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<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
require JETPACK__PLUGIN_DIR . '/modules/module-info.php';
/**
* Base class for Jetpack Endpoints, has the validate_call helper function.
*/
abstract class Jetpack_JSON_API_Endpoint extends WPCOM_JSON_API_Endpoint {
/**
* Needed capabilities.
*
* @var string
*/
protected $needed_capabilities;
/**
* Expected actions.
*
* @var array
*/
protected $expected_actions = array();
/**
* The action.
*
* @var string
*/
protected $action;
/**
* Callback function.
*
* @param string $path - the path.
* @param int $blog_id - the blog ID.
* @param object $object - parameter is for making the method signature compatible with its parent class method.
*/
public function callback( $path = '', $blog_id = 0, $object = null ) {
$error = $this->validate_call( $blog_id, $this->needed_capabilities );
if ( is_wp_error( $error ) ) {
return $error;
}
$error = $this->validate_input( $object );
if ( is_wp_error( $error ) ) {
return $error;
}
if ( ! empty( $this->action ) ) {
$error = call_user_func( array( $this, $this->action ) );
if ( is_wp_error( $error ) ) {
return $error;
}
}
return $this->result();
}
/**
* The result function.
*/
abstract protected function result();
/**
* Validate input.
*
* @param object $object - unused, for parent class compatability.
*
* @return bool
*/
protected function validate_input( $object ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
$args = $this->input();
if ( isset( $args['action'] ) && $args['action'] === 'update' ) {
$this->action = 'update';
}
if ( preg_match( '!/update/?$!', $this->path ) ) {
$this->action = 'update';
} elseif ( preg_match( '/\/install\/?$/', $this->path ) ) {
$this->action = 'install';
} elseif ( ! empty( $args['action'] ) ) {
if ( ! in_array( $args['action'], $this->expected_actions, true ) ) {
return new WP_Error( 'invalid_action', __( 'You must specify a valid action', 'jetpack' ) );
}
$this->action = $args['action'];
}
return true;
}
/**
* Switches to the blog and checks current user capabilities.
*
* @param int $_blog_id - the blog ID.
* @param array $capability - the capabilities of the user.
* @param bool $check_validation - if we're checking the validation.
*
* @return bool|WP_Error a WP_Error object or true if things are good.
*/
protected function validate_call( $_blog_id, $capability, $check_validation = true ) {
$blog_id = $this->api->switch_to_blog_and_validate_user( $this->api->get_blog_id( $_blog_id ) );
if ( is_wp_error( $blog_id ) ) {
return $blog_id;
}
$error = $this->check_capability( $capability );
if ( is_wp_error( $error ) ) {
return $error;
}
if (
$check_validation &&
'GET' !== $this->method &&
/**
* Filter to disallow JSON API requests to the site.
* Setting to false disallows you to manage your site remotely from WordPress.com
* and disallows plugin auto-updates.
*
* @since 7.3.0
*
* @param bool $check_validation Whether to allow API requests to manage the site
*/
! apply_filters( 'jetpack_json_manage_api_enabled', $check_validation )
) {
return new WP_Error( 'unauthorized_full_access', __( 'Full management mode is off for this site.', 'jetpack' ), 403 );
}
return true;
}
/**
* Check capability.
*
* @param array $capability - the compatability.
*
* @return bool|WP_Error
*/
protected function check_capability( $capability ) {
// If this endpoint accepts site based authentication, skip capabilities check.
if ( $this->accepts_site_based_authentication() ) {
return true;
}
if ( is_array( $capability ) ) {
// the idea is that the we can pass in an array of capabilitie that the user needs to have before we allowing them to do something
$capabilities = ( isset( $capability['capabilities'] ) ? $capability['capabilities'] : $capability );
// We can pass in the number of conditions we must pass by default it is all.
$must_pass = ( isset( $capability['must_pass'] ) && is_int( $capability['must_pass'] ) ? $capability['must_pass'] : count( $capabilities ) );
$failed = array(); // store the failed capabilities
$passed = 0;
foreach ( $capabilities as $cap ) {
if ( current_user_can( $cap ) ) {
$passed ++;
} else {
$failed[] = $cap;
}
}
// Check if all conditions have passed.
if ( $passed < $must_pass ) {
return new WP_Error(
'unauthorized',
/* translators: %s: comma-separated list of capabilities */
sprintf( __( 'This user is not authorized to %s on this blog.', 'jetpack' ), implode( ', ', $failed ) ),
403
);
}
} else {
if ( ! current_user_can( $capability ) ) {
// Translators: the capability that the user is not authorized for.
return new WP_Error( 'unauthorized', sprintf( __( 'This user is not authorized to %s on this blog.', 'jetpack' ), $capability ), 403 );
}
}
return true;
}
}