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REST API: Return an error if the page number is out of bounds.

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Return an error from the REST API if a page number larger than the total pages count is requested.

Props morganestes.
Fixes #39061.

git-svn-id: https://develop.svn.wordpress.org/trunk@39967 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Joe Hoyle 2017-01-26 13:52:06 +00:00
parent a96089e8e6
commit 38b400c4d7
2 changed files with 16 additions and 0 deletions
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5
src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php
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@ -327,6 +327,11 @@ class WP_REST_Posts_Controller extends WP_REST_Controller {
}
$max_pages = ceil( $total_posts / (int) $posts_query->query_vars['posts_per_page'] );
if ( $page > $max_pages && $total_posts > 0 ) {
return new WP_Error( 'rest_post_invalid_page_number', __( 'The page number requested is larger than the number of pages available.' ), array( 'status' => 400 ) );
}
$response = rest_ensure_response( $posts );
$response->header( 'X-WP-Total', (int) $total_posts );

11
tests/phpunit/tests/rest-api/rest-posts-controller.php
View File

@ -827,6 +827,17 @@ class WP_Test_REST_Posts_Controller extends WP_Test_REST_Post_Type_Controller_Te
$this->assertErrorResponse( 'rest_invalid_param', $response, 400 );
}
/**
* @ticket 39061
*/
public function test_get_items_invalid_max_pages() {
// Out of bounds
$request = new WP_REST_Request( 'GET', '/wp/v2/posts' );
$request->set_param( 'page', REST_TESTS_IMPOSSIBLY_HIGH_NUMBER );
$response = $this->server->dispatch( $request );
$this->assertErrorResponse( 'rest_post_invalid_page_number', $response, 400 );
}
public function test_get_items_invalid_context() {
$request = new WP_REST_Request( 'GET', '/wp/v2/posts' );
$request->set_param( 'context', 'banana' );