/**
* Filter content run parameters, rebuild content dependecy cache and export file.
*
* @param Object $content
* @return Object NULL on failure.
*/
public function filterParameters(&$content)
{
if (isset($content['filtered']) && $content['filtered'] !== '') {
return $content['filtered'];
}
// Validate and filter against main library semantics.
$validator = new H5PContentValidator($this->h5pF, $this);
$params = (object) array('library' => H5PCore::libraryToString($content['library']), 'params' => json_decode($content['params']));
if (!$params->params) {
return NULL;
}
$validator->validateLibrary($params, (object) array('options' => array($params->library)));
$params = json_encode($params->params);
// Update content dependencies.
$content['dependencies'] = $validator->getDependencies();
// Sometimes the parameters are filtered before content has been created
if ($content['id']) {
$this->h5pF->deleteLibraryUsage($content['id']);
$this->h5pF->saveLibraryUsage($content['id'], $content['dependencies']);
if (!$content['slug']) {
$content['slug'] = $this->generateContentSlug($content);
// Remove old export file
$oldExport = $this->path . '/exports/' . $content['id'] . '.h5p';
if (file_exists($oldExport)) {
unlink($oldExport);
}
}
if ($this->exportEnabled) {
// Recreate export file
$exporter = new H5PExport($this->h5pF, $this);
$exporter->createExportFile($content);
}
// Cache.
$this->h5pF->updateContentFields($content['id'], array('filtered' => $params, 'slug' => $content['slug']));
}
return $params;
}
private function _validateFilelike(&$file, $semantics, $typevalidkeys = array())
{
// Make sure path and mime does not have any special chars
$file->path = htmlspecialchars($file->path, ENT_QUOTES, 'UTF-8', FALSE);
if (isset($file->mime)) {
$file->mime = htmlspecialchars($file->mime, ENT_QUOTES, 'UTF-8', FALSE);
}
// Remove attributes that should not exist, they may contain JSON escape
// code.
$validkeys = array_merge(array('path', 'mime', 'copyright'), $typevalidkeys);
if (isset($semantics->extraAttributes)) {
$validkeys = array_merge($validkeys, $semantics->extraAttributes);
// TODO: Validate extraAttributes
}
$this->filterParams($file, $validkeys);
if (isset($file->width)) {
$file->width = intval($file->width);
}
if (isset($file->height)) {
$file->height = intval($file->height);
}
if (isset($file->codecs)) {
$file->codecs = htmlspecialchars($file->codecs, ENT_QUOTES, 'UTF-8', FALSE);
}
if (isset($file->quality)) {
if (!is_object($file->quality) || !isset($file->quality->level) || !isset($file->quality->label)) {
unset($file->quality);
} else {
$this->filterParams($file->quality, array('level', 'label'));
$file->quality->level = intval($file->quality->level);
$file->quality->label = htmlspecialchars($file->quality->label, ENT_QUOTES, 'UTF-8', FALSE);
}
}
if (isset($file->copyright)) {
$this->validateGroup($file->copyright, H5PContentValidator::getCopyrightSemantics());
}
}
/**
* Add assets and JavaScript settings for the editor.
*
* @since 1.1.0
* @param int $id optional content identifier
*/
public function add_editor_assets($id = NULL)
{
$plugin = H5P_Plugin::get_instance();
$plugin->add_core_assets();
// Make sure the h5p classes are loaded
$plugin->get_h5p_instance('core');
$this->get_h5peditor_instance();
// Add JavaScript settings
$settings = $plugin->get_settings();
$cache_buster = '?ver=' . H5P_Plugin::VERSION;
// Use jQuery and styles from core.
$assets = array('css' => $settings['core']['styles'], 'js' => $settings['core']['scripts']);
// Use relative URL to support both http and https.
$upload_dir = plugins_url('h5p/h5p-editor-php-library');
$url = '/' . preg_replace('/^[^:]+:\\/\\/[^\\/]+\\//', '', $upload_dir) . '/';
// Add editor styles
foreach (H5peditor::$styles as $style) {
$assets['css'][] = $url . $style . $cache_buster;
}
// Add editor JavaScript
foreach (H5peditor::$scripts as $script) {
// We do not want the creator of the iframe inside the iframe
if ($script !== 'scripts/h5peditor-editor.js') {
$assets['js'][] = $url . $script . $cache_buster;
}
}
// Add JavaScript with library framework integration (editor part)
H5P_Plugin_Admin::add_script('editor-editor', 'h5p-editor-php-library/scripts/h5peditor-editor.js');
H5P_Plugin_Admin::add_script('editor', 'admin/scripts/h5p-editor.js');
// Add translation
$language = $plugin->get_language();
$language_script = 'h5p-editor-php-library/language/' . $language . '.js';
if (!file_exists(plugin_dir_path(__FILE__) . '../' . $language_script)) {
$language_script = 'h5p-editor-php-library/language/en.js';
}
H5P_Plugin_Admin::add_script('language', $language_script);
// Add JavaScript settings
$settings['editor'] = array('filesPath' => $plugin->get_h5p_url() . '/editor', 'fileIcon' => array('path' => plugins_url('h5p/h5p-editor-php-library/images/binary-file.png'), 'width' => 50, 'height' => 50), 'ajaxPath' => admin_url('admin-ajax.php?action=h5p_'), 'libraryUrl' => plugin_dir_url('h5p/h5p-editor-php-library/h5peditor.class.php'), 'copyrightSemantics' => H5PContentValidator::getCopyrightSemantics(), 'assets' => $assets, 'deleteMessage' => __('Are you sure you wish to delete this content?', $this->plugin_slug));
if ($id !== NULL) {
$settings['editor']['nodeVersionId'] = $id;
}
$plugin->print_settings($settings);
}
