moodle/lib/classes/external/moodlenet_send_course.php
Huong Nguyen 1dda6c86b8
MDL-79041 core: Better handling of the MoodleNet resource URL
- Switch use PARAM_TEXT instead of PARAM_URL for resource URL
 - Added noreferrer to the Go to MoodleNet drafts button, to avoid the risks associated with opening in
   _blank without removing access to the referrer and opener
2023-09-28 11:32:59 +07:00

245 lines
8.5 KiB
PHP

<?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/>.
namespace core\external;
use context_course;
use core\http_client;
use core\moodlenet\course_partial_sender;
use core\moodlenet\course_sender;
use core\moodlenet\moodlenet_client;
use core\moodlenet\share_recorder;
use core\moodlenet\utilities;
use core\oauth2\api;
use core_external\external_api;
use core_external\external_function_parameters;
use core_external\external_multiple_structure;
use core_external\external_single_structure;
use core_external\external_value;
use core_external\external_warnings;
use moodle_url;
/**
* The external API to send course to MoodleNet.
*
* @package core
* @copyright 2023 Safat Shahin <safat.shahin@gmail.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class moodlenet_send_course extends external_api {
/**
* Describes the parameters for sending the course.
*
* @return external_function_parameters
*/
public static function execute_parameters(): external_function_parameters {
return new external_function_parameters([
'issuerid' => new external_value(PARAM_INT, 'OAuth 2 issuer ID', VALUE_REQUIRED),
'courseid' => new external_value(PARAM_INT, 'Course ID', VALUE_REQUIRED),
'shareformat' => new external_value(PARAM_INT, 'Share format', VALUE_REQUIRED),
'cmids' => new external_multiple_structure(
new external_value(PARAM_INT, 'Course module id', VALUE_DEFAULT, null, NULL_ALLOWED),
'List for course module ids', VALUE_DEFAULT, []
),
]);
}
/**
* External function to send the course to MoodleNet.
*
* @param int $issuerid The MoodleNet OAuth 2 issuer ID
* @param int $courseid The course ID
* @param int $shareformat The share format being used, as defined by \core\moodlenet\course_sender
* @param array $cmids The course module ids
* @return array
*/
public static function execute(
int $issuerid,
int $courseid,
int $shareformat,
array $cmids = [],
): array {
global $CFG, $USER;
[
'issuerid' => $issuerid,
'courseid' => $courseid,
'shareformat' => $shareformat,
'cmids' => $cmids,
] = self::validate_parameters(self::execute_parameters(), [
'issuerid' => $issuerid,
'courseid' => $courseid,
'shareformat' => $shareformat,
'cmids' => $cmids,
]);
// Partial sharing check.
$ispartialsharing = count($cmids) > 0;
// Check capability.
$coursecontext = context_course::instance($courseid);
$usercanshare = utilities::can_user_share($coursecontext, $USER->id, 'course');
if (!$usercanshare) {
return self::return_errors(
$courseid,
'errorpermission',
get_string('nopermissions', 'error', get_string('moodlenet:sharetomoodlenet', 'moodle'))
);
}
// Check format.
if ($shareformat !== course_sender::SHARE_FORMAT_BACKUP) {
return self::return_errors(
$shareformat,
'errorinvalidformat',
get_string('invalidparameter', 'debug')
);
}
if ($ispartialsharing) {
// Check course modules in the course.
$modinfo = get_fast_modinfo($courseid);
$cms = $modinfo->get_cms();
foreach ($cmids as $cmid) {
if (!array_key_exists($cmid, $cms)) {
return self::return_errors(
$cmid,
'errorinvalidcmids',
get_string('invalidparameter', 'debug')
);
}
}
}
// Get the issuer.
$issuer = api::get_issuer($issuerid);
// Validate the issuer and check if it is enabled or not.
if (!utilities::is_valid_instance($issuer)) {
return self::return_errors(
$issuerid,
'errorissuernotenabled',
get_string('invalidparameter', 'debug')
);
}
// Get the OAuth Client.
if (!$oauthclient = api::get_user_oauth_client(
$issuer,
new moodle_url($CFG->wwwroot),
moodlenet_client::API_SCOPE_CREATE_RESOURCE
)) {
return self::return_errors(
$issuerid,
'erroroauthclient',
get_string('invalidparameter', 'debug')
);
}
// Check login state.
if (!$oauthclient->is_logged_in()) {
return self::return_errors(
$issuerid,
'erroroauthclient',
get_string('moodlenet:issuerisnotauthorized', 'moodle')
);
}
// Get the HTTP Client.
$client = new http_client();
// Share course.
try {
// Record course share progress.
$shareid = share_recorder::insert_share_progress(share_recorder::TYPE_COURSE, $USER->id, $courseid);
$moodlenetclient = new moodlenet_client($client, $oauthclient);
if ($ispartialsharing) {
$coursesender = new course_partial_sender($courseid, $USER->id, $moodlenetclient,
$oauthclient, $cmids, $shareformat);
} else {
$coursesender = new course_sender($courseid, $USER->id, $moodlenetclient, $oauthclient, $shareformat);
}
$result = $coursesender->share_resource();
if (empty($result['drafturl'])) {
share_recorder::update_share_progress($shareid, share_recorder::STATUS_ERROR);
return self::return_errors(
$result['responsecode'],
'errorsendingcourse',
get_string('moodlenet:cannotconnecttoserver', 'moodle')
);
}
} catch (\moodle_exception | \JsonException $e) {
share_recorder::update_share_progress($shareid, share_recorder::STATUS_ERROR);
return self::return_errors(
0,
'errorsendingcourse',
$e->getMessage()
);
}
share_recorder::update_share_progress($shareid, share_recorder::STATUS_SENT, $result['drafturl']);
return [
'status' => true,
'resourceurl' => $result['drafturl'],
'warnings' => [],
];
}
/**
* Describes the data returned from the external function.
*
* @return external_single_structure
*/
public static function execute_returns(): external_single_structure {
return new external_single_structure([
'status' => new external_value(PARAM_BOOL, 'Status: true if success'),
// We used PARAM_TEXT instead of PARAM_URL because the URL return from MoodleNet may contain some characters.
// It does not match with PARAM_URL, but the URL still works.
// Since we just show the response resource URL to the user for them to navigate to MoodleNet, it would be safe.
'resourceurl' => new external_value(PARAM_TEXT, 'Resource URL from MoodleNet'),
'warnings' => new external_warnings(),
]);
}
/**
* Handle return error.
*
* @param int $itemid Item id
* @param string $warningcode Warning code
* @param string $message Message
* @return array
*/
protected static function return_errors(int $itemid, string $warningcode, string $message): array {
$warnings[] = [
'item' => $itemid,
'warningcode' => $warningcode,
'message' => $message,
];
return [
'status' => false,
'resourceurl' => '',
'warnings' => $warnings,
];
}
}