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Improve redirect handling 

Merges[40689] to the 4.7 branch.

Built from https://develop.svn.wordpress.org/branches/4.6@40691


git-svn-id: http://core.svn.wordpress.org/branches/4.6@40554 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Pascal Birchler 2017-05-16 08:41:33 +00:00
parent 5c4b703f38
commit 81a5ef373a
1 changed files with 17 additions and 0 deletions
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17
wp-includes/class-http.php
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@ -310,6 +310,11 @@ class WP_Http {
// Ensure redirects follow browser behaviour.
$options['hooks']->register( 'requests.before_redirect', array( get_class(), 'browser_redirect_compatibility' ) );
// Validate redirected URLs.
if ( function_exists( 'wp_kses_bad_protocol' ) && $r['reject_unsafe_urls'] ) {
$options['hooks']->register( 'requests.before_redirect', array( get_class(), 'validate_redirects' ) );
}
if ( $r['stream'] ) {
$options['filename'] = $r['filename'];
}
@ -470,6 +475,18 @@ class WP_Http {
}
}
/**
* Validate redirected URLs.
*
* @throws Requests_Exception On unsuccessful URL validation
* @param string $location URL to redirect to.
*/
public static function validate_redirects( $location ) {
if ( ! wp_http_validate_url( $location ) ) {
throw new Requests_Exception( __('A valid URL was not provided.'), 'wp_http.redirect_failed_validation' );
}
}
/**
* Tests which transports are capable of supporting the request.
*