3 * Name: Facebook Connector
5 * Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
6 * Tobias Hößl <https://github.com/CatoTH/>
10 * Installing the Friendica/Facebook connector
12 * Detailed instructions how to use this plugin can be found at
13 * https://github.com/friendica/friendica/wiki/How-to:-Friendica%E2%80%99s-Facebook-connector
15 * Vidoes and embeds will not be posted if there is no other content. Links
16 * and images will be converted to a format suitable for the Facebook API and
17 * long posts truncated - with a link to view the full post.
19 * Facebook contacts will not be able to view private photos, as they are not able to
20 * authenticate to your site to establish identity. We will address this
21 * in a future release.
25 * - Implement a method for the administrator to delete all configuration data the plugin has created,
26 * e.g. the app_access_token
29 // Size of maximum post length increased
30 // see http://www.facebook.com/schrep/posts/203969696349811
31 // define('FACEBOOK_MAXPOSTLEN', 420);
32 define('FACEBOOK_MAXPOSTLEN', 63206);
33 define('FACEBOOK_SESSION_ERR_NOTIFICATION_INTERVAL', 259200); // 3 days
34 define('FACEBOOK_DEFAULT_POLL_INTERVAL', 60); // given in minutes
35 define('FACEBOOK_MIN_POLL_INTERVAL', 5);
37 require_once('include/security.php');
39 function facebook_install() {
40 register_hook('post_local', 'addon/facebook/facebook.php', 'facebook_post_local');
41 register_hook('notifier_normal', 'addon/facebook/facebook.php', 'facebook_post_hook');
42 register_hook('jot_networks', 'addon/facebook/facebook.php', 'facebook_jot_nets');
43 register_hook('connector_settings', 'addon/facebook/facebook.php', 'facebook_plugin_settings');
44 register_hook('cron', 'addon/facebook/facebook.php', 'facebook_cron');
45 register_hook('enotify', 'addon/facebook/facebook.php', 'facebook_enotify');
46 register_hook('queue_predeliver', 'addon/facebook/facebook.php', 'fb_queue_hook');
50 function facebook_uninstall() {
51 unregister_hook('post_local', 'addon/facebook/facebook.php', 'facebook_post_local');
52 unregister_hook('notifier_normal', 'addon/facebook/facebook.php', 'facebook_post_hook');
53 unregister_hook('jot_networks', 'addon/facebook/facebook.php', 'facebook_jot_nets');
54 unregister_hook('connector_settings', 'addon/facebook/facebook.php', 'facebook_plugin_settings');
55 unregister_hook('cron', 'addon/facebook/facebook.php', 'facebook_cron');
56 unregister_hook('enotify', 'addon/facebook/facebook.php', 'facebook_enotify');
57 unregister_hook('queue_predeliver', 'addon/facebook/facebook.php', 'fb_queue_hook');
60 unregister_hook('post_local_end', 'addon/facebook/facebook.php', 'facebook_post_hook');
61 unregister_hook('plugin_settings', 'addon/facebook/facebook.php', 'facebook_plugin_settings');
65 /* declare the facebook_module function so that /facebook url requests will land here */
67 function facebook_module() {}
71 // If a->argv[1] is a nickname, this is a callback from Facebook oauth requests.
72 // If $_REQUEST["realtime_cb"] is set, this is a callback from the Real-Time Updates API
77 function facebook_init(&$a) {
79 if (x($_REQUEST, "realtime_cb") && x($_REQUEST, "realtime_cb")) {
80 logger("facebook_init: Facebook Real-Time callback called", LOGGER_DEBUG);
82 if (x($_REQUEST, "hub_verify_token")) {
83 // this is the verification callback while registering for real time updates
85 $verify_token = get_config('facebook', 'cb_verify_token');
86 if ($verify_token != $_REQUEST["hub_verify_token"]) {
87 logger('facebook_init: Wrong Facebook Callback Verifier - expected ' . $verify_token . ', got ' . $_REQUEST["hub_verify_token"]);
91 if (x($_REQUEST, "hub_challenge")) {
92 logger('facebook_init: Answering Challenge: ' . $_REQUEST["hub_challenge"], LOGGER_DATA);
93 echo $_REQUEST["hub_challenge"];
98 require_once('include/items.php');
100 // this is a status update
101 $content = file_get_contents("php://input");
102 if (is_numeric($content)) $content = file_get_contents("php://input");
103 $js = json_decode($content);
104 logger(print_r($js, true), LOGGER_DATA);
106 if (!isset($js->object) || $js->object != "user" || !isset($js->entry)) {
107 logger('facebook_init: Could not parse Real-Time Update data', LOGGER_DEBUG);
111 $affected_users = array("feed" => array(), "friends" => array());
113 foreach ($js->entry as $entry) {
114 $fbuser = $entry->uid;
115 foreach ($entry->changed_fields as $field) {
116 if (!isset($affected_users[$field])) {
117 logger('facebook_init: Unknown field "' . $field . '"');
120 if (in_array($fbuser, $affected_users[$field])) continue;
122 $r = q("SELECT `uid` FROM `pconfig` WHERE `cat` = 'facebook' AND `k` = 'self_id' AND `v` = '%s' LIMIT 1", dbesc($fbuser));
127 $access_token = get_pconfig($uid,'facebook','access_token');
133 logger('facebook_init: FB-User ' . $fbuser . ' / feed', LOGGER_DEBUG);
135 if(! get_pconfig($uid,'facebook','no_wall')) {
136 $private_wall = intval(get_pconfig($uid,'facebook','private_wall'));
137 $s = fetch_url('https://graph.facebook.com/me/feed?access_token=' . $access_token);
139 $j = json_decode($s);
140 if (isset($j->data)) {
141 logger('facebook_init: wall: ' . print_r($j,true), LOGGER_DATA);
142 fb_consume_stream($uid,$j,($private_wall) ? false : true);
144 logger('facebook_init: wall: got no data from Facebook: ' . print_r($j,true), LOGGER_NORMAL);
151 logger('facebook_init: FB-User ' . $fbuser . ' / friends', LOGGER_DEBUG);
153 fb_get_friends($uid, false);
154 set_pconfig($uid,'facebook','friend_check',time());
157 logger('facebook_init: Unknown callback field for ' . $fbuser, LOGGER_NORMAL);
159 $affected_users[$field][] = $fbuser;
169 $r = q("SELECT `uid` FROM `user` WHERE `nickname` = '%s' LIMIT 1",
172 if(!(isset($r) && count($r)))
176 $auth_code = (x($_GET, 'code') ? $_GET['code'] : '');
177 $error = (x($_GET, 'error_description') ? $_GET['error_description'] : '');
181 logger('facebook_init: Error: ' . $error);
183 if($auth_code && $uid) {
185 $appid = get_config('facebook','appid');
186 $appsecret = get_config('facebook', 'appsecret');
188 $x = fetch_url('https://graph.facebook.com/oauth/access_token?client_id='
189 . $appid . '&client_secret=' . $appsecret . '&redirect_uri='
190 . urlencode($a->get_baseurl() . '/facebook/' . $nick)
191 . '&code=' . $auth_code);
193 logger('facebook_init: returned access token: ' . $x, LOGGER_DATA);
195 if(strpos($x,'access_token=') !== false) {
196 $token = str_replace('access_token=', '', $x);
197 if(strpos($token,'&') !== false)
198 $token = substr($token,0,strpos($token,'&'));
199 set_pconfig($uid,'facebook','access_token',$token);
200 set_pconfig($uid,'facebook','post','1');
201 if(get_pconfig($uid,'facebook','no_linking') === false)
202 set_pconfig($uid,'facebook','no_linking',1);
204 fb_get_friends($uid, true);
205 fb_consume_all($uid);
217 function fb_get_self($uid) {
218 $access_token = get_pconfig($uid,'facebook','access_token');
221 $s = fetch_url('https://graph.facebook.com/me/?access_token=' . $access_token);
223 $j = json_decode($s);
224 set_pconfig($uid,'facebook','self_id',(string) $j->id);
230 * @param string $access_token
231 * @param array $persons
233 function fb_get_friends_sync_new($uid, $access_token, $persons) {
234 $persons_todo = array();
235 foreach ($persons as $person) {
236 $link = 'http://facebook.com/profile.php?id=' . $person->id;
238 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' LIMIT 1",
243 if (count($r) == 0) {
244 logger('fb_get_friends: new contact found: ' . $link, LOGGER_DEBUG);
245 $persons_todo[] = $person;
248 if (count($persons_todo) > 0) fb_get_friends_sync_full($uid, $access_token, $persons_todo);
254 * @param object $contact
256 function fb_get_friends_sync_parsecontact($uid, $contact) {
257 $contact->link = 'http://facebook.com/profile.php?id=' . $contact->id;
259 // If its a page then set the first name from the username
260 if (!$contact->first_name and $contact->username)
261 $contact->first_name = $contact->username;
263 // check if we already have a contact
265 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' LIMIT 1",
267 dbesc($contact->link)
272 // check that we have all the photos, this has been known to fail on occasion
274 if((! $r[0]['photo']) || (! $r[0]['thumb']) || (! $r[0]['micro'])) {
275 require_once("Photo.php");
277 $photos = import_profile_photo('https://graph.facebook.com/' . $contact->id . '/picture', $uid, $r[0]['id']);
279 q("UPDATE `contact` SET `photo` = '%s',
285 WHERE `id` = %d LIMIT 1
290 dbesc(datetime_convert()),
291 dbesc(datetime_convert()),
292 dbesc(datetime_convert()),
300 // create contact record
301 q("INSERT INTO `contact` ( `uid`, `created`, `url`, `nurl`, `addr`, `alias`, `notify`, `poll`,
302 `name`, `nick`, `photo`, `network`, `rel`, `priority`,
303 `writable`, `blocked`, `readonly`, `pending` )
304 VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, 0, 0, 0 ) ",
306 dbesc(datetime_convert()),
307 dbesc($contact->link),
308 dbesc(normalise_link($contact->link)),
312 dbesc('facebook ' . $contact->id),
313 dbesc($contact->name),
314 dbesc(($contact->nickname) ? $contact->nickname : strtolower($contact->first_name)),
315 dbesc('https://graph.facebook.com/' . $contact->id . '/picture'),
316 dbesc(NETWORK_FACEBOOK),
317 intval(CONTACT_IS_FRIEND),
323 $r = q("SELECT * FROM `contact` WHERE `url` = '%s' AND `uid` = %d LIMIT 1",
324 dbesc($contact->link),
332 $contact_id = $r[0]['id'];
334 require_once("Photo.php");
336 $photos = import_profile_photo($r[0]['photo'],$uid,$contact_id);
338 q("UPDATE `contact` SET `photo` = '%s',
344 WHERE `id` = %d LIMIT 1
349 dbesc(datetime_convert()),
350 dbesc(datetime_convert()),
351 dbesc(datetime_convert()),
358 * @param string $access_token
359 * @param array $persons
361 function fb_get_friends_sync_full($uid, $access_token, $persons) {
362 if (count($persons) == 0) return;
363 $nums = Ceil(count($persons) / 50);
364 for ($i = 0; $i < $nums; $i++) {
365 $batch_request = array();
366 for ($j = $i * 50; $j < ($i+1) * 50 && $j < count($persons); $j++) $batch_request[] = array('method'=>'GET', 'relative_url'=>$persons[$j]->id);
367 $s = post_url('https://graph.facebook.com/', array('access_token' => $access_token, 'batch' => json_encode($batch_request)));
369 $results = json_decode($s);
370 logger('fb_get_friends: info: ' . print_r($results,true), LOGGER_DATA);
371 foreach ($results as $contact) {
372 if ($contact->code != 200) logger('fb_get_friends: not found: ' . print_r($contact,true), LOGGER_DEBUG);
373 else fb_get_friends_sync_parsecontact($uid, json_decode($contact->body));
381 // if $fullsync is true, only new contacts are searched for
385 * @param bool $fullsync
387 function fb_get_friends($uid, $fullsync = true) {
389 $r = q("SELECT `uid` FROM `user` WHERE `uid` = %d AND `account_expired` = 0 LIMIT 1",
395 $access_token = get_pconfig($uid,'facebook','access_token');
397 $no_linking = get_pconfig($uid,'facebook','no_linking');
403 $s = fetch_url('https://graph.facebook.com/me/friends?access_token=' . $access_token);
405 logger('facebook: fb_get_friends: ' . $s, LOGGER_DATA);
406 $j = json_decode($s);
407 logger('facebook: fb_get_friends: json: ' . print_r($j,true), LOGGER_DATA);
411 $persons_todo = array();
412 foreach($j->data as $person) $persons_todo[] = $person;
415 fb_get_friends_sync_full($uid, $access_token, $persons_todo);
417 fb_get_friends_sync_new($uid, $access_token, $persons_todo);
421 // This is the POST method to the facebook settings page
422 // Content is posted to Facebook in the function facebook_post_hook()
427 function facebook_post(&$a) {
432 $value = ((x($_POST,'post_by_default')) ? intval($_POST['post_by_default']) : 0);
433 set_pconfig($uid,'facebook','post_by_default', $value);
435 $no_linking = get_pconfig($uid,'facebook','no_linking');
437 $no_wall = ((x($_POST,'facebook_no_wall')) ? intval($_POST['facebook_no_wall']) : 0);
438 set_pconfig($uid,'facebook','no_wall',$no_wall);
440 $private_wall = ((x($_POST,'facebook_private_wall')) ? intval($_POST['facebook_private_wall']) : 0);
441 set_pconfig($uid,'facebook','private_wall',$private_wall);
444 set_pconfig($uid,'facebook','blocked_apps',escape_tags(trim($_POST['blocked_apps'])));
446 $linkvalue = ((x($_POST,'facebook_linking')) ? intval($_POST['facebook_linking']) : 0);
447 set_pconfig($uid,'facebook','no_linking', (($linkvalue) ? 0 : 1));
449 // FB linkage was allowed but has just been turned off - remove all FB contacts and posts
451 if((! intval($no_linking)) && (! intval($linkvalue))) {
452 $r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `network` = '%s' ",
454 dbesc(NETWORK_FACEBOOK)
457 require_once('include/Contact.php');
459 contact_remove($rr['id']);
462 elseif(intval($no_linking) && intval($linkvalue)) {
463 // FB linkage is now allowed - import stuff.
465 fb_get_friends($uid, true);
466 fb_consume_all($uid);
469 info( t('Settings updated.') . EOL);
475 // Facebook settings form
481 function facebook_content(&$a) {
484 notice( t('Permission denied.') . EOL);
488 if($a->argc > 1 && $a->argv[1] === 'remove') {
489 del_pconfig(local_user(),'facebook','post');
490 info( t('Facebook disabled') . EOL);
493 if($a->argc > 1 && $a->argv[1] === 'friends') {
494 fb_get_friends(local_user(), true);
495 info( t('Updating contacts') . EOL);
500 $fb_installed = false;
501 if (get_pconfig(local_user(),'facebook','post')) {
502 $access_token = get_pconfig(local_user(),'facebook','access_token');
504 $s = fetch_url('https://graph.facebook.com/me/feed?access_token=' . $access_token);
506 $j = json_decode($s);
507 if (isset($j->data)) $fb_installed = true;
512 $appid = get_config('facebook','appid');
515 notice( t('Facebook API key is missing.') . EOL);
519 $a->page['htmlhead'] .= '<link rel="stylesheet" type="text/css" href="'
520 . $a->get_baseurl() . '/addon/facebook/facebook.css' . '" media="all" />' . "\r\n";
522 $o .= '<h3>' . t('Facebook Connect') . '</h3>';
524 if(! $fb_installed) {
525 $o .= '<div id="facebook-enable-wrapper">';
527 $o .= '<a href="https://www.facebook.com/dialog/oauth?client_id=' . $appid . '&redirect_uri='
528 . $a->get_baseurl() . '/facebook/' . $a->user['nickname'] . '&scope=publish_stream,read_stream,offline_access">' . t('Install Facebook connector for this account.') . '</a>';
533 $o .= '<div id="facebook-disable-wrapper">';
535 $o .= '<a href="' . $a->get_baseurl() . '/facebook/remove' . '">' . t('Remove Facebook connector') . '</a></div>';
537 $o .= '<div id="facebook-enable-wrapper">';
539 $o .= '<a href="https://www.facebook.com/dialog/oauth?client_id=' . $appid . '&redirect_uri='
540 . $a->get_baseurl() . '/facebook/' . $a->user['nickname'] . '&scope=publish_stream,read_stream,offline_access">' . t('Re-authenticate [This is necessary whenever your Facebook password is changed.]') . '</a>';
543 $o .= '<div id="facebook-post-default-form">';
544 $o .= '<form action="facebook" method="post" >';
545 $post_by_default = get_pconfig(local_user(),'facebook','post_by_default');
546 $checked = (($post_by_default) ? ' checked="checked" ' : '');
547 $o .= '<input type="checkbox" name="post_by_default" value="1"' . $checked . '/>' . ' ' . t('Post to Facebook by default') . EOL;
549 $no_linking = get_pconfig(local_user(),'facebook','no_linking');
550 $checked = (($no_linking) ? '' : ' checked="checked" ');
551 $o .= '<input type="checkbox" name="facebook_linking" value="1"' . $checked . '/>' . ' ' . t('Link all your Facebook friends and conversations on this website') . EOL ;
553 $o .= '<p>' . t('Facebook conversations consist of your <em>profile wall</em> and your friend <em>stream</em>.');
554 $o .= ' ' . t('On this website, your Facebook friend stream is only visible to you.');
555 $o .= ' ' . t('The following settings determine the privacy of your Facebook profile wall on this website.') . '</p>';
557 $private_wall = get_pconfig(local_user(),'facebook','private_wall');
558 $checked = (($private_wall) ? ' checked="checked" ' : '');
559 $o .= '<input type="checkbox" name="facebook_private_wall" value="1"' . $checked . '/>' . ' ' . t('On this website your Facebook profile wall conversations will only be visible to you') . EOL ;
562 $no_wall = get_pconfig(local_user(),'facebook','no_wall');
563 $checked = (($no_wall) ? ' checked="checked" ' : '');
564 $o .= '<input type="checkbox" name="facebook_no_wall" value="1"' . $checked . '/>' . ' ' . t('Do not import your Facebook profile wall conversations') . EOL ;
566 $o .= '<p>' . t('If you choose to link conversations and leave both of these boxes unchecked, your Facebook profile wall will be merged with your profile wall on this website and your privacy settings on this website will be used to determine who may see the conversations.') . '</p>';
569 $blocked_apps = get_pconfig(local_user(),'facebook','blocked_apps');
571 $o .= '<div><label id="blocked-apps-label" for="blocked-apps">' . t('Comma separated applications to ignore') . ' </label></div>';
572 $o .= '<div><textarea id="blocked-apps" name="blocked_apps" >' . htmlspecialchars($blocked_apps) . '</textarea></div>';
574 $o .= '<input type="submit" name="submit" value="' . t('Submit') . '" /></form></div>';
583 * @param null|object $b
586 function facebook_cron($a,$b) {
588 $last = get_config('facebook','last_poll');
590 $poll_interval = intval(get_config('facebook','poll_interval'));
592 $poll_interval = FACEBOOK_DEFAULT_POLL_INTERVAL;
595 $next = $last + $poll_interval;
600 logger('facebook_cron');
603 // Find the FB users on this site and randomize in case one of them
604 // uses an obscene amount of memory. It may kill this queue run
605 // but hopefully we'll get a few others through on each run.
607 $r = q("SELECT * FROM `pconfig` WHERE `cat` = 'facebook' AND `k` = 'post' AND `v` = '1' ORDER BY RAND() ");
610 if(get_pconfig($rr['uid'],'facebook','no_linking'))
612 $ab = intval(get_config('system','account_abandon_days'));
614 $z = q("SELECT `uid` FROM `user` WHERE `uid` = %d AND `login_date` > UTC_TIMESTAMP() - INTERVAL %d DAY LIMIT 1",
622 // check for new friends once a day
623 $last_friend_check = get_pconfig($rr['uid'],'facebook','friend_check');
624 if($last_friend_check)
625 $next_friend_check = $last_friend_check + 86400;
627 $next_friend_check = 0;
628 if($next_friend_check <= time()) {
629 fb_get_friends($rr['uid'], true);
630 set_pconfig($rr['uid'],'facebook','friend_check',time());
632 fb_consume_all($rr['uid']);
636 if (get_config('facebook', 'realtime_active') == 1) {
637 if (!facebook_check_realtime_active()) {
639 logger('facebook_cron: Facebook is not sending Real-Time Updates any more, although it is supposed to. Trying to fix it...', LOGGER_NORMAL);
640 facebook_subscription_add_users();
642 if (facebook_check_realtime_active())
643 logger('facebook_cron: Successful', LOGGER_NORMAL);
645 logger('facebook_cron: Failed', LOGGER_NORMAL);
647 if(strlen($a->config['admin_email']) && !get_config('facebook', 'realtime_err_mailsent')) {
648 mail($a->config['admin_email'], t('Problems with Facebook Real-Time Updates'),
649 "Hi!\n\nThere's a problem with the Facebook Real-Time Updates that cannot be solved automatically. Maybe a permission issue?\n\nPlease try to re-activate it on " . $a->config["system"]["url"] . "/admin/plugins/facebook\n\nThis e-mail will only be sent once.",
650 'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
651 . 'Content-type: text/plain; charset=UTF-8' . "\n"
652 . 'Content-transfer-encoding: 8bit'
655 set_config('facebook', 'realtime_err_mailsent', 1);
658 } else { // !facebook_check_realtime_active()
659 del_config('facebook', 'realtime_err_mailsent');
663 set_config('facebook','last_poll', time());
670 * @param null|object $b
672 function facebook_plugin_settings(&$a,&$b) {
674 $b .= '<div class="settings-block">';
675 $b .= '<h3>' . t('Facebook') . '</h3>';
676 $b .= '<a href="facebook">' . t('Facebook Connector Settings') . '</a><br />';
684 * @param null|object $o
686 function facebook_plugin_admin(&$a, &$o){
689 $o = '<input type="hidden" name="form_security_token" value="' . get_form_security_token("fbsave") . '">';
691 $o .= '<h4>' . t('Facebook API Key') . '</h4>';
693 $appid = get_config('facebook', 'appid' );
694 $appsecret = get_config('facebook', 'appsecret' );
695 $poll_interval = get_config('facebook', 'poll_interval' );
696 if (!$poll_interval) $poll_interval = FACEBOOK_DEFAULT_POLL_INTERVAL;
698 $ret1 = q("SELECT `v` FROM `config` WHERE `cat` = 'facebook' AND `k` = 'appid' LIMIT 1");
699 $ret2 = q("SELECT `v` FROM `config` WHERE `cat` = 'facebook' AND `k` = 'appsecret' LIMIT 1");
700 if ((count($ret1) > 0 && $ret1[0]['v'] != $appid) || (count($ret2) > 0 && $ret2[0]['v'] != $appsecret)) $o .= t('Error: it appears that you have specified the App-ID and -Secret in your .htconfig.php file. As long as they are specified there, they cannot be set using this form.<br><br>');
702 $working_connection = false;
703 if ($appid && $appsecret) {
704 $subs = facebook_subscriptions_get();
705 if ($subs === null) $o .= t('Error: the given API Key seems to be incorrect (the application access token could not be retrieved).') . '<br>';
706 elseif (is_array($subs)) {
707 $o .= t('The given API Key seems to work correctly.') . '<br>';
708 $working_connection = true;
709 } else $o .= t('The correctness of the API Key could not be detected. Somthing strange\'s going on.') . '<br>';
712 $o .= '<label for="fb_appid">' . t('App-ID / API-Key') . '</label><input name="appid" type="text" value="' . escape_tags($appid ? $appid : "") . '"><br style="clear: both;">';
713 $o .= '<label for="fb_appsecret">' . t('Application secret') . '</label><input name="appsecret" type="text" value="' . escape_tags($appsecret ? $appsecret : "") . '"><br style="clear: both;">';
714 $o .= '<label for="fb_poll_interval">' . sprintf(t('Polling Interval (min. %1$s minutes)'), FACEBOOK_MIN_POLL_INTERVAL) . '</label><input name="poll_interval" type="number" min="' . FACEBOOK_MIN_POLL_INTERVAL . '" value="' . $poll_interval . '"><br style="clear: both;">';
715 $o .= '<input type="submit" name="fb_save_keys" value="' . t('Save') . '">';
717 if ($working_connection) {
718 $o .= '<h4>' . t('Real-Time Updates') . '</h4>';
720 $activated = facebook_check_realtime_active();
722 $o .= t('Real-Time Updates are activated.') . '<br><br>';
723 $o .= '<input type="submit" name="real_time_deactivate" value="' . t('Deactivate Real-Time Updates') . '">';
725 $o .= t('Real-Time Updates not activated.') . '<br><input type="submit" name="real_time_activate" value="' . t('Activate Real-Time Updates') . '">';
732 * @param null|object $o
734 function facebook_plugin_admin_post(&$a, &$o){
735 check_form_security_token_redirectOnErr('/admin/plugins/facebook', 'fbsave');
737 if (x($_REQUEST,'fb_save_keys')) {
738 set_config('facebook', 'appid', $_REQUEST['appid']);
739 set_config('facebook', 'appsecret', $_REQUEST['appsecret']);
740 $poll_interval = IntVal($_REQUEST['poll_interval']);
741 if ($poll_interval >= FACEBOOK_MIN_POLL_INTERVAL) set_config('facebook', 'poll_interval', $poll_interval);
742 del_config('facebook', 'app_access_token');
743 info(t('The new values have been saved.'));
745 if (x($_REQUEST,'real_time_activate')) {
746 facebook_subscription_add_users();
748 if (x($_REQUEST,'real_time_deactivate')) {
749 facebook_subscription_del_users();
758 function facebook_jot_nets(&$a,&$b) {
762 $fb_post = get_pconfig(local_user(),'facebook','post');
763 if(intval($fb_post) == 1) {
764 $fb_defpost = get_pconfig(local_user(),'facebook','post_by_default');
765 $selected = ((intval($fb_defpost) == 1) ? ' checked="checked" ' : '');
766 $b .= '<div class="profile-jot-net"><input type="checkbox" name="facebook_enable"' . $selected . ' value="1" /> '
767 . t('Post to Facebook') . '</div>';
777 function facebook_post_hook(&$a,&$b) {
780 if($b['deleted'] || ($b['created'] !== $b['edited']))
784 * Post to Facebook stream
787 require_once('include/group.php');
788 require_once('include/html2plain.php');
790 logger('Facebook post');
796 $allow_arr = array();
798 $toplevel = (($b['id'] == $b['parent']) ? true : false);
801 $linking = ((get_pconfig($b['uid'],'facebook','no_linking')) ? 0 : 1);
803 if((! $toplevel) && ($linking)) {
804 $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
805 intval($b['parent']),
808 if(count($r) && substr($r[0]['uri'],0,4) === 'fb::')
809 $reply = substr($r[0]['uri'],4);
810 elseif(count($r) && substr($r[0]['extid'],0,4) === 'fb::')
811 $reply = substr($r[0]['extid'],4);
815 $u = q("SELECT * FROM user where uid = %d limit 1",
821 // only accept comments from the item owner. Other contacts are unknown to FB.
823 if(! link_compare($b['author-link'], $a->get_baseurl() . '/profile/' . $u[0]['nickname']))
827 logger('facebook reply id=' . $reply);
830 if(strstr($b['postopts'],'facebook') || ($b['private']) || ($reply)) {
832 if($b['private'] && $reply === false) {
833 $allow_people = expand_acl($b['allow_cid']);
834 $allow_groups = expand_groups(expand_acl($b['allow_gid']));
835 $deny_people = expand_acl($b['deny_cid']);
836 $deny_groups = expand_groups(expand_acl($b['deny_gid']));
838 $recipients = array_unique(array_merge($allow_people,$allow_groups));
839 $deny = array_unique(array_merge($deny_people,$deny_groups));
841 $allow_str = dbesc(implode(', ',$recipients));
843 $r = q("SELECT `notify` FROM `contact` WHERE `id` IN ( $allow_str ) AND `network` = 'face'");
846 $allow_arr[] = $rr['notify'];
849 $deny_str = dbesc(implode(', ',$deny));
851 $r = q("SELECT `notify` FROM `contact` WHERE `id` IN ( $deny_str ) AND `network` = 'face'");
854 $deny_arr[] = $rr['notify'];
857 if(count($deny_arr) && (! count($allow_arr))) {
859 // One or more FB folks were denied access but nobody on FB was specifically allowed access.
860 // This might cause the post to be open to public on Facebook, but only to selected members
861 // on another network. Since this could potentially leak a post to somebody who was denied,
862 // we will skip posting it to Facebook with a slightly vague but relevant message that will
863 // hopefully lead somebody to this code comment for a better explanation of what went wrong.
865 notice( t('Post to Facebook cancelled because of multi-network access permission conflict.') . EOL);
870 // if it's a private message but no Facebook members are allowed or denied, skip Facebook post
872 if((! count($allow_arr)) && (! count($deny_arr)))
876 if($b['verb'] == ACTIVITY_LIKE)
880 $appid = get_config('facebook', 'appid' );
881 $secret = get_config('facebook', 'appsecret' );
883 if($appid && $secret) {
885 logger('facebook: have appid+secret');
887 $fb_token = get_pconfig($b['uid'],'facebook','access_token');
890 // post to facebook if it's a public post and we've ticked the 'post to Facebook' box,
891 // or it's a private message with facebook participants
892 // or it's a reply or likes action to an existing facebook post
894 if($fb_token && ($toplevel || $b['private'] || $reply)) {
895 logger('facebook: able to post');
896 require_once('library/facebook.php');
897 require_once('include/bbcode.php');
901 logger('Facebook post: original msg=' . $msg, LOGGER_DATA);
903 // make links readable before we strip the code
905 // unless it's a dislike - just send the text as a comment
907 // if($b['verb'] == ACTIVITY_DISLIKE)
908 // $msg = trim(strip_tags(bbcode($msg)));
911 /*$search_str = $a->get_baseurl() . '/search';
913 if(preg_match("/\[url=(.*?)\](.*?)\[\/url\]/is",$msg,$matches)) {
915 // don't use hashtags for message link
917 if(strpos($matches[2],$search_str) === false) {
919 if(substr($matches[2],0,5) != '[img]')
920 $linkname = $matches[2];
924 // strip tag links to avoid link clutter, this really should be
925 // configurable because we're losing information
927 $msg = preg_replace("/\#\[url=(.*?)\](.*?)\[\/url\]/is",'#$2',$msg);
929 // provide the link separately for normal links
930 $msg = preg_replace("/\[url=(.*?)\](.*?)\[\/url\]/is",'$2 $1',$msg);
932 if(preg_match("/\[img\](.*?)\[\/img\]/is",$msg,$matches))
933 $image = $matches[1];
935 $msg = preg_replace("/\[img\](.*?)\[\/img\]/is", t('Image: ') . '$1', $msg);
937 if((strpos($link,z_root()) !== false) && (! $image))
938 $image = $a->get_baseurl() . '/images/friendica-64.jpg';
940 $msg = trim(strip_tags(bbcode($msg)));*/
944 // Looking for the first image
946 if(preg_match("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/is",$b['body'],$matches))
947 $image = $matches[3];
950 if(preg_match("/\[img\](.*?)\[\/img\]/is",$b['body'],$matches))
951 $image = $matches[1];
953 // Checking for a bookmark element
955 if (strpos($body, "[bookmark") !== false) {
956 // splitting the text in two parts:
957 // before and after the bookmark
958 $pos = strpos($body, "[bookmark");
959 $body1 = substr($body, 0, $pos);
960 $body2 = substr($body, $pos);
962 // Removing the bookmark and all quotes after the bookmark
963 // they are mostly only the content after the bookmark.
964 $body2 = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'',$body2);
965 $body2 = preg_replace("/\[quote\=([^\]]*)\](.*?)\[\/quote\]/ism",'',$body2);
966 $body2 = preg_replace("/\[quote\](.*?)\[\/quote\]/ism",'',$body2);
968 $body = $body1.$body2;
971 // At first convert the text to html
972 $html = bbcode($body);
974 // Then convert it to plain text
975 $msg = trim($b['title']." \n\n".html2plain($html, 0, true));
976 $msg = html_entity_decode($msg,ENT_QUOTES,'UTF-8');
978 // Removing multiple newlines
979 while (strpos($msg, "\n\n\n") !== false)
980 $msg = str_replace("\n\n\n", "\n\n", $msg);
982 // add any attachments as text urls
983 $arr = explode(',',$b['attach']);
987 foreach($arr as $r) {
989 $cnt = preg_match('|\[attach\]href=\"(.*?)\" size=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"\[\/attach\]|',$r,$matches);
991 $msg .= "\n".$matches[1];
998 // look for bookmark-bbcode and handle it with priority
999 if(preg_match("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/is",$b['body'],$matches)) {
1000 $link = $matches[1];
1001 $linkname = $matches[2];
1004 // If there is no bookmark element then take the first link
1006 $links = collecturls($html);
1007 if (sizeof($links) > 0) {
1009 $link = current($links);
1013 // Remove trailing and leading spaces
1016 // Since facebook increased the maxpostlen massively this never should happen again :)
1017 if (strlen($msg) > FACEBOOK_MAXPOSTLEN) {
1018 require_once('library/slinky.php');
1020 $display_url = $b['plink'];
1022 $slinky = new Slinky( $display_url );
1023 // setup a cascade of shortening services
1024 // try to get a short link from these services
1025 // in the order ur1.ca, trim, id.gd, tinyurl
1026 $slinky->set_cascade( array( new Slinky_UR1ca(), new Slinky_Trim(), new Slinky_IsGd(), new Slinky_TinyURL() ) );
1027 $shortlink = $slinky->short();
1028 // the new message will be shortened such that "... $shortlink"
1029 // will fit into the character limit
1030 $msg = substr($msg, 0, FACEBOOK_MAXPOSTLEN - strlen($shortlink) - 4);
1031 $msg .= '... ' . $shortlink;
1034 // Fallback - if message is empty
1044 // If there is nothing to post then exit
1048 logger('Facebook post: msg=' . $msg, LOGGER_DATA);
1051 $postvars = array('access_token' => $fb_token);
1055 'access_token' => $fb_token,
1059 $postvars['picture'] = $image;
1060 //$postvars['type'] = "photo";
1063 $postvars['link'] = $link;
1064 //$postvars['type'] = "link";
1066 if(isset($linkname))
1067 $postvars['name'] = $linkname;
1070 if(($b['private']) && ($toplevel)) {
1071 $postvars['privacy'] = '{"value": "CUSTOM", "friends": "SOME_FRIENDS"';
1072 if(count($allow_arr))
1073 $postvars['privacy'] .= ',"allow": "' . implode(',',$allow_arr) . '"';
1074 if(count($deny_arr))
1075 $postvars['privacy'] .= ',"deny": "' . implode(',',$deny_arr) . '"';
1076 $postvars['privacy'] .= '}';
1081 $url = 'https://graph.facebook.com/' . $reply . '/' . (($likes) ? 'likes' : 'comments');
1082 } else if (($link != "") or ($image != "") or ($b['title'] == '') or (strlen($msg) < 500)) {
1083 $url = 'https://graph.facebook.com/me/feed';
1085 $postvars['actions'] = '{"name": "' . t('View on Friendica') . '", "link": "' . $b['plink'] . '"}';
1087 // if its only a message and a subject and the message is larger than 500 characters then post it as note
1089 'access_token' => $fb_token,
1090 'message' => bbcode($b['body']),
1091 'subject' => $b['title'],
1093 $url = 'https://graph.facebook.com/me/notes';
1096 logger('facebook: post to ' . $url);
1097 logger('facebook: postvars: ' . print_r($postvars,true));
1099 // "test_mode" prevents anything from actually being posted.
1100 // Otherwise, let's do it.
1102 if(! get_config('facebook','test_mode')) {
1103 $x = post_url($url, $postvars);
1104 logger('Facebook post returns: ' . $x, LOGGER_DEBUG);
1106 $retj = json_decode($x);
1108 q("UPDATE `item` SET `extid` = '%s' WHERE `id` = %d LIMIT 1",
1109 dbesc('fb::' . $retj->id),
1115 $s = serialize(array('url' => $url, 'item' => $b['id'], 'post' => $postvars));
1116 require_once('include/queue_fn.php');
1117 add_to_queue($a->contact,NETWORK_FACEBOOK,$s);
1118 notice( t('Facebook post failed. Queued for retry.') . EOL);
1121 if (isset($retj->error) && $retj->error->type == "OAuthException" && $retj->error->code == 190) {
1122 logger('Facebook session has expired due to changed password.', LOGGER_DEBUG);
1124 $last_notification = get_pconfig($b['uid'], 'facebook', 'session_expired_mailsent');
1125 if (!$last_notification || $last_notification < (time() - FACEBOOK_SESSION_ERR_NOTIFICATION_INTERVAL)) {
1126 require_once('include/enotify.php');
1128 $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1", intval($b['uid']) );
1131 'type' => NOTIFY_SYSTEM,
1132 'system_type' => 'facebook_connection_invalid',
1133 'language' => $r[0]['language'],
1134 'to_name' => $r[0]['username'],
1135 'to_email' => $r[0]['email'],
1136 'source_name' => t('Administrator'),
1137 'source_link' => $a->config["system"]["url"],
1138 'source_photo' => $a->config["system"]["url"] . '/images/person-80.jpg',
1141 set_pconfig($b['uid'], 'facebook', 'session_expired_mailsent', time());
1142 } else logger('Facebook: No notification, as the last one was sent on ' . $last_notification, LOGGER_DEBUG);
1153 * @param object $data
1155 function facebook_enotify(&$app, &$data) {
1156 if (x($data, 'params') && $data['params']['type'] == NOTIFY_SYSTEM && x($data['params'], 'system_type') && $data['params']['system_type'] == 'facebook_connection_invalid') {
1157 $data['itemlink'] = '/facebook';
1158 $data['epreamble'] = $data['preamble'] = t('Your Facebook connection became invalid. Please Re-authenticate.');
1159 $data['subject'] = t('Facebook connection became invalid');
1160 $data['body'] = sprintf( t("Hi %1\$s,\n\nThe connection between your accounts on %2\$s and Facebook became invalid. This usually happens after you change your Facebook-password. To enable the connection again, you have to %3\$sre-authenticate the Facebook-connector%4\$s."), $data['params']['to_name'], "[url=" . $app->config["system"]["url"] . "]" . $app->config["sitename"] . "[/url]", "[url=" . $app->config["system"]["url"] . "/facebook]", "[/url]");
1168 function facebook_post_local(&$a,&$b) {
1170 // Figure out if Facebook posting is enabled for this post and file it in 'postopts'
1171 // where we will discover it during background delivery.
1173 // This can only be triggered by a local user posting to their own wall.
1175 if((local_user()) && (local_user() == $b['uid'])) {
1177 $fb_post = intval(get_pconfig(local_user(),'facebook','post'));
1178 $fb_enable = (($fb_post && x($_REQUEST,'facebook_enable')) ? intval($_REQUEST['facebook_enable']) : 0);
1180 // if API is used, default to the chosen settings
1181 if($_REQUEST['api_source'] && intval(get_pconfig(local_user(),'facebook','post_by_default')))
1187 if(strlen($b['postopts']))
1188 $b['postopts'] .= ',';
1189 $b['postopts'] .= 'facebook';
1198 function fb_queue_hook(&$a,&$b) {
1200 $qi = q("SELECT * FROM `queue` WHERE `network` = '%s'",
1201 dbesc(NETWORK_FACEBOOK)
1206 require_once('include/queue_fn.php');
1208 foreach($qi as $x) {
1209 if($x['network'] !== NETWORK_FACEBOOK)
1212 logger('facebook_queue: run');
1214 $r = q("SELECT `user`.* FROM `user` LEFT JOIN `contact` on `contact`.`uid` = `user`.`uid`
1215 WHERE `contact`.`self` = 1 AND `contact`.`id` = %d LIMIT 1",
1223 $appid = get_config('facebook', 'appid' );
1224 $secret = get_config('facebook', 'appsecret' );
1226 if($appid && $secret) {
1227 $fb_post = intval(get_pconfig($user['uid'],'facebook','post'));
1228 $fb_token = get_pconfig($user['uid'],'facebook','access_token');
1230 if($fb_post && $fb_token) {
1231 logger('facebook_queue: able to post');
1232 require_once('library/facebook.php');
1234 $z = unserialize($x['content']);
1236 $j = post_url($z['url'],$z['post']);
1238 $retj = json_decode($j);
1240 q("UPDATE `item` SET `extid` = '%s' WHERE `id` = %d LIMIT 1",
1241 dbesc('fb::' . $retj->id),
1244 logger('facebook_queue: success: ' . $j);
1245 remove_queue_item($x['id']);
1248 logger('facebook_queue: failed: ' . $j);
1249 update_queue_time($x['id']);
1257 * @param string $access_token
1261 function fb_get_timeline($access_token, &$since) {
1263 $entries = new stdClass();
1264 $entries->data = array();
1267 $url = 'https://graph.facebook.com/me/home?access_token='.$access_token;
1270 $url .= "&since=".$since;
1273 $s = fetch_url($url);
1274 $j = json_decode($s);
1275 $oldestdate = time();
1276 if (isset($j->data))
1277 foreach ($j->data as $entry) {
1278 $created = strtotime($entry->created_time);
1280 if ($newest < $created)
1283 if ($created >= $since)
1284 $entries->data[] = $entry;
1286 if ($created <= $oldestdate)
1287 $oldestdate = $created;
1292 $url = $j->paging->next;
1294 } while (($oldestdate > $since) and ($since != 0) and ($url != ''));
1296 if ($newest > $since)
1305 function fb_consume_all($uid) {
1307 require_once('include/items.php');
1309 $access_token = get_pconfig($uid,'facebook','access_token');
1313 if(! get_pconfig($uid,'facebook','no_wall')) {
1314 $private_wall = intval(get_pconfig($uid,'facebook','private_wall'));
1315 $s = fetch_url('https://graph.facebook.com/me/feed?access_token=' . $access_token);
1317 $j = json_decode($s);
1318 if (isset($j->data)) {
1319 logger('fb_consume_stream: wall: ' . print_r($j,true), LOGGER_DATA);
1320 fb_consume_stream($uid,$j,($private_wall) ? false : true);
1322 logger('fb_consume_stream: wall: got no data from Facebook: ' . print_r($j,true), LOGGER_NORMAL);
1326 // Get the last date
1327 $lastdate = get_pconfig($uid,'facebook','lastdate');
1328 // fetch all items since the last date
1329 $j = fb_get_timeline($access_token, $lastdate);
1330 if (isset($j->data)) {
1331 logger('fb_consume_stream: feed: ' . print_r($j,true), LOGGER_DATA);
1332 fb_consume_stream($uid,$j,false);
1334 // Write back the last date
1335 set_pconfig($uid,'facebook','lastdate', $lastdate);
1337 logger('fb_consume_stream: feed: got no data from Facebook: ' . print_r($j,true), LOGGER_NORMAL);
1342 * @param string $link
1345 function fb_get_photo($uid,$link) {
1346 $access_token = get_pconfig($uid,'facebook','access_token');
1347 if(! $access_token || (! stristr($link,'facebook.com/photo.php')))
1349 //return "\n" . '[url=' . $link . ']' . t('link') . '[/url]';
1350 $ret = preg_match('/fbid=([0-9]*)/',$link,$match);
1352 $photo_id = $match[1];
1355 $x = fetch_url('https://graph.facebook.com/' . $photo_id . '?access_token=' . $access_token);
1356 $j = json_decode($x);
1358 return "\n\n" . '[url=' . $link . '][img]' . $j->picture . '[/img][/url]';
1360 // return "\n" . '[url=' . $link . ']' . t('link') . '[/url]';
1369 function fb_consume_stream($uid,$j,$wall = false) {
1374 $user = q("SELECT * FROM `user` WHERE `uid` = %d AND `account_expired` = 0 LIMIT 1",
1380 // $my_local_url = $a->get_baseurl() . '/profile/' . $user[0]['nickname'];
1382 $no_linking = get_pconfig($uid,'facebook','no_linking');
1386 $self = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
1390 $blocked_apps = get_pconfig($uid,'facebook','blocked_apps');
1391 $blocked_apps_arr = explode(',',$blocked_apps);
1393 $self_id = get_pconfig($uid,'facebook','self_id');
1394 if(! count($j->data) || (! strlen($self_id)))
1399 foreach($j->data as $entry) {
1400 logger('fb_consume: entry: ' . print_r($entry,true), LOGGER_DATA);
1401 $datarray = array();
1403 $r = q("SELECT * FROM `item` WHERE ( `uri` = '%s' OR `extid` = '%s') AND `uid` = %d LIMIT 1",
1404 dbesc('fb::' . $entry->id),
1405 dbesc('fb::' . $entry->id),
1410 $top_item = $r[0]['id'];
1417 $datarray['gravity'] = 0;
1418 $datarray['uid'] = $uid;
1419 $datarray['wall'] = (($wall) ? 1 : 0);
1420 $datarray['uri'] = $datarray['parent-uri'] = 'fb::' . $entry->id;
1421 $from = $entry->from;
1422 if($from->id == $self_id)
1423 $datarray['contact-id'] = $self[0]['id'];
1425 // Looking if user is known - if not he is added
1426 $access_token = get_pconfig($uid, 'facebook', 'access_token');
1427 fb_get_friends_sync_new($uid, $access_token, $from);
1429 $r = q("SELECT * FROM `contact` WHERE `notify` = '%s' AND `uid` = %d AND `blocked` = 0 AND `readonly` = 0 LIMIT 1",
1434 $datarray['contact-id'] = $r[0]['id'];
1437 // don't store post if we don't have a contact
1438 if(! x($datarray,'contact-id')) {
1439 logger('facebook: no contact '.$from->name.' '.$from->id.'. post ignored');
1443 $datarray['verb'] = ACTIVITY_POST;
1445 $datarray['owner-name'] = $self[0]['name'];
1446 $datarray['owner-link'] = $self[0]['url'];
1447 $datarray['owner-avatar'] = $self[0]['thumb'];
1449 if(isset($entry->application) && isset($entry->application->name) && strlen($entry->application->name))
1450 $datarray['app'] = strip_tags($entry->application->name);
1452 $datarray['app'] = 'facebook';
1454 $found_blocked = false;
1456 if(count($blocked_apps_arr)) {
1457 foreach($blocked_apps_arr as $bad_appl) {
1458 if(strlen(trim($bad_appl)) && (stristr($datarray['app'],trim($bad_appl)))) {
1459 $found_blocked = true;
1464 if($found_blocked) {
1465 logger('facebook: blocking application: ' . $datarray['app']);
1469 $datarray['author-name'] = $from->name;
1470 $datarray['author-link'] = 'http://facebook.com/profile.php?id=' . $from->id;
1471 $datarray['author-avatar'] = 'https://graph.facebook.com/' . $from->id . '/picture';
1472 $datarray['plink'] = $datarray['author-link'] . '&v=wall&story_fbid=' . substr($entry->id,strpos($entry->id,'_') + 1);
1474 logger('facebook: post '.$entry->id.' from '.$from->name);
1476 $datarray['body'] = (x($entry, 'message') ? escape_tags($entry->message) : '');
1478 if(x($entry, 'name') and x($entry, 'link'))
1479 $datarray['body'] .= "\n\n[bookmark=".$entry->link."]".$entry->name."[/bookmark]";
1480 elseif (x($entry, 'name'))
1481 $datarray['body'] .= "\n\n[b]" . $entry->name."[/b]";
1483 if(x($entry, 'caption')) {
1484 if(!x($entry, 'name') and x($entry, 'link'))
1485 $datarray['body'] .= "\n\n[bookmark=".$entry->link."]".$entry->caption."[/bookmark]";
1487 $datarray['body'] .= "[i]" . $entry->caption."[/i]\n";
1490 if(!x($entry, 'caption') and !x($entry, 'name')) {
1491 if (x($entry, 'link'))
1492 $datarray['body'] .= "\n[url]".$entry->link."[/url]\n";
1494 $datarray['body'] .= "\n";
1498 if(x($entry, 'description'))
1499 $quote = $entry->description;
1501 if (x($entry, 'properties'))
1502 foreach ($entry->properties as $property)
1503 $quote .= "\n".$property->name.": [url=".$property->href."]".$property->text."[/url]";
1506 $datarray['body'] .= "\n[quote]".$quote."[/quote]";
1508 // Only import the picture when the message is no video
1509 // oembed display a picture of the video as well
1510 if ($entry->type != "video") {
1511 if(x($entry, 'picture') && x($entry, 'link')) {
1512 $datarray['body'] .= "\n" . '[url=' . $entry->link . '][img]'.$entry->picture.'[/img][/url]';
1515 if(x($entry, 'picture'))
1516 $datarray['body'] .= "\n" . '[img]' . $entry->picture . '[/img]';
1517 // if just a link, it may be a wall photo - check
1518 if(x($entry, 'link'))
1519 $datarray['body'] .= fb_get_photo($uid,$entry->link);
1523 if (($datarray['app'] == "Events") and x($entry, 'actions'))
1524 foreach ($entry->actions as $action)
1525 if ($action->name == "View")
1526 $datarray['body'] .= " [url=".$action->link."]".$entry->story."[/url]";
1528 // Just as a test - to see if these are the missing entries
1529 //if(trim($datarray['body']) == '')
1530 // $datarray['body'] = $entry->story;
1532 // Adding the "story" text to see if there are useful data in it (testing)
1533 //if (($datarray['app'] != "Events") and $entry->story)
1534 // $datarray['body'] .= "\n".$entry->story;
1536 if(trim($datarray['body']) == '') {
1537 logger('facebook: empty body '.$entry->id.' '.print_r($entry, true));
1541 $datarray['body'] .= "\n";
1543 if (x($entry, 'icon'))
1544 $datarray['body'] .= "[img]".$entry->icon."[/img] ";
1546 if (x($entry, 'actions'))
1547 foreach ($entry->actions as $action)
1548 if (($action->name != "Comment") and ($action->name != "Like"))
1549 $datarray['body'] .= "[url=".$action->link."]".$action->name."[/url] ";
1551 $datarray['body'] = trim($datarray['body']);
1553 //if(($datarray['body'] != '') and ($uid == 1))
1554 // $datarray['body'] .= "[noparse]".print_r($entry, true)."[/noparse]";
1556 if (x($entry, 'place')) {
1557 if ($entry->place->name or $entry->place->location->street or
1558 $entry->place->location->city or $entry->place->location->Denmark) {
1559 $datarray['coord'] = '';
1560 if ($entry->place->name)
1561 $datarray['coord'] .= $entry->place->name;
1562 if ($entry->place->location->street)
1563 $datarray['coord'] .= $entry->place->location->street;
1564 if ($entry->place->location->city)
1565 $datarray['coord'] .= " ".$entry->place->location->city;
1566 if ($entry->place->location->country)
1567 $datarray['coord'] .= " ".$entry->place->location->country;
1568 } else if ($entry->place->location->latitude and $entry->place->location->longitude)
1569 $datarray['coord'] = substr($entry->place->location->latitude, 0, 8)
1570 .' '.substr($entry->place->location->longitude, 0, 8);
1572 $datarray['created'] = datetime_convert('UTC','UTC',$entry->created_time);
1573 $datarray['edited'] = datetime_convert('UTC','UTC',$entry->updated_time);
1575 // If the entry has a privacy policy, we cannot assume who can or cannot see it,
1576 // as the identities are from a foreign system. Mark it as private to the owner.
1578 if(x($entry, 'privacy') && $entry->privacy->value !== 'EVERYONE') {
1579 $datarray['private'] = 1;
1580 $datarray['allow_cid'] = '<' . $self[0]['id'] . '>';
1583 $top_item = item_store($datarray);
1584 $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1590 logger('fb: new top level item posted');
1594 if(x($entry, 'likes') && x($entry->likes, 'data'))
1595 $likers = $entry->likes->data;
1599 if(x($entry, 'comments') && x($entry->comments, 'data'))
1600 $comments = $entry->comments->data;
1604 if(is_array($likers)) {
1605 foreach($likers as $likes) {
1610 // If we posted the like locally, it will be found with our url, not the FB url.
1612 $second_url = (($likes->id == $self_id) ? $self[0]['url'] : 'http://facebook.com/profile.php?id=' . $likes->id);
1614 $r = q("SELECT * FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `verb` = '%s'
1615 AND ( `author-link` = '%s' OR `author-link` = '%s' ) LIMIT 1",
1616 dbesc($orig_post['uri']),
1618 dbesc(ACTIVITY_LIKE),
1619 dbesc('http://facebook.com/profile.php?id=' . $likes->id),
1626 $likedata = array();
1627 $likedata['parent'] = $top_item;
1628 $likedata['verb'] = ACTIVITY_LIKE;
1629 $likedata['gravity'] = 3;
1630 $likedata['uid'] = $uid;
1631 $likedata['wall'] = (($wall) ? 1 : 0);
1632 $likedata['uri'] = item_new_uri($a->get_baseurl(), $uid);
1633 $likedata['parent-uri'] = $orig_post['uri'];
1634 if($likes->id == $self_id)
1635 $likedata['contact-id'] = $self[0]['id'];
1637 $r = q("SELECT * FROM `contact` WHERE `notify` = '%s' AND `uid` = %d AND `blocked` = 0 AND `readonly` = 0 LIMIT 1",
1642 $likedata['contact-id'] = $r[0]['id'];
1644 if(! x($likedata,'contact-id'))
1645 $likedata['contact-id'] = $orig_post['contact-id'];
1647 $likedata['app'] = 'facebook';
1648 $likedata['verb'] = ACTIVITY_LIKE;
1649 $likedata['author-name'] = $likes->name;
1650 $likedata['author-link'] = 'http://facebook.com/profile.php?id=' . $likes->id;
1651 $likedata['author-avatar'] = 'https://graph.facebook.com/' . $likes->id . '/picture';
1653 $author = '[url=' . $likedata['author-link'] . ']' . $likedata['author-name'] . '[/url]';
1654 $objauthor = '[url=' . $orig_post['author-link'] . ']' . $orig_post['author-name'] . '[/url]';
1655 $post_type = t('status');
1656 $plink = '[url=' . $orig_post['plink'] . ']' . $post_type . '[/url]';
1657 $likedata['object-type'] = ACTIVITY_OBJ_NOTE;
1659 $likedata['body'] = sprintf( t('%1$s likes %2$s\'s %3$s'), $author, $objauthor, $plink);
1660 $likedata['object'] = '<object><type>' . ACTIVITY_OBJ_NOTE . '</type><local>1</local>' .
1661 '<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>' . $orig_post['body'] . '</content></object>';
1663 item_store($likedata);
1666 if(is_array($comments)) {
1667 foreach($comments as $cmnt) {
1672 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND ( `uri` = '%s' OR `extid` = '%s' ) LIMIT 1",
1674 dbesc('fb::' . $cmnt->id),
1675 dbesc('fb::' . $cmnt->id)
1680 $cmntdata = array();
1681 $cmntdata['parent'] = $top_item;
1682 $cmntdata['verb'] = ACTIVITY_POST;
1683 $cmntdata['gravity'] = 6;
1684 $cmntdata['uid'] = $uid;
1685 $cmntdata['wall'] = (($wall) ? 1 : 0);
1686 $cmntdata['uri'] = 'fb::' . $cmnt->id;
1687 $cmntdata['parent-uri'] = $orig_post['uri'];
1688 if($cmnt->from->id == $self_id) {
1689 $cmntdata['contact-id'] = $self[0]['id'];
1692 $r = q("SELECT * FROM `contact` WHERE `notify` = '%s' AND `uid` = %d LIMIT 1",
1693 dbesc($cmnt->from->id),
1697 $cmntdata['contact-id'] = $r[0]['id'];
1698 if($r[0]['blocked'] || $r[0]['readonly'])
1702 if(! x($cmntdata,'contact-id'))
1703 $cmntdata['contact-id'] = $orig_post['contact-id'];
1705 $cmntdata['app'] = 'facebook';
1706 $cmntdata['created'] = datetime_convert('UTC','UTC',$cmnt->created_time);
1707 $cmntdata['edited'] = datetime_convert('UTC','UTC',$cmnt->created_time);
1708 $cmntdata['verb'] = ACTIVITY_POST;
1709 $cmntdata['author-name'] = $cmnt->from->name;
1710 $cmntdata['author-link'] = 'http://facebook.com/profile.php?id=' . $cmnt->from->id;
1711 $cmntdata['author-avatar'] = 'https://graph.facebook.com/' . $cmnt->from->id . '/picture';
1712 $cmntdata['body'] = $cmnt->message;
1713 $item = item_store($cmntdata);
1715 $myconv = q("SELECT `author-link`, `author-avatar`, `parent` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 ",
1716 dbesc($orig_post['uri']),
1720 if(count($myconv)) {
1721 $importer_url = $a->get_baseurl() . '/profile/' . $user[0]['nickname'];
1723 foreach($myconv as $conv) {
1725 // now if we find a match, it means we're in this conversation
1727 if(! link_compare($conv['author-link'],$importer_url))
1730 require_once('include/enotify.php');
1732 $conv_parent = $conv['parent'];
1735 'type' => NOTIFY_COMMENT,
1736 'notify_flags' => $user[0]['notify-flags'],
1737 'language' => $user[0]['language'],
1738 'to_name' => $user[0]['username'],
1739 'to_email' => $user[0]['email'],
1740 'uid' => $user[0]['uid'],
1741 'item' => $cmntdata,
1742 'link' => $a->get_baseurl() . '/display/' . $user[0]['nickname'] . '/' . $item,
1743 'source_name' => $cmntdata['author-name'],
1744 'source_link' => $cmntdata['author-link'],
1745 'source_photo' => $cmntdata['author-avatar'],
1746 'verb' => ACTIVITY_POST,
1748 'parent' => $conv_parent,
1751 // only send one notification
1762 * @return bool|string
1764 function fb_get_app_access_token() {
1766 $acc_token = get_config('facebook','app_access_token');
1768 if ($acc_token !== false) return $acc_token;
1770 $appid = get_config('facebook','appid');
1771 $appsecret = get_config('facebook', 'appsecret');
1773 if ($appid === false || $appsecret === false) {
1774 logger('fb_get_app_access_token: appid and/or appsecret not set', LOGGER_DEBUG);
1777 logger('https://graph.facebook.com/oauth/access_token?client_id=' . $appid . '&client_secret=' . $appsecret . '&grant_type=client_credentials', LOGGER_DATA);
1778 $x = fetch_url('https://graph.facebook.com/oauth/access_token?client_id=' . $appid . '&client_secret=' . $appsecret . '&grant_type=client_credentials');
1780 if(strpos($x,'access_token=') !== false) {
1781 logger('fb_get_app_access_token: returned access token: ' . $x, LOGGER_DATA);
1783 $token = str_replace('access_token=', '', $x);
1784 if(strpos($token,'&') !== false)
1785 $token = substr($token,0,strpos($token,'&'));
1788 logger('fb_get_app_access_token: empty token: ' . $x, LOGGER_DEBUG);
1791 set_config('facebook','app_access_token',$token);
1794 logger('fb_get_app_access_token: response did not contain an access_token: ' . $x, LOGGER_DATA);
1799 function facebook_subscription_del_users() {
1801 $access_token = fb_get_app_access_token();
1803 $url = "https://graph.facebook.com/" . get_config('facebook', 'appid' ) . "/subscriptions?access_token=" . $access_token;
1804 facebook_delete_url($url);
1806 if (!facebook_check_realtime_active()) del_config('facebook', 'realtime_active');
1810 * @param bool $second_try
1812 function facebook_subscription_add_users($second_try = false) {
1814 $access_token = fb_get_app_access_token();
1816 $url = "https://graph.facebook.com/" . get_config('facebook', 'appid' ) . "/subscriptions?access_token=" . $access_token;
1818 list($usec, $sec) = explode(" ", microtime());
1819 $verify_token = sha1($usec . $sec . rand(0, 999999999));
1820 set_config('facebook', 'cb_verify_token', $verify_token);
1822 $cb = $a->get_baseurl() . '/facebook/?realtime_cb=1';
1824 $j = post_url($url,array(
1826 "fields" => "feed,friends",
1827 "callback_url" => $cb,
1828 "verify_token" => $verify_token,
1830 del_config('facebook', 'cb_verify_token');
1833 $x = json_decode($j);
1834 logger("Facebook reponse: " . $j, LOGGER_DATA);
1835 if (isset($x->error)) {
1836 logger('facebook_subscription_add_users: got an error: ' . $j);
1837 if ($x->error->type == "OAuthException" && $x->error->code == 190) {
1838 del_config('facebook', 'app_access_token');
1839 if ($second_try === false) facebook_subscription_add_users(true);
1842 logger('facebook_subscription_add_users: sucessful');
1843 if (facebook_check_realtime_active()) set_config('facebook', 'realtime_active', 1);
1849 * @return null|array
1851 function facebook_subscriptions_get() {
1853 $access_token = fb_get_app_access_token();
1854 if (!$access_token) return null;
1856 $url = "https://graph.facebook.com/" . get_config('facebook', 'appid' ) . "/subscriptions?access_token=" . $access_token;
1857 $j = fetch_url($url);
1860 $x = json_decode($j);
1861 if (isset($x->data)) $ret = $x->data;
1870 function facebook_check_realtime_active() {
1871 $ret = facebook_subscriptions_get();
1872 if (is_null($ret)) return false;
1873 if (is_array($ret)) foreach ($ret as $re) if (is_object($re) && $re->object == "user") return true;
1880 // DELETE-request to $url
1882 if(! function_exists('facebook_delete_url')) {
1884 * @param string $url
1885 * @param null|array $headers
1886 * @param int $redirects
1887 * @param int $timeout
1888 * @return bool|string
1890 function facebook_delete_url($url,$headers = null, &$redirects = 0, $timeout = 0) {
1892 $ch = curl_init($url);
1893 if(($redirects > 8) || (! $ch))
1896 curl_setopt($ch, CURLOPT_HEADER, true);
1897 curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
1898 curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "DELETE");
1899 curl_setopt($ch, CURLOPT_USERAGENT, "Friendica");
1901 if(intval($timeout)) {
1902 curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
1905 $curl_time = intval(get_config('system','curl_timeout'));
1906 curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
1909 if(defined('LIGHTTPD')) {
1910 if(!is_array($headers)) {
1911 $headers = array('Expect:');
1913 if(!in_array('Expect:', $headers)) {
1914 array_push($headers, 'Expect:');
1919 curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
1921 $check_cert = get_config('system','verifyssl');
1922 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
1923 $prx = get_config('system','proxy');
1925 curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
1926 curl_setopt($ch, CURLOPT_PROXY, $prx);
1927 $prxusr = get_config('system','proxyuser');
1929 curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
1932 $a->set_curl_code(0);
1934 // don't let curl abort the entire application
1935 // if it throws any errors.
1937 $s = @curl_exec($ch);
1940 $curl_info = curl_getinfo($ch);
1941 $http_code = $curl_info['http_code'];
1945 // Pull out multiple headers, e.g. proxy and continuation headers
1946 // allow for HTTP/2.x without fixing code
1948 while(preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/',$base)) {
1949 $chunk = substr($base,0,strpos($base,"\r\n\r\n")+4);
1951 $base = substr($base,strlen($chunk));
1954 if($http_code == 301 || $http_code == 302 || $http_code == 303) {
1956 preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
1957 $url = trim(array_pop($matches));
1958 $url_parsed = @parse_url($url);
1959 if (isset($url_parsed)) {
1961 return facebook_delete_url($url,$headers,$redirects,$timeout);
1964 $a->set_curl_code($http_code);
1965 $body = substr($s,strlen($header));
1967 $a->set_curl_headers($header);