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Kurzenberger authored11a53f75
<?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 * @copyright Gero Lueckemeyer and student project teams *//** * backend webservice contact utility class * * @package assignsubmission_dta * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later * @copyright Gero Lueckemeyer and student project teams */class DtaBackendUtils { /** * Returns the base url of the backend webservice as configured in the administration settings. * @return string backend host base url */ private static function getbackendbaseurl(): string { $backendaddress = get_config(assign_submission_dta::COMPONENT_NAME, "backendHost"); if (empty($backendaddress)) { \core\notification::error(get_string("backendHost_not_set", assign_submission_dta::COMPONENT_NAME)); } return $backendaddress; } /** * Sends the configuration textfile uploaded by prof to the backend. * * @param stdClass $assignment assignment this test-config belongs to * @param stdClass $file uploaded test-config * @return bool true if no error occurred */ public static function sendtestconfigtobackend($assignment, $file): bool { $backendaddress = self::getbackendbaseurl(); if (empty($backendaddress)) { return true; } // Set endpoint for test upload. $url = $backendaddress . "/v1/unittest"; // Prepare params. $params = [ "unitTestFile" => $file, "assignmentId" => $assignment->get_instance()->id, ]; // If request returned null, return false to indicate failure.
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if (is_null(self::post($url, $params))) {
return false;
} else {
return true;
}
}
/**
* Sends submission config or archive to backend to be tested.
*
* @param stdClass $assignment assignment for the submission
* @param int $submissionid submissionid of the current file
* @param stdClass $file submission config file or archive with submission
* @return string json string with testresults or null on error
*/
public static function sendsubmissiontobackend($assignment, $submissionid, $file): ?string {
$backendaddress = self::getbackendbaseurl();
if (empty($backendaddress)) {
return true;
}
// Set endpoint for test upload.
$url = $backendaddress . "/v1/task/" . $submissionid;
// Prepare params.
$params = [
"taskFile" => $file,
"assignmentId" => $assignment->get_instance()->id,
];
return self::post($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 $params parameters for http-request
*
* @return string received body on success or null on error
*/
private static function post($url, $params): ?string {
if (!isset($url) || !isset($params)) {
return false;
}
$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(assign_submission_dta::COMPONENT_NAME . ": Post file to server was not successful: http_code=" .
$info["http_code"]);
if ($info['http_code'] >= 400 && $info['http_code'] < 500) {
\core\notification::error(get_string("http_client_error_msg", assign_submission_dta::COMPONENT_NAME));
return null;
} else if ($info['http_code'] >= 500 && $info['http_code'] < 600) {
\core\notification::error(get_string("http_server_error_msg", assign_submission_dta::COMPONENT_NAME));
return null;
} else {
\core\notification::error(get_string("http_unknown_error_msg", assign_submission_dta::COMPONENT_NAME) .
$info["http_code"] . $response);
return null;