-
Notifications
You must be signed in to change notification settings - Fork 127
/
TwitterHandler.php
290 lines (267 loc) · 9.98 KB
/
TwitterHandler.php
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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
<?php
/**
* Copyright 2009-2014 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL-2). If you
* did not receive this file, see http://www.horde.org/licenses/lgpl.
*
* @author Michael J Rubinsky <mrubinsk.horde.org>
* @category Horde
* @license http://www.horde.org/licenses/lgpl LGPL-2
* @package Horde
*/
/**
* Defines the AJAX actions used in the Twitter client.
*
* @author Michael J Rubinsky <mrubinsk.horde.org>
* @category Horde
* @license http://www.horde.org/licenses/lgpl LGPL-2
* @package Horde
*/
class Horde_Ajax_Application_TwitterHandler extends Horde_Core_Ajax_Application_Handler
{
/**
* Update the twitter timeline.
*
* @return array An hash containing the following keys:
* - o: The id of the oldest tweet
* - n: The id of the newest tweet
* - c: The HTML content
*/
public function twitterUpdate()
{
global $conf;
if (empty($conf['twitter']['enabled'])) {
return _("Twitter not enabled.");
}
switch ($this->vars->actionID) {
case 'getPage':
return $this->_doTwitterGetPage();
}
}
/**
* Retweet a tweet. Expects the following in $this->vars:
* - tweetId: The tweet id to retweet.
* - i:
*
* @return string The HTML to render the newly retweeted tweet.
*/
public function retweet()
{
$twitter = $this->_getTwitterObject();
try {
$tweet = json_decode($twitter->statuses->retweet($this->vars->tweetId));
$html = $this->_buildTweet($tweet)->render('twitter_tweet');
return $html;
} catch (Horde_Service_Twitter_Exception $e) {
$this->_twitterError($e);
}
}
/**
* Favorite a tweet. Expects:
* - tweetId:
*
* @return stdClass
*/
public function favorite()
{
$twitter = $this->_getTwitterObject();
try {
return json_decode($twitter->favorites->create($this->vars->tweetId));
} catch (Horde_Service_Twitter_Exception $e) {
$this->_twitterError($e);
}
}
/**
* Unfavorite a tweet. Expects:
* - tweetId:
*/
public function unfavorite()
{
$twitter = $this->_getTwitterObject();
try {
return json_decode($twitter->favorites->destroy($this->vars->tweetId));
} catch (Horde_Service_Twitter_Exception $e) {
$this->_twitterError($e);
}
}
/**
* Update twitter status. Expects:
* - inReplyTo:
* - statusText:
*
* @return string The HTML text of the new tweet.
*/
public function updateStatus()
{
$twitter = $this->_getTwitterObject();
if ($inreplyTo = $this->vars->inReplyTo) {
$params = array('in_reply_to_status_id', $inreplyTo);
} else {
$params = array();
}
try {
$tweet = json_decode($twitter->statuses->update($this->vars->statusText, $params));
return $this->_buildTweet($tweet)->render('twitter_tweet');
} catch (Horde_Service_Twitter_Exception $e) {
$this->_twitterError($e);
}
}
/**
*
* @return Horde_Service_Twitter
*/
protected function _getTwitterObject()
{
$twitter = $GLOBALS['injector']->getInstance('Horde_Service_Twitter');
$token = unserialize($GLOBALS['prefs']->getValue('twitter'));
if (!empty($token['key']) && !empty($token['secret'])) {
$auth_token = new Horde_Oauth_Token($token['key'], $token['secret']);
$twitter->auth->setToken($auth_token);
}
return $twitter;
}
/**
* Helper method to build a view object for a tweet.
*
* @param stdClass $tweet The tweet object.
*
* @return Horde_View The view object, populated with tweet data.
*/
protected function _buildTweet($tweet)
{
global $injector, $registry;
$view = new Horde_View(array('templatePath' => HORDE_TEMPLATES . '/block'));
$view->addHelper('Tag');
$view->ajax_uri = $registry->getServiceLink('ajax', $registry->getApp());
$filter = $injector->getInstance('Horde_Core_Factory_TextFilter');
$instance = $this->vars->i;
// Links and media
$map = $previews = array();
foreach ($tweet->entities->urls as $link) {
$replace = '<a target="_blank" href="' . $link->url . '" title="' . $link->expanded_url . '">' . htmlspecialchars($link->display_url) . '</a>';
$map[$link->indices[0]] = array($link->indices[1], $replace);
}
if (!empty($tweet->entities->media)) {
foreach ($tweet->entities->media as $picture) {
$replace = '<a target="_blank" href="' . $picture->url . '" title="' . $picture->expanded_url . '">' . htmlentities($picture->display_url, ENT_COMPAT, 'UTF-8') . '</a>';
$map[$picture->indices[0]] = array($picture->indices[1], $replace);
$previews[] = ' <a href="#" onclick="return Horde[\'twitter' . $instance . '\'].showPreview(\'' . $picture->media_url . ':small\');"><img src="' . Horde_Themes::img('mime/image.png') . '" /></a>';
}
}
if (!empty($tweet->entities->user_mentions)) {
foreach ($tweet->entities->user_mentions as $user) {
$replace = ' <a target="_blank" title="' . $user->name . '" href="http://twitter.com/' . $user->screen_name . '">@' . htmlentities($user->screen_name, ENT_COMPAT, 'UTF-8') . '</a>';
$map[$user->indices[0]] = array($user->indices[1], $replace);
}
}
if (!empty($tweet->entities->hashtags)) {
foreach ($tweet->entities->hashtags as $hashtag) {
$replace = ' <a target="_blank" href="http://twitter.com/search?q=#' . urlencode($hashtag->text) . '">#' . htmlentities($hashtag->text, ENT_COMPAT, 'UTF-8') . '</a>';
$map[$hashtag->indices[0]] = array($hashtag->indices[1], $replace);
}
}
$body = '';
$pos = 0;
while ($pos <= Horde_String::length($tweet->text) - 1) {
if (!empty($map[$pos])) {
$entity = $map[$pos];
$body .= $entity[1];
$pos = $entity[0];
} else {
$body .= Horde_String::substr($tweet->text, $pos, 1);
++$pos;
}
}
foreach ($previews as $preview) {
$body .= $preview;
}
$view->body = $body;
/* If this is a retweet, use the original author's profile info */
if (!empty($tweet->retweeted_status)) {
$tweetObj = $tweet->retweeted_status;
} else {
$tweetObj = $tweet;
}
/* These are all referencing the *original* tweet */
$view->profileLink = Horde::externalUrl('http://twitter.com/' . htmlspecialchars($tweetObj->user->screen_name), true);
$view->profileImg = $GLOBALS['browser']->usingSSLConnection() ? $tweetObj->user->profile_image_url_https : $tweetObj->user->profile_image_url;
$view->authorName = '@' . htmlspecialchars($tweetObj->user->screen_name);
$view->authorFullname = htmlspecialchars($tweetObj->user->name);
$view->createdAt = $tweetObj->created_at;
$view->clientText = $filter->filter($tweet->source, 'xss');
$view->tweet = $tweet;
$view->instanceid = $instance;
return $view;
}
/**
* Helper method for getting a slice of tweets.
*
* Expects the following in $this->vars:
* - max_id:
* - since_id:
* - i:
* - mentions:
*
* @return [type] [description]
*/
protected function _doTwitterGetPage()
{
$twitter = $this->_getTwitterObject();
try {
$params = array('include_entities' => 1);
if ($max = $this->vars->max_id) {
$params['max_id'] = $max;
} elseif ($since = $this->vars->since_id) {
$params['since_id'] = $since;
}
if ($this->vars->mentions) {
$stream = Horde_Serialize::unserialize($twitter->statuses->mentions($params), Horde_Serialize::JSON);
} else {
$stream = Horde_Serialize::unserialize($twitter->statuses->homeTimeline($params), Horde_Serialize::JSON);
}
} catch (Horde_Service_Twitter_Exception $e) {
$this->_twitterError($e);
return;
}
if (count($stream)) {
$newest = $stream[0]->id_str;
} else {
$newest = $params['since_id'];
$oldest = 0;
}
$view = new Horde_View(array('templatePath' => HORDE_TEMPLATES . '/block'));
$view->addHelper('Tag');
$html = '';
foreach ($stream as $tweet) {
/* Don't return the max_id tweet, since we already have it */
if (!empty($params['max_id']) && $params['max_id'] == $tweet->id_str) {
continue;
}
$view = $this->_buildTweet($tweet);
$oldest = $tweet->id_str;
$html .= $view->render('twitter_tweet');
}
$result = array(
'o' => $oldest,
'n' => $newest,
'c' => $html
);
return $result;
}
protected function _twitterError($e)
{
global $notification;
Horde::log($e, 'INFO');
$body = ($e instanceof Exception) ? $e->getMessage() : $e;
if (($errors = json_decode($body, true)) && isset($errors['errors'])) {
$errors = $errors['errors'];
} else {
$errors = array(array('message' => $body));
}
$notification->push(_("Error connecting to Twitter. Details have been logged for the administrator."), 'horde.error', array('sticky'));
foreach ($errors as $error) {
$notification->push($error['message'], 'horde.error', array('sticky'));
}
}
}