<?php

require_once __DIR__ . '/admin.php';
require_once ABSPATH . 'wp-admin/includes/translation-install.php';
if (!current_user_can('manage_network_options')) {
    wp_die(__('Sorry, you are not allowed to access this page.'), 403);
}
$title = __('Network Settings');
$parent_file = 'settings.php';
if (!empty($_GET['network_admin_hash'])) {
    $new_admin_details = get_site_option('network_admin_hash');
    $redirect = 'settings.php?updated=false';
    if (is_array($new_admin_details) && hash_equals($new_admin_details['hash'], $_GET['network_admin_hash']) && !empty($new_admin_details['newemail'])) {
        update_site_option('admin_email', $new_admin_details['newemail']);
        delete_site_option('network_admin_hash');
        delete_site_option('new_admin_email');
        $redirect = 'settings.php?updated=true';
    }
    wp_redirect(network_admin_url($redirect));
    exit;
} elseif (!empty($_GET['dismiss']) && 'new_network_admin_email' === $_GET['dismiss']) {
    check_admin_referer('dismiss_new_network_admin_email');
    delete_site_option('network_admin_hash');
    delete_site_option('new_admin_email');
    wp_redirect(network_admin_url('settings.php?updated=true'));
    exit;
}
add_action('admin_head', 'network_settings_add_js');
get_current_screen()->add_help_tab(array('id' => 'overview', 'title' => __('Overview'), 'content' => '<p>' . __('This screen sets and changes options for the network as a whole. The first site is the main site in the network and network options are pulled from that original site&#8217;s options.') . '</p>' . '<p>' . __('Operational settings has fields for the network&#8217;s name and admin email.') . '</p>' . '<p>' . __('Registration settings can disable/enable public signups. If you let others sign up for a site, install spam plugins. Spaces, not commas, should separate names banned as sites for this network.') . '</p>' . '<p>' . __('New site settings are defaults applied when a new site is created in the network. These include welcome email for when a new site or user account is registered, and what&#8127;s put in the first post, page, comment, comment author, and comment URL.') . '</p>' . '<p>' . __('Upload settings control the size of the uploaded files and the amount of available upload space for each site. You can change the default value for specific sites when you edit a particular site. Allowed file types are also listed (space separated only).') . '</p>' . '<p>' . __('You can set the language, and the translation files will be automatically downloaded and installed (available if your filesystem is writable).') . '</p>' . '<p>' . __('Menu setting enables/disables the plugin menus from appearing for non super admins, so that only super admins, not site admins, have access to activate plugins.') . '</p>' . '<p>' . __('Super admins can no longer be added on the Options screen. You must now go to the list of existing users on Network Admin > Users and click on Username or the Edit action link below that name. This goes to an Edit User page where you can check a box to grant super admin privileges.') . '</p>'));
get_current_screen()->set_help_sidebar('<p><strong>' . __('For more information:') . '</strong></p>' . '<p>' . __('<a href="https://wordpress.org/support/article/network-admin-settings-screen/">Documentation on Network Settings</a>') . '</p>' . '<p>' . __('<a href="https://wordpress.org/support/">Support</a>') . '</p>');
if ($_POST) {
    do_action('wpmuadminedit');
    check_admin_referer('siteoptions');
    $checked_options = array('menu_items' => array(), 'registrationnotification' => 'no', 'upload_space_check_disabled' => 1, 'add_new_users' => 0);
    foreach ($checked_options as $option_name => $option_unchecked_value) {
        if (!isset($_POST[$option_name])) {
            $_POST[$option_name] = $option_unchecked_value;
        }
    }
    $options = array('registrationnotification', 'registration', 'add_new_users', 'menu_items', 'upload_space_check_disabled', 'blog_upload_space', 'upload_filetypes', 'site_name', 'first_post', 'first_page', 'first_comment', 'first_comment_url', 'first_comment_author', 'welcome_email', 'welcome_user_email', 'fileupload_maxk', 'global_terms_enabled', 'illegal_names', 'limited_email_domains', 'banned_email_domains', 'WPLANG', 'new_admin_email', 'first_comment_email');
    if (!empty($_POST['WPLANG']) && current_user_can('install_languages') && wp_can_install_language_pack()) {
        $language = wp_download_language_pack($_POST['WPLANG']);
        if ($language) {
            $_POST['WPLANG'] = $language;
        }
    }
    foreach ($options as $option_name) {
        if (!isset($_POST[$option_name])) {
            continue;
        }
        $value = wp_unslash($_POST[$option_name]);
        update_site_option($option_name, $value);
    }
    do_action('update_wpmu_options');
    wp_redirect(add_query_arg('updated', 'true', network_admin_url('settings.php')));
    exit;
}
require_once ABSPATH . 'wp-admin/admin-header.php';
if (isset($_GET['updated'])) {
    ?><div id="message" class="updated notice is-dismissible"><p><?php 
    _e('Settings saved.');
    ?></p></div>
	<?php 
}
?>

<div class="wrap">
	<h1><?php 
echo esc_html($title);
?></h1>
	<form method="post" action="settings.php" novalidate="novalidate">
		<?php 
wp_nonce_field('siteoptions');
?>
		<h2><?php 
_e('Operational Settings');
?></h2>
		<table class="form-table" role="presentation">
			<tr>
				<th scope="row"><label for="site_name"><?php 
_e('Network Title');
?></label></th>
				<td>
					<input name="site_name" type="text" id="site_name" class="regular-text" value="<?php 
echo esc_attr(get_network()->site_name);
?>" />
				</td>
			</tr>

			<tr>
				<th scope="row"><label for="admin_email"><?php 
_e('Network Admin Email');
?></label></th>
				<td>
					<input name="new_admin_email" type="email" id="admin_email" aria-describedby="admin-email-desc" class="regular-text" value="<?php 
echo esc_attr(get_site_option('admin_email'));
?>" />
					<p class="description" id="admin-email-desc">
						<?php 
_e('This address is used for admin purposes. If you change this, we will send you an email at your new address to confirm it. <strong>The new address will not become active until confirmed.</strong>');
?>
					</p>
					<?php 
$new_admin_email = get_site_option('new_admin_email');
if ($new_admin_email && get_site_option('admin_email') !== $new_admin_email) {
    ?>
						<div class="updated inline">
						<p>
						<?php 
    printf(__('There is a pending change of the network admin email to %s.'), '<code>' . esc_html($new_admin_email) . '</code>');
    printf(' <a href="%1$s">%2$s</a>', esc_url(wp_nonce_url(network_admin_url('settings.php?dismiss=new_network_admin_email'), 'dismiss_new_network_admin_email')), __('Cancel'));
    ?>
						</p>
						</div>
					<?php 
}
?>
				</td>
			</tr>
		</table>
		<h2><?php 
_e('Registration Settings');
?></h2>
		<table class="form-table" role="presentation">
			<tr>
				<th scope="row"><?php 
_e('Allow new registrations');
?></th>
				<?php 
if (!get_site_option('registration')) {
    update_site_option('registration', 'none');
}
$reg = get_site_option('registration');
?>
				<td>
					<fieldset>
					<legend class="screen-reader-text"><?php 
_e('New registrations settings');
?></legend>
					<label><input name="registration" type="radio" id="registration1" value="none"<?php 
checked($reg, 'none');
?> /> <?php 
_e('Registration is disabled');
?></label><br />
					<label><input name="registration" type="radio" id="registration2" value="user"<?php 
checked($reg, 'user');
?> /> <?php 
_e('User accounts may be registered');
?></label><br />
					<label><input name="registration" type="radio" id="registration3" value="blog"<?php 
checked($reg, 'blog');
?> /> <?php 
_e('Logged in users may register new sites');
?></label><br />
					<label><input name="registration" type="radio" id="registration4" value="all"<?php 
checked($reg, 'all');
?> /> <?php 
_e('Both sites and user accounts can be registered');
?></label>
					<?php 
if (is_subdomain_install()) {
    echo '<p class="description">';
    printf(__('If registration is disabled, please set %1$s in %2$s to a URL you will redirect visitors to if they visit a non-existent site.'), '<code>NOBLOGREDIRECT</code>', '<code>wp-config.php</code>');
    echo '</p>';
}
?>
					</fieldset>
				</td>
			</tr>

			<tr>
				<th scope="row"><?php 
_e('Registration notification');
?></th>
				<?php 
if (!get_site_option('registrationnotification')) {
    update_site_option('registrationnotification', 'yes');
}
?>
				<td>
					<label><input name="registrationnotification" type="checkbox" id="registrationnotification" value="yes"<?php 
checked(get_site_option('registrationnotification'), 'yes');
?> /> <?php 
_e('Send the network admin an email notification every time someone registers a site or user account');
?></label>
				</td>
			</tr>

			<tr id="addnewusers">
				<th scope="row"><?php 
_e('Add New Users');
?></th>
				<td>
					<label><input name="add_new_users" type="checkbox" id="add_new_users" value="1"<?php 
checked(get_site_option('add_new_users'));
?> /> <?php 
_e('Allow site administrators to add new users to their site via the "Users &rarr; Add New" page');
?></label>
				</td>
			</tr>

			<tr>
				<th scope="row"><label for="illegal_names"><?php 
_e('Banned Names');
?></label></th>
				<td>
					<input name="illegal_names" type="text" id="illegal_names" aria-describedby="illegal-names-desc" class="large-text" value="<?php 
echo esc_attr(implode(' ', (array) get_site_option('illegal_names')));
?>" size="45" />
					<p class="description" id="illegal-names-desc">
						<?php 
_e('Users are not allowed to register these sites. Separate names by spaces.');
?>
					</p>
				</td>
			</tr>

			<tr>
				<th scope="row"><label for="limited_email_domains"><?php 
_e('Limited Email Registrations');
?></label></th>
				<td>
					<?php 
$limited_email_domains = get_site_option('limited_email_domains');
$limited_email_domains = str_replace(' ', "\n", $limited_email_domains);
if ($limited_email_domains) {
    $limited_email_domains = implode("\n", (array) $limited_email_domains);
}
?>
					<textarea name="limited_email_domains" id="limited_email_domains" aria-describedby="limited-email-domains-desc" cols="45" rows="5">
<?php 
echo esc_textarea($limited_email_domains);
?></textarea>
					<p class="description" id="limited-email-domains-desc">
						<?php 
_e('If you want to limit site registrations to certain domains. One domain per line.');
?>
					</p>
				</td>
			</tr>

			<tr>
				<th scope="row"><label for="banned_email_domains"><?php 
_e('Banned Email Domains');
?></label></th>
				<td>
					<?php 
$banned_email_domains = get_site_option('banned_email_domains');
if ($banned_email_domains) {
    $banned_email_domains = implode("\n", (array) $banned_email_domains);
}
?>
					<textarea name="banned_email_domains" id="banned_email_domains" aria-describedby="banned-email-domains-desc" cols="45" rows="5">
<?php 
echo esc_textarea($banned_email_domains);
?></textarea>
					<p class="description" id="banned-email-domains-desc">
						<?php 
_e('If you want to ban domains from site registrations. One domain per line.');
?>
					</p>
				</td>
			</tr>

		</table>
		<h2><?php 
_e('New Site Settings');
?></h2>
		<table class="form-table" role="presentation">

			<tr>
				<th scope="row"><label for="welcome_email"><?php 
_e('Welcome Email');
?></label></th>
				<td>
					<textarea name="welcome_email" id="welcome_email" aria-describedby="welcome-email-desc" rows="5" cols="45" class="large-text">
<?php 
echo esc_textarea(get_site_option('welcome_email'));
?></textarea>
					<p class="description" id="welcome-email-desc">
						<?php 
_e('The welcome email sent to new site owners.');
?>
					</p>
				</td>
			</tr>
			<tr>
				<th scope="row"><label for="welcome_user_email"><?php 
_e('Welcome User Email');
?></label></th>
				<td>
					<textarea name="welcome_user_email" id="welcome_user_email" aria-describedby="welcome-user-email-desc" rows="5" cols="45" class="large-text">
<?php 
echo esc_textarea(get_site_option('welcome_user_email'));
?></textarea>
					<p class="description" id="welcome-user-email-desc">
						<?php 
_e('The welcome email sent to new users.');
?>
					</p>
				</td>
			</tr>
			<tr>
				<th scope="row"><label for="first_post"><?php 
_e('First Post');
?></label></th>
				<td>
					<textarea name="first_post" id="first_post" aria-describedby="first-post-desc" rows="5" cols="45" class="large-text">
<?php 
echo esc_textarea(get_site_option('first_post'));
?></textarea>
					<p class="description" id="first-post-desc">
						<?php 
_e('The first post on a new site.');
?>
					</p>
				</td>
			</tr>
			<tr>
				<th scope="row"><label for="first_page"><?php 
_e('First Page');
?></label></th>
				<td>
					<textarea name="first_page" id="first_page" aria-describedby="first-page-desc" rows="5" cols="45" class="large-text">
<?php 
echo esc_textarea(get_site_option('first_page'));
?></textarea>
					<p class="description" id="first-page-desc">
						<?php 
_e('The first page on a new site.');
?>
					</p>
				</td>
			</tr>
			<tr>
				<th scope="row"><label for="first_comment"><?php 
_e('First Comment');
?></label></th>
				<td>
					<textarea name="first_comment" id="first_comment" aria-describedby="first-comment-desc" rows="5" cols="45" class="large-text">
<?php 
echo esc_textarea(get_site_option('first_comment'));
?></textarea>
					<p class="description" id="first-comment-desc">
						<?php 
_e('The first comment on a new site.');
?>
					</p>
				</td>
			</tr>
			<tr>
				<th scope="row"><label for="first_comment_author"><?php 
_e('First Comment Author');
?></label></th>
				<td>
					<input type="text" size="40" name="first_comment_author" id="first_comment_author" aria-describedby="first-comment-author-desc" value="<?php 
echo esc_attr(get_site_option('first_comment_author'));
?>" />
					<p class="description" id="first-comment-author-desc">
						<?php 
_e('The author of the first comment on a new site.');
?>
					</p>
				</td>
			</tr>
			<tr>
				<th scope="row"><label for="first_comment_email"><?php 
_e('First Comment Email');
?></label></th>
				<td>
					<input type="text" size="40" name="first_comment_email" id="first_comment_email" aria-describedby="first-comment-email-desc" value="<?php 
echo esc_attr(get_site_option('first_comment_email'));
?>" />
					<p class="description" id="first-comment-email-desc">
						<?php 
_e('The email address of the first comment author on a new site.');
?>
					</p>
				</td>
			</tr>
			<tr>
				<th scope="row"><label for="first_comment_url"><?php 
_e('First Comment URL');
?></label></th>
				<td>
					<input type="text" size="40" name="first_comment_url" id="first_comment_url" aria-describedby="first-comment-url-desc" value="<?php 
echo esc_attr(get_site_option('first_comment_url'));
?>" />
					<p class="description" id="first-comment-url-desc">
						<?php 
_e('The URL for the first comment on a new site.');
?>
					</p>
				</td>
			</tr>
		</table>
		<h2><?php 
_e('Upload Settings');
?></h2>
		<table class="form-table" role="presentation">
			<tr>
				<th scope="row"><?php 
_e('Site upload space');
?></th>
				<td>
					<label><input type="checkbox" id="upload_space_check_disabled" name="upload_space_check_disabled" value="0"<?php 
checked((bool) get_site_option('upload_space_check_disabled'), false);
?>/>
						<?php 
printf(__('Limit total size of files uploaded to %s MB'), '</label><label><input name="blog_upload_space" type="number" min="0" style="width: 100px" id="blog_upload_space" aria-describedby="blog-upload-space-desc" value="' . esc_attr(get_site_option('blog_upload_space', 100)) . '" />');
?>
					</label><br />
					<p class="screen-reader-text" id="blog-upload-space-desc">
						<?php 
_e('Size in megabytes');
?>
					</p>
				</td>
			</tr>

			<tr>
				<th scope="row"><label for="upload_filetypes"><?php 
_e('Upload file types');
?></label></th>
				<td>
					<input name="upload_filetypes" type="text" id="upload_filetypes" aria-describedby="upload-filetypes-desc" class="large-text" value="<?php 
echo esc_attr(get_site_option('upload_filetypes', 'jpg jpeg png gif'));
?>" size="45" />
					<p class="description" id="upload-filetypes-desc">
						<?php 
_e('Allowed file types. Separate types by spaces.');
?>
					</p>
				</td>
			</tr>

			<tr>
				<th scope="row"><label for="fileupload_maxk"><?php 
_e('Max upload file size');
?></label></th>
				<td>
					<?php 
printf(__('%s KB'), '<input name="fileupload_maxk" type="number" min="0" style="width: 100px" id="fileupload_maxk" aria-describedby="fileupload-maxk-desc" value="' . esc_attr(get_site_option('fileupload_maxk', 300)) . '" />');
?>
					<p class="screen-reader-text" id="fileupload-maxk-desc">
						<?php 
_e('Size in kilobytes');
?>
					</p>
				</td>
			</tr>
		</table>

		<?php 
$languages = get_available_languages();
$translations = wp_get_available_translations();
if (!empty($languages) || !empty($translations)) {
    ?>
			<h2><?php 
    _e('Language Settings');
    ?></h2>
			<table class="form-table" role="presentation">
				<tr>
					<th><label for="WPLANG"><?php 
    _e('Default Language');
    ?><span class="dashicons dashicons-translation" aria-hidden="true"></span></label></th>
					<td>
						<?php 
    $lang = get_site_option('WPLANG');
    if (!in_array($lang, $languages, true)) {
        $lang = '';
    }
    wp_dropdown_languages(array('name' => 'WPLANG', 'id' => 'WPLANG', 'selected' => $lang, 'languages' => $languages, 'translations' => $translations, 'show_available_translations' => current_user_can('install_languages') && wp_can_install_language_pack()));
    ?>
					</td>
				</tr>
			</table>
			<?php 
}
?>

		<?php 
$menu_perms = get_site_option('menu_items');
$menu_items = apply_filters('mu_menu_items', array('plugins' => __('Plugins')));
if ($menu_items) {
    ?>
			<h2><?php 
    _e('Menu Settings');
    ?></h2>
			<table id="menu" class="form-table">
				<tr>
					<th scope="row"><?php 
    _e('Enable administration menus');
    ?></th>
					<td>
						<?php 
    echo '<fieldset><legend class="screen-reader-text">' . __('Enable menus') . '</legend>';
    foreach ((array) $menu_items as $key => $val) {
        echo "<label><input type='checkbox' name='menu_items[" . $key . "]' value='1'" . (isset($menu_perms[$key]) ? checked($menu_perms[$key], '1', false) : '') . ' /> ' . esc_html($val) . '</label><br/>';
    }
    echo '</fieldset>';
    ?>
					</td>
				</tr>
			</table>
			<?php 
}
?>

		<?php 
do_action('wpmu_options');
?>
		<?php 
submit_button();
?>
	</form>
</div>

<?php 
require_once ABSPATH . 'wp-admin/admin-footer.php';