| 1 | <?php |
|---|
| 2 | /** |
|---|
| 3 | * WordPress user administration API. |
|---|
| 4 | * |
|---|
| 5 | * @package WordPress |
|---|
| 6 | * @subpackage Administration |
|---|
| 7 | */ |
|---|
| 8 | |
|---|
| 9 | /** |
|---|
| 10 | * Creates a new user from the "Users" form using $_POST information. |
|---|
| 11 | * |
|---|
| 12 | * @since 2.0 |
|---|
| 13 | * |
|---|
| 14 | * @return null|WP_Error|int Null when adding user, WP_Error or User ID integer when no parameters. |
|---|
| 15 | */ |
|---|
| 16 | function add_user() { |
|---|
| 17 | return edit_user(); |
|---|
| 18 | } |
|---|
| 19 | |
|---|
| 20 | /** |
|---|
| 21 | * Edit user settings based on contents of $_POST |
|---|
| 22 | * |
|---|
| 23 | * Used on user-edit.php and profile.php to manage and process user options, passwords etc. |
|---|
| 24 | * |
|---|
| 25 | * @since 2.0 |
|---|
| 26 | * |
|---|
| 27 | * @param int $user_id Optional. User ID. |
|---|
| 28 | * @return int user id of the updated user |
|---|
| 29 | */ |
|---|
| 30 | function edit_user( $user_id = 0 ) { |
|---|
| 31 | global $wp_roles, $wpdb; |
|---|
| 32 | $user = new stdClass; |
|---|
| 33 | if ( $user_id ) { |
|---|
| 34 | $update = true; |
|---|
| 35 | $user->ID = (int) $user_id; |
|---|
| 36 | $userdata = get_userdata( $user_id ); |
|---|
| 37 | $user->user_login = $wpdb->escape( $userdata->user_login ); |
|---|
| 38 | } else { |
|---|
| 39 | $update = false; |
|---|
| 40 | } |
|---|
| 41 | |
|---|
| 42 | if ( !$update && isset( $_POST['user_login'] ) ) |
|---|
| 43 | $user->user_login = sanitize_user($_POST['user_login'], true); |
|---|
| 44 | |
|---|
| 45 | $pass1 = $pass2 = ''; |
|---|
| 46 | if ( isset( $_POST['pass1'] )) |
|---|
| 47 | $pass1 = $_POST['pass1']; |
|---|
| 48 | if ( isset( $_POST['pass2'] )) |
|---|
| 49 | $pass2 = $_POST['pass2']; |
|---|
| 50 | |
|---|
| 51 | if ( isset( $_POST['role'] ) && current_user_can( 'edit_users' ) ) { |
|---|
| 52 | $new_role = sanitize_text_field( $_POST['role'] ); |
|---|
| 53 | $potential_role = isset($wp_roles->role_objects[$new_role]) ? $wp_roles->role_objects[$new_role] : false; |
|---|
| 54 | // Don't let anyone with 'edit_users' (admins) edit their own role to something without it. |
|---|
| 55 | // Multisite super admins can freely edit their blog roles -- they possess all caps. |
|---|
| 56 | if ( ( is_multisite() && current_user_can( 'manage_sites' ) ) || $user_id != get_current_user_id() || ($potential_role && $potential_role->has_cap( 'edit_users' ) ) ) |
|---|
| 57 | $user->role = $new_role; |
|---|
| 58 | |
|---|
| 59 | // If the new role isn't editable by the logged-in user die with error |
|---|
| 60 | $editable_roles = get_editable_roles(); |
|---|
| 61 | if ( ! empty( $new_role ) && empty( $editable_roles[$new_role] ) ) |
|---|
| 62 | wp_die(__('You can’t give users that role.')); |
|---|
| 63 | } |
|---|
| 64 | |
|---|
| 65 | if ( isset( $_POST['email'] )) |
|---|
| 66 | $user->user_email = sanitize_text_field( $_POST['email'] ); |
|---|
| 67 | if ( isset( $_POST['url'] ) ) { |
|---|
| 68 | if ( empty ( $_POST['url'] ) || $_POST['url'] == 'http://' ) { |
|---|
| 69 | $user->user_url = ''; |
|---|
| 70 | } else { |
|---|
| 71 | $user->user_url = esc_url_raw( $_POST['url'] ); |
|---|
| 72 | $protocols = implode( '|', array_map( 'preg_quote', wp_allowed_protocols() ) ); |
|---|
| 73 | $user->user_url = preg_match('/^(' . $protocols . '):/is', $user->user_url) ? $user->user_url : 'http://'.$user->user_url; |
|---|
| 74 | } |
|---|
| 75 | } |
|---|
| 76 | if ( isset( $_POST['first_name'] ) ) |
|---|
| 77 | $user->first_name = sanitize_text_field( $_POST['first_name'] ); |
|---|
| 78 | if ( isset( $_POST['last_name'] ) ) |
|---|
| 79 | $user->last_name = sanitize_text_field( $_POST['last_name'] ); |
|---|
| 80 | if ( isset( $_POST['nickname'] ) ) |
|---|
| 81 | $user->nickname = sanitize_text_field( $_POST['nickname'] ); |
|---|
| 82 | if ( isset( $_POST['display_name'] ) ) |
|---|
| 83 | $user->display_name = sanitize_text_field( $_POST['display_name'] ); |
|---|
| 84 | |
|---|
| 85 | if ( isset( $_POST['description'] ) ) |
|---|
| 86 | $user->description = trim( $_POST['description'] ); |
|---|
| 87 | |
|---|
| 88 | foreach ( _wp_get_user_contactmethods( $user ) as $method => $name ) { |
|---|
| 89 | if ( isset( $_POST[$method] )) |
|---|
| 90 | $user->$method = sanitize_text_field( $_POST[$method] ); |
|---|
| 91 | } |
|---|
| 92 | |
|---|
| 93 | if ( $update ) { |
|---|
| 94 | $user->rich_editing = isset( $_POST['rich_editing'] ) && 'false' == $_POST['rich_editing'] ? 'false' : 'true'; |
|---|
| 95 | $user->admin_color = isset( $_POST['admin_color'] ) ? sanitize_text_field( $_POST['admin_color'] ) : 'fresh'; |
|---|
| 96 | $user->show_admin_bar_front = isset( $_POST['admin_bar_front'] ) ? 'true' : 'false'; |
|---|
| 97 | } |
|---|
| 98 | |
|---|
| 99 | $user->comment_shortcuts = isset( $_POST['comment_shortcuts'] ) && 'true' == $_POST['comment_shortcuts'] ? 'true' : ''; |
|---|
| 100 | |
|---|
| 101 | $user->use_ssl = 0; |
|---|
| 102 | if ( !empty($_POST['use_ssl']) ) |
|---|
| 103 | $user->use_ssl = 1; |
|---|
| 104 | |
|---|
| 105 | $errors = new WP_Error(); |
|---|
| 106 | |
|---|
| 107 | /* checking that username has been typed */ |
|---|
| 108 | if ( $user->user_login == '' ) |
|---|
| 109 | $errors->add( 'user_login', __( '<strong>ERROR</strong>: Please enter a username.' )); |
|---|
| 110 | |
|---|
| 111 | /* checking the password has been typed twice */ |
|---|
| 112 | do_action_ref_array( 'check_passwords', array ( $user->user_login, & $pass1, & $pass2 )); |
|---|
| 113 | |
|---|
| 114 | if ( $update ) { |
|---|
| 115 | if ( empty($pass1) && !empty($pass2) ) |
|---|
| 116 | $errors->add( 'pass', __( '<strong>ERROR</strong>: You entered your new password only once.' ), array( 'form-field' => 'pass1' ) ); |
|---|
| 117 | elseif ( !empty($pass1) && empty($pass2) ) |
|---|
| 118 | $errors->add( 'pass', __( '<strong>ERROR</strong>: You entered your new password only once.' ), array( 'form-field' => 'pass2' ) ); |
|---|
| 119 | } else { |
|---|
| 120 | if ( empty($pass1) ) |
|---|
| 121 | $errors->add( 'pass', __( '<strong>ERROR</strong>: Please enter your password.' ), array( 'form-field' => 'pass1' ) ); |
|---|
| 122 | elseif ( empty($pass2) ) |
|---|
| 123 | $errors->add( 'pass', __( '<strong>ERROR</strong>: Please enter your password twice.' ), array( 'form-field' => 'pass2' ) ); |
|---|
| 124 | } |
|---|
| 125 | |
|---|
| 126 | /* Check for "\" in password */ |
|---|
| 127 | if ( false !== strpos( stripslashes($pass1), "\\" ) ) |
|---|
| 128 | $errors->add( 'pass', __( '<strong>ERROR</strong>: Passwords may not contain the character "\\".' ), array( 'form-field' => 'pass1' ) ); |
|---|
| 129 | |
|---|
| 130 | /* checking the password has been typed twice the same */ |
|---|
| 131 | if ( $pass1 != $pass2 ) |
|---|
| 132 | $errors->add( 'pass', __( '<strong>ERROR</strong>: Please enter the same password in the two password fields.' ), array( 'form-field' => 'pass1' ) ); |
|---|
| 133 | |
|---|
| 134 | if ( !empty( $pass1 ) ) |
|---|
| 135 | $user->user_pass = $pass1; |
|---|
| 136 | |
|---|
| 137 | if ( !$update && isset( $_POST['user_login'] ) && !validate_username( $_POST['user_login'] ) ) |
|---|
| 138 | $errors->add( 'user_login', __( '<strong>ERROR</strong>: This username is invalid because it uses illegal characters. Please enter a valid username.' )); |
|---|
| 139 | |
|---|
| 140 | if ( !$update && username_exists( $user->user_login ) ) |
|---|
| 141 | $errors->add( 'user_login', __( '<strong>ERROR</strong>: This username is already registered. Please choose another one.' )); |
|---|
| 142 | |
|---|
| 143 | /* checking e-mail address */ |
|---|
| 144 | if ( empty( $user->user_email ) ) { |
|---|
| 145 | $errors->add( 'empty_email', __( '<strong>ERROR</strong>: Please enter an e-mail address.' ), array( 'form-field' => 'email' ) ); |
|---|
| 146 | } elseif ( !is_email( $user->user_email ) ) { |
|---|
| 147 | $errors->add( 'invalid_email', __( '<strong>ERROR</strong>: The email address isn’t correct.' ), array( 'form-field' => 'email' ) ); |
|---|
| 148 | } elseif ( ( $owner_id = email_exists($user->user_email) ) && ( !$update || ( $owner_id != $user->ID ) ) ) { |
|---|
| 149 | $errors->add( 'email_exists', __('<strong>ERROR</strong>: This email is already registered, please choose another one.'), array( 'form-field' => 'email' ) ); |
|---|
| 150 | } |
|---|
| 151 | |
|---|
| 152 | // Allow plugins to return their own errors. |
|---|
| 153 | do_action_ref_array('user_profile_update_errors', array ( &$errors, $update, &$user ) ); |
|---|
| 154 | |
|---|
| 155 | if ( $errors->get_error_codes() ) |
|---|
| 156 | return $errors; |
|---|
| 157 | |
|---|
| 158 | if ( $update ) { |
|---|
| 159 | $user_id = wp_update_user( $user ); |
|---|
| 160 | } else { |
|---|
| 161 | $user_id = wp_insert_user( $user ); |
|---|
| 162 | wp_new_user_notification( $user_id, isset($_POST['send_password']) ? $pass1 : '' ); |
|---|
| 163 | } |
|---|
| 164 | return $user_id; |
|---|
| 165 | } |
|---|
| 166 | |
|---|
| 167 | /** |
|---|
| 168 | * Fetch a filtered list of user roles that the current user is |
|---|
| 169 | * allowed to edit. |
|---|
| 170 | * |
|---|
| 171 | * Simple function who's main purpose is to allow filtering of the |
|---|
| 172 | * list of roles in the $wp_roles object so that plugins can remove |
|---|
| 173 | * inappropriate ones depending on the situation or user making edits. |
|---|
| 174 | * Specifically because without filtering anyone with the edit_users |
|---|
| 175 | * capability can edit others to be administrators, even if they are |
|---|
| 176 | * only editors or authors. This filter allows admins to delegate |
|---|
| 177 | * user management. |
|---|
| 178 | * |
|---|
| 179 | * @since 2.8 |
|---|
| 180 | * |
|---|
| 181 | * @return unknown |
|---|
| 182 | */ |
|---|
| 183 | function get_editable_roles() { |
|---|
| 184 | global $wp_roles; |
|---|
| 185 | |
|---|
| 186 | $all_roles = $wp_roles->roles; |
|---|
| 187 | $editable_roles = apply_filters('editable_roles', $all_roles); |
|---|
| 188 | |
|---|
| 189 | return $editable_roles; |
|---|
| 190 | } |
|---|
| 191 | |
|---|
| 192 | /** |
|---|
| 193 | * Retrieve user data and filter it. |
|---|
| 194 | * |
|---|
| 195 | * @since 2.0.5 |
|---|
| 196 | * |
|---|
| 197 | * @param int $user_id User ID. |
|---|
| 198 | * @return object WP_User object with user data. |
|---|
| 199 | */ |
|---|
| 200 | function get_user_to_edit( $user_id ) { |
|---|
| 201 | $user = get_userdata( $user_id ); |
|---|
| 202 | |
|---|
| 203 | $user->filter = 'edit'; |
|---|
| 204 | |
|---|
| 205 | return $user; |
|---|
| 206 | } |
|---|
| 207 | |
|---|
| 208 | /** |
|---|
| 209 | * Retrieve the user's drafts. |
|---|
| 210 | * |
|---|
| 211 | * @since 2.0.0 |
|---|
| 212 | * |
|---|
| 213 | * @param int $user_id User ID. |
|---|
| 214 | * @return array |
|---|
| 215 | */ |
|---|
| 216 | function get_users_drafts( $user_id ) { |
|---|
| 217 | global $wpdb; |
|---|
| 218 | $query = $wpdb->prepare("SELECT ID, post_title FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'draft' AND post_author = %d ORDER BY post_modified DESC", $user_id); |
|---|
| 219 | $query = apply_filters('get_users_drafts', $query); |
|---|
| 220 | return $wpdb->get_results( $query ); |
|---|
| 221 | } |
|---|
| 222 | |
|---|
| 223 | /** |
|---|
| 224 | * Remove user and optionally reassign posts and links to another user. |
|---|
| 225 | * |
|---|
| 226 | * If the $reassign parameter is not assigned to an User ID, then all posts will |
|---|
| 227 | * be deleted of that user. The action 'delete_user' that is passed the User ID |
|---|
| 228 | * being deleted will be run after the posts are either reassigned or deleted. |
|---|
| 229 | * The user meta will also be deleted that are for that User ID. |
|---|
| 230 | * |
|---|
| 231 | * @since 2.0.0 |
|---|
| 232 | * |
|---|
| 233 | * @param int $id User ID. |
|---|
| 234 | * @param int $reassign Optional. Reassign posts and links to new User ID. |
|---|
| 235 | * @return bool True when finished. |
|---|
| 236 | */ |
|---|
| 237 | function wp_delete_user( $id, $reassign = 'novalue' ) { |
|---|
| 238 | global $wpdb; |
|---|
| 239 | |
|---|
| 240 | $id = (int) $id; |
|---|
| 241 | $user = new WP_User( $id ); |
|---|
| 242 | |
|---|
| 243 | // allow for transaction statement |
|---|
| 244 | do_action('delete_user', $id, $reassign); |
|---|
| 245 | |
|---|
| 246 | if ( 'novalue' === $reassign || null === $reassign ) { |
|---|
| 247 | $post_types_to_delete = array(); |
|---|
| 248 | foreach ( get_post_types( array(), 'objects' ) as $post_type ) { |
|---|
| 249 | if ( $post_type->delete_with_user ) { |
|---|
| 250 | $post_types_to_delete[] = $post_type->name; |
|---|
| 251 | } elseif ( null === $post_type->delete_with_user && post_type_supports( $post_type->name, 'author' ) ) { |
|---|
| 252 | $post_types_to_delete[] = $post_type->name; |
|---|
| 253 | } |
|---|
| 254 | } |
|---|
| 255 | |
|---|
| 256 | $post_types_to_delete = apply_filters( 'post_types_to_delete_with_user', $post_types_to_delete, $id ); |
|---|
| 257 | $post_types_to_delete = implode( "', '", $post_types_to_delete ); |
|---|
| 258 | $post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d AND post_type IN ('$post_types_to_delete')", $id ) ); |
|---|
| 259 | if ( $post_ids ) { |
|---|
| 260 | foreach ( $post_ids as $post_id ) |
|---|
| 261 | wp_delete_post( $post_id ); |
|---|
| 262 | } |
|---|
| 263 | |
|---|
| 264 | // Clean links |
|---|
| 265 | $link_ids = $wpdb->get_col( $wpdb->prepare("SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $id) ); |
|---|
| 266 | |
|---|
| 267 | if ( $link_ids ) { |
|---|
| 268 | foreach ( $link_ids as $link_id ) |
|---|
| 269 | wp_delete_link($link_id); |
|---|
| 270 | } |
|---|
| 271 | } else { |
|---|
| 272 | $reassign = (int) $reassign; |
|---|
| 273 | $post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d", $id ) ); |
|---|
| 274 | $wpdb->update( $wpdb->posts, array('post_author' => $reassign), array('post_author' => $id) ); |
|---|
| 275 | if ( ! empty( $post_ids ) ) { |
|---|
| 276 | foreach ( $post_ids as $post_id ) |
|---|
| 277 | clean_post_cache( $post_id ); |
|---|
| 278 | } |
|---|
| 279 | $link_ids = $wpdb->get_col( $wpdb->prepare("SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $id) ); |
|---|
| 280 | $wpdb->update( $wpdb->links, array('link_owner' => $reassign), array('link_owner' => $id) ); |
|---|
| 281 | if ( ! empty( $link_ids ) ) { |
|---|
| 282 | foreach ( $link_ids as $link_id ) |
|---|
| 283 | clean_bookmark_cache( $link_id ); |
|---|
| 284 | } |
|---|
| 285 | } |
|---|
| 286 | |
|---|
| 287 | // FINALLY, delete user |
|---|
| 288 | if ( is_multisite() ) { |
|---|
| 289 | remove_user_from_blog( $id, get_current_blog_id() ); |
|---|
| 290 | } else { |
|---|
| 291 | $meta = $wpdb->get_col( $wpdb->prepare( "SELECT umeta_id FROM $wpdb->usermeta WHERE user_id = %d", $id ) ); |
|---|
| 292 | foreach ( $meta as $mid ) |
|---|
| 293 | delete_metadata_by_mid( 'user', $mid ); |
|---|
| 294 | |
|---|
| 295 | $wpdb->delete( $wpdb->users, array( 'ID' => $id ) ); |
|---|
| 296 | } |
|---|
| 297 | |
|---|
| 298 | clean_user_cache( $user ); |
|---|
| 299 | |
|---|
| 300 | // allow for commit transaction |
|---|
| 301 | do_action('deleted_user', $id, $reassign); |
|---|
| 302 | |
|---|
| 303 | return true; |
|---|
| 304 | } |
|---|
| 305 | |
|---|
| 306 | /** |
|---|
| 307 | * Remove all capabilities from user. |
|---|
| 308 | * |
|---|
| 309 | * @since 2.1.0 |
|---|
| 310 | * |
|---|
| 311 | * @param int $id User ID. |
|---|
| 312 | */ |
|---|
| 313 | function wp_revoke_user($id) { |
|---|
| 314 | $id = (int) $id; |
|---|
| 315 | |
|---|
| 316 | $user = new WP_User($id); |
|---|
| 317 | $user->remove_all_caps(); |
|---|
| 318 | } |
|---|
| 319 | |
|---|
| 320 | add_action('admin_init', 'default_password_nag_handler'); |
|---|
| 321 | /** |
|---|
| 322 | * @since 2.8.0 |
|---|
| 323 | */ |
|---|
| 324 | function default_password_nag_handler($errors = false) { |
|---|
| 325 | global $user_ID; |
|---|
| 326 | if ( ! get_user_option('default_password_nag') ) //Short circuit it. |
|---|
| 327 | return; |
|---|
| 328 | |
|---|
| 329 | //get_user_setting = JS saved UI setting. else no-js-fallback code. |
|---|
| 330 | if ( 'hide' == get_user_setting('default_password_nag') || isset($_GET['default_password_nag']) && '0' == $_GET['default_password_nag'] ) { |
|---|
| 331 | delete_user_setting('default_password_nag'); |
|---|
| 332 | update_user_option($user_ID, 'default_password_nag', false, true); |
|---|
| 333 | } |
|---|
| 334 | } |
|---|
| 335 | |
|---|
| 336 | add_action('profile_update', 'default_password_nag_edit_user', 10, 2); |
|---|
| 337 | /** |
|---|
| 338 | * @since 2.8.0 |
|---|
| 339 | */ |
|---|
| 340 | function default_password_nag_edit_user($user_ID, $old_data) { |
|---|
| 341 | if ( ! get_user_option('default_password_nag', $user_ID) ) //Short circuit it. |
|---|
| 342 | return; |
|---|
| 343 | |
|---|
| 344 | $new_data = get_userdata($user_ID); |
|---|
| 345 | |
|---|
| 346 | if ( $new_data->user_pass != $old_data->user_pass ) { //Remove the nag if the password has been changed. |
|---|
| 347 | delete_user_setting('default_password_nag', $user_ID); |
|---|
| 348 | update_user_option($user_ID, 'default_password_nag', false, true); |
|---|
| 349 | } |
|---|
| 350 | } |
|---|
| 351 | |
|---|
| 352 | add_action('admin_notices', 'default_password_nag'); |
|---|
| 353 | /** |
|---|
| 354 | * @since 2.8.0 |
|---|
| 355 | */ |
|---|
| 356 | function default_password_nag() { |
|---|
| 357 | global $pagenow; |
|---|
| 358 | if ( 'profile.php' == $pagenow || ! get_user_option('default_password_nag') ) //Short circuit it. |
|---|
| 359 | return; |
|---|
| 360 | |
|---|
| 361 | echo '<div class="error default-password-nag">'; |
|---|
| 362 | echo '<p>'; |
|---|
| 363 | echo '<strong>' . __('Notice:') . '</strong> '; |
|---|
| 364 | _e('You’re using the auto-generated password for your account. Would you like to change it to something easier to remember?'); |
|---|
| 365 | echo '</p><p>'; |
|---|
| 366 | printf( '<a href="%s">' . __('Yes, take me to my profile page') . '</a> | ', get_edit_profile_url( get_current_user_id() ) . '#password' ); |
|---|
| 367 | printf( '<a href="%s" id="default-password-nag-no">' . __('No thanks, do not remind me again') . '</a>', '?default_password_nag=0' ); |
|---|
| 368 | echo '</p></div>'; |
|---|
| 369 | } |
|---|