From fb70f26ed91dbd191351026d917afcef9d8d2eb1 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@madoka.volgo-balt.ru>
Date: Mon, 3 Sep 2012 18:33:46 +0400
Subject: implement one time passwords using TOTP

---
 lib/phpqrcode/index.php | 94 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 lib/phpqrcode/index.php

(limited to 'lib/phpqrcode/index.php')

diff --git a/lib/phpqrcode/index.php b/lib/phpqrcode/index.php
new file mode 100644
index 000000000..9e14b7eaa
--- /dev/null
+++ b/lib/phpqrcode/index.php
@@ -0,0 +1,94 @@
+<?php    
+/*
+ * PHP QR Code encoder
+ *
+ * Exemplatory usage
+ *
+ * PHP QR Code is distributed under LGPL 3
+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
+ *
+ * This library 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 3 of the License, or any later version.
+ *
+ * This library 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 library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+    
+    echo "<h1>PHP QR Code</h1><hr/>";
+    
+    //set it to writable location, a place for temp generated PNG files
+    $PNG_TEMP_DIR = dirname(__FILE__).DIRECTORY_SEPARATOR.'temp'.DIRECTORY_SEPARATOR;
+    
+    //html PNG location prefix
+    $PNG_WEB_DIR = 'temp/';
+
+    include "qrlib.php";    
+    
+    //ofcourse we need rights to create temp dir
+    if (!file_exists($PNG_TEMP_DIR))
+        mkdir($PNG_TEMP_DIR);
+    
+    
+    $filename = $PNG_TEMP_DIR.'test.png';
+    
+    //processing form input
+    //remember to sanitize user input in real-life solution !!!
+    $errorCorrectionLevel = 'L';
+    if (isset($_REQUEST['level']) && in_array($_REQUEST['level'], array('L','M','Q','H')))
+        $errorCorrectionLevel = $_REQUEST['level'];    
+
+    $matrixPointSize = 4;
+    if (isset($_REQUEST['size']))
+        $matrixPointSize = min(max((int)$_REQUEST['size'], 1), 10);
+
+
+    if (isset($_REQUEST['data'])) { 
+    
+        //it's very important!
+        if (trim($_REQUEST['data']) == '')
+            die('data cannot be empty! <a href="?">back</a>');
+            
+        // user data
+        $filename = $PNG_TEMP_DIR.'test'.md5($_REQUEST['data'].'|'.$errorCorrectionLevel.'|'.$matrixPointSize).'.png';
+        QRcode::png($_REQUEST['data'], $filename, $errorCorrectionLevel, $matrixPointSize, 2);    
+        
+    } else {    
+    
+        //default data
+        echo 'You can provide data in GET parameter: <a href="?data=like_that">like that</a><hr/>';    
+        QRcode::png('PHP QR Code :)', $filename, $errorCorrectionLevel, $matrixPointSize, 2);    
+        
+    }    
+        
+    //display generated file
+    echo '<img src="'.$PNG_WEB_DIR.basename($filename).'" /><hr/>';  
+    
+    //config form
+    echo '<form action="index.php" method="post">
+        Data:&nbsp;<input name="data" value="'.(isset($_REQUEST['data'])?htmlspecialchars($_REQUEST['data']):'PHP QR Code :)').'" />&nbsp;
+        ECC:&nbsp;<select name="level">
+            <option value="L"'.(($errorCorrectionLevel=='L')?' selected':'').'>L - smallest</option>
+            <option value="M"'.(($errorCorrectionLevel=='M')?' selected':'').'>M</option>
+            <option value="Q"'.(($errorCorrectionLevel=='Q')?' selected':'').'>Q</option>
+            <option value="H"'.(($errorCorrectionLevel=='H')?' selected':'').'>H - best</option>
+        </select>&nbsp;
+        Size:&nbsp;<select name="size">';
+        
+    for($i=1;$i<=10;$i++)
+        echo '<option value="'.$i.'"'.(($matrixPointSize==$i)?' selected':'').'>'.$i.'</option>';
+        
+    echo '</select>&nbsp;
+        <input type="submit" value="GENERATE"></form><hr/>';
+        
+    // benchmark
+    QRtools::timeBenchmark();    
+
+    
\ No newline at end of file
-- 
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