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Source View: wp_signature_hosts

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Line Code
1273      // If the caller expects signature verification to occur, check to see if this URL supports it.
1274      if ( $signature_verification ) {
1275           /**
1276            * Filters the list of hosts which should have Signature Verification attempted on.
1277            *
1278            * @since 5.2.0
1279            *
1280            * @param string[] $hostnames List of hostnames.
1281            */
1282           $signed_hostnames = apply_filters( 'wp_signature_hosts', array( 'wordpress.org', 'downloads.wordpress.org', 's.w.org' ) );
1283
1284           $signature_verification = in_array( parse_url( $url, PHP_URL_HOST ), $signed_hostnames, true );
1285      }
1286
1287      // Perform signature validation if supported.
1288      if ( $signature_verification ) {
1289           $signature = wp_remote_retrieve_header( $response, 'X-Content-Signature' );
1290
1291           if ( ! $signature ) {