Initial commit

2013-07-20 17:41:56 -05:00
commit 3b1e713fc4
606 changed files with 136001 additions and 0 deletions
--- a/pluf/src/Pluf/Crypt.php
+++ b/pluf/src/Pluf/Crypt.php
@@ -0,0 +1,111 @@
+<?php
+/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+# ***** BEGIN LICENSE BLOCK *****
+# This file is part of Plume Framework, a simple PHP Application Framework.
+# Copyright (C) 2001-2007 Loic d'Anterroches and contributors.
+#
+# Plume Framework is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation; either version 2.1 of the License, or
+# (at your option) any later version.
+#
+# Plume Framework is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#
+# ***** END LICENSE BLOCK ***** */
+
+/**
+ * Simple encryption class.
+ *
+ * Very simple encryption class to perform simple encryption. It can
+ * be used for example when you request a valid email address to
+ * register. The validation link can contain the encrypted email.
+ *
+ * DO NOT EVER USE IT FOR REALLY IMPORTANT DATA!!!
+ *
+ * Credit Anonymous on http://www.php.net/mcrypt
+ */
+class Pluf_Crypt
+{
+    public $key = '';
+
+    /**
+     * Construct the encryption object.
+     *
+     * @param string The encryption key ('')
+     */ 
+    function __construct($key='')
+    {
+        $this->key = $key;
+    }
+
+    /**
+     * Encrypt a string with a key.
+     *
+     * If the key is not given, $this->key is used. If $this->key is
+     * empty an exception is raised.
+     *
+     * @param string String to encode
+     * @param string Encryption key ('')
+     * @return string Encoded string
+     */
+    function encrypt($string, $key='')
+    { 
+        if ($key == '') {
+            $key = $this->key;
+        }
+        if ($key == '') {
+            throw new Exception('No encryption key provided.');
+        }
+        $result = ''; 
+        $strlen = strlen($string);
+        $keylen = strlen($key);
+        for($i=0; $i<$strlen; $i++) { 
+            $char = substr($string, $i, 1); 
+            $keychar = substr($key, ($i % $keylen)-1, 1); 
+            $char = chr(ord($char)+ord($keychar));
+            $result.=$char; 
+        }
+        $result = base64_encode($result);
+        return str_replace(array('+','/','='), array('-','_','~'), $result);
+    }
+
+    /**
+     * Decrypt a string with a key.
+     *
+     * If the key is not given, $this->key is used. If $this->key is
+     * empty an exception is raised.
+     *
+     * @param string String to decode
+     * @param string Encryption key ('')
+     * @return string Decoded string
+     */
+    function decrypt($string, $key='') 
+    {
+        if ($key == '') {
+            $key = $this->key;
+        }
+        if ($key == '') {
+            throw new Exception('No encryption key provided.');
+        }
+        $result = '';
+        $string = str_replace(array('-','_','~'), array('+','/','='), $string);
+        $string = base64_decode($string);
+        $strlen = strlen($string);
+        $keylen = strlen($key);
+        for($i=0; $i<$strlen; $i++) { 
+            $char = substr($string, $i, 1);
+            $keychar = substr($key, ($i % $keylen)-1, 1);
+            $char = chr(ord($char)-ord($keychar));
+            $result.=$char;
+        }
+        return $result;
+    }
+}