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✏️ Editing: class.jetpack-json-api-plugins-new-endpoint.php

<?php

include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
include_once ABSPATH . 'wp-admin/includes/file.php';

// POST /sites/%s/plugins/new
new Jetpack_JSON_API_Plugins_New_Endpoint(
	array(
		'description'             => 'Install a plugin to a Jetpack site by uploading a zip file',
		'group'                   => '__do_not_document',
		'stat'                    => 'plugins:new',
		'min_version'             => '1',
		'max_version'             => '1.1',
		'method'                  => 'POST',
		'path'                    => '/sites/%s/plugins/new',
		'path_labels'             => array(
			'$site' => '(int|string) Site ID or domain',
		),
		'request_format'          => array(
			'zip' => '(zip) Plugin package zip file. multipart/form-data encoded. ',
		),
		'response_format'         => Jetpack_JSON_API_Plugins_Endpoint::$_response_format,
		'allow_jetpack_site_auth' => true,
		'example_request_data'    => array(
			'headers' => array(
				'authorization' => 'Bearer YOUR_API_TOKEN',
			),
		),
		'example_request'         => 'https://public-api.wordpress.com/rest/v1/sites/example.wordpress.org/plugins/new',
	)
);

new Jetpack_JSON_API_Plugins_New_Endpoint(
	array(
		'description'             => 'Install a plugin to a Jetpack site by uploading a zip file',
		'group'                   => '__do_not_document',
		'stat'                    => 'plugins:new',
		'min_version'             => '1.2',
		'method'                  => 'POST',
		'path'                    => '/sites/%s/plugins/new',
		'path_labels'             => array(
			'$site' => '(int|string) Site ID or domain',
		),
		'request_format'          => array(
			'zip' => '(zip) Plugin package zip file. multipart/form-data encoded. ',
		),
		'response_format'         => Jetpack_JSON_API_Plugins_Endpoint::$_response_format_v1_2,
		'allow_jetpack_site_auth' => true,
		'example_request_data'    => array(
			'headers' => array(
				'authorization' => 'Bearer YOUR_API_TOKEN',
			),
		),
		'example_request'         => 'https://public-api.wordpress.com/rest/v1.2/sites/example.wordpress.org/plugins/new',
	)
);

class Jetpack_JSON_API_Plugins_New_Endpoint extends Jetpack_JSON_API_Plugins_Endpoint {

// POST /sites/%s/plugins/new
	protected $needed_capabilities = 'install_plugins';
	protected $action = 'install';

protected function validate_call( $_blog_id, $capability, $check_manage_active = true ) {
		$validate = parent::validate_call( $_blog_id, $capability, $check_manage_active );
		if ( is_wp_error( $validate ) ) {

// Lets delete the attachment... if the user doesn't have the right permissions to do things.
			$args = $this->input();
			if ( isset( $args['zip'][0]['id'] ) ) {
				wp_delete_attachment( $args['zip'][0]['id'], true );
			}
		}

return $validate;
	}

// no need to try to validate the plugin since we didn't pass one in.
	protected function validate_input( $plugin ) {
		$this->bulk    = false;
		$this->plugins = array();
	}

function install() {
		$args = $this->input();

if ( isset( $args['zip'][0]['id'] ) ) {
			$plugin_attachment_id = $args['zip'][0]['id'];
			$local_file           = get_attached_file( $plugin_attachment_id );
			if ( ! $local_file ) {
				return new WP_Error( 'local-file-does-not-exist' );
			}
			jetpack_require_lib( 'class.jetpack-automatic-install-skin' );
			$skin     = new Jetpack_Automatic_Install_Skin();
			$upgrader = new Plugin_Upgrader( $skin );

$pre_install_plugin_list = get_plugins();
			$result                  = $upgrader->install( $local_file );

// clean up.
			wp_delete_attachment( $plugin_attachment_id, true );

if ( is_wp_error( $result ) ) {
				return $result;
			}

$after_install_plugin_list = get_plugins();
			$plugin                    = array_values( array_diff( array_keys( $after_install_plugin_list ), array_keys( $pre_install_plugin_list ) ) );

if ( ! $result ) {
				$error_code = $upgrader->skin->get_main_error_code();
				$message    = $upgrader->skin->get_main_error_message();
				if ( empty( $message ) ) {
					$message = __( 'An unknown error occurred during installation', 'jetpack' );
				}

if ( 'download_failed' === $error_code ) {
					$error_code = 'no_package';
				}

return new WP_Error( $error_code, $message, 400 );
			}

if ( empty( $plugin ) ) {
				return new WP_Error( 'plugin_already_installed' );
			}

$this->plugins         = $plugin;
			$this->log[ $plugin[0] ] = $upgrader->skin->get_upgrade_messages();

return true;
		}

return new WP_Error( 'no_plugin_installed' );
	}
}

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