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1 <?php 2 /** 3 * Import WordPress Administration Screen 4 * 5 * @package WordPress 6 * @subpackage Administration 7 */ 8 9 define( 'WP_LOAD_IMPORTERS', true ); 10 11 /** Load WordPress Bootstrap */ 12 require_once __DIR__ . '/admin.php'; 13 14 if ( ! current_user_can( 'import' ) ) { 15 wp_die( __( 'Sorry, you are not allowed to import content into this site.' ) ); 16 } 17 18 $title = __( 'Import' ); 19 20 get_current_screen()->add_help_tab( 21 array( 22 'id' => 'overview', 23 'title' => __( 'Overview' ), 24 'content' => '<p>' . __( 'This screen lists links to plugins to import data from blogging/content management platforms. Choose the platform you want to import from, and click Install Now when you are prompted in the popup window. If your platform is not listed, click the link to search the plugin directory for other importer plugins to see if there is one for your platform.' ) . '</p>' . 25 '<p>' . __( 'In previous versions of WordPress, all importers were built-in. They have been turned into plugins since most people only use them once or infrequently.' ) . '</p>', 26 ) 27 ); 28 29 get_current_screen()->set_help_sidebar( 30 '<p><strong>' . __( 'For more information:' ) . '</strong></p>' . 31 '<p>' . __( '<a href="https://wordpress.org/support/article/tools-import-screen/">Documentation on Import</a>' ) . '</p>' . 32 '<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>' 33 ); 34 35 if ( current_user_can( 'install_plugins' ) ) { 36 // List of popular importer plugins from the WordPress.org API. 37 $popular_importers = wp_get_popular_importers(); 38 } else { 39 $popular_importers = array(); 40 } 41 42 // Detect and redirect invalid importers like 'movabletype', which is registered as 'mt'. 43 if ( ! empty( $_GET['invalid'] ) && isset( $popular_importers[ $_GET['invalid'] ] ) ) { 44 $importer_id = $popular_importers[ $_GET['invalid'] ]['importer-id']; 45 if ( $importer_id !== $_GET['invalid'] ) { // Prevent redirect loops. 46 wp_redirect( admin_url( 'admin.php?import=' . $importer_id ) ); 47 exit; 48 } 49 unset( $importer_id ); 50 } 51 52 add_thickbox(); 53 wp_enqueue_script( 'plugin-install' ); 54 wp_enqueue_script( 'updates' ); 55 56 require_once ABSPATH . 'wp-admin/admin-header.php'; 57 $parent_file = 'tools.php'; 58 ?> 59 60 <div class="wrap"> 61 <h1><?php echo esc_html( $title ); ?></h1> 62 <?php if ( ! empty( $_GET['invalid'] ) ) : ?> 63 <div class="error"> 64 <p><strong><?php _e( 'Error:' ); ?></strong> 65 <?php 66 /* translators: %s: Importer slug. */ 67 printf( __( 'The %s importer is invalid or is not installed.' ), '<strong>' . esc_html( $_GET['invalid'] ) . '</strong>' ); 68 ?> 69 </p> 70 </div> 71 <?php endif; ?> 72 <p><?php _e( 'If you have posts or comments in another system, WordPress can import those into this site. To get started, choose a system to import from below:' ); ?></p> 73 74 <?php 75 // Registered (already installed) importers. They're stored in the global $wp_importers. 76 $importers = get_importers(); 77 78 // If a popular importer is not registered, create a dummy registration that links to the plugin installer. 79 foreach ( $popular_importers as $pop_importer => $pop_data ) { 80 if ( isset( $importers[ $pop_importer ] ) ) { 81 continue; 82 } 83 if ( isset( $importers[ $pop_data['importer-id'] ] ) ) { 84 continue; 85 } 86 87 // Fill the array of registered (already installed) importers with data of the popular importers from the WordPress.org API. 88 $importers[ $pop_data['importer-id'] ] = array( 89 $pop_data['name'], 90 $pop_data['description'], 91 'install' => $pop_data['plugin-slug'], 92 ); 93 } 94 95 if ( empty( $importers ) ) { 96 echo '<p>' . __( 'No importers are available.' ) . '</p>'; // TODO: Make more helpful. 97 } else { 98 uasort( $importers, '_usort_by_first_member' ); 99 ?> 100 <table class="widefat importers striped"> 101 102 <?php 103 foreach ( $importers as $importer_id => $data ) { 104 $plugin_slug = ''; 105 $action = ''; 106 $is_plugin_installed = false; 107 108 if ( isset( $data['install'] ) ) { 109 $plugin_slug = $data['install']; 110 111 if ( file_exists( WP_PLUGIN_DIR . '/' . $plugin_slug ) ) { 112 // Looks like an importer is installed, but not active. 113 $plugins = get_plugins( '/' . $plugin_slug ); 114 if ( ! empty( $plugins ) ) { 115 $keys = array_keys( $plugins ); 116 $plugin_file = $plugin_slug . '/' . $keys[0]; 117 $url = wp_nonce_url( 118 add_query_arg( 119 array( 120 'action' => 'activate', 121 'plugin' => $plugin_file, 122 'from' => 'import', 123 ), 124 admin_url( 'plugins.php' ) 125 ), 126 'activate-plugin_' . $plugin_file 127 ); 128 $action = sprintf( 129 '<a href="%s" aria-label="%s">%s</a>', 130 esc_url( $url ), 131 /* translators: %s: Importer name. */ 132 esc_attr( sprintf( __( 'Run %s' ), $data[0] ) ), 133 __( 'Run Importer' ) 134 ); 135 136 $is_plugin_installed = true; 137 } 138 } 139 140 if ( empty( $action ) ) { 141 if ( is_main_site() ) { 142 $url = wp_nonce_url( 143 add_query_arg( 144 array( 145 'action' => 'install-plugin', 146 'plugin' => $plugin_slug, 147 'from' => 'import', 148 ), 149 self_admin_url( 'update.php' ) 150 ), 151 'install-plugin_' . $plugin_slug 152 ); 153 $action = sprintf( 154 '<a href="%1$s" class="install-now" data-slug="%2$s" data-name="%3$s" aria-label="%4$s">%5$s</a>', 155 esc_url( $url ), 156 esc_attr( $plugin_slug ), 157 esc_attr( $data[0] ), 158 /* translators: %s: Importer name. */ 159 esc_attr( sprintf( _x( 'Install %s now', 'plugin' ), $data[0] ) ), 160 __( 'Install Now' ) 161 ); 162 } else { 163 $action = sprintf( 164 /* translators: %s: URL to Import screen on the main site. */ 165 __( 'This importer is not installed. Please install importers from <a href="%s">the main site</a>.' ), 166 get_admin_url( get_current_network_id(), 'import.php' ) 167 ); 168 } 169 } 170 } else { 171 $url = add_query_arg( 172 array( 173 'import' => $importer_id, 174 ), 175 self_admin_url( 'admin.php' ) 176 ); 177 $action = sprintf( 178 '<a href="%1$s" aria-label="%2$s">%3$s</a>', 179 esc_url( $url ), 180 /* translators: %s: Importer name. */ 181 esc_attr( sprintf( __( 'Run %s' ), $data[0] ) ), 182 __( 'Run Importer' ) 183 ); 184 185 $is_plugin_installed = true; 186 } 187 188 if ( ! $is_plugin_installed && is_main_site() ) { 189 $url = add_query_arg( 190 array( 191 'tab' => 'plugin-information', 192 'plugin' => $plugin_slug, 193 'from' => 'import', 194 'TB_iframe' => 'true', 195 'width' => 600, 196 'height' => 550, 197 ), 198 network_admin_url( 'plugin-install.php' ) 199 ); 200 $action .= sprintf( 201 ' | <a href="%1$s" class="thickbox open-plugin-details-modal" aria-label="%2$s">%3$s</a>', 202 esc_url( $url ), 203 /* translators: %s: Importer name. */ 204 esc_attr( sprintf( __( 'More information about %s' ), $data[0] ) ), 205 __( 'Details' ) 206 ); 207 } 208 209 echo " 210 <tr class='importer-item'> 211 <td class='import-system'> 212 <span class='importer-title'>{$data[0]}</span> 213 <span class='importer-action'>{$action}</span> 214 </td> 215 <td class='desc'> 216 <span class='importer-desc'>{$data[1]}</span> 217 </td> 218 </tr>"; 219 } 220 ?> 221 </table> 222 <?php 223 } 224 225 if ( current_user_can( 'install_plugins' ) ) { 226 echo '<p>' . sprintf( 227 /* translators: %s: URL to Add Plugins screen. */ 228 __( 'If the importer you need is not listed, <a href="%s">search the plugin directory</a> to see if an importer is available.' ), 229 esc_url( network_admin_url( 'plugin-install.php?tab=search&type=tag&s=importer' ) ) 230 ) . '</p>'; 231 } 232 ?> 233 234 </div> 235 236 <?php 237 wp_print_request_filesystem_credentials_modal(); 238 wp_print_admin_notice_templates(); 239 240 require_once ABSPATH . 'wp-admin/admin-footer.php';
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