cms.php

   1 <?php
   2
   3 abstract class cms {
   4
   5   private $config_file = '/etc/dylansserver.ini';
   6   protected $db;
   7   protected $recaptcha_publickey;
   8   protected $recaptcha_privatekey;
   9   protected  $scripts;
  10   public $title;
  11   public $home_link;
  12
  13   public function __construct() {
  14     $config = parse_ini_file($this->config_file, true);
  15     $this->db = new mysqli(
  16       $config['database']['domain'],
  17       $config['database']['user'],
  18       $config['database']['password'],
  19       $config['database']['database']);
  20     if (mysqli_connect_errno()) {
  21       echo "Problem connecting to database: ";
  22       echo mysqli_connect_error();
  23       exit();
  24     }
  25     $this->recaptcha_publickey = $config['recaptcha']['publickey'];
  26     $this->recaptcha_privatekey = $config['recaptcha']['privatekey'];
  27     $this->title = $config['site']['default_title'];
  28     $this->home_link = $config['site']['home_link'];
  29     ob_start();
  30   }
  31
  32   public static function determine_type() {
  33     if (isset($_GET['page']) && is_numeric($_GET['page'])) {
  34       return 'page';
  35     } else if (isset($_GET['year'])) {
  36       return 'archive';
  37     } else if (isset($_GET['note'])) {
  38       return 'note';
  39     } else if ($_SERVER['REQUEST_URI'] == '/') {
  40       return 'index';
  41     } else if (isset($_GET['project'])) {
  42       return 'project';
  43         } else if (isset($_GET['rss'])) {
  44           return 'rss';
  45         } else if (isset($_GET['challenge'])) {
  46       return 'captcha';
  47     }
  48   }
  49
  50   public function query() {
  51     $args = func_get_args();
  52     $statement = $this->db->prepare($args[0]);
  53     $args = array_slice($args, 1);
  54     call_user_func_array(array($statement, 'bind_param'), &$args);
  55     $statement->execute();
  56     $return = array();
  57     $statement->store_result();
  58     $row = array();
  59     $data = $statement->result_metadata();
  60     $fields = array();
  61     $fields[0] = &$statement;
  62     while($field = $data->fetch_field()) {
  63       $fields[] = &$row[$field->name];
  64     }
  65     call_user_func_array("mysqli_stmt_bind_result", $fields);
  66     $i = 0;
  67     while ($statement->fetch()) {
  68         foreach ($row as $key=>$value) $return[$i][$key] = $value;
  69       $i++;
  70     }
  71     $statement->free_result();
  72     return $return;
  73       }
  74
  75   public function display_head($title = "dylansserver",
  76                                   $home_link = "/") {
  77     $scripts = $this->scripts;
  78     $stylesheets = "<link href='/includes/style.css' rel='stylesheet' type='text/css'>";
  79     $home_link = "http://validator.w3.org/unicorn/check?ucn_uri=dylansserver.com&amp;ucn_task=conformance#";
  80     echo <<<END_OF_HEAD
  81 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
  82 "http://www.w3.org/TR/html4/loose.dtd">
  83
  84 <html>
  85 <head>
  86   <meta name="generator" content=
  87   "HTML Tidy for Linux (vers 25 March 2009), see www.w3.org">
  88   <meta http-equiv="Content-type" content="text/html;charset=UTF-8">
  89
  90   <title>$this->title</title>
  91   <link rel="icon" href="/favicon.ico" type="image/png">
  92   $stylesheets
  93   $scripts
  94 </head>
  95
  96 <body onload="return typeof highlight == 'function' ? highlight() : true;">
  97   <div id="structure">
  98     <div id="banner">
  99       <a href="$this->home_link">
 100       <img src="/images/dylansserver.png" alt="dylansserver"
 101       border="0"></a>
 102     </div>
 103
 104     <div id="content">
 105 END_OF_HEAD;
 106   }
 107
 108   public function display_contact() {
 109     echo <<<END_OF_CONTACT
 110       <div id="contact_me"><h1><a href=
 111       "mailto:dylan@psu.edu">dylan</a></h1><a href=
 112       "mailto:dylan@psu.edu">@psu.edu</a>
 113       </div>
 114 END_OF_CONTACT;
 115   }
 116
 117   public function display_close($show_contact = true) {
 118     if ($show_contact) {
 119       $this->display_contact();
 120     }
 121     echo <<<END_OF_CLOSE
 122     </div>
 123     <br>
 124     <br>
 125   </div>
 126 </body>
 127 </html>
 128 END_OF_CLOSE;
 129     ob_flush();
 130   }
 131
 132   public function init() {
 133     switch (cms::determine_type()) {
 134       case 'index':
 135         $index = new index();
 136         $index->display();
 137         break;
 138       case 'project':
 139         $project = new project();
 140         $project->display();
 141         break;
 142       case 'note':
 143         $note = new note;
 144         $note->display();
 145         break;
 146       case 'page':
 147         $page = new page;
 148         $page->display();
 149         break;
 150       case "rss":
 151         $rss = new rss();
 152         $rss->display();
 153         break;
 154       case 'archive':
 155         $archive = new archive;
 156         $archive->display();
 157         break;
 158       case "captcha":
 159         $captcha = new captcha;
 160         $captcha->display();
 161         break;
 162     }
 163   }
 164
 165 }
 166
 167
 168 class index extends cms {
 169
 170   public function display() {
 171     $this->scripts = "<script type='text/javascript' src='/includes/index.js'></script>";
 172     $this->display_head();
 173     $this->display_exhibits();
 174     echo "<ul id='portfolio'>";
 175     $this->list_projects();
 176     echo <<<OTHER_PROJECTS
 177         <li>
 178           <h3>things i've done for others:</h3>
 179         </li>
 180
 181         <li><a href=
 182         "http://activehamptons.com">activehamptons.com</a></li>
 183
 184         <li><a href=
 185         "http://transfishing.com">transfishing.com</a></li>
 186
 187         <li>
 188           <h3>something i've worked on:</h3>
 189         </li>
 190
 191         <li><a href=
 192         "http://tempositions.com">tempositions.com</a></li>
 193
 194         <li>
 195           <h3>my repositories:</h3>
 196         </li>
 197
 198         <li><a href=
 199         "/git/">git://dylansserver.com</a></li>
 200
 201         <li>
 202           <h3>some notes:</h3>
 203         </li>
 204
 205         <li><a href=
 206         "/notes/">here</a> [<a href="/notes/rss">rss</a>]</li>
 207
 208         <li>
 209           <h3>my resume:</h3>
 210         </li>
 211
 212         <li>[<a href=
 213         "/resume">pdf</a>]</li>
 214
 215         <li>
 216         </li>
 217 OTHER_PROJECTS;
 218     // Because of the CSS necessary for the animations,
 219     // the contact link needs to be in #portfolio to clear
 220     // the floats.
 221     echo "<li>";
 222     $this->display_contact();
 223     echo "</li>";
 224     echo "</ul>";
 225     $this->display_close($show_contact = false);
 226   }
 227
 228   protected function display_exhibits() {
 229     echo "<div id='exhibit'>";
 230     $sql = "SELECT text FROM projects ORDER BY rank";
 231     $result = $this->db->query($sql);
 232     while ($entry = $result->fetch_object()) {
 233       echo $entry->text;
 234     }
 235     echo "</div>";
 236   }
 237
 238   private function list_projects() {
 239     echo <<<HEREDOC
 240         <li>
 241           <h3>my projects:</h3>
 242         </li>
 243 HEREDOC;
 244     $sql = "SELECT title FROM projects ORDER BY rank";
 245     $result = $this->db->query($sql);
 246     while ($entry = $result->fetch_object()) {
 247       echo "<li><a class='tab' href='$entry->title'>$entry->title</a></li>";
 248     }
 249   }
 250
 251 }
 252
 253
 254 class project extends index {
 255
 256   protected function display_exhibits() {
 257     echo "<div id='exhibit'>";
 258     $sql = "SELECT text FROM projects
 259              WHERE title = ?";
 260     $result = $this->query($sql, "s", $_GET['project']);
 261     if ($result = $result[0]['text']) {
 262       $text =  str_replace("class='exhibit'", "class='exhibit' style='display:block;'", $result);
 263       echo $text;
 264       echo "</div>";
 265     } else {
 266       throw new notFound();
 267     }
 268   }
 269
 270 }
 271
 272
 273 class page extends cms {
 274
 275   private $page = 1;
 276   private $offset = 0;
 277   private $notes_per_page = 4;
 278   private $number_of_pages = 1;
 279
 280   public function __construct() {
 281     parent::__construct();
 282     $this->page_offset();
 283     $this->scripts = "
 284         <script type='text/javascript' src='/includes/syntax/scripts/shCore.js'></script>
 285         <script type='text/javascript' src='/includes/syntax/scripts/shAutoloader.js'></script>
 286         <link type='text/css' rel='stylesheet' href='/includes/syntax/styles/shCore.css'>
 287         <link type='text/css' rel='stylesheet' href='/includes/syntax/styles/shThemeDefault.css'>
 288         <script type='text/javascript'>
 289           function highlight() {
 290             SyntaxHighlighter.autoloader(
 291              'js /includes/syntax/scripts/shBrushJScript.js',
 292              'bash /includes/syntax/scripts/shBrushBash.js',
 293              'sql /includes/syntax/scripts/shBrushSql.js',
 294              'cpp /includes/syntax/scripts/shBrushCpp.js');
 295             SyntaxHighlighter.defaults['gutter'] = false;
 296             SyntaxHighlighter.defaults['toolbar'] = false;
 297             SyntaxHighlighter.all();
 298           }
 299         </script>
 300     ";
 301   }
 302
 303   private function page_offset() {
 304     $sql = "SELECT COUNT(*) FROM notes";
 305     $result = $this->db->query($sql);
 306     $result = $result->fetch_array();
 307     $this->number_of_pages = ceil($result[0] / $this->notes_per_page);
 308     if (isset($_GET['page']) && is_numeric($_GET['page'])) {
 309       $this->page = (int) $_GET['page'];
 310     } else {
 311       throw new notFound();
 312     }
 313     if ($this->page > $this->number_of_pages) {
 314       throw new notFound();
 315     }
 316     if ($this->page < 1) {
 317       throw new notFound();
 318     }
 319     $this->offset = ($this->page - 1) * $this->notes_per_page;
 320   }
 321
 322   public function display() {
 323       require_once("view/page.php");
 324   }
 325
 326   public function display_notes() {
 327     echo "<div id='notes'>";
 328     $sql = "SELECT date_posted, title, url, text
 329               FROM notes ORDER BY date_posted DESC
 330               LIMIT ?, ?";
 331     $result = $this->query($sql, "ii",
 332                               $this->offset,
 333                               $this->notes_per_page);
 334     foreach ($result as $row => $entry) {
 335       $title = $entry['title'];
 336       $url = '/note/' . $entry['url'];
 337       $date_posted =  explode("-", $entry['date_posted']);
 338       $year_posted = $date_posted[0];
 339       $month_posted = $date_posted[1];
 340       $datetime_posted = explode(' ', $date_posted[2]);
 341       $day_posted = $datetime_posted[0];
 342       $text = $entry['text'];
 343       echo <<<END_NOTE
 344       <div class='note'>
 345       <h1>
 346         <span class='date'>$year_posted/$month_posted/$day_posted/</span><a rel="canonical" href='$url'>$title</a>
 347       </h1>
 348       $text
 349       </div>
 350 END_NOTE;
 351     }
 352     echo "</div>";
 353   }
 354 }
 355
 356
 357 class note extends cms {
 358
 359   private $id;
 360   private $comments_enabled = false;
 361   private $failed_captcha;
 362   public $url;
 363   public $title;
 364   public $year_posted;
 365   public $month_posted;
 366   public $day_posted;
 367   public $text;
 368   public $number_of_comments;
 369
 370   public function __construct() {
 371       $this->scripts = "
 372         <script type='text/javascript' src='/includes/syntax/scripts/shCore.js'></script>
 373         <script type='text/javascript' src='/includes/syntax/scripts/shAutoloader.js'></script>
 374         <link type='text/css' rel='stylesheet' href='/includes/syntax/styles/shCore.css'>
 375         <link type='text/css' rel='stylesheet' href='/includes/syntax/styles/shThemeDefault.css'>
 376         <script type='text/javascript'>
 377           function highlight() {
 378             SyntaxHighlighter.autoloader(
 379              'js /includes/syntax/scripts/shBrushJScript.js',
 380              'bash /includes/syntax/scripts/shBrushBash.js',
 381              'sql /includes/syntax/scripts/shBrushSql.js',
 382              'cpp /includes/syntax/scripts/shBrushCpp.js');
 383             SyntaxHighlighter.defaults['gutter'] = false;
 384             SyntaxHighlighter.defaults['toolbar'] = false;
 385             SyntaxHighlighter.all();
 386           }
 387         </script>
 388       ";
 389
 390     if (isset($_GET['comments'])) {
 391       $this->scripts .= "
 392         <script type='text/javascript' src='http://www.google.com/recaptcha/api/js/recaptcha_ajax.js'></script>
 393         <script type='text/javascript' src='/includes/comment.js'></script>";
 394     }
 395     parent::__construct();
 396     if (isset($_GET['comments'])) {
 397       $this->comments_enabled = true;
 398     }
 399     $url = htmlspecialchars($_SERVER['REQUEST_URI']);
 400     if (isset($_GET['verify'])) {
 401       $url = substr($url, 0, (strlen($url)-6));
 402     }
 403     $this->url = $url;
 404     $sql = "SELECT title, date_posted, text, id
 405               FROM notes WHERE url = ?";
 406     $result = $this->query($sql, "s",
 407                               $_GET['note']);
 408     if ($result) {
 409       $entry = $result[0];
 410       $this->id = $entry["id"];
 411       $this->title = $entry["title"];
 412       $date_posted =  explode("-", $entry["date_posted"]);
 413       $this->year_posted = $date_posted[0];
 414       $this->month_posted = $date_posted[1];
 415       $datetime_posted = explode(' ', $date_posted[2]);
 416       $this->day_posted = $datetime_posted[0];
 417       $this->text = $entry["text"];
 418     } else {
 419       throw new notFound();
 420     }
 421     $sql = "SELECT COUNT(*) FROM comments
 422               WHERE note = $this->id";
 423     $result = $this->db->query($sql);
 424     $result = $result->fetch_array();
 425     $this->number_of_comments = $result[0];
 426     if (isset($_GET['verify'])) {
 427       $this->verify();
 428     }
 429   }
 430
 431   public function display() {
 432       require_once("view/note.php");
 433   }
 434
 435   private function verify() {
 436     if (!isset($_POST['captcha'])) {
 437       require_once('includes/recaptchalib.php');
 438       echo "<br>";
 439       $resp = recaptcha_check_answer ($this->recaptcha_privatekey,
 440                                       $_SERVER["REMOTE_ADDR"],
 441                                       $_POST["recaptcha_challenge_field"],
 442                                       $_POST["recaptcha_response_field"]);
 443       if (!$resp->is_valid) {
 444         $this->failed_captcha = true;
 445       }
 446     }
 447     if (isset($_POST['captcha']) || $resp->is_valid) {
 448       $sql = ("INSERT INTO comments (date_posted, author,
 449                   text, note)
 450                 VALUES(NOW(), ?, ?, ?)");
 451       $stmt = $this->db->prepare($sql);
 452       // Checks are needed here (no blank text,
 453       // and a default author needs to be set
 454       // for no-javascript users.
 455       $stmt->bind_param('sss',
 456                           $_POST['name'],
 457                           $_POST['text'],
 458                         $this->id);
 459       $stmt->execute();
 460     }
 461   }
 462
 463   private function display_comment_link() {
 464     if ($this->number_of_comments > 0) {
 465       $anchor_text = "comments($this->number_of_comments)/";
 466     } else {
 467       $anchor_text = "comment?";
 468     }
 469     if (substr($this->url, (strlen($this->url)-1), strlen($this->url)) == '/') {
 470       $url = $this->url . 'comments/';
 471     } else {
 472       $url = $this->url . '/comments/';
 473     }
 474     echo "<a id='comment_link' href='$url'>$anchor_text</a>";
 475   }
 476
 477   private function display_comments() {
 478     echo "<div id='comments'>";
 479     $sql= "SELECT date_posted, author, text
 480              FROM comments WHERE note = ?
 481              ORDER BY date_posted DESC";
 482     $result = $this->query($sql, 'd', $this->id);
 483     foreach ($result as $row => $entry) {
 484       $date_posted = $entry['date_posted'];
 485       $author = $entry['author'];
 486       $text = htmlspecialchars($entry['text']);
 487       $head = "<h3>" . htmlspecialchars($author) . "</h3>";
 488       echo <<<END_OF_COMMENT
 489       <div class='comment'>
 490       $head
 491       $text
 492       </div>
 493 END_OF_COMMENT;
 494       }
 495     echo "</div>";
 496   }
 497
 498   private function display_comment_form() {
 499     $publickey = $this->recaptcha_publickey;
 500     echo <<<END_CAPTCHA_STYLE
 501 <script type="text/javascript">
 502 Recaptcha.create("$publickey",
 503    "recaptcha_div",
 504    {
 505      theme : 'custom',
 506      custom_theme_widget: 'recaptcha_widget',
 507      callback: Recaptcha.focus_response_field
 508    });
 509 </script>
 510 END_CAPTCHA_STYLE;
 511     require_once('includes/recaptchalib.php');
 512     $url = $this->url . "verify";
 513     echo "<form id='comment_form'  method='post' action='$url'>";
 514     echo <<<END_OF_FORM
 515     <div id="comment">
 516       <h3>comment:</h3>
 517       <textarea rows="10" cols="70" name="text" id="comment_text"></textarea>
 518       <h3>name:</h3>
 519       <input type=text name="name" id="comment_name">
 520
 521       <nowiki>
 522       <div id="recaptcha_widget">
 523         <br>
 524         <h3><b>what's this say</b>?</h3>
 525         <br>
 526           <div id="recaptcha_image"></div>
 527         <br><br><br>
 528         <span class="recaptcha_only_if_image"><br><br><br></span>
 529         <input type="text" id="recaptcha_response_field" name="recaptcha_response_field" />
 530         <br><br>
 531         <h3 class="recaptcha_only_if_audio"><b>enter the numbers you hear</b>:</h3>
 532         <span class="recaptcha_help">
 533           <a href="javascript:Recaptcha.reload()">another?</a> /
 534           <span class="recaptcha_only_if_image"><a href="javascript:Recaptcha.switch_type('audio')">audio?</a> /</span>
 535           <span class="recaptcha_only_if_audio"><a href="javascript:Recaptcha.switch_type('image')">image?</a></span><a href="javascript:Recaptcha.showhelp()">help?</a>
 536         </span>
 537       </div>
 538 END_OF_FORM;
 539     echo recaptcha_get_html($this->recaptcha_publickey);
 540     if ($this->failed_captcha) {
 541     echo <<<END_OF_ERRORS
 542         <div id="not_human">
 543           reCAPTCHA said you're not human, <br>
 544           try again?
 545         </div>
 546         <input id="submit" class="submit" type="submit" value="post comment">
 547         </form>
 548       </div>
 549 END_OF_ERRORS;
 550     } else {
 551       echo <<<END_OF_ERRORS
 552         <div id="not_human">
 553           reCAPTCHA said you're not human, <br>
 554           try again?
 555         </div>
 556         <div id="blank_comment">
 557           but you didn't write anything! <br>
 558         </div>
 559 END_OF_ERRORS;
 560     }
 561     echo <<<END_OF_FORM
 562       <input id="submit" class="submit" type="submit" value="post comment">
 563       </form>
 564       </div>
 565 END_OF_FORM;
 566   }
 567 }
 568
 569
 570 class archive extends cms {
 571
 572   public function __construct() {
 573     parent::__construct();
 574   }
 575
 576   private function check_exists() {
 577     $sql = "SELECT COUNT(*) FROM notes
 578               WHERE url = ?";
 579     $results = $this->query($sql, "s", $_GET['note']);
 580     if ($results[0]["COUNT(*)"] != 1) {
 581       $this->not_found();
 582     }
 583   }
 584
 585   public function display() {
 586     $this->display_head();
 587     switch (true) {
 588       case (isset($_GET['year']) && !isset($_GET['month'])
 589                 && !isset($_GET['day'])):
 590         $sql = "SELECT title, url, date_posted, text
 591                   FROM notes WHERE YEAR(date_posted) = ?
 592                 ORDER BY date_posted DESC";
 593         $result = $this->query($sql, "d",
 594                                   $_GET['year']);
 595         break;
 596       case (isset($_GET['year']) && isset($_GET['month'])
 597                && !isset($_GET['day'])):
 598         $sql = "SELECT title, url, date_posted, text
 599                   FROM notes WHERE YEAR(date_posted) = ?
 600                 AND MONTH(date_posted) = ?
 601                 ORDER BY date_posted DESC";
 602         $result = $this->query($sql, "dd",
 603                                   $_GET['year'], $_GET['month']);
 604         break;
 605       case (isset($_GET['year']) && isset($_GET['month'])
 606               && isset($_GET['day'])):
 607         $sql = "SELECT title, url, date_posted, text
 608                   FROM notes WHERE YEAR(date_posted) = ?
 609                 AND MONTH(date_posted) = ?
 610                 AND DAY(date_posted) = ?
 611                 ORDER BY date_posted DESC";
 612         $result = $this->query($sql, "ddd",
 613                                 $_GET['year'], $_GET['month'],
 614                                 $_GET['day']);
 615         break;
 616     }
 617     if (count($result) >= 1) {
 618       echo "<div id='notes'>";
 619       foreach ($result as $row => $entry) {
 620         $title = $entry['title'];
 621         $url = '/note/' . $entry['url'];
 622         $date_posted =  explode("-", $entry['date_posted']);
 623         $year_posted = $date_posted[0];
 624         $month_posted = $date_posted[1];
 625         $datetime_posted = explode(' ', $date_posted[2]);
 626         $day_posted = $datetime_posted[0];
 627         echo "<div class='note'>";
 628         echo "<h1><span class='date'>";
 629         echo "$year_posted/$month_posted/$day_posted/";
 630         echo "</span><a href='$url'>$title</a></h1>";
 631         echo $entry['text'];
 632         echo "</div>";
 633       }
 634       echo "</div>";
 635       $this->write_navigation();
 636     } else {
 637       echo "<br>";
 638       echo "<h1>sorry, nothing here</h2>";
 639       echo "<pre>Empty set (0.00 sec)</pre>";
 640     }
 641     $this->display_close();
 642   }
 643
 644   private function write_navigation() {
 645     echo "<br>";
 646     echo "<div id='navigation'>";
 647     // fill me in!
 648     echo "</div>";
 649   }
 650
 651 }
 652
 653
 654 class rss extends cms {
 655   public function display() {
 656     $result = $this->db->query("SELECT date_posted, title, text, url
 657                                           FROM notes ORDER BY date_posted DESC
 658                                           LIMIT 5");
 659           echo <<<END_OF_ENTRY
 660           <rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
 661       <channel>
 662             <title>dylansserver.com/notes/rss</title>
 663                 <link>http://dylansserver.com/notes</link>
 664                 <description>dylansserver.com/notes/rss</description>
 665                 <atom:link href="http://dylansserver.com/notes/rss" rel="self" type="application/rss+xml" />
 666 END_OF_ENTRY;
 667         while ($entry = $result->fetch_object()) {
 668           $title = $entry->title;
 669           $date_posted = $entry->date_posted;
 670           $url = "http://dylansserver.com/note/" . $entry->url;
 671           $text = $entry->text;
 672           $text = strip_tags($text);
 673           $end_of_first_sentence = strpos($text, '.');
 674           if ($end_of_first_sentence) {
 675             $end_of_second_sentence = strpos($text, '.', ($end_of_first_sentence + 1));
 676                 if ($end_of_second_sentence) {
 677                   $description = substr($text, '0', ($end_of_second_sentence + 1));
 678                 } else {
 679                   $description = substr($text, '0', ($end_of_first_sentence + 1));
 680                 }
 681           }
 682           echo <<<END_OF_ENTRY
 683             <item>
 684                   <title>$title</title>
 685                   <link>$url</link>
 686                   <guid>$url</guid>
 687                   <description>$description</description>
 688             </item>
 689 END_OF_ENTRY;
 690         }
 691       echo "</channel>";
 692       echo "</rss>";
 693
 694   }
 695 }
 696
 697
 698 class notFound extends Exception {
 699
 700     public function __construct() {
 701       header('HTTP/1.0 404 Not Found');
 702       ob_end_clean();
 703       include('404.php');
 704       exit();
 705     }
 706
 707 }
 708
 709
 710 class captcha extends cms {
 711
 712     public function display() {
 713       $challenge = $_GET['challenge'];
 714       $response = $_GET['response'];
 715       $remoteip = $_SERVER['REMOTE_ADDR'];
 716       $curl = curl_init('http://api-verify.recaptcha.net/verify?');
 717       curl_setopt ($curl, CURLOPT_POST, 4);
 718       curl_setopt ($curl, CURLOPT_POSTFIELDS, "privatekey=$this->recaptcha_privatekey&remoteip=$remoteip&challenge=$challenge&response=$response");
 719       $result = curl_exec ($curl);
 720       curl_close ($curl);
 721     }
 722
 723 }
 724
 725 ?>