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Omphaloskepsis/plugins/jetpack/json-endpoints/jetpack/class.jetpack-json-api-endpoint.php
2018-03-21 18:19:20 +00:00

115 lines
3.4 KiB
PHP

<?php
include 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 {
protected $needed_capabilities;
protected $expected_actions = array();
protected $action;
public function callback( $path = '', $blog_id = 0, $object = null ) {
if ( is_wp_error( $error = $this->validate_call( $blog_id, $this->needed_capabilities ) ) ) {
return $error;
}
if ( is_wp_error( $error = $this->validate_input( $object ) ) ) {
return $error;
}
if ( ! empty( $this->action ) ) {
if( is_wp_error( $error = call_user_func( array( $this, $this->action ) ) ) ) {
return $error;
}
}
return $this->result();
}
abstract protected function result();
protected function validate_input( $object ) {
$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 ) ) {
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.
* @return bool|WP_Error a WP_Error object or true if things are good.
*/
protected function validate_call( $_blog_id, $capability, $check_manage_active = 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;
}
if ( is_wp_error( $error = $this->check_capability( $capability ) ) ) {
return $error;
}
if ( $check_manage_active && 'GET' !== $this->method && ! Jetpack::is_module_active( 'manage' ) ) {
return new WP_Error( 'unauthorized_full_access', __( 'Full management mode is off for this site.', 'jetpack' ), 403 );
}
return true;
}
/**
* @param $capability
*
* @return bool|WP_Error
*/
protected function check_capability( $capability ) {
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 that must have conditions is less then
if ( $passed < $must_pass ) {
return new WP_Error( 'unauthorized', sprintf( __( 'This user is not authorized to %s on this blog.', 'jetpack' ), implode( ', ', $failed ), 403 ) );
}
} else {
if ( !current_user_can( $capability ) ) {
return new WP_Error( 'unauthorized', sprintf( __( 'This user is not authorized to %s on this blog.', 'jetpack' ), $capability ), 403 );
}
}
return true;
}
}