From fb1b7e104b6dc672572a4467ff4337c50139a36e Mon Sep 17 00:00:00 2001
From: Kevin Chabowski <kevin@kch42.de>
Date: Fri, 8 Jun 2012 22:28:49 +0200
Subject: Tag::test_name implemented.

---
 ratatoeskr/backend.php    |  2 +-
 ratatoeskr/sys/models.php | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/ratatoeskr/backend.php b/ratatoeskr/backend.php
index 8cc174d..f9d5f4d 100644
--- a/ratatoeskr/backend.php
+++ b/ratatoeskr/backend.php
@@ -434,7 +434,7 @@ $backend_subactions = url_action_subactions(array(
 				
 				if(!empty($_POST["newtagname"]))
 				{
-					if((strpos(@$_POST["new_tag_name"], ",") !== False) or (strpos(@$_POST["new_tag_name"], " ") !== False))
+					if(!Tag::test_name(@$_POST["newtagname"]))
 						$ste->vars["error"] = $translation["invalid_tag_name"];
 					else
 						$newtag = $_POST["newtagname"];
diff --git a/ratatoeskr/sys/models.php b/ratatoeskr/sys/models.php
index 95a500f..a20f726 100644
--- a/ratatoeskr/sys/models.php
+++ b/ratatoeskr/sys/models.php
@@ -1677,6 +1677,21 @@ class Tag extends BySQLRowEnabled
 	public $name;
 	public $title;
 	
+	/*
+	 * Function: test_name
+	 * Test, if a name is a valid tag name.
+	 * 
+	 * Parameters:
+	 * 	$name - Name to test.
+	 * 
+	 * Returns:
+	 * 	True, if the name is valid, False otherwise.
+	 */
+	public static function test_name($name)
+	{
+		return (strpos($name, ",") === False) and (strpos($name, " ") === False);
+	}
+	
 	/*
 	 * Function: get_id
 	 */
@@ -1701,6 +1716,9 @@ class Tag extends BySQLRowEnabled
 	 */
 	public static function create($name)
 	{
+		if(!self::test_name($name))
+			throw new InvalidDataError("invalid_tag_name");
+			
 		try
 		{
 			$obj = self::by_name($name);
@@ -1818,6 +1836,9 @@ WHERE `b`.`tag` = '%d'" , $this->id);
 	 */
 	public function save()
 	{
+		if(!self::test_name($name))
+			throw new InvalidDataError("invalid_tag_name");
+		
 		$result = qdb("SELECT COUNT(*) AS `n` FROM `PREFIX_tags` WHERE `name` = '%s' AND `id` != %d", $this->name, $this->id);
 		$sqlrow = mysql_fetch_assoc($result);
 		if($sqlrow["n"] > 0)
-- 
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