80 | |
---|
81 | my %twitter_args = @_; |
---|
82 | |
---|
83 | my ($username, $password, $xauth); |
---|
84 | |
---|
85 | if (*Net::Twitter::Lite::xauth{CODE}) { |
---|
86 | $xauth = 1; |
---|
87 | $username = delete $twitter_args{username}; |
---|
88 | $password = delete $twitter_args{password}; |
---|
89 | $twitter_args{consumer_key} = BARNOWL_CONSUMER_KEY; |
---|
90 | $twitter_args{consumer_secret} = BARNOWL_CONSUMER_SECRET; |
---|
91 | } else { |
---|
92 | BarnOwl::error("Please upgrade your version of Net::Twitter::Lite to support xAuth."); |
---|
93 | } |
---|
94 | |
---|
95 | $self->{twitter} = Net::Twitter::Lite->new(%twitter_args,); |
---|
96 | |
---|
97 | if ($xauth){ |
---|
98 | eval { |
---|
99 | $self->{twitter}->xauth($username, $password); |
---|
100 | }; |
---|
101 | if($@) { |
---|
102 | $self->fail("Invalid credentials: $@"); |
---|
103 | } |
---|
104 | } |
---|
105 | |
---|
106 | my $timeline = eval { $self->{twitter}->home_timeline({count => 1}) }; |
---|
107 | warn "$@\n" if $@; |
---|
108 | |
---|
109 | if(!defined($timeline) && !$xauth) { |
---|
110 | $self->fail("Invalid credentials"); |
---|
111 | } |
---|
112 | |
---|
113 | eval { |
---|
114 | $self->{last_id} = $timeline->[0]{id}; |
---|
115 | }; |
---|
116 | $self->{last_id} = 1 unless defined($self->{last_id}); |
---|
117 | |
---|
118 | eval { |
---|
119 | $self->{last_direct} = $self->{twitter}->direct_messages()->[0]{id}; |
---|
120 | }; |
---|
121 | warn "$@\n" if $@; |
---|
122 | $self->{last_direct} = 1 unless defined($self->{last_direct}); |
---|
123 | |
---|
124 | eval { |
---|
125 | $self->{twitter}->{ua}->timeout(1); |
---|
126 | }; |
---|
127 | warn "$@\n" if $@; |
---|
128 | |
---|
129 | $self->sleep(0); |
---|
130 | |
---|
131 | return $self; |
---|
132 | } |
---|
133 | |
---|
134 | =head2 sleep SECONDS |
---|
135 | |
---|
136 | Stop polling Twitter for SECONDS seconds. |
---|
137 | |
---|
138 | =cut |
---|
139 | |
---|
140 | sub sleep { |
---|
141 | my $self = shift; |
---|
142 | my $delay = shift; |
---|
143 | |
---|
144 | my $weak = $self; |
---|
145 | weaken($weak); |
---|
146 | |
---|
147 | if($self->{cfg}->{poll_for_tweets}) { |
---|
148 | $self->{timer} = BarnOwl::Timer->new({ |
---|
149 | after => $delay, |
---|
150 | interval => 90, |
---|
151 | cb => sub { $weak->poll_twitter if $weak } |
---|
152 | }); |
---|
153 | } |
---|
154 | |
---|
155 | if($self->{cfg}->{poll_for_dms}) { |
---|
156 | $self->{direct_timer} = BarnOwl::Timer->new({ |
---|
157 | after => $delay, |
---|
158 | interval => 180, |
---|
159 | cb => sub { $weak->poll_direct if $weak } |
---|
160 | }); |
---|
161 | } |
---|
162 | } |
---|
163 | |
---|
164 | =head2 twitter_command COMMAND ARGS... |
---|
165 | |
---|
166 | Call the specified method on $self->{twitter} with an extended |
---|
167 | timeout. This is intended for interactive commands, with the theory |
---|
168 | that if the user explicitly requested an action, it is slightly more |
---|
169 | acceptable to hang the UI for a second or two than to fail just |
---|
170 | because Twitter is being slightly slow. Polling commands should be |
---|
171 | called normally, with the default (short) timeout, to prevent |
---|
172 | background Twitter suckage from hosing the UI normally. |
---|
173 | |
---|
174 | =cut |
---|
175 | |
---|
176 | sub twitter_command { |
---|
177 | my $self = shift; |
---|
178 | my $cmd = shift; |
---|
179 | |
---|
180 | eval { $self->{twitter}->{ua}->timeout(5); }; |
---|
181 | my $result = eval { |
---|
182 | $self->{twitter}->$cmd(@_); |
---|
183 | }; |
---|
184 | my $error = $@; |
---|
185 | eval { $self->{twitter}->{ua}->timeout(1); }; |
---|
186 | if ($error) { |
---|
187 | die($error); |
---|
188 | } |
---|
189 | return $result; |
---|
190 | } |
---|
191 | |
---|
192 | sub twitter_error { |
---|
193 | my $self = shift; |
---|
194 | |
---|
195 | my $ratelimit = eval { $self->{twitter}->rate_limit_status }; |
---|
196 | BarnOwl::debug($@) if $@; |
---|
197 | unless(defined($ratelimit) && ref($ratelimit) eq 'HASH') { |
---|
198 | # Twitter's probably just sucking, try again later. |
---|
199 | $self->sleep(5*60); |
---|
200 | return; |
---|
201 | } |
---|
202 | |
---|
203 | if(exists($ratelimit->{remaining_hits}) |
---|
204 | && $ratelimit->{remaining_hits} <= 0) { |
---|
205 | my $timeout = $ratelimit->{reset_time_in_seconds}; |
---|
206 | $self->sleep($timeout - time + 60); |
---|
207 | BarnOwl::error("Twitter" . |
---|
208 | ($self->{cfg}->{account_nickname} ? |
---|
209 | "[$self->{cfg}->{account_nickname}]" : "") . |
---|
210 | ": ratelimited until " . asctime(localtime($timeout))); |
---|
211 | } elsif(exists($ratelimit->{error})) { |
---|
212 | $self->sleep(60*20); |
---|
213 | die("Twitter: ". $ratelimit->{error} . "\n"); |
---|
214 | } |
---|
215 | } |
---|
216 | |
---|
217 | sub poll_twitter { |
---|
218 | my $self = shift; |
---|
219 | |
---|
220 | return unless BarnOwl::getvar('twitter:poll') eq 'on'; |
---|
221 | |
---|
222 | BarnOwl::debug("Polling " . $self->{cfg}->{account_nickname}); |
---|
223 | |
---|
224 | my $timeline = eval { $self->{twitter}->home_timeline( { since_id => $self->{last_id} } ) }; |
---|
225 | BarnOwl::debug($@) if $@; |
---|
226 | unless(defined($timeline) && ref($timeline) eq 'ARRAY') { |
---|
227 | $self->twitter_error(); |
---|
228 | return; |
---|
229 | }; |
---|
230 | |
---|
231 | if ($self->{cfg}->{show_mentions}) { |
---|
232 | my $mentions = eval { $self->{twitter}->mentions( { since_id => $self->{last_id} } ) }; |
---|
233 | BarnOwl::debug($@) if $@; |
---|
234 | unless (defined($mentions) && ref($mentions) eq 'ARRAY') { |
---|
235 | $self->twitter_error(); |
---|
236 | return; |
---|
237 | }; |
---|
238 | #combine, sort by id, and uniq |
---|
239 | push @$timeline, @$mentions; |
---|
240 | @$timeline = sort { $b->{id} <=> $a->{id} } @$timeline; |
---|
241 | my $prev = { id => 0 }; |
---|
242 | @$timeline = grep($_->{id} != $prev->{id} && (($prev) = $_), @$timeline); |
---|
243 | } |
---|
244 | |
---|
245 | if ( scalar @$timeline ) { |
---|
246 | for my $tweet ( reverse @$timeline ) { |
---|
247 | if ( $tweet->{id} <= $self->{last_id} ) { |
---|
248 | next; |
---|
249 | } |
---|
250 | my $orig = $tweet->{retweeted_status}; |
---|
251 | $orig = $tweet unless defined($orig); |
---|
252 | |
---|
253 | my $msg = BarnOwl::Message->new( |
---|
254 | type => 'Twitter', |
---|
255 | sender => $orig->{user}{screen_name}, |
---|
256 | recipient => $self->{cfg}->{user} || $self->{user}, |
---|
257 | direction => 'in', |
---|
258 | source => decode_entities($orig->{source}), |
---|
259 | location => decode_entities($orig->{user}{location}||""), |
---|
260 | body => decode_entities($orig->{text}), |
---|
261 | status_id => $tweet->{id}, |
---|
262 | service => $self->{cfg}->{service}, |
---|
263 | account => $self->{cfg}->{account_nickname}, |
---|
264 | $tweet->{retweeted_status} ? (retweeted_by => $tweet->{user}{screen_name}) : () |
---|
265 | ); |
---|
266 | BarnOwl::queue_message($msg); |
---|
267 | } |
---|
268 | $self->{last_id} = $timeline->[0]{id} if $timeline->[0]{id} > $self->{last_id}; |
---|
269 | } else { |
---|
270 | # BarnOwl::message("No new tweets..."); |
---|
271 | } |
---|
272 | } |
---|
273 | |
---|
274 | sub poll_direct { |
---|
275 | my $self = shift; |
---|
276 | |
---|
277 | return unless BarnOwl::getvar('twitter:poll') eq 'on'; |
---|
278 | |
---|
279 | BarnOwl::debug("Polling direct for " . $self->{cfg}->{account_nickname}); |
---|
280 | |
---|
281 | my $direct = eval { $self->{twitter}->direct_messages( { since_id => $self->{last_direct} } ) }; |
---|
282 | BarnOwl::debug($@) if $@; |
---|
283 | unless(defined($direct) && ref($direct) eq 'ARRAY') { |
---|
284 | $self->twitter_error(); |
---|
285 | return; |
---|
286 | }; |
---|
287 | if ( scalar @$direct ) { |
---|
288 | for my $tweet ( reverse @$direct ) { |
---|
289 | if ( $tweet->{id} <= $self->{last_direct} ) { |
---|
290 | next; |
---|
291 | } |
---|
292 | my $msg = BarnOwl::Message->new( |
---|
293 | type => 'Twitter', |
---|
294 | sender => $tweet->{sender}{screen_name}, |
---|
295 | recipient => $self->{cfg}->{user} || $self->{user}, |
---|
296 | direction => 'in', |
---|
297 | location => decode_entities($tweet->{sender}{location}||""), |
---|
298 | body => decode_entities($tweet->{text}), |
---|
299 | private => 'true', |
---|
300 | service => $self->{cfg}->{service}, |
---|
301 | account => $self->{cfg}->{account_nickname}, |
---|
302 | ); |
---|
303 | BarnOwl::queue_message($msg); |
---|
304 | } |
---|
305 | $self->{last_direct} = $direct->[0]{id} if $direct->[0]{id} > $self->{last_direct}; |
---|
306 | } else { |
---|
307 | # BarnOwl::message("No new tweets..."); |
---|
308 | } |
---|
309 | } |
---|
310 | |
---|
311 | sub _stripnl { |
---|
312 | my $msg = shift; |
---|
313 | |
---|
314 | # strip non-newline whitespace around newlines |
---|
315 | $msg =~ s/[^\n\S]*(\n+)[^\n\S]*/$1/sg; |
---|
316 | # change single newlines to a single space; leave multiple newlines |
---|
317 | $msg =~ s/([^\n])\n([^\n])/$1 $2/sg; |
---|
318 | # strip leading and trailing whitespace |
---|
319 | $msg =~ s/\s+$//s; |
---|
320 | $msg =~ s/^\s+//s; |
---|
321 | |
---|
322 | return $msg; |
---|
323 | } |
---|
324 | |
---|
325 | sub twitter { |
---|
326 | my $self = shift; |
---|
327 | |
---|
328 | my $msg = _stripnl(shift); |
---|
329 | my $reply_to = shift; |
---|
330 | |
---|
331 | if($msg =~ m{\Ad\s+([^\s])+(.*)}sm) { |
---|
332 | $self->twitter_direct($1, $2); |
---|
333 | } elsif(defined $self->{twitter}) { |
---|
334 | if(length($msg) > 140) { |
---|
335 | die("Twitter: Message over 140 characters long.\n"); |
---|
336 | } |
---|
337 | $self->twitter_command('update', { |
---|
338 | status => $msg, |
---|
339 | defined($reply_to) ? (in_reply_to_status_id => $reply_to) : () |
---|
340 | }); |
---|
341 | } |
---|
342 | $self->poll_twitter if $self->{cfg}->{poll_for_tweets}; |
---|
343 | } |
---|
344 | |
---|
345 | sub twitter_direct { |
---|
346 | my $self = shift; |
---|
347 | |
---|
348 | my $who = shift; |
---|
349 | my $msg = _stripnl(shift); |
---|
350 | |
---|
351 | if(defined $self->{twitter}) { |
---|
352 | $self->twitter_command('new_direct_message', { |
---|
353 | user => $who, |
---|
354 | text => $msg |
---|
355 | }); |
---|
356 | if(BarnOwl::getvar("displayoutgoing") eq 'on') { |
---|
357 | my $tweet = BarnOwl::Message->new( |
---|
358 | type => 'Twitter', |
---|
359 | sender => $self->{cfg}->{user} || $self->{user}, |
---|
360 | recipient => $who, |
---|
361 | direction => 'out', |
---|
362 | body => $msg, |
---|
363 | private => 'true', |
---|
364 | service => $self->{cfg}->{service}, |
---|
365 | ); |
---|
366 | BarnOwl::queue_message($tweet); |
---|
367 | } |
---|
368 | } |
---|
369 | } |
---|
370 | |
---|
371 | sub twitter_atreply { |
---|
372 | my $self = shift; |
---|
373 | |
---|
374 | my $to = shift; |
---|
375 | my $id = shift; |
---|
376 | my $msg = shift; |
---|
377 | if(defined($id)) { |
---|
378 | $self->twitter($msg, $id); |
---|
379 | } else { |
---|
380 | $self->twitter($msg); |
---|
381 | } |
---|
382 | } |
---|
383 | |
---|
384 | sub twitter_retweet { |
---|
385 | my $self = shift; |
---|
386 | my $msg = shift; |
---|
387 | |
---|
388 | if($msg->service ne $self->{cfg}->{service}) { |
---|
389 | die("Cannot retweet a message from a different service.\n"); |
---|
390 | } |
---|
391 | $self->twitter_command(retweet => $msg->{status_id}); |
---|
392 | $self->poll_twitter if $self->{cfg}->{poll_for_tweets}; |
---|
393 | } |
---|
394 | |
---|
395 | sub twitter_follow { |
---|
396 | my $self = shift; |
---|
397 | |
---|
398 | my $who = shift; |
---|
399 | |
---|
400 | my $user = $self->twitter_command('create_friend', $who); |
---|
401 | # returns a string on error |
---|
402 | if (defined $user && !ref $user) { |
---|
403 | BarnOwl::message($user); |
---|
404 | } else { |
---|
405 | BarnOwl::message("Following " . $who); |
---|
406 | } |
---|
407 | } |
---|
408 | |
---|
409 | sub twitter_unfollow { |
---|
410 | my $self = shift; |
---|
411 | |
---|
412 | my $who = shift; |
---|
413 | |
---|
414 | my $user = $self->twitter_command('destroy_friend', $who); |
---|
415 | # returns a string on error |
---|
416 | if (defined $user && !ref $user) { |
---|
417 | BarnOwl::message($user); |
---|
418 | } else { |
---|
419 | BarnOwl::message("No longer following " . $who); |
---|
420 | } |
---|
421 | } |
---|
422 | |
---|
423 | sub nickname { |
---|
424 | my $self = shift; |
---|
425 | return $self->{cfg}->{account_nickname}; |
---|
426 | } |
---|
427 | |
---|
428 | 1; |
---|