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1 <?php |
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2 /** |
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3 * These functions are needed to load Multisite. |
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4 * |
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5 * @since 3.0.0 |
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6 * |
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7 * @package WordPress |
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8 * @subpackage Multisite |
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9 */ |
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10 |
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11 /** |
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12 * Whether a subdomain configuration is enabled. |
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13 * |
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14 * @since 3.0.0 |
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15 * |
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16 * @return bool True if subdomain configuration is enabled, false otherwise. |
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17 */ |
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18 function is_subdomain_install() { |
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19 if ( defined('SUBDOMAIN_INSTALL') ) |
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20 return SUBDOMAIN_INSTALL; |
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21 |
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22 if ( defined('VHOST') && VHOST == 'yes' ) |
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23 return true; |
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24 |
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25 return false; |
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26 } |
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27 |
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28 /** |
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29 * Returns array of network plugin files to be included in global scope. |
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30 * |
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31 * The default directory is wp-content/plugins. To change the default directory |
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32 * manually, define <code>WP_PLUGIN_DIR</code> and <code>WP_PLUGIN_URL</code> |
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33 * in wp-config.php. |
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34 * |
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35 * @access private |
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36 * @since 3.1.0 |
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37 * @return array Files to include |
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38 */ |
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39 function wp_get_active_network_plugins() { |
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40 $active_plugins = (array) get_site_option( 'active_sitewide_plugins', array() ); |
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41 if ( empty( $active_plugins ) ) |
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42 return array(); |
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43 |
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44 $plugins = array(); |
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45 $active_plugins = array_keys( $active_plugins ); |
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46 sort( $active_plugins ); |
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47 |
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48 foreach ( $active_plugins as $plugin ) { |
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49 if ( ! validate_file( $plugin ) // $plugin must validate as file |
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50 && '.php' == substr( $plugin, -4 ) // $plugin must end with '.php' |
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51 && file_exists( WP_PLUGIN_DIR . '/' . $plugin ) // $plugin must exist |
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52 ) |
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53 $plugins[] = WP_PLUGIN_DIR . '/' . $plugin; |
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54 } |
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55 return $plugins; |
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56 } |
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57 |
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58 /** |
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59 * Checks status of current blog. |
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60 * |
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61 * Checks if the blog is deleted, inactive, archived, or spammed. |
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62 * |
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63 * Dies with a default message if the blog does not pass the check. |
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64 * |
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65 * To change the default message when a blog does not pass the check, |
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66 * use the wp-content/blog-deleted.php, blog-inactive.php and |
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67 * blog-suspended.php drop-ins. |
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68 * |
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69 * @return bool|string Returns true on success, or drop-in file to include. |
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70 */ |
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71 function ms_site_check() { |
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72 global $wpdb, $current_blog; |
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73 |
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74 // Allow short-circuiting |
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75 $check = apply_filters('ms_site_check', null); |
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76 if ( null !== $check ) |
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77 return true; |
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78 |
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79 // Allow super admins to see blocked sites |
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80 if ( is_super_admin() ) |
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81 return true; |
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82 |
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83 if ( '1' == $current_blog->deleted ) { |
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84 if ( file_exists( WP_CONTENT_DIR . '/blog-deleted.php' ) ) |
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85 return WP_CONTENT_DIR . '/blog-deleted.php'; |
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86 else |
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87 wp_die( __( 'This user has elected to delete their account and the content is no longer available.' ), '', array( 'response' => 410 ) ); |
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88 } |
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89 |
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90 if ( '2' == $current_blog->deleted ) { |
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91 if ( file_exists( WP_CONTENT_DIR . '/blog-inactive.php' ) ) |
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92 return WP_CONTENT_DIR . '/blog-inactive.php'; |
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93 else |
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94 wp_die( sprintf( __( 'This site has not been activated yet. If you are having problems activating your site, please contact <a href="mailto:%1$s">%1$s</a>.' ), str_replace( '@', ' AT ', get_site_option( 'admin_email', "support@{$current_site->domain}" ) ) ) ); |
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95 } |
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96 |
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97 if ( $current_blog->archived == '1' || $current_blog->spam == '1' ) { |
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98 if ( file_exists( WP_CONTENT_DIR . '/blog-suspended.php' ) ) |
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99 return WP_CONTENT_DIR . '/blog-suspended.php'; |
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100 else |
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101 wp_die( __( 'This site has been archived or suspended.' ), '', array( 'response' => 410 ) ); |
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102 } |
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103 |
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104 return true; |
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105 } |
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106 |
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107 /** |
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108 * Sets current site name. |
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109 * |
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110 * @access private |
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111 * @since 3.0.0 |
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112 * @return object $current_site object with site_name |
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113 */ |
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114 function get_current_site_name( $current_site ) { |
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115 global $wpdb; |
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116 |
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117 $current_site->site_name = wp_cache_get( $current_site->id . ':site_name', 'site-options' ); |
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118 if ( ! $current_site->site_name ) { |
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119 $current_site->site_name = $wpdb->get_var( $wpdb->prepare( "SELECT meta_value FROM $wpdb->sitemeta WHERE site_id = %d AND meta_key = 'site_name'", $current_site->id ) ); |
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120 if ( ! $current_site->site_name ) |
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121 $current_site->site_name = ucfirst( $current_site->domain ); |
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122 wp_cache_set( $current_site->id . ':site_name', $current_site->site_name, 'site-options' ); |
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123 } |
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124 |
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125 return $current_site; |
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126 } |
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127 |
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128 /** |
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129 * Sets current_site object. |
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130 * |
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131 * @access private |
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132 * @since 3.0.0 |
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133 * @return object $current_site object |
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134 */ |
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135 function wpmu_current_site() { |
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136 global $wpdb, $current_site, $domain, $path, $sites, $cookie_domain; |
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137 |
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138 if ( empty( $current_site ) ) |
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139 $current_site = new stdClass; |
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140 |
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141 if ( defined( 'DOMAIN_CURRENT_SITE' ) && defined( 'PATH_CURRENT_SITE' ) ) { |
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142 $current_site->id = defined( 'SITE_ID_CURRENT_SITE' ) ? SITE_ID_CURRENT_SITE : 1; |
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143 $current_site->domain = DOMAIN_CURRENT_SITE; |
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144 $current_site->path = $path = PATH_CURRENT_SITE; |
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145 if ( defined( 'BLOG_ID_CURRENT_SITE' ) ) |
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146 $current_site->blog_id = BLOG_ID_CURRENT_SITE; |
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147 elseif ( defined( 'BLOGID_CURRENT_SITE' ) ) // deprecated. |
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148 $current_site->blog_id = BLOGID_CURRENT_SITE; |
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149 if ( DOMAIN_CURRENT_SITE == $domain ) |
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150 $current_site->cookie_domain = $cookie_domain; |
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151 elseif ( substr( $current_site->domain, 0, 4 ) == 'www.' ) |
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152 $current_site->cookie_domain = substr( $current_site->domain, 4 ); |
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153 else |
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154 $current_site->cookie_domain = $current_site->domain; |
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155 |
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156 wp_load_core_site_options( $current_site->id ); |
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157 |
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158 return $current_site; |
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159 } |
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160 |
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161 $current_site = wp_cache_get( 'current_site', 'site-options' ); |
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162 if ( $current_site ) |
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163 return $current_site; |
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164 |
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165 $sites = $wpdb->get_results( "SELECT * FROM $wpdb->site" ); // usually only one site |
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166 if ( 1 == count( $sites ) ) { |
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167 $current_site = $sites[0]; |
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168 wp_load_core_site_options( $current_site->id ); |
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169 $path = $current_site->path; |
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170 $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 ) ); |
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171 $current_site = get_current_site_name( $current_site ); |
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172 if ( substr( $current_site->domain, 0, 4 ) == 'www.' ) |
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173 $current_site->cookie_domain = substr( $current_site->domain, 4 ); |
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174 wp_cache_set( 'current_site', $current_site, 'site-options' ); |
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175 return $current_site; |
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176 } |
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177 $path = substr( $_SERVER[ 'REQUEST_URI' ], 0, 1 + strpos( $_SERVER[ 'REQUEST_URI' ], '/', 1 ) ); |
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178 |
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179 if ( $domain == $cookie_domain ) |
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180 $current_site = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->site WHERE domain = %s AND path = %s", $domain, $path ) ); |
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181 else |
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182 $current_site = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->site WHERE domain IN ( %s, %s ) AND path = %s ORDER BY CHAR_LENGTH( domain ) DESC LIMIT 1", $domain, $cookie_domain, $path ) ); |
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183 |
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184 if ( ! $current_site ) { |
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185 if ( $domain == $cookie_domain ) |
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186 $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path='/'", $domain ) ); |
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187 else |
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188 $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain IN ( %s, %s ) AND path = '/' ORDER BY CHAR_LENGTH( domain ) DESC LIMIT 1", $domain, $cookie_domain, $path ) ); |
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189 } |
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190 |
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191 if ( $current_site ) { |
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192 $path = $current_site->path; |
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193 $current_site->cookie_domain = $cookie_domain; |
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194 return $current_site; |
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195 } |
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196 |
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197 if ( is_subdomain_install() ) { |
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198 $sitedomain = substr( $domain, 1 + strpos( $domain, '.' ) ); |
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199 $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path = %s", $sitedomain, $path) ); |
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200 if ( $current_site ) { |
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201 $current_site->cookie_domain = $current_site->domain; |
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202 return $current_site; |
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203 } |
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204 |
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205 $current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path='/'", $sitedomain) ); |
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206 } |
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207 |
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208 if ( $current_site || defined( 'WP_INSTALLING' ) ) { |
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209 $path = '/'; |
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210 return $current_site; |
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211 } |
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212 |
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213 // Still no dice. |
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214 wp_load_translations_early(); |
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215 |
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216 if ( 1 == count( $sites ) ) |
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217 wp_die( sprintf( __( 'That site does not exist. Please try <a href="%s">%s</a>.' ), 'http://' . $sites[0]->domain . $sites[0]->path ) ); |
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218 else |
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219 wp_die( __( 'No site defined on this host. If you are the owner of this site, please check <a href="http://codex.wordpress.org/Debugging_a_WordPress_Network">Debugging a WordPress Network</a> for help.' ) ); |
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220 } |
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221 |
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222 /** |
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223 * Displays a failure message. |
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224 * |
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225 * Used when a blog's tables do not exist. Checks for a missing $wpdb->site table as well. |
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226 * |
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227 * @access private |
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228 * @since 3.0.0 |
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229 */ |
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230 function ms_not_installed() { |
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231 global $wpdb, $domain, $path; |
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232 |
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233 wp_load_translations_early(); |
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234 |
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235 $title = __( 'Error establishing database connection' ); |
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236 $msg = '<h1>' . $title . '</h1>'; |
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237 if ( ! is_admin() ) |
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238 die( $msg ); |
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239 $msg .= '<p>' . __( 'If your site does not display, please contact the owner of this network.' ) . ''; |
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240 $msg .= ' ' . __( 'If you are the owner of this network please check that MySQL is running properly and all tables are error free.' ) . '</p>'; |
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241 if ( false && !$wpdb->get_var( "SHOW TABLES LIKE '$wpdb->site'" ) ) |
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242 $msg .= '<p>' . sprintf( __( '<strong>Database tables are missing.</strong> This means that MySQL is not running, WordPress was not installed properly, or someone deleted <code>%s</code>. You really should look at your database now.' ), $wpdb->site ) . '</p>'; |
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243 else |
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244 $msg .= '<p>' . sprintf( __( '<strong>Could not find site <code>%1$s</code>.</strong> Searched for table <code>%2$s</code> in database <code>%3$s</code>. Is that right?' ), rtrim( $domain . $path, '/' ), $wpdb->blogs, DB_NAME ) . '</p>'; |
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245 $msg .= '<p><strong>' . __( 'What do I do now?' ) . '</strong> '; |
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246 $msg .= __( 'Read the <a target="_blank" href="http://codex.wordpress.org/Debugging_a_WordPress_Network">bug report</a> page. Some of the guidelines there may help you figure out what went wrong.' ); |
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247 $msg .= ' ' . __( 'If you’re still stuck with this message, then check that your database contains the following tables:' ) . '</p><ul>'; |
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248 foreach ( $wpdb->tables('global') as $t => $table ) { |
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249 if ( 'sitecategories' == $t ) |
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250 continue; |
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251 $msg .= '<li>' . $table . '</li>'; |
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252 } |
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253 $msg .= '</ul>'; |
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254 |
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255 wp_die( $msg, $title ); |
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256 } |