diff options
| -rw-r--r-- | modules-available/dozmod/api.inc.php | 58 |
1 files changed, 53 insertions, 5 deletions
diff --git a/modules-available/dozmod/api.inc.php b/modules-available/dozmod/api.inc.php index 83b4981d..accfe813 100644 --- a/modules-available/dozmod/api.inc.php +++ b/modules-available/dozmod/api.inc.php @@ -99,18 +99,66 @@ function xmlToLectureIds($responseXML) return $uuids; } +function sendExamModeMismatch() +{ + Header('Content-Type: text/xml; charset=utf-8'); + echo + <<<BLA + <settings> + <eintrag> + <image_name param="null"/> + <priority param="100"/> + <creator param="Ernie Esslingen"/> + <short_description param="Klausurmodus geändert, bitte PC neustarten"/> + <long_description param="Der Klausurmodus wurde ein- oder ausgeschaltet, bitte starten Sie den PC neu"/> + <uuid param="exam-mode-warning"/> + <virtualmachine param="exam-mode-warning"/> + <os param="debian8"/> + <virtualizer_name param="null"/> + <os_name param="null"/> + <for_location param="0"/> + <is_template param="0"/> + </eintrag> + <eintrag> + <image_name param="null"/> + <priority param="200"/> + <creator param="Ernie Esslingen"/> + <short_description param="Exam mode changed, please reboot PC"/> + <long_description param="Exam mode has been activated or deactivated since this PC was booted; please reboot the PC"/> + <uuid param="exam-mode-warning"/> + <virtualmachine param="exam-mode-warning"/> + <os param="debian8"/> + <virtualizer_name param="null"/> + <os_name param="null"/> + <for_location param="0"/> + <is_template param="0"/> + </eintrag> + </settings> +BLA; + exit(0); +} + /** Caching wrapper around _getLecturesForLocations() */ function getListForLocations($locationIds, $raw) { /* if in any of the locations there is an exam active, consider the client to be in "exam-mode" and only offer him exams (no lectures) */ $key = 'lectures_' . cache_hash($locationIds); - $examMode = false; + $examMode = Request::get('exams', 'normal-mode', 'string') !== 'normal-mode'; + $clientServerMismatch = false; if (Module::isAvailable('exams')) { - $examMode = Exams::isInExamMode($locationIds); - if ($examMode) { - $key .= '_exams'; - } + // If we have the exam mode module, we can enforce a server side check and make sure it agrees with the client + $serverExamMode = Exams::isInExamMode($locationIds); + $clientServerMismatch = ($serverExamMode !== $examMode); + $examMode = $serverExamMode; + } + // Only enforce exam mode validity check if the client requests the raw xml data + if ($raw && $clientServerMismatch) { + sendExamModeMismatch(); // does not return + } + // Proceed normally from here on + if ($examMode) { + $key .= '_exams'; } $rawKey = $key . '_raw'; if ($raw) { |