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Canonical: Ensure redirect query keys are URL encoded. 

This prevents an infinite redirect loop when a request containing URL-encoded characters triggers `is_404()`.

Props soulseekah, wrwrwr0.
Fixes #43745.


git-svn-id: https://develop.svn.wordpress.org/trunk@45133 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Gary Pendergast 2019-04-08 01:09:01 +00:00
parent 639f038dae
commit 65e057daa2
2 changed files with 24 additions and 1 deletions
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5
src/wp-includes/canonical.php
View File

@ -388,7 +388,10 @@ function redirect_canonical( $requested_url = null, $do_redirect = true ) {
}
}
$_parsed_query = rawurlencode_deep( $_parsed_query );
$_parsed_query = array_combine(
rawurlencode_deep( array_keys( $_parsed_query ) ),
rawurlencode_deep( array_values( $_parsed_query ) )
);
$redirect_url = add_query_arg( $_parsed_query, $redirect_url );
}

20
tests/phpunit/tests/canonical.php
View File

@ -213,4 +213,24 @@ class Tests_Canonical extends WP_Canonical_UnitTestCase {
// Todo: Endpoints (feeds, trackbacks, etc), More fuzzed mixed query variables, comment paging, Home page (Static)
);
}
/**
* @ticket 43745
*/
public function test_utf8_query_keys_canonical() {
$p = self::factory()->post->create(
array(
'post_type' => 'page',
)
);
update_option( 'show_on_front', 'page' );
update_option( 'page_on_front', $p );
$this->go_to( get_permalink( $p ) );
$url = redirect_canonical( add_query_arg( '%D0%BA%D0%BE%D0%BA%D0%BE%D0%BA%D0%BE', 1, site_url( '/' ) ), false );
$this->assertNull( $url );
delete_option( 'page_on_front' );
}
}