<?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); $value = ((x($_POST,'suppress_view_on_friendica')) ? intval($_POST['suppress_view_on_friendica']) : 0); set_pconfig($uid,'facebook','suppress_view_on_friendica', $value); $value = ((x($_POST,'post_to_page')) ? $_POST['post_to_page'] : "0-0"); $values = explode("-", $value); set_pconfig($uid,'facebook','post_to_page', $values[0]); set_pconfig($uid,'facebook','page_access_token', $values[1]); 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,manage_pages,photo_upload,user_groups,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,manage_pages,photo_upload,user_groups,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; $suppress_view_on_friendica = get_pconfig(local_user(),'facebook','suppress_view_on_friendica'); $checked = (($suppress_view_on_friendica) ? ' checked="checked" ' : ''); $o .= '<input type="checkbox" name="suppress_view_on_friendica" value="1"' . $checked . '/>' . ' ' . t('Suppress "View on friendica"') . EOL; // List all pages $post_to_page = get_pconfig(local_user(),'facebook','post_to_page'); $page_access_token = get_pconfig(local_user(),'facebook','page_access_token'); $fb_token = get_pconfig($a->user['uid'],'facebook','access_token'); $url = 'https://graph.facebook.com/me/accounts'; $x = file_get_contents($url."?access_token=".$fb_token); $accounts = json_decode($x); $o .= t("Post to page/group:")."<select name='post_to_page'>"; if (intval($post_to_page) == 0) $o .= "<option value='0-0' selected>".t('None')."</option>"; else $o .= "<option value='0-0'>".t('None')."</option>"; foreach($accounts->data as $account) { if (is_array($account->perms)) if ($post_to_page == $account->id) $o .= "<option value='".$account->id."-".$account->access_token."' selected>".$account->name."</option>"; else $o .= "<option value='".$account->id."-".$account->access_token."'>".$account->name."</option>"; } $url = 'https://graph.facebook.com/me/groups'; $x = file_get_contents($url."?access_token=".$fb_token); $groups = json_decode($x); foreach($groups->data as $group) { if ($post_to_page == $group->id) $o .= "<option value='".$group->id."-0' selected>".$group->name."</option>"; else $o .= "<option value='".$group->id."-0'>".$group->name."</option>"; } $o .= "</select>"; $o .= '<p><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; } // Convert recycle signs $body = str_replace("\t", " ", $body); // recycle 1 $recycle = html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8'); $body = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', "\n\t$2:\t", $body); // recycle 2 (Test) $recycle = html_entity_decode("◌ ", ENT_QUOTES, 'UTF-8'); $body = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', "\n\t$2:\t", $body); $bodyparts = explode("\t", $body); // Doesn't help with multiple repeats - the problem has to be solved later if (sizeof($bodyparts) == 3) { if (trim($bodyparts[0]) == "") $body = trim($bodyparts[2]); else if (trim($bodyparts[2]) == "") $body = trim($bodyparts[0]); else $body = trim($bodyparts[0])."\n\n".trim($bodyparts[1])."[quote]".trim($bodyparts[2])."[/quote]"; //$body = trim(str_replace(array(":\t", "\t"), array(":[quote]", ""), $body))."[/quote]"; } else $body = str_replace("\t", "", $body); // 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 = str_replace("\n«", "«", $msg); // Quickfix - the original problem lies in the html2plain conversion $msg = html_entity_decode($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); $video = ""; if($likes) { $postvars = array('access_token' => $fb_token); } else { // message, picture, link, name, caption, description, source, place, tags if(trim($link) != "") if (@exif_imagetype($link) != 0) { $image = $link; $link = ""; } $postvars = array( 'access_token' => $fb_token, 'message' => $msg ); if(trim($image) != "") $postvars['picture'] = $image; if(trim($link) != "") { $postvars['link'] = $link; if ((stristr($link,'youtube')) || (stristr($link,'youtu.be')) || (stristr($link,'vimeo'))) { $video = $link; } } if(trim($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'] .= '}'; } $post_to_page = get_pconfig($b['uid'],'facebook','post_to_page'); $page_access_token = get_pconfig($b['uid'],'facebook','page_access_token'); if ((intval($post_to_page) != 0) and ($page_access_token != "")) $target = $post_to_page; else $target = "me"; if($reply) { $url = 'https://graph.facebook.com/' . $reply . '/' . (($likes) ? 'likes' : 'comments'); } else if (($video != "") or (($image == "") and ($link != ""))) { // If it is a link to a video or a link without a preview picture then post it as a link if ($video != "") $link = $video; $postvars = array( 'access_token' => $fb_token, 'link' => $link, ); if ($msg != $video) $postvars['message'] = $msg; $url = 'https://graph.facebook.com/'.$target.'/links'; } else if (($link == "") and ($image != "")) { // If it is only an image without a page link then post this image as a photo $postvars = array( 'access_token' => $fb_token, 'url' => $image, ); if ($msg != $image) $postvars['message'] = $msg; $url = 'https://graph.facebook.com/'.$target.'/photos'; } else if (($link != "") or ($image != "") or ($b['title'] == '') or (strlen($msg) < 500)) { $url = 'https://graph.facebook.com/'.$target.'/feed'; if (!get_pconfig($b['uid'],'facebook','suppress_view_on_friendica') and $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'], ); $url = 'https://graph.facebook.com/'.$target.'/notes'; } // Post to page? if (!$reply and ($target != "me") and $page_access_token) $postvars['access_token'] = $page_access_token; 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 // but allow a specific override if($_REQUEST['api_source'] && intval(get_pconfig(local_user(),'facebook','post_by_default'))) { if(! x($_REQUEST,'facebook_enable')) $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; } }