246 lines
13 KiB
PHP
246 lines
13 KiB
PHP
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<?php
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namespace IdnoPlugins\Facebook {
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class Main extends \Idno\Common\Plugin
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{
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public $endpoint = 'me';
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function registerPages()
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{
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// Deauth URL
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\Idno\Core\site()->addPageHandler('facebook/deauth', '\IdnoPlugins\Facebook\Pages\Deauth');
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// Register the callback URL
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\Idno\Core\site()->addPageHandler('facebook/callback', '\IdnoPlugins\Facebook\Pages\Callback');
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// Register admin settings
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\Idno\Core\site()->addPageHandler('admin/facebook', '\IdnoPlugins\Facebook\Pages\Admin');
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// Register settings page
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\Idno\Core\site()->addPageHandler('account/facebook', '\IdnoPlugins\Facebook\Pages\Account');
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/** Template extensions */
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// Add menu items to account & administration screens
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\Idno\Core\site()->template()->extendTemplate('admin/menu/items', 'admin/facebook/menu');
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\Idno\Core\site()->template()->extendTemplate('account/menu/items', 'account/facebook/menu');
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\Idno\Core\site()->template()->extendTemplate('onboarding/connect/networks', 'onboarding/connect/facebook');
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}
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function registerEventHooks()
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{
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\Idno\Core\site()->syndication()->registerService('facebook', function () {
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return $this->hasFacebook();
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}, array('note', 'article', 'image', 'media','rsvp', 'bookmark'));
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if ($this->hasFacebook()) {
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if (is_array(\Idno\Core\site()->session()->currentUser()->facebook) && !array_key_exists('access_token', \Idno\Core\site()->session()->currentUser()->facebook)) {
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foreach(\Idno\Core\site()->session()->currentUser()->facebook as $username => $details) {
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\Idno\Core\site()->syndication()->registerServiceAccount('facebook', $username, $details['name']);
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}
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}
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}
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$notes_function = function (\Idno\Core\Event $event) {
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$eventdata = $event->data();
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$object = $eventdata['object'];
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if ($this->hasFacebook()) {
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$object = $eventdata['object'];
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if (!empty($eventdata['syndication_account'])) {
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$facebookAPI = $this->connect($eventdata['syndication_account']);
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} else {
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$facebookAPI = $this->connect();
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}
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if (!empty($facebookAPI)) {
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$message = preg_replace('/<[^\>]*>/', '', $object->getDescription()); //strip_tags($object->getDescription());
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// Obey the IndieWeb reference setting
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if (!substr_count($message, \Idno\Core\site()->config()->host) && \Idno\Core\site()->config()->indieweb_reference) {
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$message .= "\n\n(" . $object->getShortURL(true, false) . ")";
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}
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if (!empty($message) && substr($message, 0, 1) != '@') {
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$params = array(
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'message' => $message,
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'actions' => json_encode([['name' => 'See Original', 'link' => $object->getURL()]]),
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);
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if (preg_match('/(?<!=)(?<!["\'])((ht|f)tps?:\/\/[^\s\r\n\t<>"\'\(\)]+)/i', $message, $matches)) {
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$params['link'] = $matches[0]; // Set the first discovered link as the match
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}
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try {
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$result = $facebookAPI->api('/'.$this->endpoint.'/feed', 'POST', $params);
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if (!empty($result['id'])) {
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$result['id'] = str_replace('_', '/posts/', $result['id']);
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$object->setPosseLink('facebook', 'https://facebook.com/' . $result['id']);
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$object->save();
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}
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} catch (\Exception $e) {
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error_log('There was a problem posting to Facebook: ' . $e->getMessage());
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\Idno\Core\site()->session()->addMessage('There was a problem posting to Facebook: ' . $e->getMessage());
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}
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}
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}
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}
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};
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// Push "notes" to Facebook
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\Idno\Core\site()->addEventHook('post/note/facebook', $notes_function);
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\Idno\Core\site()->addEventHook('post/bookmark/facebook', $notes_function);
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$article_function = function (\Idno\Core\Event $event) {
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$eventdata = $event->data();
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$object = $eventdata['object'];
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if ($this->hasFacebook()) {
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if (!empty($eventdata['syndication_account'])) {
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$facebookAPI = $this->connect($eventdata['syndication_account']);
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} else {
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$facebookAPI = $this->connect();
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}
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if (!empty($facebookAPI)) {
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$result = $facebookAPI->api('/'.$this->endpoint.'/feed', 'POST',
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array(
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'link' => $object->getURL(),
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'message' => $object->getTitle(),
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'actions' => json_encode([['name' => 'See Original', 'link' => $object->getURL()]]),
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));
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if (!empty($result['id'])) {
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$result['id'] = str_replace('_', '/posts/', $result['id']);
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$object->setPosseLink('facebook', 'https://facebook.com/' . $result['id']);
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$object->save();
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}
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}
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}
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};
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// Push "articles" and "rsvps" to Facebook
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\Idno\Core\site()->addEventHook('post/rsvp/facebook', $article_function);
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\Idno\Core\site()->addEventHook('post/article/facebook', $article_function);
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// Push "media" to Facebook
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\Idno\Core\site()->addEventHook('post/media/facebook', function (\Idno\Core\Event $event) {
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$eventdata = $event->data();
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$object = $eventdata['object'];
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if ($this->hasFacebook()) {
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if (!empty($eventdata['syndication_account'])) {
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$facebookAPI = $this->connect($eventdata['syndication_account']);
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} else {
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$facebookAPI = $this->connect();
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}
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if (!empty($facebookAPI)) {
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$result = $facebookAPI->api('/'.$this->endpoint.'/feed', 'POST',
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array(
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'link' => $object->getURL(),
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'message' => $object->getTitle(),
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'actions' => json_encode([['name' => 'See Original', 'link' => $object->getURL()]]),
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));
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if (!empty($result['id'])) {
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$result['id'] = str_replace('_', '/posts/', $result['id']);
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$object->setPosseLink('facebook', 'https://facebook.com/' . $result['id']);
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$object->save();
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}
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}
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}
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});
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// Push "images" to Facebook
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\Idno\Core\site()->addEventHook('post/image/facebook', function (\Idno\Core\Event $event) {
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$eventdata = $event->data();
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$object = $eventdata['object'];
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if ($attachments = $object->getAttachments()) {
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foreach ($attachments as $attachment) {
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if ($this->hasFacebook()) {
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if (!empty($eventdata['syndication_account'])) {
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$facebookAPI = $this->connect($eventdata['syndication_account']);
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} else {
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$facebookAPI = $this->connect();
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}
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if (!empty($facebookAPI)) {
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$message = strip_tags($object->getTitle()) . "\n\n" . strip_tags($object->getDescription());
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$message .= "\n\nOriginal: " . $object->getURL();
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try {
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//$facebookAPI->setFileUploadSupport(true);
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$response = $facebookAPI->api(
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'/'.$this->endpoint.'/photos/',
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'post',
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array(
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'message' => $message,
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'url' => $attachment['url'],
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'actions' => json_encode([['name' => 'See Original', 'link' => $object->getURL()]]),
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)
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);
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if (!empty($response['id'])) {
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$result['id'] = str_replace('_', '/photos/', $response['id']);
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$object->setPosseLink('facebook', 'https://facebook.com/' . $response['id']);
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$object->save();
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}
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} catch (\FacebookApiException $e) {
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error_log('Could not post image to Facebook: ' . $e->getMessage());
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}
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}
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}
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}
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}
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});
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}
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/**
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* Retrieve the URL to authenticate with Facebook
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* @return string
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*/
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function getAuthURL()
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{
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$facebook = $this;
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if ($facebookAPI = $facebook->connect()) {
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return $facebookAPI->getLoginUrl();
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}
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return '';
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}
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/**
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* Connect to Facebook
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* @return bool|FacebookAPI
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*/
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function connect($account_id = '')
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{
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if (!empty(\Idno\Core\site()->config()->facebook)) {
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require_once(dirname(__FILE__) . '/external/facebook-sdk/autoload.php');
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\Facebook\FacebookSession::setDefaultApplication(
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\Idno\Core\site()->config()->facebook['appId'],
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\Idno\Core\site()->config()->facebook['secret']
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);
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$facebookAPI = new FacebookAPI();
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if (!empty($account_id)) {
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if (!empty(\Idno\Core\site()->session()->currentUser()->facebook[$account_id])) {
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$facebookAPI->setAccessToken(\Idno\Core\site()->session()->currentUser()->facebook[$account_id]['access_token']);
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$this->endpoint = $account_id;
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return $facebookAPI;
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}
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} else {
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if (!empty(\Idno\Core\site()->session()->currentUser()->facebook['access_token'])) {
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$facebookAPI->setAccessToken(\Idno\Core\site()->session()->currentUser()->facebook['access_token']);
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}
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return $facebookAPI; // This needs to return even if we haven't set the user token yet, for the auth callback
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}
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}
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return false;
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}
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/**
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* Can the current user use Twitter?
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* @return bool
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*/
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function hasFacebook()
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{
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if (!\Idno\Core\site()->session()->currentUser()) {
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return false;
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}
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return \Idno\Core\site()->session()->currentUser()->facebook;
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}
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}
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}
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