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<?php |
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/** |
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* Shortcodes for use within posts and other shortcode-aware areas. |
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* |
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* @package Members |
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* @subpackage Includes |
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* @author The MemberPress Team |
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* @copyright Copyright (c) 2009 - 2018, The MemberPress Team |
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* @link https://members-plugin.com/ |
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* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html |
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*/ |
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if (!defined('ABSPATH')) { |
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die('You are not allowed to call this page directly.'); |
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} |
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|
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# Add shortcodes. |
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add_action( 'init', 'members_register_shortcodes' ); |
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|
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add_filter( 'login_redirect', 'members_login_redirect', 9, 3 ); |
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|
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/** |
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* Registers shortcodes. |
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* |
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* @since 0.2.0 |
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* @access public |
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* @return void |
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*/ |
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function members_register_shortcodes() { |
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|
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// Add the `[members_login_form]` shortcode. |
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add_shortcode( 'members_login_form', 'members_login_form_shortcode' ); |
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add_shortcode( 'login-form', 'members_login_form_shortcode' ); // @deprecated 1.0.0 |
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|
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// Add the `[members_access]` shortcode. |
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add_shortcode( 'members_access', 'members_access_check_shortcode' ); |
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add_shortcode( 'access', 'members_access_check_shortcode' ); // @deprecated 1.0.0 |
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|
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// Add the `[members_feed]` shortcode. |
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add_shortcode( 'members_feed', 'members_feed_shortcode' ); |
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add_shortcode( 'feed', 'members_feed_shortcode' ); // @deprecated 1.0.0 |
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|
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// Add the `[members_logged_in]` shortcode. |
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add_shortcode( 'members_logged_in', 'members_is_user_logged_in_shortcode' ); |
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add_shortcode( 'is_user_logged_in', 'members_is_user_logged_in_shortcode' ); // @deprecated 1.0.0 |
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|
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// Add the `[members_not_logged_in]` shortcode. |
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add_shortcode( 'members_not_logged_in', 'members_not_logged_in_shortcode' ); |
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|
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// @deprecated 0.2.0. |
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add_shortcode( 'get_avatar', 'members_get_avatar_shortcode' ); |
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add_shortcode( 'avatar', 'members_get_avatar_shortcode' ); |
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} |
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|
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/** |
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* Displays content if the user viewing it is currently logged in. This also blocks content |
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* from showing in feeds. |
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* |
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* @since 0.1.0 |
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* @access public |
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* @param array $attr |
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* @param string $content |
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* @return string |
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*/ |
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function members_is_user_logged_in_shortcode( $attr, $content = null ) { |
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|
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return is_feed() || ! is_user_logged_in() || is_null( $content ) ? '' : do_shortcode( $content ); |
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} |
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|
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/** |
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* Displays content if the user viewing it is not currently logged in. |
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* |
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* @since 2.0.0 |
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* @access public |
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* @param array $attr |
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* @param string $content |
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* @return string |
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*/ |
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function members_not_logged_in_shortcode( $attr, $content = null ) { |
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|
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return is_user_logged_in() || is_null( $content ) ? '' : do_shortcode( $content ); |
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} |
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|
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/** |
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* Content that should only be shown in feed readers. Can be useful for displaying |
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* feed-specific items. |
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* |
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* @since 0.1.0 |
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* @access public |
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* @param array $attr |
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* @param string $content |
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* @return string |
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*/ |
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function members_feed_shortcode( $attr, $content = null ) { |
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|
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return ! is_feed() || is_null( $content ) ? '' : do_shortcode( $content ); |
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} |
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|
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/** |
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* Provide/restrict access to specific roles or capabilities. This content should not be shown |
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* in feeds. Note that capabilities are checked first. If a capability matches, any roles |
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* added will *not* be checked. Users should choose between using either capabilities or roles |
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* for the check rather than both. The best option is to always use a capability. |
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* |
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* @since 0.1.0 |
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* @access public |
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* @param array $attr |
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* @param string $content |
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* @return string |
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*/ |
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function members_access_check_shortcode( $attr, $content = null ) { |
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|
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// If there's no content or if viewing a feed, return an empty string. |
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if ( is_null( $content ) || is_feed() ) |
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return ''; |
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|
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$user_can = false; |
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|
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// Set up the default attributes. |
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$defaults = array( |
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'capability' => '', // Single capability or comma-separated multiple capabilities. |
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'role' => '', // Single role or comma-separated multiple roles. |
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'user_id' => '', // Single user ID or comma-separated multiple IDs. |
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'user_name' => '', // Single user name or comma-separated multiple names. |
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'user_email' => '', // Single user email or comma-separated multiple emails. |
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'operator' => 'or' // Only the `!` operator is supported for now. Everything else falls back to `or`. |
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); |
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|
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// Merge the input attributes and the defaults. |
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$attr = shortcode_atts( $defaults, $attr, 'members_access' ); |
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|
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// Get the operator. |
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$operator = strtolower( $attr['operator'] ); |
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|
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// If the current user has the capability, show the content. |
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if ( $attr['capability'] ) { |
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|
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// Get the capabilities. |
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$caps = explode( ',', $attr['capability'] ); |
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|
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if ( '!' === $operator ) |
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return members_current_user_can_any( $caps ) ? '' : do_shortcode( $content ); |
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|
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return members_current_user_can_any( $caps ) ? do_shortcode( $content ) : ''; |
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} |
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|
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// If the current user has the role, show the content. |
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if ( $attr['role'] ) { |
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|
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// Get the roles. |
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$roles = explode( ',', $attr['role'] ); |
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|
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if ( '!' === $operator ) |
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return members_current_user_has_role( $roles ) ? '' : do_shortcode( $content ); |
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|
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return members_current_user_has_role( $roles ) ? do_shortcode( $content ) : ''; |
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} |
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|
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$user_id = 0; |
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$user_name = $user_email = ''; |
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|
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if ( is_user_logged_in() ) { |
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|
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$user = wp_get_current_user(); |
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$user_id = get_current_user_id(); |
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$user_name = $user->user_login; |
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$user_email = $user->user_email; |
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} |
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|
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// If the current user has one of the user ids. |
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if ( $attr['user_id'] ) { |
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|
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// Get the user IDs. |
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$ids = array_map( 'trim', explode( ',', $attr['user_id'] ) ); |
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|
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if ( '!' === $operator ) { |
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return in_array( $user_id, $ids ) ? '' : do_shortcode( $content ); |
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} |
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|
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return in_array( $user_id, $ids ) ? do_shortcode( $content ) : ''; |
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} |
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|
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// If the current user has one of the user names. |
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if ( $attr['user_name'] ) { |
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|
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// Get the user names. |
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$names = array_map( 'trim', explode( ',', $attr['user_name'] ) ); |
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|
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if ( '!' === $operator ) { |
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return in_array( $user_name, $names ) ? '' : do_shortcode( $content ); |
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} |
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|
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return in_array( $user_name, $names ) ? do_shortcode( $content ) : ''; |
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} |
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|
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// If the current user has one of the user emails. |
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if ( $attr['user_email'] ) { |
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|
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// Get the user emails. |
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$emails = array_map( 'trim', explode( ',', $attr['user_email'] ) ); |
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|
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if ( '!' === $operator ) { |
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return in_array( $user_email, $emails ) ? '' : do_shortcode( $content ); |
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} |
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|
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return in_array( $user_email, $emails ) ? do_shortcode( $content ) : ''; |
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} |
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|
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// Return an empty string if we've made it to this point. |
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return ''; |
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} |
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|
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/** |
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* Displays a login form. |
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* |
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* @since 0.1.0 |
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* @access public |
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* @param array $attr Shortcode attributes. |
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* @return string |
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*/ |
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function members_login_form_shortcode( $attr = [] ) { |
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// Default attributes |
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$defaults = array( |
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'echo' => false, |
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'redirect' => ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'], |
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); |
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|
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// Merge user attributes with defaults |
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$attr = shortcode_atts( $defaults, $attr, 'members_login_form' ); |
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|
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ob_start(); |
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if ( is_user_logged_in() ) { ?> |
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<div class="members-login-form"> |
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<p class="members-login-notice members-login-notice-success"> |
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<?php esc_html_e('You are already logged in.', 'members'); ?> |
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</p> |
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</div> |
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<style> |
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.members-login-notice { |
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display: block !important; |
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max-width: 320px; |
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padding: 10px; |
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background: #f1f1f1; |
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border-radius: 4px; |
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border-left: 3px solid #36d651; |
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font-size: 18px; |
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font-weight: 500; |
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} |
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</style> |
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<?php } else { |
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// Add the login_form_bottom filter only for this specific Members shortcode form |
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add_filter( 'login_form_bottom', 'members_login_form_bottom' ); |
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?> |
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<div class="members-login-form"> |
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<?php echo wp_login_form( $attr ); ?> |
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</div> |
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<?php |
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// Remove the filter after rendering to avoid affecting other login forms |
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remove_filter( 'login_form_bottom', 'members_login_form_bottom' ); |
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?> |
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<style> |
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.members-login-form * { |
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box-sizing: border-box; |
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} |
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.members-login-form label { |
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display: block; |
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margin-bottom: 4px; |
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font-size: 18px; |
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font-weight: 500; |
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} |
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.members-login-form input[type="text"], |
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.members-login-form input[type="password"] { |
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width: 100%; |
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max-width: 320px; |
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padding: 0.5rem 0.75rem; |
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border: 1px solid #64748b; |
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border-radius: 4px; |
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font-size: 16px; |
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} |
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.members-login-form input[type="submit"] { |
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width: 100%; |
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max-width: 320px; |
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padding: 0.75rem; |
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cursor: pointer; |
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background: #64748b; |
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border: 0; |
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border-radius: 4px; |
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color: #fff; |
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font-size: 16px; |
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font-weight: 500; |
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} |
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.members-logged-in input[type="submit"] { |
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pointer-events: none; |
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opacity: 0.4; |
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cursor: not-allowed; |
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} |
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.members-login-notice { |
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display: block !important; |
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max-width: 320px; |
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padding: 10px; |
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background: #f1f1f1; |
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border-radius: 4px; |
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border-left: 3px solid #36d651; |
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font-size: 18px; |
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font-weight: 500; |
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} |
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.members-login-error { |
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border-left-color: #d63638; |
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} |
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</style> |
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<?php |
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} |
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return ob_get_clean(); |
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} |
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|
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/** |
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* Filters the login redirect URL to send failed logins back to the |
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* referrer with a query arg of `login=failed`. |
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* Only applies to Members shortcode forms (verified via nonce). |
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* |
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* @since 3.2.18 |
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* |
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* @param string $redirect_to The redirect destination URL. |
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* @param string $request The request URL. |
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* @param object $user The user object. |
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* @return string The redirect URL. |
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*/ |
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function members_login_redirect( $redirect_to, $request, $user ) { |
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// Only handle redirects for Members shortcode forms (verified by nonce) |
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if ( ! isset( $_POST['members_login_nonce'] ) || |
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! wp_verify_nonce( $_POST['members_login_nonce'], 'members_login_form' ) ) { |
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return $redirect_to; |
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} elseif ( empty( $user ) || is_wp_error( $user ) ) { |
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// Start session if not already started |
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if (!session_id()) { |
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session_start(); |
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} |
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|
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// Get the referrer URL |
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$redirect_to = $_SERVER['HTTP_REFERER']; |
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|
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// If we have a WP_Error object, capture the error message |
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if (is_wp_error($user)) { |
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$error_code = $user->get_error_code(); |
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|
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if (empty(trim($error_code)) || $error_code == 'incorrect_password' || $error_code == 'invalid_username') { |
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// Don't store specific message, we'll use default in the display function |
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$_SESSION['members_login_error_message'] = __('Invalid username or password.', 'members'); |
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} else { |
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$_SESSION['members_login_error_message'] = $user->get_error_message(); |
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} |
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} |
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|
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// Add login=failed parameter |
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$redirect_to = add_query_arg('login', 'failed', $redirect_to); |
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|
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wp_redirect($redirect_to); |
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exit; |
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} else { |
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// On success, clear any error session data |
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if (!session_id()) { |
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session_start(); |
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} |
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if (isset($_SESSION['members_login_error_message'])) { |
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unset($_SESSION['members_login_error_message']); |
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} |
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|
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if (isset($_POST['redirect_to'])) { |
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return remove_query_arg('login', esc_url($_POST['redirect_to'])); |
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} |
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|
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// On success, return to the redirect_to URL |
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return remove_query_arg('login', $redirect_to); |
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} |
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} |
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|
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/** |
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* Filters the login form bottom output to add a nonce and error message if the login has failed. |
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* This is only added to Members shortcode forms, not all WordPress login forms. |
| 379 |
* |
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* @since 3.2.18 |
| 381 |
* |
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* @return string The HTML to output below the login form. |
| 383 |
*/ |
| 384 |
function members_login_form_bottom() { |
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// Start session if not already started |
| 386 |
if (!session_id()) { |
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session_start(); |
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} |
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|
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// Add a nonce to verify this is a Members shortcode submission |
| 391 |
$output = wp_nonce_field( 'members_login_form', 'members_login_nonce', true, false ); |
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|
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if ( isset( $_REQUEST['login'] ) && $_REQUEST['login'] == 'failed' ) { |
| 394 |
// Get error message from session |
| 395 |
if (isset($_SESSION['members_login_error_message']) && !empty($_SESSION['members_login_error_message'])) { |
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$error_message = $_SESSION['members_login_error_message']; |
| 397 |
} else { |
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// Default message if no specific error is found |
| 399 |
$error_message = __('Invalid username or password.', 'members'); |
| 400 |
} |
| 401 |
|
| 402 |
// Allow specific HTML tags in error messages |
| 403 |
$allowed_html = array( |
| 404 |
'a' => array( |
| 405 |
'href' => array(), |
| 406 |
'title' => array(), |
| 407 |
'target' => array(), |
| 408 |
'rel' => array(), |
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'class' => array(), |
| 410 |
), |
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'br' => array(), |
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'em' => array(), |
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'strong' => array(), |
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'p' => array('class' => array()), |
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'span' => array('class' => array()), |
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'div' => array('class' => array()), |
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); |
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|
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$output .= '<p class="members-login-notice members-login-error">' . wp_kses($error_message, $allowed_html) . '</p>'; |
| 420 |
} |
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|
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return $output; |
| 423 |
} |
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|
