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REST API: Issue a _doing_it_wrong when registering a route without a permission callback.

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The REST API treats routes without a permission_callback as public. Because this happens without any warning to the user, if the permission callback is unintentionally omitted or misspelled, the endpoint can end up being available to the public. Such a scenario has happened multiple times in the wild, and the results can be catostrophic when it occurs.

For REST API routes that are intended to be public, it is recommended to set the permission callback to the `__return_true` built in function.

Fixes #50075.
Props rmccue, sorenbronsted, whyisjake, SergeyBiryukov, TimothyBlynJacobs.


git-svn-id: https://develop.svn.wordpress.org/trunk@48526 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Timothy Jacobs
2020-07-21 12:01:10 +00:00
parent fcc52436cb
commit 74cc64d74e
6 changed files with 199 additions and 88 deletions
Download Patch File Download Diff File Expand all files Collapse all files

147
tests/phpunit/tests/rest-api.php
View File

@@ -84,8 +84,9 @@ class Tests_REST_API extends WP_UnitTestCase {
'test-ns',
'/test',
array(
'methods' => array( 'GET' ),
'callback' => '__return_null',
'methods' => array( 'GET' ),
'callback' => '__return_null',
'permission_callback' => '__return_true',
)
);
@@ -120,12 +121,14 @@ class Tests_REST_API extends WP_UnitTestCase {
'/test',
array(
array(
'methods' => array( 'GET' ),
'callback' => '__return_null',
'methods' => array( 'GET' ),
'callback' => '__return_null',
'permission_callback' => '__return_true',
),
array(
'methods' => array( 'POST' ),
'callback' => '__return_null',
'methods' => array( 'POST' ),
'callback' => '__return_null',
'permission_callback' => '__return_true',
),
)
);
@@ -160,16 +163,18 @@ class Tests_REST_API extends WP_UnitTestCase {
'test-ns',
'/test',
array(
'methods' => array( 'GET' ),
'callback' => '__return_null',
'methods' => array( 'GET' ),
'callback' => '__return_null',
'permission_callback' => '__return_true',
)
);
register_rest_route(
'test-ns',
'/test',
array(
'methods' => array( 'POST' ),
'callback' => '__return_null',
'methods' => array( 'POST' ),
'callback' => '__return_null',
'permission_callback' => '__return_true',
)
);
@@ -187,18 +192,20 @@ class Tests_REST_API extends WP_UnitTestCase {
'test-ns',
'/test',
array(
'methods' => array( 'GET' ),
'callback' => '__return_null',
'should_exist' => false,
'methods' => array( 'GET' ),
'callback' => '__return_null',
'permission_callback' => '__return_true',
'should_exist' => false,
)
);
register_rest_route(
'test-ns',
'/test',
array(
'methods' => array( 'POST' ),
'callback' => '__return_null',
'should_exist' => true,
'methods' => array( 'POST' ),
'callback' => '__return_null',
'permission_callback' => '__return_true',
'should_exist' => true,
),
true
);
@@ -223,8 +230,9 @@ class Tests_REST_API extends WP_UnitTestCase {
'',
'/test-empty-namespace',
array(
'methods' => array( 'POST' ),
'callback' => '__return_null',
'methods' => array( 'POST' ),
'callback' => '__return_null',
'permission_callback' => '__return_true',
),
true
);
@@ -242,8 +250,9 @@ class Tests_REST_API extends WP_UnitTestCase {
'/test-empty-route',
'',
array(
'methods' => array( 'POST' ),
'callback' => '__return_null',
'methods' => array( 'POST' ),
'callback' => '__return_null',
'permission_callback' => '__return_true',
),
true
);
@@ -264,8 +273,9 @@ class Tests_REST_API extends WP_UnitTestCase {
'test-ns',
'/test',
array(
'methods' => array( 'GET' ),
'callback' => '__return_null',
'methods' => array( 'GET' ),
'callback' => '__return_null',
'permission_callback' => '__return_true',
)
);
@@ -282,8 +292,9 @@ class Tests_REST_API extends WP_UnitTestCase {
'test-ns',
'/test',
array(
'methods' => 'GET',
'callback' => '__return_null',
'methods' => 'GET',
'callback' => '__return_null',
'permission_callback' => '__return_true',
)
);
@@ -300,8 +311,9 @@ class Tests_REST_API extends WP_UnitTestCase {
'test-ns',
'/test',
array(
'methods' => array( 'GET', 'POST' ),
'callback' => '__return_null',
'methods' => array( 'GET', 'POST' ),
'callback' => '__return_null',
'permission_callback' => '__return_true',
)
);
@@ -324,8 +336,9 @@ class Tests_REST_API extends WP_UnitTestCase {
'test-ns',
'/test',
array(
'methods' => 'GET,POST',
'callback' => '__return_null',
'methods' => 'GET,POST',
'callback' => '__return_null',
'permission_callback' => '__return_true',
)
);
@@ -345,8 +358,9 @@ class Tests_REST_API extends WP_UnitTestCase {
'test-ns',
'/test',
array(
'methods' => 'GET,POST',
'callback' => '__return_null',
'methods' => 'GET,POST',
'callback' => '__return_null',
'permission_callback' => '__return_true',
)
);
@@ -367,8 +381,9 @@ class Tests_REST_API extends WP_UnitTestCase {
'test-ns',
'/test',
array(
'methods' => 'GET,POST',
'callback' => '__return_true',
'methods' => 'GET,POST',
'callback' => '__return_true',
'permission_callback' => '__return_true',
)
);
@@ -910,8 +925,9 @@ class Tests_REST_API extends WP_UnitTestCase {
'test-ns',
'/test',
array(
'methods' => array( 'GET' ),
'callback' => '__return_null',
'methods' => array( 'GET' ),
'callback' => '__return_null',
'permission_callback' => '__return_true',
)
);
@@ -996,7 +1012,8 @@ class Tests_REST_API extends WP_UnitTestCase {
'/my-namespace/v1/',
'/my-route',
array(
'callback' => '__return_true',
'callback' => '__return_true',
'permission_callback' => '__return_true',
)
);
@@ -1006,6 +1023,66 @@ class Tests_REST_API extends WP_UnitTestCase {
$this->assertTrue( rest_do_request( '/my-namespace/v1/my-route' )->get_data() );
}
/**
* @ticket 50075
*/
public function test_register_route_with_missing_permission_callback_top_level_route() {
$this->setExpectedIncorrectUsage( 'register_rest_route' );
$registered = register_rest_route(
'my-ns/v1',
'/my-route',
array(
'callback' => '__return_true',
)
);
$this->assertTrue( $registered );
}
/**
* @ticket 50075
*/
public function test_register_route_with_missing_permission_callback_single_wrapped_route() {
$this->setExpectedIncorrectUsage( 'register_rest_route' );
$registered = register_rest_route(
'my-ns/v1',
'/my-route',
array(
array(
'callback' => '__return_true',
),
)
);
$this->assertTrue( $registered );
}
/**
* @ticket 50075
*/
public function test_register_route_with_missing_permission_callback_multiple_wrapped_route() {
$this->setExpectedIncorrectUsage( 'register_rest_route' );
$registered = register_rest_route(
'my-ns/v1',
'/my-route',
array(
array(
'callback' => '__return_true',
),
array(
'callback' => '__return_true',
'permission_callback' => '__return_true',
),
)
);
$this->assertTrue( $registered );
}
public function _dp_rest_filter_response_by_context() {
return array(
'default' => array(