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<?php |
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/** |
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* This file is part of the Subway WordPress Plugin Package. |
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* This file contains the class which handles the metabox of the plugin. |
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* |
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* (c) Joseph G <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* Props: Jasper Jardin |
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* |
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* PHP Version 5.4 |
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* |
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* @category Subway\Metabox |
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* @package Subway |
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* @author Joseph G. <[email protected]> |
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License |
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* @version GIT:github.com/codehaiku/subway |
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* @link github.com/codehaiku/subway The Plugin Repository |
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*/ |
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namespace Subway; |
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if ( ! defined( 'ABSPATH' ) ) { |
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return; |
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} |
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/** |
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* Subway Metabox methods. |
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* |
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* @category Subway\Metabox |
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* @package Subway |
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* @author Jasper J. <[email protected]> |
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License |
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* @link github.com/codehaiku/subway The Plugin Repository |
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* @since 2.0.9 |
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*/ |
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final class Metabox { |
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/** |
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* Subway visibility meta value, |
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* |
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* @since 2.0.9 |
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* @const string VISIBILITY_METAKEY |
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*/ |
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const VISIBILITY_METAKEY = 'subway_visibility_meta_key'; |
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/** |
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* Registers and update metabox with its intended method below. |
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* |
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* @since 2.0.9 |
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* @return void |
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*/ |
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public function __construct() { |
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add_action( 'add_meta_boxes', array( $this, 'addMetabox' ) ); |
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add_action( 'save_post', array( $this, 'saveMetaboxValues' ) ); |
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add_filter( 'the_content', array( $this, 'showContentToAllowedRoles' ) ); |
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return $this; |
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} |
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/** |
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* Initialize metabox |
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* |
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* @since 2.0.9 |
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* @access public |
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* @return void |
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*/ |
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public static function initMetabox() { |
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new Metabox(); |
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} |
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/** |
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* Initialize metabox |
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* |
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* @since 2.0.9 |
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* @access public |
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* @return void |
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*/ |
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public function addMetabox() { |
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$post_types = $this->getPostTypes(); |
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foreach ( $post_types as $post_type => $value ) { |
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add_meta_box( |
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'subway_visibility_metabox', |
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esc_html__( 'Subway: Visibility Option', 'subway' ), |
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array( $this, 'visibilityMetabox' ), |
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$post_type, |
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'side', |
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'high' |
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); |
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} |
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} |
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/** |
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* This method displays the Subway Visibility checkbox. |
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* |
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* @param object $post Contains data from the current post. |
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* |
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* @since 2.0.9 |
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* @access public |
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* @return void |
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*/ |
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public function visibilityMetabox( $post ) { |
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$howto = __( |
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'Choose the accessibility of this page from the options above.', |
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'subway' |
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); |
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$private_setting_label = __( 'Members Only', 'subway' ); |
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$is_post_private = self::isPostPrivate( $post->ID ); |
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// Make sure the form request comes from WordPress |
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wp_nonce_field( basename( __FILE__ ), 'subway_post_visibility_nonce' ); |
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// Disable the options (radio) when site is selected as public |
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?> |
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<input type="hidden" name="subway-visibility-form-submitted" value="1" /> |
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<?php if ( ! Options::isPublicSite() ) : ?> |
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<?php // Site is private. Give them some Beer! ?> |
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<p> |
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<label class="subway-visibility-settings-checkbox-label" for="subway-visibility-public"> |
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<input type="radio" class="subway-visibility-settings-radio" id="subway-visibility-public" name="subway-visibility-settings" value="public" <?php echo checked( false, $is_post_private, false ); ?>> |
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<?php esc_html_e( 'Public', 'subway' ) ?> |
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</label> |
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</p> |
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<p> |
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<label class="subway-visibility-settings-checkbox-label" for="subway-visibility-private"> |
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<input type="radio" class="subway-visibility-settings-radio" id="subway-visibility-private" name="subway-visibility-settings" |
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value="private" <?php echo checked( true, $is_post_private, false ); ?>> |
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<?php esc_html_e( 'Members Only', 'subway' ) ?> |
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</label> |
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</p> |
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<div id="subway-roles-access-visibility-fields" class="hidden"> |
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<dl> |
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<?php $post_allowed_user_roles = self::getAllowedUserRoles( $post->ID ); ?> |
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<?php $editable_roles = get_editable_roles(); ?> |
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<?php // Remove administrator for editable roles. ?> |
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<?php unset( $editable_roles['administrator'] ); ?> |
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<?php foreach ( $editable_roles as $role_name => $role_info ) { ?> |
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<dt> |
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<?php $id = 'subway-visibility-settings-user-role-' . esc_html( $role_name ); ?> |
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<label for="<?php echo esc_attr( $id ); ?>"> |
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<?php if ( is_array( $post_allowed_user_roles ) && in_array( $role_name, $post_allowed_user_roles ) ) { ?> |
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<?php $checked = 'checked'; ?> |
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<?php } else { ?> |
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<?php if ( false === $post_allowed_user_roles ) { ?> |
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<?php $checked = 'checked'; ?> |
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<?php } else { ?> |
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<?php $checked = ''; ?> |
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<?php } ?> |
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<?php } ?> |
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<input <?php echo esc_attr( $checked ); ?> id="<?php echo esc_attr( $id ); ?>" type="checkbox" |
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name="subway-visibility-settings-user-role[]" class="subway-visibility-settings-role-access" value="<?php echo esc_attr( $role_name ); ?>" /> |
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<?php echo esc_html( $role_info['name'] ); ?> |
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</label> |
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</dt> |
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<?php } ?> |
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<p class="howto"><?php echo esc_html_e( 'Uncheck the user roles that you do not want to have access to this content','subway' ); ?></p> |
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</dl> |
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</div> |
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<script> |
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jQuery(document).ready(function($){ |
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'use strict'; |
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if ( $('#subway-visibility-private').is(':checked') ) { |
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$('#subway-roles-access-visibility-fields').css('display', 'block'); |
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} |
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$('.subway-visibility-settings-radio').click(function(){ |
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$('#subway-roles-access-visibility-fields').css('display', 'none'); |
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if ( $('#subway-visibility-private').is(':checked') ) { |
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$('#subway-roles-access-visibility-fields').css('display', 'block'); |
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} |
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}); |
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}); |
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</script> |
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<p class="howto"><?php echo esc_html( $howto ); ?></p> |
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<?php else : ?> |
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<?php // Site is public! Explain to them ?> |
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<p><em> |
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<?php esc_html_e( 'You have chosen to make your site public inside Settings > Subway. Subway visibility options will be turned off.', 'subway' ); ?> |
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</em> |
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</p> |
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<?php endif; ?> |
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<?php |
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} |
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/** |
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* This method verify if nonce is valid then updates a post_meta. |
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* |
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* @param integer $post_id Contains ID of the current post. |
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* |
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* @since 2.0.9 |
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* @access public |
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* @return boolean false Returns false if nonce is not valid. |
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*/ |
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public function saveVisibilityMetabox( $post_id = '' ) { |
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if ( wp_is_post_autosave( $post_id ) ) { |
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return; |
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} |
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$is_form_submitted = filter_input( INPUT_POST, 'subway-visibility-form-submitted', FILTER_DEFAULT ); |
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if ( ! $is_form_submitted ) { |
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return; |
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} |
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$public_posts = Options::getPublicPostsIdentifiers(); |
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$posts_implode = ''; |
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$visibility_field = 'subway-visibility-settings'; |
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$visibility_nonce = filter_input( |
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INPUT_POST, 'subway_post_visibility_nonce', |
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FILTER_SANITIZE_STRING |
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); |
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$post_visibility = filter_input( INPUT_POST, $visibility_field, FILTER_SANITIZE_STRING ); |
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$is_valid_visibility_nonce = self::isNonceValid( $visibility_nonce ); |
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$allowed_roles = filter_input( INPUT_POST, 'subway-visibility-settings-user-role', FILTER_DEFAULT, FILTER_REQUIRE_ARRAY ); |
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// verify taxonomies meta box nonce |
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if ( false === $is_valid_visibility_nonce ) { |
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return; |
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} |
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if ( empty( $allowed_roles ) ) { |
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$allowed_roles = array(); |
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} |
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// Update user roles. |
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update_post_meta( $post_id, 'subway-visibility-settings-allowed-user-roles', $allowed_roles ); |
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if ( ! empty( $post_visibility ) ) { |
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if ( ! empty( $post_id ) ) { |
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if ( 'public' === $post_visibility ) { |
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if ( ! in_array( $post_id, $public_posts ) ) { |
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array_push( $public_posts, $post_id ); |
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} |
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} |
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if ( 'private' === $post_visibility ) { |
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if ( in_array( $post_id, $public_posts ) ) { |
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unset( $public_posts[ array_search( $post_id, $public_posts ) ] ); |
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} |
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} |
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} |
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} |
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if ( ! empty( $post_id ) ) { |
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$posts_implode = implode( ', ', $public_posts ); |
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if ( 'inherit' !== get_post_status( $post_id ) ) { |
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if ( true === $is_valid_visibility_nonce ) { |
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update_option( 'subway_public_post', $posts_implode ); |
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update_post_meta( |
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$post_id, |
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self::VISIBILITY_METAKEY, |
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$post_visibility |
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); |
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} |
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} |
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} |
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} |
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/** |
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* This method runs the methods that handles the update for a post_meta. |
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* |
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* @param integer $post_id Contains ID of the current post. |
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* |
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* @since 2.0.9 |
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* @access public |
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* @return boolean false Returns false if nonce is not valid. |
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*/ |
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public function saveMetaboxValues( $post_id ) { |
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$this->saveVisibilityMetabox( $post_id ); |
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return; |
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} |
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/** |
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* Initialize metabox arguments. |
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* |
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* @param array $args The arguments for the get_post_types(). |
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* @param string $output Your desired output for the data. |
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* |
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* @since 2.0.9 |
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* @access public |
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* @return void |
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*/ |
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public static function getPostTypes( $args = '', $output = '' ) { |
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if ( empty( $args ) ) { |
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$args = array( |
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'public' => true, |
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); |
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$output = 'names'; |
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} |
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$post_types = get_post_types( $args, $output ); |
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311
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|
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|
|
312
|
|
|
return $post_types; |
|
313
|
|
|
} |
|
314
|
|
|
|
|
315
|
|
|
/** |
|
316
|
|
|
* This method verify if nonce is valid. |
|
317
|
|
|
* |
|
318
|
|
|
* @param mixed $nonce the name of a metabox nonce. |
|
319
|
|
|
* |
|
320
|
|
|
* @since 2.0.9 |
|
321
|
|
|
* @access public |
|
322
|
|
|
* @return boolean true Returns true if nonce is valid. |
|
323
|
|
|
*/ |
|
324
|
|
|
public function isNonceValid( $nonce ) { |
|
325
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|
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|
|
326
|
|
|
if ( ! isset( $nonce ) || ! wp_verify_nonce( $nonce, basename( __FILE__ ) ) ) { |
|
327
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|
|
return; |
|
328
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|
|
} |
|
329
|
|
|
|
|
330
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|
|
return true; |
|
331
|
|
|
} |
|
332
|
|
|
|
|
333
|
|
|
/** |
|
334
|
|
|
* Checks if a post is set to private. |
|
335
|
|
|
* |
|
336
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|
|
* @param integer $post_id Contains ID of the current post. |
|
337
|
|
|
* |
|
338
|
|
|
* @since 2.0.9 |
|
339
|
|
|
* @access public |
|
340
|
|
|
* @return boolean true Returns true if post is private. Otherwise false. |
|
341
|
|
|
*/ |
|
342
|
|
|
public static function isPostPrivate( $post_id ) { |
|
343
|
|
|
|
|
344
|
|
|
$meta_value = ''; |
|
|
|
|
|
|
345
|
|
|
|
|
346
|
|
|
if ( ! empty( $post_id ) ) { |
|
347
|
|
|
$meta_value = get_post_meta( $post_id, self::VISIBILITY_METAKEY, true ); |
|
348
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|
|
|
|
349
|
|
|
// New page or old pages that don't have Subway'\ Visibility Options |
|
350
|
|
|
if ( empty( $meta_value ) ) { |
|
351
|
|
|
// Get the value from the general settings (Settings > Subway) |
|
352
|
|
|
$is_site_public = Options::isPublicSite(); |
|
353
|
|
|
if ( ! $is_site_public ) { |
|
354
|
|
|
// It's private. |
|
355
|
|
|
return true; |
|
356
|
|
|
} |
|
357
|
|
|
} |
|
358
|
|
|
if ( 'private' === $meta_value ) { |
|
359
|
|
|
return true; |
|
360
|
|
|
} |
|
361
|
|
|
} |
|
362
|
|
|
|
|
363
|
|
|
return false; |
|
364
|
|
|
} |
|
365
|
|
|
|
|
366
|
|
|
/** |
|
367
|
|
|
* Checks if a post is set to public. |
|
368
|
|
|
* |
|
369
|
|
|
* @param integer $post_id Contains ID of the current post. |
|
370
|
|
|
* |
|
371
|
|
|
* @since 2.0.9 |
|
372
|
|
|
* @access public |
|
373
|
|
|
* @return boolean true Returns true if post is public. Otherwise false. |
|
374
|
|
|
*/ |
|
375
|
|
|
public static function isPostPublic( $post_id ) { |
|
376
|
|
|
|
|
377
|
|
|
$public_post = Options::getPublicPostsIdentifiers(); |
|
378
|
|
|
|
|
379
|
|
|
if ( ! empty( $post_id ) ) { |
|
380
|
|
|
if ( ! in_array( $post_id, $public_post, true ) ) { |
|
381
|
|
|
return true; |
|
382
|
|
|
} |
|
383
|
|
|
} |
|
384
|
|
|
|
|
385
|
|
|
return false; |
|
386
|
|
|
} |
|
387
|
|
|
|
|
388
|
|
|
/** |
|
389
|
|
|
* Get the allowed users roles |
|
390
|
|
|
* |
|
391
|
|
|
* @param integer $post_id The post ID. |
|
392
|
|
|
* @return mixed Boolean false if metadata does not exists. Otherwise, return the array value of meta. |
|
393
|
|
|
*/ |
|
394
|
|
|
public static function getAllowedUserRoles( $post_id = 0 ) { |
|
395
|
|
|
|
|
396
|
|
|
$allowed_roles = array(); |
|
|
|
|
|
|
397
|
|
|
|
|
398
|
|
|
if ( ! empty( $post_id ) ) { |
|
399
|
|
|
|
|
400
|
|
|
// Check if metadata exists for the following post. |
|
401
|
|
|
if ( metadata_exists( 'post', $post_id, 'subway-visibility-settings-allowed-user-roles' ) ) { |
|
402
|
|
|
|
|
403
|
|
|
$allowed_roles = get_post_meta( $post_id, 'subway-visibility-settings-allowed-user-roles', true ); |
|
404
|
|
|
if ( ! is_null( $allowed_roles ) ) { |
|
405
|
|
|
return $allowed_roles; |
|
406
|
|
|
} |
|
407
|
|
|
return false; |
|
408
|
|
|
|
|
409
|
|
|
} else { |
|
410
|
|
|
return false; |
|
411
|
|
|
} |
|
412
|
|
|
|
|
413
|
|
|
} else { |
|
414
|
|
|
return false; |
|
415
|
|
|
} |
|
416
|
|
|
|
|
417
|
|
|
return $allowed_roles; |
|
|
|
|
|
|
418
|
|
|
} |
|
419
|
|
|
|
|
420
|
|
|
/** |
|
421
|
|
|
* Check if the current user has role for the current content. |
|
422
|
|
|
* |
|
423
|
|
|
* @param string $content The content of the post. |
|
424
|
|
|
* @return string The content of the post. |
|
425
|
|
|
*/ |
|
426
|
|
|
public function showContentToAllowedRoles( $content ) { |
|
427
|
|
|
|
|
428
|
|
|
$post_id = get_the_ID(); |
|
429
|
|
|
$allowed_user_roles = self::getAllowedUserRoles( $post_id ); |
|
430
|
|
|
|
|
431
|
|
|
if ( ! is_singular() && is_main_query() ) { |
|
432
|
|
|
return $content; |
|
433
|
|
|
} |
|
434
|
|
|
|
|
435
|
|
|
if ( is_user_logged_in() ) { |
|
436
|
|
|
|
|
437
|
|
|
$no_privilege = '<div class="subway-role-not-allowed"><p>' . apply_filters( 'subway-content-restricted-to-role', esc_html__( 'You do not have the right privilege or role to view this page.', 'subway' ) ) . '</p></div>'; |
|
438
|
|
|
|
|
439
|
|
|
// Restrict access to non admins only. |
|
440
|
|
|
if ( ! current_user_can( 'manage_options' ) ) { |
|
441
|
|
|
if ( ! self::currentUserCanViewPage( $post_id ) ) { |
|
442
|
|
|
return $no_privilege; |
|
443
|
|
|
} |
|
444
|
|
|
} |
|
445
|
|
|
|
|
446
|
|
|
// Return the content if the post is not yet saved. |
|
447
|
|
|
if ( false === $allowed_user_roles ) { |
|
448
|
|
|
return $content; |
|
449
|
|
|
} |
|
450
|
|
|
} |
|
451
|
|
|
|
|
452
|
|
|
return $content; |
|
453
|
|
|
|
|
454
|
|
|
} |
|
455
|
|
|
|
|
456
|
|
|
/** |
|
457
|
|
|
* Check to see if current user has a specific roles to view the page |
|
458
|
|
|
* |
|
459
|
|
|
* @return boolean True on success. Otherwise, false. |
|
460
|
|
|
*/ |
|
461
|
|
|
public function currentUserCanViewPage( $post_id = 0 ) { |
|
462
|
|
|
|
|
463
|
|
|
$allowed_roles = self::getAllowedUserRoles( $post_id ); |
|
464
|
|
|
|
|
465
|
|
|
// if $allowed_roles is not set, it means meta data is not yet available. |
|
466
|
|
|
// Post roles are checked but are not yet save. So allow viewing. |
|
467
|
|
|
if ( ! $allowed_roles ) { |
|
468
|
|
|
return true; |
|
469
|
|
|
} |
|
470
|
|
|
|
|
471
|
|
|
// Only check for logged-in users. |
|
472
|
|
|
if ( is_user_logged_in() ) { |
|
473
|
|
|
|
|
474
|
|
|
$can_view = false; |
|
475
|
|
|
|
|
476
|
|
|
$user = wp_get_current_user(); |
|
477
|
|
|
|
|
478
|
|
|
if ( ! is_array( $user->roles ) ) { |
|
479
|
|
|
$user->roles = (array) $user->roles; |
|
480
|
|
|
} |
|
481
|
|
|
|
|
482
|
|
|
if ( ! empty( $user->roles ) && is_array( $user->roles ) ) { |
|
483
|
|
|
foreach( $user->roles as $current_user_role ) { |
|
484
|
|
|
if ( in_array( $current_user_role, $allowed_roles ) ) { |
|
485
|
|
|
$can_view = true; |
|
486
|
|
|
} |
|
487
|
|
|
} |
|
488
|
|
|
} |
|
489
|
|
|
|
|
490
|
|
|
return $can_view; |
|
491
|
|
|
|
|
492
|
|
|
} |
|
493
|
|
|
|
|
494
|
|
|
return false; |
|
495
|
|
|
} |
|
496
|
|
|
|
|
497
|
|
|
} |
|
498
|
|
|
|
Adding a
@returnannotation to a constructor is not recommended, since a constructor does not have a meaningful return value.Please refer to the PHP core documentation on constructors.