1<?php
2/**
3 * WordPress Ajax Process Execution
4 *
5 * @package WordPress
6 * @subpackage Administration
7 *
8 * @link https://developer.wordpress.org/plugins/javascript/ajax
9 */
10
11/**
12 * Executing Ajax process.
13 *
14 * @since 2.1.0
15 */
16define( 'DOING_AJAX', true );
17if ( ! defined( 'WP_ADMIN' ) ) {
18 define( 'WP_ADMIN', true );
19}
20
21/** Load WordPress Bootstrap */
22require_once dirname( __DIR__ ) . '/wp-load.php';
23
24/** Allow for cross-domain requests (from the front end). */
25send_origin_headers();
26
27header( 'Content-Type: text/html; charset=' . get_option( 'blog_charset' ) );
28header( 'X-Robots-Tag: noindex' );
29
30// Require a valid action parameter.
31if ( empty( $_REQUEST['action'] ) || ! is_scalar( $_REQUEST['action'] ) ) {
32 wp_die( '0', 400 );
33}
34
35/** Load WordPress Administration APIs */
36require_once ABSPATH . 'wp-admin/includes/admin.php';
37
38/** Load Ajax Handlers for WordPress Core */
39require_once ABSPATH . 'wp-admin/includes/ajax-actions.php';
40
41send_nosniff_header();
42nocache_headers();
43
44/** This action is documented in wp-admin/admin.php */
45do_action( 'admin_init' );
46
47$core_actions_get = array(
48 'fetch-list',
49 'ajax-tag-search',
50 'wp-compression-test',
51 'imgedit-preview',
52 'oembed-cache',
53 'autocomplete-user',
54 'dashboard-widgets',
55 'logged-in',
56 'rest-nonce',
57);
58
59$core_actions_post = array(
60 'oembed-cache',
61 'image-editor',
62 'delete-comment',
63 'delete-tag',
64 'delete-link',
65 'delete-meta',
66 'delete-post',
67 'trash-post',
68 'untrash-post',
69 'delete-page',
70 'dim-comment',
71 'add-link-category',
72 'add-tag',
73 'get-tagcloud',
74 'get-comments',
75 'replyto-comment',
76 'edit-comment',
77 'add-menu-item',
78 'add-meta',
79 'add-user',
80 'closed-postboxes',
81 'hidden-columns',
82 'update-welcome-panel',
83 'menu-get-metabox',
84 'wp-link-ajax',
85 'menu-locations-save',
86 'menu-quick-search',
87 'meta-box-order',
88 'get-permalink',
89 'sample-permalink',
90 'inline-save',
91 'inline-save-tax',
92 'find_posts',
93 'widgets-order',
94 'save-widget',
95 'delete-inactive-widgets',
96 'set-post-thumbnail',
97 'date_format',
98 'time_format',
99 'wp-remove-post-lock',
100 'dismiss-wp-pointer',
101 'upload-attachment',
102 'get-attachment',
103 'query-attachments',
104 'save-attachment',
105 'save-attachment-compat',
106 'send-link-to-editor',
107 'send-attachment-to-editor',
108 'save-attachment-order',
109 'media-create-image-subsizes',
110 'heartbeat',
111 'get-revision-diffs',
112 'save-user-color-scheme',
113 'update-widget',
114 'query-themes',
115 'parse-embed',
116 'set-attachment-thumbnail',
117 'parse-media-shortcode',
118 'destroy-sessions',
119 'install-plugin',
120 'activate-plugin',
121 'update-plugin',
122 'crop-image',
123 'generate-password',
124 'save-wporg-username',
125 'delete-plugin',
126 'search-plugins',
127 'search-install-plugins',
128 'activate-plugin',
129 'update-theme',
130 'delete-theme',
131 'install-theme',
132 'get-post-thumbnail-html',
133 'get-community-events',
134 'edit-theme-plugin-file',
135 'wp-privacy-export-personal-data',
136 'wp-privacy-erase-personal-data',
137 'health-check-site-status-result',
138 'health-check-dotorg-communication',
139 'health-check-is-in-debug-mode',
140 'health-check-background-updates',
141 'health-check-loopback-requests',
142 'health-check-get-sizes',
143 'toggle-auto-updates',
144 'send-password-reset',
145);
146
147// Deprecated.
148$core_actions_post_deprecated = array(
149 'wp-fullscreen-save-post',
150 'press-this-save-post',
151 'press-this-add-category',
152 'health-check-dotorg-communication',
153 'health-check-is-in-debug-mode',
154 'health-check-background-updates',
155 'health-check-loopback-requests',
156);
157
158$core_actions_post = array_merge( $core_actions_post, $core_actions_post_deprecated );
159
160// Register core Ajax calls.
161if ( ! empty( $_GET['action'] ) && in_array( $_GET['action'], $core_actions_get, true ) ) {
162 add_action( 'wp_ajax_' . $_GET['action'], 'wp_ajax_' . str_replace( '-', '_', $_GET['action'] ), 1 );
163}
164
165if ( ! empty( $_POST['action'] ) && in_array( $_POST['action'], $core_actions_post, true ) ) {
166 add_action( 'wp_ajax_' . $_POST['action'], 'wp_ajax_' . str_replace( '-', '_', $_POST['action'] ), 1 );
167}
168
169add_action( 'wp_ajax_nopriv_generate-password', 'wp_ajax_nopriv_generate_password' );
170
171add_action( 'wp_ajax_nopriv_heartbeat', 'wp_ajax_nopriv_heartbeat', 1 );
172
173// Register Plugin Dependencies Ajax calls.
174add_action( 'wp_ajax_check_plugin_dependencies', array( 'WP_Plugin_Dependencies', 'check_plugin_dependencies_during_ajax' ) );
175
176$action = $_REQUEST['action'];
177
178if ( is_user_logged_in() ) {
179 // If no action is registered, return a Bad Request response.
180 if ( ! has_action( "wp_ajax_{$action}" ) ) {
181 wp_die( '0', 400 );
182 }
183
184 /**
185 * Fires authenticated Ajax actions for logged-in users.
186 *
187 * The dynamic portion of the hook name, `$action`, refers
188 * to the name of the Ajax action callback being fired.
189 *
190 * @since 2.1.0
191 */
192 do_action( "wp_ajax_{$action}" );
193} else {
194 // If no action is registered, return a Bad Request response.
195 if ( ! has_action( "wp_ajax_nopriv_{$action}" ) ) {
196 wp_die( '0', 400 );
197 }
198
199 /**
200 * Fires non-authenticated Ajax actions for logged-out users.
201 *
202 * The dynamic portion of the hook name, `$action`, refers
203 * to the name of the Ajax action callback being fired.
204 *
205 * @since 2.8.0
206 */
207 do_action( "wp_ajax_nopriv_{$action}" );
208}
209
210// Default status.
211wp_die( '0' );
212