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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 is 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 * 164 * @param int $id ID of the user about to be deleted from the network. 165 */ 166 do_action( 'wpmu_delete_user', $id ); 167 168 $blogs = get_blogs_of_user( $id ); 169 170 if ( ! empty( $blogs ) ) { 171 foreach ( $blogs as $blog ) { 172 switch_to_blog( $blog->userblog_id ); 173 remove_user_from_blog( $id, $blog->userblog_id ); 174 175 $post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d", $id ) ); 176 foreach ( (array) $post_ids as $post_id ) { 177 wp_delete_post( $post_id ); 178 } 179 180 // Clean links. 181 $link_ids = $wpdb->get_col( $wpdb->prepare( "SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $id ) ); 182 183 if ( $link_ids ) { 184 foreach ( $link_ids as $link_id ) { 185 wp_delete_link( $link_id ); 186 } 187 } 188 189 restore_current_blog(); 190 } 191 } 192 193 $meta = $wpdb->get_col( $wpdb->prepare( "SELECT umeta_id FROM $wpdb->usermeta WHERE user_id = %d", $id ) ); 194 foreach ( $meta as $mid ) { 195 delete_metadata_by_mid( 'user', $mid ); 196 } 197 198 $wpdb->delete( $wpdb->users, array( 'ID' => $id ) ); 199 200 clean_user_cache( $user ); 201 202 /** This action is documented in wp-admin/includes/user.php */ 203 do_action( 'deleted_user', $id, null ); 204 205 return true; 206 } 207 208 /** 209 * Check whether a site has used its allotted upload space. 210 * 211 * @since MU (3.0.0) 212 * 213 * @param bool $echo Optional. If $echo is set and the quota is exceeded, a warning message is echoed. Default is true. 214 * @return bool True if user is over upload space quota, otherwise false. 215 */ 216 function upload_is_user_over_quota( $echo = true ) { 217 if ( get_site_option( 'upload_space_check_disabled' ) ) { 218 return false; 219 } 220 221 $space_allowed = get_space_allowed(); 222 if ( ! is_numeric( $space_allowed ) ) { 223 $space_allowed = 10; // Default space allowed is 10 MB. 224 } 225 $space_used = get_space_used(); 226 227 if ( ( $space_allowed - $space_used ) < 0 ) { 228 if ( $echo ) { 229 printf( 230 /* translators: %s: Allowed space allocation. */ 231 __( 'Sorry, you have used your space allocation of %s. Please delete some files to upload more files.' ), 232 size_format( $space_allowed * MB_IN_BYTES ) 233 ); 234 } 235 return true; 236 } else { 237 return false; 238 } 239 } 240 241 /** 242 * Displays the amount of disk space used by the current site. Not used in core. 243 * 244 * @since MU (3.0.0) 245 */ 246 function display_space_usage() { 247 $space_allowed = get_space_allowed(); 248 $space_used = get_space_used(); 249 250 $percent_used = ( $space_used / $space_allowed ) * 100; 251 252 $space = size_format( $space_allowed * MB_IN_BYTES ); 253 ?> 254 <strong> 255 <?php 256 /* translators: Storage space that's been used. 1: Percentage of used space, 2: Total space allowed in megabytes or gigabytes. */ 257 printf( __( 'Used: %1$s%% of %2$s' ), number_format( $percent_used ), $space ); 258 ?> 259 </strong> 260 <?php 261 } 262 263 /** 264 * Get the remaining upload space for this site. 265 * 266 * @since MU (3.0.0) 267 * 268 * @param int $size Current max size in bytes 269 * @return int Max size in bytes 270 */ 271 function fix_import_form_size( $size ) { 272 if ( upload_is_user_over_quota( false ) ) { 273 return 0; 274 } 275 $available = get_upload_space_available(); 276 return min( $size, $available ); 277 } 278 279 /** 280 * Displays the site upload space quota setting form on the Edit Site Settings screen. 281 * 282 * @since 3.0.0 283 * 284 * @param int $id The ID of the site to display the setting for. 285 */ 286 function upload_space_setting( $id ) { 287 switch_to_blog( $id ); 288 $quota = get_option( 'blog_upload_space' ); 289 restore_current_blog(); 290 291 if ( ! $quota ) { 292 $quota = ''; 293 } 294 295 ?> 296 <tr> 297 <th><label for="blog-upload-space-number"><?php _e( 'Site Upload Space Quota' ); ?></label></th> 298 <td> 299 <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; ?>" /> 300 <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> 301 </td> 302 </tr> 303 <?php 304 } 305 306 /** 307 * Cleans the user cache for a specific user. 308 * 309 * @since 3.0.0 310 * 311 * @param int $id The user ID. 312 * @return bool|int The ID of the refreshed user or false if the user does not exist. 313 */ 314 function refresh_user_details( $id ) { 315 $id = (int) $id; 316 317 $user = get_userdata( $id ); 318 if ( ! $user ) { 319 return false; 320 } 321 322 clean_user_cache( $user ); 323 324 return $id; 325 } 326 327 /** 328 * Returns the language for a language code. 329 * 330 * @since 3.0.0 331 * 332 * @param string $code Optional. The two-letter language code. Default empty. 333 * @return string The language corresponding to $code if it exists. If it does not exist, 334 * then the first two letters of $code is returned. 335 */ 336 function format_code_lang( $code = '' ) { 337 $code = strtolower( substr( $code, 0, 2 ) ); 338 $lang_codes = array( 339 'aa' => 'Afar', 340 'ab' => 'Abkhazian', 341 'af' => 'Afrikaans', 342 'ak' => 'Akan', 343 'sq' => 'Albanian', 344 'am' => 'Amharic', 345 'ar' => 'Arabic', 346 'an' => 'Aragonese', 347 'hy' => 'Armenian', 348 'as' => 'Assamese', 349 'av' => 'Avaric', 350 'ae' => 'Avestan', 351 'ay' => 'Aymara', 352 'az' => 'Azerbaijani', 353 'ba' => 'Bashkir', 354 'bm' => 'Bambara', 355 'eu' => 'Basque', 356 'be' => 'Belarusian', 357 'bn' => 'Bengali', 358 'bh' => 'Bihari', 359 'bi' => 'Bislama', 360 'bs' => 'Bosnian', 361 'br' => 'Breton', 362 'bg' => 'Bulgarian', 363 'my' => 'Burmese', 364 'ca' => 'Catalan; Valencian', 365 'ch' => 'Chamorro', 366 'ce' => 'Chechen', 367 'zh' => 'Chinese', 368 'cu' => 'Church Slavic; Old Slavonic; Church Slavonic; Old Bulgarian; Old Church Slavonic', 369 'cv' => 'Chuvash', 370 'kw' => 'Cornish', 371 'co' => 'Corsican', 372 'cr' => 'Cree', 373 'cs' => 'Czech', 374 'da' => 'Danish', 375 'dv' => 'Divehi; Dhivehi; Maldivian', 376 'nl' => 'Dutch; Flemish', 377 'dz' => 'Dzongkha', 378 'en' => 'English', 379 'eo' => 'Esperanto', 380 'et' => 'Estonian', 381 'ee' => 'Ewe', 382 'fo' => 'Faroese', 383 'fj' => 'Fijjian', 384 'fi' => 'Finnish', 385 'fr' => 'French', 386 'fy' => 'Western Frisian', 387 'ff' => 'Fulah', 388 'ka' => 'Georgian', 389 'de' => 'German', 390 'gd' => 'Gaelic; Scottish Gaelic', 391 'ga' => 'Irish', 392 'gl' => 'Galician', 393 'gv' => 'Manx', 394 'el' => 'Greek, Modern', 395 'gn' => 'Guarani', 396 'gu' => 'Gujarati', 397 'ht' => 'Haitian; Haitian Creole', 398 'ha' => 'Hausa', 399 'he' => 'Hebrew', 400 'hz' => 'Herero', 401 'hi' => 'Hindi', 402 'ho' => 'Hiri Motu', 403 'hu' => 'Hungarian', 404 'ig' => 'Igbo', 405 'is' => 'Icelandic', 406 'io' => 'Ido', 407 'ii' => 'Sichuan Yi', 408 'iu' => 'Inuktitut', 409 'ie' => 'Interlingue', 410 'ia' => 'Interlingua (International Auxiliary Language Association)', 411 'id' => 'Indonesian', 412 'ik' => 'Inupiaq', 413 'it' => 'Italian', 414 'jv' => 'Javanese', 415 'ja' => 'Japanese', 416 'kl' => 'Kalaallisut; Greenlandic', 417 'kn' => 'Kannada', 418 'ks' => 'Kashmiri', 419 'kr' => 'Kanuri', 420 'kk' => 'Kazakh', 421 'km' => 'Central Khmer', 422 'ki' => 'Kikuyu; Gikuyu', 423 'rw' => 'Kinyarwanda', 424 'ky' => 'Kirghiz; Kyrgyz', 425 'kv' => 'Komi', 426 'kg' => 'Kongo', 427 'ko' => 'Korean', 428 'kj' => 'Kuanyama; Kwanyama', 429 'ku' => 'Kurdish', 430 'lo' => 'Lao', 431 'la' => 'Latin', 432 'lv' => 'Latvian', 433 'li' => 'Limburgan; Limburger; Limburgish', 434 'ln' => 'Lingala', 435 'lt' => 'Lithuanian', 436 'lb' => 'Luxembourgish; Letzeburgesch', 437 'lu' => 'Luba-Katanga', 438 'lg' => 'Ganda', 439 'mk' => 'Macedonian', 440 'mh' => 'Marshallese', 441 'ml' => 'Malayalam', 442 'mi' => 'Maori', 443 'mr' => 'Marathi', 444 'ms' => 'Malay', 445 'mg' => 'Malagasy', 446 'mt' => 'Maltese', 447 'mo' => 'Moldavian', 448 'mn' => 'Mongolian', 449 'na' => 'Nauru', 450 'nv' => 'Navajo; Navaho', 451 'nr' => 'Ndebele, South; South Ndebele', 452 'nd' => 'Ndebele, North; North Ndebele', 453 'ng' => 'Ndonga', 454 'ne' => 'Nepali', 455 'nn' => 'Norwegian Nynorsk; Nynorsk, Norwegian', 456 'nb' => 'BokmÃ¥l, Norwegian, Norwegian BokmÃ¥l', 457 'no' => 'Norwegian', 458 'ny' => 'Chichewa; Chewa; Nyanja', 459 'oc' => 'Occitan, Provençal', 460 'oj' => 'Ojibwa', 461 'or' => 'Oriya', 462 'om' => 'Oromo', 463 'os' => 'Ossetian; Ossetic', 464 'pa' => 'Panjabi; Punjabi', 465 'fa' => 'Persian', 466 'pi' => 'Pali', 467 'pl' => 'Polish', 468 'pt' => 'Portuguese', 469 'ps' => 'Pushto', 470 'qu' => 'Quechua', 471 'rm' => 'Romansh', 472 'ro' => 'Romanian', 473 'rn' => 'Rundi', 474 'ru' => 'Russian', 475 'sg' => 'Sango', 476 'sa' => 'Sanskrit', 477 'sr' => 'Serbian', 478 'hr' => 'Croatian', 479 'si' => 'Sinhala; Sinhalese', 480 'sk' => 'Slovak', 481 'sl' => 'Slovenian', 482 'se' => 'Northern Sami', 483 'sm' => 'Samoan', 484 'sn' => 'Shona', 485 'sd' => 'Sindhi', 486 'so' => 'Somali', 487 'st' => 'Sotho, Southern', 488 'es' => 'Spanish; Castilian', 489 'sc' => 'Sardinian', 490 'ss' => 'Swati', 491 'su' => 'Sundanese', 492 'sw' => 'Swahili', 493 'sv' => 'Swedish', 494 'ty' => 'Tahitian', 495 'ta' => 'Tamil', 496 'tt' => 'Tatar', 497 'te' => 'Telugu', 498 'tg' => 'Tajik', 499 'tl' => 'Tagalog', 500 'th' => 'Thai', 501 'bo' => 'Tibetan', 502 'ti' => 'Tigrinya', 503 'to' => 'Tonga (Tonga Islands)', 504 'tn' => 'Tswana', 505 'ts' => 'Tsonga', 506 'tk' => 'Turkmen', 507 'tr' => 'Turkish', 508 'tw' => 'Twi', 509 'ug' => 'Uighur; Uyghur', 510 'uk' => 'Ukrainian', 511 'ur' => 'Urdu', 512 'uz' => 'Uzbek', 513 've' => 'Venda', 514 'vi' => 'Vietnamese', 515 'vo' => 'Volapük', 516 'cy' => 'Welsh', 517 'wa' => 'Walloon', 518 'wo' => 'Wolof', 519 'xh' => 'Xhosa', 520 'yi' => 'Yiddish', 521 'yo' => 'Yoruba', 522 'za' => 'Zhuang; Chuang', 523 'zu' => 'Zulu', 524 ); 525 526 /** 527 * Filters the language codes. 528 * 529 * @since MU (3.0.0) 530 * 531 * @param string[] $lang_codes Array of key/value pairs of language codes where key is the short version. 532 * @param string $code A two-letter designation of the language. 533 */ 534 $lang_codes = apply_filters( 'lang_codes', $lang_codes, $code ); 535 return strtr( $code, $lang_codes ); 536 } 537 538 /** 539 * Synchronizes category and post tag slugs when global terms are enabled. 540 * 541 * @since 3.0.0 542 * 543 * @param WP_Term|array $term The term. 544 * @param string $taxonomy The taxonomy for `$term`. Should be 'category' or 'post_tag', as these are 545 * the only taxonomies which are processed by this function; anything else 546 * will be returned untouched. 547 * @return WP_Term|array Returns `$term`, after filtering the 'slug' field with `sanitize_title()` 548 * if `$taxonomy` is 'category' or 'post_tag'. 549 */ 550 function sync_category_tag_slugs( $term, $taxonomy ) { 551 if ( global_terms_enabled() && ( 'category' === $taxonomy || 'post_tag' === $taxonomy ) ) { 552 if ( is_object( $term ) ) { 553 $term->slug = sanitize_title( $term->name ); 554 } else { 555 $term['slug'] = sanitize_title( $term['name'] ); 556 } 557 } 558 return $term; 559 } 560 561 /** 562 * Displays an access denied message when a user tries to view a site's dashboard they 563 * do not have access to. 564 * 565 * @since 3.2.0 566 * @access private 567 */ 568 function _access_denied_splash() { 569 if ( ! is_user_logged_in() || is_network_admin() ) { 570 return; 571 } 572 573 $blogs = get_blogs_of_user( get_current_user_id() ); 574 575 if ( wp_list_filter( $blogs, array( 'userblog_id' => get_current_blog_id() ) ) ) { 576 return; 577 } 578 579 $blog_name = get_bloginfo( 'name' ); 580 581 if ( empty( $blogs ) ) { 582 wp_die( 583 sprintf( 584 /* translators: 1: Site title. */ 585 __( 'You attempted to access the "%1$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.' ), 586 $blog_name 587 ), 588 403 589 ); 590 } 591 592 $output = '<p>' . sprintf( 593 /* translators: 1: Site title. */ 594 __( 'You attempted to access the "%1$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.' ), 595 $blog_name 596 ) . '</p>'; 597 $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>'; 598 599 $output .= '<h3>' . __( 'Your Sites' ) . '</h3>'; 600 $output .= '<table>'; 601 602 foreach ( $blogs as $blog ) { 603 $output .= '<tr>'; 604 $output .= "<td>{$blog->blogname}</td>"; 605 $output .= '<td><a href="' . esc_url( get_admin_url( $blog->userblog_id ) ) . '">' . __( 'Visit Dashboard' ) . '</a> | ' . 606 '<a href="' . esc_url( get_home_url( $blog->userblog_id ) ) . '">' . __( 'View Site' ) . '</a></td>'; 607 $output .= '</tr>'; 608 } 609 610 $output .= '</table>'; 611 612 wp_die( $output, 403 ); 613 } 614 615 /** 616 * Checks if the current user has permissions to import new users. 617 * 618 * @since 3.0.0 619 * 620 * @param string $permission A permission to be checked. Currently not used. 621 * @return bool True if the user has proper permissions, false if they do not. 622 */ 623 function check_import_new_users( $permission ) { 624 if ( ! current_user_can( 'manage_network_users' ) ) { 625 return false; 626 } 627 628 return true; 629 } 630 // See "import_allow_fetch_attachments" and "import_attachment_size_limit" filters too. 631 632 /** 633 * Generates and displays a drop-down of available languages. 634 * 635 * @since 3.0.0 636 * 637 * @param string[] $lang_files Optional. An array of the language files. Default empty array. 638 * @param string $current Optional. The current language code. Default empty. 639 */ 640 function mu_dropdown_languages( $lang_files = array(), $current = '' ) { 641 $flag = false; 642 $output = array(); 643 644 foreach ( (array) $lang_files as $val ) { 645 $code_lang = basename( $val, '.mo' ); 646 647 if ( 'en_US' === $code_lang ) { // American English. 648 $flag = true; 649 $ae = __( 'American English' ); 650 $output[ $ae ] = '<option value="' . esc_attr( $code_lang ) . '"' . selected( $current, $code_lang, false ) . '> ' . $ae . '</option>'; 651 } elseif ( 'en_GB' === $code_lang ) { // British English. 652 $flag = true; 653 $be = __( 'British English' ); 654 $output[ $be ] = '<option value="' . esc_attr( $code_lang ) . '"' . selected( $current, $code_lang, false ) . '> ' . $be . '</option>'; 655 } else { 656 $translated = format_code_lang( $code_lang ); 657 $output[ $translated ] = '<option value="' . esc_attr( $code_lang ) . '"' . selected( $current, $code_lang, false ) . '> ' . esc_html( $translated ) . '</option>'; 658 } 659 } 660 661 if ( false === $flag ) { // WordPress English. 662 $output[] = '<option value=""' . selected( $current, '', false ) . '>' . __( 'English' ) . '</option>'; 663 } 664 665 // Order by name. 666 uksort( $output, 'strnatcasecmp' ); 667 668 /** 669 * Filters the languages available in the dropdown. 670 * 671 * @since MU (3.0.0) 672 * 673 * @param string[] $output Array of HTML output for the dropdown. 674 * @param string[] $lang_files Array of available language files. 675 * @param string $current The current language code. 676 */ 677 $output = apply_filters( 'mu_dropdown_languages', $output, $lang_files, $current ); 678 679 echo implode( "\n\t", $output ); 680 } 681 682 /** 683 * Displays an admin notice to upgrade all sites after a core upgrade. 684 * 685 * @since 3.0.0 686 * 687 * @global int $wp_db_version WordPress database version. 688 * @global string $pagenow 689 * 690 * @return false False if the current user is not a super admin. 691 */ 692 function site_admin_notice() { 693 global $wp_db_version, $pagenow; 694 695 if ( ! current_user_can( 'upgrade_network' ) ) { 696 return false; 697 } 698 699 if ( 'upgrade.php' == $pagenow ) { 700 return; 701 } 702 703 if ( get_site_option( 'wpmu_upgrade_site' ) != $wp_db_version ) { 704 echo "<div class='update-nag'>" . sprintf( 705 /* translators: %s: URL to Upgrade Network screen. */ 706 __( 'Thank you for Updating! Please visit the <a href="%s">Upgrade Network</a> page to update all your sites.' ), 707 esc_url( network_admin_url( 'upgrade.php' ) ) 708 ) . '</div>'; 709 } 710 } 711 712 /** 713 * Avoids a collision between a site slug and a permalink slug. 714 * 715 * In a subdirectory installation this will make sure that a site and a post do not use the 716 * same subdirectory by checking for a site with the same name as a new post. 717 * 718 * @since 3.0.0 719 * 720 * @param array $data An array of post data. 721 * @param array $postarr An array of posts. Not currently used. 722 * @return array The new array of post data after checking for collisions. 723 */ 724 function avoid_blog_page_permalink_collision( $data, $postarr ) { 725 if ( is_subdomain_install() ) { 726 return $data; 727 } 728 if ( 'page' !== $data['post_type'] ) { 729 return $data; 730 } 731 if ( ! isset( $data['post_name'] ) || '' === $data['post_name'] ) { 732 return $data; 733 } 734 if ( ! is_main_site() ) { 735 return $data; 736 } 737 738 $post_name = $data['post_name']; 739 $c = 0; 740 while ( $c < 10 && get_id_from_blogname( $post_name ) ) { 741 $post_name .= mt_rand( 1, 10 ); 742 $c ++; 743 } 744 if ( $post_name != $data['post_name'] ) { 745 $data['post_name'] = $post_name; 746 } 747 return $data; 748 } 749 750 /** 751 * Handles the display of choosing a user's primary site. 752 * 753 * This displays the user's primary site and allows the user to choose 754 * which site is primary. 755 * 756 * @since 3.0.0 757 */ 758 function choose_primary_blog() { 759 ?> 760 <table class="form-table" role="presentation"> 761 <tr> 762 <?php /* translators: My Sites label. */ ?> 763 <th scope="row"><label for="primary_blog"><?php _e( 'Primary Site' ); ?></label></th> 764 <td> 765 <?php 766 $all_blogs = get_blogs_of_user( get_current_user_id() ); 767 $primary_blog = get_user_meta( get_current_user_id(), 'primary_blog', true ); 768 if ( count( $all_blogs ) > 1 ) { 769 $found = false; 770 ?> 771 <select name="primary_blog" id="primary_blog"> 772 <?php 773 foreach ( (array) $all_blogs as $blog ) { 774 if ( $primary_blog == $blog->userblog_id ) { 775 $found = true; 776 } 777 ?> 778 <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> 779 <?php 780 } 781 ?> 782 </select> 783 <?php 784 if ( ! $found ) { 785 $blog = reset( $all_blogs ); 786 update_user_meta( get_current_user_id(), 'primary_blog', $blog->userblog_id ); 787 } 788 } elseif ( count( $all_blogs ) == 1 ) { 789 $blog = reset( $all_blogs ); 790 echo esc_url( get_home_url( $blog->userblog_id ) ); 791 if ( $primary_blog != $blog->userblog_id ) { // Set the primary blog again if it's out of sync with blog list. 792 update_user_meta( get_current_user_id(), 'primary_blog', $blog->userblog_id ); 793 } 794 } else { 795 echo 'N/A'; 796 } 797 ?> 798 </td> 799 </tr> 800 </table> 801 <?php 802 } 803 804 /** 805 * Whether or not we can edit this network from this page. 806 * 807 * By default editing of network is restricted to the Network Admin for that `$network_id`. 808 * This function allows for this to be overridden. 809 * 810 * @since 3.1.0 811 * 812 * @param int $network_id The network ID to check. 813 * @return bool True if network can be edited, otherwise false. 814 */ 815 function can_edit_network( $network_id ) { 816 if ( get_current_network_id() == $network_id ) { 817 $result = true; 818 } else { 819 $result = false; 820 } 821 822 /** 823 * Filters whether this network can be edited from this page. 824 * 825 * @since 3.1.0 826 * 827 * @param bool $result Whether the network can be edited from this page. 828 * @param int $network_id The network ID to check. 829 */ 830 return apply_filters( 'can_edit_network', $result, $network_id ); 831 } 832 833 /** 834 * Thickbox image paths for Network Admin. 835 * 836 * @since 3.1.0 837 * 838 * @access private 839 */ 840 function _thickbox_path_admin_subfolder() { 841 ?> 842 <script type="text/javascript"> 843 var tb_pathToImage = "<?php echo includes_url( 'js/thickbox/loadingAnimation.gif', 'relative' ); ?>"; 844 </script> 845 <?php 846 } 847 848 /** 849 * @param array $users 850 */ 851 function confirm_delete_users( $users ) { 852 $current_user = wp_get_current_user(); 853 if ( ! is_array( $users ) || empty( $users ) ) { 854 return false; 855 } 856 ?> 857 <h1><?php esc_html_e( 'Users' ); ?></h1> 858 859 <?php if ( 1 == count( $users ) ) : ?> 860 <p><?php _e( 'You have chosen to delete the user from all networks and sites.' ); ?></p> 861 <?php else : ?> 862 <p><?php _e( 'You have chosen to delete the following users from all networks and sites.' ); ?></p> 863 <?php endif; ?> 864 865 <form action="users.php?action=dodelete" method="post"> 866 <input type="hidden" name="dodelete" /> 867 <?php 868 wp_nonce_field( 'ms-users-delete' ); 869 $site_admins = get_super_admins(); 870 $admin_out = '<option value="' . esc_attr( $current_user->ID ) . '">' . $current_user->user_login . '</option>'; 871 ?> 872 <table class="form-table" role="presentation"> 873 <?php 874 $allusers = (array) $_POST['allusers']; 875 foreach ( $allusers as $user_id ) { 876 if ( '' != $user_id && '0' != $user_id ) { 877 $delete_user = get_userdata( $user_id ); 878 879 if ( ! current_user_can( 'delete_user', $delete_user->ID ) ) { 880 wp_die( 881 sprintf( 882 /* translators: %s: User login. */ 883 __( 'Warning! User %s cannot be deleted.' ), 884 $delete_user->user_login 885 ) 886 ); 887 } 888 889 if ( in_array( $delete_user->user_login, $site_admins ) ) { 890 wp_die( 891 sprintf( 892 /* translators: %s: User login. */ 893 __( 'Warning! User cannot be deleted. The user %s is a network administrator.' ), 894 '<em>' . $delete_user->user_login . '</em>' 895 ) 896 ); 897 } 898 ?> 899 <tr> 900 <th scope="row"><?php echo $delete_user->user_login; ?> 901 <?php echo '<input type="hidden" name="user[]" value="' . esc_attr( $user_id ) . '" />' . "\n"; ?> 902 </th> 903 <?php 904 $blogs = get_blogs_of_user( $user_id, true ); 905 906 if ( ! empty( $blogs ) ) { 907 ?> 908 <td><fieldset><p><legend> 909 <?php 910 printf( 911 /* translators: %s: User login. */ 912 __( 'What should be done with content owned by %s?' ), 913 '<em>' . $delete_user->user_login . '</em>' 914 ); 915 ?> 916 </legend></p> 917 <?php 918 foreach ( (array) $blogs as $key => $details ) { 919 $blog_users = get_users( 920 array( 921 'blog_id' => $details->userblog_id, 922 'fields' => array( 'ID', 'user_login' ), 923 ) 924 ); 925 if ( is_array( $blog_users ) && ! empty( $blog_users ) ) { 926 $user_site = "<a href='" . esc_url( get_home_url( $details->userblog_id ) ) . "'>{$details->blogname}</a>"; 927 $user_dropdown = '<label for="reassign_user" class="screen-reader-text">' . __( 'Select a user' ) . '</label>'; 928 $user_dropdown .= "<select name='blog[$user_id][$key]' id='reassign_user'>"; 929 $user_list = ''; 930 foreach ( $blog_users as $user ) { 931 if ( ! in_array( $user->ID, $allusers ) ) { 932 $user_list .= "<option value='{$user->ID}'>{$user->user_login}</option>"; 933 } 934 } 935 if ( '' == $user_list ) { 936 $user_list = $admin_out; 937 } 938 $user_dropdown .= $user_list; 939 $user_dropdown .= "</select>\n"; 940 ?> 941 <ul style="list-style:none;"> 942 <li> 943 <?php 944 /* translators: %s: Link to user's site. */ 945 printf( __( 'Site: %s' ), $user_site ); 946 ?> 947 </li> 948 <li><label><input type="radio" id="delete_option0" name="delete[<?php echo $details->userblog_id . '][' . $delete_user->ID; ?>]" value="delete" checked="checked" /> 949 <?php _e( 'Delete all content.' ); ?></label></li> 950 <li><label><input type="radio" id="delete_option1" name="delete[<?php echo $details->userblog_id . '][' . $delete_user->ID; ?>]" value="reassign" /> 951 <?php _e( 'Attribute all content to:' ); ?></label> 952 <?php echo $user_dropdown; ?></li> 953 </ul> 954 <?php 955 } 956 } 957 echo '</fieldset></td></tr>'; 958 } else { 959 ?> 960 <td><p><?php _e( 'User has no sites or content and will be deleted.' ); ?></p></td> 961 <?php } ?> 962 </tr> 963 <?php 964 } 965 } 966 967 ?> 968 </table> 969 <?php 970 /** This action is documented in wp-admin/users.php */ 971 do_action( 'delete_user_form', $current_user, $allusers ); 972 973 if ( 1 == count( $users ) ) : 974 ?> 975 <p><?php _e( 'Once you hit “Confirm Deletion”, the user will be permanently removed.' ); ?></p> 976 <?php else : ?> 977 <p><?php _e( 'Once you hit “Confirm Deletion”, these users will be permanently removed.' ); ?></p> 978 <?php 979 endif; 980 981 submit_button( __( 'Confirm Deletion' ), 'primary' ); 982 ?> 983 </form> 984 <?php 985 return true; 986 } 987 988 /** 989 * Print JavaScript in the header on the Network Settings screen. 990 * 991 * @since 4.1.0 992 */ 993 function network_settings_add_js() { 994 ?> 995 <script type="text/javascript"> 996 jQuery(document).ready( function($) { 997 var languageSelect = $( '#WPLANG' ); 998 $( 'form' ).submit( function() { 999 // Don't show a spinner for English and installed languages, 1000 // as there is nothing to download. 1001 if ( ! languageSelect.find( 'option:selected' ).data( 'installed' ) ) { 1002 $( '#submit', this ).after( '<span class="spinner language-install-spinner is-active" />' ); 1003 } 1004 }); 1005 }); 1006 </script> 1007 <?php 1008 } 1009 1010 /** 1011 * Outputs the HTML for a network's "Edit Site" tabular interface. 1012 * 1013 * @since 4.6.0 1014 * 1015 * @param $args { 1016 * Optional. Array or string of Query parameters. Default empty array. 1017 * 1018 * @type int $blog_id The site ID. Default is the current site. 1019 * @type array $links The tabs to include with (label|url|cap) keys. 1020 * @type string $selected The ID of the selected link. 1021 * } 1022 */ 1023 function network_edit_site_nav( $args = array() ) { 1024 1025 /** 1026 * Filters the links that appear on site-editing network pages. 1027 * 1028 * Default links: 'site-info', 'site-users', 'site-themes', and 'site-settings'. 1029 * 1030 * @since 4.6.0 1031 * 1032 * @param array $links { 1033 * An array of link data representing individual network admin pages. 1034 * 1035 * @type array $link_slug { 1036 * An array of information about the individual link to a page. 1037 * 1038 * $type string $label Label to use for the link. 1039 * $type string $url URL, relative to `network_admin_url()` to use for the link. 1040 * $type string $cap Capability required to see the link. 1041 * } 1042 * } 1043 */ 1044 $links = apply_filters( 1045 'network_edit_site_nav_links', 1046 array( 1047 'site-info' => array( 1048 'label' => __( 'Info' ), 1049 'url' => 'site-info.php', 1050 'cap' => 'manage_sites', 1051 ), 1052 'site-users' => array( 1053 'label' => __( 'Users' ), 1054 'url' => 'site-users.php', 1055 'cap' => 'manage_sites', 1056 ), 1057 'site-themes' => array( 1058 'label' => __( 'Themes' ), 1059 'url' => 'site-themes.php', 1060 'cap' => 'manage_sites', 1061 ), 1062 'site-settings' => array( 1063 'label' => __( 'Settings' ), 1064 'url' => 'site-settings.php', 1065 'cap' => 'manage_sites', 1066 ), 1067 ) 1068 ); 1069 1070 // Parse arguments. 1071 $parsed_args = wp_parse_args( 1072 $args, 1073 array( 1074 'blog_id' => isset( $_GET['blog_id'] ) ? (int) $_GET['blog_id'] : 0, 1075 'links' => $links, 1076 'selected' => 'site-info', 1077 ) 1078 ); 1079 1080 // Setup the links array. 1081 $screen_links = array(); 1082 1083 // Loop through tabs. 1084 foreach ( $parsed_args['links'] as $link_id => $link ) { 1085 1086 // Skip link if user can't access. 1087 if ( ! current_user_can( $link['cap'], $parsed_args['blog_id'] ) ) { 1088 continue; 1089 } 1090 1091 // Link classes. 1092 $classes = array( 'nav-tab' ); 1093 1094 // Aria-current attribute. 1095 $aria_current = ''; 1096 1097 // Selected is set by the parent OR assumed by the $pagenow global. 1098 if ( $parsed_args['selected'] === $link_id || $link['url'] === $GLOBALS['pagenow'] ) { 1099 $classes[] = 'nav-tab-active'; 1100 $aria_current = ' aria-current="page"'; 1101 } 1102 1103 // Escape each class. 1104 $esc_classes = implode( ' ', $classes ); 1105 1106 // Get the URL for this link. 1107 $url = add_query_arg( array( 'id' => $parsed_args['blog_id'] ), network_admin_url( $link['url'] ) ); 1108 1109 // Add link to nav links. 1110 $screen_links[ $link_id ] = '<a href="' . esc_url( $url ) . '" id="' . esc_attr( $link_id ) . '" class="' . $esc_classes . '"' . $aria_current . '>' . esc_html( $link['label'] ) . '</a>'; 1111 } 1112 1113 // All done! 1114 echo '<nav class="nav-tab-wrapper wp-clearfix" aria-label="' . esc_attr__( 'Secondary menu' ) . '">'; 1115 echo implode( '', $screen_links ); 1116 echo '</nav>'; 1117 } 1118 1119 /** 1120 * Returns the arguments for the help tab on the Edit Site screens. 1121 * 1122 * @since 4.9.0 1123 * 1124 * @return array Help tab arguments. 1125 */ 1126 function get_site_screen_help_tab_args() { 1127 return array( 1128 'id' => 'overview', 1129 'title' => __( 'Overview' ), 1130 'content' => 1131 '<p>' . __( 'The menu is for editing information specific to individual sites, particularly if the admin area of a site is unavailable.' ) . '</p>' . 1132 '<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>' . 1133 '<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>' . 1134 '<p>' . sprintf( 1135 /* translators: %s: URL to Network Themes screen. */ 1136 __( '<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.' ), 1137 network_admin_url( 'themes.php' ) 1138 ) . '</p>' . 1139 '<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>', 1140 ); 1141 } 1142 1143 /** 1144 * Returns the content for the help sidebar on the Edit Site screens. 1145 * 1146 * @since 4.9.0 1147 * 1148 * @return string Help sidebar content. 1149 */ 1150 function get_site_screen_help_sidebar_content() { 1151 return '<p><strong>' . __( 'For more information:' ) . '</strong></p>' . 1152 '<p>' . __( '<a href="https://wordpress.org/support/article/network-admin-sites-screen/">Documentation on Site Management</a>' ) . '</p>' . 1153 '<p>' . __( '<a href="https://wordpress.org/support/forum/multisite/">Support Forums</a>' ) . '</p>'; 1154 }
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| Generated: Sun Apr 5 01:00:03 2020 | Cross-referenced by PHPXref 0.7.1 |