show_notice = apply_filters(
'omgf_admin_options_show_notice',
[
OMGF_Admin_Settings::OMGF_OPTIMIZE_SETTING_OPTIMIZATION_MODE,
OMGF_Admin_Settings::OMGF_OPTIMIZE_SETTING_DISPLAY_OPTION,
OMGF_Admin_Settings::OMGF_ADV_SETTING_CACHE_PATH,
]
);
add_action('admin_enqueue_scripts', [$this, 'enqueue_admin_scripts']);
add_action('admin_notices', [$this, 'print_notices']);
$this->do_optimize_settings();
$this->do_detection_settings();
$this->do_advanced_settings();
$this->do_help();
$this->maybe_do_after_update_notice();
// This used to fix a bug, but now it breaks stuff. Leave it here for the time being.
// add_filter('pre_update_option_omgf_optimized_fonts', [$this, 'update_optimized_fonts'], 10, 2);
add_filter('pre_update_option_omgf_cache_keys', [$this, 'clean_up_cache'], 10, 3);
add_action('pre_update_option_omgf_cache_dir', [$this, 'validate_cache_dir'], 10, 2);
add_filter('pre_update_option', [$this, 'settings_changed'], 10, 3);
}
/**
* Enqueues the necessary JS and CSS and passes options as a JS object.
*
* @param $hook
*/
public function enqueue_admin_scripts($hook)
{
if ($hook == 'settings_page_optimize-webfonts') {
wp_enqueue_script(self::OMGF_ADMIN_JS_HANDLE, plugin_dir_url(OMGF_PLUGIN_FILE) . 'assets/js/omgf-admin.js', ['jquery'], OMGF_STATIC_VERSION, true);
wp_enqueue_style(self::OMGF_ADMIN_CSS_HANDLE, plugin_dir_url(OMGF_PLUGIN_FILE) . 'assets/css/omgf-admin.css', [], OMGF_STATIC_VERSION);
}
}
/**
* Add notice to admin screen.
*/
public function print_notices()
{
OMGF_Admin_Notice::print_notices();
}
/**
* @return OMGF_Admin_Settings_Optimize
*/
private function do_optimize_settings()
{
return new OMGF_Admin_Settings_Optimize();
}
/**
* @return OMGF_Admin_Settings_Detection
*/
private function do_detection_settings()
{
return new OMGF_Admin_Settings_Detection();
}
/**
* @return OMGF_Admin_Settings_Advanced
*/
private function do_advanced_settings()
{
return new OMGF_Admin_Settings_Advanced();
}
/**
* Add filters for Help section.
*
* @return OMGF_Admin_Settings_Help
*/
private function do_help()
{
return new OMGF_Admin_Settings_Help();
}
/**
* Checks if an update notice should be displayed after updating.
*/
private function maybe_do_after_update_notice()
{
if (version_compare(OMGF_CURRENT_DB_VERSION, OMGF_DB_VERSION, '<')) {
OMGF_Admin_Notice::set_notice(
sprintf(
__('Thank you for updating OMGF to v%s! This version contains database changes. Verify your settings and make sure everything is as you left it or, view the changelog for details. ', $this->plugin_text_domain),
OMGF_DB_VERSION,
admin_url(OMGF_Admin_Settings::OMGF_OPTIONS_GENERAL_PAGE_OPTIMIZE_WEBFONTS),
admin_url(OMGF_Admin_Settings::OMGF_PLUGINS_INSTALL_CHANGELOG_SECTION)
),
'omgf-post-update',
false
);
update_option(OMGF_Admin_Settings::OMGF_CURRENT_DB_VERSION, OMGF_DB_VERSION);
}
}
/**
* This fixes a bug where the admin screen wouldn't properly be updated after omgf_optimized_fonts
* was updated by the API.
*
* @param $old_value
* @param $value
*
* @return bool|array
*/
public function update_optimized_fonts($value, $old_value)
{
return $old_value;
}
/**
* Triggered when unload settings is changed, cleans up old cache files.
*
* TODO: Clean up doesn't work on 2nd run?
*
* @param $old_value
* @param $value
* @param $option_name
*/
public function clean_up_cache($value, $old_value)
{
if ($old_value == $value) {
return $value;
}
if ($old_value == null) {
return $value;
}
$cache_keys = explode(',', $old_value);
foreach ($cache_keys as $key) {
$entries = array_filter((array) glob(OMGF_FONTS_DIR . "/*$key"));
foreach ($entries as $entry) {
OMGF::delete($entry);
}
}
return $value;
}
/**
* Perform a few checks before saving the Cache Directory value to the database.
*
* @param mixed $new_dir
* @param mixed $old_dir
* @return mixed
*/
public function validate_cache_dir($new_dir, $old_dir)
{
$allowed_path = WP_CONTENT_DIR . $new_dir;
$mkdir = true;
if (!file_exists($allowed_path)) {
/**
* wp_mkdir_p() already does some simple checks for path traversal, but we check it again using realpath() later on anyway.
*/
$mkdir = wp_mkdir_p($allowed_path);
}
if (!$mkdir) {
OMGF_Admin_Notice::set_notice(sprintf(__('Something went wrong while trying to create OMGF\'s Cache Directory: %s. Setting wasn\'t updated.', $this->plugin_text_domain), $new_dir), 'omgf-create-cache-dir-failed', false, 'error');
return $old_dir;
}
$real_path = realpath($allowed_path);
if ($real_path != rtrim($allowed_path, '/')) {
OMGF_Admin_Notice::set_notice(__('OMGF\'s Cache Directory wasn\'t changed. Attempted path traversal.', $this->plugin_text_domain), 'omgf-attempted-path-traversal', false, 'error');
return $old_dir;
}
return $new_dir;
}
/**
* Shows notice if $option_name is in $show_notice array.
*
* @param $new_value
* @param $old_settings
*
* @see $show_notice
*
* @return mixed
*/
public function settings_changed($value, $option_name, $old_value)
{
if (!in_array($option_name, $this->show_notice)) {
return $value;
}
if ($value != $old_value) {
global $wp_settings_errors;
if (!empty($wp_settings_errors)) {
$wp_settings_errors = [];
}
add_settings_error(
'general',
'omgf_settings_changed',
sprintf(
__('Settings changed. Click here to empty OMGF\'s cache.', $this->plugin_text_domain),
wp_create_nonce(OMGF_Admin_Settings::OMGF_ADMIN_PAGE)
),
'success'
);
}
return $value;
}
}