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);
36 define('FACEBOOK_RTU_ERR_MAIL_AFTER_MINUTES', 180); // 3 hours
38 require_once('include/security.php');
40 function facebook_install() {
41 register_hook('post_local', 'addon/facebook/facebook.php', 'facebook_post_local');
42 register_hook('notifier_normal', 'addon/facebook/facebook.php', 'facebook_post_hook');
43 register_hook('jot_networks', 'addon/facebook/facebook.php', 'facebook_jot_nets');
44 register_hook('connector_settings', 'addon/facebook/facebook.php', 'facebook_plugin_settings');
45 register_hook('cron', 'addon/facebook/facebook.php', 'facebook_cron');
46 register_hook('enotify', 'addon/facebook/facebook.php', 'facebook_enotify');
47 register_hook('queue_predeliver', 'addon/facebook/facebook.php', 'fb_queue_hook');
51 function facebook_uninstall() {
52 unregister_hook('post_local', 'addon/facebook/facebook.php', 'facebook_post_local');
53 unregister_hook('notifier_normal', 'addon/facebook/facebook.php', 'facebook_post_hook');
54 unregister_hook('jot_networks', 'addon/facebook/facebook.php', 'facebook_jot_nets');
55 unregister_hook('connector_settings', 'addon/facebook/facebook.php', 'facebook_plugin_settings');
56 unregister_hook('cron', 'addon/facebook/facebook.php', 'facebook_cron');
57 unregister_hook('enotify', 'addon/facebook/facebook.php', 'facebook_enotify');
58 unregister_hook('queue_predeliver', 'addon/facebook/facebook.php', 'fb_queue_hook');
61 unregister_hook('post_local_end', 'addon/facebook/facebook.php', 'facebook_post_hook');
62 unregister_hook('plugin_settings', 'addon/facebook/facebook.php', 'facebook_plugin_settings');
66 /* declare the facebook_module function so that /facebook url requests will land here */
68 function facebook_module() {}
72 // If a->argv[1] is a nickname, this is a callback from Facebook oauth requests.
73 // If $_REQUEST["realtime_cb"] is set, this is a callback from the Real-Time Updates API
78 function facebook_init(&$a) {
80 if (x($_REQUEST, "realtime_cb") && x($_REQUEST, "realtime_cb")) {
81 logger("facebook_init: Facebook Real-Time callback called", LOGGER_DEBUG);
83 if (x($_REQUEST, "hub_verify_token")) {
84 // this is the verification callback while registering for real time updates
86 $verify_token = get_config('facebook', 'cb_verify_token');
87 if ($verify_token != $_REQUEST["hub_verify_token"]) {
88 logger('facebook_init: Wrong Facebook Callback Verifier - expected ' . $verify_token . ', got ' . $_REQUEST["hub_verify_token"]);
92 if (x($_REQUEST, "hub_challenge")) {
93 logger('facebook_init: Answering Challenge: ' . $_REQUEST["hub_challenge"], LOGGER_DATA);
94 echo $_REQUEST["hub_challenge"];
99 require_once('include/items.php');
101 // this is a status update
102 $content = file_get_contents("php://input");
103 if (is_numeric($content)) $content = file_get_contents("php://input");
104 $js = json_decode($content);
105 logger(print_r($js, true), LOGGER_DATA);
107 if (!isset($js->object) || $js->object != "user" || !isset($js->entry)) {
108 logger('facebook_init: Could not parse Real-Time Update data', LOGGER_DEBUG);
112 $affected_users = array("feed" => array(), "friends" => array());
114 foreach ($js->entry as $entry) {
115 $fbuser = $entry->uid;
116 foreach ($entry->changed_fields as $field) {
117 if (!isset($affected_users[$field])) {
118 logger('facebook_init: Unknown field "' . $field . '"');
121 if (in_array($fbuser, $affected_users[$field])) continue;
123 $r = q("SELECT `uid` FROM `pconfig` WHERE `cat` = 'facebook' AND `k` = 'self_id' AND `v` = '%s' LIMIT 1", dbesc($fbuser));
128 $access_token = get_pconfig($uid,'facebook','access_token');
134 logger('facebook_init: FB-User ' . $fbuser . ' / feed', LOGGER_DEBUG);
136 if(! get_pconfig($uid,'facebook','no_wall')) {
137 $private_wall = intval(get_pconfig($uid,'facebook','private_wall'));
138 $s = fetch_url('https://graph.facebook.com/me/feed?access_token=' . $access_token);
140 $j = json_decode($s);
141 if (isset($j->data)) {
142 logger('facebook_init: wall: ' . print_r($j,true), LOGGER_DATA);
143 fb_consume_stream($uid,$j,($private_wall) ? false : true);
145 logger('facebook_init: wall: got no data from Facebook: ' . print_r($j,true), LOGGER_NORMAL);
152 logger('facebook_init: FB-User ' . $fbuser . ' / friends', LOGGER_DEBUG);
154 fb_get_friends($uid, false);
155 set_pconfig($uid,'facebook','friend_check',time());
158 logger('facebook_init: Unknown callback field for ' . $fbuser, LOGGER_NORMAL);
160 $affected_users[$field][] = $fbuser;
170 $r = q("SELECT `uid` FROM `user` WHERE `nickname` = '%s' LIMIT 1",
173 if(!(isset($r) && count($r)))
177 $auth_code = (x($_GET, 'code') ? $_GET['code'] : '');
178 $error = (x($_GET, 'error_description') ? $_GET['error_description'] : '');
182 logger('facebook_init: Error: ' . $error);
184 if($auth_code && $uid) {
186 $appid = get_config('facebook','appid');
187 $appsecret = get_config('facebook', 'appsecret');
189 $x = fetch_url('https://graph.facebook.com/oauth/access_token?client_id='
190 . $appid . '&client_secret=' . $appsecret . '&redirect_uri='
191 . urlencode($a->get_baseurl() . '/facebook/' . $nick)
192 . '&code=' . $auth_code);
194 logger('facebook_init: returned access token: ' . $x, LOGGER_DATA);
196 if(strpos($x,'access_token=') !== false) {
197 $token = str_replace('access_token=', '', $x);
198 if(strpos($token,'&') !== false)
199 $token = substr($token,0,strpos($token,'&'));
200 set_pconfig($uid,'facebook','access_token',$token);
201 set_pconfig($uid,'facebook','post','1');
202 if(get_pconfig($uid,'facebook','no_linking') === false)
203 set_pconfig($uid,'facebook','no_linking',1);
205 fb_get_friends($uid, true);
206 fb_consume_all($uid);
218 function fb_get_self($uid) {
219 $access_token = get_pconfig($uid,'facebook','access_token');
222 $s = fetch_url('https://graph.facebook.com/me/?access_token=' . $access_token);
224 $j = json_decode($s);
225 set_pconfig($uid,'facebook','self_id',(string) $j->id);
231 * @param string $access_token
232 * @param array $persons
234 function fb_get_friends_sync_new($uid, $access_token, $persons) {
235 $persons_todo = array();
236 foreach ($persons as $person) {
237 $link = 'http://facebook.com/profile.php?id=' . $person->id;
239 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' LIMIT 1",
244 if (count($r) == 0) {
245 logger('fb_get_friends: new contact found: ' . $link, LOGGER_DEBUG);
246 $persons_todo[] = $person;
249 if (count($persons_todo) > 0) fb_get_friends_sync_full($uid, $access_token, $persons_todo);
255 * @param object $contact
257 function fb_get_friends_sync_parsecontact($uid, $contact) {
258 $contact->link = 'http://facebook.com/profile.php?id=' . $contact->id;
260 // If its a page then set the first name from the username
261 if (!$contact->first_name and $contact->username)
262 $contact->first_name = $contact->username;
264 // check if we already have a contact
266 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' LIMIT 1",
268 dbesc($contact->link)
273 // check that we have all the photos, this has been known to fail on occasion
275 if((! $r[0]['photo']) || (! $r[0]['thumb']) || (! $r[0]['micro'])) {
276 require_once("Photo.php");
278 $photos = import_profile_photo('https://graph.facebook.com/' . $contact->id . '/picture', $uid, $r[0]['id']);
280 q("UPDATE `contact` SET `photo` = '%s',
286 WHERE `id` = %d LIMIT 1
291 dbesc(datetime_convert()),
292 dbesc(datetime_convert()),
293 dbesc(datetime_convert()),
301 // create contact record
302 q("INSERT INTO `contact` ( `uid`, `created`, `url`, `nurl`, `addr`, `alias`, `notify`, `poll`,
303 `name`, `nick`, `photo`, `network`, `rel`, `priority`,
304 `writable`, `blocked`, `readonly`, `pending` )
305 VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, 0, 0, 0 ) ",
307 dbesc(datetime_convert()),
308 dbesc($contact->link),
309 dbesc(normalise_link($contact->link)),
313 dbesc('facebook ' . $contact->id),
314 dbesc($contact->name),
315 dbesc(($contact->nickname) ? $contact->nickname : strtolower($contact->first_name)),
316 dbesc('https://graph.facebook.com/' . $contact->id . '/picture'),
317 dbesc(NETWORK_FACEBOOK),
318 intval(CONTACT_IS_FRIEND),
324 $r = q("SELECT * FROM `contact` WHERE `url` = '%s' AND `uid` = %d LIMIT 1",
325 dbesc($contact->link),
333 $contact_id = $r[0]['id'];
335 require_once("Photo.php");
337 $photos = import_profile_photo($r[0]['photo'],$uid,$contact_id);
339 q("UPDATE `contact` SET `photo` = '%s',
345 WHERE `id` = %d LIMIT 1
350 dbesc(datetime_convert()),
351 dbesc(datetime_convert()),
352 dbesc(datetime_convert()),
359 * @param string $access_token
360 * @param array $persons
362 function fb_get_friends_sync_full($uid, $access_token, $persons) {
363 if (count($persons) == 0) return;
364 $nums = Ceil(count($persons) / 50);
365 for ($i = 0; $i < $nums; $i++) {
366 $batch_request = array();
367 for ($j = $i * 50; $j < ($i+1) * 50 && $j < count($persons); $j++) $batch_request[] = array('method'=>'GET', 'relative_url'=>$persons[$j]->id);
368 $s = post_url('https://graph.facebook.com/', array('access_token' => $access_token, 'batch' => json_encode($batch_request)));
370 $results = json_decode($s);
371 logger('fb_get_friends: info: ' . print_r($results,true), LOGGER_DATA);
372 foreach ($results as $contact) {
373 if ($contact->code != 200) logger('fb_get_friends: not found: ' . print_r($contact,true), LOGGER_DEBUG);
374 else fb_get_friends_sync_parsecontact($uid, json_decode($contact->body));
382 // if $fullsync is true, only new contacts are searched for
386 * @param bool $fullsync
388 function fb_get_friends($uid, $fullsync = true) {
390 $r = q("SELECT `uid` FROM `user` WHERE `uid` = %d AND `account_expired` = 0 LIMIT 1",
396 $access_token = get_pconfig($uid,'facebook','access_token');
398 $no_linking = get_pconfig($uid,'facebook','no_linking');
404 $s = fetch_url('https://graph.facebook.com/me/friends?access_token=' . $access_token);
406 logger('facebook: fb_get_friends: ' . $s, LOGGER_DATA);
407 $j = json_decode($s);
408 logger('facebook: fb_get_friends: json: ' . print_r($j,true), LOGGER_DATA);
412 $persons_todo = array();
413 foreach($j->data as $person) $persons_todo[] = $person;
416 fb_get_friends_sync_full($uid, $access_token, $persons_todo);
418 fb_get_friends_sync_new($uid, $access_token, $persons_todo);
422 // This is the POST method to the facebook settings page
423 // Content is posted to Facebook in the function facebook_post_hook()
428 function facebook_post(&$a) {
433 $value = ((x($_POST,'post_by_default')) ? intval($_POST['post_by_default']) : 0);
434 set_pconfig($uid,'facebook','post_by_default', $value);
436 $no_linking = get_pconfig($uid,'facebook','no_linking');
438 $no_wall = ((x($_POST,'facebook_no_wall')) ? intval($_POST['facebook_no_wall']) : 0);
439 set_pconfig($uid,'facebook','no_wall',$no_wall);
441 $private_wall = ((x($_POST,'facebook_private_wall')) ? intval($_POST['facebook_private_wall']) : 0);
442 set_pconfig($uid,'facebook','private_wall',$private_wall);
445 set_pconfig($uid,'facebook','blocked_apps',escape_tags(trim($_POST['blocked_apps'])));
447 $linkvalue = ((x($_POST,'facebook_linking')) ? intval($_POST['facebook_linking']) : 0);
448 set_pconfig($uid,'facebook','no_linking', (($linkvalue) ? 0 : 1));
450 // FB linkage was allowed but has just been turned off - remove all FB contacts and posts
452 if((! intval($no_linking)) && (! intval($linkvalue))) {
453 $r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `network` = '%s' ",
455 dbesc(NETWORK_FACEBOOK)
458 require_once('include/Contact.php');
460 contact_remove($rr['id']);
463 elseif(intval($no_linking) && intval($linkvalue)) {
464 // FB linkage is now allowed - import stuff.
466 fb_get_friends($uid, true);
467 fb_consume_all($uid);
470 info( t('Settings updated.') . EOL);
476 // Facebook settings form
482 function facebook_content(&$a) {
485 notice( t('Permission denied.') . EOL);
489 if($a->argc > 1 && $a->argv[1] === 'remove') {
490 del_pconfig(local_user(),'facebook','post');
491 info( t('Facebook disabled') . EOL);
494 if($a->argc > 1 && $a->argv[1] === 'friends') {
495 fb_get_friends(local_user(), true);
496 info( t('Updating contacts') . EOL);
501 $fb_installed = false;
502 if (get_pconfig(local_user(),'facebook','post')) {
503 $access_token = get_pconfig(local_user(),'facebook','access_token');
505 $s = fetch_url('https://graph.facebook.com/me/feed?access_token=' . $access_token);
507 $j = json_decode($s);
508 if (isset($j->data)) $fb_installed = true;
513 $appid = get_config('facebook','appid');
516 notice( t('Facebook API key is missing.') . EOL);
520 $a->page['htmlhead'] .= '<link rel="stylesheet" type="text/css" href="'
521 . $a->get_baseurl() . '/addon/facebook/facebook.css' . '" media="all" />' . "\r\n";
523 $o .= '<h3>' . t('Facebook Connect') . '</h3>';
525 if(! $fb_installed) {
526 $o .= '<div id="facebook-enable-wrapper">';
528 $o .= '<a href="https://www.facebook.com/dialog/oauth?client_id=' . $appid . '&redirect_uri='
529 . $a->get_baseurl() . '/facebook/' . $a->user['nickname'] . '&scope=publish_stream,read_stream,offline_access">' . t('Install Facebook connector for this account.') . '</a>';
534 $o .= '<div id="facebook-disable-wrapper">';
536 $o .= '<a href="' . $a->get_baseurl() . '/facebook/remove' . '">' . t('Remove Facebook connector') . '</a></div>';
538 $o .= '<div id="facebook-enable-wrapper">';
540 $o .= '<a href="https://www.facebook.com/dialog/oauth?client_id=' . $appid . '&redirect_uri='
541 . $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>';
544 $o .= '<div id="facebook-post-default-form">';
545 $o .= '<form action="facebook" method="post" >';
546 $post_by_default = get_pconfig(local_user(),'facebook','post_by_default');
547 $checked = (($post_by_default) ? ' checked="checked" ' : '');
548 $o .= '<input type="checkbox" name="post_by_default" value="1"' . $checked . '/>' . ' ' . t('Post to Facebook by default') . EOL;
550 $no_linking = get_pconfig(local_user(),'facebook','no_linking');
551 $checked = (($no_linking) ? '' : ' checked="checked" ');
552 $o .= '<input type="checkbox" name="facebook_linking" value="1"' . $checked . '/>' . ' ' . t('Link all your Facebook friends and conversations on this website') . EOL ;
554 $o .= '<p>' . t('Facebook conversations consist of your <em>profile wall</em> and your friend <em>stream</em>.');
555 $o .= ' ' . t('On this website, your Facebook friend stream is only visible to you.');
556 $o .= ' ' . t('The following settings determine the privacy of your Facebook profile wall on this website.') . '</p>';
558 $private_wall = get_pconfig(local_user(),'facebook','private_wall');
559 $checked = (($private_wall) ? ' checked="checked" ' : '');
560 $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 ;
563 $no_wall = get_pconfig(local_user(),'facebook','no_wall');
564 $checked = (($no_wall) ? ' checked="checked" ' : '');
565 $o .= '<input type="checkbox" name="facebook_no_wall" value="1"' . $checked . '/>' . ' ' . t('Do not import your Facebook profile wall conversations') . EOL ;
567 $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>';
570 $blocked_apps = get_pconfig(local_user(),'facebook','blocked_apps');
572 $o .= '<div><label id="blocked-apps-label" for="blocked-apps">' . t('Comma separated applications to ignore') . ' </label></div>';
573 $o .= '<div><textarea id="blocked-apps" name="blocked_apps" >' . htmlspecialchars($blocked_apps) . '</textarea></div>';
575 $o .= '<input type="submit" name="submit" value="' . t('Submit') . '" /></form></div>';
584 * @param null|object $b
587 function facebook_cron($a,$b) {
589 $last = get_config('facebook','last_poll');
591 $poll_interval = intval(get_config('facebook','poll_interval'));
593 $poll_interval = FACEBOOK_DEFAULT_POLL_INTERVAL;
596 $next = $last + ($poll_interval * 60);
601 logger('facebook_cron');
604 // Find the FB users on this site and randomize in case one of them
605 // uses an obscene amount of memory. It may kill this queue run
606 // but hopefully we'll get a few others through on each run.
608 $r = q("SELECT * FROM `pconfig` WHERE `cat` = 'facebook' AND `k` = 'post' AND `v` = '1' ORDER BY RAND() ");
611 if(get_pconfig($rr['uid'],'facebook','no_linking'))
613 $ab = intval(get_config('system','account_abandon_days'));
615 $z = q("SELECT `uid` FROM `user` WHERE `uid` = %d AND `login_date` > UTC_TIMESTAMP() - INTERVAL %d DAY LIMIT 1",
623 // check for new friends once a day
624 $last_friend_check = get_pconfig($rr['uid'],'facebook','friend_check');
625 if($last_friend_check)
626 $next_friend_check = $last_friend_check + 86400;
628 $next_friend_check = 0;
629 if($next_friend_check <= time()) {
630 fb_get_friends($rr['uid'], true);
631 set_pconfig($rr['uid'],'facebook','friend_check',time());
633 fb_consume_all($rr['uid']);
637 if (get_config('facebook', 'realtime_active') == 1) {
638 if (!facebook_check_realtime_active()) {
640 logger('facebook_cron: Facebook is not sending Real-Time Updates any more, although it is supposed to. Trying to fix it...', LOGGER_NORMAL);
641 facebook_subscription_add_users();
643 if (facebook_check_realtime_active())
644 logger('facebook_cron: Successful', LOGGER_NORMAL);
646 logger('facebook_cron: Failed', LOGGER_NORMAL);
648 $first_err = get_config('facebook', 'realtime_first_err');
651 set_config('facebook', 'realtime_first_err', $first_err);
653 $first_err_ago = (time() - $first_err);
655 if(strlen($a->config['admin_email']) && !get_config('facebook', 'realtime_err_mailsent') && $first_err_ago > (FACEBOOK_RTU_ERR_MAIL_AFTER_MINUTES * 60)) {
656 mail($a->config['admin_email'], t('Problems with Facebook Real-Time Updates'),
657 "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.",
658 'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
659 . 'Content-type: text/plain; charset=UTF-8' . "\n"
660 . 'Content-transfer-encoding: 8bit'
663 set_config('facebook', 'realtime_err_mailsent', 1);
666 } else { // !facebook_check_realtime_active()
667 del_config('facebook', 'realtime_err_mailsent');
668 del_config('facebook', 'realtime_first_err');
672 set_config('facebook','last_poll', time());
679 * @param null|object $b
681 function facebook_plugin_settings(&$a,&$b) {
683 $b .= '<div class="settings-block">';
684 $b .= '<h3>' . t('Facebook') . '</h3>';
685 $b .= '<a href="facebook">' . t('Facebook Connector Settings') . '</a><br />';
693 * @param null|object $o
695 function facebook_plugin_admin(&$a, &$o){
698 $o = '<input type="hidden" name="form_security_token" value="' . get_form_security_token("fbsave") . '">';
700 $o .= '<h4>' . t('Facebook API Key') . '</h4>';
702 $appid = get_config('facebook', 'appid' );
703 $appsecret = get_config('facebook', 'appsecret' );
704 $poll_interval = get_config('facebook', 'poll_interval' );
705 $sync_comments = get_config('facebook', 'sync_comments' );
706 if (!$poll_interval) $poll_interval = FACEBOOK_DEFAULT_POLL_INTERVAL;
708 $ret1 = q("SELECT `v` FROM `config` WHERE `cat` = 'facebook' AND `k` = 'appid' LIMIT 1");
709 $ret2 = q("SELECT `v` FROM `config` WHERE `cat` = 'facebook' AND `k` = 'appsecret' LIMIT 1");
710 if ((count($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>');
712 $working_connection = false;
713 if ($appid && $appsecret) {
714 $subs = facebook_subscriptions_get();
715 if ($subs === null) $o .= t('Error: the given API Key seems to be incorrect (the application access token could not be retrieved).') . '<br>';
716 elseif (is_array($subs)) {
717 $o .= t('The given API Key seems to work correctly.') . '<br>';
718 $working_connection = true;
719 } else $o .= t('The correctness of the API Key could not be detected. Somthing strange\'s going on.') . '<br>';
722 $o .= '<label for="fb_appid">' . t('App-ID / API-Key') . '</label><input id="fb_appid" name="appid" type="text" value="' . escape_tags($appid ? $appid : "") . '"><br style="clear: both;">';
723 $o .= '<label for="fb_appsecret">' . t('Application secret') . '</label><input id="fb_appsecret" name="appsecret" type="text" value="' . escape_tags($appsecret ? $appsecret : "") . '"><br style="clear: both;">';
724 $o .= '<label for="fb_poll_interval">' . sprintf(t('Polling Interval in minutes (minimum %1$s minutes)'), FACEBOOK_MIN_POLL_INTERVAL) . '</label><input name="poll_interval" id="fb_poll_interval" type="number" min="' . FACEBOOK_MIN_POLL_INTERVAL . '" value="' . $poll_interval . '"><br style="clear: both;">';
725 $o .= '<label for="fb_sync_comments">' . t('Synchronize comments (no comments on Facebook are missed, at the cost of increased system load)') . '</label><input name="sync_comments" id="fb_sync_comments" type="checkbox" ' . ($sync_comments ? 'checked' : '') . '><br style="clear: both;">';
726 $o .= '<input type="submit" name="fb_save_keys" value="' . t('Save') . '">';
728 if ($working_connection) {
729 $o .= '<h4>' . t('Real-Time Updates') . '</h4>';
731 $activated = facebook_check_realtime_active();
733 $o .= t('Real-Time Updates are activated.') . '<br><br>';
734 $o .= '<input type="submit" name="real_time_deactivate" value="' . t('Deactivate Real-Time Updates') . '">';
736 $o .= t('Real-Time Updates not activated.') . '<br><input type="submit" name="real_time_activate" value="' . t('Activate Real-Time Updates') . '">';
745 function facebook_plugin_admin_post(&$a){
746 check_form_security_token_redirectOnErr('/admin/plugins/facebook', 'fbsave');
748 if (x($_REQUEST,'fb_save_keys')) {
749 set_config('facebook', 'appid', $_REQUEST['appid']);
750 set_config('facebook', 'appsecret', $_REQUEST['appsecret']);
751 $poll_interval = IntVal($_REQUEST['poll_interval']);
752 if ($poll_interval >= FACEBOOK_MIN_POLL_INTERVAL) set_config('facebook', 'poll_interval', $poll_interval);
753 set_config('facebook', 'sync_comments', (x($_REQUEST, 'sync_comments') ? 1 : 0));
754 del_config('facebook', 'app_access_token');
755 info(t('The new values have been saved.'));
757 if (x($_REQUEST,'real_time_activate')) {
758 facebook_subscription_add_users();
760 if (x($_REQUEST,'real_time_deactivate')) {
761 facebook_subscription_del_users();
770 function facebook_jot_nets(&$a,&$b) {
774 $fb_post = get_pconfig(local_user(),'facebook','post');
775 if(intval($fb_post) == 1) {
776 $fb_defpost = get_pconfig(local_user(),'facebook','post_by_default');
777 $selected = ((intval($fb_defpost) == 1) ? ' checked="checked" ' : '');
778 $b .= '<div class="profile-jot-net"><input type="checkbox" name="facebook_enable"' . $selected . ' value="1" /> '
779 . t('Post to Facebook') . '</div>';
789 function facebook_post_hook(&$a,&$b) {
792 if($b['deleted'] || ($b['created'] !== $b['edited']))
796 * Post to Facebook stream
799 require_once('include/group.php');
800 require_once('include/html2plain.php');
802 logger('Facebook post');
808 $allow_arr = array();
810 $toplevel = (($b['id'] == $b['parent']) ? true : false);
813 $linking = ((get_pconfig($b['uid'],'facebook','no_linking')) ? 0 : 1);
815 if((! $toplevel) && ($linking)) {
816 $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
817 intval($b['parent']),
820 if(count($r) && substr($r[0]['uri'],0,4) === 'fb::')
821 $reply = substr($r[0]['uri'],4);
822 elseif(count($r) && substr($r[0]['extid'],0,4) === 'fb::')
823 $reply = substr($r[0]['extid'],4);
827 $u = q("SELECT * FROM user where uid = %d limit 1",
833 // only accept comments from the item owner. Other contacts are unknown to FB.
835 if(! link_compare($b['author-link'], $a->get_baseurl() . '/profile/' . $u[0]['nickname']))
839 logger('facebook reply id=' . $reply);
842 if(strstr($b['postopts'],'facebook') || ($b['private']) || ($reply)) {
844 if($b['private'] && $reply === false) {
845 $allow_people = expand_acl($b['allow_cid']);
846 $allow_groups = expand_groups(expand_acl($b['allow_gid']));
847 $deny_people = expand_acl($b['deny_cid']);
848 $deny_groups = expand_groups(expand_acl($b['deny_gid']));
850 $recipients = array_unique(array_merge($allow_people,$allow_groups));
851 $deny = array_unique(array_merge($deny_people,$deny_groups));
853 $allow_str = dbesc(implode(', ',$recipients));
855 $r = q("SELECT `notify` FROM `contact` WHERE `id` IN ( $allow_str ) AND `network` = 'face'");
858 $allow_arr[] = $rr['notify'];
861 $deny_str = dbesc(implode(', ',$deny));
863 $r = q("SELECT `notify` FROM `contact` WHERE `id` IN ( $deny_str ) AND `network` = 'face'");
866 $deny_arr[] = $rr['notify'];
869 if(count($deny_arr) && (! count($allow_arr))) {
871 // One or more FB folks were denied access but nobody on FB was specifically allowed access.
872 // This might cause the post to be open to public on Facebook, but only to selected members
873 // on another network. Since this could potentially leak a post to somebody who was denied,
874 // we will skip posting it to Facebook with a slightly vague but relevant message that will
875 // hopefully lead somebody to this code comment for a better explanation of what went wrong.
877 notice( t('Post to Facebook cancelled because of multi-network access permission conflict.') . EOL);
882 // if it's a private message but no Facebook members are allowed or denied, skip Facebook post
884 if((! count($allow_arr)) && (! count($deny_arr)))
888 if($b['verb'] == ACTIVITY_LIKE)
892 $appid = get_config('facebook', 'appid' );
893 $secret = get_config('facebook', 'appsecret' );
895 if($appid && $secret) {
897 logger('facebook: have appid+secret');
899 $fb_token = get_pconfig($b['uid'],'facebook','access_token');
902 // post to facebook if it's a public post and we've ticked the 'post to Facebook' box,
903 // or it's a private message with facebook participants
904 // or it's a reply or likes action to an existing facebook post
906 if($fb_token && ($toplevel || $b['private'] || $reply)) {
907 logger('facebook: able to post');
908 require_once('library/facebook.php');
909 require_once('include/bbcode.php');
913 logger('Facebook post: original msg=' . $msg, LOGGER_DATA);
915 // make links readable before we strip the code
917 // unless it's a dislike - just send the text as a comment
919 // if($b['verb'] == ACTIVITY_DISLIKE)
920 // $msg = trim(strip_tags(bbcode($msg)));
923 /*$search_str = $a->get_baseurl() . '/search';
925 if(preg_match("/\[url=(.*?)\](.*?)\[\/url\]/is",$msg,$matches)) {
927 // don't use hashtags for message link
929 if(strpos($matches[2],$search_str) === false) {
931 if(substr($matches[2],0,5) != '[img]')
932 $linkname = $matches[2];
936 // strip tag links to avoid link clutter, this really should be
937 // configurable because we're losing information
939 $msg = preg_replace("/\#\[url=(.*?)\](.*?)\[\/url\]/is",'#$2',$msg);
941 // provide the link separately for normal links
942 $msg = preg_replace("/\[url=(.*?)\](.*?)\[\/url\]/is",'$2 $1',$msg);
944 if(preg_match("/\[img\](.*?)\[\/img\]/is",$msg,$matches))
945 $image = $matches[1];
947 $msg = preg_replace("/\[img\](.*?)\[\/img\]/is", t('Image: ') . '$1', $msg);
949 if((strpos($link,z_root()) !== false) && (! $image))
950 $image = $a->get_baseurl() . '/images/friendica-64.jpg';
952 $msg = trim(strip_tags(bbcode($msg)));*/
956 // Looking for the first image
958 if(preg_match("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/is",$b['body'],$matches))
959 $image = $matches[3];
962 if(preg_match("/\[img\](.*?)\[\/img\]/is",$b['body'],$matches))
963 $image = $matches[1];
965 // Checking for a bookmark element
967 if (strpos($body, "[bookmark") !== false) {
968 // splitting the text in two parts:
969 // before and after the bookmark
970 $pos = strpos($body, "[bookmark");
971 $body1 = substr($body, 0, $pos);
972 $body2 = substr($body, $pos);
974 // Removing the bookmark and all quotes after the bookmark
975 // they are mostly only the content after the bookmark.
976 $body2 = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'',$body2);
977 $body2 = preg_replace("/\[quote\=([^\]]*)\](.*?)\[\/quote\]/ism",'',$body2);
978 $body2 = preg_replace("/\[quote\](.*?)\[\/quote\]/ism",'',$body2);
980 $body = $body1.$body2;
983 // At first convert the text to html
984 $html = bbcode($body);
986 // Then convert it to plain text
987 $msg = trim($b['title']." \n\n".html2plain($html, 0, true));
988 $msg = html_entity_decode($msg,ENT_QUOTES,'UTF-8');
990 // Removing multiple newlines
991 while (strpos($msg, "\n\n\n") !== false)
992 $msg = str_replace("\n\n\n", "\n\n", $msg);
994 // add any attachments as text urls
995 $arr = explode(',',$b['attach']);
999 foreach($arr as $r) {
1001 $cnt = preg_match('|\[attach\]href=\"(.*?)\" size=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"\[\/attach\]|',$r,$matches);
1003 $msg .= "\n".$matches[1];
1010 // look for bookmark-bbcode and handle it with priority
1011 if(preg_match("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/is",$b['body'],$matches)) {
1012 $link = $matches[1];
1013 $linkname = $matches[2];
1016 // If there is no bookmark element then take the first link
1018 $links = collecturls($html);
1019 if (sizeof($links) > 0) {
1021 $link = current($links);
1025 // Remove trailing and leading spaces
1028 // Since facebook increased the maxpostlen massively this never should happen again :)
1029 if (strlen($msg) > FACEBOOK_MAXPOSTLEN) {
1030 require_once('library/slinky.php');
1032 $display_url = $b['plink'];
1034 $slinky = new Slinky( $display_url );
1035 // setup a cascade of shortening services
1036 // try to get a short link from these services
1037 // in the order ur1.ca, trim, id.gd, tinyurl
1038 $slinky->set_cascade( array( new Slinky_UR1ca(), new Slinky_Trim(), new Slinky_IsGd(), new Slinky_TinyURL() ) );
1039 $shortlink = $slinky->short();
1040 // the new message will be shortened such that "... $shortlink"
1041 // will fit into the character limit
1042 $msg = substr($msg, 0, FACEBOOK_MAXPOSTLEN - strlen($shortlink) - 4);
1043 $msg .= '... ' . $shortlink;
1046 // Fallback - if message is empty
1056 // If there is nothing to post then exit
1060 logger('Facebook post: msg=' . $msg, LOGGER_DATA);
1063 $postvars = array('access_token' => $fb_token);
1067 'access_token' => $fb_token,
1071 $postvars['picture'] = $image;
1072 //$postvars['type'] = "photo";
1075 $postvars['link'] = $link;
1076 //$postvars['type'] = "link";
1078 if(isset($linkname))
1079 $postvars['name'] = $linkname;
1082 if(($b['private']) && ($toplevel)) {
1083 $postvars['privacy'] = '{"value": "CUSTOM", "friends": "SOME_FRIENDS"';
1084 if(count($allow_arr))
1085 $postvars['privacy'] .= ',"allow": "' . implode(',',$allow_arr) . '"';
1086 if(count($deny_arr))
1087 $postvars['privacy'] .= ',"deny": "' . implode(',',$deny_arr) . '"';
1088 $postvars['privacy'] .= '}';
1093 $url = 'https://graph.facebook.com/' . $reply . '/' . (($likes) ? 'likes' : 'comments');
1094 } else if (($link != "") or ($image != "") or ($b['title'] == '') or (strlen($msg) < 500)) {
1095 $url = 'https://graph.facebook.com/me/feed';
1097 $postvars['actions'] = '{"name": "' . t('View on Friendica') . '", "link": "' . $b['plink'] . '"}';
1099 // if its only a message and a subject and the message is larger than 500 characters then post it as note
1101 'access_token' => $fb_token,
1102 'message' => bbcode($b['body']),
1103 'subject' => $b['title'],
1105 $url = 'https://graph.facebook.com/me/notes';
1108 logger('facebook: post to ' . $url);
1109 logger('facebook: postvars: ' . print_r($postvars,true));
1111 // "test_mode" prevents anything from actually being posted.
1112 // Otherwise, let's do it.
1114 if(! get_config('facebook','test_mode')) {
1115 $x = post_url($url, $postvars);
1116 logger('Facebook post returns: ' . $x, LOGGER_DEBUG);
1118 $retj = json_decode($x);
1120 q("UPDATE `item` SET `extid` = '%s' WHERE `id` = %d LIMIT 1",
1121 dbesc('fb::' . $retj->id),
1127 $s = serialize(array('url' => $url, 'item' => $b['id'], 'post' => $postvars));
1128 require_once('include/queue_fn.php');
1129 add_to_queue($a->contact,NETWORK_FACEBOOK,$s);
1130 notice( t('Facebook post failed. Queued for retry.') . EOL);
1133 if (isset($retj->error) && $retj->error->type == "OAuthException" && $retj->error->code == 190) {
1134 logger('Facebook session has expired due to changed password.', LOGGER_DEBUG);
1136 $last_notification = get_pconfig($b['uid'], 'facebook', 'session_expired_mailsent');
1137 if (!$last_notification || $last_notification < (time() - FACEBOOK_SESSION_ERR_NOTIFICATION_INTERVAL)) {
1138 require_once('include/enotify.php');
1140 $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1", intval($b['uid']) );
1143 'type' => NOTIFY_SYSTEM,
1144 'system_type' => 'facebook_connection_invalid',
1145 'language' => $r[0]['language'],
1146 'to_name' => $r[0]['username'],
1147 'to_email' => $r[0]['email'],
1148 'source_name' => t('Administrator'),
1149 'source_link' => $a->config["system"]["url"],
1150 'source_photo' => $a->config["system"]["url"] . '/images/person-80.jpg',
1153 set_pconfig($b['uid'], 'facebook', 'session_expired_mailsent', time());
1154 } else logger('Facebook: No notification, as the last one was sent on ' . $last_notification, LOGGER_DEBUG);
1165 * @param object $data
1167 function facebook_enotify(&$app, &$data) {
1168 if (x($data, 'params') && $data['params']['type'] == NOTIFY_SYSTEM && x($data['params'], 'system_type') && $data['params']['system_type'] == 'facebook_connection_invalid') {
1169 $data['itemlink'] = '/facebook';
1170 $data['epreamble'] = $data['preamble'] = t('Your Facebook connection became invalid. Please Re-authenticate.');
1171 $data['subject'] = t('Facebook connection became invalid');
1172 $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=" . $app->config["system"]["url"] . "/facebook]", "[/url]");
1180 function facebook_post_local(&$a,&$b) {
1182 // Figure out if Facebook posting is enabled for this post and file it in 'postopts'
1183 // where we will discover it during background delivery.
1185 // This can only be triggered by a local user posting to their own wall.
1187 if((local_user()) && (local_user() == $b['uid'])) {
1189 $fb_post = intval(get_pconfig(local_user(),'facebook','post'));
1190 $fb_enable = (($fb_post && x($_REQUEST,'facebook_enable')) ? intval($_REQUEST['facebook_enable']) : 0);
1192 // if API is used, default to the chosen settings
1193 if($_REQUEST['api_source'] && intval(get_pconfig(local_user(),'facebook','post_by_default')))
1199 if(strlen($b['postopts']))
1200 $b['postopts'] .= ',';
1201 $b['postopts'] .= 'facebook';
1210 function fb_queue_hook(&$a,&$b) {
1212 $qi = q("SELECT * FROM `queue` WHERE `network` = '%s'",
1213 dbesc(NETWORK_FACEBOOK)
1218 require_once('include/queue_fn.php');
1220 foreach($qi as $x) {
1221 if($x['network'] !== NETWORK_FACEBOOK)
1224 logger('facebook_queue: run');
1226 $r = q("SELECT `user`.* FROM `user` LEFT JOIN `contact` on `contact`.`uid` = `user`.`uid`
1227 WHERE `contact`.`self` = 1 AND `contact`.`id` = %d LIMIT 1",
1235 $appid = get_config('facebook', 'appid' );
1236 $secret = get_config('facebook', 'appsecret' );
1238 if($appid && $secret) {
1239 $fb_post = intval(get_pconfig($user['uid'],'facebook','post'));
1240 $fb_token = get_pconfig($user['uid'],'facebook','access_token');
1242 if($fb_post && $fb_token) {
1243 logger('facebook_queue: able to post');
1244 require_once('library/facebook.php');
1246 $z = unserialize($x['content']);
1248 $j = post_url($z['url'],$z['post']);
1250 $retj = json_decode($j);
1252 q("UPDATE `item` SET `extid` = '%s' WHERE `id` = %d LIMIT 1",
1253 dbesc('fb::' . $retj->id),
1256 logger('facebook_queue: success: ' . $j);
1257 remove_queue_item($x['id']);
1260 logger('facebook_queue: failed: ' . $j);
1261 update_queue_time($x['id']);
1269 * @param string $access_token
1273 function fb_get_timeline($access_token, &$since) {
1275 $entries = new stdClass();
1276 $entries->data = array();
1279 $url = 'https://graph.facebook.com/me/home?access_token='.$access_token;
1282 $url .= "&since=".$since;
1285 $s = fetch_url($url);
1286 $j = json_decode($s);
1287 $oldestdate = time();
1288 if (isset($j->data))
1289 foreach ($j->data as $entry) {
1290 $created = strtotime($entry->created_time);
1292 if ($newest < $created)
1295 if ($created >= $since)
1296 $entries->data[] = $entry;
1298 if ($created <= $oldestdate)
1299 $oldestdate = $created;
1304 $url = (isset($j->paging) && isset($j->paging->next) ? $j->paging->next : '');
1306 } while (($oldestdate > $since) and ($since != 0) and ($url != ''));
1308 if ($newest > $since)
1317 function fb_consume_all($uid) {
1319 require_once('include/items.php');
1321 $access_token = get_pconfig($uid,'facebook','access_token');
1325 if(! get_pconfig($uid,'facebook','no_wall')) {
1326 $private_wall = intval(get_pconfig($uid,'facebook','private_wall'));
1327 $s = fetch_url('https://graph.facebook.com/me/feed?access_token=' . $access_token);
1329 $j = json_decode($s);
1330 if (isset($j->data)) {
1331 logger('fb_consume_stream: wall: ' . print_r($j,true), LOGGER_DATA);
1332 fb_consume_stream($uid,$j,($private_wall) ? false : true);
1334 logger('fb_consume_stream: wall: got no data from Facebook: ' . print_r($j,true), LOGGER_NORMAL);
1338 // Get the last date
1339 $lastdate = get_pconfig($uid,'facebook','lastdate');
1340 // fetch all items since the last date
1341 $j = fb_get_timeline($access_token, $lastdate);
1342 if (isset($j->data)) {
1343 logger('fb_consume_stream: feed: ' . print_r($j,true), LOGGER_DATA);
1344 fb_consume_stream($uid,$j,false);
1346 // Write back the last date
1347 set_pconfig($uid,'facebook','lastdate', $lastdate);
1349 logger('fb_consume_stream: feed: got no data from Facebook: ' . print_r($j,true), LOGGER_NORMAL);
1354 * @param string $link
1357 function fb_get_photo($uid,$link) {
1358 $access_token = get_pconfig($uid,'facebook','access_token');
1359 if(! $access_token || (! stristr($link,'facebook.com/photo.php')))
1361 //return "\n" . '[url=' . $link . ']' . t('link') . '[/url]';
1362 $ret = preg_match('/fbid=([0-9]*)/',$link,$match);
1364 $photo_id = $match[1];
1367 $x = fetch_url('https://graph.facebook.com/' . $photo_id . '?access_token=' . $access_token);
1368 $j = json_decode($x);
1370 return "\n\n" . '[url=' . $link . '][img]' . $j->picture . '[/img][/url]';
1372 // return "\n" . '[url=' . $link . ']' . t('link') . '[/url]';
1379 * @param array $user
1380 * @param array $self
1381 * @param string $fb_id
1383 * @param array $orig_post
1384 * @param object $cmnt
1386 function fb_consume_comment(&$a, &$user, &$self, $fb_id, $wall, &$orig_post, &$cmnt) {
1391 $top_item = $orig_post['id'];
1392 $uid = IntVal($user[0]['uid']);
1394 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND ( `uri` = '%s' OR `extid` = '%s' ) LIMIT 1",
1396 dbesc('fb::' . $cmnt->id),
1397 dbesc('fb::' . $cmnt->id)
1402 $cmntdata = array();
1403 $cmntdata['parent'] = $top_item;
1404 $cmntdata['verb'] = ACTIVITY_POST;
1405 $cmntdata['gravity'] = 6;
1406 $cmntdata['uid'] = $uid;
1407 $cmntdata['wall'] = (($wall) ? 1 : 0);
1408 $cmntdata['uri'] = 'fb::' . $cmnt->id;
1409 $cmntdata['parent-uri'] = $orig_post['uri'];
1410 if($cmnt->from->id == $fb_id) {
1411 $cmntdata['contact-id'] = $self[0]['id'];
1414 $r = q("SELECT * FROM `contact` WHERE `notify` = '%s' AND `uid` = %d LIMIT 1",
1415 dbesc($cmnt->from->id),
1419 $cmntdata['contact-id'] = $r[0]['id'];
1420 if($r[0]['blocked'] || $r[0]['readonly'])
1424 if(! x($cmntdata,'contact-id'))
1425 $cmntdata['contact-id'] = $orig_post['contact-id'];
1427 $cmntdata['app'] = 'facebook';
1428 $cmntdata['created'] = datetime_convert('UTC','UTC',$cmnt->created_time);
1429 $cmntdata['edited'] = datetime_convert('UTC','UTC',$cmnt->created_time);
1430 $cmntdata['verb'] = ACTIVITY_POST;
1431 $cmntdata['author-name'] = $cmnt->from->name;
1432 $cmntdata['author-link'] = 'http://facebook.com/profile.php?id=' . $cmnt->from->id;
1433 $cmntdata['author-avatar'] = 'https://graph.facebook.com/' . $cmnt->from->id . '/picture';
1434 $cmntdata['body'] = $cmnt->message;
1435 $item = item_store($cmntdata);
1437 $myconv = q("SELECT `author-link`, `author-avatar`, `parent` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 AND `deleted` = 0",
1438 dbesc($orig_post['uri']),
1442 if(count($myconv)) {
1443 $importer_url = $a->get_baseurl() . '/profile/' . $user[0]['nickname'];
1445 foreach($myconv as $conv) {
1447 // now if we find a match, it means we're in this conversation
1449 if(! link_compare($conv['author-link'],$importer_url))
1452 require_once('include/enotify.php');
1454 $conv_parent = $conv['parent'];
1457 'type' => NOTIFY_COMMENT,
1458 'notify_flags' => $user[0]['notify-flags'],
1459 'language' => $user[0]['language'],
1460 'to_name' => $user[0]['username'],
1461 'to_email' => $user[0]['email'],
1462 'uid' => $user[0]['uid'],
1463 'item' => $cmntdata,
1464 'link' => $a->get_baseurl() . '/display/' . $user[0]['nickname'] . '/' . $item,
1465 'source_name' => $cmntdata['author-name'],
1466 'source_link' => $cmntdata['author-link'],
1467 'source_photo' => $cmntdata['author-avatar'],
1468 'verb' => ACTIVITY_POST,
1470 'parent' => $conv_parent,
1473 // only send one notification
1482 * @param array $user
1483 * @param array $self
1484 * @param string $fb_id
1486 * @param array $orig_post
1487 * @param object $likes
1489 function fb_consume_like(&$a, &$user, &$self, $fb_id, $wall, &$orig_post, &$likes) {
1491 $top_item = $orig_post['id'];
1492 $uid = IntVal($user[0]['uid']);
1497 // If we posted the like locally, it will be found with our url, not the FB url.
1499 $second_url = (($likes->id == $fb_id) ? $self[0]['url'] : 'http://facebook.com/profile.php?id=' . $likes->id);
1501 $r = q("SELECT * FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `verb` = '%s'
1502 AND ( `author-link` = '%s' OR `author-link` = '%s' ) LIMIT 1",
1503 dbesc($orig_post['uri']),
1505 dbesc(ACTIVITY_LIKE),
1506 dbesc('http://facebook.com/profile.php?id=' . $likes->id),
1513 $likedata = array();
1514 $likedata['parent'] = $top_item;
1515 $likedata['verb'] = ACTIVITY_LIKE;
1516 $likedata['gravity'] = 3;
1517 $likedata['uid'] = $uid;
1518 $likedata['wall'] = (($wall) ? 1 : 0);
1519 $likedata['uri'] = item_new_uri($a->get_baseurl(), $uid);
1520 $likedata['parent-uri'] = $orig_post['uri'];
1521 if($likes->id == $fb_id)
1522 $likedata['contact-id'] = $self[0]['id'];
1524 $r = q("SELECT * FROM `contact` WHERE `notify` = '%s' AND `uid` = %d AND `blocked` = 0 AND `readonly` = 0 LIMIT 1",
1529 $likedata['contact-id'] = $r[0]['id'];
1531 if(! x($likedata,'contact-id'))
1532 $likedata['contact-id'] = $orig_post['contact-id'];
1534 $likedata['app'] = 'facebook';
1535 $likedata['verb'] = ACTIVITY_LIKE;
1536 $likedata['author-name'] = $likes->name;
1537 $likedata['author-link'] = 'http://facebook.com/profile.php?id=' . $likes->id;
1538 $likedata['author-avatar'] = 'https://graph.facebook.com/' . $likes->id . '/picture';
1540 $author = '[url=' . $likedata['author-link'] . ']' . $likedata['author-name'] . '[/url]';
1541 $objauthor = '[url=' . $orig_post['author-link'] . ']' . $orig_post['author-name'] . '[/url]';
1542 $post_type = t('status');
1543 $plink = '[url=' . $orig_post['plink'] . ']' . $post_type . '[/url]';
1544 $likedata['object-type'] = ACTIVITY_OBJ_NOTE;
1546 $likedata['body'] = sprintf( t('%1$s likes %2$s\'s %3$s'), $author, $objauthor, $plink);
1547 $likedata['object'] = '<object><type>' . ACTIVITY_OBJ_NOTE . '</type><local>1</local>' .
1548 '<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>' . $orig_post['body'] . '</content></object>';
1550 item_store($likedata);
1555 * @param array $user
1556 * @param object $entry
1557 * @param array $self
1558 * @param string $fb_id
1560 * @param array $orig_post
1562 function fb_consume_status(&$a, &$user, &$entry, &$self, $fb_id, $wall, &$orig_post) {
1563 $uid = IntVal($user[0]['uid']);
1564 $access_token = get_pconfig($uid, 'facebook', 'access_token');
1566 $s = fetch_url('https://graph.facebook.com/' . $entry->id . '?access_token=' . $access_token);
1568 $j = json_decode($s);
1569 if (isset($j->comments) && isset($j->comments->data))
1570 foreach ($j->comments->data as $cmnt)
1571 fb_consume_comment($a, $user, $self, $fb_id, $wall, $orig_post, $cmnt);
1573 if (isset($j->likes) && isset($j->likes->data) && isset($j->likes->count)) {
1574 if (count($j->likes->data) == $j->likes->count) {
1575 foreach ($j->likes->data as $likers) fb_consume_like($a, $user, $self, $fb_id, $wall, $orig_post, $likers);
1577 $t = fetch_url('https://graph.facebook.com/' . $entry->id . '/likes?access_token=' . $access_token);
1579 $k = json_decode($t);
1580 if (isset($k->data))
1581 foreach ($k->data as $likers)
1582 fb_consume_like($a, $user, $self, $fb_id, $wall, $orig_post, $likers);
1594 function fb_consume_stream($uid,$j,$wall = false) {
1598 $user = q("SELECT * FROM `user` WHERE `uid` = %d AND `account_expired` = 0 LIMIT 1",
1604 // $my_local_url = $a->get_baseurl() . '/profile/' . $user[0]['nickname'];
1606 $no_linking = get_pconfig($uid,'facebook','no_linking');
1610 $self = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
1614 $blocked_apps = get_pconfig($uid,'facebook','blocked_apps');
1615 $blocked_apps_arr = explode(',',$blocked_apps);
1617 $sync_comments = get_config('facebook', 'sync_comments');
1619 /** @var string $self_id */
1620 $self_id = get_pconfig($uid,'facebook','self_id');
1621 if(! count($j->data) || (! strlen($self_id)))
1626 foreach($j->data as $entry) {
1627 logger('fb_consume: entry: ' . print_r($entry,true), LOGGER_DATA);
1628 $datarray = array();
1630 $r = q("SELECT * FROM `item` WHERE ( `uri` = '%s' OR `extid` = '%s') AND `uid` = %d LIMIT 1",
1631 dbesc('fb::' . $entry->id),
1632 dbesc('fb::' . $entry->id),
1637 $top_item = $r[0]['id'];
1644 $datarray['gravity'] = 0;
1645 $datarray['uid'] = $uid;
1646 $datarray['wall'] = (($wall) ? 1 : 0);
1647 $datarray['uri'] = $datarray['parent-uri'] = 'fb::' . $entry->id;
1648 $from = $entry->from;
1649 if($from->id == $self_id)
1650 $datarray['contact-id'] = $self[0]['id'];
1652 // Looking if user is known - if not he is added
1653 $access_token = get_pconfig($uid, 'facebook', 'access_token');
1654 fb_get_friends_sync_new($uid, $access_token, array($from));
1656 $r = q("SELECT * FROM `contact` WHERE `notify` = '%s' AND `uid` = %d AND `blocked` = 0 AND `readonly` = 0 LIMIT 1",
1661 $datarray['contact-id'] = $r[0]['id'];
1664 // don't store post if we don't have a contact
1665 if(! x($datarray,'contact-id')) {
1666 logger('facebook: no contact '.$from->name.' '.$from->id.'. post ignored');
1670 $datarray['verb'] = ACTIVITY_POST;
1672 $datarray['owner-name'] = $self[0]['name'];
1673 $datarray['owner-link'] = $self[0]['url'];
1674 $datarray['owner-avatar'] = $self[0]['thumb'];
1676 if(isset($entry->application) && isset($entry->application->name) && strlen($entry->application->name))
1677 $datarray['app'] = strip_tags($entry->application->name);
1679 $datarray['app'] = 'facebook';
1681 $found_blocked = false;
1683 if(count($blocked_apps_arr)) {
1684 foreach($blocked_apps_arr as $bad_appl) {
1685 if(strlen(trim($bad_appl)) && (stristr($datarray['app'],trim($bad_appl)))) {
1686 $found_blocked = true;
1691 if($found_blocked) {
1692 logger('facebook: blocking application: ' . $datarray['app']);
1696 $datarray['author-name'] = $from->name;
1697 $datarray['author-link'] = 'http://facebook.com/profile.php?id=' . $from->id;
1698 $datarray['author-avatar'] = 'https://graph.facebook.com/' . $from->id . '/picture';
1699 $datarray['plink'] = $datarray['author-link'] . '&v=wall&story_fbid=' . substr($entry->id,strpos($entry->id,'_') + 1);
1701 logger('facebook: post '.$entry->id.' from '.$from->name);
1703 $datarray['body'] = (isset($entry->message) ? escape_tags($entry->message) : '');
1705 if(isset($entry->name) and isset($entry->link))
1706 $datarray['body'] .= "\n\n[bookmark=".$entry->link."]".$entry->name."[/bookmark]";
1707 elseif (isset($entry->name))
1708 $datarray['body'] .= "\n\n[b]" . $entry->name."[/b]";
1710 if(isset($entry->caption)) {
1711 if(!isset($entry->name) and isset($entry->link))
1712 $datarray['body'] .= "\n\n[bookmark=".$entry->link."]".$entry->caption."[/bookmark]";
1714 $datarray['body'] .= "[i]" . $entry->caption."[/i]\n";
1717 if(!isset($entry->caption) and !isset($entry->name)) {
1718 if (isset($entry->link))
1719 $datarray['body'] .= "\n[url]".$entry->link."[/url]\n";
1721 $datarray['body'] .= "\n";
1725 if(isset($entry->description))
1726 $quote = $entry->description;
1728 if (isset($entry->properties))
1729 foreach ($entry->properties as $property)
1730 $quote .= "\n".$property->name.": [url=".$property->href."]".$property->text."[/url]";
1733 $datarray['body'] .= "\n[quote]".$quote."[/quote]";
1735 // Only import the picture when the message is no video
1736 // oembed display a picture of the video as well
1737 if ($entry->type != "video") {
1738 if(isset($entry->picture) && isset($entry->link)) {
1739 $datarray['body'] .= "\n" . '[url=' . $entry->link . '][img]'.$entry->picture.'[/img][/url]';
1742 if(isset($entry->picture))
1743 $datarray['body'] .= "\n" . '[img]' . $entry->picture . '[/img]';
1744 // if just a link, it may be a wall photo - check
1745 if(isset($entry->link))
1746 $datarray['body'] .= fb_get_photo($uid,$entry->link);
1750 if (($datarray['app'] == "Events") and isset($entry->actions))
1751 foreach ($entry->actions as $action)
1752 if ($action->name == "View")
1753 $datarray['body'] .= " [url=".$action->link."]".$entry->story."[/url]";
1755 // Just as a test - to see if these are the missing entries
1756 //if(trim($datarray['body']) == '')
1757 // $datarray['body'] = $entry->story;
1759 // Adding the "story" text to see if there are useful data in it (testing)
1760 //if (($datarray['app'] != "Events") and $entry->story)
1761 // $datarray['body'] .= "\n".$entry->story;
1763 if(trim($datarray['body']) == '') {
1764 logger('facebook: empty body '.$entry->id.' '.print_r($entry, true));
1768 $datarray['body'] .= "\n";
1770 if (isset($entry->icon))
1771 $datarray['body'] .= "[img]".$entry->icon."[/img] ";
1773 if (isset($entry->actions))
1774 foreach ($entry->actions as $action)
1775 if (($action->name != "Comment") and ($action->name != "Like"))
1776 $datarray['body'] .= "[url=".$action->link."]".$action->name."[/url] ";
1778 $datarray['body'] = trim($datarray['body']);
1780 //if(($datarray['body'] != '') and ($uid == 1))
1781 // $datarray['body'] .= "[noparse]".print_r($entry, true)."[/noparse]";
1783 if (isset($entry->place)) {
1784 if ($entry->place->name or $entry->place->location->street or
1785 $entry->place->location->city or $entry->place->location->Denmark) {
1786 $datarray['coord'] = '';
1787 if ($entry->place->name)
1788 $datarray['coord'] .= $entry->place->name;
1789 if ($entry->place->location->street)
1790 $datarray['coord'] .= $entry->place->location->street;
1791 if ($entry->place->location->city)
1792 $datarray['coord'] .= " ".$entry->place->location->city;
1793 if ($entry->place->location->country)
1794 $datarray['coord'] .= " ".$entry->place->location->country;
1795 } else if ($entry->place->location->latitude and $entry->place->location->longitude)
1796 $datarray['coord'] = substr($entry->place->location->latitude, 0, 8)
1797 .' '.substr($entry->place->location->longitude, 0, 8);
1799 $datarray['created'] = datetime_convert('UTC','UTC',$entry->created_time);
1800 $datarray['edited'] = datetime_convert('UTC','UTC',$entry->updated_time);
1802 // If the entry has a privacy policy, we cannot assume who can or cannot see it,
1803 // as the identities are from a foreign system. Mark it as private to the owner.
1805 if(isset($entry->privacy) && $entry->privacy->value !== 'EVERYONE') {
1806 $datarray['private'] = 1;
1807 $datarray['allow_cid'] = '<' . $self[0]['id'] . '>';
1810 $top_item = item_store($datarray);
1811 $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
1817 logger('fb: new top level item posted');
1821 /** @var array $orig_post */
1823 $likers_num = (isset($entry->likes) && isset($entry->likes->count) ? IntVal($entry->likes->count) : 0 );
1824 if(isset($entry->likes) && isset($entry->likes->data))
1825 $likers = $entry->likes->data;
1829 $comments_num = (isset($entry->comments) && isset($entry->comments->count) ? IntVal($entry->comments->count) : 0 );
1830 if(isset($entry->comments) && isset($entry->comments->data))
1831 $comments = $entry->comments->data;
1835 $needs_sync = false;
1837 if(is_array($likers)) {
1838 foreach($likers as $likes) fb_consume_like($a, $user, $self, $self_id, $wall, $orig_post, $likes);
1839 if ($sync_comments) {
1840 $r = q("SELECT COUNT(*) likes FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `verb` = '%s' AND `parent-uri` != `uri`",
1841 dbesc($orig_post['uri']),
1843 dbesc(ACTIVITY_LIKE)
1845 if ($r[0]['likes'] < $likers_num) {
1846 logger('fb_consume_stream: missing likes found for ' . $orig_post['uri'] . ' (we have ' . $r[0]['likes'] . ' of ' . $likers_num . '). Synchronizing...', LOGGER_DEBUG);
1852 if(is_array($comments)) {
1853 foreach($comments as $cmnt) fb_consume_comment($a, $user, $self, $self_id, $wall, $orig_post, $cmnt);
1854 if ($sync_comments) {
1855 $r = q("SELECT COUNT(*) comments FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `verb` = '%s' AND `parent-uri` != `uri`",
1856 dbesc($orig_post['uri']),
1860 if ($r[0]['comments'] < $comments_num) {
1861 logger('fb_consume_stream: missing comments found for ' . $orig_post['uri'] . ' (we have ' . $r[0]['comments'] . ' of ' . $comments_num . '). Synchronizing...', LOGGER_DEBUG);
1867 if ($needs_sync) fb_consume_status($a, $user, $entry, $self, $self_id, $wall, $orig_post);
1873 * @return bool|string
1875 function fb_get_app_access_token() {
1877 $acc_token = get_config('facebook','app_access_token');
1879 if ($acc_token !== false) return $acc_token;
1881 $appid = get_config('facebook','appid');
1882 $appsecret = get_config('facebook', 'appsecret');
1884 if ($appid === false || $appsecret === false) {
1885 logger('fb_get_app_access_token: appid and/or appsecret not set', LOGGER_DEBUG);
1888 logger('https://graph.facebook.com/oauth/access_token?client_id=' . $appid . '&client_secret=' . $appsecret . '&grant_type=client_credentials', LOGGER_DATA);
1889 $x = fetch_url('https://graph.facebook.com/oauth/access_token?client_id=' . $appid . '&client_secret=' . $appsecret . '&grant_type=client_credentials');
1891 if(strpos($x,'access_token=') !== false) {
1892 logger('fb_get_app_access_token: returned access token: ' . $x, LOGGER_DATA);
1894 $token = str_replace('access_token=', '', $x);
1895 if(strpos($token,'&') !== false)
1896 $token = substr($token,0,strpos($token,'&'));
1899 logger('fb_get_app_access_token: empty token: ' . $x, LOGGER_DEBUG);
1902 set_config('facebook','app_access_token',$token);
1905 logger('fb_get_app_access_token: response did not contain an access_token: ' . $x, LOGGER_DATA);
1910 function facebook_subscription_del_users() {
1912 $access_token = fb_get_app_access_token();
1914 $url = "https://graph.facebook.com/" . get_config('facebook', 'appid' ) . "/subscriptions?access_token=" . $access_token;
1915 facebook_delete_url($url);
1917 if (!facebook_check_realtime_active()) del_config('facebook', 'realtime_active');
1921 * @param bool $second_try
1923 function facebook_subscription_add_users($second_try = false) {
1925 $access_token = fb_get_app_access_token();
1927 $url = "https://graph.facebook.com/" . get_config('facebook', 'appid' ) . "/subscriptions?access_token=" . $access_token;
1929 list($usec, $sec) = explode(" ", microtime());
1930 $verify_token = sha1($usec . $sec . rand(0, 999999999));
1931 set_config('facebook', 'cb_verify_token', $verify_token);
1933 $cb = $a->get_baseurl() . '/facebook/?realtime_cb=1';
1935 $j = post_url($url,array(
1937 "fields" => "feed,friends",
1938 "callback_url" => $cb,
1939 "verify_token" => $verify_token,
1941 del_config('facebook', 'cb_verify_token');
1944 $x = json_decode($j);
1945 logger("Facebook reponse: " . $j, LOGGER_DATA);
1946 if (isset($x->error)) {
1947 logger('facebook_subscription_add_users: got an error: ' . $j);
1948 if ($x->error->type == "OAuthException" && $x->error->code == 190) {
1949 del_config('facebook', 'app_access_token');
1950 if ($second_try === false) facebook_subscription_add_users(true);
1953 logger('facebook_subscription_add_users: sucessful');
1954 if (facebook_check_realtime_active()) set_config('facebook', 'realtime_active', 1);
1960 * @return null|array
1962 function facebook_subscriptions_get() {
1964 $access_token = fb_get_app_access_token();
1965 if (!$access_token) return null;
1967 $url = "https://graph.facebook.com/" . get_config('facebook', 'appid' ) . "/subscriptions?access_token=" . $access_token;
1968 $j = fetch_url($url);
1971 $x = json_decode($j);
1972 if (isset($x->data)) $ret = $x->data;
1981 function facebook_check_realtime_active() {
1982 $ret = facebook_subscriptions_get();
1983 if (is_null($ret)) return false;
1984 if (is_array($ret)) foreach ($ret as $re) if (is_object($re) && $re->object == "user") return true;
1991 // DELETE-request to $url
1993 if(! function_exists('facebook_delete_url')) {
1995 * @param string $url
1996 * @param null|array $headers
1997 * @param int $redirects
1998 * @param int $timeout
1999 * @return bool|string
2001 function facebook_delete_url($url,$headers = null, &$redirects = 0, $timeout = 0) {
2003 $ch = curl_init($url);
2004 if(($redirects > 8) || (! $ch))
2007 curl_setopt($ch, CURLOPT_HEADER, true);
2008 curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
2009 curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "DELETE");
2010 curl_setopt($ch, CURLOPT_USERAGENT, "Friendica");
2012 if(intval($timeout)) {
2013 curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
2016 $curl_time = intval(get_config('system','curl_timeout'));
2017 curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
2020 if(defined('LIGHTTPD')) {
2021 if(!is_array($headers)) {
2022 $headers = array('Expect:');
2024 if(!in_array('Expect:', $headers)) {
2025 array_push($headers, 'Expect:');
2030 curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
2032 $check_cert = get_config('system','verifyssl');
2033 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
2034 $prx = get_config('system','proxy');
2036 curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
2037 curl_setopt($ch, CURLOPT_PROXY, $prx);
2038 $prxusr = get_config('system','proxyuser');
2040 curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
2043 $a->set_curl_code(0);
2045 // don't let curl abort the entire application
2046 // if it throws any errors.
2048 $s = @curl_exec($ch);
2051 $curl_info = curl_getinfo($ch);
2052 $http_code = $curl_info['http_code'];
2056 // Pull out multiple headers, e.g. proxy and continuation headers
2057 // allow for HTTP/2.x without fixing code
2059 while(preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/',$base)) {
2060 $chunk = substr($base,0,strpos($base,"\r\n\r\n")+4);
2062 $base = substr($base,strlen($chunk));
2065 if($http_code == 301 || $http_code == 302 || $http_code == 303) {
2067 preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
2068 $url = trim(array_pop($matches));
2069 $url_parsed = @parse_url($url);
2070 if (isset($url_parsed)) {
2072 return facebook_delete_url($url,$headers,$redirects,$timeout);
2075 $a->set_curl_code($http_code);
2076 $body = substr($s,strlen($header));
2078 $a->set_curl_headers($header);