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   1  <?php
   2  /* *
   3   * Tiny Spelling Interface for TinyMCE Spell Checking.
   4   *
   5   * Copyright © 2006 Moxiecode Systems AB
   6   */
   7  
   8  class TinyGoogleSpell {
   9      var $lang;
  10  
  11  	function TinyGoogleSpell(&$config, $lang, $mode, $spelling, $jargon, $encoding) {
  12          $this->lang = $lang;
  13      }
  14  
  15      // Returns array with bad words or false if failed.
  16  	function checkWords($word_array) {
  17          $words = array();
  18          $wordstr = implode(' ', $word_array);
  19  
  20          $matches = $this->_getMatches($wordstr);
  21  
  22          for ($i=0; $i<count($matches); $i++)
  23              $words[] = $this->unhtmlentities(mb_substr($wordstr, $matches[$i][1], $matches[$i][2], "UTF-8"));
  24  
  25          return $words;
  26      }
  27  
  28  	function unhtmlentities($string) {
  29          $string = preg_replace('~&#x([0-9a-f]+);~ei', 'chr(hexdec("\\1"))', $string);
  30          $string = preg_replace('~&#([0-9]+);~e', 'chr(\\1)', $string);
  31  
  32          $trans_tbl = get_html_translation_table(HTML_ENTITIES);
  33          $trans_tbl = array_flip($trans_tbl);
  34  
  35          return strtr($string, $trans_tbl);
  36      }
  37  
  38      // Returns array with suggestions or false if failed.
  39  	function getSuggestion($word) {
  40          $sug = array();
  41  
  42          $matches = $this->_getMatches($word);
  43  
  44          if (count($matches) > 0)
  45              $sug = explode("\t", utf8_encode($this->unhtmlentities($matches[0][4])));
  46  
  47          return $sug;
  48      }
  49  
  50  	function _xmlChars($string) {
  51         $trans = get_html_translation_table(HTML_ENTITIES, ENT_QUOTES);
  52  
  53         foreach ($trans as $k => $v)
  54              $trans[$k] = "&#".ord($k).";";
  55  
  56         return strtr($string, $trans);
  57      }
  58  
  59  	function _getMatches($word_list) {
  60          $server = "www.google.com";
  61          $port = 443;
  62          $path = "/tbproxy/spell?lang=" . $this->lang . "&hl=en";
  63          $host = "www.google.com";
  64          $url = "https://" . $server;
  65  
  66          // Setup XML request
  67          $xml = '<?xml version="1.0" encoding="utf-8" ?><spellrequest textalreadyclipped="0" ignoredups="0" ignoredigits="1" ignoreallcaps="1"><text>' . $word_list . '</text></spellrequest>';
  68  
  69          $header  = "POST ".$path." HTTP/1.0 \r\n";
  70          $header .= "MIME-Version: 1.0 \r\n";
  71          $header .= "Content-type: application/PTI26 \r\n";
  72          $header .= "Content-length: ".strlen($xml)." \r\n";
  73          $header .= "Content-transfer-encoding: text \r\n";
  74          $header .= "Request-number: 1 \r\n";
  75          $header .= "Document-type: Request \r\n";
  76          $header .= "Interface-Version: Test 1.4 \r\n";
  77          $header .= "Connection: close \r\n\r\n";
  78          $header .= $xml;
  79          //$this->_debugData($xml);
  80  
  81          // Use curl if it exists
  82          if (function_exists('curl_init')) {
  83              // Use curl
  84              $ch = curl_init();
  85              curl_setopt($ch, CURLOPT_URL,$url);
  86              curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
  87              curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $header);
  88              curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
  89              $xml = curl_exec($ch);
  90              curl_close($ch);
  91          } else {
  92              // Use raw sockets
  93              $fp = fsockopen("ssl://" . $server, $port, $errno, $errstr, 30);
  94              if ($fp) {
  95                  // Send request
  96                  fwrite($fp, $header);
  97  
  98                  // Read response
  99                  $xml = "";
 100                  while (!feof($fp))
 101                      $xml .= fgets($fp, 128);
 102  
 103                  fclose($fp);
 104              } else 
 105                  echo "Could not open SSL connection to google.";
 106          }
 107  
 108          //$this->_debugData($xml);
 109  
 110          // Grab and parse content
 111          preg_match_all('/<c o="([^"]*)" l="([^"]*)" s="([^"]*)">([^<]*)<\/c>/', $xml, $matches, PREG_SET_ORDER);
 112  
 113          return $matches;
 114      }
 115  
 116  	function _debugData($data) {
 117          $fh = @fopen("debug.log", 'a+');
 118          @fwrite($fh, $data);
 119          @fclose($fh);
 120      }
 121  }
 122  
 123  // Setup classname, should be the same as the name of the spellchecker class
 124  $spellCheckerConfig['class'] = "TinyGoogleSpell";
 125  
 126  ?>