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/wp-admin/includes/ -> privacy-tools.php (source)

   1  <?php
   2  /**
   3   * WordPress Administration Privacy Tools API.
   4   *
   5   * @package WordPress
   6   * @subpackage Administration
   7   */
   8  
   9  /**
  10   * Resend an existing request and return the result.
  11   *
  12   * @since 4.9.6
  13   * @access private
  14   *
  15   * @param int $request_id Request ID.
  16   * @return bool|WP_Error Returns true/false based on the success of sending the email, or a WP_Error object.
  17   */
  18  function _wp_privacy_resend_request( $request_id ) {
  19      $request_id = absint( $request_id );
  20      $request    = get_post( $request_id );
  21  
  22      if ( ! $request || 'user_request' !== $request->post_type ) {
  23          return new WP_Error( 'privacy_request_error', __( 'Invalid request.' ) );
  24      }
  25  
  26      $result = wp_send_user_request( $request_id );
  27  
  28      if ( is_wp_error( $result ) ) {
  29          return $result;
  30      } elseif ( ! $result ) {
  31          return new WP_Error( 'privacy_request_error', __( 'Unable to initiate confirmation request.' ) );
  32      }
  33  
  34      return true;
  35  }
  36  
  37  /**
  38   * Marks a request as completed by the admin and logs the current timestamp.
  39   *
  40   * @since 4.9.6
  41   * @access private
  42   *
  43   * @param int $request_id Request ID.
  44   * @return int|WP_Error Request ID on success, or a WP_Error on failure.
  45   */
  46  function _wp_privacy_completed_request( $request_id ) {
  47      // Get the request.
  48      $request_id = absint( $request_id );
  49      $request    = wp_get_user_request( $request_id );
  50  
  51      if ( ! $request ) {
  52          return new WP_Error( 'privacy_request_error', __( 'Invalid request.' ) );
  53      }
  54  
  55      update_post_meta( $request_id, '_wp_user_request_completed_timestamp', time() );
  56  
  57      $result = wp_update_post(
  58          array(
  59              'ID'          => $request_id,
  60              'post_status' => 'request-completed',
  61          )
  62      );
  63  
  64      return $result;
  65  }
  66  
  67  /**
  68   * Handle list table actions.
  69   *
  70   * @since 4.9.6
  71   * @access private
  72   */
  73  function _wp_personal_data_handle_actions() {
  74      if ( isset( $_POST['privacy_action_email_retry'] ) ) {
  75          check_admin_referer( 'bulk-privacy_requests' );
  76  
  77          $request_id = absint( current( array_keys( (array) wp_unslash( $_POST['privacy_action_email_retry'] ) ) ) );
  78          $result     = _wp_privacy_resend_request( $request_id );
  79  
  80          if ( is_wp_error( $result ) ) {
  81              add_settings_error(
  82                  'privacy_action_email_retry',
  83                  'privacy_action_email_retry',
  84                  $result->get_error_message(),
  85                  'error'
  86              );
  87          } else {
  88              add_settings_error(
  89                  'privacy_action_email_retry',
  90                  'privacy_action_email_retry',
  91                  __( 'Confirmation request sent again successfully.' ),
  92                  'success'
  93              );
  94          }
  95      } elseif ( isset( $_POST['action'] ) ) {
  96          $action = ! empty( $_POST['action'] ) ? sanitize_key( wp_unslash( $_POST['action'] ) ) : '';
  97  
  98          switch ( $action ) {
  99              case 'add_export_personal_data_request':
 100              case 'add_remove_personal_data_request':
 101                  check_admin_referer( 'personal-data-request' );
 102  
 103                  if ( ! isset( $_POST['type_of_action'], $_POST['username_or_email_for_privacy_request'] ) ) {
 104                      add_settings_error(
 105                          'action_type',
 106                          'action_type',
 107                          __( 'Invalid action.' ),
 108                          'error'
 109                      );
 110                  }
 111                  $action_type               = sanitize_text_field( wp_unslash( $_POST['type_of_action'] ) );
 112                  $username_or_email_address = sanitize_text_field( wp_unslash( $_POST['username_or_email_for_privacy_request'] ) );
 113                  $email_address             = '';
 114  
 115                  if ( ! in_array( $action_type, _wp_privacy_action_request_types(), true ) ) {
 116                      add_settings_error(
 117                          'action_type',
 118                          'action_type',
 119                          __( 'Invalid action.' ),
 120                          'error'
 121                      );
 122                  }
 123  
 124                  if ( ! is_email( $username_or_email_address ) ) {
 125                      $user = get_user_by( 'login', $username_or_email_address );
 126                      if ( ! $user instanceof WP_User ) {
 127                          add_settings_error(
 128                              'username_or_email_for_privacy_request',
 129                              'username_or_email_for_privacy_request',
 130                              __( 'Unable to add this request. A valid email address or username must be supplied.' ),
 131                              'error'
 132                          );
 133                      } else {
 134                          $email_address = $user->user_email;
 135                      }
 136                  } else {
 137                      $email_address = $username_or_email_address;
 138                  }
 139  
 140                  if ( empty( $email_address ) ) {
 141                      break;
 142                  }
 143  
 144                  $request_id = wp_create_user_request( $email_address, $action_type );
 145  
 146                  if ( is_wp_error( $request_id ) ) {
 147                      add_settings_error(
 148                          'username_or_email_for_privacy_request',
 149                          'username_or_email_for_privacy_request',
 150                          $request_id->get_error_message(),
 151                          'error'
 152                      );
 153                      break;
 154                  } elseif ( ! $request_id ) {
 155                      add_settings_error(
 156                          'username_or_email_for_privacy_request',
 157                          'username_or_email_for_privacy_request',
 158                          __( 'Unable to initiate confirmation request.' ),
 159                          'error'
 160                      );
 161                      break;
 162                  }
 163  
 164                  wp_send_user_request( $request_id );
 165  
 166                  add_settings_error(
 167                      'username_or_email_for_privacy_request',
 168                      'username_or_email_for_privacy_request',
 169                      __( 'Confirmation request initiated successfully.' ),
 170                      'success'
 171                  );
 172                  break;
 173          }
 174      }
 175  }
 176  
 177  /**
 178   * Cleans up failed and expired requests before displaying the list table.
 179   *
 180   * @since 4.9.6
 181   * @access private
 182   */
 183  function _wp_personal_data_cleanup_requests() {
 184      /** This filter is documented in wp-includes/user.php */
 185      $expires = (int) apply_filters( 'user_request_key_expiration', DAY_IN_SECONDS );
 186  
 187      $requests_query = new WP_Query(
 188          array(
 189              'post_type'      => 'user_request',
 190              'posts_per_page' => -1,
 191              'post_status'    => 'request-pending',
 192              'fields'         => 'ids',
 193              'date_query'     => array(
 194                  array(
 195                      'column' => 'post_modified_gmt',
 196                      'before' => $expires . ' seconds ago',
 197                  ),
 198              ),
 199          )
 200      );
 201  
 202      $request_ids = $requests_query->posts;
 203  
 204      foreach ( $request_ids as $request_id ) {
 205          wp_update_post(
 206              array(
 207                  'ID'            => $request_id,
 208                  'post_status'   => 'request-failed',
 209                  'post_password' => '',
 210              )
 211          );
 212      }
 213  }
 214  
 215  /**
 216   * Generate a single group for the personal data export report.
 217   *
 218   * @since 4.9.6
 219   * @since 5.4.0 Added the `$group_id` and `$groups_count` parameters.
 220   *
 221   * @param array  $group_data {
 222   *     The group data to render.
 223   *
 224   *     @type string $group_label  The user-facing heading for the group, e.g. 'Comments'.
 225   *     @type array  $items        {
 226   *         An array of group items.
 227   *
 228   *         @type array  $group_item_data  {
 229   *             An array of name-value pairs for the item.
 230   *
 231   *             @type string $name   The user-facing name of an item name-value pair, e.g. 'IP Address'.
 232   *             @type string $value  The user-facing value of an item data pair, e.g. '50.60.70.0'.
 233   *         }
 234   *     }
 235   * }
 236   * @param string $group_id     The group identifier.
 237   * @param int    $groups_count The number of all groups
 238   * @return string The HTML for this group and its items.
 239   */
 240  function wp_privacy_generate_personal_data_export_group_html( $group_data, $group_id = '', $groups_count = 1 ) {
 241      $group_id_attr = sanitize_title_with_dashes( $group_data['group_label'] . '-' . $group_id );
 242  
 243      $group_html  = '<h2 id="' . esc_attr( $group_id_attr ) . '">';
 244      $group_html .= esc_html( $group_data['group_label'] );
 245  
 246      $items_count = count( (array) $group_data['items'] );
 247      if ( $items_count > 1 ) {
 248          $group_html .= sprintf( ' <span class="count">(%d)</span>', $items_count );
 249      }
 250  
 251      $group_html .= '</h2>';
 252  
 253      if ( ! empty( $group_data['group_description'] ) ) {
 254          $group_html .= '<p>' . esc_html( $group_data['group_description'] ) . '</p>';
 255      }
 256  
 257      $group_html .= '<div>';
 258  
 259      foreach ( (array) $group_data['items'] as $group_item_id => $group_item_data ) {
 260          $group_html .= '<table>';
 261          $group_html .= '<tbody>';
 262  
 263          foreach ( (array) $group_item_data as $group_item_datum ) {
 264              $value = $group_item_datum['value'];
 265              // If it looks like a link, make it a link.
 266              if ( false === strpos( $value, ' ' ) && ( 0 === strpos( $value, 'http://' ) || 0 === strpos( $value, 'https://' ) ) ) {
 267                  $value = '<a href="' . esc_url( $value ) . '">' . esc_html( $value ) . '</a>';
 268              }
 269  
 270              $group_html .= '<tr>';
 271              $group_html .= '<th>' . esc_html( $group_item_datum['name'] ) . '</th>';
 272              $group_html .= '<td>' . wp_kses( $value, 'personal_data_export' ) . '</td>';
 273              $group_html .= '</tr>';
 274          }
 275  
 276          $group_html .= '</tbody>';
 277          $group_html .= '</table>';
 278      }
 279  
 280      if ( $groups_count > 1 ) {
 281          $group_html .= '<div class="return-to-top">';
 282          $group_html .= '<a href="#top"><span aria-hidden="true">&uarr; </span> ' . esc_html__( 'Return to top' ) . '</a>';
 283          $group_html .= '</div>';
 284      }
 285  
 286      $group_html .= '</div>';
 287  
 288      return $group_html;
 289  }
 290  
 291  /**
 292   * Generate the personal data export file.
 293   *
 294   * @since 4.9.6
 295   *
 296   * @param int $request_id The export request ID.
 297   */
 298  function wp_privacy_generate_personal_data_export_file( $request_id ) {
 299      if ( ! class_exists( 'ZipArchive' ) ) {
 300          wp_send_json_error( __( 'Unable to generate export file. ZipArchive not available.' ) );
 301      }
 302  
 303      // Get the request.
 304      $request = wp_get_user_request( $request_id );
 305  
 306      if ( ! $request || 'export_personal_data' !== $request->action_name ) {
 307          wp_send_json_error( __( 'Invalid request ID when generating export file.' ) );
 308      }
 309  
 310      $email_address = $request->email;
 311  
 312      if ( ! is_email( $email_address ) ) {
 313          wp_send_json_error( __( 'Invalid email address when generating export file.' ) );
 314      }
 315  
 316      // Create the exports folder if needed.
 317      $exports_dir = wp_privacy_exports_dir();
 318      $exports_url = wp_privacy_exports_url();
 319  
 320      if ( ! wp_mkdir_p( $exports_dir ) ) {
 321          wp_send_json_error( __( 'Unable to create export folder.' ) );
 322      }
 323  
 324      // Protect export folder from browsing.
 325      $index_pathname = $exports_dir . 'index.html';
 326      if ( ! file_exists( $index_pathname ) ) {
 327          $file = fopen( $index_pathname, 'w' );
 328          if ( false === $file ) {
 329              wp_send_json_error( __( 'Unable to protect export folder from browsing.' ) );
 330          }
 331          fwrite( $file, '<!-- Silence is golden. -->' );
 332          fclose( $file );
 333      }
 334  
 335      $obscura              = wp_generate_password( 32, false, false );
 336      $file_basename        = 'wp-personal-data-file-' . $obscura;
 337      $html_report_filename = wp_unique_filename( $exports_dir, $file_basename . '.html' );
 338      $html_report_pathname = wp_normalize_path( $exports_dir . $html_report_filename );
 339      $json_report_filename = $file_basename . '.json';
 340      $json_report_pathname = wp_normalize_path( $exports_dir . $json_report_filename );
 341  
 342      /*
 343       * Gather general data needed.
 344       */
 345  
 346      // Title.
 347      $title = sprintf(
 348          /* translators: %s: User's email address. */
 349          __( 'Personal Data Export for %s' ),
 350          $email_address
 351      );
 352  
 353      // And now, all the Groups.
 354      $groups = get_post_meta( $request_id, '_export_data_grouped', true );
 355  
 356      // First, build an "About" group on the fly for this report.
 357      $about_group = array(
 358          /* translators: Header for the About section in a personal data export. */
 359          'group_label'       => _x( 'About', 'personal data group label' ),
 360          /* translators: Description for the About section in a personal data export. */
 361          'group_description' => _x( 'Overview of export report.', 'personal data group description' ),
 362          'items'             => array(
 363              'about-1' => array(
 364                  array(
 365                      'name'  => _x( 'Report generated for', 'email address' ),
 366                      'value' => $email_address,
 367                  ),
 368                  array(
 369                      'name'  => _x( 'For site', 'website name' ),
 370                      'value' => get_bloginfo( 'name' ),
 371                  ),
 372                  array(
 373                      'name'  => _x( 'At URL', 'website URL' ),
 374                      'value' => get_bloginfo( 'url' ),
 375                  ),
 376                  array(
 377                      'name'  => _x( 'On', 'date/time' ),
 378                      'value' => current_time( 'mysql' ),
 379                  ),
 380              ),
 381          ),
 382      );
 383  
 384      // Merge in the special about group.
 385      $groups = array_merge( array( 'about' => $about_group ), $groups );
 386  
 387      $groups_count = count( $groups );
 388  
 389      // Convert the groups to JSON format.
 390      $groups_json = wp_json_encode( $groups );
 391  
 392      /*
 393       * Handle the JSON export.
 394       */
 395      $file = fopen( $json_report_pathname, 'w' );
 396  
 397      if ( false === $file ) {
 398          wp_send_json_error( __( 'Unable to open export file (JSON report) for writing.' ) );
 399      }
 400  
 401      fwrite( $file, '{' );
 402      fwrite( $file, '"' . $title . '":' );
 403      fwrite( $file, $groups_json );
 404      fwrite( $file, '}' );
 405      fclose( $file );
 406  
 407      /*
 408       * Handle the HTML export.
 409       */
 410      $file = fopen( $html_report_pathname, 'w' );
 411  
 412      if ( false === $file ) {
 413          wp_send_json_error( __( 'Unable to open export file (HTML report) for writing.' ) );
 414      }
 415  
 416      fwrite( $file, "<!DOCTYPE html>\n" );
 417      fwrite( $file, "<html>\n" );
 418      fwrite( $file, "<head>\n" );
 419      fwrite( $file, "<meta http-equiv='Content-Type' content='text/html; charset=UTF-8' />\n" );
 420      fwrite( $file, "<style type='text/css'>" );
 421      fwrite( $file, 'body { color: black; font-family: Arial, sans-serif; font-size: 11pt; margin: 15px auto; width: 860px; }' );
 422      fwrite( $file, 'table { background: #f0f0f0; border: 1px solid #ddd; margin-bottom: 20px; width: 100%; }' );
 423      fwrite( $file, 'th { padding: 5px; text-align: left; width: 20%; }' );
 424      fwrite( $file, 'td { padding: 5px; }' );
 425      fwrite( $file, 'tr:nth-child(odd) { background-color: #fafafa; }' );
 426      fwrite( $file, '.return-to-top { text-align: right; }' );
 427      fwrite( $file, '</style>' );
 428      fwrite( $file, '<title>' );
 429      fwrite( $file, esc_html( $title ) );
 430      fwrite( $file, '</title>' );
 431      fwrite( $file, "</head>\n" );
 432      fwrite( $file, "<body>\n" );
 433      fwrite( $file, '<h1 id="top">' . esc_html__( 'Personal Data Export' ) . '</h1>' );
 434  
 435      // Create TOC.
 436      if ( $groups_count > 1 ) {
 437          fwrite( $file, '<div id="table_of_contents">' );
 438          fwrite( $file, '<h2>' . esc_html__( 'Table of Contents' ) . '</h2>' );
 439          fwrite( $file, '<ul>' );
 440          foreach ( (array) $groups as $group_id => $group_data ) {
 441              $group_label       = esc_html( $group_data['group_label'] );
 442              $group_id_attr     = sanitize_title_with_dashes( $group_data['group_label'] . '-' . $group_id );
 443              $group_items_count = count( (array) $group_data['items'] );
 444              if ( $group_items_count > 1 ) {
 445                  $group_label .= sprintf( ' <span class="count">(%d)</span>', $group_items_count );
 446              }
 447              fwrite( $file, '<li>' );
 448              fwrite( $file, '<a href="#' . esc_attr( $group_id_attr ) . '">' . $group_label . '</a>' );
 449              fwrite( $file, '</li>' );
 450          }
 451          fwrite( $file, '</ul>' );
 452          fwrite( $file, '</div>' );
 453      }
 454  
 455      // Now, iterate over every group in $groups and have the formatter render it in HTML.
 456      foreach ( (array) $groups as $group_id => $group_data ) {
 457          fwrite( $file, wp_privacy_generate_personal_data_export_group_html( $group_data, $group_id, $groups_count ) );
 458      }
 459  
 460      fwrite( $file, "</body>\n" );
 461      fwrite( $file, "</html>\n" );
 462      fclose( $file );
 463  
 464      /*
 465       * Now, generate the ZIP.
 466       *
 467       * If an archive has already been generated, then remove it and reuse the filename,
 468       * to avoid breaking any URLs that may have been previously sent via email.
 469       */
 470      $error = false;
 471  
 472      // This meta value is used from version 5.5.
 473      $archive_filename = get_post_meta( $request_id, '_export_file_name', true );
 474  
 475      // This one stored an absolute path and is used for backward compatibility.
 476      $archive_pathname = get_post_meta( $request_id, '_export_file_path', true );
 477  
 478      // If a filename meta exists, use it.
 479      if ( ! empty( $archive_filename ) ) {
 480          $archive_pathname = $exports_dir . $archive_filename;
 481      } elseif ( ! empty( $archive_pathname ) ) {
 482          // If a full path meta exists, use it and create the new meta value.
 483          $archive_filename = basename( $archive_pathname );
 484  
 485          update_post_meta( $request_id, '_export_file_name', $archive_filename );
 486  
 487          // Remove the back-compat meta values.
 488          delete_post_meta( $request_id, '_export_file_url' );
 489          delete_post_meta( $request_id, '_export_file_path' );
 490      } else {
 491          // If there's no filename or full path stored, create a new file.
 492          $archive_filename = $file_basename . '.zip';
 493          $archive_pathname = $exports_dir . $archive_filename;
 494  
 495          update_post_meta( $request_id, '_export_file_name', $archive_filename );
 496      }
 497  
 498      $archive_url = $exports_url . $archive_filename;
 499  
 500      if ( ! empty( $archive_pathname ) && file_exists( $archive_pathname ) ) {
 501          wp_delete_file( $archive_pathname );
 502      }
 503  
 504      $zip = new ZipArchive;
 505      if ( true === $zip->open( $archive_pathname, ZipArchive::CREATE ) ) {
 506          if ( ! $zip->addFile( $json_report_pathname, 'export.json' ) ) {
 507              $error = __( 'Unable to add data to JSON file.' );
 508          }
 509  
 510          if ( ! $zip->addFile( $html_report_pathname, 'index.html' ) ) {
 511              $error = __( 'Unable to add data to HTML file.' );
 512          }
 513  
 514          $zip->close();
 515  
 516          if ( ! $error ) {
 517              /**
 518               * Fires right after all personal data has been written to the export file.
 519               *
 520               * @since 4.9.6
 521               * @since 5.4.0 Added the `$json_report_pathname` parameter.
 522               *
 523               * @param string $archive_pathname     The full path to the export file on the filesystem.
 524               * @param string $archive_url          The URL of the archive file.
 525               * @param string $html_report_pathname The full path to the HTML personal data report on the filesystem.
 526               * @param int    $request_id           The export request ID.
 527               * @param string $json_report_pathname The full path to the JSON personal data report on the filesystem.
 528               */
 529              do_action( 'wp_privacy_personal_data_export_file_created', $archive_pathname, $archive_url, $html_report_pathname, $request_id, $json_report_pathname );
 530          }
 531      } else {
 532          $error = __( 'Unable to open export file (archive) for writing.' );
 533      }
 534  
 535      // Remove the JSON file.
 536      unlink( $json_report_pathname );
 537  
 538      // Remove the HTML file.
 539      unlink( $html_report_pathname );
 540  
 541      if ( $error ) {
 542          wp_send_json_error( $error );
 543      }
 544  }
 545  
 546  /**
 547   * Send an email to the user with a link to the personal data export file
 548   *
 549   * @since 4.9.6
 550   *
 551   * @param int $request_id The request ID for this personal data export.
 552   * @return true|WP_Error True on success or `WP_Error` on failure.
 553   */
 554  function wp_privacy_send_personal_data_export_email( $request_id ) {
 555      // Get the request.
 556      $request = wp_get_user_request( $request_id );
 557  
 558      if ( ! $request || 'export_personal_data' !== $request->action_name ) {
 559          return new WP_Error( 'invalid_request', __( 'Invalid request ID when sending personal data export email.' ) );
 560      }
 561  
 562      // Localize message content for user; fallback to site default for visitors.
 563      if ( ! empty( $request->user_id ) ) {
 564          $locale = get_user_locale( $request->user_id );
 565      } else {
 566          $locale = get_locale();
 567      }
 568  
 569      $switched_locale = switch_to_locale( $locale );
 570  
 571      /** This filter is documented in wp-includes/functions.php */
 572      $expiration      = apply_filters( 'wp_privacy_export_expiration', 3 * DAY_IN_SECONDS );
 573      $expiration_date = date_i18n( get_option( 'date_format' ), time() + $expiration );
 574  
 575      $exports_url      = wp_privacy_exports_url();
 576      $export_file_name = get_post_meta( $request_id, '_export_file_name', true );
 577      $export_file_url  = $exports_url . $export_file_name;
 578  
 579      $site_name = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
 580      $site_url  = home_url();
 581  
 582      /**
 583       * Filters the recipient of the personal data export email notification.
 584       * Should be used with great caution to avoid sending the data export link to wrong emails.
 585       *
 586       * @since 5.3.0
 587       *
 588       * @param string          $request_email The email address of the notification recipient.
 589       * @param WP_User_Request $request       The request that is initiating the notification.
 590       */
 591      $request_email = apply_filters( 'wp_privacy_personal_data_email_to', $request->email, $request );
 592  
 593      $email_data = array(
 594          'request'           => $request,
 595          'expiration'        => $expiration,
 596          'expiration_date'   => $expiration_date,
 597          'message_recipient' => $request_email,
 598          'export_file_url'   => $export_file_url,
 599          'sitename'          => $site_name,
 600          'siteurl'           => $site_url,
 601      );
 602  
 603      /* translators: Personal data export notification email subject. %s: Site title. */
 604      $subject = sprintf( __( '[%s] Personal Data Export' ), $site_name );
 605  
 606      /**
 607       * Filters the subject of the email sent when an export request is completed.
 608       *
 609       * @since 5.3.0
 610       *
 611       * @param string $subject    The email subject.
 612       * @param string $sitename   The name of the site.
 613       * @param array  $email_data {
 614       *     Data relating to the account action email.
 615       *
 616       *     @type WP_User_Request $request           User request object.
 617       *     @type int             $expiration        The time in seconds until the export file expires.
 618       *     @type string          $expiration_date   The localized date and time when the export file expires.
 619       *     @type string          $message_recipient The address that the email will be sent to. Defaults
 620       *                                              to the value of `$request->email`, but can be changed
 621       *                                              by the `wp_privacy_personal_data_email_to` filter.
 622       *     @type string          $export_file_url   The export file URL.
 623       *     @type string          $sitename          The site name sending the mail.
 624       *     @type string          $siteurl           The site URL sending the mail.
 625       * }
 626       */
 627      $subject = apply_filters( 'wp_privacy_personal_data_email_subject', $subject, $site_name, $email_data );
 628  
 629      /* translators: Do not translate EXPIRATION, LINK, SITENAME, SITEURL: those are placeholders. */
 630      $email_text = __(
 631          'Howdy,
 632  
 633  Your request for an export of personal data has been completed. You may
 634  download your personal data by clicking on the link below. For privacy
 635  and security, we will automatically delete the file on ###EXPIRATION###,
 636  so please download it before then.
 637  
 638  ###LINK###
 639  
 640  Regards,
 641  All at ###SITENAME###
 642  ###SITEURL###'
 643      );
 644  
 645      /**
 646       * Filters the text of the email sent with a personal data export file.
 647       *
 648       * The following strings have a special meaning and will get replaced dynamically:
 649       * ###EXPIRATION###         The date when the URL will be automatically deleted.
 650       * ###LINK###               URL of the personal data export file for the user.
 651       * ###SITENAME###           The name of the site.
 652       * ###SITEURL###            The URL to the site.
 653       *
 654       * @since 4.9.6
 655       * @since 5.3.0 Introduced the `$email_data` array.
 656       *
 657       * @param string $email_text Text in the email.
 658       * @param int    $request_id The request ID for this personal data export.
 659       * @param array  $email_data {
 660       *     Data relating to the account action email.
 661       *
 662       *     @type WP_User_Request $request           User request object.
 663       *     @type int             $expiration        The time in seconds until the export file expires.
 664       *     @type string          $expiration_date   The localized date and time when the export file expires.
 665       *     @type string          $message_recipient The address that the email will be sent to. Defaults
 666       *                                              to the value of `$request->email`, but can be changed
 667       *                                              by the `wp_privacy_personal_data_email_to` filter.
 668       *     @type string          $export_file_url   The export file URL.
 669       *     @type string          $sitename          The site name sending the mail.
 670       *     @type string          $siteurl           The site URL sending the mail.
 671       */
 672      $content = apply_filters( 'wp_privacy_personal_data_email_content', $email_text, $request_id, $email_data );
 673  
 674      $content = str_replace( '###EXPIRATION###', $expiration_date, $content );
 675      $content = str_replace( '###LINK###', esc_url_raw( $export_file_url ), $content );
 676      $content = str_replace( '###EMAIL###', $request_email, $content );
 677      $content = str_replace( '###SITENAME###', $site_name, $content );
 678      $content = str_replace( '###SITEURL###', esc_url_raw( $site_url ), $content );
 679  
 680      $headers = '';
 681  
 682      /**
 683       * Filters the headers of the email sent with a personal data export file.
 684       *
 685       * @since 5.4.0
 686       *
 687       * @param string|array $headers    The email headers.
 688       * @param string       $subject    The email subject.
 689       * @param string       $content    The email content.
 690       * @param int          $request_id The request ID.
 691       * @param array        $email_data {
 692       *     Data relating to the account action email.
 693       *
 694       *     @type WP_User_Request $request           User request object.
 695       *     @type int             $expiration        The time in seconds until the export file expires.
 696       *     @type string          $expiration_date   The localized date and time when the export file expires.
 697       *     @type string          $message_recipient The address that the email will be sent to. Defaults
 698       *                                              to the value of `$request->email`, but can be changed
 699       *                                              by the `wp_privacy_personal_data_email_to` filter.
 700       *     @type string          $export_file_url   The export file URL.
 701       *     @type string          $sitename          The site name sending the mail.
 702       *     @type string          $siteurl           The site URL sending the mail.
 703       * }
 704       */
 705      $headers = apply_filters( 'wp_privacy_personal_data_email_headers', $headers, $subject, $content, $request_id, $email_data );
 706  
 707      $mail_success = wp_mail( $request_email, $subject, $content, $headers );
 708  
 709      if ( $switched_locale ) {
 710          restore_previous_locale();
 711      }
 712  
 713      if ( ! $mail_success ) {
 714          return new WP_Error( 'privacy_email_error', __( 'Unable to send personal data export email.' ) );
 715      }
 716  
 717      return true;
 718  }
 719  
 720  /**
 721   * Intercept personal data exporter page Ajax responses in order to assemble the personal data export file.
 722   *
 723   * @since 4.9.6
 724   *
 725   * @see 'wp_privacy_personal_data_export_page'
 726   *
 727   * @param array  $response        The response from the personal data exporter for the given page.
 728   * @param int    $exporter_index  The index of the personal data exporter. Begins at 1.
 729   * @param string $email_address   The email address of the user whose personal data this is.
 730   * @param int    $page            The page of personal data for this exporter. Begins at 1.
 731   * @param int    $request_id      The request ID for this personal data export.
 732   * @param bool   $send_as_email   Whether the final results of the export should be emailed to the user.
 733   * @param string $exporter_key    The slug (key) of the exporter.
 734   * @return array The filtered response.
 735   */
 736  function wp_privacy_process_personal_data_export_page( $response, $exporter_index, $email_address, $page, $request_id, $send_as_email, $exporter_key ) {
 737      /* Do some simple checks on the shape of the response from the exporter.
 738       * If the exporter response is malformed, don't attempt to consume it - let it
 739       * pass through to generate a warning to the user by default Ajax processing.
 740       */
 741      if ( ! is_array( $response ) ) {
 742          return $response;
 743      }
 744  
 745      if ( ! array_key_exists( 'done', $response ) ) {
 746          return $response;
 747      }
 748  
 749      if ( ! array_key_exists( 'data', $response ) ) {
 750          return $response;
 751      }
 752  
 753      if ( ! is_array( $response['data'] ) ) {
 754          return $response;
 755      }
 756  
 757      // Get the request.
 758      $request = wp_get_user_request( $request_id );
 759  
 760      if ( ! $request || 'export_personal_data' !== $request->action_name ) {
 761          wp_send_json_error( __( 'Invalid request ID when merging exporter data.' ) );
 762      }
 763  
 764      $export_data = array();
 765  
 766      // First exporter, first page? Reset the report data accumulation array.
 767      if ( 1 === $exporter_index && 1 === $page ) {
 768          update_post_meta( $request_id, '_export_data_raw', $export_data );
 769      } else {
 770          $export_data = get_post_meta( $request_id, '_export_data_raw', true );
 771      }
 772  
 773      // Now, merge the data from the exporter response into the data we have accumulated already.
 774      $export_data = array_merge( $export_data, $response['data'] );
 775      update_post_meta( $request_id, '_export_data_raw', $export_data );
 776  
 777      // If we are not yet on the last page of the last exporter, return now.
 778      /** This filter is documented in wp-admin/includes/ajax-actions.php */
 779      $exporters        = apply_filters( 'wp_privacy_personal_data_exporters', array() );
 780      $is_last_exporter = count( $exporters ) === $exporter_index;
 781      $exporter_done    = $response['done'];
 782      if ( ! $is_last_exporter || ! $exporter_done ) {
 783          return $response;
 784      }
 785  
 786      // Last exporter, last page - let's prepare the export file.
 787  
 788      // First we need to re-organize the raw data hierarchically in groups and items.
 789      $groups = array();
 790      foreach ( (array) $export_data as $export_datum ) {
 791          $group_id    = $export_datum['group_id'];
 792          $group_label = $export_datum['group_label'];
 793  
 794          $group_description = '';
 795          if ( ! empty( $export_datum['group_description'] ) ) {
 796              $group_description = $export_datum['group_description'];
 797          }
 798  
 799          if ( ! array_key_exists( $group_id, $groups ) ) {
 800              $groups[ $group_id ] = array(
 801                  'group_label'       => $group_label,
 802                  'group_description' => $group_description,
 803                  'items'             => array(),
 804              );
 805          }
 806  
 807          $item_id = $export_datum['item_id'];
 808          if ( ! array_key_exists( $item_id, $groups[ $group_id ]['items'] ) ) {
 809              $groups[ $group_id ]['items'][ $item_id ] = array();
 810          }
 811  
 812          $old_item_data                            = $groups[ $group_id ]['items'][ $item_id ];
 813          $merged_item_data                         = array_merge( $export_datum['data'], $old_item_data );
 814          $groups[ $group_id ]['items'][ $item_id ] = $merged_item_data;
 815      }
 816  
 817      // Then save the grouped data into the request.
 818      delete_post_meta( $request_id, '_export_data_raw' );
 819      update_post_meta( $request_id, '_export_data_grouped', $groups );
 820  
 821      /**
 822       * Generate the export file from the collected, grouped personal data.
 823       *
 824       * @since 4.9.6
 825       *
 826       * @param int $request_id The export request ID.
 827       */
 828      do_action( 'wp_privacy_personal_data_export_file', $request_id );
 829  
 830      // Clear the grouped data now that it is no longer needed.
 831      delete_post_meta( $request_id, '_export_data_grouped' );
 832  
 833      // If the destination is email, send it now.
 834      if ( $send_as_email ) {
 835          $mail_success = wp_privacy_send_personal_data_export_email( $request_id );
 836          if ( is_wp_error( $mail_success ) ) {
 837              wp_send_json_error( $mail_success->get_error_message() );
 838          }
 839  
 840          // Update the request to completed state when the export email is sent.
 841          _wp_privacy_completed_request( $request_id );
 842      } else {
 843          // Modify the response to include the URL of the export file so the browser can fetch it.
 844          $exports_url      = wp_privacy_exports_url();
 845          $export_file_name = get_post_meta( $request_id, '_export_file_name', true );
 846          $export_file_url  = $exports_url . $export_file_name;
 847  
 848          if ( ! empty( $export_file_url ) ) {
 849              $response['url'] = $export_file_url;
 850          }
 851      }
 852  
 853      return $response;
 854  }
 855  
 856  /**
 857   * Mark erasure requests as completed after processing is finished.
 858   *
 859   * This intercepts the Ajax responses to personal data eraser page requests, and
 860   * monitors the status of a request. Once all of the processing has finished, the
 861   * request is marked as completed.
 862   *
 863   * @since 4.9.6
 864   *
 865   * @see 'wp_privacy_personal_data_erasure_page'
 866   *
 867   * @param array  $response      The response from the personal data eraser for
 868   *                              the given page.
 869   * @param int    $eraser_index  The index of the personal data eraser. Begins
 870   *                              at 1.
 871   * @param string $email_address The email address of the user whose personal
 872   *                              data this is.
 873   * @param int    $page          The page of personal data for this eraser.
 874   *                              Begins at 1.
 875   * @param int    $request_id    The request ID for this personal data erasure.
 876   * @return array The filtered response.
 877   */
 878  function wp_privacy_process_personal_data_erasure_page( $response, $eraser_index, $email_address, $page, $request_id ) {
 879      /*
 880       * If the eraser response is malformed, don't attempt to consume it; let it
 881       * pass through, so that the default Ajax processing will generate a warning
 882       * to the user.
 883       */
 884      if ( ! is_array( $response ) ) {
 885          return $response;
 886      }
 887  
 888      if ( ! array_key_exists( 'done', $response ) ) {
 889          return $response;
 890      }
 891  
 892      if ( ! array_key_exists( 'items_removed', $response ) ) {
 893          return $response;
 894      }
 895  
 896      if ( ! array_key_exists( 'items_retained', $response ) ) {
 897          return $response;
 898      }
 899  
 900      if ( ! array_key_exists( 'messages', $response ) ) {
 901          return $response;
 902      }
 903  
 904      // Get the request.
 905      $request = wp_get_user_request( $request_id );
 906  
 907      if ( ! $request || 'remove_personal_data' !== $request->action_name ) {
 908          wp_send_json_error( __( 'Invalid request ID when processing eraser data.' ) );
 909      }
 910  
 911      /** This filter is documented in wp-admin/includes/ajax-actions.php */
 912      $erasers        = apply_filters( 'wp_privacy_personal_data_erasers', array() );
 913      $is_last_eraser = count( $erasers ) === $eraser_index;
 914      $eraser_done    = $response['done'];
 915  
 916      if ( ! $is_last_eraser || ! $eraser_done ) {
 917          return $response;
 918      }
 919  
 920      _wp_privacy_completed_request( $request_id );
 921  
 922      /**
 923       * Fires immediately after a personal data erasure request has been marked completed.
 924       *
 925       * @since 4.9.6
 926       *
 927       * @param int $request_id The privacy request post ID associated with this request.
 928       */
 929      do_action( 'wp_privacy_personal_data_erased', $request_id );
 930  
 931      return $response;
 932  }


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