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Kurzenberger authored0e5e6553
<?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/>./** * This file contains the backend webservice contact functionality for the DTA plugin * * @package assignsubmission_dta * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later *//** * Backend webservice contact utility class * * @package assignsubmission_dta * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */namespace assignsubmission_dta;defined('MOODLE_INTERNAL') || die();class dta_backend_utils { /** * Component name for the plugin. */ const ASSIGNSUBMISSION_DTA_COMPONENT_NAME = 'assignsubmission_dta'; /** * Returns the base URL of the backend webservice as configured in the administration settings. * @return string Backend host base URL */ private static function assignsubmission_dta_get_backend_baseurl(): string { $backendaddress = get_config(self::ASSIGNSUBMISSION_DTA_COMPONENT_NAME, 'backendHost'); if (empty($backendaddress)) { \core\notification::error(get_string('backendHost_not_set', self::ASSIGNSUBMISSION_DTA_COMPONENT_NAME)); } return $backendaddress; } /** * Sends the configuration text file uploaded by the teacher to the backend. * * @param \assign $assignment Assignment this test-config belongs to * @param \stored_file $file Uploaded test-config * @return bool True if no error occurred */ public static function assignsubmission_dta_send_testconfig_to_backend($assignment, $file): bool { $backendaddress = self::assignsubmission_dta_get_backend_baseurl(); if (empty($backendaddress)) { return true; }
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// Set endpoint for test upload.
$url = $backendaddress . '/v1/unittest';
// Prepare params.
$params = [
'unitTestFile' => $file,
'assignmentId' => $assignment->get_instance()->id,
];
// If request returned null, return false to indicate failure.
if (is_null(self::dta_post($url, $params))) {
return false;
} else {
return true;
}
}
/**
* Sends submission config or archive to backend to be tested.
*
* @param \assign $assignment Assignment for the submission
* @param int $submissionid Submission ID of the current file
* @param \stored_file $file Submission config file or archive with submission
* @return string|null JSON string with test results or null on error
*/
public static function assignsubmission_dta_send_submission_to_backend($assignment, $submissionid, $file): ?string {
$backendaddress = self::assignsubmission_dta_get_backend_baseurl();
if (empty($backendaddress)) {
return null;
}
// Set endpoint for submission upload.
$url = $backendaddress . '/v1/task/' . $submissionid;
// Prepare params.
$params = [
'taskFile' => $file,
'assignmentId' => $assignment->get_instance()->id,
];
return self::assignsubmission_dta_post($url, $params);
}
/**
* Posts the given params to the given URL and returns the response as a string.
* @param string $url Full URL to request to
* @param array $params Parameters for HTTP request
*
* @return string|null Received body on success or null on error
*/
private static function assignsubmission_dta_post($url, $params): ?string {
if (!isset($url) || !isset($params)) {
return null;
}
$options = ['CURLOPT_RETURNTRANSFER' => true];
$curl = new \curl();
$response = $curl->post($url, $params, $options);
// Check state of request, if response code is a 2xx return the answer.
$info = $curl->get_info();
if ($info['http_code'] >= 200 && $info['http_code'] < 300) {
return $response;
}
// Something went wrong, return null and give an error message.
debugging(self::ASSIGNSUBMISSION_DTA_COMPONENT_NAME . ': Post file to server was not successful: http_code=' . $info['http_code']);
if ($info['http_code'] >= 400 && $info['http_code'] < 500) {
\core\notification::error(get_string('http_client_error_msg', self::ASSIGNSUBMISSION_DTA_COMPONENT_NAME));
return null;
} else if ($info['http_code'] >= 500 && $info['http_code'] < 600) {
\core\notification::error(get_string('http_server_error_msg', self::ASSIGNSUBMISSION_DTA_COMPONENT_NAME));
return null;
} else {
\core\notification::error(get_string('http_unknown_error_msg', self::ASSIGNSUBMISSION_DTA_COMPONENT_NAME) . $info['http_code'] . $response);
return null;
}
}
}