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<?php
/* Copyright 2006, 2007, 2008, 2009, 2010 Arun Persaud <arun@nubati.net>
 *
 *   This file is part of e-DoKo.
 *
 *   e-DoKo is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   e-DoKo 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 General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with e-DoKo.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

/* make sure that we are not called from outside the scripts,
 * use a variable defined in config.php to check this
 */
if(!isset($HOST))
  exit;

/* new user wants to register */
if(myisset("Rfullname","Remail","Rtimezone") )
  {
    global $HOST,$INDEX;

    /* is this name already in use/ */
    $ok=1;
    if(DB_get_userid('name',$_REQUEST['Rfullname']))
      {
	echo "please chose another name<br />";
	$ok=0;
      }
    /* check if email address is already used */
    if(DB_get_userid('email',$_REQUEST['Remail']))
      {
	echo "this email address is already used ?!<br />";
	$ok=0;
      }
    /* need either openid or password */
    if(!myisset('Rpassword')  &&  !myisset('Ropenid'))
      {
	echo "I need either a Password or an Openid url.<br />";
	$ok=0;
      }

    /* check against robots */
    $robots=0; /* at least one anti-robot question needs to be answered */
    if(myisset('Robotproof0'))
      {
	if($_REQUEST['Robotproof0']!=42)
	  $ok=0;
	else
	  $robot=1;
      }
    else if(myisset('Robotproof1'))
      {
	if($_REQUEST['Robotproof1']!=35)
	  $ok=0;
	else
	  $robot=1;
      }
    else if(myisset('Robotproof2'))
      {
	if($_REQUEST['Robotproof2']!=28)
	  $ok=0;
	else
	  $robot=1;
      }
    else if(myisset('Robotproof3'))
      {
	if($_REQUEST['Robotproof3']!=21)
	  $ok=0;
	else
	  $robot=1;
      }
    else if(myisset('Robotproof4'))
      {
	if($_REQUEST['Robotproof4']!=14)
	  $ok=0;
	else
	  $robot=1;
      }
    if($robot==0)
      {
	echo "You answered the math question wrong. <br />\n";
	$ok=0;
      }
    /* everything ok, go ahead and create user */
    if($ok)
      {
	if(myisset('Rpassword'))
	  {
	    $r=DB_query("INSERT INTO User VALUES(NULL,".DB_quote_smart($_REQUEST["Rfullname"]).
			",".DB_quote_smart($_REQUEST["Remail"]).
			",".DB_quote_smart(md5($_REQUEST["Rpassword"])).
			",".DB_quote_smart($_REQUEST["Rtimezone"]).",NULL,NULL)");
	  }
	else if(myisset('Ropenid'))
	  {
	    $password = $_REQUEST["Rfullname"].preg_replace('/([ ])/e', 'chr(rand(33,122))', '               ');
	    $r=DB_query("INSERT INTO User VALUES(NULL,".DB_quote_smart($_REQUEST["Rfullname"]).
			",".DB_quote_smart($_REQUEST["Remail"]).
			",".DB_quote_smart(md5($password)).
			",".DB_quote_smart($_REQUEST["Rtimezone"]).",NULL,NULL)");
	    if($r)
	      {
		include_once('openid.php');
		$myid = DB_get_userid('email',$_REQUEST['Remail']);
		DB_AttachOpenID($_REQUEST['Ropenid'], $myid);
	      }
	  }
	else
	  {
	    echo 'Error during registration, please contact '.$ADMIN_NAME.' at '.$ADMIN_EMAIL;
	  }
	if($r)
	  {
	    /* Set session, so that new user doesn't need to log in */
	    $myname = DB_get_name('email',$_REQUEST['Remail']);
	    $_SESSION["name"] = $myname;

	    echo " Welcome to e-DoKo, you are now registered, please visit the".
	      " <a href=\"".$HOST.$INDEX."\">homepage</a> to continue.";
	  }
	else
	  echo " something went wrong, couldn't add you to the database, please contact $ADMIN_NAME at $ADMIN_EMAIL.";
      }
    else
      {
	echo "Couldn't register you. Please <a href=\"index.php?action=register\">try again</a>! </br />\n";
      }
  }
 else
   {
     /* No information for new user given, ouput a page for registration */

     /* check for openid information */
     $openid_url = '';
     $name	 = '';
     $email	 = '';
     if(myisset('openid_url'))
       $openid_url = $_REQUEST['openid_url'];
     if(myisset('openidname'))
       $name       = $_REQUEST['openidname'];
     if(myisset('openidemail'))
       $email      = $_REQUEST['openidemail'];

     if($openid_url=='')
       echo "<p><br /><strong> IMPORTANT: passwords are going over the net as clear text, so pick an easy password. ".
	 "No need to pick anything complicated here ;)<br />";
     echo "N.B. Your email address will be exposed to other players whom you play games with. ";
     echo "<br /><br /></strong></p>";
     echo '        <form action="index.php?action=register" method="post">';
     echo '          <fieldset>';
     echo '            <legend>Register</legend>';
     echo '             <table>';
     echo '              <tr>';
     echo '               <td><label for="Rfullname">Full name:</label></td>';
     echo "	       <td><input type=\"text\" id=\"Rfullname\" name=\"Rfullname\" size=\"20\" maxlength=\"30\" value=\"$name\" /> </td>";
     echo '              </tr><tr>';
     echo '               <td><label for="Remail">Email:</label></td>';
     echo "	       <td><input type=\"text\" id=\"Remail\" name=\"Remail\" size=\"20\" maxlength=\"30\" value=\"$email\" /></td>";
     echo '              </tr><tr>';
     if($openid_url=='')
       {
	 echo '	       <td><label for="Rpassword">Password(will be displayed in cleartext on the next page):</label></td>';
	 echo '               <td><input type="password" id="Rpassword" name="Rpassword" size="20" maxlength="30" /></td>';
	 echo '              </tr><tr>';
       }
     else
       {
	 echo '	       <td><label for="Ropenid">OpenId:</label></td>';
	 echo '               <td><input type="text" id="Ropenid" name="Ropenid" size="20" maxlength="50" value="'.htmlentities($openid_url).'" /></td>';
	 echo '              </tr><tr>';
       }
     echo '	       <td><label for="Rtimezone">Timezone:</label></td>';
     echo '               <td>';

     output_select_timezone("Rtimezone");
?>
	       </td>
              </tr><tr>
              </tr><tr>
<?php
              /* random number to select robotproof question */
	      $rand_number = mt_rand(0,3); /* to get numbers between 0 and 4  */
              $Robotproof = "Robotproof".$rand_number;
?>
		<td><label for="Robotproof">Please answer this question: <?php echo output_robotproof($rand_number); ?></label></td>
<?php
	 echo "<td><input type=\"text\" id=\"$Robotproof\" name=\"$Robotproof\" size=\"20\" maxlength=\"30\" /></td>\n";
?>
              </tr><tr>
               <td colspan="2"> <input type="submit" value="register" /></td>
              </tr>
             </table>
          </fieldset>
        </form>
<?php
   }
?>