1 files changed, 39 insertions, 0 deletions
diff --git a/public/system/helper/general.php b/public/system/helper/general.php
new file mode 100644
index 0000000..1542810
--- /dev/null
+++ b/public/system/helper/general.php
@@ -0,0 +1,39 @@
+<?php
+function token($length = 32) {
+	// Create random token
+	$string = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
+	
+	$max = strlen($string) - 1;
+	
+	$token = '';
+	
+	for ($i = 0; $i < $length; $i++) {
+		$token .= $string[mt_rand(0, $max)];
+	}	
+	
+	return $token;
+}
+
+/**
+ * Backwards support for timing safe hash string comparisons
+ * 
+ * http://php.net/manual/en/function.hash-equals.php
+ */
+
+if(!function_exists('hash_equals')) {
+	function hash_equals($known_string, $user_string) {
+		$known_string = (string)$known_string;
+		$user_string = (string)$user_string;
+
+		if(strlen($known_string) != strlen($user_string)) {
+			return false;
+		} else {
+			$res = $known_string ^ $user_string;
+			$ret = 0;
+
+			for($i = strlen($res) - 1; $i >= 0; $i--) $ret |= ord($res[$i]);
+
+			return !$ret;
+		}
+	}
+}
+\ No newline at end of file