function postContent()
 {
     $this->adminGatekeeper();
     $request = $this->getInput('request');
     $key = $this->getInput('key');
     $username = $this->getInput('username');
     $json = $this->getInput('json');
     $follow_redirects = $this->getInput('follow_redirects');
     $method = $this->getInput('method', 'GET');
     $url = \Idno\Core\Idno::site()->config()->getURL();
     if (strripos($url, '/') == strlen($url) - 1) {
         $url = substr($url, 0, strlen($url) - 1);
     }
     $url .= $request;
     $client = new Webservice();
     if ($method == 'POST') {
         $result = $client->post($url, $json, array('X-KNOWN-USERNAME: ' . $username, 'X-KNOWN-SIGNATURE: ' . base64_encode(hash_hmac('sha256', $request, $key, true))));
     } else {
         $result = $client->get($url, null, array('X-KNOWN-USERNAME: ' . $username, 'X-KNOWN-SIGNATURE: ' . base64_encode(hash_hmac('sha256', $request, $key, true))));
     }
     $response = Webservice::getLastResponse();
     $sent_request = Webservice::getLastRequest() . $json;
     $api_request = array('request' => $request, 'key' => $key, 'username' => $username, 'json' => $json, 'sent_request' => $sent_request, 'response' => gzencode($response, 9), 'method' => $method);
     \Idno\Core\Idno::site()->session()->set('api_request', $api_request);
     $this->forward(\Idno\Core\Idno::site()->config()->getURL() . 'admin/apitester/');
 }

 function getContent($params = array())
 {
     $this->gatekeeper();
     $t = Idno::site()->template();
     $body = $t->__([])->draw('account/indiepub');
     $t->__(['title' => 'IndiePub Accounts', 'body' => $body])->drawPage();
 }

 /**
  *  Gatekeeper function that validates input forms and prevents csrf attacks.
  *  Call this from your form action code.
  *
  * @param string $targetURL The URL of the form action that brought us here.
  * @param boolean $haltExecutionOnBadRequest If set to true, the function halts all execution if the form doesn't validate. (True by default.)
  * @return true|false
  */
 public static function validateToken($action = '', $haltExecutionOnBadRequest = true)
 {
     if (empty($_REQUEST['__bTs']) || empty($_REQUEST['__bTk'])) {
         if ($haltExecutionOnBadRequest) {
             exit;
         }
         return false;
     }
     $time = $_REQUEST['__bTs'];
     $token = $_REQUEST['__bTk'];
     if (empty($action)) {
         if (!empty($_REQUEST['__bTa'])) {
             $action = $_REQUEST['__bTa'];
         } else {
             if ($haltExecutionOnBadRequest) {
                 exit;
             }
             return false;
         }
     }
     if (abs(time() - $time) < \Idno\Core\Idno::site()->config()->form_token_expiry) {
         if (self::token($action, $time) == $token) {
             return true;
         }
     }
     if ($haltExecutionOnBadRequest) {
         exit;
     }
     return false;
 }

 /**
  * Check that this token is either a user token or the
  * site's API token, and auth the current request for that user if so.
  *
  * @return \Idno\Entities\User user on success
  */
 private static function authenticate()
 {
     $access_token = \Idno\Core\Input::getInput('access_token');
     $headers = \Idno\Common\Page::getallheaders();
     if (!empty($headers['Authorization'])) {
         $token = $headers['Authorization'];
         $token = trim(str_replace('Bearer', '', $token));
     } else {
         if ($token = \Idno\Core\Input::getInput('access_token')) {
             $token = trim($token);
         }
     }
     if (!empty($token)) {
         $found = Token::findUserForToken($token);
         if (!empty($found)) {
             \Idno\Core\Idno::site()->session()->setIsAPIRequest(true);
             $user = $found['user'];
             \Idno\Core\Idno::site()->session()->refreshSessionUser($user);
             return $user;
         }
         $user = \Idno\Entities\User::getOne(array('admin' => true));
         if ($token == $user->getAPIkey()) {
             \Idno\Core\Idno::site()->session()->setIsAPIRequest(true);
             \Idno\Core\Idno::site()->session()->refreshSessionUser($user);
             return $user;
         }
     }
     return false;
 }

 function post()
 {
     // Get parameters
     $code = $this->getInput('code');
     $me = $this->getInput('me');
     $redirect_uri = $this->getInput('redirect_uri');
     $state = $this->getInput('state');
     $client_id = $this->getInput('client_id');
     $verified = Auth::verifyCode($code, $client_id, $redirect_uri, $state);
     if ($verified['valid'] === true) {
         // Get user & existing tokens
         $user = $verified['user'];
         $indieauth_tokens = $user->indieauth_tokens;
         if (empty($indieauth_tokens)) {
             $indieauth_tokens = array();
         }
         // Generate access token and save it to the user
         $token = md5(rand(0, 99999) . time() . $user->getUUID() . $client_id . $state . rand(0, 999999));
         $indieauth_tokens[$token] = array('me' => $me, 'redirect_uri' => $redirect_uri, 'scope' => 'post', 'client_id' => $client_id, 'issued_at' => time(), 'nonce' => mt_rand(1000000, pow(2, 30)));
         $user->indieauth_tokens = $indieauth_tokens;
         $user->save();
         if (\Idno\Core\Idno::site()->session()->isLoggedOn() && $user->getUUID() == \Idno\Core\Idno::site()->session()->currentUser()->getUUID()) {
             \Idno\Core\Idno::site()->session()->refreshSessionUser($user);
         }
         // Output to the browser
         $this->setResponse(200);
         header('Content-Type: application/x-www-form-urlencoded');
         echo http_build_query(array('access_token' => $token, 'scope' => 'post', 'me' => $me));
         exit;
     } else {
         $this->setResponse(400);
         echo $verified['reason'];
     }
 }

 function postContent()
 {
     $this->createGatekeeper();
     // User is logged in and can post content
     // Get variables
     $body = $this->getInput('body');
     $object_uuid = $this->getInput('object');
     $type = $this->getInput('type');
     $user = \Idno\Core\Idno::site()->session()->currentUser();
     if ($type != 'like') {
         $type = 'reply';
     }
     if ($object = Entity::getByUUID($object_uuid)) {
         $has_liked = false;
         if ($type == 'like') {
             if ($like_annotations = $object->getAnnotations('like')) {
                 foreach ($like_annotations as $like) {
                     if ($like['owner_url'] == \Idno\Core\Idno::site()->session()->currentUser()->getURL()) {
                         $object->removeAnnotation($like['permalink']);
                         $object->save();
                         $has_liked = true;
                     }
                 }
             }
         }
         if (!$has_liked) {
             if ($object->addAnnotation($type, $user->getTitle(), $user->getURL(), $user->getIcon(), $body)) {
                 $object->save();
             }
         }
         $this->forward($object->getDisplayURL() . '#comments');
     }
 }

 function getContent()
 {
     $this->gatekeeper();
     $user = Idno::site()->session()->currentUser();
     $code = $this->getInput('code');
     $state = $this->getInput('state');
     $me = $this->getInput('me');
     $token_endpoint = IndieAuthClient::discoverTokenEndpoint($me);
     $micropub_endpoint = IndieAuthClient::discoverMicropubEndpoint($me);
     $hcard = IndieAuthClient::representativeHCard($me);
     $client_id = Idno::site()->config()->getDisplayURL();
     $redirect_uri = Idno::site()->config()->getDisplayURL() . 'account/indiesyndicate/cb';
     $result = IndieAuthClient::getAccessToken($token_endpoint, $code, $me, $redirect_uri, $client_id, $state);
     if (isset($result['me']) && isset($result['access_token'])) {
         $me = $result['me'];
         $token = $result['access_token'];
         $name = $me;
         if (!empty($hcard['properties']['name'])) {
             $name = $hcard['properties']['name'][0];
         } else {
             $name = $me;
         }
         $user->indiesyndicate[$me] = ['name' => $name, 'access_token' => $token, 'micropub_endpoint' => $micropub_endpoint, 'method' => 'micropub'];
         $user->save();
         Idno::site()->session()->addMessage('Successfully authorized ' . $me);
     } else {
         Idno::site()->session()->addErrorMessage('Authorization was declined or failed for ' . $me);
     }
     $this->forward(Idno::site()->config()->getDisplayURL() . 'account/indiesyndicate');
 }

 /**
  * Have webhooks been registered in the system?
  * @return bool
  */
 function hasWebhooks()
 {
     if (!empty(\Idno\Core\Idno::site()->config()->webhook_syndication) || \Idno\Core\Idno::site()->session()->isLoggedIn() && !empty(\Idno\Core\Idno::site()->session()->currentUser()->webhook_syndication)) {
         return true;
     }
     return false;
 }

 function saveDataFromInput()
 {
     $page = Idno::site()->currentPage();
     if (empty($this->_id)) {
         $new = true;
     } else {
         $new = false;
     }
     $this->repostof = $page->getInput('repost-of');
     if ($this->repostof) {
         foreach ((array) $this->repostof as $repostofurl) {
             $this->syndicatedto = Webmention::addSyndicatedReplyTargets($repostofurl, $this->syndicatedto);
         }
     }
     $this->description = $page->getInput('description');
     $this->body = $page->getInput('body');
     if (empty($this->description) && empty($this->body)) {
         $result = \IdnoPlugins\Reactions\Pages\Fetch::fetch($this->repostof);
         if (isset($result['description'])) {
             $this->description = $result['description'];
         }
         if (isset($result['content'])) {
             $this->body = $result['content'];
         }
     }
     $this->setAccess($page->getInput('access'));
     if ($this->publish($new)) {
         Webmention::sendWebmentionPayload($this->getURL(), $this->repostof);
     }
     return true;
 }

 function getContent()
 {
     $this->gatekeeper();
     // Logged-in users only
     if ($twitter = \Idno\Core\Idno::site()->plugins()->get('Flickr')) {
         if ($user = \Idno\Core\Idno::site()->session()->currentUser()) {
             if ($account = $this->getInput('remove')) {
                 if (array_key_exists($account, $user->flickr)) {
                     unset($user->flickr[$account]);
                 } else {
                     $user->flickr = false;
                 }
             } else {
                 $user->flickr = false;
             }
             $user->save();
             \Idno\Core\Idno::site()->session()->refreshSessionUser($user);
             if (!empty($user->link_callback)) {
                 error_log($user->link_callback);
                 $this->forward($user->link_callback);
                 exit;
             }
         }
     }
     $this->forward($_SERVER['HTTP_REFERER']);
 }

 function registerPages()
 {
     \Idno\Core\Idno::site()->addPageHandler('/entry/edit/?', '\\IdnoPlugins\\Text\\Pages\\Edit');
     \Idno\Core\Idno::site()->addPageHandler('/entry/edit/([A-Za-z0-9]+)/?', '\\IdnoPlugins\\Text\\Pages\\Edit');
     \Idno\Core\Idno::site()->addPageHandler('/entry/delete/([A-Za-z0-9]+)/?', '\\IdnoPlugins\\Text\\Pages\\Delete');
     \Idno\Core\Idno::site()->addPageHandler('/entry/([A-Za-z0-9]+)/.*', '\\Idno\\Pages\\Entity\\View');
 }

 function postContent()
 {
     $body = strip_tags($this->getInput('body'));
     $name = strip_tags($this->getInput('name'));
     $url = trim($this->getInput('url'));
     $url2 = trim($this->getInput('url-2'));
     $validator = $this->getInput('validator');
     if (!empty($url2)) {
         $this->deniedContent();
     }
     $this->referrerGatekeeper();
     if (!empty($body) && !empty($name) && !empty($validator)) {
         if ($object = Entity::getByUUID($validator)) {
             if ($url = Webservice::sanitizeURL($url)) {
                 if ($content = Webservice::get($url)) {
                     if ($content['response'] == '200') {
                         $icon = Webmention::getIconFromWebsiteContent($content['content'], $url);
                     }
                 }
             }
             if (empty($icon)) {
                 $bn = hexdec(substr(md5($url), 0, 15));
                 $number = 1 + $bn % 5;
                 $icon = \Idno\Core\Idno::site()->config()->url . 'gfx/users/default-' . str_pad($number, 2, '0', STR_PAD_LEFT) . '.png';
             }
             $object->addAnnotation('reply', $name, $url, $icon, $body);
             $this->forward($object->getDisplayURL());
         }
     }
 }

 /**
  * Get parsed items from this feed
  * @return array|bool
  */
 function retrieveItems()
 {
     if ($content = Webservice::get($this->getFeedURL())) {
         return \Idno\Core\Idno::site()->reader()->parseFeed($content['content'], $this->getFeedURL());
     }
     return false;
 }

 function getContent()
 {
     $t = Idno::site()->template();
     $t->setTemplateType('json');
     $url = $this->getInput('url');
     $t->__(self::fetch($url))->drawPage();
 }

 function getContent()
 {
     $this->createGatekeeper();
     // This functionality is for logged-in users only
     // Are we loading an entity?
     if (!empty($this->arguments)) {
         $object = \IdnoPlugins\Event\Event::getByID($this->arguments[0]);
     } else {
         $object = new \IdnoPlugins\Event\Event();
         $autosave = new \Idno\Core\Autosave();
         foreach (array('title', 'summary', 'location', 'starttime', 'endtime', 'body') as $field) {
             $object->{$field} = $autosave->getValue('event', $field);
         }
     }
     if ($owner = $object->getOwner()) {
         $this->setOwner($owner);
     }
     $t = \Idno\Core\Idno::site()->template();
     $body = $t->__(array('object' => $object))->draw('entity/Event/edit');
     if (empty($object)) {
         $title = 'Write an event';
     } else {
         $title = 'Edit event';
     }
     if (!empty($this->xhr)) {
         echo $body;
     } else {
         $t->__(array('body' => $body, 'title' => $title))->drawPage();
     }
 }

 function getContent()
 {
     $this->createGatekeeper();
     // This functionality is for logged-in users only
     // Are we loading an entity?
     if (!empty($this->arguments)) {
         $object = \IdnoPlugins\Checkin\Checkin::getByID($this->arguments[0]);
     } else {
         $object = new \IdnoPlugins\Checkin\Checkin();
     }
     if ($owner = $object->getOwner()) {
         $this->setOwner($owner);
     }
     $t = \Idno\Core\Idno::site()->template();
     $body = $t->__(array('object' => $object))->draw('entity/Checkin/edit');
     if (empty($object)) {
         $title = 'Where are you?';
     } else {
         $title = 'Edit checkin';
     }
     if (!empty($this->xhr)) {
         echo $body;
     } else {
         $t->__(array('body' => $body, 'title' => $title))->drawPage();
     }
 }

 function post()
 {
     if (\Idno\Core\Idno::site()->session()->isLoggedOn()) {
         if (!empty($_FILES['file']['tmp_name'])) {
             if (!\Idno\Core\Idno::site()->triggerEvent("file/upload", [], true)) {
                 exit;
             }
             if (\Idno\Entities\File::isImage($_FILES['file']['tmp_name'])) {
                 $return = false;
                 $file = false;
                 if ($file = \Idno\Entities\File::createThumbnailFromFile($_FILES['file']['tmp_name'], $_FILES['file']['name'], 1024)) {
                     $return = true;
                     $returnfile = new \stdClass();
                     $returnfile->file = ['_id' => $file];
                     $file = $returnfile;
                 } else {
                     if ($file = \Idno\Entities\File::createFromFile($_FILES['file']['tmp_name'], $_FILES['file']['name'], $_FILES['file']['type'], true)) {
                         $return = true;
                     }
                 }
                 if ($return) {
                     $t = \Idno\Core\Idno::site()->template();
                     $t->file = $file;
                     echo $t->draw('file/picker/donejs');
                     exit;
                 }
             } else {
                 Idno::site()->session()->addErrorMessage("You can only upload images.");
             }
         }
         $this->forward($_SERVER['HTTP_REDIRECT']);
     }
 }

 function getContent()
 {
     $this->createGatekeeper();
     // This functionality is for logged-in users only
     // Are we loading an entity?
     if (!empty($this->arguments)) {
         $title = 'Edit bookmark';
         $object = \IdnoPlugins\Like\Like::getByID($this->arguments[0]);
     } else {
         $title = 'New bookmark';
         $object = new \IdnoPlugins\Like\Like();
         $object->pageTitle = $object->getTitleFromURL($this->getInput('url'));
     }
     if ($owner = $object->getOwner()) {
         $this->setOwner($owner);
     }
     $t = \Idno\Core\Idno::site()->template();
     $edit_body = $t->__(array('object' => $object, 'url' => $this->getInput('url')))->draw('entity/Like/edit');
     $body = $t->__(['body' => $edit_body])->draw('entity/editwrapper');
     if (!empty($this->xhr)) {
         echo $body;
     } else {
         $t->__(array('body' => $body, 'title' => $title))->drawPage();
     }
 }

 function getContent()
 {
     $this->createGatekeeper();
     // This functionality is for logged-in users only
     // Are we loading an entity?
     if (!empty($this->arguments)) {
         $object = \IdnoPlugins\Status\Status::getByID($this->arguments[0]);
     } else {
         $object = \IdnoPlugins\Status\Status::factory();
     }
     if ($owner = $object->getOwner()) {
         $this->setOwner($owner);
     }
     $t = \Idno\Core\Idno::site()->template();
     $edit_body = $t->__(array('object' => $object, 'url' => $this->getInput('url'), 'body' => $this->getInput('body'), 'tags' => $this->getInput('tags')))->draw('entity/Status/edit');
     $body = $t->__(['body' => $edit_body])->draw('entity/editwrapper');
     if (empty($object)) {
         $title = 'What are you up to?';
     } else {
         $title = 'Edit status update';
     }
     if (!empty($this->xhr)) {
         echo $body;
     } else {
         $t->__(array('body' => $body, 'title' => $title))->drawPage();
     }
 }

 function postContent()
 {
     $this->adminGatekeeper();
     $hooks = $this->getInput('webhooks');
     $titles = $this->getInput('titles');
     $webhook_syndication = array();
     if (is_array($hooks) && !empty($hooks)) {
         foreach ($hooks as $key => $hook) {
             $hook = trim($hook);
             if (!empty($hook)) {
                 if (filter_var($hook, FILTER_VALIDATE_URL)) {
                     if (!empty($titles[$key])) {
                         $title = $titles[$key];
                     } else {
                         $title = parse_url($hook, PHP_URL_HOST);
                     }
                     $webhook_syndication[] = array('url' => $hook, 'title' => $title);
                 } else {
                     \Idno\Core\Idno::site()->session()->addErrorMessage($hook . " doesn't seem to be a valid URL.");
                 }
             }
         }
     }
     \Idno\Core\Idno::site()->config->webhook_syndication = $webhook_syndication;
     \Idno\Core\Idno::site()->config->save();
     $this->forward(\Idno\Core\Idno::site()->config()->getDisplayURL() . 'admin/webhooks/');
 }