File: //opt/wp-optimize/minify/class-wp-optimize-minify-admin.php
<?php
if (!defined('ABSPATH')) die('No direct access allowed');
class WP_Optimize_Minify_Admin {
private $wp_version_required = '4.5';
/**
* Initialize, add actions and filters
*
* @return void
*/
public function __construct() {
if (WPO_MINIFY_PHP_VERSION_MET) {
// exclude processing for editors and administrators (fix editors)
add_action('wp_optimize_admin_page_wpo_minify_status', array($this, 'check_permissions_admin_notices'));
}
add_action('wp_optimize_admin_page_wpo_minify_status', array($this, 'admin_notices_activation_errors'));
// run admin things
add_action('admin_init', array($this, 'admin_init'));
add_action('admin_enqueue_scripts', array($this, 'admin_enqueue_scripts'));
// This function runs when WordPress updates or installs/remove something. Forces new cache
add_action('upgrader_process_complete', array('WP_Optimize_Minify_Cache_Functions', 'cache_increment'));
add_action('after_switch_theme', array('WP_Optimize_Minify_Cache_Functions', 'cache_increment'));
add_action('wp_optimize_register_admin_content', array($this, 'register_content'));
}
/**
* Register the content
*
* @return void
*/
public function register_content() {
add_action('wp_optimize_admin_page_wpo_minify_status', array($this, 'output_status'), 20);
add_action('wp_optimize_admin_page_wpo_minify_settings', array($this, 'output_settings'), 20);
add_action('wp_optimize_admin_page_wpo_minify_advanced', array($this, 'output_advanced'), 20);
add_action('wp_optimize_admin_page_wpo_minify_font', array($this, 'output_font_settings'), 20);
add_action('wp_optimize_admin_page_wpo_minify_css', array($this, 'output_css_settings'), 20);
add_action('wp_optimize_admin_page_wpo_minify_js', array($this, 'output_js_settings'), 20);
}
/**
* Load scripts for controlling the admin pages
*
* @param string $hook
* @return void
*/
public function admin_enqueue_scripts($hook) {
$enqueue_version = (defined('WP_DEBUG') && WP_DEBUG) ? WPO_VERSION.'.'.time() : WPO_VERSION;
$min_or_not = (defined('SCRIPT_DEBUG') && SCRIPT_DEBUG) ? '' : '.min';
$min_or_not_internal = (defined('SCRIPT_DEBUG') && SCRIPT_DEBUG) ? '' : '-'. str_replace('.', '-', WPO_VERSION). '.min';
wp_enqueue_script(
'wp-optimize-minify-admin-purge',
WPO_PLUGIN_URL.'js/minify-admin-purge' . $min_or_not_internal . '.js',
array('jquery', 'wp-optimize-send-command'),
$enqueue_version
);
wp_localize_script('wp-optimize-minify-admin-purge', 'wp_optimize_ajax_nonce', wp_create_nonce('wp-optimize-ajax-nonce'));
if (preg_match('/wp\-optimize/i', $hook)) {
wp_enqueue_script('wp-optimize-min-js', WPO_PLUGIN_URL.'js/minify' . $min_or_not_internal . '.js', array('jquery', 'wp-optimize-admin-js'), $enqueue_version);
}
}
/**
* Admin init
*
* @return void
*/
public function admin_init() {
$wpo_minify_options = wp_optimize_minify_config()->get();
if ($wpo_minify_options['enabled'] && current_user_can('manage_options')) {
add_action('admin_bar_menu', array($this, 'admin_bar_menu'), 100);
}
}
/**
* Admin toolbar processing
*
* @return void
*/
public function admin_bar_menu() {
global $wp_admin_bar;
$wp_admin_bar->add_node(
array(
'parent' => 'wp-optimize-node',
'id' => 'purge_minify_cache',
'title' => __('Purge minify cache', 'wp-optimize'),
'href' => "#",
'meta' => array(
'class' => 'separator',
),
)
);
$wp_admin_bar->add_node(
array(
'id' => 'wpo-separator-minify',
'parent' => 'wp-optimize-node',
'meta' => array(
'class' => 'separator',
),
)
);
}
/**
* Conditionally runs upon the WP action admin_notices to display errors
*
* @return void
*/
public function admin_notices_activation_errors() {
global $wp_version;
include ABSPATH . WPINC . '/version.php';
$errors = array();
if (!WPO_MINIFY_PHP_VERSION_MET) {
$errors[] = sprintf(__('WP-Optimize Minify requires PHP 5.4 or higher. You’re using version %s.', 'wp-optimize'), PHP_VERSION);
}
if (!extension_loaded('mbstring')) {
$errors[] = __('WP-Optimize Minify requires the PHP mbstring module to be installed on the server; please ask your web hosting company for advice on how to enable it on your server.', 'wp-optimize');
}
if (version_compare($wp_version, $this->wp_version_required, '<')) {
$errors[] = sprintf(__('WP-Optimize Minify requires WordPress version %s or higher. You’re using version %s.', 'wp-optimize'), $this->wp_version_required, $wp_version);
}
foreach ($errors as $error) {
?>
<div class="notice notice-error wpo-warning">
<p><?php echo $error; ?></p>
</div>
<?php
}
}
/**
* Display an admin notice if the user has inadequate filesystem permissions
*
* @return void
*/
public function check_permissions_admin_notices() {
// get cache path
$cache_path = WP_Optimize_Minify_Cache_Functions::cache_path();
$cache_dir = $cache_path['cachedir'];
if (is_dir($cache_dir) && !is_writable($cache_dir)) {
$chmod = substr(sprintf('%o', fileperms($cache_dir)), -4);
?>
<div class="notice notice-error wpo-warning">
<p>
<?php printf(__('WP-Optimize Minify needs write permissions on the folder %s.', 'wp-optimize'), "<strong>".htmlspecialchars($cache_dir)."</strpmg>"); ?>
</p>
</div>
<div class="notice notice-error wpo-warning">
<p>
<?php printf(__('The current permissions for WP-Optimize Minify are chmod %s.', 'wp-optimize'), "<strong>$chmod</strong>"); ?>
</p>
</div>
<div class="notice notice-error wpo-warning">
<p>
<?php
printf(__('If you need something more than %s for it to work, then your server is probably misconfigured.', 'wp-optimize'), '<strong>775</strong>');
echo " ";
_e('Please contact your hosting provider.', 'wp-optimize');
?>
</p>
</div>
<?php
}
}
/**
* Minify - Outputs the status tab
*
* @return void
*/
public function output_status() {
$wpo_minify_options = wp_optimize_minify_config()->get();
$cache_path = WP_Optimize_Minify_Cache_Functions::cache_path();
WP_Optimize()->include_template(
'minify/status-tab.php',
false,
array(
'wpo_minify_options' => $wpo_minify_options,
'show_information_notice' => !get_user_meta(get_current_user_id(), 'wpo-hide-minify-information-notice', true),
'cache_dir' => $cache_path['cachedir']
)
);
}
/**
* Minify - Outputs the font settings tab
*
* @return void
*/
public function output_font_settings() {
$wpo_minify_options = wp_optimize_minify_config()->get();
WP_Optimize()->include_template(
'minify/font-settings-tab.php',
false,
array(
'wpo_minify_options' => $wpo_minify_options
)
);
}
/**
* Minify - Outputs the CSS settings tab
*
* @return void
*/
public function output_css_settings() {
$wpo_minify_options = wp_optimize_minify_config()->get();
WP_Optimize()->include_template(
'minify/css-settings-tab.php',
false,
array(
'wpo_minify_options' => $wpo_minify_options
)
);
}
/**
* Minify - Outputs the JS settings tab
*
* @return void
*/
public function output_js_settings() {
$wpo_minify_options = wp_optimize_minify_config()->get();
WP_Optimize()->include_template(
'minify/js-settings-tab.php',
false,
array(
'wpo_minify_options' => $wpo_minify_options
)
);
}
/**
* Minify - Outputs the settings tab
*
* @return void
*/
public function output_settings() {
$wpo_minify_options = wp_optimize_minify_config()->get();
$url = parse_url(get_home_url());
WP_Optimize()->include_template(
'minify/settings-tab.php',
false,
array(
'wpo_minify_options' => $wpo_minify_options,
'default_protocol' => $url['scheme']
)
);
}
/**
* Minify - Outputs the advanced tab
*
* @return void
*/
public function output_advanced() {
$wpo_minify_options = wp_optimize_minify_config()->get();
$files = false;
if (apply_filters('wpo_minify_status_show_files_on_load', true) && WPO_MINIFY_PHP_VERSION_MET) {
$files = WP_Optimize_Minify_Cache_Functions::get_cached_files();
}
WP_Optimize()->include_template(
'minify/advanced-tab.php',
false,
array(
'wpo_minify_options' => $wpo_minify_options,
'files' => $files
)
);
}
}