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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Box.net client.
*
* @package core
* @author James Levy <james@box.net>
* @link http://enabled.box.net
* @access public
* @version 1.0
* @copyright copyright Box.net 2007
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once($CFG->libdir . '/oauthlib.php');
/**
* Box.net client class.
*
* @package core
* @copyright 2013 Frédéric Massart
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class boxnet_client extends oauth2_client {
/** @const API URL */
const API = 'https://api.box.com/2.0';
/** @const UPLOAD_API URL */
const UPLOAD_API = 'https://upload.box.com/api/2.0';
/**
* Return authorize URL.
*
* @return string
*/
protected function auth_url() {
return 'https://www.box.com/api/oauth2/authorize';
}
/**
* Create a folder.
*
* @param string $foldername The folder name.
* @param int $parentid The ID of the parent folder.
* @return array Information about the new folder.
*/
public function create_folder($foldername, $parentid = 0) {
$params = array('name' => $foldername, 'parent' => array('id' => (string) $parentid));
$this->reset_state();
$result = $this->post($this->make_url("/folders"), json_encode($params));
$result = json_decode($result);
return $result;
}
/**
* Download the file.
*
* @param int $fileid File ID.
* @param string $path Path to download the file to.
* @return bool Success or not.
*/
public function download_file($fileid, $path) {
$this->reset_state();
$result = $this->download_one($this->make_url("/files/$fileid/content"), array(),
array('filepath' => $path, 'CURLOPT_FOLLOWLOCATION' => true));
return ($result === true && $this->info['http_code'] === 200);
}
/**
* Get info of a file.
*
* @param int $fileid File ID.
* @return object
*/
public function get_file_info($fileid) {
$this->reset_state();
$result = $this->request($this->make_url("/files/$fileid"));
return json_decode($result);
}
/**
* Get a folder content.
*
* @param int $folderid Folder ID.
* @return object
*/
public function get_folder_items($folderid = 0) {
$this->reset_state();
$result = $this->request($this->make_url("/folders/$folderid/items",
array('fields' => 'id,name,type,modified_at,size,owned_by')));
return json_decode($result);
}
/**
* Log out.
*
* @return void
*/
public function log_out() {
if ($accesstoken = $this->get_accesstoken()) {
$params = array(
'client_id' => $this->get_clientid(),
'client_secret' => $this->get_clientsecret(),
'token' => $accesstoken->token
);
$this->reset_state();
$this->post($this->revoke_url(), $params);
}
parent::log_out();
}
/**
* Build a request URL.
*
* @param string $uri The URI to request.
* @param array $params Query string parameters.
* @param bool $uploadapi Whether this works with the upload API or not.
* @return string
*/
protected function make_url($uri, $params = array(), $uploadapi = false) {
$api = $uploadapi ? self::UPLOAD_API : self::API;
$url = new moodle_url($api . '/' . ltrim($uri, '/'), $params);
return $url->out(false);
}
/**
* Rename a file.
*
* @param int $fileid The file ID.
* @param string $newname The new file name.
* @return object Box.net file object.
*/
public function rename_file($fileid, $newname) {
// This requires a PUT request with data within it. We cannot use
// the standard PUT request 'CURLOPT_PUT' because it expects a file.
$data = array('name' => $newname);
$options = array(
'CURLOPT_CUSTOMREQUEST' => 'PUT',
'CURLOPT_POSTFIELDS' => json_encode($data)
);
$url = $this->make_url("/files/$fileid");
$this->reset_state();
$result = $this->request($url, $options);
$result = json_decode($result);
return $result;
}
/**
* Resets curl for multiple requests.
*
* @return void
*/
public function reset_state() {
$this->cleanopt();
$this->resetHeader();
}
/**
* Return the revoke URL.
*
* @return string
*/
protected function revoke_url() {
return 'https://www.box.com/api/oauth2/revoke';
}
/**
* Share a file and return the link to it.
*
* @param string $fileid The file ID.
* @param bool $businesscheck Whether or not to check if the user can share files, has a business account.
* @return object
*/
public function share_file($fileid, $businesscheck = true) {
// Sharing the file, this requires a PUT request with data within it. We cannot use
// the standard PUT request 'CURLOPT_PUT' because it expects a file.
$data = array('shared_link' => array('access' => 'open', 'permissions' =>
array('can_download' => true, 'can_preview' => true)));
$options = array(
'CURLOPT_CUSTOMREQUEST' => 'PUT',
'CURLOPT_POSTFIELDS' => json_encode($data)
);
$this->reset_state();
$result = $this->request($this->make_url("/files/$fileid"), $options);
$result = json_decode($result);
if ($businesscheck) {
// Checks that the user has the right to share the file. If not, throw an exception.
$this->reset_state();
$this->head($result->shared_link->download_url);
$info = $this->get_info();
if ($info['http_code'] == 403) {
throw new moodle_exception('No permission to share the file');
}
}
return $result->shared_link;
}
/**
* Search.
*
* @return object
*/
public function search($query) {
$this->reset_state();
$result = $this->request($this->make_url('/search', array('query' => $query, 'limit' => 50, 'offset' => 0)));
return json_decode($result);
}
/**
* Return token URL.
*
* @return string
*/
protected function token_url() {
return 'https://www.box.com/api/oauth2/token';
}
/**
* Upload a file.
*
* Please note that the file is named on Box.net using the path we are providing, and so
* the file has the name of the stored_file hash.
*
* @param stored_file $storedfile A stored_file.
* @param integer $parentid The ID of the parent folder.
* @return object Box.net file object.
*/
public function upload_file(stored_file $storedfile, $parentid = 0) {
$url = $this->make_url('/files/content', array(), true);
$options = array(
'filename' => $storedfile,
'parent_id' => $parentid
);
$this->reset_state();
$result = $this->post($url, $options);
$result = json_decode($result);
return $result;
}
}
/**
* @deprecated since 2.6, 2.5.3, 2.4.7
*/
class boxclient {
public function __construct() {
throw new coding_exception(__CLASS__ . ' has been removed. Please update your code to use boxnet_client.',
DEBUG_DEVELOPER);
}
}