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register.php
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register.php
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<?php
/*
* LimeSurvey
* Copyright (C) 2007 The LimeSurvey Project Team / Carsten Schmitz
* All rights reserved.
* License: GNU/GPL License v2 or later, see LICENSE.php
* LimeSurvey is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*
* $Id: register.php 11664 2011-12-16 05:19:42Z tmswhite $
*/
// Security Checked: POST, GET, SESSION, REQUEST, returnglobal, DB
require_once(dirname(__FILE__).'/classes/core/startup.php'); // Since this file can be directly run
require_once(dirname(__FILE__).'/config-defaults.php');
require_once(dirname(__FILE__).'/common.php');
require_once($rootdir.'/classes/core/language.php');
$surveyid=returnglobal('sid');
$postlang=returnglobal('lang');
//Check that there is a SID
if (!isset($surveyid))
{
//You must have an SID to use this
include "index.php";
exit;
}
$usquery = "SELECT stg_value FROM ".db_table_name("settings_global")." where stg_name='SessionName'";
$usresult = db_execute_assoc($usquery,'',true); //Checked
if ($usresult)
{
$usrow = $usresult->FetchRow();
$stg_SessionName=$usrow['stg_value'];
@session_name($stg_SessionName.'-runtime-'.$surveyid);
}
else
{
session_name("LimeSurveyRuntime-$surveyid");
}
session_set_cookie_params(0,$relativeurl.'/');
session_start();
// Get passed language from form, so that we dont loose this!
if (!isset($postlang) || $postlang == "")
{
$baselang = GetBaseLanguageFromSurveyID($surveyid);
$clang = new limesurvey_lang($baselang);
} else {
$clang = new limesurvey_lang($postlang);
$baselang = $postlang;
}
$thissurvey=getSurveyInfo($surveyid,$baselang);
$register_errormsg = "";
// Check the security question's answer
if (function_exists("ImageCreate") && captcha_enabled('registrationscreen',$thissurvey['usecaptcha']) )
{
if (!isset($_POST['loadsecurity']) ||
!isset($_SESSION['secanswer']) ||
$_POST['loadsecurity'] != $_SESSION['secanswer'])
{
$register_errormsg .= $clang->gT("The answer to the security question is incorrect.")."<br />\n";
}
}
//Check that the email is a valid style address
if (!validate_email(returnglobal('register_email')))
{
$register_errormsg .= $clang->gT("The email you used is not valid. Please try again.");
}
if ($register_errormsg != "")
{
include "index.php";
exit;
}
//Check if this email already exists in token database
$query = "SELECT email FROM {$dbprefix}tokens_$surveyid\n"
. "WHERE email = ".db_quoteall(sanitize_email(returnglobal('register_email')));
$result = $connect->Execute($query) or safe_die ($query."<br />".$connect->ErrorMsg()); //Checked
if (($result->RecordCount()) > 0)
{
$register_errormsg=$clang->gT("The email you used has already been registered.");
include "index.php";
exit;
}
$mayinsert = false;
while ($mayinsert != true)
{
$tlquery = "SELECT tokenlength FROM ".db_table_name("surveys")." WHERE sid=$surveyid";
$tlresult = db_execute_assoc($tlquery);
while ($tlrow = $tlresult->FetchRow())
{
$tokenlength = $tlrow['tokenlength'];
}
$newtoken = sRandomChars($tokenlength);
$ntquery = "SELECT * FROM {$dbprefix}tokens_$surveyid WHERE token='$newtoken'";
$ntresult = $connect->Execute($ntquery); //Checked
if (!$ntresult->RecordCount()) {$mayinsert = true;}
}
$postfirstname=sanitize_xss_string(strip_tags(returnglobal('register_firstname')));
$postlastname=sanitize_xss_string(strip_tags(returnglobal('register_lastname')));
/*$postattribute1=sanitize_xss_string(strip_tags(returnglobal('register_attribute1')));
$postattribute2=sanitize_xss_string(strip_tags(returnglobal('register_attribute2'))); */
//Insert new entry into tokens db
$query = "INSERT INTO {$dbprefix}tokens_$surveyid\n"
. "(firstname, lastname, email, emailstatus, token)\n"
. "VALUES (?, ?, ?, ?, ?)";
$result = $connect->Execute($query, array($postfirstname,
$postlastname,
returnglobal('register_email'),
'OK',
$newtoken)
// $postattribute1, $postattribute2)
) or safe_die ($query."<br />".$connect->ErrorMsg()); //Checked - According to adodb docs the bound variables are quoted automatically
$tid=$connect->Insert_ID("{$dbprefix}tokens_$surveyid","tid");
$fieldsarray["{ADMINNAME}"]=$thissurvey['adminname'];
$fieldsarray["{ADMINEMAIL}"]=$thissurvey['adminemail'];
$fieldsarray["{SURVEYNAME}"]=$thissurvey['name'];
$fieldsarray["{SURVEYDESCRIPTION}"]=$thissurvey['description'];
$fieldsarray["{FIRSTNAME}"]=$postfirstname;
$fieldsarray["{LASTNAME}"]=$postlastname;
$fieldsarray["{EXPIRY}"]=$thissurvey["expiry"];
$fieldsarray["{TOKEN}"]=$newtoken;
$fieldsarray["{SID}"]=$fieldsarray["{SURVEYID}"]=$surveyid;
$message=$thissurvey['email_register'];
$subject=$thissurvey['email_register_subj'];
$from = "{$thissurvey['adminname']} <{$thissurvey['adminemail']}>";
if (getEmailFormat($surveyid) == 'html')
{
$useHtmlEmail = true;
$fieldsarray["{SURVEYURL}"]="<a href='$publicurl/index.php?lang=".$baselang."&sid=$surveyid&token=$newtoken'>".htmlspecialchars("$publicurl/index.php?lang=".$baselang."&sid=$surveyid&token=$newtoken")."</a>";
$fieldsarray["{OPTOUTURL}"]="<a href='$publicurl/optout.php?lang=".$baselang."&sid=$surveyid&token=$newtoken'>".htmlspecialchars("$publicurl/optout.php?lang=".$baselang."&sid=$surveyid&token=$newtoken")."</a>";
}
else
{
$useHtmlEmail = false;
$fieldsarray["{SURVEYURL}"]="$publicurl/index.php?lang=".$baselang."&sid=$surveyid&token=$newtoken";
$fieldsarray["{OPTOUTURL}"]="$publicurl/optout.phplang=".$baselang."&sid=$surveyid&token=$newtoken";
}
$message=ReplaceFields($message, $fieldsarray);
$subject=ReplaceFields($subject, $fieldsarray);
$html=""; //Set variable
if (SendEmailMessage(null, $message, $subject, returnglobal('register_email'), $from, $sitename,$useHtmlEmail,getBounceEmail($surveyid)))
{
// TLR change to put date into sent
// $query = "UPDATE {$dbprefix}tokens_$surveyid\n"
// ."SET sent='Y' WHERE tid=$tid";
$today = date_shift(date("Y-m-d H:i:s"), "Y-m-d H:i", $timeadjust);
$query = "UPDATE {$dbprefix}tokens_$surveyid\n"
."SET sent='$today' WHERE tid=$tid";
$result=$connect->Execute($query) or safe_die ("$query<br />".$connect->ErrorMsg()); //Checked
$html="<center>".$clang->gT("Thank you for registering to participate in this survey.")."<br /><br />\n".$clang->gT("An email has been sent to the address you provided with access details for this survey. Please follow the link in that email to proceed.")."<br /><br />\n".$clang->gT("Survey Administrator")." {ADMINNAME} ({ADMINEMAIL})";
$html=ReplaceFields($html, $fieldsarray);
$html .= "<br /><br /></center>\n";
}
else
{
$html="Email Error";
}
//PRINT COMPLETED PAGE
if (!$thissurvey['template'])
{
$thistpl=sGetTemplatePath(validate_templatedir('default'));
}
else
{
$thistpl=sGetTemplatePath(validate_templatedir($thissurvey['template']));
}
sendcacheheaders();
doHeader();
foreach(file("$thistpl/startpage.pstpl") as $op)
{
echo templatereplace($op);
}
foreach(file("$thistpl/survey.pstpl") as $op)
{
echo "\t".templatereplace($op);
}
echo $html;
foreach(file("$thistpl/endpage.pstpl") as $op)
{
echo templatereplace($op);
}
doFooter();
// Closing PHP tag is intentially left out (yes, it's fine!)