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[friendica-addons.git] / fbsync / fbsync.php
1 <?php
2 /**
3  * Name: Facebook Sync
4  * Description: Synchronizes the Facebook Newsfeed
5  * Version: 1.0
6  * Author: Michael Vogel <https://pirati.ca/profile/heluecht>
7  */
8
9 /* To-Do
10 FBSync:
11 - B: Threading for incoming comments
12 - C: Receiving likes for comments
13
14 FBPost:
15 - A: Posts to pages currently have the page as sender - not the user
16 - B: Sending likes for comments
17 - C: Threading for sent comments
18 */
19
20 require_once("addon/fbpost/fbpost.php");
21
22 define('FBSYNC_DEFAULT_POLL_INTERVAL', 5); // given in minutes
23
24 function fbsync_install() {
25         register_hook('connector_settings',      'addon/fbsync/fbsync.php', 'fbsync_settings');
26         register_hook('connector_settings_post', 'addon/fbsync/fbsync.php', 'fbsync_settings_post');
27         register_hook('cron', 'addon/fbsync/fbsync.php', 'fbsync_cron');
28         register_hook('follow', 'addon/fbsync/fbsync.php', 'fbsync_follow');
29         register_hook('expire', 'addon/fbsync/fbsync.php', 'fbsync_expire');
30 }
31
32 function fbsync_uninstall() {
33         unregister_hook('connector_settings',      'addon/fbsync/fbsync.php', 'fbsync_settings');
34         unregister_hook('connector_settings_post', 'addon/fbsync/fbsync.php', 'fbsync_settings_post');
35         unregister_hook('cron', 'addon/fbsync/fbsync.php', 'fbsync_cron');
36         unregister_hook('follow', 'addon/fbsync/fbsync.php', 'fbsync_follow');
37         unregister_hook('expire', 'addon/fbsync/fbsync.php', 'fbsync_expire');
38 }
39
40 function fbsync_follow($a, &$contact) {
41
42         logger("fbsync_follow: Check if contact is facebook contact. ".$contact["url"], LOGGER_DEBUG);
43
44         if (!strstr($contact["url"], "://www.facebook.com") AND !strstr($contact["url"], "://facebook.com") AND !strstr($contact["url"], "@facebook.com"))
45                 return;
46
47         // contact seems to be a facebook contact, so continue
48         $nickname = preg_replace("=https?://.*facebook.com/([\w.]*).*=ism", "$1", $contact["url"]);
49         $nickname = str_replace("@facebook.com", "", $nickname);
50
51         $uid = $a->user["uid"];
52
53         $access_token = get_pconfig($uid,'facebook','access_token');
54
55         $fql = array(
56                         "profile" => "SELECT id, pic_square, url, username, name FROM profile WHERE username = '$nickname'",
57                         "avatar" => "SELECT url FROM square_profile_pic WHERE id IN (SELECT id FROM #profile) AND size = 256");
58
59         $url = "https://graph.facebook.com/fql?q=".urlencode(json_encode($fql))."&access_token=".$access_token;
60
61         $feed = fetch_url($url);
62         $data = json_decode($feed);
63
64         $id = 0;
65
66         logger("fbsync_follow: Query id for nickname ".$nickname, LOGGER_DEBUG);
67
68         if (!is_array($data->data))
69                 return;
70
71         $contactdata = new stdClass;
72
73         foreach($data->data AS $query) {
74                 switch ($query->name) {
75                         case "profile":
76                                 $contactdata->id =  number_format($query->fql_result_set[0]->id, 0, '', '');
77                                 $contactdata->pic_square = $query->fql_result_set[0]->pic_square;
78                                 $contactdata->url = $query->fql_result_set[0]->url;
79                                 $contactdata->username = $query->fql_result_set[0]->username;
80                                 $contactdata->name = $query->fql_result_set[0]->name;
81                                 break;
82
83                         case "avatar":
84                                 $contactdata->pic_square = $query->fql_result_set[0]->url;
85                                 break;
86                 }
87         }
88
89         logger("fbsync_follow: Got contact for nickname ".$nickname." ".print_r($contactdata, true), LOGGER_DEBUG);
90
91         // Create contact
92         fbsync_fetch_contact($uid, $contactdata, true);
93
94         $r = q("SELECT name,nick,url,addr,batch,notify,poll,request,confirm,poco,photo,priority,network,alias,pubkey
95                 FROM `contact` WHERE `uid` = %d AND `alias` = '%s'",
96                                 intval($uid),
97                                 dbesc("facebook::".$contactdata->id));
98         if (count($r))
99                 $contact["contact"] = $r[0];
100 }
101
102
103 function fbsync_settings(&$a,&$s) {
104
105         // Settings are done inside the fbpost addon
106         return;
107
108         if(! local_user())
109                 return;
110
111         /* Add our stylesheet to the page so we can make our settings look nice */
112
113         $a->page['htmlhead'] .= '<link rel="stylesheet"  type="text/css" href="' . $a->get_baseurl() . '/addon/fbsync/fbsync.css' . '" media="all" />' . "\r\n";
114
115         /* Get the current state of our config variables */
116
117         $enabled = get_pconfig(local_user(),'fbsync','sync');
118
119         $checked = (($enabled) ? ' checked="checked" ' : '');
120
121         $def_enabled = get_pconfig(local_user(),'fbsync','create_user');
122
123         $def_checked = (($def_enabled) ? ' checked="checked" ' : '');
124
125         /* Add some HTML to the existing form */
126
127         $s .= '<span id="settings_fbsync_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose(\'settings_fbsync_expanded\'); openClose(\'settings_fbsync_inflated\');">';
128         $s .= '<img class="connector" src="images/facebook.png" /><h3 class="connector">'. t('Facebook Import').'</h3>';
129         $s .= '</span>';
130         $s .= '<div id="settings_fbsync_expanded" class="settings-block" style="display: none;">';
131         $s .= '<span class="fakelink" onclick="openClose(\'settings_fbsync_expanded\'); openClose(\'settings_fbsync_inflated\');">';
132         $s .= '<img class="connector" src="images/facebook.png" /><h3 class="connector">'. t('Facebook Import').'</h3>';
133         $s .= '</span>';
134
135         $s .= '<div id="fbsync-enable-wrapper">';
136         $s .= '<label id="fbsync-enable-label" for="fbsync-checkbox">' . t('Import Facebook newsfeed') . '</label>';
137         $s .= '<input id="fbsync-checkbox" type="checkbox" name="fbsync" value="1" ' . $checked . '/>';
138         $s .= '</div><div class="clear"></div>';
139
140         $s .= '<div id="fbsync-create_user-wrapper">';
141         $s .= '<label id="fbsync-create_user-label" for="fbsync-create_user">' . t('Automatically create contacts') . '</label>';
142         $s .= '<input id="fbsync-create_user" type="checkbox" name="create_user" value="1" ' . $def_checked . '/>';
143         $s .= '</div><div class="clear"></div>';
144
145         /* provide a submit button */
146
147         $s .= '<div class="settings-submit-wrapper" ><input type="submit" id="fbsync-submit" name="fbsync-submit" class="settings-submit" value="' . t('Save Settings') . '" /></div></div>';
148
149 }
150
151 function fbsync_settings_post(&$a,&$b) {
152
153         if(x($_POST,'fbsync-submit')) {
154                 set_pconfig(local_user(),'fbsync','sync',intval($_POST['fbsync']));
155                 set_pconfig(local_user(),'fbsync','create_user',intval($_POST['create_user']));
156         }
157 }
158
159 function fbsync_cron($a,$b) {
160         $last = get_config('fbsync','last_poll');
161
162         $poll_interval = intval(get_config('fbsync','poll_interval'));
163         if(! $poll_interval)
164                 $poll_interval = FBSYNC_DEFAULT_POLL_INTERVAL;
165
166         if($last) {
167                 $next = $last + ($poll_interval * 60);
168                 if($next > time()) {
169                         logger('fbsync_cron: poll intervall not reached');
170                         return;
171                 }
172         }
173         logger('fbsync_cron: cron_start');
174
175         $r = q("SELECT * FROM `pconfig` WHERE `cat` = 'fbsync' AND `k` = 'sync' AND `v` = '1' ORDER BY RAND()");
176         if(count($r)) {
177                 foreach($r as $rr) {
178                         fbsync_get_self($rr['uid']);
179
180                         logger('fbsync_cron: importing timeline from user '.$rr['uid']);
181                         fbsync_fetchfeed($a, $rr['uid']);
182                 }
183         }
184
185         logger('fbsync_cron: cron_end');
186
187         set_config('fbsync','last_poll', time());
188 }
189
190 function fbsync_expire($a,$b) {
191
192         $days = get_config('fbsync', 'expire');
193
194         if ($days == 0)
195                 return;
196
197         $r = q("DELETE FROM `item` WHERE `deleted` AND `network` = '%s'", dbesc(NETWORK_FACEBOOK));
198
199         require_once("include/items.php");
200
201         logger('fbsync_expire: expire_start');
202
203         $r = q("SELECT * FROM `pconfig` WHERE `cat` = 'fbsync' AND `k` = 'sync' AND `v` = '1' ORDER BY RAND()");
204         if(count($r)) {
205                 foreach($r as $rr) {
206                         logger('fbsync_expire: user '.$rr['uid']);
207                         item_expire($rr['uid'], $days, NETWORK_FACEBOOK, true);
208                 }
209         }
210
211         logger('fbsync_expire: expire_end');
212 }
213
214 function fbsync_createpost($a, $uid, $self, $contacts, $applications, $post, $create_user) {
215
216         require_once("include/oembed.php");
217
218         // check if it was already imported
219         $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `uri` = '%s' LIMIT 1",
220                 intval($uid),
221                 dbesc('fb::'.$post->post_id)
222         );
223         if(count($r))
224                 return;
225
226         $postarray = array();
227         $postarray['gravity'] = 0;
228         $postarray['uid'] = $uid;
229         $postarray['wall'] = 0;
230
231         $postarray['verb'] = ACTIVITY_POST;
232         $postarray['network'] =  dbesc(NETWORK_FACEBOOK);
233
234         $postarray['uri'] = "fb::".$post->post_id;
235         $postarray['thr-parent'] = $postarray['uri'];
236         $postarray['parent-uri'] = $postarray['uri'];
237         $postarray['plink'] = $post->permalink;
238
239         $postarray['author-name'] = $contacts[$post->actor_id]->name;
240         $postarray['author-link'] = $contacts[$post->actor_id]->url;
241         $postarray['author-avatar'] = $contacts[$post->actor_id]->pic_square;
242
243         $postarray['owner-name'] = $contacts[$post->source_id]->name;
244         $postarray['owner-link'] = $contacts[$post->source_id]->url;
245         $postarray['owner-avatar'] = $contacts[$post->source_id]->pic_square;
246
247         $contact_id = 0;
248
249         if (($post->parent_post_id != "") AND ($post->actor_id == $post->source_id)) {
250                 $pos = strpos($post->parent_post_id, "_");
251
252                 if ($pos != 0) {
253                         $user_id = substr($post->parent_post_id, 0, $pos);
254
255                         $userdata = fbsync_fetchuser($a, $uid, $user_id);
256
257                         $contact_id = $userdata["contact-id"];
258
259                         $postarray['contact-id'] = $contact_id;
260
261                         if (array_key_exists("name", $userdata) AND ($userdata["name"] != "") AND !link_compare($userdata["link"], $postarray['author-link'])) {
262                                 $postarray['owner-name'] = $userdata["name"];
263                                 $postarray['owner-link'] = $userdata["link"];
264                                 $postarray['owner-avatar'] = $userdata["avatar"];
265
266                                 if (!intval(get_config('system','wall-to-wall_share'))) {
267
268                                         $prebody = "[share author='".$postarray['author-name'].
269                                                 "' profile='".$postarray['author-link'].
270                                                 "' avatar='".$postarray['author-avatar']."']";
271
272                                         $postarray['author-name'] = $postarray['owner-name'];
273                                         $postarray['author-link'] = $postarray['owner-link'];
274                                         $postarray['author-avatar'] = $postarray['owner-avatar'];
275                                 }
276                         }
277                 }
278         }
279
280         if ($contact_id <= 0) {
281                 // To-Do:
282                 // $contacts[$post->source_id] seems to be wrong by repeated posts
283                 // must be changed in future
284                 $contact_id = fbsync_fetch_contact($uid, $contacts[$post->source_id], $create_user);
285
286                 if ($contact_id == -1) {
287                         logger('fbsync_createpost: Contact is blocked. Post not imported '.print_r($post, true), LOGGER_DEBUG);
288                         return;
289                 } elseif (($contact_id <= 0) AND !$create_user) {
290                         logger('fbsync_createpost: No matching contact found. Post not imported '.print_r($post, true), LOGGER_DEBUG);
291                         return;
292                 } elseif ($contact_id == 0) {
293                         // This case should never happen
294                         logger('fbsync_createpost: No matching contact found. Using own id. (Should never happen) '.print_r($post, true), LOGGER_DEBUG);
295                         $contact_id = $self[0]["id"];
296                 }
297
298                 $postarray['contact-id'] = $contact_id;
299         }
300
301         $postarray["body"] = (isset($post->message) ? escape_tags($post->message) : '');
302
303         $msgdata = fbsync_convertmsg($a, $postarray["body"]);
304
305         $postarray["body"] = $msgdata["body"];
306         $postarray["tag"] = $msgdata["tags"];
307
308         $content = "";
309         $type = "";
310
311         if (isset($post->attachment->name) and isset($post->attachment->href)) {
312                 $oembed_data = oembed_fetch_url($post->attachment->href);
313                 $type = $oembed_data->type;
314                 if ($type == "rich")
315                         $type = "link";
316
317                 $content = "[bookmark=".$post->attachment->href."]".$post->attachment->name."[/bookmark]";
318         } elseif (isset($post->attachment->name) AND ($post->attachment->name != ""))
319                 $content = "[b]" . $post->attachment->name."[/b]";
320
321         $quote = "";
322         if(isset($post->attachment->description) and ($post->attachment->fb_object_type != "photo"))
323                 $quote = $post->attachment->description;
324
325         if(isset($post->attachment->caption) and ($post->attachment->fb_object_type == "photo"))
326                 $quote = $post->attachment->caption;
327
328         if ($quote.$post->attachment->href.$content.$postarray["body"] == "")
329                 return;
330
331         if (isset($post->attachment->media) // AND !strstr($post->attachment->href, "://www.youtube.com/")
332                 //AND !strstr($post->attachment->href, "://youtu.be/")
333                 //AND !strstr($post->attachment->href, ".vimeo.com/"))
334                 AND (($type == "") OR ($type == "link"))) {
335                 foreach ($post->attachment->media AS $media) {
336                         //$media->photo->owner = number_format($media->photo->owner, 0, '', '');
337                         //if ($media->photo->owner != '') {
338                         //      $postarray['author-name'] = $contacts[$media->photo->owner]->name;
339                         //      $postarray['author-link'] = $contacts[$media->photo->owner]->url;
340                         //      $postarray['author-avatar'] = $contacts[$media->photo->owner]->pic_square;
341                         //}
342
343                         if (isset($media->type))
344                                 $type = $media->type;
345
346                         if(isset($media->src) && isset($media->href) AND ($media->src != "") AND ($media->href != ""))
347                                 $content .= "\n".'[url='.$media->href.'][img]'.fpost_cleanpicture($media->src).'[/img][/url]';
348                         else {
349                                 if (isset($media->src) AND ($media->src != ""))
350                                         $content .= "\n".'[img]'.fpost_cleanpicture($media->src).'[/img]';
351
352                                 // if just a link, it may be a wall photo - check
353                                 if(isset($post->link))
354                                         $content .= fbpost_get_photo($media->href);
355                         }
356                 }
357         }
358
359         if ($content)
360                 $postarray["body"] .= "\n";
361
362         if ($type)
363                 $postarray["body"] .= "[class=type-".$type."]";
364
365         if ($content)
366                 $postarray["body"] .= trim($content);
367
368         if ($quote)
369                 $postarray["body"] .= "\n[quote]".trim($quote)."[/quote]";
370
371         if ($type)
372                 $postarray["body"] .= "[/class]";
373
374         $postarray["body"] = trim($postarray["body"]);
375
376         if (trim($postarray["body"]) == "")
377                 return;
378
379         if ($prebody != "")
380                 $postarray["body"] = $prebody.$postarray["body"]."[/share]";
381
382         $postarray['created'] = datetime_convert('UTC','UTC',date("c", $post->created_time));
383         $postarray['edited'] = datetime_convert('UTC','UTC',date("c", $post->updated_time));
384
385         $postarray['app'] = $applications[$post->app_id]->display_name;
386
387         if ($postarray['app'] == "")
388                 $postarray['app'] = "Facebook";
389
390         if(isset($post->privacy) && $post->privacy->value !== '') {
391                 $postarray['private'] = 1;
392                 $postarray['allow_cid'] = '<' . $self[0]['id'] . '>';
393         }
394
395         /*
396         $postarray["location"] = $post->place->name;
397         postarray["coord"] = $post->geo->coordinates[0]." ".$post->geo->coordinates[1];
398         */
399
400         //$types = array(46, 80, 237, 247, 308);
401         //if (!in_array($post->type, $types))
402         //      $postarray["body"] = "Type: ".$post->type."\n".$postarray["body"];
403         //print_r($post);
404         //print_r($postarray);
405         $item = item_store($postarray);
406         logger('fbsync_createpost: User '.$self[0]["nick"].' posted feed item '.$item, LOGGER_DEBUG);
407 }
408
409 function fbsync_createcomment($a, $uid, $self_id, $self, $user, $contacts, $applications, $comment) {
410
411         // check if it was already imported
412         $r = q("SELECT `uri` FROM `item` WHERE `uid` = %d AND `uri` = '%s' LIMIT 1",
413                 intval($uid),
414                 dbesc('fb::'.$comment->id)
415         );
416         if(count($r))
417                 return;
418
419         // check if it was an own post (separate posting for performance reasons)
420         $r = q("SELECT `uri` FROM `item` WHERE `uid` = %d AND `extid` = '%s' LIMIT 1",
421                 intval($uid),
422                 dbesc('fb::'.$comment->id)
423         );
424         if(count($r))
425                 return;
426
427         $parent_uri = "";
428         $parent_contact = 0;
429         $parent_nick = "";
430
431         // Fetch the parent uri (Checking if the parent exists)
432         $r = q("SELECT `uri`, `contact-id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' LIMIT 1",
433                 intval($uid),
434                 dbesc('fb::'.$comment->post_id)
435         );
436         if(count($r)) {
437                 $parent_uri = $r[0]["uri"];
438                 $parent_contact = $r[0]["contact-id"];
439         }
440
441         // check if it is a reply to an own post (separate posting for performance reasons)
442         $r = q("SELECT `uri`, `contact-id` FROM `item` WHERE `uid` = %d AND `extid` = '%s' LIMIT 1",
443                 intval($uid),
444                 dbesc('fb::'.$comment->post_id)
445         );
446         if(count($r)) {
447                 $parent_uri = $r[0]["uri"];
448                 $parent_contact = $r[0]["contact-id"];
449         }
450
451         // No parent? Then quit
452         if ($parent_uri == "")
453                 return;
454
455         //logger("fbsync_createcomment: Checking if parent contact is blocked: ".$parent_contact." - ".$parent_uri, LOGGER_DEBUG);
456
457         // Check if the contact id was blocked
458         if ($parent_contact > 0) {
459                 $r = q("SELECT `blocked`, `readonly`, `nick` FROM `contact` WHERE `uid` = %d AND `id` = %d LIMIT 1",
460                         intval($uid), intval($parent_contact));
461
462                 // Should only happen if someone deleted the contact manually
463                 if(!count($r)) {
464                         logger("fbsync_createcomment: UID ".$uid." - Contact ".$parent_contact." doesn't seem to exist.", LOGGER_DEBUG);
465                         return;
466                 }
467
468                 // Is blocked? Then return
469                 if ($r[0]["readonly"] OR $r[0]["blocked"]) {
470                         logger("fbsync_createcomment: UID ".$uid." - Contact '".$r[0]["nick"]."' is blocked or readonly.", LOGGER_DEBUG);
471                         return;
472                 }
473
474                 $parent_nick = $r[0]["nick"];
475                 logger("fbsync_createcomment: UID ".$uid." - Contact '".$r[0]["nick"]."' isn't blocked. ".print_r($r, true), LOGGER_DEBUG);
476         }
477
478         $postarray = array();
479         $postarray['gravity'] = 0;
480         $postarray['uid'] = $uid;
481         $postarray['wall'] = 0;
482
483         $postarray['verb'] = ACTIVITY_POST;
484         $postarray['network'] =  dbesc(NETWORK_FACEBOOK);
485
486         $postarray['uri'] = "fb::".$comment->id;
487         $postarray['thr-parent'] = $parent_uri;
488         $postarray['parent-uri'] = $parent_uri;
489         //$postarray['plink'] = $comment->permalink;
490
491         $contact_id = fbsync_fetch_contact($uid, $contacts[$comment->fromid], array(), false);
492
493         $contact_nick = $contacts[$comment->fromid]->name;
494
495         if ($contact_id == -1) {
496                 logger('fbsync_createcomment: Contact was blocked. Comment not imported '.print_r($comment, true), LOGGER_DEBUG);
497                 return;
498         }
499
500         // If no contact was found, take it from the thread owner
501         if ($contact_id <= 0) {
502                 $contact_id = $parent_contact;
503                 $contact_nick = $parent_nick;
504         }
505
506         // This case here should never happen
507         if ($contact_id <= 0) {
508                 $contact_id = $self[0]["id"];
509                 $contact_nick = $self[0]["nick"];
510         }
511
512         if ($comment->fromid != $self_id) {
513                 $postarray['contact-id'] = $contact_id;
514                 $postarray['owner-name'] = $contacts[$comment->fromid]->name;
515                 $postarray['owner-link'] = $contacts[$comment->fromid]->url;
516                 $postarray['owner-avatar'] = $contacts[$comment->fromid]->pic_square;
517         } else {
518                 $postarray['contact-id'] = $self[0]["id"];
519                 $postarray['owner-name'] = $self[0]["name"];
520                 $postarray['owner-link'] = $self[0]["url"];
521                 $postarray['owner-avatar'] = $self[0]["photo"];
522                 $contact_nick = $self[0]["nick"];
523         }
524
525         $postarray['author-name'] = $postarray['owner-name'];
526         $postarray['author-link'] = $postarray['owner-link'];
527         $postarray['author-avatar'] = $postarray['owner-avatar'];
528
529         $msgdata = fbsync_convertmsg($a, $comment->text);
530
531         $postarray["body"] = $msgdata["body"];
532         $postarray["tag"] = $msgdata["tags"];
533
534         $postarray['created'] = datetime_convert('UTC','UTC',date("c", $comment->time));
535         $postarray['edited'] = datetime_convert('UTC','UTC',date("c", $comment->time));
536
537         $postarray['app'] = $applications[$comment->app_id]->display_name;
538
539         if ($postarray['app'] == "")
540                 $postarray['app'] = "Facebook";
541
542         if (trim($postarray["body"]) == "")
543                 return;
544
545         $item = item_store($postarray);
546         logger('fbsync_createcomment: UID '.$uid.' - CID '.$postarray['contact-id'].' - Nick '.$contact_nick.' posted comment '.$item, LOGGER_DEBUG);
547
548         if ($item == 0)
549                 return;
550
551         $myconv = q("SELECT `author-link`, `author-avatar`, `parent` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 AND `deleted` = 0",
552                 dbesc($postarray['parent-uri']),
553                 intval($uid)
554         );
555
556         if(count($myconv)) {
557                 $importer_url = $a->get_baseurl() . '/profile/' . $user[0]['nickname'];
558
559                 $own_contact = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
560                         intval($uid), dbesc("facebook::".$self_id));
561
562                 if (!count($own_contact))
563                         return;
564
565                 foreach($myconv as $conv) {
566
567                         // now if we find a match, it means we're in this conversation
568                         if(!link_compare($conv['author-link'],$importer_url) AND !link_compare($conv['author-link'],$own_contact[0]["url"]))
569                                 continue;
570
571                         require_once('include/enotify.php');
572
573                         $conv_parent = $conv['parent'];
574
575                         $notifyarr = array(
576                                         'type'         => NOTIFY_COMMENT,
577                                         'notify_flags' => $user[0]['notify-flags'],
578                                         'language'     => $user[0]['language'],
579                                         'to_name'      => $user[0]['username'],
580                                         'to_email'     => $user[0]['email'],
581                                         'uid'          => $user[0]['uid'],
582                                         'item'         => $postarray,
583                                         'link'             => $a->get_baseurl() . '/display/' . $user[0]['nickname'] . '/' . $item,
584                                         'source_name'  => $postarray['author-name'],
585                                         'source_link'  => $postarray['author-link'],
586                                         'source_photo' => $postarray['author-avatar'],
587                                         'verb'         => ACTIVITY_POST,
588                                         'otype'        => 'item',
589                                         'parent'       => $conv_parent,
590                         );
591
592                         notification($notifyarr);
593
594                         // only send one notification
595                         break;
596                 }
597         }
598 }
599
600 function fbsync_createlike($a, $uid, $self_id, $self, $contacts, $like) {
601
602         $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
603                                 dbesc("fb::".$like->post_id),
604                                 intval($uid)
605                 );
606
607         if (count($r))
608                 $orig_post = $r[0];
609         else
610                 return;
611
612         // If we posted the like locally, it will be found with our url, not the FB url.
613
614         $second_url = (($like->user_id == $self_id) ? $self[0]["url"] : $contacts[$like->user_id]->url);
615
616         $r = q("SELECT * FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `verb` = '%s'
617                 AND (`author-link` = '%s' OR `author-link` = '%s') LIMIT 1",
618                 dbesc($orig_post["uri"]),
619                 intval($uid),
620                 dbesc(ACTIVITY_LIKE),
621                 dbesc($contacts[$like->user_id]->url),
622                 dbesc($second_url)
623         );
624
625         if (count($r))
626                 return;
627
628         $contact_id = fbsync_fetch_contact($uid, $contacts[$like->user_id], array(), false);
629
630         if ($contact_id <= 0)
631                 $contact_id = $self[0]["id"];
632
633         $likedata = array();
634         $likedata['parent'] = $orig_post['id'];
635         $likedata['verb'] = ACTIVITY_LIKE;
636         $likedate['network'] =  dbesc(NETWORK_FACEBOOK);
637         $likedata['gravity'] = 3;
638         $likedata['uid'] = $uid;
639         $likedata['wall'] = 0;
640         $likedata['uri'] = item_new_uri($a->get_baseurl(), $uid);
641         $likedata['parent-uri'] = $orig_post["uri"];
642         $likedata['app'] = "Facebook";
643
644         if ($like->user_id != $self_id) {
645                 $likedata['contact-id'] = $contact_id;
646                 $likedata['author-name'] = $contacts[$like->user_id]->name;
647                 $likedata['author-link'] = $contacts[$like->user_id]->url;
648                 $likedata['author-avatar'] = $contacts[$like->user_id]->pic_square;
649         } else {
650                 $likedata['contact-id'] = $self[0]["id"];
651                 $likedata['author-name'] = $self[0]["name"];
652                 $likedata['author-link'] = $self[0]["url"];
653                 $likedata['author-avatar'] = $self[0]["photo"];
654         }
655
656         $author  = '[url=' . $likedata['author-link'] . ']' . $likedata['author-name'] . '[/url]';
657
658         $objauthor =  '[url=' . $orig_post['author-link'] . ']' . $orig_post['author-name'] . '[/url]';
659         $post_type = t('status');
660
661         $plink = '[url=' . $orig_post['plink'] . ']' . $post_type . '[/url]';
662         $likedata['object-type'] = ACTIVITY_OBJ_NOTE;
663
664         $likedata['body'] = sprintf( t('%1$s likes %2$s\'s %3$s'), $author, $objauthor, $plink);
665
666         $likedata['object'] = '<object><type>' . ACTIVITY_OBJ_NOTE . '</type><local>1</local>' .
667                 '<id>' . $orig_post['uri'] . '</id><link>' . xmlify('<link rel="alternate" type="text/html" href="' . xmlify($orig_post['plink']) . '" />') . '</link><title>' . $orig_post['title'] . '</title><content>' . $orig_post['body'] . '</content></object>';
668
669
670         $r = q("SELECT * FROM `item` WHERE `parent-uri` = '%s' AND `author-link` = '%s' AND `verb` = '%s' AND `uid` = %d LIMIT 1",
671                                 dbesc($likedata['parent-uri']),
672                                 dbesc($likedata['author-link']),
673                                 dbesc(ACTIVITY_LIKE),
674                                 intval($uid)
675                 );
676
677         if (count($r))
678                 return;
679
680         $item = item_store($likedata);
681         logger('fbsync_createlike: liked item '.$item.'. User '.$self[0]["nick"], LOGGER_DEBUG);
682 }
683
684 function fbsync_fetch_contact($uid, $contact, $create_user) {
685
686         // Check if the unique contact is existing
687         // To-Do: only update once a while
688         $r = q("SELECT id FROM unique_contacts WHERE url='%s' LIMIT 1",
689                 dbesc(normalise_link($contact->url)));
690
691         if (count($r) == 0)
692                 q("INSERT INTO unique_contacts (url, name, nick, avatar) VALUES ('%s', '%s', '%s', '%s')",
693                         dbesc(normalise_link($contact->url)),
694                         dbesc($contact->name),
695                         dbesc($contact->username),
696                         dbesc($contact->pic_square));
697         else
698                 q("UPDATE unique_contacts SET name = '%s', nick = '%s', avatar = '%s' WHERE url = '%s'",
699                         dbesc($contact->name),
700                         dbesc($contact->username),
701                         dbesc($contact->pic_square),
702                         dbesc(normalise_link($contact->url)));
703
704         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
705                 intval($uid), dbesc("facebook::".$contact->id));
706
707         if(!count($r) AND !$create_user)
708                 return(0);
709
710         if (count($r) AND ($r[0]["readonly"] OR $r[0]["blocked"])) {
711                 logger("fbsync_fetch_contact: Contact '".$r[0]["nick"]."' is blocked or readonly.", LOGGER_DEBUG);
712                 return(-1);
713         }
714
715         $avatarpicture = $contact->pic_square;
716
717         if(!count($r)) {
718                 // create contact record
719                 q("INSERT INTO `contact` (`uid`, `created`, `url`, `nurl`, `addr`, `alias`, `notify`, `poll`,
720                                         `name`, `nick`, `photo`, `network`, `rel`, `priority`,
721                                         `writable`, `blocked`, `readonly`, `pending`)
722                                         VALUES (%d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, 0, 0, 0)",
723                         intval($uid),
724                         dbesc(datetime_convert()),
725                         dbesc($contact->url),
726                         dbesc(normalise_link($contact->url)),
727                         dbesc($contact->username."@facebook.com"),
728                         dbesc("facebook::".$contact->id),
729                         dbesc($contact->id),
730                         dbesc("facebook::".$contact->id),
731                         dbesc($contact->name),
732                         dbesc($contact->username),
733                         dbesc($avatarpicture),
734                         dbesc(NETWORK_FACEBOOK),
735                         intval(CONTACT_IS_FRIEND),
736                         intval(1),
737                         intval(1)
738                 );
739
740                 $r = q("SELECT * FROM `contact` WHERE `alias` = '%s' AND `uid` = %d LIMIT 1",
741                         dbesc("facebook::".$contact->id),
742                         intval($uid)
743                         );
744
745                 if(! count($r))
746                         return(false);
747
748                 $contact_id  = $r[0]['id'];
749
750                 $g = q("SELECT def_gid FROM user WHERE uid = %d LIMIT 1",
751                         intval($uid)
752                 );
753
754                 if($g && intval($g[0]['def_gid'])) {
755                         require_once('include/group.php');
756                         group_add_member($uid,'',$contact_id,$g[0]['def_gid']);
757                 }
758
759                 require_once("Photo.php");
760
761                 $photos = import_profile_photo($avatarpicture,$uid,$contact_id);
762
763                 q("UPDATE `contact` SET `photo` = '%s',
764                                         `thumb` = '%s',
765                                         `micro` = '%s',
766                                         `name-date` = '%s',
767                                         `uri-date` = '%s',
768                                         `avatar-date` = '%s'
769                                 WHERE `id` = %d",
770                         dbesc($photos[0]),
771                         dbesc($photos[1]),
772                         dbesc($photos[2]),
773                         dbesc(datetime_convert()),
774                         dbesc(datetime_convert()),
775                         dbesc(datetime_convert()),
776                         intval($contact_id)
777                 );
778         } else {
779                 // update profile photos once every 12 hours as we have no notification of when they change.
780                 $update_photo = ($r[0]['avatar-date'] < datetime_convert('','','now -12 hours'));
781
782                 // check that we have all the photos, this has been known to fail on occasion
783                 if((! $r[0]['photo']) || (! $r[0]['thumb']) || (! $r[0]['micro']) || ($update_photo)) {
784
785                         logger("fbsync_fetch_contact: Updating contact ".$contact->username, LOGGER_DEBUG);
786
787                         require_once("Photo.php");
788
789                         $photos = import_profile_photo($avatarpicture, $uid, $r[0]['id']);
790
791                         q("UPDATE `contact` SET `photo` = '%s',
792                                                 `thumb` = '%s',
793                                                 `micro` = '%s',
794                                                 `name-date` = '%s',
795                                                 `uri-date` = '%s',
796                                                 `avatar-date` = '%s',
797                                                 `url` = '%s',
798                                                 `nurl` = '%s',
799                                                 `addr` = '%s',
800                                                 `name` = '%s',
801                                                 `nick` = '%s',
802                                                 `notify` = '%s'
803                                         WHERE `id` = %d",
804                                 dbesc($photos[0]),
805                                 dbesc($photos[1]),
806                                 dbesc($photos[2]),
807                                 dbesc(datetime_convert()),
808                                 dbesc(datetime_convert()),
809                                 dbesc(datetime_convert()),
810                                 dbesc($contact->url),
811                                 dbesc(normalise_link($contact->url)),
812                                 dbesc($contact->username."@facebook.com"),
813                                 dbesc($contact->name),
814                                 dbesc($contact->username),
815                                 dbesc($contact->id),
816                                 intval($r[0]['id'])
817                         );
818                 }
819         }
820         return($r[0]["id"]);
821 }
822
823 function fbsync_get_self($uid) {
824         $access_token = get_pconfig($uid,'facebook','access_token');
825         if(! $access_token)
826                 return;
827         $s = fetch_url('https://graph.facebook.com/me/?access_token=' . $access_token);
828         if($s) {
829                 $j = json_decode($s);
830                 set_pconfig($uid,'fbsync','self_id',(string) $j->id);
831         }
832 }
833
834 function fbsync_convertmsg($a, $body) {
835         $str_tags = '';
836
837         $tags = get_tags($body);
838
839         if(count($tags)) {
840                 foreach($tags as $tag) {
841                         if (strstr(trim($tag), " "))
842                                 continue;
843
844                         if(strpos($tag,'#') === 0) {
845                                 if(strpos($tag,'[url='))
846                                         continue;
847
848                                 // don't link tags that are already embedded in links
849
850                                 if(preg_match('/\[(.*?)' . preg_quote($tag,'/') . '(.*?)\]/',$body))
851                                         continue;
852                                 if(preg_match('/\[(.*?)\]\((.*?)' . preg_quote($tag,'/') . '(.*?)\)/',$body))
853                                         continue;
854
855                                 $basetag = str_replace('_',' ',substr($tag,1));
856                                 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
857                                 if(strlen($str_tags))
858                                         $str_tags .= ',';
859                                 $str_tags .= '#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
860                                 continue;
861                         } elseif(strpos($tag,'@') === 0) {
862                                 $basetag = substr($tag,1);
863                                 $body = str_replace($tag,'@[url=https://twitter.com/' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
864                         }
865
866                 }
867         }
868
869         $cnt = preg_match_all('/@\[url=(.*?)\[\/url\]/ism',$body,$matches,PREG_SET_ORDER);
870         if($cnt) {
871                 foreach($matches as $mtch) {
872                         if(strlen($str_tags))
873                                 $str_tags .= ',';
874                         $str_tags .= '@[url=' . $mtch[1] . '[/url]';
875                 }
876         }
877
878         return(array("body"=>$body, "tags"=>$str_tags));
879
880 }
881
882 function fbsync_fetchuser($a, $uid, $id) {
883         $access_token = get_pconfig($uid,'facebook','access_token');
884         $self_id = get_pconfig($uid,'fbsync','self_id');
885
886         $user = array();
887
888         $contact = q("SELECT `id`, `name`, `url`, `photo`  FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
889                 intval($uid), dbesc("facebook::".$id));
890
891         if (count($contact)) {
892                 if (($contact[0]["readonly"] OR $contact[0]["blocked"])) {
893                         logger("fbsync_fetchuser: Contact '".$contact[0]["nick"]."' is blocked or readonly.", LOGGER_DEBUG);
894                         $user["contact-id"] = -1;
895                 } else
896                         $user["contact-id"] = $contact[0]["id"];
897
898                 $user["name"] = $contact[0]["name"];
899                 $user["link"] = $contact[0]["url"];
900                 $user["avatar"] = $contact[0]["photo"];
901
902                 return($user);
903         }
904
905         $own_contact = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
906                 intval($uid), dbesc("facebook::".$self_id));
907
908         if (!count($own_contact))
909                 return($user);
910
911         $fql = "SELECT name, url, pic_square FROM profile WHERE id = ".$id;
912
913         $url = "https://graph.facebook.com/fql?q=".urlencode($fql)."&access_token=".$access_token;
914
915         $feed = fetch_url($url);
916         $data = json_decode($feed);
917
918         if (is_array($data->data)) {
919                 $user["contact-id"] = $own_contact[0]["id"];
920                 $user["name"] = $data->data[0]->name;
921                 $user["link"] = $data->data[0]->url;
922                 $user["avatar"] = $data->data[0]->pic_square;
923         }
924         return($user);
925 }
926
927 function fbsync_fetchfeed($a, $uid) {
928         $access_token = get_pconfig($uid,'facebook','access_token');
929         $last_updated = get_pconfig($uid,'fbsync','last_updated');
930         $self_id = get_pconfig($uid,'fbsync','self_id');
931
932         $create_user = get_pconfig($uid, 'fbsync', 'create_user');
933         $do_likes = get_config('fbsync', 'do_likes');
934
935         $self = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
936                 intval($uid)
937         );
938
939         $user = q("SELECT * FROM `user` WHERE `uid` = %d AND `account_expired` = 0 LIMIT 1",
940                 intval($uid)
941         );
942         if(! count($user))
943                 return;
944
945         require_once('include/items.php');
946
947         //if ($last_updated == "")
948                 $last_updated = 0;
949
950         logger("fbsync_fetchfeed: fetching content for user ".$self_id);
951
952         $fql = array(
953                 "posts" => "SELECT action_links, actor_id, app_data, app_id, attachment, attribution, comment_info, created_time, filter_key, like_info, message, message_tags, parent_post_id, permalink, place, post_id, privacy, share_count, share_info, source_id, subscribed, tagged_ids, type, updated_time, with_tags FROM stream where filter_key in (SELECT filter_key FROM stream_filter WHERE uid=me() AND type='newsfeed') AND updated_time > $last_updated ORDER BY updated_time DESC LIMIT 500",
954                 "comments" => "SELECT app_id, attachment, post_id, id, likes, fromid, time, text, text_tags, user_likes, likes FROM comment WHERE post_id IN (SELECT post_id FROM #posts) ORDER BY time DESC LIMIT 500",
955                 "profiles" => "SELECT id, name, username, url, pic_square FROM profile WHERE id IN (SELECT actor_id FROM #posts) OR id IN (SELECT fromid FROM #comments) OR id IN (SELECT source_id FROM #posts) LIMIT 500",
956                 "applications" => "SELECT app_id, display_name FROM application WHERE app_id IN (SELECT app_id FROM #posts) OR app_id IN (SELECT app_id FROM #comments) LIMIT 500",
957                 "avatars" => "SELECT id, real_size, size, url FROM square_profile_pic WHERE id IN (SELECT id FROM #profiles) AND size = 256 LIMIT 500");
958
959         if ($do_likes) {
960                 $fql["likes"] = "SELECT post_id, user_id FROM like WHERE post_id IN (SELECT post_id FROM #posts)";
961                 $fql["profiles"] .= " OR id IN (SELECT user_id FROM #likes)";
962         }
963
964         $url = "https://graph.facebook.com/fql?q=".urlencode(json_encode($fql))."&access_token=".$access_token;
965
966         $feed = fetch_url($url);
967         $data = json_decode($feed);
968
969         if (!is_array($data->data)) {
970                 logger("fbsync_fetchfeed: Error fetching data for user ".$uid.": ".print_r($data, true));
971                 return;
972         }
973
974         $posts = array();
975         $comments = array();
976         $likes = array();
977         $profiles = array();
978         $applications = array();
979         $avatars = array();
980
981         foreach($data->data AS $query) {
982                 switch ($query->name) {
983                         case "posts":
984                                 $posts = array_reverse($query->fql_result_set);
985                                 break;
986                         case "comments":
987                                 $comments = $query->fql_result_set;
988                                 break;
989                         case "likes":
990                                 $likes = $query->fql_result_set;
991                                 break;
992                         case "profiles":
993                                 $profiles = $query->fql_result_set;
994                                 break;
995                         case "applications":
996                                 $applications = $query->fql_result_set;
997                                 break;
998                         case "avatars":
999                                 $avatars = $query->fql_result_set;
1000                                 break;
1001                 }
1002         }
1003
1004         $square_avatars = array();
1005         $contacts = array();
1006         $application_data = array();
1007         $post_data = array();
1008         $comment_data = array();
1009
1010         foreach ($avatars AS $avatar) {
1011                 $avatar->id = number_format($avatar->id, 0, '', '');
1012                 $square_avatars[$avatar->id] = $avatar;
1013         }
1014         unset($avatars);
1015
1016         foreach ($profiles AS $profile) {
1017                 $profile->id = number_format($profile->id, 0, '', '');
1018
1019                 if ($square_avatars[$profile->id]->url != "")
1020                         $profile->pic_square = $square_avatars[$profile->id]->url;
1021
1022                 $contacts[$profile->id] = $profile;
1023         }
1024         unset($profiles);
1025         unset($square_avatars);
1026
1027         foreach ($applications AS $application) {
1028                 $application->app_id = number_format($application->app_id, 0, '', '');
1029                 $application_data[$application->app_id] = $application;
1030         }
1031         unset($applications);
1032
1033         foreach ($posts AS $post) {
1034                 $post->actor_id = number_format($post->actor_id, 0, '', '');
1035                 $post->source_id = number_format($post->source_id, 0, '', '');
1036                 $post->app_id = number_format($post->app_id, 0, '', '');
1037                 $post_data[$post->post_id] = $post;
1038         }
1039         unset($posts);
1040
1041         foreach($comments AS $comment) {
1042                 $comment->fromid = number_format($comment->fromid, 0, '', '');
1043                 $comment_data[$comment->id] = $comment;
1044         }
1045         unset($comments);
1046
1047         foreach ($post_data AS $post) {
1048                 if ($post->updated_time > $last_updated)
1049                         $last_updated = $post->updated_time;
1050                 fbsync_createpost($a, $uid, $self, $contacts, $application_data, $post, $create_user);
1051         }
1052
1053         foreach ($comment_data AS $comment) {
1054                 fbsync_createcomment($a, $uid, $self_id, $self, $user, $contacts, $application_data, $comment);
1055         }
1056
1057         foreach($likes AS $like) {
1058                 $like->user_id = number_format($like->user_id, 0, '', '');
1059
1060                 fbsync_createlike($a, $uid, $self_id, $self, $contacts, $like);
1061         }
1062
1063         set_pconfig($uid,'fbsync','last_updated', $last_updated);
1064 }
1065 ?>