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 /** Include Multisite initialization functions */ |
14 require( ABSPATH . WPINC . '/ms-load.php' ); |
14 require_once( ABSPATH . WPINC . '/ms-load.php' ); |
15 require( ABSPATH . WPINC . '/ms-default-constants.php' ); |
15 require_once( ABSPATH . WPINC . '/ms-default-constants.php' ); |
16 |
16 |
17 if ( defined( 'SUNRISE' ) ) |
17 if ( defined( 'SUNRISE' ) ) { |
18 include_once( WP_CONTENT_DIR . '/sunrise.php' ); |
18 include_once( WP_CONTENT_DIR . '/sunrise.php' ); |
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19 } |
19 |
20 |
20 /** Check for and define SUBDOMAIN_INSTALL and the deprecated VHOST constant. */ |
21 /** Check for and define SUBDOMAIN_INSTALL and the deprecated VHOST constant. */ |
21 ms_subdomain_constants(); |
22 ms_subdomain_constants(); |
22 |
23 |
23 if ( !isset( $current_site ) || !isset( $current_blog ) ) { |
24 if ( !isset( $current_site ) || !isset( $current_blog ) ) { |
24 |
25 |
25 $domain = addslashes( $_SERVER['HTTP_HOST'] ); |
26 // Given the domain and path, let's try to identify the network and site. |
26 if ( false !== strpos( $domain, ':' ) ) { |
27 // Usually, it's easier to query the site first, which declares its network. |
27 if ( substr( $domain, -3 ) == ':80' ) { |
28 // In limited situations, though, we either can or must find the network first. |
28 $domain = substr( $domain, 0, -3 ); |
29 |
29 $_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -3 ); |
30 $domain = strtolower( stripslashes( $_SERVER['HTTP_HOST'] ) ); |
30 } elseif ( substr( $domain, -4 ) == ':443' ) { |
31 if ( substr( $domain, -3 ) == ':80' ) { |
31 $domain = substr( $domain, 0, -4 ); |
32 $domain = substr( $domain, 0, -3 ); |
32 $_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -4 ); |
33 $_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -3 ); |
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34 } elseif ( substr( $domain, -4 ) == ':443' ) { |
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35 $domain = substr( $domain, 0, -4 ); |
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36 $_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -4 ); |
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37 } |
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38 |
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39 $path = stripslashes( $_SERVER['REQUEST_URI'] ); |
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40 if ( is_admin() ) { |
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41 $path = preg_replace( '#(.*)/wp-admin/.*#', '$1/', $path ); |
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42 } |
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43 list( $path ) = explode( '?', $path ); |
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44 |
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45 // If the network is defined in wp-config.php, we can simply use that. |
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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 |
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57 if ( 0 === strcasecmp( $current_site->domain, $domain ) && 0 === strcasecmp( $current_site->path, $path ) ) { |
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58 $current_blog = get_site_by_path( $domain, $path ); |
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59 } elseif ( '/' !== $current_site->path && 0 === strcasecmp( $current_site->domain, $domain ) && 0 === stripos( $path, $current_site->path ) ) { |
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60 // If the current network has a path and also matches the domain and path of the request, |
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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, '/' ) ) ) ); |
33 } else { |
63 } else { |
34 wp_load_translations_early(); |
64 // Otherwise, use the first path segment (as usual). |
35 wp_die( __( 'Multisite only works without the port number in the URL.' ) ); |
65 $current_blog = get_site_by_path( $domain, $path, 1 ); |
36 } |
66 } |
37 } |
67 |
38 |
68 } elseif ( ! is_subdomain_install() ) { |
39 $domain = rtrim( $domain, '.' ); |
69 /* |
40 $cookie_domain = $domain; |
70 * A "subdomain" install can be re-interpreted to mean "can support any domain". |
41 if ( substr( $cookie_domain, 0, 4 ) == 'www.' ) |
71 * If we're not dealing with one of these installs, then the important part is determining |
42 $cookie_domain = substr( $cookie_domain, 4 ); |
72 * the network first, because we need the network's path to identify any sites. |
43 |
73 */ |
44 $path = preg_replace( '|([a-z0-9-]+.php.*)|', '', $_SERVER['REQUEST_URI'] ); |
74 if ( ! $current_site = wp_cache_get( 'current_network', 'site-options' ) ) { |
45 $path = str_replace ( '/wp-admin/', '/', $path ); |
75 // Are there even two networks installed? |
46 $path = preg_replace( '|(/[a-z0-9-]+?/).*|', '$1', $path ); |
76 $one_network = $wpdb->get_row( "SELECT * FROM $wpdb->site LIMIT 2" ); // [sic] |
47 |
77 if ( 1 === $wpdb->num_rows ) { |
48 $current_site = wpmu_current_site(); |
78 $current_site = wp_get_network( $one_network ); |
49 if ( ! isset( $current_site->blog_id ) ) |
79 wp_cache_add( 'current_network', $current_site, 'site-options' ); |
50 $current_site->blog_id = $wpdb->get_var( $wpdb->prepare( "SELECT blog_id FROM $wpdb->blogs WHERE domain = %s AND path = %s", $current_site->domain, $current_site->path ) ); |
80 } elseif ( 0 === $wpdb->num_rows ) { |
51 |
81 ms_not_installed(); |
52 if ( is_subdomain_install() ) { |
82 } |
53 $current_blog = wp_cache_get( 'current_blog_' . $domain, 'site-options' ); |
83 } |
54 if ( !$current_blog ) { |
84 if ( empty( $current_site ) ) { |
55 $current_blog = get_blog_details( array( 'domain' => $domain ), false ); |
85 $current_site = get_network_by_path( $domain, $path, 1 ); |
56 if ( $current_blog ) |
86 } |
57 wp_cache_set( 'current_blog_' . $domain, $current_blog, 'site-options' ); |
87 |
58 } |
88 if ( empty( $current_site ) ) { |
59 if ( $current_blog && $current_blog->site_id != $current_site->id ) { |
89 ms_not_installed(); |
60 $current_site = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->site WHERE id = %d", $current_blog->site_id ) ); |
90 } elseif ( $path === $current_site->path ) { |
61 if ( ! isset( $current_site->blog_id ) ) |
91 $current_blog = get_site_by_path( $domain, $path ); |
62 $current_site->blog_id = $wpdb->get_var( $wpdb->prepare( "SELECT blog_id FROM $wpdb->blogs WHERE domain = %s AND path = %s", $current_site->domain, $current_site->path ) ); |
92 } else { |
63 } else |
93 // Search the network path + one more path segment (on top of the network path). |
64 $blogname = substr( $domain, 0, strpos( $domain, '.' ) ); |
94 $current_blog = get_site_by_path( $domain, $path, substr_count( $current_site->path, '/' ) ); |
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95 } |
65 } else { |
96 } else { |
66 $blogname = htmlspecialchars( substr( $_SERVER[ 'REQUEST_URI' ], strlen( $path ) ) ); |
97 // Find the site by the domain and at most the first path segment. |
67 if ( false !== strpos( $blogname, '/' ) ) |
98 $current_blog = get_site_by_path( $domain, $path, 1 ); |
68 $blogname = substr( $blogname, 0, strpos( $blogname, '/' ) ); |
99 if ( $current_blog ) { |
69 if ( false !== strpos( $blogname, '?' ) ) |
100 $current_site = wp_get_network( $current_blog->site_id ? $current_blog->site_id : 1 ); |
70 $blogname = substr( $blogname, 0, strpos( $blogname, '?' ) ); |
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71 $reserved_blognames = array( 'page', 'comments', 'blog', 'wp-admin', 'wp-includes', 'wp-content', 'files', 'feed' ); |
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72 if ( $blogname != '' && ! in_array( $blogname, $reserved_blognames ) && ! is_file( $blogname ) ) |
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73 $path .= $blogname . '/'; |
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74 $current_blog = wp_cache_get( 'current_blog_' . $domain . $path, 'site-options' ); |
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75 if ( ! $current_blog ) { |
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76 $current_blog = get_blog_details( array( 'domain' => $domain, 'path' => $path ), false ); |
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77 if ( $current_blog ) |
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78 wp_cache_set( 'current_blog_' . $domain . $path, $current_blog, 'site-options' ); |
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79 } |
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80 unset($reserved_blognames); |
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81 } |
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82 |
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83 if ( ! defined( 'WP_INSTALLING' ) && is_subdomain_install() && ! is_object( $current_blog ) ) { |
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84 if ( defined( 'NOBLOGREDIRECT' ) ) { |
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85 $destination = NOBLOGREDIRECT; |
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86 if ( '%siteurl%' == $destination ) |
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87 $destination = "http://" . $current_site->domain . $current_site->path; |
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88 } else { |
101 } else { |
89 $destination = 'http://' . $current_site->domain . $current_site->path . 'wp-signup.php?new=' . str_replace( '.' . $current_site->domain, '', $domain ); |
102 // If you don't have a site with the same domain/path as a network, you're pretty screwed, but: |
90 } |
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 |
91 header( 'Location: ' . $destination ); |
162 header( 'Location: ' . $destination ); |
92 die(); |
163 exit; |
93 } |
164 } |
94 |
165 |
95 if ( ! defined( 'WP_INSTALLING' ) ) { |
166 // @todo What if the domain of the network doesn't match the current site? |
96 if ( $current_site && ! $current_blog ) { |
167 $current_site->cookie_domain = $current_site->domain; |
97 if ( $current_site->domain != $_SERVER[ 'HTTP_HOST' ] ) { |
168 if ( 'www.' === substr( $current_site->cookie_domain, 0, 4 ) ) { |
98 header( 'Location: http://' . $current_site->domain . $current_site->path ); |
169 $current_site->cookie_domain = substr( $current_site->cookie_domain, 4 ); |
99 exit; |
170 } |
100 } |
171 |
101 $current_blog = get_blog_details( array( 'domain' => $current_site->domain, 'path' => $current_site->path ), false ); |
172 // Figure out the current network's main site. |
102 } |
173 if ( ! isset( $current_site->blog_id ) ) { |
103 if ( ! $current_blog || ! $current_site ) |
174 if ( $current_blog->domain === $current_site->domain && $current_blog->path === $current_site->path ) { |
104 ms_not_installed(); |
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 } |
105 } |
181 } |
106 |
182 |
107 $blog_id = $current_blog->blog_id; |
183 $blog_id = $current_blog->blog_id; |
108 $public = $current_blog->public; |
184 $public = $current_blog->public; |
109 |
185 |
110 if ( empty( $current_blog->site_id ) ) |
186 if ( empty( $current_blog->site_id ) ) { |
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187 // This dates to [MU134] and shouldn't be relevant anymore, |
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188 // but it could be possible for arguments passed to insert_blog() etc. |
111 $current_blog->site_id = 1; |
189 $current_blog->site_id = 1; |
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190 } |
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191 |
112 $site_id = $current_blog->site_id; |
192 $site_id = $current_blog->site_id; |
113 |
193 wp_load_core_site_options( $site_id ); |
114 $current_site = get_current_site_name( $current_site ); |
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115 |
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116 if ( ! $blog_id ) { |
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117 if ( defined( 'WP_INSTALLING' ) ) { |
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118 $current_blog->blog_id = $blog_id = 1; |
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119 } else { |
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120 wp_load_translations_early(); |
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121 $msg = ! $wpdb->get_var( "SHOW TABLES LIKE '$wpdb->site'" ) ? ' ' . __( 'Database tables are missing.' ) : ''; |
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122 wp_die( __( 'No site by that name on this system.' ) . $msg ); |
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123 } |
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124 } |
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125 } |
194 } |
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195 |
126 $wpdb->set_prefix( $table_prefix, false ); // $table_prefix can be set in sunrise.php |
196 $wpdb->set_prefix( $table_prefix, false ); // $table_prefix can be set in sunrise.php |
127 $wpdb->set_blog_id( $current_blog->blog_id, $current_blog->site_id ); |
197 $wpdb->set_blog_id( $current_blog->blog_id, $current_blog->site_id ); |
128 $table_prefix = $wpdb->get_blog_prefix(); |
198 $table_prefix = $wpdb->get_blog_prefix(); |
129 $_wp_switched_stack = array(); |
199 $_wp_switched_stack = array(); |
130 $switched = false; |
200 $switched = false; |
131 |
201 |
132 // need to init cache again after blog_id is set |
202 // need to init cache again after blog_id is set |
133 wp_start_object_cache(); |
203 wp_start_object_cache(); |
134 |
204 |
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205 if ( ! isset( $current_site->site_name ) ) { |
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206 $current_site->site_name = get_site_option( 'site_name' ); |
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207 if ( ! $current_site->site_name ) { |
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208 $current_site->site_name = ucfirst( $current_site->domain ); |
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209 } |
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210 } |
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211 |
135 // Define upload directory constants |
212 // Define upload directory constants |
136 ms_upload_constants(); |
213 ms_upload_constants(); |