home/wwgoat/public_html/blog/wp-includes/https-detection.php 0000644 00000013035 14720640307 0020317 0 ustar 00 errors;
}
$support_errors = new WP_Error();
$response = wp_remote_request(
home_url( '/', 'https' ),
array(
'headers' => array(
'Cache-Control' => 'no-cache',
),
'sslverify' => true,
)
);
if ( is_wp_error( $response ) ) {
$unverified_response = wp_remote_request(
home_url( '/', 'https' ),
array(
'headers' => array(
'Cache-Control' => 'no-cache',
),
'sslverify' => false,
)
);
if ( is_wp_error( $unverified_response ) ) {
$support_errors->add(
'https_request_failed',
__( 'HTTPS request failed.' )
);
} else {
$support_errors->add(
'ssl_verification_failed',
__( 'SSL verification failed.' )
);
}
$response = $unverified_response;
}
if ( ! is_wp_error( $response ) ) {
if ( 200 !== wp_remote_retrieve_response_code( $response ) ) {
$support_errors->add( 'bad_response_code', wp_remote_retrieve_response_message( $response ) );
} elseif ( false === wp_is_local_html_output( wp_remote_retrieve_body( $response ) ) ) {
$support_errors->add( 'bad_response_source', __( 'It looks like the response did not come from this site.' ) );
}
}
return $support_errors->errors;
}
/**
* Checks whether a given HTML string is likely an output from this WordPress site.
*
* This function attempts to check for various common WordPress patterns whether they are included in the HTML string.
* Since any of these actions may be disabled through third-party code, this function may also return null to indicate
* that it was not possible to determine ownership.
*
* @since 5.7.0
* @access private
*
* @param string $html Full HTML output string, e.g. from a HTTP response.
* @return bool|null True/false for whether HTML was generated by this site, null if unable to determine.
*/
function wp_is_local_html_output( $html ) {
// 1. Check if HTML includes the site's Really Simple Discovery link.
if ( has_action( 'wp_head', 'rsd_link' ) ) {
$pattern = preg_replace( '#^https?:(?=//)#', '', esc_url( site_url( 'xmlrpc.php?rsd', 'rpc' ) ) ); // See rsd_link().
return str_contains( $html, $pattern );
}
// 2. Check if HTML includes the site's REST API link.
if ( has_action( 'wp_head', 'rest_output_link_wp_head' ) ) {
// Try both HTTPS and HTTP since the URL depends on context.
$pattern = preg_replace( '#^https?:(?=//)#', '', esc_url( get_rest_url() ) ); // See rest_output_link_wp_head().
return str_contains( $html, $pattern );
}
// Otherwise the result cannot be determined.
return null;
}