From f52d3a455cbea650e9be050eca1f0a7a52c6bc3a Mon Sep 17 00:00:00 2001
From: OliiverHacker <hacker@technikum-wien.at>
Date: Tue, 25 May 2021 16:35:41 +0200
Subject: [PATCH 1/2] add date validation

---
 content/student/studentDBDML.php | 10 ++++++++--
 include/datum.class.php          | 16 ++++++++++++++++
 2 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/content/student/studentDBDML.php b/content/student/studentDBDML.php
index becb31e88..5a32563c3 100644
--- a/content/student/studentDBDML.php
+++ b/content/student/studentDBDML.php
@@ -365,7 +365,6 @@ if(!$error)
 			$error = true;
 			$errormsg = 'Sie haben keine Schreibrechte fuer diesen Studiengang';
 		}
-
 		//Studentendaten speichern
 		if(!$error)
 		{
@@ -377,7 +376,14 @@ if(!$error)
 				$errormsg = 'Fehler beim Laden:'.$student->errormsg;
 				$error = true;
 			}
-
+			$datum = new datum();
+			$geb = $_POST['geburtsdatum'];
+			if(!$datum->verifyDate($geb))
+			{
+				$return = false;
+				$errormsg = 'Datum ist nicht korrekt: '.$geb;
+				$error = true;
+			}
 			if(!$error)
 			{
 				$student->uid = $_POST['uid'];
diff --git a/include/datum.class.php b/include/datum.class.php
index 9b7ebcc5e..e7aedd305 100644
--- a/include/datum.class.php
+++ b/include/datum.class.php
@@ -416,5 +416,21 @@ class datum
 		return intval(substr($timestring, 0, 2)) + intval(substr($timestring, 3, 2)) / 60;
 	}
 
+	/**
+	 * Prueft das Datum
+	 * @param $date = string
+	 * @return true wenn ok, sonst false
+	 */
+	static public function verifyDate($date, $strict = true)
+	{
+		$dateTime = DateTime::createFromFormat('Y-m-d', $date);
+		if ($strict) {
+			$errors = DateTime::getLastErrors();
+			if (!empty($errors['warning_count'])) {
+				return false;
+			}
+		}
+		return $dateTime !== false;
+	}
 }
 ?>

From 5aacf9f9b287cfb77dcf63ebadd33571f00b3579 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20=C3=96sterreicher?= <oesi@technikum-wien.at>
Date: Mon, 14 Jun 2021 13:13:03 +0200
Subject: [PATCH 2/2] =?UTF-8?q?Datumspr=C3=BCfung=20bei=20Geburtsdatum=20k?=
 =?UTF-8?q?orrigiert?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 content/student/studentDBDML.php |  7 ++++---
 include/datum.class.php          | 17 -----------------
 2 files changed, 4 insertions(+), 20 deletions(-)

diff --git a/content/student/studentDBDML.php b/content/student/studentDBDML.php
index 5a32563c3..79e330c7f 100644
--- a/content/student/studentDBDML.php
+++ b/content/student/studentDBDML.php
@@ -377,11 +377,12 @@ if(!$error)
 				$error = true;
 			}
 			$datum = new datum();
-			$geb = $_POST['geburtsdatum'];
-			if(!$datum->verifyDate($geb))
+
+			$gebdatum = $_POST['geburtsdatum'];
+			if($gebdatum!='' && !$datum->checkDatum($gebdatum))
 			{
 				$return = false;
-				$errormsg = 'Datum ist nicht korrekt: '.$geb;
+				$errormsg = 'Geburtsdatum ist nicht korrekt.';
 				$error = true;
 			}
 			if(!$error)
diff --git a/include/datum.class.php b/include/datum.class.php
index e7aedd305..f09066009 100644
--- a/include/datum.class.php
+++ b/include/datum.class.php
@@ -415,22 +415,5 @@ class datum
 	{
 		return intval(substr($timestring, 0, 2)) + intval(substr($timestring, 3, 2)) / 60;
 	}
-
-	/**
-	 * Prueft das Datum
-	 * @param $date = string
-	 * @return true wenn ok, sonst false
-	 */
-	static public function verifyDate($date, $strict = true)
-	{
-		$dateTime = DateTime::createFromFormat('Y-m-d', $date);
-		if ($strict) {
-			$errors = DateTime::getLastErrors();
-			if (!empty($errors['warning_count'])) {
-				return false;
-			}
-		}
-		return $dateTime !== false;
-	}
 }
 ?>