www-apps/pmwiki/cookbook/AesCrypt/aescrypt.php

   1 <?php if (!defined('PmWiki')) exit();
   2
   3 /*
   4     AesCrypt
   5
   6     Copyright 2011 Anomen (ludek_h@seznam.cz)
   7     This program is free software; you can redistribute it and/or modify
   8     it under the terms of the GNU General Public License as published
   9     by the Free Software Foundation; either version 2 of the License, or
  10     (at your option) any later version.
  11 */
  12
  13 $RecipeInfo['AesCrypt']['Version'] = '2012-04-23';
  14
  15 SDV($AesCryptKDF, 'sha256_dup');
  16 SDV($AesCryptCipherToken, '(:aes ');
  17 SDV($AesCryptEndToken, ':)');
  18 SDV($AesCryptPadding, 6);
  19
  20 SDV($HTMLStylesFmt['aescrypt'], "
  21 #aescrypt_m {
  22         position: absolute;
  23         z-index: 200;
  24         top: 0px;
  25         left: 0px;
  26         width: 100%;
  27         height: 100%;
  28         opacity: .4;
  29         filter: alpha(opacity=40);
  30         /* this hack is so it works in IE
  31          * I find setting the color in the css gives me more flexibility
  32          * than the PNG solution.
  33          */
  34         background-color:transparent !important;
  35         background-color: #333333;
  36         /* this hack is for opera support
  37          * you can uncomment the background-image if you don't care about opera.
  38          * this gives you the flexibility to use any bg color that you want, instead of the png
  39          */
  40         background-image/**/: url('$PubDirUrl/aescrypt/maskbg.png') !important; // For browsers Moz, Opera, etc.
  41         background-image:none;
  42         background-color:#cccccc;
  43         background-repeat: repeat;
  44         /*display:none; */
  45         visibility: hidden;
  46 }
  47
  48 .aescrypt_overlay {
  49      visibility: hidden;
  50      position: absolute;
  51      left: 0px;
  52      top: 0px;
  53      width:100%;
  54      height:100%;
  55      text-align:center;
  56      z-index: 1000;
  57 }
  58
  59 .aescrypt_overlay div {
  60      width:300px;
  61      margin: 100px auto;
  62      background-color: #ffffff;
  63      border:1px solid #000000;
  64      padding:15px;
  65      text-align:center;
  66 }
  67
  68 #aescrypt_i {
  69     float:right;
  70 }
  71
  72 ");
  73
  74
  75 $HTMLHeaderFmt['aescrypt_common'] = "
  76 <script type=\"text/javascript\" src=\"\$PubDirUrl/aescrypt/aescrypt.js\"></script>
  77 <script type=\"text/javascript\" src=\"\$PubDirUrl/aescrypt/main.js\"></script>
  78 <script type=\"text/javascript\">
  79 // <![CDATA[
  80
  81 /**
  82  * Key derivation function selected by AesCryptKDF variable.
  83  */
  84 AesCtr.kdf = function(password, nBits, nonce) {
  85     return AesCtr.kdf_$AesCryptKDF (password, nBits, nonce);
  86 }
  87
  88 AesCrypt.AesCryptCipherToken = '$AesCryptCipherToken';
  89 AesCrypt.AesCryptEndToken = '$AesCryptEndToken';
  90 AesCrypt.AesCryptPadding = $AesCryptPadding;
  91 AesCrypt.PubDirUrl = '$PubDirUrl/aescrypt';
  92
  93 // ]]>
  94 </script>
  95 ";
  96
  97 /* generate decryption code */
  98 function aescryptMarkup($ciphertext)
  99 {
 100     static $id = 0;
 101     $id++;
 102     $res = "\n";
 103     $res .= "<div id=\"aescrypt_c_$id\" style=\"white-space:pre;display:none;\">$ciphertext</div>";
 104     $res .= "<div id=\"aescrypt_d_$id\">";
 105     $res .= "<a id=\"aescrypt_a_$id\" href=\"javascript:void (0);\" onClick=\"AesCrypt.decPopup($id);\">";
 106     $res .= "[Decrypt]";
 107     $res .= "</a>";
 108     $res .= "</div>";
 109     return $res;
 110 }
 111
 112 Markup('aescrypt',
 113        'directives',
 114        "/\\Q$AesCryptCipherToken\\E\\s*(.*?)\\s*\\Q$AesCryptEndToken\\E/se",
 115        "aescryptMarkup('$1')");
 116
 117 if ($action == 'edit') {
 118
 119  if (IsEnabled($EnableGUIButtons)) {
 120   $GUIButtons['aescrypt'] = array(750, '', '', '',
 121    "<a href='#' onclick='AesCrypt.encPopup();'><img src='\$GUIButtonDirUrlFmt/aescrypt.png' title='Encrypt' /></a>");
 122  } else {
 123   $MessagesFmt[] = "<input type='button' name='aesButton' value='Encrypt' onClick='AesCrypt.encPopup();'/>";
 124  }
 125 }
 126
 127