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编辑当前文件:/home/soundframestudio/public_html/wp-content/plugins/maintenance/includes/admin.php

<?php
add_action('admin_menu', 'mtnc_admin_setup');

function mtnc_admin_setup()
{
    global  $mtnc_variable;
    $mtnc_variable->options_page = add_menu_page(__('Maintenance', 'maintenance'), __('Maintenance', 'maintenance'), 'manage_options', 'maintenance', 'mtnc_manage_options', MTNC_URI . 'images/icon-small.png?v2');

add_action('admin_init', 'mtnc_register_settings');
    add_action("admin_head-{$mtnc_variable->options_page}", 'mtnc_metaboxes_scripts');
    add_action("admin_print_styles-{$mtnc_variable->options_page}", 'mtnc_admin_print_custom_styles');
    add_action("load-{$mtnc_variable->options_page}", 'mtnc_page_add_meta_boxes');
    add_action('admin_enqueue_scripts', 'mtnc_load_later_scripts', 1);
    add_action('admin_enqueue_scripts', 'mtnc_codemirror_enqueue_scripts');
    add_action('admin_footer', 'mtnc_plugin_information', 1, 0);
}

function mtnc_plugin_dismiss_dialog()
{
    if (!wp_verify_nonce($_REQUEST['nonce'], "mtnc_dismiss_nonce")) {
        exit("Woof Woof Woof");
    }

$meta = get_option('maintenance_meta', array());

if (isset($_REQUEST['action']) && $_REQUEST['action'] == 'mtnc_dismiss_dialog') {
        $meta['mtnc_dismiss_dialog'] = true;

update_option('maintenance_meta', $meta);
    }

die();
}
add_action("wp_ajax_mtnc_dismiss_dialog", "mtnc_plugin_dismiss_dialog");
add_action('wp_ajax_mtnc_dismiss_notice', 'mtnc_ajax_dismiss_notice');

function mtnc_ajax_dismiss_notice()
{
    check_ajax_referer('maintenance_dismiss_notice');

if (!current_user_can('administrator')) {
        wp_send_json_error('You are not allowed to run this action.');
    }

$notice_name = trim(sanitize_text_field(@$_GET['notice_name']));
    $meta = get_option('maintenance_meta', array());

if ($notice_name != 'welcome') {
        wp_send_json_error('Unknown notice');
    } else {
        $meta['hide_welcome_pointer'] = true;
        update_option('maintenance_meta', $meta);
        wp_send_json_success();
    }
} // ajax_dismiss_notice

function mtnc_plugin_information()
{
    if (empty($_GET['fix-install-button']) || empty($_GET['tab']) || $_GET['tab'] != 'plugin-information') {
        return;
    }

echo '<script>';
    echo "jQuery('#plugin_install_from_iframe').on('click', function() { window.location.href = jQuery(this).attr('href'); return false;});";
    echo '</script>';
}

function mtnc_page_add_meta_boxes()
{
    global  $mtnc_variable;
    do_action('add_mt_meta_boxes', $mtnc_variable->options_page);
}

function mtnc_register_settings()
{

if (!empty($_POST['lib_options']) && check_admin_referer('mtnc_edit_post', 'mtnc_nonce')) {
        if (!isset($_POST['lib_options']['state'])) {
            $_POST['lib_options']['state'] = 0;
        } else {
            $_POST['lib_options']['state'] = 1;
        }

if (isset($_POST['lib_options']['htmlcss'])) {
            $_POST['lib_options']['htmlcss'] = wp_kses_stripslashes($_POST['lib_options']['htmlcss']);  // Allowed all tags as for WYSIWYG post content
        }

if (isset($_POST['lib_options'])) {
            $lib_options = sanitize_post(wp_unslash($_POST['lib_options']), 'db');
            $lib_options['default_settings'] = false;
            update_option('maintenance_options', $lib_options);
            MTNC::mtnc_clear_cache();
        }
    }
}

function mtnc_admin_print_custom_styles()
{
    if (function_exists('wp_enqueue_media')) {
        wp_enqueue_media();
    } else {
        wp_enqueue_script('media-upload');
        wp_enqueue_script('thickbox');
        wp_enqueue_style('thickbox');
    }

wp_enqueue_script('common');
    wp_enqueue_script('wp-lists');
    wp_enqueue_script('postbox');

wp_enqueue_style('plugin-install');
    wp_enqueue_script('plugin-install');

wp_enqueue_style('arvo', '//fonts.bunny.net/css?family=Open+Sans:400,300,600,700|Arvo:400,400italic,700,700italic');
    wp_enqueue_style('wp-color-picker');

wp_enqueue_script('uploads_', MTNC_URI . 'js/uploads_.min.js', 'jquery', filemtime(MTNC_DIR . 'js/uploads_.min.js'), '');
    wp_register_script('mtnc', MTNC_URI . 'js/init.js', array('wp-color-picker'), filemtime(MTNC_DIR . 'js/init.js'), true);

$cm_settings['codeEditor'] = wp_enqueue_code_editor(array('type' => 'text/css'));
    $meta                                 = get_option('maintenance_meta', array());
    $firstInstallDateTime             = date('Y-m-d H:i:s', $meta['first_install']);
    $firstInstallDateTimeTimeStamp     = (new DateTime($firstInstallDateTime))->add(new DateInterval('PT15M'))->getTimestamp();

$nonce = wp_create_nonce("mtnc_dismiss_nonce");
    $dismissDialogLink = admin_url('admin-ajax.php?action=mtnc_dismiss_dialog&nonce=' . $nonce);

$meta = get_option('maintenance_meta', array());
    $isDialogDismiss = isset($meta['mtnc_dismiss_dialog']) ? $meta['mtnc_dismiss_dialog'] : 0;
    $isDialogDismiss = 1;

wp_localize_script(
        'mtnc',
        'mtnc',
        array(
            'path' => MTNC_URI,
            'wpfssl_install_url' => add_query_arg(
                array(
                    'action' => 'mtnc_install_wpfssl',
                    '_wpnonce' => wp_create_nonce('install_wpfssl'),
                    'rnd' => rand()
                ),
                admin_url('admin.php')
            ),
            'weglot_install_url' => add_query_arg(
                array(
                    'action' => 'mtnc_install_weglot',
                    '_wpnonce' => wp_create_nonce('install_weglot'),
                    'rnd' => rand()
                ),
                admin_url('admin.php')
            ),
            'weglot_dialog_upsell_title' => '<img alt="' . esc_attr__('Weglot', 'maintenance') . '" title="' . esc_attr__('Weglot', 'maintenance') . '" src="' . MTNC_URI . 'images/weglot-logo-white.png' . '">',
            'cm_settings' =>  $cm_settings,
            'site_url' => home_url(),
            'first_install_date' => $firstInstallDateTimeTimeStamp,
            'dismiss_dialog_link' => $dismissDialogLink,
            'isDialogDismiss' => $isDialogDismiss
        )
    );

wp_enqueue_script('mtnc');
    wp_enqueue_style('maintenance', MTNC_URI . 'css/admin.css', '', filemtime(MTNC_DIR . 'css/admin.css'));

wp_enqueue_style('wp-jquery-ui-dialog');
    wp_enqueue_script('jquery-ui-dialog');

add_thickbox();

// fix for aggressive plugins that include their CSS on all pages
    wp_dequeue_style('uiStyleSheet');
    wp_dequeue_style('wpcufpnAdmin');
    wp_dequeue_style('unifStyleSheet');
    wp_dequeue_style('wpcufpn_codemirror');
    wp_dequeue_style('wpcufpn_codemirrorTheme');
    wp_dequeue_style('collapse-admin-css');
    wp_dequeue_style('jquery-ui-css');
    wp_dequeue_style('tribe-common-admin');
    wp_dequeue_style('file-manager__jquery-ui-css');
    wp_dequeue_style('file-manager__jquery-ui-css-theme');
    wp_dequeue_style('wpmegmaps-jqueryui');
    wp_dequeue_style('wp-botwatch-css');
}

function mtnc_codemirror_enqueue_scripts($hook)
{
    if ('toplevel_page_maintenance' !== $hook) {
        return;
    }

$cm_settings['codeEditor'] = wp_enqueue_code_editor(array('type' => 'text/css'));
    wp_localize_script('jquery', 'cm_settings', $cm_settings);

wp_enqueue_script('wp-theme-plugin-editor');
    wp_enqueue_style('wp-codemirror');
}

function mtnc_load_later_scripts($hook)
{
    $meta = get_option('maintenance_meta', array());
    if (empty($meta['hide_welcome_pointer']) && !mtnc_is_plugin_page() && current_user_can('administrator')) {
        $pointers['_nonce_dismiss_pointer'] = wp_create_nonce('maintenance_dismiss_notice');
        $pointers['welcome'] = array('target' => '#toplevel_page_maintenance', 'edge' => 'left', 'align' => 'right', 'content' => 'Thank you for installing the <b style="font-weight: 800;">Maintenance</b> plugin!<br>Open <a href="' . admin_url('admin.php?page=maintenance') . '">Maintenance</a> to access settings.');

wp_enqueue_style('wp-pointer');

wp_enqueue_script('wp-maintenance-pointers', MTNC_URI . 'js/pointers.js', array('jquery'), MTNC_VERSION, true);
        wp_enqueue_script('wp-pointer');
        wp_localize_script('wp-pointer', 'mtnc_pointers', $pointers);
    }

if ($hook !== 'toplevel_page_maintenance') {
        return;
    }

wp_enqueue_style('wp-jquery-ui-dialog');
    wp_enqueue_script('jquery-ui-core');
    wp_enqueue_script('jquery-ui-position');
    wp_enqueue_script('jquery-ui-dialog');

// fix a bug with WooCommerce 3.2.2
    wp_deregister_script('select2');
    wp_deregister_style('select2');
    wp_dequeue_script('select2');
    wp_dequeue_style('select2');
    wp_enqueue_script('select2', MTNC_URI . 'js/select2/select2.min.js', 'jquery', filemtime(MTNC_DIR . 'js/select2/select2.min.js'), '');
    wp_enqueue_style('select2', MTNC_URI . 'js/select2/select2.css', '', filemtime(MTNC_DIR . 'js/select2/select2.css'));

// fix for aggressive plugins
    wp_dequeue_style('uiStyleSheet');
    wp_dequeue_style('wpcufpnAdmin');
    wp_dequeue_style('unifStyleSheet');
    wp_dequeue_style('wpcufpn_codemirror');
    wp_dequeue_style('wpcufpn_codemirrorTheme');
    wp_dequeue_style('collapse-admin-css');
    wp_dequeue_style('jquery-ui-css');
    wp_dequeue_style('tribe-common-admin');
    wp_dequeue_style('file-manager__jquery-ui-css');
    wp_dequeue_style('file-manager__jquery-ui-css-theme');
    wp_dequeue_style('wpmegmaps-jqueryui');
    wp_dequeue_style('wp-botwatch-css');
}

function mtnc_manage_options()
{
    mtnc_generate_plugin_page();
}

function mtnc_generate_plugin_page()
{
    global  $mtnc_variable;
    $mt_option = mtnc_get_plugin_options(true);
    $date      = new DateTime();
?>

<div id="dialog-form-new-info" title="🚀 We're Rebuilding the Maintenance plugin! 🚀" style="display: none;">
        <p>Dear user!<br>We're super excited to tell you that we started working on the new version of the Maintenance plugin. <b>We want you to be a part of the journey!</b> We need your ideas, your input, your feedback! That's why we want to send you the new version before it's available to the public. Here's what we have planned;</p>
        <ul>
            <li>simpler & faster admin interface</li>
            <li>pre-built themes so you can work even faster</li>
            <li>easier access control via IPs, users, and secret links</li>
            <li>better cache handling so you never get stuck in maintenance mode</li>
        </ul>
        <hr>
        <p class="validateTips"></p>
        <form id="dialog-form-new-info-form">
            <fieldset>
                <label for="name">Name (*)</label>
                <input type="text" name="name" id="name" value="" placeholder="How shall we call you?" class="text ui-widget-content ui-corner-all" required>

<label for="email">Email (*)</label>
                <input type="text" name="email" id="email" value="" placeholder="Your best email address" class="text ui-widget-content ui-corner-all" required>

<span>
                    <i>We hate SPAM and never send it! And we won't share your email with anybody else.</i>
                </span>

<div class="buttons">
                    <a href="#" class="submit-new-dialog button button-primary">I want to be the first to know about the new plugin version</a>
                    <br>
                    <a href="#" class="dismiss-new-dialog"><small>I'm not interested</small></a>
                </div>
            </fieldset>
        </form>
    </div>

<div id="maintenance-options" class="wrap">
        <form method="post" action="" enctype="multipart/form-data" name="options-form">
            <?php wp_nonce_field('mtnc_edit_post', 'mtnc_nonce'); ?>
            <?php wp_nonce_field('meta-box-order', 'meta-box-order-nonce', false); ?>
            <?php wp_nonce_field('closedpostboxes', 'closedpostboxesnonce', false); ?>
            <div class="postbox-container header-container column-1 normal">
                <h1><img src="<?php echo esc_url(MTNC_URI); ?>images/wp-maintenance-logo.png" class="logo-image" title="Maintenance" alt="Maintenance">
                    <p class="submit"><input type="checkbox" id="state" name="lib_options[state]" <?php checked($mt_option['state'], 1); ?> /> <a href="<?php echo esc_url(home_url('?maintenance-preview')); ?>" target="_blank" class="button">Preview</a>    <input type="submit" name="submit" id="submit" class="button button-primary" value="Save Changes"></p>
                </h1>

</div>
            <div class="clear"></div>
            <div id="poststuff">
                <div class="metabox-holder">
                    <div id="all-fileds" class="postbox-container column-1 normal">

<?php do_meta_boxes($mtnc_variable->options_page, 'normal', null); ?>
                        <?php do_meta_boxes($mtnc_variable->options_page, 'advanced', null); ?>

</div>

<div id="promo" class="postbox-container column-2 normal">
                        <?php do_meta_boxes($mtnc_variable->options_page, 'side', null); ?>
                    </div>

</div>
            </div>
        </form>
    </div>
<?php
    global $mtnc;
    mtnc_wp_kses($mtnc->pro_dialog());
}