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