--- /dev/null
+<?php
+/**
+ * Name: Facebook Post Connector
+ * Version: 1.3
+ * Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
+ * Author: Tobias Hößl <https://github.com/CatoTH/>
+ *
+ */
+
+/**
+ * Installing the Friendica/Facebook connector
+ *
+ * Detailed instructions how to use this plugin can be found at
+ * https://github.com/friendica/friendica/wiki/How-to:-Friendica%E2%80%99s-Facebook-connector
+ *
+ * Vidoes and embeds will not be posted if there is no other content. Links
+ * and images will be converted to a format suitable for the Facebook API and
+ * long posts truncated - with a link to view the full post.
+ *
+ * Facebook contacts will not be able to view private photos, as they are not able to
+ * authenticate to your site to establish identity. We will address this
+ * in a future release.
+ */
+
+
+require_once('include/security.php');
+
+function fbpost_install() {
+ register_hook('post_local', 'addon/fbpost/fbpost.php', 'fbpost_post_local');
+ register_hook('notifier_normal', 'addon/fbpost/fbpost.php', 'fbpost_post_hook');
+ register_hook('jot_networks', 'addon/fbpost/fbpost.php', 'fbpost_jot_nets');
+ register_hook('connector_settings', 'addon/fbpost/fbpost.php', 'fbpost_plugin_settings');
+ register_hook('enotify', 'addon/fbpost/fbpost.php', 'fbpost_enotify');
+ register_hook('queue_predeliver', 'addon/fbpost/fbpost.php', 'fbpost_queue_hook');
+}
+
+
+function fbpost_uninstall() {
+ unregister_hook('post_local', 'addon/fbpost/fbpost.php', 'fbpost_post_local');
+ unregister_hook('notifier_normal', 'addon/fbpost/fbpost.php', 'fbpost_post_hook');
+ unregister_hook('jot_networks', 'addon/fbpost/fbpost.php', 'fbpost_jot_nets');
+ unregister_hook('connector_settings', 'addon/fbpost/fbpost.php', 'fbpost_plugin_settings');
+ unregister_hook('enotify', 'addon/fbpost/fbpost.php', 'fbpost_enotify');
+ unregister_hook('queue_predeliver', 'addon/fbpost/fbpost.php', 'fbpost_queue_hook');
+
+
+}
+
+
+/* declare the fbpost_module function so that /fbpost url requests will land here */
+
+function fbpost_module() {}
+
+
+
+// If a->argv[1] is a nickname, this is a callback from Facebook oauth requests.
+// If $_REQUEST["realtime_cb"] is set, this is a callback from the Real-Time Updates API
+
+/**
+ * @param App $a
+ */
+function fbpost_init(&$a) {
+
+ if($a->argc != 2)
+ return;
+
+ $nick = $a->argv[1];
+
+ if(strlen($nick))
+ $r = q("SELECT `uid` FROM `user` WHERE `nickname` = '%s' LIMIT 1",
+ dbesc($nick)
+ );
+ if(!(isset($r) && count($r)))
+ return;
+
+ $uid = $r[0]['uid'];
+ $auth_code = (x($_GET, 'code') ? $_GET['code'] : '');
+ $error = (x($_GET, 'error_description') ? $_GET['error_description'] : '');
+
+
+ if($error)
+ logger('fbpost_init: Error: ' . $error);
+
+ if($auth_code && $uid) {
+
+ $appid = get_config('facebook','appid');
+ $appsecret = get_config('facebook', 'appsecret');
+
+ $x = fetch_url('https://graph.facebook.com/oauth/access_token?client_id='
+ . $appid . '&client_secret=' . $appsecret . '&redirect_uri='
+ . urlencode($a->get_baseurl() . '/fbpost/' . $nick)
+ . '&code=' . $auth_code);
+
+ logger('fbpost_init: returned access token: ' . $x, LOGGER_DATA);
+
+ if(strpos($x,'access_token=') !== false) {
+ $token = str_replace('access_token=', '', $x);
+ if(strpos($token,'&') !== false)
+ $token = substr($token,0,strpos($token,'&'));
+ set_pconfig($uid,'facebook','access_token',$token);
+ set_pconfig($uid,'facebook','post','1');
+ fbpost_get_self($uid);
+ }
+
+ }
+
+}
+
+
+/**
+ * @param int $uid
+ */
+function fbpost_get_self($uid) {
+ $access_token = get_pconfig($uid,'facebook','access_token');
+ if(! $access_token)
+ return;
+ $s = fetch_url('https://graph.facebook.com/me/?access_token=' . $access_token);
+ if($s) {
+ $j = json_decode($s);
+ set_pconfig($uid,'facebook','self_id',(string) $j->id);
+ }
+}
+
+
+// This is the POST method to the facebook settings page
+// Content is posted to Facebook in the function facebook_post_hook()
+
+/**
+ * @param App $a
+ */
+function fbpost_post(&$a) {
+
+ $uid = local_user();
+ if($uid){
+
+
+ $fb_limited = get_config('facebook','crestrict');
+
+
+ $value = ((x($_POST,'post_by_default')) ? intval($_POST['post_by_default']) : 0);
+ set_pconfig($uid,'facebook','post_by_default', $value);
+
+
+ info( t('Settings updated.') . EOL);
+ }
+
+ return;
+}
+
+// Facebook settings form
+
+/**
+ * @param App $a
+ * @return string
+ */
+function fbpost_content(&$a) {
+
+ if(! local_user()) {
+ notice( t('Permission denied.') . EOL);
+ return '';
+ }
+
+
+ if(! service_class_allows(local_user(),'facebook_connect')) {
+ notice( t('Permission denied.') . EOL);
+ return upgrade_bool_message();
+ }
+
+
+ if($a->argc > 1 && $a->argv[1] === 'remove') {
+ del_pconfig(local_user(),'facebook','post');
+ info( t('Facebook Post disabled') . EOL);
+ }
+
+ $o = '';
+
+ $fb_installed = false;
+ if (get_pconfig(local_user(),'facebook','post')) {
+ $access_token = get_pconfig(local_user(),'facebook','access_token');
+ if ($access_token) {
+ $s = fetch_url('https://graph.facebook.com/me/feed?access_token=' . $access_token);
+ if($s) {
+ $j = json_decode($s);
+ if (isset($j->data)) $fb_installed = true;
+ }
+ }
+ }
+
+ $appid = get_config('facebook','appid');
+
+ if(! $appid) {
+ notice( t('Facebook API key is missing.') . EOL);
+ return '';
+ }
+
+ $a->page['htmlhead'] .= '<link rel="stylesheet" type="text/css" href="'
+ . $a->get_baseurl() . '/addon/fbpost/fbpost.css' . '" media="all" />' . "\r\n";
+
+ $o .= '<h3>' . t('Facebook Post') . '</h3>';
+
+ if(! $fb_installed) {
+ $o .= '<div id="fbpost-enable-wrapper">';
+
+ $o .= '<a href="https://www.facebook.com/dialog/oauth?client_id=' . $appid . '&redirect_uri='
+ . $a->get_baseurl() . '/fbpost/' . $a->user['nickname'] . '&scope=publish_stream,offline_access">' . t('Install Facebook Post connector for this account.') . '</a>';
+ $o .= '</div>';
+ }
+
+ if($fb_installed) {
+ $o .= '<div id="fbpost-disable-wrapper">';
+
+ $o .= '<a href="' . $a->get_baseurl() . '/fbpost/remove' . '">' . t('Remove Facebook Post connector') . '</a></div>';
+
+ $o .= '<div id="fbpost-enable-wrapper">';
+
+ $o .= '<a href="https://www.facebook.com/dialog/oauth?client_id=' . $appid . '&redirect_uri='
+ . $a->get_baseurl() . '/fbpost/' . $a->user['nickname'] . '&scope=publish_stream,offline_access">' . t('Re-authenticate [This is necessary whenever your Facebook password is changed.]') . '</a>';
+ $o .= '</div>';
+
+ $o .= '<div id="fbpost-post-default-form">';
+ $o .= '<form action="fbpost" method="post" >';
+ $post_by_default = get_pconfig(local_user(),'facebook','post_by_default');
+ $checked = (($post_by_default) ? ' checked="checked" ' : '');
+ $o .= '<input type="checkbox" name="post_by_default" value="1"' . $checked . '/>' . ' ' . t('Post to Facebook by default') . EOL;
+
+ $o .= '<input type="submit" name="submit" value="' . t('Submit') . '" /></form></div>';
+ }
+
+ return $o;
+}
+
+/**
+ * @param App $a
+ * @param null|object $b
+ */
+function fbpost_plugin_settings(&$a,&$b) {
+
+ $b .= '<div class="settings-block">';
+ $b .= '<h3>' . t('Facebook') . '</h3>';
+ $b .= '<a href="fbpost">' . t('Facebook Post Settings') . '</a><br />';
+ $b .= '</div>';
+
+}
+
+
+/**
+ * @param App $a
+ * @param null|object $o
+ */
+function fbpost_plugin_admin(&$a, &$o){
+
+
+ $o = '<input type="hidden" name="form_security_token" value="' . get_form_security_token("fbsave") . '">';
+
+ $o .= '<h4>' . t('Facebook API Key') . '</h4>';
+
+ $appid = get_config('facebook', 'appid' );
+ $appsecret = get_config('facebook', 'appsecret' );
+
+ $ret1 = q("SELECT `v` FROM `config` WHERE `cat` = 'facebook' AND `k` = 'appid' LIMIT 1");
+ $ret2 = q("SELECT `v` FROM `config` WHERE `cat` = 'facebook' AND `k` = 'appsecret' LIMIT 1");
+ if ((count($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>');
+
+ $o .= '<label for="fb_appid">' . t('App-ID / API-Key') . '</label><input id="fb_appid" name="appid" type="text" value="' . escape_tags($appid ? $appid : "") . '"><br style="clear: both;">';
+ $o .= '<label for="fb_appsecret">' . t('Application secret') . '</label><input id="fb_appsecret" name="appsecret" type="text" value="' . escape_tags($appsecret ? $appsecret : "") . '"><br style="clear: both;">';
+
+ $o .= '<input type="submit" name="fb_save_keys" value="' . t('Save') . '">';
+
+}
+
+/**
+ * @param App $a
+ */
+
+function fbpost_plugin_admin_post(&$a){
+ check_form_security_token_redirectOnErr('/admin/plugins/fbpost', 'fbsave');
+
+ if (x($_REQUEST,'fb_save_keys')) {
+ set_config('facebook', 'appid', $_REQUEST['appid']);
+ set_config('facebook', 'appsecret', $_REQUEST['appsecret']);
+
+ info(t('The new values have been saved.'));
+ }
+
+}
+
+/**
+ * @param App $a
+ * @param object $b
+ * @return mixed
+ */
+function fbpost_jot_nets(&$a,&$b) {
+ if(! local_user())
+ return;
+
+ $fb_post = get_pconfig(local_user(),'facebook','post');
+ if(intval($fb_post) == 1) {
+ $fb_defpost = get_pconfig(local_user(),'facebook','post_by_default');
+ $selected = ((intval($fb_defpost) == 1) ? ' checked="checked" ' : '');
+ $b .= '<div class="profile-jot-net"><input type="checkbox" name="facebook_enable"' . $selected . ' value="1" /> '
+ . t('Post to Facebook') . '</div>';
+ }
+}
+
+
+/**
+ * @param App $a
+ * @param object $b
+ * @return mixed
+ */
+function fbpost_post_hook(&$a,&$b) {
+
+
+ if($b['deleted'] || ($b['created'] !== $b['edited']))
+ return;
+
+ /**
+ * Post to Facebook stream
+ */
+
+ require_once('include/group.php');
+ require_once('include/html2plain.php');
+
+ logger('Facebook post');
+
+ $reply = false;
+ $likes = false;
+
+ $deny_arr = array();
+ $allow_arr = array();
+
+ $toplevel = (($b['id'] == $b['parent']) ? true : false);
+
+
+ $linking = ((get_pconfig($b['uid'],'facebook','no_linking')) ? 0 : 1);
+
+ if((! $toplevel) && ($linking)) {
+ $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
+ intval($b['parent']),
+ intval($b['uid'])
+ );
+ if(count($r) && substr($r[0]['uri'],0,4) === 'fb::')
+ $reply = substr($r[0]['uri'],4);
+ elseif(count($r) && substr($r[0]['extid'],0,4) === 'fb::')
+ $reply = substr($r[0]['extid'],4);
+ else
+ return;
+
+ $u = q("SELECT * FROM user where uid = %d limit 1",
+ intval($b['uid'])
+ );
+ if(! count($u))
+ return;
+
+ // only accept comments from the item owner. Other contacts are unknown to FB.
+
+ if(! link_compare($b['author-link'], $a->get_baseurl() . '/profile/' . $u[0]['nickname']))
+ return;
+
+
+ logger('facebook reply id=' . $reply);
+ }
+
+ if(strstr($b['postopts'],'facebook') || ($b['private']) || ($reply)) {
+
+ if($b['private'] && $reply === false) {
+ $allow_people = expand_acl($b['allow_cid']);
+ $allow_groups = expand_groups(expand_acl($b['allow_gid']));
+ $deny_people = expand_acl($b['deny_cid']);
+ $deny_groups = expand_groups(expand_acl($b['deny_gid']));
+
+ $recipients = array_unique(array_merge($allow_people,$allow_groups));
+ $deny = array_unique(array_merge($deny_people,$deny_groups));
+
+ $allow_str = dbesc(implode(', ',$recipients));
+ if($allow_str) {
+ $r = q("SELECT `notify` FROM `contact` WHERE `id` IN ( $allow_str ) AND `network` = 'face'");
+ if(count($r))
+ foreach($r as $rr)
+ $allow_arr[] = $rr['notify'];
+ }
+
+ $deny_str = dbesc(implode(', ',$deny));
+ if($deny_str) {
+ $r = q("SELECT `notify` FROM `contact` WHERE `id` IN ( $deny_str ) AND `network` = 'face'");
+ if(count($r))
+ foreach($r as $rr)
+ $deny_arr[] = $rr['notify'];
+ }
+
+ if(count($deny_arr) && (! count($allow_arr))) {
+
+ // One or more FB folks were denied access but nobody on FB was specifically allowed access.
+ // This might cause the post to be open to public on Facebook, but only to selected members
+ // on another network. Since this could potentially leak a post to somebody who was denied,
+ // we will skip posting it to Facebook with a slightly vague but relevant message that will
+ // hopefully lead somebody to this code comment for a better explanation of what went wrong.
+
+ notice( t('Post to Facebook cancelled because of multi-network access permission conflict.') . EOL);
+ return;
+ }
+
+
+ // if it's a private message but no Facebook members are allowed or denied, skip Facebook post
+
+ if((! count($allow_arr)) && (! count($deny_arr)))
+ return;
+ }
+
+ if($b['verb'] == ACTIVITY_LIKE)
+ $likes = true;
+
+
+ $appid = get_config('facebook', 'appid' );
+ $secret = get_config('facebook', 'appsecret' );
+
+ if($appid && $secret) {
+
+ logger('facebook: have appid+secret');
+
+ $fb_token = get_pconfig($b['uid'],'facebook','access_token');
+
+
+ // post to facebook if it's a public post and we've ticked the 'post to Facebook' box,
+ // or it's a private message with facebook participants
+ // or it's a reply or likes action to an existing facebook post
+
+ if($fb_token && ($toplevel || $b['private'] || $reply)) {
+ logger('facebook: able to post');
+ require_once('library/facebook.php');
+ require_once('include/bbcode.php');
+
+ $msg = $b['body'];
+
+ logger('Facebook post: original msg=' . $msg, LOGGER_DATA);
+
+ // make links readable before we strip the code
+
+ // unless it's a dislike - just send the text as a comment
+
+ // if($b['verb'] == ACTIVITY_DISLIKE)
+ // $msg = trim(strip_tags(bbcode($msg)));
+
+ // Old code
+ /*$search_str = $a->get_baseurl() . '/search';
+
+ if(preg_match("/\[url=(.*?)\](.*?)\[\/url\]/is",$msg,$matches)) {
+
+ // don't use hashtags for message link
+
+ if(strpos($matches[2],$search_str) === false) {
+ $link = $matches[1];
+ if(substr($matches[2],0,5) != '[img]')
+ $linkname = $matches[2];
+ }
+ }
+
+ // strip tag links to avoid link clutter, this really should be
+ // configurable because we're losing information
+
+ $msg = preg_replace("/\#\[url=(.*?)\](.*?)\[\/url\]/is",'#$2',$msg);
+
+ // provide the link separately for normal links
+ $msg = preg_replace("/\[url=(.*?)\](.*?)\[\/url\]/is",'$2 $1',$msg);
+
+ if(preg_match("/\[img\](.*?)\[\/img\]/is",$msg,$matches))
+ $image = $matches[1];
+
+ $msg = preg_replace("/\[img\](.*?)\[\/img\]/is", t('Image: ') . '$1', $msg);
+
+ if((strpos($link,z_root()) !== false) && (! $image))
+ $image = $a->get_baseurl() . '/images/friendica-64.jpg';
+
+ $msg = trim(strip_tags(bbcode($msg)));*/
+
+ // New code
+
+ // Looking for the first image
+ $image = '';
+ if(preg_match("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/is",$b['body'],$matches))
+ $image = $matches[3];
+
+ if ($image == '')
+ if(preg_match("/\[img\](.*?)\[\/img\]/is",$b['body'],$matches))
+ $image = $matches[1];
+
+ // When saved into the database the content is sent through htmlspecialchars
+ // That means that we have to decode all image-urls
+ $image = htmlspecialchars_decode($image);
+
+ // Checking for a bookmark element
+ $body = $b['body'];
+ if (strpos($body, "[bookmark") !== false) {
+ // splitting the text in two parts:
+ // before and after the bookmark
+ $pos = strpos($body, "[bookmark");
+ $body1 = substr($body, 0, $pos);
+ $body2 = substr($body, $pos);
+
+ // Removing the bookmark and all quotes after the bookmark
+ // they are mostly only the content after the bookmark.
+ $body2 = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'',$body2);
+ $body2 = preg_replace("/\[quote\=([^\]]*)\](.*?)\[\/quote\]/ism",'',$body2);
+ $body2 = preg_replace("/\[quote\](.*?)\[\/quote\]/ism",'',$body2);
+
+ $body = $body1.$body2;
+ }
+
+ // At first convert the text to html
+ $html = bbcode($body, false, false);
+
+ // Then convert it to plain text
+ $msg = trim($b['title']." \n\n".html2plain($html, 0, true));
+ $msg = html_entity_decode($msg,ENT_QUOTES,'UTF-8');
+
+ // Removing multiple newlines
+ while (strpos($msg, "\n\n\n") !== false)
+ $msg = str_replace("\n\n\n", "\n\n", $msg);
+
+ // add any attachments as text urls
+ $arr = explode(',',$b['attach']);
+
+ if(count($arr)) {
+ $msg .= "\n";
+ foreach($arr as $r) {
+ $matches = false;
+ $cnt = preg_match('|\[attach\]href=\"(.*?)\" size=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"\[\/attach\]|',$r,$matches);
+ if($cnt) {
+ $msg .= "\n".$matches[1];
+ }
+ }
+ }
+
+ $link = '';
+ $linkname = '';
+ // look for bookmark-bbcode and handle it with priority
+ if(preg_match("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/is",$b['body'],$matches)) {
+ $link = $matches[1];
+ $linkname = $matches[2];
+ }
+
+ // If there is no bookmark element then take the first link
+ if ($link == '') {
+ $links = collecturls($html);
+ if (sizeof($links) > 0) {
+ reset($links);
+ $link = current($links);
+ }
+ }
+
+ // Remove trailing and leading spaces
+ $msg = trim($msg);
+
+
+ // Fallback - if message is empty
+ if(!strlen($msg))
+ $msg = $linkname;
+
+ if(!strlen($msg))
+ $msg = $link;
+
+ if(!strlen($msg))
+ $msg = $image;
+
+ // If there is nothing to post then exit
+ if(!strlen($msg))
+ return;
+
+ logger('Facebook post: msg=' . $msg, LOGGER_DATA);
+
+ if($likes) {
+ $postvars = array('access_token' => $fb_token);
+ }
+ else {
+ // message, picture, link, name, caption, description, source, place, tags
+ $postvars = array(
+ 'access_token' => $fb_token,
+ 'message' => $msg
+ );
+ if(trim($image) != "") {
+ $postvars['picture'] = $image;
+ }
+ if(trim($link) != "") {
+ $postvars['link'] = $link;
+
+ // The following doesn't work - why?
+ if ((stristr($link,'youtube')) || (stristr($link,'youtu.be')) || (stristr($link,'vimeo'))) {
+ $postvars['source'] = $link;
+ }
+ }
+ if(trim($linkname) != "")
+ $postvars['name'] = $linkname;
+ }
+
+ if(($b['private']) && ($toplevel)) {
+ $postvars['privacy'] = '{"value": "CUSTOM", "friends": "SOME_FRIENDS"';
+ if(count($allow_arr))
+ $postvars['privacy'] .= ',"allow": "' . implode(',',$allow_arr) . '"';
+ if(count($deny_arr))
+ $postvars['privacy'] .= ',"deny": "' . implode(',',$deny_arr) . '"';
+ $postvars['privacy'] .= '}';
+
+ }
+
+ if($reply) {
+ $url = 'https://graph.facebook.com/' . $reply . '/' . (($likes) ? 'likes' : 'comments');
+ } else if (($link != "") or ($image != "") or ($b['title'] == '') or (strlen($msg) < 500)) {
+ $url = 'https://graph.facebook.com/me/feed';
+ if($b['plink'])
+ $postvars['actions'] = '{"name": "' . t('View on Friendica') . '", "link": "' . $b['plink'] . '"}';
+ } else {
+ // if its only a message and a subject and the message is larger than 500 characters then post it as note
+ $postvars = array(
+ 'access_token' => $fb_token,
+ 'message' => bbcode($b['body'], false, false),
+ 'subject' => $b['title'],
+ );
+ $url = 'https://graph.facebook.com/me/notes';
+ }
+
+ logger('facebook: post to ' . $url);
+ logger('facebook: postvars: ' . print_r($postvars,true));
+
+ // "test_mode" prevents anything from actually being posted.
+ // Otherwise, let's do it.
+
+ if(! get_config('facebook','test_mode')) {
+ $x = post_url($url, $postvars);
+ logger('Facebook post returns: ' . $x, LOGGER_DEBUG);
+
+ $retj = json_decode($x);
+ if($retj->id) {
+ q("UPDATE `item` SET `extid` = '%s' WHERE `id` = %d LIMIT 1",
+ dbesc('fb::' . $retj->id),
+ intval($b['id'])
+ );
+ }
+ else {
+ if(! $likes) {
+ $s = serialize(array('url' => $url, 'item' => $b['id'], 'post' => $postvars));
+ require_once('include/queue_fn.php');
+ add_to_queue($a->contact,NETWORK_FACEBOOK,$s);
+ notice( t('Facebook post failed. Queued for retry.') . EOL);
+ }
+
+ if (isset($retj->error) && $retj->error->type == "OAuthException" && $retj->error->code == 190) {
+ logger('Facebook session has expired due to changed password.', LOGGER_DEBUG);
+
+ $last_notification = get_pconfig($b['uid'], 'facebook', 'session_expired_mailsent');
+ if (!$last_notification || $last_notification < (time() - FACEBOOK_SESSION_ERR_NOTIFICATION_INTERVAL)) {
+ require_once('include/enotify.php');
+
+ $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1", intval($b['uid']) );
+ notification(array(
+ 'uid' => $b['uid'],
+ 'type' => NOTIFY_SYSTEM,
+ 'system_type' => 'facebook_connection_invalid',
+ 'language' => $r[0]['language'],
+ 'to_name' => $r[0]['username'],
+ 'to_email' => $r[0]['email'],
+ 'source_name' => t('Administrator'),
+ 'source_link' => $a->config["system"]["url"],
+ 'source_photo' => $a->config["system"]["url"] . '/images/person-80.jpg',
+ ));
+
+ set_pconfig($b['uid'], 'facebook', 'session_expired_mailsent', time());
+ } else logger('Facebook: No notification, as the last one was sent on ' . $last_notification, LOGGER_DEBUG);
+ }
+ }
+ }
+ }
+ }
+ }
+}
+
+/**
+ * @param App $app
+ * @param object $data
+ */
+function fbpost_enotify(&$app, &$data) {
+ if (x($data, 'params') && $data['params']['type'] == NOTIFY_SYSTEM && x($data['params'], 'system_type') && $data['params']['system_type'] == 'facebook_connection_invalid') {
+ $data['itemlink'] = '/facebook';
+ $data['epreamble'] = $data['preamble'] = t('Your Facebook connection became invalid. Please Re-authenticate.');
+ $data['subject'] = t('Facebook connection became invalid');
+ $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]");
+ }
+}
+
+/**
+ * @param App $a
+ * @param object $b
+ */
+function fbpost_post_local(&$a,&$b) {
+
+ // Figure out if Facebook posting is enabled for this post and file it in 'postopts'
+ // where we will discover it during background delivery.
+
+ // This can only be triggered by a local user posting to their own wall.
+
+ if((local_user()) && (local_user() == $b['uid'])) {
+
+ $fb_post = intval(get_pconfig(local_user(),'facebook','post'));
+ $fb_enable = (($fb_post && x($_REQUEST,'facebook_enable')) ? intval($_REQUEST['facebook_enable']) : 0);
+
+ // if API is used, default to the chosen settings
+ if($_REQUEST['api_source'] && intval(get_pconfig(local_user(),'facebook','post_by_default')))
+ $fb_enable = 1;
+
+ if(! $fb_enable)
+ return;
+
+ if(strlen($b['postopts']))
+ $b['postopts'] .= ',';
+ $b['postopts'] .= 'facebook';
+ }
+}
+
+
+/**
+ * @param App $a
+ * @param object $b
+ */
+function fbpost_queue_hook(&$a,&$b) {
+
+ $qi = q("SELECT * FROM `queue` WHERE `network` = '%s'",
+ dbesc(NETWORK_FACEBOOK)
+ );
+ if(! count($qi))
+ return;
+
+ require_once('include/queue_fn.php');
+
+ foreach($qi as $x) {
+ if($x['network'] !== NETWORK_FACEBOOK)
+ continue;
+
+ logger('facebook_queue: run');
+
+ $r = q("SELECT `user`.* FROM `user` LEFT JOIN `contact` on `contact`.`uid` = `user`.`uid`
+ WHERE `contact`.`self` = 1 AND `contact`.`id` = %d LIMIT 1",
+ intval($x['cid'])
+ );
+ if(! count($r))
+ continue;
+
+ $user = $r[0];
+
+ $appid = get_config('facebook', 'appid' );
+ $secret = get_config('facebook', 'appsecret' );
+
+ if($appid && $secret) {
+ $fb_post = intval(get_pconfig($user['uid'],'facebook','post'));
+ $fb_token = get_pconfig($user['uid'],'facebook','access_token');
+
+ if($fb_post && $fb_token) {
+ logger('facebook_queue: able to post');
+ require_once('library/facebook.php');
+
+ $z = unserialize($x['content']);
+ $item = $z['item'];
+ $j = post_url($z['url'],$z['post']);
+
+ $retj = json_decode($j);
+ if($retj->id) {
+ q("UPDATE `item` SET `extid` = '%s' WHERE `id` = %d LIMIT 1",
+ dbesc('fb::' . $retj->id),
+ intval($item)
+ );
+ logger('facebook_queue: success: ' . $j);
+ remove_queue_item($x['id']);
+ }
+ else {
+ logger('facebook_queue: failed: ' . $j);
+ update_queue_time($x['id']);
+ }
+ }
+ }
+ }
+}
+
+
+/**
+ * @return bool|string
+ */
+function fbpost_get_app_access_token() {
+
+ $acc_token = get_config('facebook','app_access_token');
+
+ if ($acc_token !== false) return $acc_token;
+
+ $appid = get_config('facebook','appid');
+ $appsecret = get_config('facebook', 'appsecret');
+
+ if ($appid === false || $appsecret === false) {
+ logger('fb_get_app_access_token: appid and/or appsecret not set', LOGGER_DEBUG);
+ return false;
+ }
+ logger('https://graph.facebook.com/oauth/access_token?client_id=' . $appid . '&client_secret=' . $appsecret . '&grant_type=client_credentials', LOGGER_DATA);
+ $x = fetch_url('https://graph.facebook.com/oauth/access_token?client_id=' . $appid . '&client_secret=' . $appsecret . '&grant_type=client_credentials');
+
+ if(strpos($x,'access_token=') !== false) {
+ logger('fb_get_app_access_token: returned access token: ' . $x, LOGGER_DATA);
+
+ $token = str_replace('access_token=', '', $x);
+ if(strpos($token,'&') !== false)
+ $token = substr($token,0,strpos($token,'&'));
+
+ if ($token == "") {
+ logger('fb_get_app_access_token: empty token: ' . $x, LOGGER_DEBUG);
+ return false;
+ }
+ set_config('facebook','app_access_token',$token);
+ return $token;
+ } else {
+ logger('fb_get_app_access_token: response did not contain an access_token: ' . $x, LOGGER_DATA);
+ return false;
+ }
+}
+
projects / friendica-addons.git / commitdiff