[Sommaire] [Imprimer]

   1  <?php
   2  //=======================================================================
   3  // File:    JPGRAPH_ANTISPAM.PHP
   4  // Description:    Genarate anti-spam challenge
   5  // Created:     2004-10-07
   6  // Ver:        $Id: jpgraph_antispam-digits.php 781 2006-10-08 08:07:47Z ljp $
   7  //
   8  // Copyright (c) Aditus Consulting. All rights reserved.
   9  //========================================================================
  10  
  11  class HandDigits {
  12      public $digits = array();
  13      public $iHeight=30, $iWidth=30;
  14  
  15      function HandDigits() {
  16  //==========================================================
  17  // d6-small.jpg
  18  //==========================================================
  19      $this->digits['6'][0]= 645 ;
  20      $this->digits['6'][1]= 
  21          '/9j/4AAQSkZJRgABAQEASgBKAAD//gAJSnBHcmFwaP/bAEMACAYGBwYFCAcHBwkJCAoMFA0MCwsMGRITDxQdGh8eHRocHCAkLicg'.
  22          'IiwjHBwoNyksMDE0NDQfJzk9ODI8LjM0Mv/bAEMBCQkJDAsMGA0NGDIhHCEyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIy'.
  23          'MjIyMjIyMjIyMjIyMjIyMjIyMv/AABEIAB4AEgMBIgACEQEDEQH/xAAZAAEBAAMBAAAAAAAAAAAAAAAABgMEBwX/xAAvEAABAwMC'.
  24          'BAQEBwAAAAAAAAABAgMEAAURBiESIjFRBxMUQRUWMmFTYnGRkrHC/8QAFgEBAQEAAAAAAAAAAAAAAAAAAAEC/8QAFhEBAQEAAAAA'.
  25          'AAAAAAAAAAAAAAER/9oADAMBAAIRAxEAPwDslwiR3oDku8ONttsAvDiVyMcO/ET7ke5/aoOz6k1Vr5htNjW7a7M1yO3NTQU9JUDu'.
  26          'GgrlSn8xyf6p4gXaHJvNps9/mKZtSkGdMjRwpfqAFBLLACRlZUrJONsI2717No1lbZ10kx7XGnRpKWQ/6GVGMfzEJ5VFIVtsOH6e'.
  27          'wyKVhYsia0y22pLThSkJK1uniVgdThOM0ol+StIUhpopIyCFq3H8aUVCwnG3PGe4Rp6fLXJtMdyM0ojcIWvIz3HFnAPfrWTXb6GN'.
  28          'WaLXDwZjVz8pKEfhuIUFg/bAz9sVJ61nt61mxJFslLtq7e5yPqiBT4UDklKw4MDpt+u+9bFiu9riXNu83R+fcr6tohuQ5HQhmK37'.
  29          'paaC8DruScmg6X8KkjZEhbaB9KEyFYSOw26Uqd+e7Qerl5z74DY/1SomP//Z' ; 
  30  
  31  //==========================================================
  32  // d2-small.jpg
  33  //==========================================================
  34      $this->digits['2'][0]= 606 ;
  35      $this->digits['2'][1]= 
  36          '/9j/4AAQSkZJRgABAQEASgBKAAD//gAJSnBHcmFwaP/bAEMACAYGBwYFCAcHBwkJCAoMFA0MCwsMGRITDxQdGh8eHRocHCAkLicg'.
  37          'IiwjHBwoNyksMDE0NDQfJzk9ODI8LjM0Mv/bAEMBCQkJDAsMGA0NGDIhHCEyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIy'.
  38          'MjIyMjIyMjIyMjIyMjIyMjIyMv/AABEIAB4AEQMBIgACEQEDEQH/xAAYAAEBAQEBAAAAAAAAAAAAAAAFAAQHAv/EACsQAAEDBAEC'.
  39          'BAYDAAAAAAAAAAIBAwQABQYRIRIxQVFhcQcTFSJSU5GU0f/EABcBAAMBAAAAAAAAAAAAAAAAAAECAwT/xAAZEQACAwEAAAAAAAAA'.
  40          'AAAAAAAAARESUUH/2gAMAwEAAhEDEQA/AOqXm/Q8dxmOL4PPSnCSNFixx6nXnkXgRT3Te17JWbGsveueSyLZdbPItNxOKLzTLjou'.
  41          'gYCSoSoY8ISKSbFeUrzkdlnTL1YshskiErkQnFEZaF8kkdBBVdjyi6RNL5+9F486eS/ECVkcBtDt1vZcho5viS8ZCp9C9tAIAm/F'.
  42          'VoPRU+HRtJ5JVRP1kP0PfwP+1VKrHBMliXG4Nw8VgE4xGkuqk2S1wTUNEVdIvgpL9iL6KtNxY7WOwo9tt0RCitj0sR2uCbFPPzH1'.
  43          '7+6rRuSRcljMBMsUy2tky045KOawZk5xtEFBJEROO3hx61kh2rPCIX3MhsyC4QmfTbC6lH8dq5212qwkiG5H6Y/9R2qm+ofxqqsL'.
  44          'DLZ6f//Z' ; 
  45  
  46  //==========================================================
  47  // d9-small.jpg
  48  //==========================================================
  49      $this->digits['9'][0]= 680 ;
  50      $this->digits['9'][1]= 
  51          '/9j/4AAQSkZJRgABAQEASgBKAAD//gAJSnBHcmFwaP/bAEMACAYGBwYFCAcHBwkJCAoMFA0MCwsMGRITDxQdGh8eHRocHCAkLicg'.
  52          'IiwjHBwoNyksMDE0NDQfJzk9ODI8LjM0Mv/bAEMBCQkJDAsMGA0NGDIhHCEyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIy'.
  53          'MjIyMjIyMjIyMjIyMjIyMjIyMv/AABEIAB4AEgMBIgACEQEDEQH/xAAZAAACAwEAAAAAAAAAAAAAAAAABAUGBwP/xAArEAABAwMD'.
  54          'AgYBBQAAAAAAAAABAgMEBQYRABIhE1EUIjEzQUIHMlJhcdH/xAAWAQEBAQAAAAAAAAAAAAAAAAACAQD/xAAYEQEAAwEAAAAAAAAA'.
  55          'AAAAAAAAAREhQf/aAAwDAQACEQMRAD8AkK7brF6X7XpMeGoKhFMLEeT4ZUheEhanF4OcZ2pTgDykk92bZpdCsi7aezLjxkIPUZiV'.
  56          'RSCy8hah7EkZ27yM7V+iscal5bE22Lon1qNDmSKROd8Sl+Ix1lMOlIS4HGgQpbStoUCnlJz8HmsXtW3Lst2rmBAelLMRRekOwnYz'.
  57          'Edls9QKKnOVLyk7UgcbzzrdBthqEJJwZbAI4x1U/7o1TaFa9lG36aXaZTy54VrcXUgrzsGdx+T30aNydweqVw1GS87T6Lb86Q4ha'.
  58          'my/IAYjZBx+snKk99oOQMf1AViE65SY348hzFy6hPKnqtKz7DC1lbqyPrvJKUJ7H+M6Wrt3InP7o1brFNp4bCDGhxGAsqz69VSiQ'.
  59          'ORwBxrrQ7itm1ac7Hp0WoGTIc3PSn0pccdcP2WorycfA1RaRHjxosZqOyhtDTSAhCf2gDAGjVHTd9sKSCumynFEZK1tIJUe58/ro'.
  60          '1V1//9k=' ; 
  61  
  62  //==========================================================
  63  // d5-small.jpg
  64  //==========================================================
  65      $this->digits['5'][0]= 632 ;
  66      $this->digits['5'][1]= 
  67          '/9j/4AAQSkZJRgABAQEASgBKAAD//gAJSnBHcmFwaP/bAEMACAYGBwYFCAcHBwkJCAoMFA0MCwsMGRITDxQdGh8eHRocHCAkLicg'.
  68          'IiwjHBwoNyksMDE0NDQfJzk9ODI8LjM0Mv/bAEMBCQkJDAsMGA0NGDIhHCEyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIy'.
  69          'MjIyMjIyMjIyMjIyMjIyMjIyMv/AABEIAB4AEgMBIgACEQEDEQH/xAAZAAACAwEAAAAAAAAAAAAAAAAABgIFBwT/xAAoEAABAwME'.
  70          'AQQCAwAAAAAAAAABAgMEBQYRABIhIkEUMVFhBxNCgaH/xAAVAQEBAAAAAAAAAAAAAAAAAAAAAv/EABcRAQEBAQAAAAAAAAAAAAAA'.
  71          'AAABEUH/2gAMAwEAAhEDEQA/ANGvW4YVOeiRX5b4mv5Sin05IdlupPKdo/j2SO3+6TbPNQvOsTVz33KRT4csR3YUF7Dsh5OSFvug'.
  72          'kqG4FPBxnjxpvvi4KZb1pTpU+QwxUi2Y7ZIAefUk5ATxnB9/gbtL/wCH1UpuhPUlZlMVaQ0mS8zJjqZOPfc2TwpIUonI9tw40R1r'.
  73          'WNGq/wBdJR1XT3lqHBUnGCfkfWjRWs1ve249erQqQYjOtN1FqPUpCXQ4WIzQSsJwT0UpRwQPG0nzqyuNHobjsl9kBuWqoOoXtT1/'.
  74          'WppZcA8lKRj64HxqU+3KpAr6plElRVKef3S4E0K9O8pLXVzKcqSsJAB9wSAca6bSoNXeuA1+5pEV+SGFNU1iKVFqI0Vdx2AJUeoz'.
  75          '8DGlTDwG3CAf3q/pI0ah6MDhLz6U+EpXwPoaNMU//9k=' ; 
  76  
  77  //==========================================================
  78  // d1-small.jpg
  79  //==========================================================
  80      $this->digits['1'][0]= 646 ;
  81      $this->digits['1'][1]= 
  82          '/9j/4AAQSkZJRgABAQEASgBKAAD//gAJSnBHcmFwaP/bAEMACAYGBwYFCAcHBwkJCAoMFA0MCwsMGRITDxQdGh8eHRocHCAkLicg'.
  83          'IiwjHBwoNyksMDE0NDQfJzk9ODI8LjM0Mv/bAEMBCQkJDAsMGA0NGDIhHCEyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIy'.
  84          'MjIyMjIyMjIyMjIyMjIyMjIyMv/AABEIAB4AEwMBIgACEQEDEQH/xAAZAAADAAMAAAAAAAAAAAAAAAAABQYCBAf/xAApEAACAQMD'.
  85          'AwQBBQAAAAAAAAABAgMEBREABiESMUEHEyJRkSNCYXGB/8QAFgEBAQEAAAAAAAAAAAAAAAAAAAEC/8QAFxEBAQEBAAAAAAAAAAAA'.
  86          'AAAAAAEREv/aAAwDAQACEQMRAD8A6jdd4WLbstILnc4Uq0VoWpkJknb6IjXLHJUePOlez923fcW4r1SxWlqC2UbdKirQif3Xw3yA'.
  87          'OFAGT09/kO3OmV3a20MFRf6lIYPcpy7yRRAzgxjIy2M8YwcdiBzpX6d22VNvUlTXsFkuwkrKqNSfnK7F8OTzwrAY+l5zoxKskudN'.
  88          'EgQPUT9PBkWF3DH+1GPxo1mLnRoAqF2VRgGOFmX/AAgY/GjRUP6hVMFv2FuFqUvUGrpDFJMBnpdyF5bsAQew7Hxzp6LZNT0yQ1DI'.
  89          'wp0QCFBhD0jCsfLZHxbx5xxpTuvb1+v9PV7Ztk9roLPLCjmSSN3mX5ZwqjCgZX7PfWxDQb2in96pv9qq46aTE0bW4x9ceAWAYPwS'.
  90          'PsYzoixgmheBGjIVcYCnjp/jHjHbRpe1JLn9OnopE/a0ykvjwDx47aNMXqP/2Q==' ; 
  91  
  92  //==========================================================
  93  // d8-small.jpg
  94  //==========================================================
  95      $this->digits['8'][0]= 694 ;
  96      $this->digits['8'][1]= 
  97          '/9j/4AAQSkZJRgABAQEASgBKAAD//gAJSnBHcmFwaP/bAEMACAYGBwYFCAcHBwkJCAoMFA0MCwsMGRITDxQdGh8eHRocHCAkLicg'.
  98          'IiwjHBwoNyksMDE0NDQfJzk9ODI8LjM0Mv/bAEMBCQkJDAsMGA0NGDIhHCEyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIy'.
  99          'MjIyMjIyMjIyMjIyMjIyMjIyMv/AABEIAB4AFQMBIgACEQEDEQH/xAAYAAADAQEAAAAAAAAAAAAAAAAABgcEBf/EACsQAAEDAwMD'.
 100          'AwMFAAAAAAAAAAECAwQFBhEAEiEUMVEHE0EVYYEiIzJCsf/EABYBAQEBAAAAAAAAAAAAAAAAAAIAAf/EABcRAQEBAQAAAAAAAAAA'.
 101          'AAAAAAABERL/2gAMAwEAAhEDEQA/AKL6gVVUa0i1T5QjvTprUJMlxW4R9zgQXe/AH+kaWrntqlWjaq7gpcmotXAw82ht9yY4tch8'.
 102          'uAFC0k7VBXPGMY51ruiaue+bThIj+7NbWqS+7HDxajFf6AlB/k44o8ZOABk4xkL0X0tZiojKrlRuGRJjugqldSlKGf6t7BuUQe3J'.
 103          '44xxxrA1a4KVJipLidri8uLHgqOcfjOPxo0o2hdDvS1CmV2Yl6fS5ioipIQR1CAlKkLKR2UUqAI8g6NRSwuuyHab6s1ufLI/Zai7'.
 104          'UBJOxhTS0+6B32pWSFH4CidOdWU0ukLiN1BLr0zG5Sdm3GRvcPhIT858DvjXNrVsSLnm/VIdTXS6tTnFsxZTSN3jchaTwps+O/z9'.
 105          'tcBVq3hIX0tYqlIiQHdy5CqRHKHXEjAOMgBKjnvyRk4xrQa7OiGt1K5biYZL8SoVEpjOqkFsONtJCNwASeCQrn7aNUKnQYtLp7EC'.
 106          'EylmLHQltptPZKQOBo1FzH//2Q==' ; 
 107  
 108  //==========================================================
 109  // d4-small.jpg
 110  //==========================================================
 111      $this->digits['4'][0]= 643 ;
 112      $this->digits['4'][1]= 
 113          '/9j/4AAQSkZJRgABAQEASgBKAAD//gAJSnBHcmFwaP/bAEMACAYGBwYFCAcHBwkJCAoMFA0MCwsMGRITDxQdGh8eHRocHCAkLicg'.
 114          'IiwjHBwoNyksMDE0NDQfJzk9ODI8LjM0Mv/bAEMBCQkJDAsMGA0NGDIhHCEyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIy'.
 115          'MjIyMjIyMjIyMjIyMjIyMjIyMv/AABEIAB4AEgMBIgACEQEDEQH/xAAYAAADAQEAAAAAAAAAAAAAAAAABAYHAv/EAC0QAAIBAwQA'.
 116          'BAMJAAAAAAAAAAECAwQFEQAGEiETFDFBUmGBByIjUVNxobHR/8QAFgEBAQEAAAAAAAAAAAAAAAAAAAIB/8QAGBEBAAMBAAAAAAAA'.
 117          'AAAAAAAAAAERIVH/2gAMAwEAAhEDEQA/ANjM00Nxmt1xiWW31CZp5uJwoAAaOQ/n7qfcZHqO5my3q5XX7R6ijiqnNut9u4NyJ4yv'.
 118          'JJyjYr8Xhrn5g599J7x3ulBNU7Zo7dXXXcLQ8kURYi4epYtkALjOePv1nUvbLvV7P3BZm3DR3eh88Kp7pVzBZI6iUhGWRRGWwE44'.
 119          'HX3V+uiL1uHgt+vL/H+aNJQ3CSeCOaFqSaJ1DJKs/TqRkMOvQjvRorHE4pRDLNWLGlRHGUeYIORXs9e5B7OP31E0fmdyb/t0DJ4Q'.
 120          '27bfx3YZzPUIoAAz7IpOD6cuxq0uNumqLfVNDOqXBoZEjnZcqhIPXH4c46+WkdoWOltu3IDDLLLVVR83UVcuPEmmcZZ2/rHoAANG'.
 121          'GI7KIY1ijoLeEQBVCwIoAHpgY6Hy0aZe7mJ2jeHLKcEhusj6aNKgzr//2Q==' ; 
 122  
 123  //==========================================================
 124  // d7-small.jpg
 125  //==========================================================
 126      $this->digits['7'][0]= 658 ;
 127      $this->digits['7'][1]= 
 128          '/9j/4AAQSkZJRgABAQEASgBKAAD//gAJSnBHcmFwaP/bAEMACAYGBwYFCAcHBwkJCAoMFA0MCwsMGRITDxQdGh8eHRocHCAkLicg'.
 129          'IiwjHBwoNyksMDE0NDQfJzk9ODI8LjM0Mv/bAEMBCQkJDAsMGA0NGDIhHCEyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIy'.
 130          'MjIyMjIyMjIyMjIyMjIyMjIyMv/AABEIAB4AEgMBIgACEQEDEQH/xAAZAAACAwEAAAAAAAAAAAAAAAAABgEFBwT/xAAuEAABAwIE'.
 131          'BAQGAwAAAAAAAAABAgMEBREABiExEhMiQSMyUXEHFBclVJFhk9L/xAAXAQADAQAAAAAAAAAAAAAAAAAAAQID/8QAGREBAQEAAwAA'.
 132          'AAAAAAAAAAAAAAEREiFR/9oADAMBAAIRAxEAPwDXq9mCjZeQ05VZ5ZST4bfEpa3VdglCbqUe+g9MZ5Uq7V8415WXoMSdQ6etgSps'.
 133          '19wpkCMDZKUpv0FZvbi1NzpYasMDLDUbMVXrtQdbeeU23xLWkj5RlLYK0J7anW9gbAjCzkOtsVSUJUdtc6dVZK51UeaFm4LKbhpC'.
 134          'l7EhIFkDW974GbRI2XorUVls1OTdKAOqUpR0Hc3198GITQ6k+hLwrEpoODiDenRfW23bBicg78JXxPpD0mgVOW5PAivNNpahsPW5'.
 135          '8xxQaSVkboQnhsnYm5OHqDGp1IpsalMKjMsMIC3+XZKbJFth62/QOEfMOZqZXp9JcKZTcGmTky3meSi7xQklI81vMR+sXIz/AEgp'.
 136          'Q0qPNu6ea8Q2jqtbp8+2w9h/OKORc/cpHjt1dDSHOtLZ4ekHW23bBjj+o9H/AB539aP94MG0+L//2Q==' ; 
 137  
 138  //==========================================================
 139  // d3-small.jpg
 140  //==========================================================
 141      $this->digits['3'][0]= 662 ;
 142      $this->digits['3'][1]= 
 143          '/9j/4AAQSkZJRgABAQEASgBKAAD//gAJSnBHcmFwaP/bAEMACAYGBwYFCAcHBwkJCAoMFA0MCwsMGRITDxQdGh8eHRocHCAkLicg'.
 144          'IiwjHBwoNyksMDE0NDQfJzk9ODI8LjM0Mv/bAEMBCQkJDAsMGA0NGDIhHCEyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIy'.
 145          'MjIyMjIyMjIyMjIyMjIyMjIyMv/AABEIAB4AEgMBIgACEQEDEQH/xAAZAAACAwEAAAAAAAAAAAAAAAAABAUGBwL/xAArEAABBAED'.
 146          'AwMDBQEAAAAAAAABAgMEBREABhIhMUEiMmETFZEHFkJDUdH/xAAWAQEBAQAAAAAAAAAAAAAAAAABAAL/xAAYEQEBAQEBAAAAAAAA'.
 147          'AAAAAAAAEQExQf/aAAwDAQACEQMRAD8A0vclruBdk3VVLLUNssGRJsZSCtqOjlgJAHvcOD6c4HnOdIbcttw1W5P29cFEhuawqTXS'.
 148          'VsJjnCMBxKkJJx7goAde+ceJfdNxU0UNlyymyXHi6kxWUNl1S3EnkAEIHX2nv86qtTuZr9Q9+1VhRsOoYpYcgSVyAE/TdewkJxnK'.
 149          'sBCjkdPGpnOtFMd3PqsXgfOAgD8Y0aX+11H9rDDjn8lr9yj5J+dGqsqxaw6Cc9cQZU4Sp7zTJsIrKlcUEKwhSin1JABI45GUjqOu'.
 150          'lbOvjbc3Ts9ynjGCy445UuFLYRzbWgrT6fhSCQSMDke+pew2zYVly/d7YchNqkMJZnQpgV9J8IzwWFJyUrAJHYgjvpLbu37G5nR7'.
 151          'vck5C3YRKYEOEVJZj8kjKypXqWvirjk9h+dB9i4faa89TDZUfKlIyT8k+To10a6KTkpcJ/0vL/7o0TS//9k=' ; 
 152      } 
 153  }
 154  
 155  class AntiSpam {
 156  
 157      var $iNumber='';
 158  
 159      function AntiSpam($aNumber='') {
 160      $this->iNumber = $aNumber;
 161      }
 162  
 163      function Rand($aLen) {
 164      $d='';
 165      for($i=0; $i < $aLen; ++$i) {
 166          $d .= rand(1,9);
 167      }
 168      $this->iNumber = $d;
 169      return $d;
 170      }
 171  
 172      function Stroke() {
 173  
 174      $n=strlen($this->iNumber);
 175      for($i=0; $i < $n; ++$i ) {
 176          if( !is_numeric($this->iNumber[$i]) || $this->iNumber[$i]==0 ) {
 177          return false;
 178          }
 179      }
 180  
 181      $dd = new HandDigits();
 182      $n = strlen($this->iNumber);
 183      $img = @imagecreatetruecolor($n*$dd->iWidth, $dd->iHeight);
 184      if( $img < 1 ) {
 185          return false;
 186      }
 187      $start=0;
 188      for($i=0; $i < $n; ++$i ) {
 189          $size = $dd->digits[$this->iNumber[$i]][0];
 190          $dimg = imagecreatefromstring(base64_decode($dd->digits[$this->iNumber[$i]][1]));
 191          imagecopy($img,$dimg,$start,0,0,0,imagesx($dimg), $dd->iHeight);
 192          $start += imagesx($dimg);
 193      }
 194      $resimg = @imagecreatetruecolor($start+4, $dd->iHeight+4);
 195      if( $resimg < 1 ) {
 196          return false;
 197      }
 198      imagecopy($resimg,$img,2,2,0,0,$start, $dd->iHeight);
 199      header("Content-type: image/jpeg");
 200      imagejpeg($resimg);
 201      return true;
 202      }
 203  }
 204  
 205  ?>