Diff: STRATO-apps/wordpress_03/app/wp-includes/ms-load.php

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1 + <?php
2 + /**
3 + * These functions are needed to load Multisite.
4 + *
5 + * @since 3.0.0
6 + *
7 + * @package WordPress
8 + * @subpackage Multisite
9 + */
10 +
11 + /**
12 + * Whether a subdomain configuration is enabled.
13 + *
14 + * @since 3.0.0
15 + *
16 + * @return bool True if subdomain configuration is enabled, false otherwise.
17 + */
18 + function is_subdomain_install() {
19 + if ( defined( 'SUBDOMAIN_INSTALL' ) ) {
20 + return SUBDOMAIN_INSTALL;
21 + }
22 +
23 + return ( defined( 'VHOST' ) && 'yes' === VHOST );
24 + }
25 +
26 + /**
27 + * Returns array of network plugin files to be included in global scope.
28 + *
29 + * The default directory is wp-content/plugins. To change the default directory
30 + * manually, define `WP_PLUGIN_DIR` and `WP_PLUGIN_URL` in `wp-config.php`.
31 + *
32 + * @access private
33 + * @since 3.1.0
34 + *
35 + * @return string[] Array of absolute paths to files to include.
36 + */
37 + function wp_get_active_network_plugins() {
38 + $active_plugins = (array) get_site_option( 'active_sitewide_plugins', array() );
39 + if ( empty( $active_plugins ) ) {
40 + return array();
41 + }
42 +
43 + $plugins = array();
44 + $active_plugins = array_keys( $active_plugins );
45 + sort( $active_plugins );
46 +
47 + foreach ( $active_plugins as $plugin ) {
48 + if ( ! validate_file( $plugin ) // $plugin must validate as file.
49 + && str_ends_with( $plugin, '.php' ) // $plugin must end with '.php'.
50 + && file_exists( WP_PLUGIN_DIR . '/' . $plugin ) // $plugin must exist.
51 + ) {
52 + $plugins[] = WP_PLUGIN_DIR . '/' . $plugin;
53 + }
54 + }
55 +
56 + return $plugins;
57 + }
58 +
59 + /**
60 + * Checks status of current blog.
61 + *
62 + * Checks if the blog is deleted, inactive, archived, or spammed.
63 + *
64 + * Dies with a default message if the blog does not pass the check.
65 + *
66 + * To change the default message when a blog does not pass the check,
67 + * use the wp-content/blog-deleted.php, blog-inactive.php and
68 + * blog-suspended.php drop-ins.
69 + *
70 + * @since 3.0.0
71 + *
72 + * @return true|string Returns true on success, or drop-in file to include.
73 + */
74 + function ms_site_check() {
75 +
76 + /**
77 + * Filters checking the status of the current blog.
78 + *
79 + * @since 3.0.0
80 + *
81 + * @param bool|null $check Whether to skip the blog status check. Default null.
82 + */
83 + $check = apply_filters( 'ms_site_check', null );
84 + if ( null !== $check ) {
85 + return true;
86 + }
87 +
88 + // Allow super admins to see blocked sites.
89 + if ( is_super_admin() ) {
90 + return true;
91 + }
92 +
93 + $blog = get_site();
94 +
95 + if ( '1' === $blog->deleted ) {
96 + if ( file_exists( WP_CONTENT_DIR . '/blog-deleted.php' ) ) {
97 + return WP_CONTENT_DIR . '/blog-deleted.php';
98 + } else {
99 + wp_die( __( 'This site is no longer available.' ), '', array( 'response' => 410 ) );
100 + }
101 + }
102 +
103 + if ( '2' === $blog->deleted ) {
104 + if ( file_exists( WP_CONTENT_DIR . '/blog-inactive.php' ) ) {
105 + return WP_CONTENT_DIR . '/blog-inactive.php';
106 + } else {
107 + $admin_email = str_replace( '@', ' AT ', get_site_option( 'admin_email', 'support@' . get_network()->domain ) );
108 + wp_die(
109 + sprintf(
110 + /* translators: %s: Admin email link. */
111 + __( 'This site has not been activated yet. If you are having problems activating your site, please contact %s.' ),
112 + sprintf( '<a href="mailto:%1$s">%1$s</a>', $admin_email )
113 + )
114 + );
115 + }
116 + }
117 +
118 + if ( '1' === $blog->archived || '1' === $blog->spam ) {
119 + if ( file_exists( WP_CONTENT_DIR . '/blog-suspended.php' ) ) {
120 + return WP_CONTENT_DIR . '/blog-suspended.php';
121 + } else {
122 + wp_die( __( 'This site has been archived or suspended.' ), '', array( 'response' => 410 ) );
123 + }
124 + }
125 +
126 + return true;
127 + }
128 +
129 + /**
130 + * Retrieves the closest matching network for a domain and path.
131 + *
132 + * {@internal In 4.4.0, converted to a wrapper for WP_Network::get_by_path()}
133 + *
134 + * @since 3.9.0
135 + *
136 + * @param string $domain Domain to check.
137 + * @param string $path Path to check.
138 + * @param int|null $segments Path segments to use. Defaults to null, or the full path.
139 + * @return WP_Network|false Network object if successful. False when no network is found.
140 + */
141 + function get_network_by_path( $domain, $path, $segments = null ) {
142 + return WP_Network::get_by_path( $domain, $path, $segments );
143 + }
144 +
145 + /**
146 + * Retrieves the closest matching site object by its domain and path.
147 + *
148 + * This will not necessarily return an exact match for a domain and path. Instead, it
149 + * breaks the domain and path into pieces that are then used to match the closest
150 + * possibility from a query.
151 + *
152 + * The intent of this method is to match a site object during bootstrap for a
153 + * requested site address
154 + *
155 + * @since 3.9.0
156 + * @since 4.7.0 Updated to always return a `WP_Site` object.
157 + *
158 + * @param string $domain Domain to check.
159 + * @param string $path Path to check.
160 + * @param int|null $segments Path segments to use. Defaults to null, or the full path.
161 + * @return WP_Site|false Site object if successful. False when no site is found.
162 + */
163 + function get_site_by_path( $domain, $path, $segments = null ) {
164 + $path_segments = array_filter( explode( '/', trim( $path, '/' ) ) );
165 +
166 + /**
167 + * Filters the number of path segments to consider when searching for a site.
168 + *
169 + * @since 3.9.0
170 + *
171 + * @param int|null $segments The number of path segments to consider. WordPress by default looks at
172 + * one path segment following the network path. The function default of
173 + * null only makes sense when you know the requested path should match a site.
174 + * @param string $domain The requested domain.
175 + * @param string $path The requested path, in full.
176 + */
177 + $segments = apply_filters( 'site_by_path_segments_count', $segments, $domain, $path );
178 +
179 + if ( null !== $segments && count( $path_segments ) > $segments ) {
180 + $path_segments = array_slice( $path_segments, 0, $segments );
181 + }
182 +
183 + $paths = array();
184 +
185 + while ( count( $path_segments ) ) {
186 + $paths[] = '/' . implode( '/', $path_segments ) . '/';
187 + array_pop( $path_segments );
188 + }
189 +
190 + $paths[] = '/';
191 +
192 + /**
193 + * Determines a site by its domain and path.
194 + *
195 + * This allows one to short-circuit the default logic, perhaps by
196 + * replacing it with a routine that is more optimal for your setup.
197 + *
198 + * Return null to avoid the short-circuit. Return false if no site
199 + * can be found at the requested domain and path. Otherwise, return
200 + * a site object.
201 + *
202 + * @since 3.9.0
203 + *
204 + * @param null|false|WP_Site $site Site value to return by path. Default null
205 + * to continue retrieving the site.
206 + * @param string $domain The requested domain.
207 + * @param string $path The requested path, in full.
208 + * @param int|null $segments The suggested number of paths to consult.
209 + * Default null, meaning the entire path was to be consulted.
210 + * @param string[] $paths The paths to search for, based on $path and $segments.
211 + */
212 + $pre = apply_filters( 'pre_get_site_by_path', null, $domain, $path, $segments, $paths );
213 + if ( null !== $pre ) {
214 + if ( false !== $pre && ! $pre instanceof WP_Site ) {
215 + $pre = new WP_Site( $pre );
216 + }
217 + return $pre;
218 + }
219 +
220 + /*
221 + * @todo
222 + * Caching, etc. Consider alternative optimization routes,
223 + * perhaps as an opt-in for plugins, rather than using the pre_* filter.
224 + * For example: The segments filter can expand or ignore paths.
225 + * If persistent caching is enabled, we could query the DB for a path <> '/'
226 + * then cache whether we can just always ignore paths.
227 + */
228 +
229 + /*
230 + * Either www or non-www is supported, not both. If a www domain is requested,
231 + * query for both to provide the proper redirect.
232 + */
233 + $domains = array( $domain );
234 + if ( str_starts_with( $domain, 'www.' ) ) {
235 + $domains[] = substr( $domain, 4 );
236 + }
237 +
238 + $args = array(
239 + 'number' => 1,
240 + 'update_site_meta_cache' => false,
241 + );
242 +
243 + if ( count( $domains ) > 1 ) {
244 + $args['domain__in'] = $domains;
245 + $args['orderby']['domain_length'] = 'DESC';
246 + } else {
247 + $args['domain'] = array_shift( $domains );
248 + }
249 +
250 + if ( count( $paths ) > 1 ) {
251 + $args['path__in'] = $paths;
252 + $args['orderby']['path_length'] = 'DESC';
253 + } else {
254 + $args['path'] = array_shift( $paths );
255 + }
256 +
257 + $result = get_sites( $args );
258 + $site = array_shift( $result );
259 +
260 + if ( $site ) {
261 + return $site;
262 + }
263 +
264 + return false;
265 + }
266 +
267 + /**
268 + * Identifies the network and site of a requested domain and path and populates the
269 + * corresponding network and site global objects as part of the multisite bootstrap process.
270 + *
271 + * Prior to 4.6.0, this was a procedural block in `ms-settings.php`. It was wrapped into
272 + * a function to facilitate unit tests. It should not be used outside of core.
273 + *
274 + * Usually, it's easier to query the site first, which then declares its network.
275 + * In limited situations, we either can or must find the network first.
276 + *
277 + * If a network and site are found, a `true` response will be returned so that the
278 + * request can continue.
279 + *
280 + * If neither a network or site is found, `false` or a URL string will be returned
281 + * so that either an error can be shown or a redirect can occur.
282 + *
283 + * @since 4.6.0
284 + * @access private
285 + *
286 + * @global WP_Network $current_site The current network.
287 + * @global WP_Site $current_blog The current site.
288 + *
289 + * @param string $domain The requested domain.
290 + * @param string $path The requested path.
291 + * @param bool $subdomain Optional. Whether a subdomain (true) or subdirectory (false) configuration.
292 + * Default false.
293 + * @return bool|string True if bootstrap successfully populated `$current_blog` and `$current_site`.
294 + * False if bootstrap could not be properly completed.
295 + * Redirect URL if parts exist, but the request as a whole can not be fulfilled.
296 + */
297 + function ms_load_current_site_and_network( $domain, $path, $subdomain = false ) {
298 + global $current_site, $current_blog;
299 +
300 + // If the network is defined in wp-config.php, we can simply use that.
301 + if ( defined( 'DOMAIN_CURRENT_SITE' ) && defined( 'PATH_CURRENT_SITE' ) ) {
302 + $current_site = new stdClass();
303 + $current_site->id = defined( 'SITE_ID_CURRENT_SITE' ) ? SITE_ID_CURRENT_SITE : 1;
304 + $current_site->domain = DOMAIN_CURRENT_SITE;
305 + $current_site->path = PATH_CURRENT_SITE;
306 + if ( defined( 'BLOG_ID_CURRENT_SITE' ) ) {
307 + $current_site->blog_id = BLOG_ID_CURRENT_SITE;
308 + } elseif ( defined( 'BLOGID_CURRENT_SITE' ) ) { // Deprecated.
309 + $current_site->blog_id = BLOGID_CURRENT_SITE;
310 + }
311 +
312 + if ( 0 === strcasecmp( $current_site->domain, $domain ) && 0 === strcasecmp( $current_site->path, $path ) ) {
313 + $current_blog = get_site_by_path( $domain, $path );
314 + } elseif ( '/' !== $current_site->path && 0 === strcasecmp( $current_site->domain, $domain ) && 0 === stripos( $path, $current_site->path ) ) {
315 + /*
316 + * If the current network has a path and also matches the domain and path of the request,
317 + * we need to look for a site using the first path segment following the network's path.
318 + */
319 + $current_blog = get_site_by_path( $domain, $path, 1 + count( explode( '/', trim( $current_site->path, '/' ) ) ) );
320 + } else {
321 + // Otherwise, use the first path segment (as usual).
322 + $current_blog = get_site_by_path( $domain, $path, 1 );
323 + }
324 + } elseif ( ! $subdomain ) {
325 + /*
326 + * A "subdomain" installation can be re-interpreted to mean "can support any domain".
327 + * If we're not dealing with one of these installations, then the important part is determining
328 + * the network first, because we need the network's path to identify any sites.
329 + */
330 + $current_site = wp_cache_get( 'current_network', 'site-options' );
331 + if ( ! $current_site ) {
332 + // Are there even two networks installed?
333 + $networks = get_networks( array( 'number' => 2 ) );
334 + if ( count( $networks ) === 1 ) {
335 + $current_site = array_shift( $networks );
336 + wp_cache_add( 'current_network', $current_site, 'site-options' );
337 + } elseif ( empty( $networks ) ) {
338 + // A network not found hook should fire here.
339 + return false;
340 + }
341 + }
342 +
343 + if ( empty( $current_site ) ) {
344 + $current_site = WP_Network::get_by_path( $domain, $path, 1 );
345 + }
346 +
347 + if ( empty( $current_site ) ) {
348 + /**
349 + * Fires when a network cannot be found based on the requested domain and path.
350 + *
351 + * At the time of this action, the only recourse is to redirect somewhere
352 + * and exit. If you want to declare a particular network, do so earlier.
353 + *
354 + * @since 4.4.0
355 + *
356 + * @param string $domain The domain used to search for a network.
357 + * @param string $path The path used to search for a path.
358 + */
359 + do_action( 'ms_network_not_found', $domain, $path );
360 +
361 + return false;
362 + } elseif ( $path === $current_site->path ) {
363 + $current_blog = get_site_by_path( $domain, $path );
364 + } else {
365 + // Search the network path + one more path segment (on top of the network path).
366 + $current_blog = get_site_by_path( $domain, $path, substr_count( $current_site->path, '/' ) );
367 + }
368 + } else {
369 + // Find the site by the domain and at most the first path segment.
370 + $current_blog = get_site_by_path( $domain, $path, 1 );
371 + if ( $current_blog ) {
372 + $current_site = WP_Network::get_instance( $current_blog->site_id ? $current_blog->site_id : 1 );
373 + } else {
374 + // If you don't have a site with the same domain/path as a network, you're pretty screwed, but:
375 + $current_site = WP_Network::get_by_path( $domain, $path, 1 );
376 + }
377 + }
378 +
379 + // The network declared by the site trumps any constants.
380 + if ( $current_blog && (int) $current_blog->site_id !== $current_site->id ) {
381 + $current_site = WP_Network::get_instance( $current_blog->site_id );
382 + }
383 +
384 + // No network has been found, bail.
385 + if ( empty( $current_site ) ) {
386 + /** This action is documented in wp-includes/ms-settings.php */
387 + do_action( 'ms_network_not_found', $domain, $path );
388 +
389 + return false;
390 + }
391 +
392 + // During activation of a new subdomain, the requested site does not yet exist.
393 + if ( empty( $current_blog ) && wp_installing() ) {
394 + $current_blog = new stdClass();
395 + $current_blog->blog_id = 1;
396 + $blog_id = 1;
397 + $current_blog->public = 1;
398 + }
399 +
400 + // No site has been found, bail.
401 + if ( empty( $current_blog ) ) {
402 + // We're going to redirect to the network URL, with some possible modifications.
403 + $scheme = is_ssl() ? 'https' : 'http';
404 + $destination = "$scheme://{$current_site->domain}{$current_site->path}";
405 +
406 + /**
407 + * Fires when a network can be determined but a site cannot.
408 + *
409 + * At the time of this action, the only recourse is to redirect somewhere
410 + * and exit. If you want to declare a particular site, do so earlier.
411 + *
412 + * @since 3.9.0
413 + *
414 + * @param WP_Network $current_site The network that had been determined.
415 + * @param string $domain The domain used to search for a site.
416 + * @param string $path The path used to search for a site.
417 + */
418 + do_action( 'ms_site_not_found', $current_site, $domain, $path );
419 +
420 + if ( $subdomain && ! defined( 'NOBLOGREDIRECT' ) ) {
421 + // For a "subdomain" installation, redirect to the signup form specifically.
422 + $destination .= 'wp-signup.php?new=' . str_replace( '.' . $current_site->domain, '', $domain );
423 + } elseif ( $subdomain ) {
424 + /*
425 + * For a "subdomain" installation, the NOBLOGREDIRECT constant
426 + * can be used to avoid a redirect to the signup form.
427 + * Using the ms_site_not_found action is preferred to the constant.
428 + */
429 + if ( '%siteurl%' !== NOBLOGREDIRECT ) {
430 + $destination = NOBLOGREDIRECT;
431 + }
432 + } elseif ( 0 === strcasecmp( $current_site->domain, $domain ) ) {
433 + /*
434 + * If the domain we were searching for matches the network's domain,
435 + * it's no use redirecting back to ourselves -- it'll cause a loop.
436 + * As we couldn't find a site, we're simply not installed.
437 + */
438 + return false;
439 + }
440 +
441 + return $destination;
442 + }
443 +
444 + // Figure out the current network's main site.
445 + if ( empty( $current_site->blog_id ) ) {
446 + $current_site->blog_id = get_main_site_id( $current_site->id );
447 + }
448 +
449 + return true;
450 + }
451 +
452 + /**
453 + * Displays a failure message.
454 + *
455 + * Used when a blog's tables do not exist. Checks for a missing $wpdb->site table as well.
456 + *
457 + * @access private
458 + * @since 3.0.0
459 + * @since 4.4.0 The `$domain` and `$path` parameters were added.
460 + *
461 + * @global wpdb $wpdb WordPress database abstraction object.
462 + *
463 + * @param string $domain The requested domain for the error to reference.
464 + * @param string $path The requested path for the error to reference.
465 + */
466 + function ms_not_installed( $domain, $path ) {
467 + global $wpdb;
468 +
469 + if ( ! is_admin() ) {
470 + dead_db();
471 + }
472 +
473 + wp_load_translations_early();
474 +
475 + $title = __( 'Error establishing a database connection' );
476 +
477 + $msg = '<h1>' . $title . '</h1>';
478 + $msg .= '<p>' . __( 'If your site does not display, please contact the owner of this network.' ) . '';
479 + $msg .= ' ' . __( 'If you are the owner of this network please check that your host&#8217;s database server is running properly and all tables are error free.' ) . '</p>';
480 + $query = $wpdb->prepare( 'SHOW TABLES LIKE %s', $wpdb->esc_like( $wpdb->site ) );
481 + if ( ! $wpdb->get_var( $query ) ) {
482 + $msg .= '<p>' . sprintf(
483 + /* translators: %s: Table name. */
484 + __( '<strong>Database tables are missing.</strong> This means that your host&#8217;s database server is not running, WordPress was not installed properly, or someone deleted %s. You really should look at your database now.' ),
485 + '<code>' . $wpdb->site . '</code>'
486 + ) . '</p>';
487 + } else {
488 + $msg .= '<p>' . sprintf(
489 + /* translators: 1: Site URL, 2: Table name, 3: Database name. */
490 + __( '<strong>Could not find site %1$s.</strong> Searched for table %2$s in database %3$s. Is that right?' ),
491 + '<code>' . rtrim( $domain . $path, '/' ) . '</code>',
492 + '<code>' . $wpdb->blogs . '</code>',
493 + '<code>' . DB_NAME . '</code>'
494 + ) . '</p>';
495 + }
496 + $msg .= '<p><strong>' . __( 'What do I do now?' ) . '</strong> ';
497 + $msg .= sprintf(
498 + /* translators: %s: Documentation URL. */
499 + __( 'Read the <a href="%s" target="_blank">Debugging a WordPress Network</a> article. Some of the suggestions there may help you figure out what went wrong.' ),
500 + __( 'https://developer.wordpress.org/advanced-administration/debug/debug-network/' )
501 + );
502 + $msg .= ' ' . __( 'If you are still stuck with this message, then check that your database contains the following tables:' ) . '</p><ul>';
503 + foreach ( $wpdb->tables( 'global' ) as $t => $table ) {
504 + if ( 'sitecategories' === $t ) {
505 + continue;
506 + }
507 + $msg .= '<li>' . $table . '</li>';
508 + }
509 + $msg .= '</ul>';
510 +
511 + wp_die( $msg, $title, array( 'response' => 500 ) );
512 + }
513 +
514 + /**
515 + * This deprecated function formerly set the site_name property of the $current_site object.
516 + *
517 + * This function simply returns the object, as before.
518 + * The bootstrap takes care of setting site_name.
519 + *
520 + * @access private
521 + * @since 3.0.0
522 + * @deprecated 3.9.0 Use get_current_site() instead.
523 + *
524 + * @param WP_Network $current_site
525 + * @return WP_Network
526 + */
527 + function get_current_site_name( $current_site ) {
528 + _deprecated_function( __FUNCTION__, '3.9.0', 'get_current_site()' );
529 + return $current_site;
530 + }
531 +
532 + /**
533 + * This deprecated function managed much of the site and network loading in multisite.
534 + *
535 + * The current bootstrap code is now responsible for parsing the site and network load as
536 + * well as setting the global $current_site object.
537 + *
538 + * @access private
539 + * @since 3.0.0
540 + * @deprecated 3.9.0
541 + *
542 + * @global WP_Network $current_site
543 + *
544 + * @return WP_Network
545 + */
546 + function wpmu_current_site() {
547 + global $current_site;
548 + _deprecated_function( __FUNCTION__, '3.9.0' );
549 + return $current_site;
550 + }
551 +
552 + /**
553 + * Retrieves an object containing information about the requested network.
554 + *
555 + * {@internal In 4.6.0, converted to use get_network()}
556 + *
557 + * @since 3.9.0
558 + * @deprecated 4.7.0 Use get_network()
559 + * @see get_network()
560 + *
561 + * @param object|int $network The network's database row or ID.
562 + * @return WP_Network|false Object containing network information if found, false if not.
563 + */
564 + function wp_get_network( $network ) {
565 + _deprecated_function( __FUNCTION__, '4.7.0', 'get_network()' );
566 +
567 + $network = get_network( $network );
568 + if ( null === $network ) {
569 + return false;
570 + }
571 +
572 + return $network;
573 + }
574 +