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/wp-admin/includes/ -> class-plugin-installer-skin.php (source)

   1  <?php
   2  /**
   3   * Upgrader API: Plugin_Installer_Skin class
   4   *
   5   * @package WordPress
   6   * @subpackage Upgrader
   7   * @since 4.6.0
   8   */
   9  
  10  /**
  11   * Plugin Installer Skin for WordPress Plugin Installer.
  12   *
  13   * @since 2.8.0
  14   * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php.
  15   *
  16   * @see WP_Upgrader_Skin
  17   */
  18  class Plugin_Installer_Skin extends WP_Upgrader_Skin {
  19      public $api;
  20      public $type;
  21      public $url;
  22      public $overwrite;
  23  
  24      private $is_downgrading = false;
  25  
  26      /**
  27       * @param array $args
  28       */
  29  	public function __construct( $args = array() ) {
  30          $defaults = array(
  31              'type'      => 'web',
  32              'url'       => '',
  33              'plugin'    => '',
  34              'nonce'     => '',
  35              'title'     => '',
  36              'overwrite' => '',
  37          );
  38          $args     = wp_parse_args( $args, $defaults );
  39  
  40          $this->type      = $args['type'];
  41          $this->url       = $args['url'];
  42          $this->api       = isset( $args['api'] ) ? $args['api'] : array();
  43          $this->overwrite = $args['overwrite'];
  44  
  45          parent::__construct( $args );
  46      }
  47  
  48      /**
  49       * Performs an action before installing a plugin.
  50       *
  51       * @since 2.8.0
  52       */
  53  	public function before() {
  54          if ( ! empty( $this->api ) ) {
  55              $this->upgrader->strings['process_success'] = sprintf(
  56                  $this->upgrader->strings['process_success_specific'],
  57                  $this->api->name,
  58                  $this->api->version
  59              );
  60          }
  61      }
  62  
  63      /**
  64       * Hides the `process_failed` error when updating a plugin by uploading a zip file.
  65       *
  66       * @since 5.5.0
  67       *
  68       * @param WP_Error $wp_error WP_Error object.
  69       * @return bool True if the error should be hidden, false otherwise.
  70       */
  71  	public function hide_process_failed( $wp_error ) {
  72          if (
  73              'upload' === $this->type &&
  74              '' === $this->overwrite &&
  75              $wp_error->get_error_code() === 'folder_exists'
  76          ) {
  77              return true;
  78          }
  79  
  80          return false;
  81      }
  82  
  83      /**
  84       * Performs an action following a plugin install.
  85       *
  86       * @since 2.8.0
  87       */
  88  	public function after() {
  89          // Check if the plugin can be overwritten and output the HTML.
  90          if ( $this->do_overwrite() ) {
  91              return;
  92          }
  93  
  94          $plugin_file = $this->upgrader->plugin_info();
  95  
  96          $install_actions = array();
  97  
  98          $from = isset( $_GET['from'] ) ? wp_unslash( $_GET['from'] ) : 'plugins';
  99  
 100          if ( 'import' === $from ) {
 101              $install_actions['activate_plugin'] = sprintf(
 102                  '<a class="button button-primary" href="%s" target="_parent">%s</a>',
 103                  wp_nonce_url( 'plugins.php?action=activate&amp;from=import&amp;plugin=' . urlencode( $plugin_file ), 'activate-plugin_' . $plugin_file ),
 104                  __( 'Activate Plugin &amp; Run Importer' )
 105              );
 106          } elseif ( 'press-this' === $from ) {
 107              $install_actions['activate_plugin'] = sprintf(
 108                  '<a class="button button-primary" href="%s" target="_parent">%s</a>',
 109                  wp_nonce_url( 'plugins.php?action=activate&amp;from=press-this&amp;plugin=' . urlencode( $plugin_file ), 'activate-plugin_' . $plugin_file ),
 110                  __( 'Activate Plugin &amp; Go to Press This' )
 111              );
 112          } else {
 113              $install_actions['activate_plugin'] = sprintf(
 114                  '<a class="button button-primary" href="%s" target="_parent">%s</a>',
 115                  wp_nonce_url( 'plugins.php?action=activate&amp;plugin=' . urlencode( $plugin_file ), 'activate-plugin_' . $plugin_file ),
 116                  __( 'Activate Plugin' )
 117              );
 118          }
 119  
 120          if ( is_multisite() && current_user_can( 'manage_network_plugins' ) ) {
 121              $install_actions['network_activate'] = sprintf(
 122                  '<a class="button button-primary" href="%s" target="_parent">%s</a>',
 123                  wp_nonce_url( 'plugins.php?action=activate&amp;networkwide=1&amp;plugin=' . urlencode( $plugin_file ), 'activate-plugin_' . $plugin_file ),
 124                  _x( 'Network Activate', 'plugin' )
 125              );
 126              unset( $install_actions['activate_plugin'] );
 127          }
 128  
 129          if ( 'import' === $from ) {
 130              $install_actions['importers_page'] = sprintf(
 131                  '<a href="%s" target="_parent">%s</a>',
 132                  admin_url( 'import.php' ),
 133                  __( 'Go to Importers' )
 134              );
 135          } elseif ( 'web' === $this->type ) {
 136              $install_actions['plugins_page'] = sprintf(
 137                  '<a href="%s" target="_parent">%s</a>',
 138                  self_admin_url( 'plugin-install.php' ),
 139                  __( 'Go to Plugin Installer' )
 140              );
 141          } elseif ( 'upload' === $this->type && 'plugins' === $from ) {
 142              $install_actions['plugins_page'] = sprintf(
 143                  '<a href="%s">%s</a>',
 144                  self_admin_url( 'plugin-install.php' ),
 145                  __( 'Go to Plugin Installer' )
 146              );
 147          } else {
 148              $install_actions['plugins_page'] = sprintf(
 149                  '<a href="%s" target="_parent">%s</a>',
 150                  self_admin_url( 'plugins.php' ),
 151                  __( 'Go to Plugins page' )
 152              );
 153          }
 154  
 155          if ( ! $this->result || is_wp_error( $this->result ) ) {
 156              unset( $install_actions['activate_plugin'], $install_actions['network_activate'] );
 157          } elseif ( ! current_user_can( 'activate_plugin', $plugin_file ) || is_plugin_active( $plugin_file ) ) {
 158              unset( $install_actions['activate_plugin'] );
 159          }
 160  
 161          /**
 162           * Filters the list of action links available following a single plugin installation.
 163           *
 164           * @since 2.7.0
 165           *
 166           * @param string[] $install_actions Array of plugin action links.
 167           * @param object   $api             Object containing WordPress.org API plugin data. Empty
 168           *                                  for non-API installs, such as when a plugin is installed
 169           *                                  via upload.
 170           * @param string   $plugin_file     Path to the plugin file relative to the plugins directory.
 171           */
 172          $install_actions = apply_filters( 'install_plugin_complete_actions', $install_actions, $this->api, $plugin_file );
 173  
 174          if ( ! empty( $install_actions ) ) {
 175              $this->feedback( implode( ' ', (array) $install_actions ) );
 176          }
 177      }
 178  
 179      /**
 180       * Checks if the plugin can be overwritten and outputs the HTML for overwriting a plugin on upload.
 181       *
 182       * @since 5.5.0
 183       *
 184       * @return bool Whether the plugin can be overwritten and HTML was outputted.
 185       */
 186  	private function do_overwrite() {
 187          if ( 'upload' !== $this->type || ! is_wp_error( $this->result ) || 'folder_exists' !== $this->result->get_error_code() ) {
 188              return false;
 189          }
 190  
 191          $folder = $this->result->get_error_data( 'folder_exists' );
 192          $folder = ltrim( substr( $folder, strlen( WP_PLUGIN_DIR ) ), '/' );
 193  
 194          $current_plugin_data = false;
 195          $all_plugins         = get_plugins();
 196  
 197          foreach ( $all_plugins as $plugin => $plugin_data ) {
 198              if ( strrpos( $plugin, $folder ) !== 0 ) {
 199                  continue;
 200              }
 201  
 202              $current_plugin_data = $plugin_data;
 203          }
 204  
 205          $new_plugin_data = $this->upgrader->new_plugin_data;
 206  
 207          if ( ! $current_plugin_data || ! $new_plugin_data ) {
 208              return false;
 209          }
 210  
 211          echo '<h2 class="update-from-upload-heading">' . esc_html__( 'This plugin is already installed.' ) . '</h2>';
 212  
 213          $this->is_downgrading = version_compare( $current_plugin_data['Version'], $new_plugin_data['Version'], '>' );
 214  
 215          $rows = array(
 216              'Name'        => __( 'Plugin name' ),
 217              'Version'     => __( 'Version' ),
 218              'Author'      => __( 'Author' ),
 219              'RequiresWP'  => __( 'Required WordPress version' ),
 220              'RequiresPHP' => __( 'Required PHP version' ),
 221          );
 222  
 223          $table  = '<table class="update-from-upload-comparison"><tbody>';
 224          $table .= '<tr><th></th><th>' . esc_html_x( 'Current', 'plugin' ) . '</th>';
 225          $table .= '<th>' . esc_html_x( 'Uploaded', 'plugin' ) . '</th></tr>';
 226  
 227          $is_same_plugin = true; // Let's consider only these rows.
 228  
 229          foreach ( $rows as $field => $label ) {
 230              $old_value = ! empty( $current_plugin_data[ $field ] ) ? (string) $current_plugin_data[ $field ] : '-';
 231              $new_value = ! empty( $new_plugin_data[ $field ] ) ? (string) $new_plugin_data[ $field ] : '-';
 232  
 233              $is_same_plugin = $is_same_plugin && ( $old_value === $new_value );
 234  
 235              $diff_field   = ( 'Version' !== $field && $new_value !== $old_value );
 236              $diff_version = ( 'Version' === $field && $this->is_downgrading );
 237  
 238              $table .= '<tr><td class="name-label">' . $label . '</td><td>' . wp_strip_all_tags( $old_value ) . '</td>';
 239              $table .= ( $diff_field || $diff_version ) ? '<td class="warning">' : '<td>';
 240              $table .= wp_strip_all_tags( $new_value ) . '</td></tr>';
 241          }
 242  
 243          $table .= '</tbody></table>';
 244  
 245          /**
 246           * Filters the compare table output for overwriting a plugin package on upload.
 247           *
 248           * @since 5.5.0
 249           *
 250           * @param string $table               The output table with Name, Version, Author, RequiresWP, and RequiresPHP info.
 251           * @param array  $current_plugin_data Array with current plugin data.
 252           * @param array  $new_plugin_data     Array with uploaded plugin data.
 253           */
 254          echo apply_filters( 'install_plugin_overwrite_comparison', $table, $current_plugin_data, $new_plugin_data );
 255  
 256          $install_actions = array();
 257          $can_update      = true;
 258  
 259          $blocked_message  = '<p>' . esc_html__( 'The plugin cannot be updated due to the following:' ) . '</p>';
 260          $blocked_message .= '<ul class="ul-disc">';
 261  
 262          $requires_php = isset( $new_plugin_data['RequiresPHP'] ) ? $new_plugin_data['RequiresPHP'] : null;
 263          $requires_wp  = isset( $new_plugin_data['RequiresWP'] ) ? $new_plugin_data['RequiresWP'] : null;
 264  
 265          if ( ! is_php_version_compatible( $requires_php ) ) {
 266              $error = sprintf(
 267                  /* translators: 1: Current PHP version, 2: Version required by the uploaded plugin. */
 268                  __( 'The PHP version on your server is %1$s, however the uploaded plugin requires %2$s.' ),
 269                  PHP_VERSION,
 270                  $requires_php
 271              );
 272  
 273              $blocked_message .= '<li>' . esc_html( $error ) . '</li>';
 274              $can_update       = false;
 275          }
 276  
 277          if ( ! is_wp_version_compatible( $requires_wp ) ) {
 278              $error = sprintf(
 279                  /* translators: 1: Current WordPress version, 2: Version required by the uploaded plugin. */
 280                  __( 'Your WordPress version is %1$s, however the uploaded plugin requires %2$s.' ),
 281                  get_bloginfo( 'version' ),
 282                  $requires_wp
 283              );
 284  
 285              $blocked_message .= '<li>' . esc_html( $error ) . '</li>';
 286              $can_update       = false;
 287          }
 288  
 289          $blocked_message .= '</ul>';
 290  
 291          if ( $can_update ) {
 292              if ( $this->is_downgrading ) {
 293                  $warning = sprintf(
 294                      /* translators: %s: Documentation URL. */
 295                      __( 'You are uploading an older version of a current plugin. You can continue to install the older version, but be sure to <a href="%s">back up your database and files</a> first.' ),
 296                      __( 'https://developer.wordpress.org/advanced-administration/security/backup/' )
 297                  );
 298              } else {
 299                  $warning = sprintf(
 300                      /* translators: %s: Documentation URL. */
 301                      __( 'You are updating a plugin. Be sure to <a href="%s">back up your database and files</a> first.' ),
 302                      __( 'https://developer.wordpress.org/advanced-administration/security/backup/' )
 303                  );
 304              }
 305  
 306              echo '<p class="update-from-upload-notice">' . $warning . '</p>';
 307  
 308              $overwrite = $this->is_downgrading ? 'downgrade-plugin' : 'update-plugin';
 309  
 310              $install_actions['overwrite_plugin'] = sprintf(
 311                  '<a class="button button-primary update-from-upload-overwrite" href="%s" target="_parent">%s</a>',
 312                  wp_nonce_url( add_query_arg( 'overwrite', $overwrite, $this->url ), 'plugin-upload' ),
 313                  _x( 'Replace current with uploaded', 'plugin' )
 314              );
 315          } else {
 316              echo $blocked_message;
 317          }
 318  
 319          $cancel_url = add_query_arg( 'action', 'upload-plugin-cancel-overwrite', $this->url );
 320  
 321          $install_actions['plugins_page'] = sprintf(
 322              '<a class="button" href="%s">%s</a>',
 323              wp_nonce_url( $cancel_url, 'plugin-upload-cancel-overwrite' ),
 324              __( 'Cancel and go back' )
 325          );
 326  
 327          /**
 328           * Filters the list of action links available following a single plugin installation failure
 329           * when overwriting is allowed.
 330           *
 331           * @since 5.5.0
 332           *
 333           * @param string[] $install_actions Array of plugin action links.
 334           * @param object   $api             Object containing WordPress.org API plugin data.
 335           * @param array    $new_plugin_data Array with uploaded plugin data.
 336           */
 337          $install_actions = apply_filters( 'install_plugin_overwrite_actions', $install_actions, $this->api, $new_plugin_data );
 338  
 339          if ( ! empty( $install_actions ) ) {
 340              printf(
 341                  '<p class="update-from-upload-expired hidden">%s</p>',
 342                  __( 'The uploaded file has expired. Please go back and upload it again.' )
 343              );
 344              echo '<p class="update-from-upload-actions">' . implode( ' ', (array) $install_actions ) . '</p>';
 345          }
 346  
 347          return true;
 348      }
 349  }


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