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1 <?php 2 /** 3 * Multisite administration functions. 4 * 5 * @package WordPress 6 * @subpackage Multisite 7 * @since 3.0.0 8 */ 9 10 /** 11 * Determine if uploaded file exceeds space quota. 12 * 13 * @since 3.0.0 14 * 15 * @param array $file An element from the `$_FILES` array for a given file. 16 * @return array The `$_FILES` array element with 'error' key set if file exceeds quota. 'error' is empty otherwise. 17 */ 18 function check_upload_size( $file ) { 19 if ( get_site_option( 'upload_space_check_disabled' ) ) { 20 return $file; 21 } 22 23 if ( $file['error'] > 0 ) { // There's already an error. 24 return $file; 25 } 26 27 if ( defined( 'WP_IMPORTING' ) ) { 28 return $file; 29 } 30 31 $space_left = get_upload_space_available(); 32 33 $file_size = filesize( $file['tmp_name'] ); 34 if ( $space_left < $file_size ) { 35 /* translators: %s: Required disk space in kilobytes. */ 36 $file['error'] = sprintf( __( 'Not enough space to upload. %s KB needed.' ), number_format( ( $file_size - $space_left ) / KB_IN_BYTES ) ); 37 } 38 39 if ( $file_size > ( KB_IN_BYTES * get_site_option( 'fileupload_maxk', 1500 ) ) ) { 40 /* translators: %s: Maximum allowed file size in kilobytes. */ 41 $file['error'] = sprintf( __( 'This file is too big. Files must be less than %s KB in size.' ), get_site_option( 'fileupload_maxk', 1500 ) ); 42 } 43 44 if ( upload_is_user_over_quota( false ) ) { 45 $file['error'] = __( 'You have used your space quota. Please delete files before uploading.' ); 46 } 47 48 if ( $file['error'] > 0 && ! isset( $_POST['html-upload'] ) && ! wp_doing_ajax() ) { 49 wp_die( $file['error'] . ' <a href="javascript:history.go(-1)">' . __( 'Back' ) . '</a>' ); 50 } 51 52 return $file; 53 } 54 55 /** 56 * Delete a site. 57 * 58 * @since 3.0.0 59 * @since 5.1.0 Use wp_delete_site() internally to delete the site row from the database. 60 * 61 * @global wpdb $wpdb WordPress database abstraction object. 62 * 63 * @param int $blog_id Site ID. 64 * @param bool $drop True if site's database tables should be dropped. Default false. 65 */ 66 function wpmu_delete_blog( $blog_id, $drop = false ) { 67 global $wpdb; 68 69 $blog_id = (int) $blog_id; 70 71 $switch = false; 72 if ( get_current_blog_id() !== $blog_id ) { 73 $switch = true; 74 switch_to_blog( $blog_id ); 75 } 76 77 $blog = get_site( $blog_id ); 78 79 $current_network = get_network(); 80 81 // If a full blog object is not available, do not destroy anything. 82 if ( $drop && ! $blog ) { 83 $drop = false; 84 } 85 86 // Don't destroy the initial, main, or root blog. 87 if ( $drop 88 && ( 1 === $blog_id || is_main_site( $blog_id ) 89 || ( $blog->path === $current_network->path && $blog->domain === $current_network->domain ) ) 90 ) { 91 $drop = false; 92 } 93 94 $upload_path = trim( get_option( 'upload_path' ) ); 95 96 // If ms_files_rewriting is enabled and upload_path is empty, wp_upload_dir is not reliable. 97 if ( $drop && get_site_option( 'ms_files_rewriting' ) && empty( $upload_path ) ) { 98 $drop = false; 99 } 100 101 if ( $drop ) { 102 wp_delete_site( $blog_id ); 103 } else { 104 /** This action is documented in wp-includes/ms-blogs.php */ 105 do_action_deprecated( 'delete_blog', array( $blog_id, false ), '5.1.0' ); 106 107 $users = get_users( 108 array( 109 'blog_id' => $blog_id, 110 'fields' => 'ids', 111 ) 112 ); 113 114 // Remove users from this blog. 115 if ( ! empty( $users ) ) { 116 foreach ( $users as $user_id ) { 117 remove_user_from_blog( $user_id, $blog_id ); 118 } 119 } 120 121 update_blog_status( $blog_id, 'deleted', 1 ); 122 123 /** This action is documented in wp-includes/ms-blogs.php */ 124 do_action_deprecated( 'deleted_blog', array( $blog_id, false ), '5.1.0' ); 125 } 126 127 if ( $switch ) { 128 restore_current_blog(); 129 } 130 } 131 132 /** 133 * Delete a user from the network and remove from all sites. 134 * 135 * @since 3.0.0 136 * 137 * @todo Merge with wp_delete_user()? 138 * 139 * @global wpdb $wpdb WordPress database abstraction object. 140 * 141 * @param int $id The user ID. 142 * @return bool True if the user was deleted, otherwise false. 143 */ 144 function wpmu_delete_user( $id ) { 145 global $wpdb; 146 147 if ( ! is_numeric( $id ) ) { 148 return false; 149 } 150 151 $id = (int) $id; 152 $user = new WP_User( $id ); 153 154 if ( ! $user->exists() ) { 155 return false; 156 } 157 158 // Global super-administrators are protected, and cannot be deleted. 159 $_super_admins = get_super_admins(); 160 if ( in_array( $user->user_login, $_super_admins, true ) ) { 161 return false; 162 } 163 164 /** 165 * Fires before a user is deleted from the network. 166 * 167 * @since MU (3.0.0) 168 * @since 5.5.0 Added the `$user` parameter. 169 * 170 * @param int $id ID of the user about to be deleted from the network. 171 * @param WP_User $user WP_User object of the user about to be deleted from the network. 172 */ 173 do_action( 'wpmu_delete_user', $id, $user ); 174 175 $blogs = get_blogs_of_user( $id ); 176 177 if ( ! empty( $blogs ) ) { 178 foreach ( $blogs as $blog ) { 179 switch_to_blog( $blog->userblog_id ); 180 remove_user_from_blog( $id, $blog->userblog_id ); 181 182 $post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d", $id ) ); 183 foreach ( (array) $post_ids as $post_id ) { 184 wp_delete_post( $post_id ); 185 } 186 187 // Clean links. 188 $link_ids = $wpdb->get_col( $wpdb->prepare( "SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $id ) ); 189 190 if ( $link_ids ) { 191 foreach ( $link_ids as $link_id ) { 192 wp_delete_link( $link_id ); 193 } 194 } 195 196 restore_current_blog(); 197 } 198 } 199 200 $meta = $wpdb->get_col( $wpdb->prepare( "SELECT umeta_id FROM $wpdb->usermeta WHERE user_id = %d", $id ) ); 201 foreach ( $meta as $mid ) { 202 delete_metadata_by_mid( 'user', $mid ); 203 } 204 205 $wpdb->delete( $wpdb->users, array( 'ID' => $id ) ); 206 207 clean_user_cache( $user ); 208 209 /** This action is documented in wp-admin/includes/user.php */ 210 do_action( 'deleted_user', $id, null, $user ); 211 212 return true; 213 } 214 215 /** 216 * Check whether a site has used its allotted upload space. 217 * 218 * @since MU (3.0.0) 219 * 220 * @param bool $display_message Optional. If set to true and the quota is exceeded, 221 * a warning message is displayed. Default true. 222 * @return bool True if user is over upload space quota, otherwise false. 223 */ 224 function upload_is_user_over_quota( $display_message = true ) { 225 if ( get_site_option( 'upload_space_check_disabled' ) ) { 226 return false; 227 } 228 229 $space_allowed = get_space_allowed(); 230 if ( ! is_numeric( $space_allowed ) ) { 231 $space_allowed = 10; // Default space allowed is 10 MB. 232 } 233 $space_used = get_space_used(); 234 235 if ( ( $space_allowed - $space_used ) < 0 ) { 236 if ( $display_message ) { 237 printf( 238 /* translators: %s: Allowed space allocation. */ 239 __( 'Sorry, you have used your space allocation of %s. Please delete some files to upload more files.' ), 240 size_format( $space_allowed * MB_IN_BYTES ) 241 ); 242 } 243 return true; 244 } else { 245 return false; 246 } 247 } 248 249 /** 250 * Displays the amount of disk space used by the current site. Not used in core. 251 * 252 * @since MU (3.0.0) 253 */ 254 function display_space_usage() { 255 $space_allowed = get_space_allowed(); 256 $space_used = get_space_used(); 257 258 $percent_used = ( $space_used / $space_allowed ) * 100; 259 260 $space = size_format( $space_allowed * MB_IN_BYTES ); 261 ?> 262 <strong> 263 <?php 264 /* translators: Storage space that's been used. 1: Percentage of used space, 2: Total space allowed in megabytes or gigabytes. */ 265 printf( __( 'Used: %1$s%% of %2$s' ), number_format( $percent_used ), $space ); 266 ?> 267 </strong> 268 <?php 269 } 270 271 /** 272 * Get the remaining upload space for this site. 273 * 274 * @since MU (3.0.0) 275 * 276 * @param int $size Current max size in bytes 277 * @return int Max size in bytes 278 */ 279 function fix_import_form_size( $size ) { 280 if ( upload_is_user_over_quota( false ) ) { 281 return 0; 282 } 283 $available = get_upload_space_available(); 284 return min( $size, $available ); 285 } 286 287 /** 288 * Displays the site upload space quota setting form on the Edit Site Settings screen. 289 * 290 * @since 3.0.0 291 * 292 * @param int $id The ID of the site to display the setting for. 293 */ 294 function upload_space_setting( $id ) { 295 switch_to_blog( $id ); 296 $quota = get_option( 'blog_upload_space' ); 297 restore_current_blog(); 298 299 if ( ! $quota ) { 300 $quota = ''; 301 } 302 303 ?> 304 <tr> 305 <th><label for="blog-upload-space-number"><?php _e( 'Site Upload Space Quota' ); ?></label></th> 306 <td> 307 <input type="number" step="1" min="0" style="width: 100px" name="option[blog_upload_space]" id="blog-upload-space-number" aria-describedby="blog-upload-space-desc" value="<?php echo $quota; ?>" /> 308 <span id="blog-upload-space-desc"><span class="screen-reader-text"><?php _e( 'Size in megabytes' ); ?></span> <?php _e( 'MB (Leave blank for network default)' ); ?></span> 309 </td> 310 </tr> 311 <?php 312 } 313 314 /** 315 * Cleans the user cache for a specific user. 316 * 317 * @since 3.0.0 318 * 319 * @param int $id The user ID. 320 * @return int|false The ID of the refreshed user or false if the user does not exist. 321 */ 322 function refresh_user_details( $id ) { 323 $id = (int) $id; 324 325 $user = get_userdata( $id ); 326 if ( ! $user ) { 327 return false; 328 } 329 330 clean_user_cache( $user ); 331 332 return $id; 333 } 334 335 /** 336 * Returns the language for a language code. 337 * 338 * @since 3.0.0 339 * 340 * @param string $code Optional. The two-letter language code. Default empty. 341 * @return string The language corresponding to $code if it exists. If it does not exist, 342 * then the first two letters of $code is returned. 343 */ 344 function format_code_lang( $code = '' ) { 345 $code = strtolower( substr( $code, 0, 2 ) ); 346 $lang_codes = array( 347 'aa' => 'Afar', 348 'ab' => 'Abkhazian', 349 'af' => 'Afrikaans', 350 'ak' => 'Akan', 351 'sq' => 'Albanian', 352 'am' => 'Amharic', 353 'ar' => 'Arabic', 354 'an' => 'Aragonese', 355 'hy' => 'Armenian', 356 'as' => 'Assamese', 357 'av' => 'Avaric', 358 'ae' => 'Avestan', 359 'ay' => 'Aymara', 360 'az' => 'Azerbaijani', 361 'ba' => 'Bashkir', 362 'bm' => 'Bambara', 363 'eu' => 'Basque', 364 'be' => 'Belarusian', 365 'bn' => 'Bengali', 366 'bh' => 'Bihari', 367 'bi' => 'Bislama', 368 'bs' => 'Bosnian', 369 'br' => 'Breton', 370 'bg' => 'Bulgarian', 371 'my' => 'Burmese', 372 'ca' => 'Catalan; Valencian', 373 'ch' => 'Chamorro', 374 'ce' => 'Chechen', 375 'zh' => 'Chinese', 376 'cu' => 'Church Slavic; Old Slavonic; Church Slavonic; Old Bulgarian; Old Church Slavonic', 377 'cv' => 'Chuvash', 378 'kw' => 'Cornish', 379 'co' => 'Corsican', 380 'cr' => 'Cree', 381 'cs' => 'Czech', 382 'da' => 'Danish', 383 'dv' => 'Divehi; Dhivehi; Maldivian', 384 'nl' => 'Dutch; Flemish', 385 'dz' => 'Dzongkha', 386 'en' => 'English', 387 'eo' => 'Esperanto', 388 'et' => 'Estonian', 389 'ee' => 'Ewe', 390 'fo' => 'Faroese', 391 'fj' => 'Fijjian', 392 'fi' => 'Finnish', 393 'fr' => 'French', 394 'fy' => 'Western Frisian', 395 'ff' => 'Fulah', 396 'ka' => 'Georgian', 397 'de' => 'German', 398 'gd' => 'Gaelic; Scottish Gaelic', 399 'ga' => 'Irish', 400 'gl' => 'Galician', 401 'gv' => 'Manx', 402 'el' => 'Greek, Modern', 403 'gn' => 'Guarani', 404 'gu' => 'Gujarati', 405 'ht' => 'Haitian; Haitian Creole', 406 'ha' => 'Hausa', 407 'he' => 'Hebrew', 408 'hz' => 'Herero', 409 'hi' => 'Hindi', 410 'ho' => 'Hiri Motu', 411 'hu' => 'Hungarian', 412 'ig' => 'Igbo', 413 'is' => 'Icelandic', 414 'io' => 'Ido', 415 'ii' => 'Sichuan Yi', 416 'iu' => 'Inuktitut', 417 'ie' => 'Interlingue', 418 'ia' => 'Interlingua (International Auxiliary Language Association)', 419 'id' => 'Indonesian', 420 'ik' => 'Inupiaq', 421 'it' => 'Italian', 422 'jv' => 'Javanese', 423 'ja' => 'Japanese', 424 'kl' => 'Kalaallisut; Greenlandic', 425 'kn' => 'Kannada', 426 'ks' => 'Kashmiri', 427 'kr' => 'Kanuri', 428 'kk' => 'Kazakh', 429 'km' => 'Central Khmer', 430 'ki' => 'Kikuyu; Gikuyu', 431 'rw' => 'Kinyarwanda', 432 'ky' => 'Kirghiz; Kyrgyz', 433 'kv' => 'Komi', 434 'kg' => 'Kongo', 435 'ko' => 'Korean', 436 'kj' => 'Kuanyama; Kwanyama', 437 'ku' => 'Kurdish', 438 'lo' => 'Lao', 439 'la' => 'Latin', 440 'lv' => 'Latvian', 441 'li' => 'Limburgan; Limburger; Limburgish', 442 'ln' => 'Lingala', 443 'lt' => 'Lithuanian', 444 'lb' => 'Luxembourgish; Letzeburgesch', 445 'lu' => 'Luba-Katanga', 446 'lg' => 'Ganda', 447 'mk' => 'Macedonian', 448 'mh' => 'Marshallese', 449 'ml' => 'Malayalam', 450 'mi' => 'Maori', 451 'mr' => 'Marathi', 452 'ms' => 'Malay', 453 'mg' => 'Malagasy', 454 'mt' => 'Maltese', 455 'mo' => 'Moldavian', 456 'mn' => 'Mongolian', 457 'na' => 'Nauru', 458 'nv' => 'Navajo; Navaho', 459 'nr' => 'Ndebele, South; South Ndebele', 460 'nd' => 'Ndebele, North; North Ndebele', 461 'ng' => 'Ndonga', 462 'ne' => 'Nepali', 463 'nn' => 'Norwegian Nynorsk; Nynorsk, Norwegian', 464 'nb' => 'BokmÃ¥l, Norwegian, Norwegian BokmÃ¥l', 465 'no' => 'Norwegian', 466 'ny' => 'Chichewa; Chewa; Nyanja', 467 'oc' => 'Occitan, Provençal', 468 'oj' => 'Ojibwa', 469 'or' => 'Oriya', 470 'om' => 'Oromo', 471 'os' => 'Ossetian; Ossetic', 472 'pa' => 'Panjabi; Punjabi', 473 'fa' => 'Persian', 474 'pi' => 'Pali', 475 'pl' => 'Polish', 476 'pt' => 'Portuguese', 477 'ps' => 'Pushto', 478 'qu' => 'Quechua', 479 'rm' => 'Romansh', 480 'ro' => 'Romanian', 481 'rn' => 'Rundi', 482 'ru' => 'Russian', 483 'sg' => 'Sango', 484 'sa' => 'Sanskrit', 485 'sr' => 'Serbian', 486 'hr' => 'Croatian', 487 'si' => 'Sinhala; Sinhalese', 488 'sk' => 'Slovak', 489 'sl' => 'Slovenian', 490 'se' => 'Northern Sami', 491 'sm' => 'Samoan', 492 'sn' => 'Shona', 493 'sd' => 'Sindhi', 494 'so' => 'Somali', 495 'st' => 'Sotho, Southern', 496 'es' => 'Spanish; Castilian', 497 'sc' => 'Sardinian', 498 'ss' => 'Swati', 499 'su' => 'Sundanese', 500 'sw' => 'Swahili', 501 'sv' => 'Swedish', 502 'ty' => 'Tahitian', 503 'ta' => 'Tamil', 504 'tt' => 'Tatar', 505 'te' => 'Telugu', 506 'tg' => 'Tajik', 507 'tl' => 'Tagalog', 508 'th' => 'Thai', 509 'bo' => 'Tibetan', 510 'ti' => 'Tigrinya', 511 'to' => 'Tonga (Tonga Islands)', 512 'tn' => 'Tswana', 513 'ts' => 'Tsonga', 514 'tk' => 'Turkmen', 515 'tr' => 'Turkish', 516 'tw' => 'Twi', 517 'ug' => 'Uighur; Uyghur', 518 'uk' => 'Ukrainian', 519 'ur' => 'Urdu', 520 'uz' => 'Uzbek', 521 've' => 'Venda', 522 'vi' => 'Vietnamese', 523 'vo' => 'Volapük', 524 'cy' => 'Welsh', 525 'wa' => 'Walloon', 526 'wo' => 'Wolof', 527 'xh' => 'Xhosa', 528 'yi' => 'Yiddish', 529 'yo' => 'Yoruba', 530 'za' => 'Zhuang; Chuang', 531 'zu' => 'Zulu', 532 ); 533 534 /** 535 * Filters the language codes. 536 * 537 * @since MU (3.0.0) 538 * 539 * @param string[] $lang_codes Array of key/value pairs of language codes where key is the short version. 540 * @param string $code A two-letter designation of the language. 541 */ 542 $lang_codes = apply_filters( 'lang_codes', $lang_codes, $code ); 543 return strtr( $code, $lang_codes ); 544 } 545 546 /** 547 * Synchronizes category and post tag slugs when global terms are enabled. 548 * 549 * @since 3.0.0 550 * 551 * @param WP_Term|array $term The term. 552 * @param string $taxonomy The taxonomy for `$term`. Should be 'category' or 'post_tag', as these are 553 * the only taxonomies which are processed by this function; anything else 554 * will be returned untouched. 555 * @return WP_Term|array Returns `$term`, after filtering the 'slug' field with `sanitize_title()` 556 * if `$taxonomy` is 'category' or 'post_tag'. 557 */ 558 function sync_category_tag_slugs( $term, $taxonomy ) { 559 if ( global_terms_enabled() && ( 'category' === $taxonomy || 'post_tag' === $taxonomy ) ) { 560 if ( is_object( $term ) ) { 561 $term->slug = sanitize_title( $term->name ); 562 } else { 563 $term['slug'] = sanitize_title( $term['name'] ); 564 } 565 } 566 return $term; 567 } 568 569 /** 570 * Displays an access denied message when a user tries to view a site's dashboard they 571 * do not have access to. 572 * 573 * @since 3.2.0 574 * @access private 575 */ 576 function _access_denied_splash() { 577 if ( ! is_user_logged_in() || is_network_admin() ) { 578 return; 579 } 580 581 $blogs = get_blogs_of_user( get_current_user_id() ); 582 583 if ( wp_list_filter( $blogs, array( 'userblog_id' => get_current_blog_id() ) ) ) { 584 return; 585 } 586 587 $blog_name = get_bloginfo( 'name' ); 588 589 if ( empty( $blogs ) ) { 590 wp_die( 591 sprintf( 592 /* translators: 1: Site title. */ 593 __( 'You attempted to access the "%1$s" dashboard, but you do not currently have privileges on this site. If you believe you should be able to access the "%1$s" dashboard, please contact your network administrator.' ), 594 $blog_name 595 ), 596 403 597 ); 598 } 599 600 $output = '<p>' . sprintf( 601 /* translators: 1: Site title. */ 602 __( 'You attempted to access the "%1$s" dashboard, but you do not currently have privileges on this site. If you believe you should be able to access the "%1$s" dashboard, please contact your network administrator.' ), 603 $blog_name 604 ) . '</p>'; 605 $output .= '<p>' . __( 'If you reached this screen by accident and meant to visit one of your own sites, here are some shortcuts to help you find your way.' ) . '</p>'; 606 607 $output .= '<h3>' . __( 'Your Sites' ) . '</h3>'; 608 $output .= '<table>'; 609 610 foreach ( $blogs as $blog ) { 611 $output .= '<tr>'; 612 $output .= "<td>{$blog->blogname}</td>"; 613 $output .= '<td><a href="' . esc_url( get_admin_url( $blog->userblog_id ) ) . '">' . __( 'Visit Dashboard' ) . '</a> | ' . 614 '<a href="' . esc_url( get_home_url( $blog->userblog_id ) ) . '">' . __( 'View Site' ) . '</a></td>'; 615 $output .= '</tr>'; 616 } 617 618 $output .= '</table>'; 619 620 wp_die( $output, 403 ); 621 } 622 623 /** 624 * Checks if the current user has permissions to import new users. 625 * 626 * @since 3.0.0 627 * 628 * @param string $permission A permission to be checked. Currently not used. 629 * @return bool True if the user has proper permissions, false if they do not. 630 */ 631 function check_import_new_users( $permission ) { 632 if ( ! current_user_can( 'manage_network_users' ) ) { 633 return false; 634 } 635 636 return true; 637 } 638 // See "import_allow_fetch_attachments" and "import_attachment_size_limit" filters too. 639 640 /** 641 * Generates and displays a drop-down of available languages. 642 * 643 * @since 3.0.0 644 * 645 * @param string[] $lang_files Optional. An array of the language files. Default empty array. 646 * @param string $current Optional. The current language code. Default empty. 647 */ 648 function mu_dropdown_languages( $lang_files = array(), $current = '' ) { 649 $flag = false; 650 $output = array(); 651 652 foreach ( (array) $lang_files as $val ) { 653 $code_lang = basename( $val, '.mo' ); 654 655 if ( 'en_US' === $code_lang ) { // American English. 656 $flag = true; 657 $ae = __( 'American English' ); 658 $output[ $ae ] = '<option value="' . esc_attr( $code_lang ) . '"' . selected( $current, $code_lang, false ) . '> ' . $ae . '</option>'; 659 } elseif ( 'en_GB' === $code_lang ) { // British English. 660 $flag = true; 661 $be = __( 'British English' ); 662 $output[ $be ] = '<option value="' . esc_attr( $code_lang ) . '"' . selected( $current, $code_lang, false ) . '> ' . $be . '</option>'; 663 } else { 664 $translated = format_code_lang( $code_lang ); 665 $output[ $translated ] = '<option value="' . esc_attr( $code_lang ) . '"' . selected( $current, $code_lang, false ) . '> ' . esc_html( $translated ) . '</option>'; 666 } 667 } 668 669 if ( false === $flag ) { // WordPress English. 670 $output[] = '<option value=""' . selected( $current, '', false ) . '>' . __( 'English' ) . '</option>'; 671 } 672 673 // Order by name. 674 uksort( $output, 'strnatcasecmp' ); 675 676 /** 677 * Filters the languages available in the dropdown. 678 * 679 * @since MU (3.0.0) 680 * 681 * @param string[] $output Array of HTML output for the dropdown. 682 * @param string[] $lang_files Array of available language files. 683 * @param string $current The current language code. 684 */ 685 $output = apply_filters( 'mu_dropdown_languages', $output, $lang_files, $current ); 686 687 echo implode( "\n\t", $output ); 688 } 689 690 /** 691 * Displays an admin notice to upgrade all sites after a core upgrade. 692 * 693 * @since 3.0.0 694 * 695 * @global int $wp_db_version WordPress database version. 696 * @global string $pagenow The filename of the current screen. 697 * 698 * @return void|false Void on success. False if the current user is not a super admin. 699 */ 700 function site_admin_notice() { 701 global $wp_db_version, $pagenow; 702 703 if ( ! current_user_can( 'upgrade_network' ) ) { 704 return false; 705 } 706 707 if ( 'upgrade.php' === $pagenow ) { 708 return; 709 } 710 711 if ( (int) get_site_option( 'wpmu_upgrade_site' ) !== $wp_db_version ) { 712 echo "<div class='update-nag notice notice-warning inline'>" . sprintf( 713 /* translators: %s: URL to Upgrade Network screen. */ 714 __( 'Thank you for Updating! Please visit the <a href="%s">Upgrade Network</a> page to update all your sites.' ), 715 esc_url( network_admin_url( 'upgrade.php' ) ) 716 ) . '</div>'; 717 } 718 } 719 720 /** 721 * Avoids a collision between a site slug and a permalink slug. 722 * 723 * In a subdirectory installation this will make sure that a site and a post do not use the 724 * same subdirectory by checking for a site with the same name as a new post. 725 * 726 * @since 3.0.0 727 * 728 * @param array $data An array of post data. 729 * @param array $postarr An array of posts. Not currently used. 730 * @return array The new array of post data after checking for collisions. 731 */ 732 function avoid_blog_page_permalink_collision( $data, $postarr ) { 733 if ( is_subdomain_install() ) { 734 return $data; 735 } 736 if ( 'page' !== $data['post_type'] ) { 737 return $data; 738 } 739 if ( ! isset( $data['post_name'] ) || '' === $data['post_name'] ) { 740 return $data; 741 } 742 if ( ! is_main_site() ) { 743 return $data; 744 } 745 if ( isset( $data['post_parent'] ) && $data['post_parent'] ) { 746 return $data; 747 } 748 749 $post_name = $data['post_name']; 750 $c = 0; 751 752 while ( $c < 10 && get_id_from_blogname( $post_name ) ) { 753 $post_name .= mt_rand( 1, 10 ); 754 $c++; 755 } 756 757 if ( $post_name !== $data['post_name'] ) { 758 $data['post_name'] = $post_name; 759 } 760 761 return $data; 762 } 763 764 /** 765 * Handles the display of choosing a user's primary site. 766 * 767 * This displays the user's primary site and allows the user to choose 768 * which site is primary. 769 * 770 * @since 3.0.0 771 */ 772 function choose_primary_blog() { 773 ?> 774 <table class="form-table" role="presentation"> 775 <tr> 776 <?php /* translators: My Sites label. */ ?> 777 <th scope="row"><label for="primary_blog"><?php _e( 'Primary Site' ); ?></label></th> 778 <td> 779 <?php 780 $all_blogs = get_blogs_of_user( get_current_user_id() ); 781 $primary_blog = (int) get_user_meta( get_current_user_id(), 'primary_blog', true ); 782 if ( count( $all_blogs ) > 1 ) { 783 $found = false; 784 ?> 785 <select name="primary_blog" id="primary_blog"> 786 <?php 787 foreach ( (array) $all_blogs as $blog ) { 788 if ( $blog->userblog_id === $primary_blog ) { 789 $found = true; 790 } 791 ?> 792 <option value="<?php echo $blog->userblog_id; ?>"<?php selected( $primary_blog, $blog->userblog_id ); ?>><?php echo esc_url( get_home_url( $blog->userblog_id ) ); ?></option> 793 <?php 794 } 795 ?> 796 </select> 797 <?php 798 if ( ! $found ) { 799 $blog = reset( $all_blogs ); 800 update_user_meta( get_current_user_id(), 'primary_blog', $blog->userblog_id ); 801 } 802 } elseif ( 1 === count( $all_blogs ) ) { 803 $blog = reset( $all_blogs ); 804 echo esc_url( get_home_url( $blog->userblog_id ) ); 805 if ( $blog->userblog_id !== $primary_blog ) { // Set the primary blog again if it's out of sync with blog list. 806 update_user_meta( get_current_user_id(), 'primary_blog', $blog->userblog_id ); 807 } 808 } else { 809 echo 'N/A'; 810 } 811 ?> 812 </td> 813 </tr> 814 </table> 815 <?php 816 } 817 818 /** 819 * Whether or not we can edit this network from this page. 820 * 821 * By default editing of network is restricted to the Network Admin for that `$network_id`. 822 * This function allows for this to be overridden. 823 * 824 * @since 3.1.0 825 * 826 * @param int $network_id The network ID to check. 827 * @return bool True if network can be edited, otherwise false. 828 */ 829 function can_edit_network( $network_id ) { 830 if ( get_current_network_id() === (int) $network_id ) { 831 $result = true; 832 } else { 833 $result = false; 834 } 835 836 /** 837 * Filters whether this network can be edited from this page. 838 * 839 * @since 3.1.0 840 * 841 * @param bool $result Whether the network can be edited from this page. 842 * @param int $network_id The network ID to check. 843 */ 844 return apply_filters( 'can_edit_network', $result, $network_id ); 845 } 846 847 /** 848 * Thickbox image paths for Network Admin. 849 * 850 * @since 3.1.0 851 * 852 * @access private 853 */ 854 function _thickbox_path_admin_subfolder() { 855 ?> 856 <script type="text/javascript"> 857 var tb_pathToImage = "<?php echo esc_js( includes_url( 'js/thickbox/loadingAnimation.gif', 'relative' ) ); ?>"; 858 </script> 859 <?php 860 } 861 862 /** 863 * @param array $users 864 */ 865 function confirm_delete_users( $users ) { 866 $current_user = wp_get_current_user(); 867 if ( ! is_array( $users ) || empty( $users ) ) { 868 return false; 869 } 870 ?> 871 <h1><?php esc_html_e( 'Users' ); ?></h1> 872 873 <?php if ( 1 === count( $users ) ) : ?> 874 <p><?php _e( 'You have chosen to delete the user from all networks and sites.' ); ?></p> 875 <?php else : ?> 876 <p><?php _e( 'You have chosen to delete the following users from all networks and sites.' ); ?></p> 877 <?php endif; ?> 878 879 <form action="users.php?action=dodelete" method="post"> 880 <input type="hidden" name="dodelete" /> 881 <?php 882 wp_nonce_field( 'ms-users-delete' ); 883 $site_admins = get_super_admins(); 884 $admin_out = '<option value="' . esc_attr( $current_user->ID ) . '">' . $current_user->user_login . '</option>'; 885 ?> 886 <table class="form-table" role="presentation"> 887 <?php 888 $allusers = (array) $_POST['allusers']; 889 foreach ( $allusers as $user_id ) { 890 if ( '' !== $user_id && '0' !== $user_id ) { 891 $delete_user = get_userdata( $user_id ); 892 893 if ( ! current_user_can( 'delete_user', $delete_user->ID ) ) { 894 wp_die( 895 sprintf( 896 /* translators: %s: User login. */ 897 __( 'Warning! User %s cannot be deleted.' ), 898 $delete_user->user_login 899 ) 900 ); 901 } 902 903 if ( in_array( $delete_user->user_login, $site_admins, true ) ) { 904 wp_die( 905 sprintf( 906 /* translators: %s: User login. */ 907 __( 'Warning! User cannot be deleted. The user %s is a network administrator.' ), 908 '<em>' . $delete_user->user_login . '</em>' 909 ) 910 ); 911 } 912 ?> 913 <tr> 914 <th scope="row"><?php echo $delete_user->user_login; ?> 915 <?php echo '<input type="hidden" name="user[]" value="' . esc_attr( $user_id ) . '" />' . "\n"; ?> 916 </th> 917 <?php 918 $blogs = get_blogs_of_user( $user_id, true ); 919 920 if ( ! empty( $blogs ) ) { 921 ?> 922 <td><fieldset><p><legend> 923 <?php 924 printf( 925 /* translators: %s: User login. */ 926 __( 'What should be done with content owned by %s?' ), 927 '<em>' . $delete_user->user_login . '</em>' 928 ); 929 ?> 930 </legend></p> 931 <?php 932 foreach ( (array) $blogs as $key => $details ) { 933 $blog_users = get_users( 934 array( 935 'blog_id' => $details->userblog_id, 936 'fields' => array( 'ID', 'user_login' ), 937 ) 938 ); 939 940 if ( is_array( $blog_users ) && ! empty( $blog_users ) ) { 941 $user_site = "<a href='" . esc_url( get_home_url( $details->userblog_id ) ) . "'>{$details->blogname}</a>"; 942 $user_dropdown = '<label for="reassign_user" class="screen-reader-text">' . __( 'Select a user' ) . '</label>'; 943 $user_dropdown .= "<select name='blog[$user_id][$key]' id='reassign_user'>"; 944 $user_list = ''; 945 946 foreach ( $blog_users as $user ) { 947 if ( ! in_array( (int) $user->ID, $allusers, true ) ) { 948 $user_list .= "<option value='{$user->ID}'>{$user->user_login}</option>"; 949 } 950 } 951 952 if ( '' === $user_list ) { 953 $user_list = $admin_out; 954 } 955 956 $user_dropdown .= $user_list; 957 $user_dropdown .= "</select>\n"; 958 ?> 959 <ul style="list-style:none;"> 960 <li> 961 <?php 962 /* translators: %s: Link to user's site. */ 963 printf( __( 'Site: %s' ), $user_site ); 964 ?> 965 </li> 966 <li><label><input type="radio" id="delete_option0" name="delete[<?php echo $details->userblog_id . '][' . $delete_user->ID; ?>]" value="delete" checked="checked" /> 967 <?php _e( 'Delete all content.' ); ?></label></li> 968 <li><label><input type="radio" id="delete_option1" name="delete[<?php echo $details->userblog_id . '][' . $delete_user->ID; ?>]" value="reassign" /> 969 <?php _e( 'Attribute all content to:' ); ?></label> 970 <?php echo $user_dropdown; ?></li> 971 </ul> 972 <?php 973 } 974 } 975 echo '</fieldset></td></tr>'; 976 } else { 977 ?> 978 <td><p><?php _e( 'User has no sites or content and will be deleted.' ); ?></p></td> 979 <?php } ?> 980 </tr> 981 <?php 982 } 983 } 984 985 ?> 986 </table> 987 <?php 988 /** This action is documented in wp-admin/users.php */ 989 do_action( 'delete_user_form', $current_user, $allusers ); 990 991 if ( 1 === count( $users ) ) : 992 ?> 993 <p><?php _e( 'Once you hit “Confirm Deletion”, the user will be permanently removed.' ); ?></p> 994 <?php else : ?> 995 <p><?php _e( 'Once you hit “Confirm Deletion”, these users will be permanently removed.' ); ?></p> 996 <?php 997 endif; 998 999 submit_button( __( 'Confirm Deletion' ), 'primary' ); 1000 ?> 1001 </form> 1002 <?php 1003 return true; 1004 } 1005 1006 /** 1007 * Print JavaScript in the header on the Network Settings screen. 1008 * 1009 * @since 4.1.0 1010 */ 1011 function network_settings_add_js() { 1012 ?> 1013 <script type="text/javascript"> 1014 jQuery( function($) { 1015 var languageSelect = $( '#WPLANG' ); 1016 $( 'form' ).on( 'submit', function() { 1017 // Don't show a spinner for English and installed languages, 1018 // as there is nothing to download. 1019 if ( ! languageSelect.find( 'option:selected' ).data( 'installed' ) ) { 1020 $( '#submit', this ).after( '<span class="spinner language-install-spinner is-active" />' ); 1021 } 1022 }); 1023 } ); 1024 </script> 1025 <?php 1026 } 1027 1028 /** 1029 * Outputs the HTML for a network's "Edit Site" tabular interface. 1030 * 1031 * @since 4.6.0 1032 * 1033 * @global string $pagenow The filename of the current screen. 1034 * 1035 * @param array $args { 1036 * Optional. Array or string of Query parameters. Default empty array. 1037 * 1038 * @type int $blog_id The site ID. Default is the current site. 1039 * @type array $links The tabs to include with (label|url|cap) keys. 1040 * @type string $selected The ID of the selected link. 1041 * } 1042 */ 1043 function network_edit_site_nav( $args = array() ) { 1044 1045 /** 1046 * Filters the links that appear on site-editing network pages. 1047 * 1048 * Default links: 'site-info', 'site-users', 'site-themes', and 'site-settings'. 1049 * 1050 * @since 4.6.0 1051 * 1052 * @param array $links { 1053 * An array of link data representing individual network admin pages. 1054 * 1055 * @type array $link_slug { 1056 * An array of information about the individual link to a page. 1057 * 1058 * $type string $label Label to use for the link. 1059 * $type string $url URL, relative to `network_admin_url()` to use for the link. 1060 * $type string $cap Capability required to see the link. 1061 * } 1062 * } 1063 */ 1064 $links = apply_filters( 1065 'network_edit_site_nav_links', 1066 array( 1067 'site-info' => array( 1068 'label' => __( 'Info' ), 1069 'url' => 'site-info.php', 1070 'cap' => 'manage_sites', 1071 ), 1072 'site-users' => array( 1073 'label' => __( 'Users' ), 1074 'url' => 'site-users.php', 1075 'cap' => 'manage_sites', 1076 ), 1077 'site-themes' => array( 1078 'label' => __( 'Themes' ), 1079 'url' => 'site-themes.php', 1080 'cap' => 'manage_sites', 1081 ), 1082 'site-settings' => array( 1083 'label' => __( 'Settings' ), 1084 'url' => 'site-settings.php', 1085 'cap' => 'manage_sites', 1086 ), 1087 ) 1088 ); 1089 1090 // Parse arguments. 1091 $parsed_args = wp_parse_args( 1092 $args, 1093 array( 1094 'blog_id' => isset( $_GET['blog_id'] ) ? (int) $_GET['blog_id'] : 0, 1095 'links' => $links, 1096 'selected' => 'site-info', 1097 ) 1098 ); 1099 1100 // Setup the links array. 1101 $screen_links = array(); 1102 1103 // Loop through tabs. 1104 foreach ( $parsed_args['links'] as $link_id => $link ) { 1105 1106 // Skip link if user can't access. 1107 if ( ! current_user_can( $link['cap'], $parsed_args['blog_id'] ) ) { 1108 continue; 1109 } 1110 1111 // Link classes. 1112 $classes = array( 'nav-tab' ); 1113 1114 // Aria-current attribute. 1115 $aria_current = ''; 1116 1117 // Selected is set by the parent OR assumed by the $pagenow global. 1118 if ( $parsed_args['selected'] === $link_id || $link['url'] === $GLOBALS['pagenow'] ) { 1119 $classes[] = 'nav-tab-active'; 1120 $aria_current = ' aria-current="page"'; 1121 } 1122 1123 // Escape each class. 1124 $esc_classes = implode( ' ', $classes ); 1125 1126 // Get the URL for this link. 1127 $url = add_query_arg( array( 'id' => $parsed_args['blog_id'] ), network_admin_url( $link['url'] ) ); 1128 1129 // Add link to nav links. 1130 $screen_links[ $link_id ] = '<a href="' . esc_url( $url ) . '" id="' . esc_attr( $link_id ) . '" class="' . $esc_classes . '"' . $aria_current . '>' . esc_html( $link['label'] ) . '</a>'; 1131 } 1132 1133 // All done! 1134 echo '<nav class="nav-tab-wrapper wp-clearfix" aria-label="' . esc_attr__( 'Secondary menu' ) . '">'; 1135 echo implode( '', $screen_links ); 1136 echo '</nav>'; 1137 } 1138 1139 /** 1140 * Returns the arguments for the help tab on the Edit Site screens. 1141 * 1142 * @since 4.9.0 1143 * 1144 * @return array Help tab arguments. 1145 */ 1146 function get_site_screen_help_tab_args() { 1147 return array( 1148 'id' => 'overview', 1149 'title' => __( 'Overview' ), 1150 'content' => 1151 '<p>' . __( 'The menu is for editing information specific to individual sites, particularly if the admin area of a site is unavailable.' ) . '</p>' . 1152 '<p>' . __( '<strong>Info</strong> — The site URL is rarely edited as this can cause the site to not work properly. The Registered date and Last Updated date are displayed. Network admins can mark a site as archived, spam, deleted and mature, to remove from public listings or disable.' ) . '</p>' . 1153 '<p>' . __( '<strong>Users</strong> — This displays the users associated with this site. You can also change their role, reset their password, or remove them from the site. Removing the user from the site does not remove the user from the network.' ) . '</p>' . 1154 '<p>' . sprintf( 1155 /* translators: %s: URL to Network Themes screen. */ 1156 __( '<strong>Themes</strong> — This area shows themes that are not already enabled across the network. Enabling a theme in this menu makes it accessible to this site. It does not activate the theme, but allows it to show in the site’s Appearance menu. To enable a theme for the entire network, see the <a href="%s">Network Themes</a> screen.' ), 1157 network_admin_url( 'themes.php' ) 1158 ) . '</p>' . 1159 '<p>' . __( '<strong>Settings</strong> — This page shows a list of all settings associated with this site. Some are created by WordPress and others are created by plugins you activate. Note that some fields are grayed out and say Serialized Data. You cannot modify these values due to the way the setting is stored in the database.' ) . '</p>', 1160 ); 1161 } 1162 1163 /** 1164 * Returns the content for the help sidebar on the Edit Site screens. 1165 * 1166 * @since 4.9.0 1167 * 1168 * @return string Help sidebar content. 1169 */ 1170 function get_site_screen_help_sidebar_content() { 1171 return '<p><strong>' . __( 'For more information:' ) . '</strong></p>' . 1172 '<p>' . __( '<a href="https://wordpress.org/support/article/network-admin-sites-screen/">Documentation on Site Management</a>' ) . '</p>' . 1173 '<p>' . __( '<a href="https://wordpress.org/support/forum/multisite/">Support Forums</a>' ) . '</p>'; 1174 }
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