* Author: Tobias Hößl * */ /** * 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. */ define('FACEBOOK_DEFAULT_POLL_INTERVAL', 5); // given in minutes 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'); register_hook('cron', 'addon/fbpost/fbpost.php', 'fbpost_cron'); register_hook('prepare_body', 'addon/fbpost/fbpost.php', 'fbpost_prepare_body'); } 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'); unregister_hook('cron', 'addon/fbpost/fbpost.php', 'fbpost_cron'); unregister_hook('prepare_body', 'addon/fbpost/fbpost.php', 'fbpost_prepare_body'); } /* 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){ $value = ((x($_POST,'post_by_default')) ? intval($_POST['post_by_default']) : 0); set_pconfig($uid,'facebook','post_by_default', $value); $value = ((x($_POST,'mirror_posts')) ? intval($_POST['mirror_posts']) : 0); set_pconfig($uid,'facebook','mirror_posts', $value); if (!$value) del_pconfig($uid,'facebook','last_created'); $value = ((x($_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]); $result = q("SELECT `installed` FROM `addon` WHERE `name` = 'fbsync' AND `installed`"); if (count($result) > 0) { set_pconfig(local_user(),'fbsync','sync',intval($_POST['fbsync'])); set_pconfig(local_user(),'fbsync','create_user',intval($_POST['create_user'])); } 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 && $a->argv[1] === 'remove') { del_pconfig(local_user(),'facebook','post'); info( t('Facebook Post disabled') . EOL); } require_once("mod/settings.php"); settings_init($a); $o = ''; $accounts = array(); $fb_installed = false; if (get_pconfig(local_user(),'facebook','post')) { $access_token = get_pconfig(local_user(),'facebook','access_token'); if ($access_token) { // fetching the list of accounts to check, if facebook is working // The value is needed several lines below. $url = 'https://graph.facebook.com/me/accounts'; $s = fetch_url($url."?access_token=".$access_token, false, $redirects, 10); if($s) { $accounts = json_decode($s); if (isset($accounts->data)) $fb_installed = true; } // I'm not totally sure, if this above will work in every situation, // So this old code will be called as well. if (!$fb_installed) { $url ="https://graph.facebook.com/me/feed"; $s = fetch_url($url."?access_token=".$access_token."&limit=1", false, $redirects, 10); if($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'] .= '' . "\r\n"; $result = q("SELECT `installed` FROM `addon` WHERE `name` = 'fbsync' AND `installed`"); $fbsync = (count($result) > 0); if($fbsync) $title = t('Facebook Import/Export/Mirror'); else $title = t('Facebook Export/Mirror'); $o .= '

'.$title.'

'; if(! $fb_installed) { $o .= '
'; //read_stream,publish_stream,manage_pages,photo_upload,user_groups,offline_access $o .= '' . t('Install Facebook Post connector for this account.') . ''; $o .= '
'; } if($fb_installed) { $o .= '
'; $o .= '' . t('Remove Facebook Post connector') . '
'; $o .= '
'; $o .= '' . t('Re-authenticate [This is necessary whenever your Facebook password is changed.]') . ''; $o .= '
'; $o .= '
'; $o .= '
'; $post_by_default = get_pconfig(local_user(),'facebook','post_by_default'); $checked = (($post_by_default) ? ' checked="checked" ' : ''); $o .= '' . ' ' . 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 .= '' . ' ' . t('Suppress "View on friendica"') . EOL; $mirror_posts = get_pconfig(local_user(),'facebook','mirror_posts'); $checked = (($mirror_posts) ? ' checked="checked" ' : ''); $o .= '' . ' ' . t('Mirror wall posts from facebook to 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 = fetch_url($url."?access_token=".$fb_token, false, $redirects, 10); //$accounts = json_decode($x); $o .= t("Post to page/group:").""; if ($fbsync) { $o .= '
'; $sync_enabled = get_pconfig(local_user(),'fbsync','sync'); $checked = (($sync_enabled) ? ' checked="checked" ' : ''); $o .= '' . ' ' . t('Import Facebook newsfeed.') . EOL; $create_user = get_pconfig(local_user(),'fbsync','create_user'); $checked = (($create_user) ? ' checked="checked" ' : ''); $o .= '' . ' ' . t('Automatically create contacts.') . EOL; } $o .= '

'; } return $o; } /** * @param App $a * @param null|object $b */ function fbpost_plugin_settings(&$a,&$b) { $enabled = get_pconfig(local_user(),'facebook','post'); $css = (($enabled) ? '' : '-disabled'); $result = q("SELECT `installed` FROM `addon` WHERE `name` = 'fbsync' AND `installed`"); if(count($result) > 0) $title = t('Facebook Import/Export/Mirror'); else $title = t('Facebook Export/Mirror'); $b .= '
'; $b .= '

'.$title.'

'; $b .= '
'; } /** * @param App $a * @param null|object $o */ function fbpost_plugin_admin(&$a, &$o){ $o = ''; $o .= '

' . t('Facebook API Key') . '

'; $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.

'); $o .= '
'; $o .= '
'; $o .= ''; } /** * @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 .= '
' . t('Post to Facebook') . '
'; } } /** * @param App $a * @param object $b * @return mixed */ function fbpost_post_hook(&$a,&$b) { logger('fbpost_post_hook: Facebook post invoked', LOGGER_DEBUG); if($b['deleted'] || ($b['created'] !== $b['edited'])) return; logger('fbpost_post_hook: Facebook post first check successful', LOGGER_DEBUG); // if post comes from facebook don't send it back if($b['extid'] == NETWORK_FACEBOOK) return; if(($b['app'] == "Facebook") AND ($b['verb'] != ACTIVITY_LIKE)) return; logger('fbpost_post_hook: Facebook post accepted', LOGGER_DEBUG); /** * Post to Facebook stream */ require_once('include/group.php'); require_once('include/html2plain.php'); $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($b['uid']) ); //$r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", // dbesc($b['parent-uri']), // intval($b['uid']) //); // is it a reply to a facebook post? // A reply to a toplevel post is only allowed for "real" facebook posts 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::') AND ($r[0]['id'] != $r[0]['parent'])) $reply = substr($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('fbpost_post_hook: 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($allow_str) { logger("fbpost_post_hook: private post to: ".$allow_str, LOGGER_DEBUG); $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) { $likes = true; logger('fbpost_post_hook: liking '.print_r($b, true), LOGGER_DEBUG); } $appid = get_config('facebook', 'appid' ); $secret = get_config('facebook', 'appsecret' ); if($appid && $secret) { logger('fbpost_post_hook: 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('fbpost_post_hook: able to post'); require_once('library/facebook.php'); require_once('include/bbcode.php'); $msg = $b['body']; logger('fbpost_post_hook: original msg=' . $msg, LOGGER_DATA); if ($toplevel) { require_once("include/plaintext.php"); $msgarr = plaintext($a, $b, 0, false, 9); $msg = $msgarr["text"]; $link = $msgarr["url"]; $linkname = $msgarr["title"]; if ($msgarr["type"] != "video") $image = $msgarr["image"]; // Fallback - if message is empty if(!strlen($msg)) $msg = $linkname; if(!strlen($msg)) $msg = $link; if(!strlen($msg)) $msg = $image; } else { require_once("include/bbcode.php"); require_once("include/html2plain.php"); $msg = bb_CleanPictureLinks($msg); $msg = bbcode($msg, false, false, 2, true); $msg = trim(html2plain($msg, 0)); $link = ""; $image = ""; $linkname = ""; } // If there is nothing to post then exit if(!strlen($msg)) return; logger('fbpost_post_hook: 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)) { } else { $url = 'https://graph.facebook.com/'.$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('fbpost_post_hook: post to ' . $url); logger('fbpost_post_hook: postvars: ' . print_r($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('fbpost_post_hook: post returns: ' . $x, LOGGER_DEBUG); $retj = json_decode($x); if($retj->id) { // Only set the extid when it isn't the toplevel post q("UPDATE `item` SET `extid` = '%s' WHERE `id` = %d AND `parent` != %d", dbesc('fb::' . $retj->id), intval($b['id']), intval($b['id']) ); } else { // Sometimes posts are accepted from facebook although it telling an error // This leads to endless comment flooding. // If it is a special kind of failure the post was receiced // Although facebook said it wasn't received ... if (!$likes AND (($retj->error->type != "OAuthException") OR ($retj->error->code != 2)) AND ($x <> "")) { $r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `self`", intval($b['uid'])); if (count($r)) $a->contact = $r[0]["id"]; $s = serialize(array('url' => $url, 'item' => $b['id'], 'post' => $postvars)); require_once('include/queue_fn.php'); add_to_queue($a->contact,NETWORK_FACEBOOK,$s); logger('fbpost_post_hook: Post failed, requeued.', LOGGER_DEBUG); notice( t('Facebook post failed. Queued for retry.') . EOL); } if (isset($retj->error) && $retj->error->type == "OAuthException" && $retj->error->code == 190) { logger('fbpost_post_hook: 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('fbpost_post_hook: 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'] = '/fbpost'; $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"] . "/fbpost]", "[/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('fbpost_queue_hook: 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($r)) { logger('fbpost_queue_hook: no user found for entry '.print_r($x, true)); update_queue_time($x['id']); 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('fbpost_queue_hook: 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) { // Only set the extid when it isn't the toplevel post q("UPDATE `item` SET `extid` = '%s' WHERE `id` = %d AND `parent` != %d", dbesc('fb::' . $retj->id), intval($item), intval($item) ); logger('fbpost_queue_hook: success: ' . $j); remove_queue_item($x['id']); } else { logger('fbpost_queue_hook: failed: ' . $j); // If it is a special kind of failure the post was receiced // Although facebook said it wasn't received ... $ret = json_decode($j); if (($ret->error->type != "OAuthException") OR ($ret->error->code != 2) AND ($j <> "")) update_queue_time($x['id']); else logger('fbpost_queue_hook: Not requeued, since it seems to be received'); } } else { logger('fbpost_queue_hook: No fb_post or fb_token.'); update_queue_time($x['id']); } } else { logger('fbpost_queue_hook: No appid or secret.'); update_queue_time($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: ' . $x, LOGGER_DATA); return false; } } function fbpost_prepare_body(&$a,&$b) { if ($b["item"]["network"] != NETWORK_FACEBOOK) return; if ($b["preview"]) { $msg = $b["item"]["body"]; require_once("include/bbcode.php"); require_once("include/html2plain.php"); $msg = bb_CleanPictureLinks($msg); $msg = bbcode($msg, false, false, 2, true); $msg = trim(html2plain($msg, 0)); $b['html'] = nl2br(htmlspecialchars($msg)); } } function fbpost_cron($a,$b) { $last = get_config('facebook','last_poll'); $poll_interval = intval(get_config('facebook','poll_interval')); if(! $poll_interval) $poll_interval = FACEBOOK_DEFAULT_POLL_INTERVAL; if($last) { $next = $last + ($poll_interval * 60); if($next > time()) { logger('facebook: poll intervall not reached'); return; } } logger('facebook: cron_start'); $r = q("SELECT * FROM `pconfig` WHERE `cat` = 'facebook' AND `k` = 'mirror_posts' AND `v` = '1' ORDER BY RAND() "); if(count($r)) { foreach($r as $rr) { logger('facebook: fetching for user '.$rr['uid']); fbpost_fetchwall($a, $rr['uid']); } } logger('facebook: cron_end'); set_config('facebook','last_poll', time()); } function fbpost_cleanpicture($url) { require_once("include/Photo.php"); $urldata = parse_url($url); if (isset($urldata["query"])) { parse_str($urldata["query"], $querydata); if (isset($querydata["url"]) AND (get_photo_info($querydata["url"]))) return($querydata["url"]); } return($url); } function fbpost_fetchwall($a, $uid) { require_once("include/oembed.php"); require_once("include/network.php"); require_once('mod/item.php'); $access_token = get_pconfig($uid,'facebook','access_token'); $post_to_page = get_pconfig($uid,'facebook','post_to_page'); $lastcreated = get_pconfig($uid,'facebook','last_created'); if ((int)$post_to_page == 0) $post_to_page = "me"; $url = "https://graph.facebook.com/".$post_to_page."/feed?access_token=".$access_token; $first_time = ($lastcreated == ""); if ($lastcreated != "") $url .= "&since=".urlencode($lastcreated); $feed = fetch_url($url); $data = json_decode($feed); if (!is_array($data->data)) return; $items = array_reverse($data->data); foreach ($items as $item) { if ($item->created_time > $lastcreated) $lastcreated = $item->created_time; if ($first_time) continue; if ($item->application->id == get_config('facebook','appid')) continue; if(isset($item->privacy) && ($item->privacy->value !== 'EVERYONE') && ($item->privacy->value !== '')) continue; if (($post_to_page != $item->from->id) AND ((int)$post_to_page != 0)) continue; if (!strstr($item->id, $item->from->id."_") AND isset($item->to) AND ((int)$post_to_page == 0)) continue; $_SESSION["authenticated"] = true; $_SESSION["uid"] = $uid; unset($_REQUEST); $_REQUEST["type"] = "wall"; $_REQUEST["api_source"] = true; $_REQUEST["profile_uid"] = $uid; //$_REQUEST["source"] = "Facebook"; $_REQUEST["source"] = $item->application->name; $_REQUEST["extid"] = NETWORK_FACEBOOK; $_REQUEST["title"] = ""; $_REQUEST["body"] = (isset($item->message) ? escape_tags($item->message) : ''); $content = ""; $type = ""; if(isset($item->name) and isset($item->link)) { $item->link = original_url($item->link); $oembed_data = oembed_fetch_url($item->link); $type = $oembed_data->type; $content = "[bookmark=".$item->link."]".$item->name."[/bookmark]"; // If a link is not only attached but also added in the body, look if it can be removed in the body. $removedlink = trim(str_replace($item->link, "", $_REQUEST["body"])); if (($removedlink == "") OR strstr($_REQUEST["body"], $removedlink)) $_REQUEST["body"] = $removedlink; } elseif (isset($item->name)) $content .= "[b]".$item->name."[/b]"; $quote = ""; if(isset($item->description) and ($item->type != "photo")) $quote = $item->description; if(isset($item->caption) and ($item->type == "photo")) $quote = $item->caption; // Only import the picture when the message is no video // oembed display a picture of the video as well //if ($item->type != "video") { //if (($item->type != "video") and ($item->type != "photo")) { if (($type == "") OR ($type == "link")) { $type = $item->type; if (isset($item->picture)) $picture = $item->picture; if (($type == "photo") AND isset($item->object_id)) { logger('fbpost_fetchwall: fetching fbid '.$item->object_id, LOGGER_DEBUG); $url = "https://graph.facebook.com/".$item->object_id."?access_token=".$access_token; $feed = fetch_url($url); $data = json_decode($feed); if (isset($data->images)) { $picture = $data->images[0]->source; logger('fbpost_fetchwall: got fbid image '.$preview, LOGGER_DEBUG); } } if(trim($_REQUEST["body"].$content.$quote) == '') { logger('facebook: empty body 2 '.$item->id.' '.print_r($item, true)); continue; } $picture = fbpost_cleanpicture($picture); if(($picture != "") && isset($item->link)) { $item->link = original_url($item->link); $content .= "\n".'[url='.$item->link.'][img]'.$picture.'[/img][/url]'; } else { if ($picture != "") $content .= "\n".'[img]'.$picture.'[/img]'; // if just a link, it may be a wall photo - check if(isset($item->link)) $content .= fbpost_get_photo($uid,$item->link); } } if(trim($_REQUEST["body"].$content.$quote) == '') { logger('facebook: empty body '.$item->id.' '.print_r($item, true)); continue; } if ($content) $_REQUEST["body"] .= "\n"; if ($type) $_REQUEST["body"] .= "[class=type-".$type."]"; if ($content) $_REQUEST["body"] .= trim($content); if ($quote) $_REQUEST["body"] .= "\n[quote]".$quote."[/quote]"; if ($type) $_REQUEST["body"] .= "[/class]"; $_REQUEST["body"] = trim($_REQUEST["body"]); if (isset($item->place)) { if ($item->place->name or $item->place->location->street or $item->place->location->city or $item->place->location->country) { $_REQUEST["location"] = ''; if ($item->place->name) $_REQUEST["location"] .= $item->place->name; if ($item->place->location->street) $_REQUEST["location"] .= " ".$item->place->location->street; if ($item->place->location->city) $_REQUEST["location"] .= " ".$item->place->location->city; if ($item->place->location->country) $_REQUEST["location"] .= " ".$item->place->location->country; $_REQUEST["location"] = trim($_REQUEST["location"]); } if ($item->place->location->latitude and $item->place->location->longitude) $_REQUEST["coord"] = substr($item->place->location->latitude, 0, 8) .' '.substr($item->place->location->longitude, 0, 8); } //print_r($_REQUEST); logger('facebook: posting for user '.$uid); item_post($a); } set_pconfig($uid,'facebook','last_created', $lastcreated); } function fbpost_get_photo($uid,$link) { $access_token = get_pconfig($uid,'facebook','access_token'); if(! $access_token || (! stristr($link,'facebook.com/photo.php'))) return ""; $ret = preg_match('/fbid=([0-9]*)/',$link,$match); if($ret) $photo_id = $match[1]; else return ""; $x = fetch_url('https://graph.facebook.com/'.$photo_id.'?access_token='.$access_token); $j = json_decode($x); if($j->picture) return "\n\n".'[url='.$link.'][img]'.$j->picture.'[/img][/url]'; return ""; } function fpost_cleanpicture($image) { if ((strpos($image, ".fbcdn.net/") OR strpos($image, "/fbcdn-photos-")) and (substr($image, -6) == "_s.jpg")) $image = substr($image, 0, -6)."_n.jpg"; $queryvar = fbpost_parse_query($image); if ($queryvar['url'] != "") $image = urldecode($queryvar['url']); return $image; } function fbpost_parse_query($var) { /** * Use this function to parse out the query array element from * the output of parse_url(). */ $var = parse_url($var, PHP_URL_QUERY); $var = html_entity_decode($var); $var = explode('&', $var); $arr = array(); foreach($var as $val) { $x = explode('=', $val); $arr[$x[0]] = $x[1]; } unset($val, $x, $var); return $arr; }