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REST API: Support a broader range of JSON media types. 

Previously, we only supported `application/json` which prevented using subtypes like `application/activity+json`. This allows for the REST API to `json_decode` the body of requests using a JSON subtype `Content-Type`. Additionally, `wp_die()` now properly sends the error as JSON when a JSON subtype is specified in the `Accept` header.

Props pfefferle.
Fixes #49404.

Built from https://develop.svn.wordpress.org/trunk@49329


git-svn-id: http://core.svn.wordpress.org/trunk@49090 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
TimothyBlynJacobs 2020-10-27 16:44:06 +00:00
parent 72cff29cb6
commit 5df8bf60aa
3 changed files with 36 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
wp-includes/load.php
View File

@ -1595,11 +1595,11 @@ function wp_finalize_scraping_edited_file_errors( $scrape_key ) {
*/
function wp_is_json_request() {
if ( isset( $_SERVER['HTTP_ACCEPT'] ) && false !== strpos( $_SERVER['HTTP_ACCEPT'], 'application/json' ) ) {
if ( isset( $_SERVER['HTTP_ACCEPT'] ) && wp_is_json_media_type( $_SERVER['HTTP_ACCEPT'] ) ) {
return true;
}
if ( isset( $_SERVER['CONTENT_TYPE'] ) && 'application/json' === $_SERVER['CONTENT_TYPE'] ) {
if ( isset( $_SERVER['CONTENT_TYPE'] ) && wp_is_json_media_type( $_SERVER['CONTENT_TYPE'] ) ) {
return true;
}
@ -1635,6 +1635,24 @@ function wp_is_jsonp_request() {
}
/**
* Checks whether a string is a valid JSON Media Type.
*
* @since 5.6.0
*
* @param string $media_type A Media Type string to check.
* @return bool True if string is a valid JSON Media Type.
*/
function wp_is_json_media_type( $media_type ) {
static $cache = array();
if ( ! isset( $cache[ $media_type ] ) ) {
$cache[ $media_type ] = (bool) preg_match( '/(^|\s|,)application\/([\w!#\$&-\^\.\+]+\+)?json(\+oembed)?($|\s|;|,)/i', $media_type );
}
return $cache[ $media_type ];
}
/**
* Checks whether current request is an XML request, or is expecting an XML response.
*

20
wp-includes/rest-api/class-wp-rest-request.php
View File

@ -323,6 +323,19 @@ class WP_REST_Request implements ArrayAccess {
return $data;
}
/**
* Checks if the request has specified a JSON content-type.
*
* @since 5.6.0
*
* @return bool True if the content-type header is JSON.
*/
public function is_json_content_type() {
$content_type = $this->get_content_type();
return isset( $content_type['value'] ) && wp_is_json_media_type( $content_type['value'] );
}
/**
* Retrieves the parameter priority order.
*
@ -335,8 +348,7 @@ class WP_REST_Request implements ArrayAccess {
protected function get_parameter_order() {
$order = array();
$content_type = $this->get_content_type();
if ( isset( $content_type['value'] ) && 'application/json' === $content_type['value'] ) {
if ( $this->is_json_content_type() ) {
$order[] = 'JSON';
}
@ -658,9 +670,7 @@ class WP_REST_Request implements ArrayAccess {
$this->parsed_json = true;
// Check that we actually got JSON.
$content_type = $this->get_content_type();
if ( empty( $content_type ) || 'application/json' !== $content_type['value'] ) {
if ( ! $this->is_json_content_type() ) {
return true;
}

2
wp-includes/version.php
View File

@ -13,7 +13,7 @@
*
* @global string $wp_version
*/
$wp_version = '5.6-beta1-49328';
$wp_version = '5.6-beta1-49329';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.