Menu Adam R Brown

WP hooks navigation: Home/browseActions indexFilters index

Source View: wp_signature_hosts

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
1061      // If the caller expects signature verification to occur, check to see if this URL supports it.
1062      if ( $signature_verification ) {
1063           /**
1064            * Filters the list of hosts which should have Signature Verification attempteds on.
1065            *
1066            * @since 5.2.0
1067            *
1068            * @param array List of hostnames.
1069            */
1070           $signed_hostnames       = apply_filters( 'wp_signature_hosts', array( 'wordpress.org', 'downloads.wordpress.org', 's.w.org' ) );
1071           $signature_verification = in_array( parse_url( $url, PHP_URL_HOST ), $signed_hostnames, true );
1072      }
1073
1074      // Perform signature valiation if supported.
1075      if ( $signature_verification ) {
1076           $signature = wp_remote_retrieve_header( $response, 'x-content-signature' );
1077           if ( ! $signature ) {
1078                // Retrieve signatures from a file if the header wasn't included.
1079                // WordPress.org stores signatures at $package_url.sig