Added old sources; initial commit.

php-server/class.Util.php

@@ -0,0 +1,38 @@
+<?php
+class Util{
+	// this needs name for salt.
+	public static function calcSecureHash($name, $password){
+		// !!! When changing this, it must also be changed in the client piece!
+		return sha1( $name."S^1edT@R+ kN0w9e".md5( "troe(l01".$password."d*G -? df lo%iUq" )."myL!tT1e(P)0nNY" );
+	}
+
+	public static function uniqueString($len){
+		$scale = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+		$token = "";
+		for($i=0;$i<$len;$i++){
+			$token .= substr($scale, rand(0, strlen($scale)-1), 1);
+		}
+		return $token;
+	}
+
+	public static function remoteFileExists($url) {
+		$curl = curl_init($url);
+		curl_setopt($curl, CURLOPT_NOBODY, true);
+		$result = curl_exec($curl);
+		$ret = false;
+		if ($result !== false) {
+			$statusCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);  
+
+			if ($statusCode == 200) {
+				$ret = true;   
+			}
+		}
+		curl_close($curl);
+		return $ret;
+	}
+
+	public static function trimNullSafe($string){
+		if($string == null) return null;
+		return trim($string);
+	}
+}