config['facebook']['appid'] = 'xxxxxxxxxxx'; * $a->config['facebook']['appsecret'] = 'xxxxxxxxxxxxxxx'; * Replace with the settings Facebook gives you. * 2. Enable the facebook plugin by including it in .htconfig.php - e.g. * $a->config['system']['addon'] = 'plugin1,plugin2,facebook'; * 3. Visit your site url + '/facebook' (e.g. http://example.com/facebook) * and click 'Install Facebook posting'. * 4. This will ask you to login to Facebook and grant permission to the * plugin to do its stuff. Allow it to do so. * 5. You're done. To turn it off visit your site's /facebook page again and * 'Remove Facebook posting'. * * Turn logging on (see the github Friendika wiki page 'Settings') and * repeat these steps if you have trouble. * Vidoes and embeds will not be posted if there is no other content. Links * and images will be converted to text and long posts truncated - with a link * to view the full post. Posts with permission settings and comments will * not be posted to Facebook. * */ define('FACEBOOK_MAXPOSTLEN', 420); /* declare the facebook_module function so that /facebook url requests will land here */ function facebook_module() {} /* If a->argv[1] is a nickname, this is a callback from Facebook oauth requests. */ function facebook_init(&$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(! count($r)) return; $uid = $r[0]['uid']; $auth_code = (($_GET['code']) ? $_GET['code'] : ''); $error = (($_GET['error_description']) ? $_GET['error_description'] : ''); if($error) logger('facebook_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() . '/facebook/' . $nick) . '&code=' . $auth_code); logger('facebook_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'); } // todo: is this a browser session or a server session? where do we go? } } function facebook_post(&$a) { if(local_user()){ $value = ((x($_POST,'post_by_default')) ? intval($_POST['post_by_default']) : 0); set_pconfig(local_user(),'facebook','post_by_default', $value); } return; } function facebook_content(&$a) { if(! local_user()) { notice( t('Permission denied.') . EOL); return ''; } if($a->argc > 1 && $a->argv[1] === 'remove') { del_pconfig(local_user(),'facebook','post'); notice( t('Facebook disabled') . EOL); } $fb_installed = get_pconfig(local_user(),'facebook','post'); $appid = get_config('facebook','appid'); if(! $appid) { notice( t('Facebook API key is missing.') . EOL); return ''; } $a->page['htmlhead'] .= '' . "\r\n"; $o .= '

' . t('Facebook Connect') . '

'; if(! $fb_installed) { $o .= '
'; $o .= '' . t('Install Facebook post connector') . ''; $o .= '
'; } if($fb_installed) { $o .= '
'; $o .= '' . t('Remove Facebook post connector') . '
'; $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') . '
'; $o .= '
'; } return $o; } function facebook_install() { register_hook('post_local_end', 'addon/facebook/facebook.php', 'facebook_post_hook'); register_hook('jot_networks', 'addon/facebook/facebook.php', 'facebook_jot_nets'); register_hook('plugin_settings', 'addon/facebook/facebook.php', 'facebook_plugin_settings'); } function facebook_uninstall() { unregister_hook('post_local_end', 'addon/facebook/facebook.php', 'facebook_post_hook'); unregister_hook('jot_networks', 'addon/facebook/facebook.php', 'facebook_jot_nets'); unregister_hook('plugin_settings', 'addon/facebook/facebook.php', 'facebook_plugin_settings'); } function facebook_plugin_settings(&$a,&$b) { $b .= '
'; $b .= '

' . t('Facebook') . '

'; $b .= '' . t('Facebook Connector Settings') . '
'; $b .= '
'; } function facebook_jot_nets(&$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" ' : ''); $b .= '
' . t('Post to Facebook') . '
'; } } function facebook_post_hook(&$a,&$b) { /** * Post to Facebook stream */ logger('Facebook post'); if((local_user()) && (local_user() == $b['uid']) && (! $b['private']) && (! $b['parent'])) { $appid = get_config('facebook', 'appid' ); $secret = get_config('facebook', 'appsecret' ); if($appid && $secret) { logger('facebook: have appid+secret'); $fb_post = intval(get_pconfig(local_user(),'facebook','post')); $fb_enable = (($fb_post && x($_POST,'facebook_enable')) ? intval($_POST['facebook_enable']) : 0); $fb_token = get_pconfig(local_user(),'facebook','access_token'); logger('facebook: $fb_post: ' . $fb_post . ' $fb_enable: ' . $fb_enable . ' $fb_token: ' . $fb_token,LOGGER_DEBUG); if($fb_post && $fb_token && $fb_enable) { 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 $msg = preg_replace("/\[url=(.+?)\](.+?)\[\/url\]/is",'$2 $1',$msg); $msg = preg_replace("/\[img\](.+?)\[\/img\]/is", t('Image: ') . '$1',$msg); $msg = trim(strip_tags(bbcode($msg))); $msg = html_entity_decode($msg,ENT_QUOTES,'UTF-8'); if (strlen($msg) > FACEBOOK_MAXPOSTLEN) { $shortlink = ""; require_once('library/slinky.php'); $display_url = $a->get_baseurl() . '/display/' . $a->user['nickname'] . '/' . $b['id']; $slinky = new Slinky( $display_url ); // setup a cascade of shortening services // try to get a short link from these services // in the order ur1.ca, trim, id.gd, tinyurl $slinky->set_cascade( array( new Slinky_UR1ca(), new Slinky_Trim(), new Slinky_IsGd(), new Slinky_TinyURL() ) ); $shortlink = $slinky->short(); // the new message will be shortened such that "... $shortlink" // will fit into the character limit $msg = substr($msg, 0, FACEBOOK_MAXPOSTLEN - strlen($shortlink) - 4); $msg .= '... ' . $shortlink; } if(! strlen($msg)) return; logger('Facebook post: msg=' . $msg, LOGGER_DATA); $postvars = array('access_token' => $fb_token, 'message' => $msg); $x = post_url('https://graph.facebook.com/me/feed', $postvars); logger('Facebook post returns: ' . $x, LOGGER_DEBUG); } } } }