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REST API: Do not addslash when receiving meta arrays of non-string values. 

Slashing non-string data caused PUT requests containing unmodified meta arrays of integers to fail the check against the existing stored meta value, causing a 500 when posting an unmodified response body back to the server.

Props TimothyBlynJacobs, augustuswm.
Fixes #48264.


git-svn-id: https://develop.svn.wordpress.org/trunk@46454 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
K. Adam White 2019-10-09 17:34:20 +00:00
parent c608c85b67
commit 22d50c492d
3 changed files with 362 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
src/wp-includes/formatting.php
View File

@ -5406,6 +5406,33 @@ function wp_unslash( $value ) {
return stripslashes_deep( $value );
}
/**
* Adds slashes to only string values in an array of values.
*
* This should be used when preparing data for core APIs that expect slashed data.
* This should not be used to escape data going directly into an SQL query.
*
* @since 5.3.0
*
* @param mixed $value Scalar or array of scalars.
* @return mixed Slashes $value
*/
function wp_slash_strings_only( $value ) {
return map_deep( $value, 'addslashes_strings_only' );
}
/**
* Adds slashes only if the provided value is a string.
*
* @since 5.3.0
*
* @param mixed $value
* @return mixed
*/
function addslashes_strings_only( $value ) {
return is_string( $value ) ? addslashes( $value ) : $value;
}
/**
* Extract and return the first URL from passed content.
*

2
src/wp-includes/rest-api/fields/class-wp-rest-meta-fields.php
View File

@ -365,7 +365,7 @@ abstract class WP_REST_Meta_Fields {
}
}
if ( ! update_metadata( $meta_type, $object_id, wp_slash( $meta_key ), wp_slash( $value ) ) ) {
if ( ! update_metadata( $meta_type, $object_id, wp_slash( $meta_key ), wp_slash_strings_only( $value ) ) ) {
return new WP_Error(
'rest_meta_database_error',
/* translators: %s: Custom field key. */

334
tests/phpunit/tests/rest-api/rest-post-meta-fields.php
View File

@ -2264,6 +2264,340 @@ class WP_Test_REST_Post_Meta_Fields extends WP_Test_REST_TestCase {
self::assertFalse( $registered );
}
/**
* @ticket 48264
*/
public function test_update_array_of_ints_meta() {
$this->grant_write_permission();
register_post_meta(
'post',
'items',
array(
'single' => true,
'type' => 'array',
'show_in_rest' => array(
'schema' => array(
'items' => array(
'type' => 'integer',
),
),
),
)
);
$request = new WP_REST_Request( 'PUT', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
$request->set_body_params(
array(
'meta' => array(
'items' => array( 1, 2, 3 ),
),
)
);
rest_get_server()->dispatch( $request );
$response = rest_get_server()->dispatch( $request );
$this->assertEquals( 200, $response->get_status() );
}
/**
* @ticket 48264
*/
public function test_update_array_of_ints_meta_stored_strings_are_updated() {
$this->grant_write_permission();
register_post_meta(
'post',
'items',
array(
'single' => true,
'type' => 'array',
'show_in_rest' => array(
'schema' => array(
'items' => array(
'type' => 'integer',
),
),
),
)
);
update_post_meta( self::$post_id, 'items', array( '1', '2', '3' ) );
$response = rest_get_server()->dispatch( new WP_REST_Request( 'GET', sprintf( '/wp/v2/posts/%d', self::$post_id ) ) );
$this->assertEquals( array( 1, 2, 3 ), $response->get_data()['meta']['items'] );
$request = new WP_REST_Request( 'PUT', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
$request->set_body_params(
array(
'meta' => array(
'items' => array( 1, 2, 3 ),
),
)
);
$response = rest_get_server()->dispatch( $request );
$this->assertEquals( 200, $response->get_status() );
$this->assertSame( array( 1, 2, 3 ), get_post_meta( self::$post_id, 'items', true ) );
}
/**
* @ticket 48264
*/
public function test_update_array_of_ints_meta_string_request_data_is_set_as_ints() {
$this->grant_write_permission();
register_post_meta(
'post',
'items',
array(
'single' => true,
'type' => 'array',
'show_in_rest' => array(
'schema' => array(
'items' => array(
'type' => 'integer',
),
),
),
)
);
update_post_meta( self::$post_id, 'items', array( 1, 2, 3 ) );
$request = new WP_REST_Request( 'PUT', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
$request->set_body_params(
array(
'meta' => array(
'items' => array( '1', '2', '3' ),
),
)
);
$response = rest_get_server()->dispatch( $request );
$this->assertEquals( 200, $response->get_status() );
$this->assertSame( array( 1, 2, 3 ), get_post_meta( self::$post_id, 'items', true ) );
}
/**
* @ticket 48264
*/
public function test_update_array_of_ints_meta_string_request_data_and_string_stored_data() {
$this->grant_write_permission();
register_post_meta(
'post',
'items',
array(
'single' => true,
'type' => 'array',
'show_in_rest' => array(
'schema' => array(
'items' => array(
'type' => 'integer',
),
),
),
)
);
update_post_meta( self::$post_id, 'items', array( '1', '2', '3' ) );
$request = new WP_REST_Request( 'PUT', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
$request->set_body_params(
array(
'meta' => array(
'items' => array( '1', '2', '3' ),
),
)
);
$response = rest_get_server()->dispatch( $request );
$this->assertEquals( 200, $response->get_status() );
$this->assertSame( array( 1, 2, 3 ), get_post_meta( self::$post_id, 'items', true ) );
}
/**
* @ticket 48264
*/
public function test_update_array_of_bools_meta() {
$this->grant_write_permission();
register_post_meta(
'post',
'items',
array(
'single' => true,
'type' => 'array',
'show_in_rest' => array(
'schema' => array(
'items' => array(
'type' => 'boolean',
),
),
),
)
);
$request = new WP_REST_Request( 'PUT', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
$request->set_body_params(
array(
'meta' => array(
'items' => array( true, false ),
),
)
);
rest_get_server()->dispatch( $request );
$response = rest_get_server()->dispatch( $request );
$this->assertEquals( 200, $response->get_status() );
}
/**
* @ticket 48264
*/
public function test_update_array_of_bools_meta_stored_strings_are_updated() {
$this->grant_write_permission();
register_post_meta(
'post',
'items',
array(
'single' => true,
'type' => 'array',
'show_in_rest' => array(
'schema' => array(
'items' => array(
'type' => 'boolean',
),
),
),
)
);
update_post_meta( self::$post_id, 'items', array( '1', '0' ) );
$response = rest_get_server()->dispatch( new WP_REST_Request( 'GET', sprintf( '/wp/v2/posts/%d', self::$post_id ) ) );
$this->assertEquals( array( true, false ), $response->get_data()['meta']['items'] );
$request = new WP_REST_Request( 'PUT', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
$request->set_body_params(
array(
'meta' => array(
'items' => array( true, false ),
),
)
);
$response = rest_get_server()->dispatch( $request );
$this->assertEquals( 200, $response->get_status() );
$this->assertSame( array( true, false ), get_post_meta( self::$post_id, 'items', true ) );
}
/**
* @ticket 48264
*/
public function test_update_array_of_bools_meta_string_request_data_is_set_as_bools() {
$this->grant_write_permission();
register_post_meta(
'post',
'items',
array(
'single' => true,
'type' => 'array',
'show_in_rest' => array(
'schema' => array(
'items' => array(
'type' => 'boolean',
),
),
),
)
);
update_post_meta( self::$post_id, 'items', array( true, false ) );
$request = new WP_REST_Request( 'PUT', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
$request->set_body_params(
array(
'meta' => array(
'items' => array( '1', '0' ),
),
)
);
$response = rest_get_server()->dispatch( $request );
$this->assertEquals( 200, $response->get_status() );
$this->assertSame( array( true, false ), get_post_meta( self::$post_id, 'items', true ) );
}
/**
* @ticket 48264
*/
public function test_update_array_of_bools_meta_string_request_data_and_string_stored_data() {
$this->grant_write_permission();
register_post_meta(
'post',
'items',
array(
'single' => true,
'type' => 'array',
'show_in_rest' => array(
'schema' => array(
'items' => array(
'type' => 'boolean',
),
),
),
)
);
update_post_meta( self::$post_id, 'items', array( '1', '0' ) );
$request = new WP_REST_Request( 'PUT', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
$request->set_body_params(
array(
'meta' => array(
'items' => array( '1', '0' ),
),
)
);
$response = rest_get_server()->dispatch( $request );
$this->assertEquals( 200, $response->get_status() );
$this->assertSame( array( true, false ), get_post_meta( self::$post_id, 'items', true ) );
}
/**
* @ticket 48264
*/
public function test_update_array_of_bools_with_string_values_stored_and_opposite_request_data() {
$this->grant_write_permission();
register_post_meta(
'post',
'items',
array(
'single' => true,
'type' => 'array',
'show_in_rest' => array(
'schema' => array(
'items' => array(
'type' => 'boolean',
),
),
),
)
);
update_post_meta( self::$post_id, 'items', array( '1', '0' ) );
$request = new WP_REST_Request( 'PUT', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
$request->set_body_params(
array(
'meta' => array(
'items' => array( false, true ),
),
)
);
$response = rest_get_server()->dispatch( $request );
$this->assertEquals( 200, $response->get_status() );
$this->assertSame( array( false, true ), get_post_meta( self::$post_id, 'items', true ) );
}
/**
* Internal function used to disable an insert query which
* will trigger a wpdb error for testing purposes.