8 * @package WordPress |
8 * @package WordPress |
9 * @subpackage Multisite |
9 * @subpackage Multisite |
10 * @since 3.0.0 |
10 * @since 3.0.0 |
11 */ |
11 */ |
12 |
12 |
13 /** Include Multisite initialization functions */ |
13 /** |
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14 * Objects representing the current network and current site. |
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15 * |
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16 * These may be populated through a custom `sunrise.php`. If not, then this |
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17 * file will attempt to populate them based on the current request. |
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18 * |
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19 * @global WP_Network $current_site The current network. |
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20 * @global object $current_blog The current site. |
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21 * @global string $domain Deprecated. The domain of the site found on load. |
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22 * Use `get_site()->domain` instead. |
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23 * @global string $path Deprecated. The path of the site found on load. |
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24 * Use `get_site()->path` instead. |
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25 * @global int $site_id Deprecated. The ID of the network found on load. |
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26 * Use `get_current_network_id()` instead. |
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27 * @global bool $public Deprecated. Whether the site found on load is public. |
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28 * Use `get_site()->public` instead. |
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29 * |
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30 * @since 3.0.0 |
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31 */ |
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32 global $current_site, $current_blog, $domain, $path, $site_id, $public; |
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33 |
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34 /** WP_Network class */ |
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35 require_once( ABSPATH . WPINC . '/class-wp-network.php' ); |
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36 |
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37 /** WP_Site class */ |
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38 require_once( ABSPATH . WPINC . '/class-wp-site.php' ); |
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39 |
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40 /** Multisite loader */ |
14 require_once( ABSPATH . WPINC . '/ms-load.php' ); |
41 require_once( ABSPATH . WPINC . '/ms-load.php' ); |
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42 |
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43 /** Default Multisite constants */ |
15 require_once( ABSPATH . WPINC . '/ms-default-constants.php' ); |
44 require_once( ABSPATH . WPINC . '/ms-default-constants.php' ); |
16 |
45 |
17 if ( defined( 'SUNRISE' ) ) { |
46 if ( defined( 'SUNRISE' ) ) { |
18 include_once( WP_CONTENT_DIR . '/sunrise.php' ); |
47 include_once( WP_CONTENT_DIR . '/sunrise.php' ); |
19 } |
48 } |
20 |
49 |
21 /** Check for and define SUBDOMAIN_INSTALL and the deprecated VHOST constant. */ |
50 /** Check for and define SUBDOMAIN_INSTALL and the deprecated VHOST constant. */ |
22 ms_subdomain_constants(); |
51 ms_subdomain_constants(); |
23 |
52 |
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53 // This block will process a request if the current network or current site objects |
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54 // have not been populated in the global scope through something like `sunrise.php`. |
24 if ( !isset( $current_site ) || !isset( $current_blog ) ) { |
55 if ( !isset( $current_site ) || !isset( $current_blog ) ) { |
25 |
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26 // Given the domain and path, let's try to identify the network and site. |
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27 // Usually, it's easier to query the site first, which declares its network. |
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28 // In limited situations, though, we either can or must find the network first. |
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29 |
56 |
30 $domain = strtolower( stripslashes( $_SERVER['HTTP_HOST'] ) ); |
57 $domain = strtolower( stripslashes( $_SERVER['HTTP_HOST'] ) ); |
31 if ( substr( $domain, -3 ) == ':80' ) { |
58 if ( substr( $domain, -3 ) == ':80' ) { |
32 $domain = substr( $domain, 0, -3 ); |
59 $domain = substr( $domain, 0, -3 ); |
33 $_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -3 ); |
60 $_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -3 ); |
40 if ( is_admin() ) { |
67 if ( is_admin() ) { |
41 $path = preg_replace( '#(.*)/wp-admin/.*#', '$1/', $path ); |
68 $path = preg_replace( '#(.*)/wp-admin/.*#', '$1/', $path ); |
42 } |
69 } |
43 list( $path ) = explode( '?', $path ); |
70 list( $path ) = explode( '?', $path ); |
44 |
71 |
45 // If the network is defined in wp-config.php, we can simply use that. |
72 $bootstrap_result = ms_load_current_site_and_network( $domain, $path, is_subdomain_install() ); |
46 if ( defined( 'DOMAIN_CURRENT_SITE' ) && defined( 'PATH_CURRENT_SITE' ) ) { |
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47 $current_site = new stdClass; |
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48 $current_site->id = defined( 'SITE_ID_CURRENT_SITE' ) ? SITE_ID_CURRENT_SITE : 1; |
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49 $current_site->domain = DOMAIN_CURRENT_SITE; |
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50 $current_site->path = PATH_CURRENT_SITE; |
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51 if ( defined( 'BLOG_ID_CURRENT_SITE' ) ) { |
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52 $current_site->blog_id = BLOG_ID_CURRENT_SITE; |
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53 } elseif ( defined( 'BLOGID_CURRENT_SITE' ) ) { // deprecated. |
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54 $current_site->blog_id = BLOGID_CURRENT_SITE; |
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55 } |
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56 |
73 |
57 if ( 0 === strcasecmp( $current_site->domain, $domain ) && 0 === strcasecmp( $current_site->path, $path ) ) { |
74 if ( true === $bootstrap_result ) { |
58 $current_blog = get_site_by_path( $domain, $path ); |
75 // `$current_blog` and `$current_site are now populated. |
59 } elseif ( '/' !== $current_site->path && 0 === strcasecmp( $current_site->domain, $domain ) && 0 === stripos( $path, $current_site->path ) ) { |
76 } elseif ( false === $bootstrap_result ) { |
60 // If the current network has a path and also matches the domain and path of the request, |
77 ms_not_installed( $domain, $path ); |
61 // we need to look for a site using the first path segment following the network's path. |
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62 $current_blog = get_site_by_path( $domain, $path, 1 + count( explode( '/', trim( $current_site->path, '/' ) ) ) ); |
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63 } else { |
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64 // Otherwise, use the first path segment (as usual). |
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65 $current_blog = get_site_by_path( $domain, $path, 1 ); |
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66 } |
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67 |
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68 } elseif ( ! is_subdomain_install() ) { |
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69 /* |
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70 * A "subdomain" install can be re-interpreted to mean "can support any domain". |
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71 * If we're not dealing with one of these installs, then the important part is determining |
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72 * the network first, because we need the network's path to identify any sites. |
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73 */ |
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74 if ( ! $current_site = wp_cache_get( 'current_network', 'site-options' ) ) { |
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75 // Are there even two networks installed? |
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76 $one_network = $wpdb->get_row( "SELECT * FROM $wpdb->site LIMIT 2" ); // [sic] |
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77 if ( 1 === $wpdb->num_rows ) { |
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78 $current_site = wp_get_network( $one_network ); |
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79 wp_cache_add( 'current_network', $current_site, 'site-options' ); |
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80 } elseif ( 0 === $wpdb->num_rows ) { |
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81 ms_not_installed(); |
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82 } |
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83 } |
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84 if ( empty( $current_site ) ) { |
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85 $current_site = get_network_by_path( $domain, $path, 1 ); |
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86 } |
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87 |
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88 if ( empty( $current_site ) ) { |
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89 ms_not_installed(); |
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90 } elseif ( $path === $current_site->path ) { |
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91 $current_blog = get_site_by_path( $domain, $path ); |
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92 } else { |
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93 // Search the network path + one more path segment (on top of the network path). |
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94 $current_blog = get_site_by_path( $domain, $path, substr_count( $current_site->path, '/' ) ); |
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95 } |
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96 } else { |
78 } else { |
97 // Find the site by the domain and at most the first path segment. |
79 header( 'Location: ' . $bootstrap_result ); |
98 $current_blog = get_site_by_path( $domain, $path, 1 ); |
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99 if ( $current_blog ) { |
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100 $current_site = wp_get_network( $current_blog->site_id ? $current_blog->site_id : 1 ); |
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101 } else { |
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102 // If you don't have a site with the same domain/path as a network, you're pretty screwed, but: |
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103 $current_site = get_network_by_path( $domain, $path, 1 ); |
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104 } |
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105 } |
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106 |
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107 // The network declared by the site trumps any constants. |
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108 if ( $current_blog && $current_blog->site_id != $current_site->id ) { |
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109 $current_site = wp_get_network( $current_blog->site_id ); |
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110 } |
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111 |
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112 // No network has been found, bail. |
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113 if ( empty( $current_site ) ) { |
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114 ms_not_installed(); |
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115 } |
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116 |
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117 // @todo Investigate when exactly this can occur. |
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118 if ( empty( $current_blog ) && defined( 'WP_INSTALLING' ) ) { |
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119 $current_blog = new stdClass; |
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120 $current_blog->blog_id = $blog_id = 1; |
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121 } |
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122 |
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123 // No site has been found, bail. |
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124 if ( empty( $current_blog ) ) { |
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125 // We're going to redirect to the network URL, with some possible modifications. |
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126 $scheme = is_ssl() ? 'https' : 'http'; |
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127 $destination = "$scheme://{$current_site->domain}{$current_site->path}"; |
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128 |
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129 /** |
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130 * Fires when a network can be determined but a site cannot. |
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131 * |
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132 * At the time of this action, the only recourse is to redirect somewhere |
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133 * and exit. If you want to declare a particular site, do so earlier. |
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134 * |
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135 * @since 3.9.0 |
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136 * |
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137 * @param object $current_site The network that had been determined. |
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138 * @param string $domain The domain used to search for a site. |
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139 * @param string $path The path used to search for a site. |
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140 */ |
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141 do_action( 'ms_site_not_found', $current_site, $domain, $path ); |
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142 |
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143 if ( is_subdomain_install() && ! defined( 'NOBLOGREDIRECT' ) ) { |
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144 // For a "subdomain" install, redirect to the signup form specifically. |
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145 $destination .= 'wp-signup.php?new=' . str_replace( '.' . $current_site->domain, '', $domain ); |
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146 } elseif ( is_subdomain_install() ) { |
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147 // For a "subdomain" install, the NOBLOGREDIRECT constant |
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148 // can be used to avoid a redirect to the signup form. |
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149 // Using the ms_site_not_found action is preferred to the constant. |
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150 if ( '%siteurl%' !== NOBLOGREDIRECT ) { |
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151 $destination = NOBLOGREDIRECT; |
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152 } |
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153 } elseif ( 0 === strcasecmp( $current_site->domain, $domain ) ) { |
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154 /* |
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155 * If the domain we were searching for matches the network's domain, |
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156 * it's no use redirecting back to ourselves -- it'll cause a loop. |
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157 * As we couldn't find a site, we're simply not installed. |
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158 */ |
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159 ms_not_installed(); |
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160 } |
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161 |
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162 header( 'Location: ' . $destination ); |
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163 exit; |
80 exit; |
164 } |
81 } |
165 |
82 unset( $bootstrap_result ); |
166 // @todo What if the domain of the network doesn't match the current site? |
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167 $current_site->cookie_domain = $current_site->domain; |
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168 if ( 'www.' === substr( $current_site->cookie_domain, 0, 4 ) ) { |
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169 $current_site->cookie_domain = substr( $current_site->cookie_domain, 4 ); |
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170 } |
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171 |
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172 // Figure out the current network's main site. |
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173 if ( ! isset( $current_site->blog_id ) ) { |
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174 if ( $current_blog->domain === $current_site->domain && $current_blog->path === $current_site->path ) { |
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175 $current_site->blog_id = $current_blog->blog_id; |
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176 } elseif ( ! $current_site->blog_id = wp_cache_get( 'network:' . $current_site->id . ':main_site', 'site-options' ) ) { |
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177 $current_site->blog_id = $wpdb->get_var( $wpdb->prepare( "SELECT blog_id FROM $wpdb->blogs WHERE domain = %s AND path = %s", |
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178 $current_site->domain, $current_site->path ) ); |
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179 wp_cache_add( 'network:' . $current_site->id . ':main_site', $current_site->blog_id, 'site-options' ); |
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180 } |
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181 } |
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182 |
83 |
183 $blog_id = $current_blog->blog_id; |
84 $blog_id = $current_blog->blog_id; |
184 $public = $current_blog->public; |
85 $public = $current_blog->public; |
185 |
86 |
186 if ( empty( $current_blog->site_id ) ) { |
87 if ( empty( $current_blog->site_id ) ) { |