4 files changed, 74 insertions, 35 deletions
diff --git a/phpBB/phpbb/request/deactivated_super_global.php b/phpBB/phpbb/request/deactivated_super_global.php
index b6cad59be4..ab56240b14 100644
--- a/phpBB/phpbb/request/deactivated_super_global.php
+++ b/phpBB/phpbb/request/deactivated_super_global.php
@@ -56,7 +56,7 @@ class deactivated_super_global implements \ArrayAccess, \Countable, \IteratorAgg
 		$file = '';
 		$line = 0;
 
-		$message = 'Illegal use of $' . $this->name . '. You must use the request class or request_var() to access input data. Found in %s on line %d. This error message was generated by deactivated_super_global.';
+		$message = 'Illegal use of $' . $this->name . '. You must use the request class to access input data. Found in %s on line %d. This error message was generated by deactivated_super_global.';
 
 		$backtrace = debug_backtrace();
 		if (isset($backtrace[1]))
diff --git a/phpBB/phpbb/request/request.php b/phpBB/phpbb/request/request.php
index 4cac6fbaea..92d4213180 100644
--- a/phpBB/phpbb/request/request.php
+++ b/phpBB/phpbb/request/request.php
@@ -225,6 +225,51 @@ class request implements \phpbb\request\request_interface
 	}
 
 	/**
+	 * {@inheritdoc}
+	 */
+	public function raw_variable($var_name, $default, $super_global = \phpbb\request\request_interface::REQUEST)
+	{
+		$path = false;
+
+		// deep direct access to multi dimensional arrays
+		if (is_array($var_name))
+		{
+			$path = $var_name;
+			// make sure at least the variable name is specified
+			if (empty($path))
+			{
+				return (is_array($default)) ? array() : $default;
+			}
+			// the variable name is the first element on the path
+			$var_name = array_shift($path);
+		}
+
+		if (!isset($this->input[$super_global][$var_name]))
+		{
+			return (is_array($default)) ? array() : $default;
+		}
+		$var = $this->input[$super_global][$var_name];
+
+		if ($path)
+		{
+			// walk through the array structure and find the element we are looking for
+			foreach ($path as $key)
+			{
+				if (is_array($var) && isset($var[$key]))
+				{
+					$var = $var[$key];
+				}
+				else
+				{
+					return (is_array($default)) ? array() : $default;
+				}
+			}
+		}
+
+		return $var;
+	}
+
+	/**
 	* Shortcut method to retrieve SERVER variables.
 	*
 	* Also fall back to getenv(), some CGI setups may need it (probably not, but
@@ -369,41 +414,14 @@ class request implements \phpbb\request\request_interface
 	*/
 	protected function _variable($var_name, $default, $multibyte = false, $super_global = \phpbb\request\request_interface::REQUEST, $trim = true)
 	{
-		$path = false;
-
-		// deep direct access to multi dimensional arrays
-		if (is_array($var_name))
-		{
-			$path = $var_name;
-			// make sure at least the variable name is specified
-			if (empty($path))
-			{
-				return (is_array($default)) ? array() : $default;
-			}
-			// the variable name is the first element on the path
-			$var_name = array_shift($path);
-		}
+		$var = $this->raw_variable($var_name, $default, $super_global);
 
-		if (!isset($this->input[$super_global][$var_name]))
+		// Return prematurely if raw variable is empty array or the same as
+		// the default. Using strict comparison to ensure that one can't
+		// prevent proper type checking on any input variable
+		if ($var === array() || $var === $default)
 		{
-			return (is_array($default)) ? array() : $default;
-		}
-		$var = $this->input[$super_global][$var_name];
-
-		if ($path)
-		{
-			// walk through the array structure and find the element we are looking for
-			foreach ($path as $key)
-			{
-				if (is_array($var) && isset($var[$key]))
-				{
-					$var = $var[$key];
-				}
-				else
-				{
-					return (is_array($default)) ? array() : $default;
-				}
-			}
+			return $var;
 		}
 
 		$this->type_cast_helper->recursive_set_var($var, $default, $multibyte, $trim);
diff --git a/phpBB/phpbb/request/request_interface.php b/phpBB/phpbb/request/request_interface.php
index 47b3b3a4ed..3bfa8bb424 100644
--- a/phpBB/phpbb/request/request_interface.php
+++ b/phpBB/phpbb/request/request_interface.php
@@ -65,6 +65,28 @@ interface request_interface
 	public function variable($var_name, $default, $multibyte = false, $super_global = \phpbb\request\request_interface::REQUEST);
 
 	/**
+	 * Get a variable without trimming strings and without escaping.
+	 * This method MUST NOT be used with queries.
+	 * Same functionality as variable(), except does not run trim() on strings
+	 * and does not escape input.
+	 * This method should only be used when the raw input is needed without
+	 * any escaping, i.e. for database password during the installation.
+	 *
+	 * @param	string|array	$var_name	The form variable's name from which data shall be retrieved.
+	 * 										If the value is an array this may be an array of indizes which will give
+	 * 										direct access to a value at any depth. E.g. if the value of "var" is array(1 => "a")
+	 * 										then specifying array("var", 1) as the name will return "a".
+	 * @param	mixed			$default	A default value that is returned if the variable was not set.
+	 * 										This function will always return a value of the same type as the default.
+	 * @param	\phpbb\request\request_interface::POST|GET|REQUEST|COOKIE	$super_global
+	 * 										Specifies which super global should be used
+	 *
+	 * @return	mixed	The value of $_REQUEST[$var_name] run through {@link set_var set_var} to ensure that the type is the
+	 *					the same as that of $default. If the variable is not set $default is returned.
+	 */
+	public function raw_variable($var_name, $default, $super_global = \phpbb\request\request_interface::REQUEST);
+
+	/**
 	* Shortcut method to retrieve SERVER variables.
 	*
 	* @param	string|array	$var_name		See \phpbb\request\request_interface::variable
diff --git a/phpBB/phpbb/request/type_cast_helper.php b/phpBB/phpbb/request/type_cast_helper.php
index bc654e6182..96e66950ca 100644
--- a/phpBB/phpbb/request/type_cast_helper.php
+++ b/phpBB/phpbb/request/type_cast_helper.php
@@ -172,7 +172,6 @@ class type_cast_helper implements \phpbb\request\type_cast_helper_interface
 			}
 
 			list($default_key, $default_value) = each($default);
-			$value_type = gettype($default_value);
 			$key_type = gettype($default_key);
 
 			$_var = $var;