/**
* This function builds all the required session variables when a survey is first started and
* it loads any answer defaults from command line or from the table defaultvalues
* It is called from the related format script (group.php, question.php, survey.php)
* if the survey has just started.
*
* @returns $totalquestions Total number of questions in the survey
*
*/
function buildsurveysession()
{
global $thissurvey, $secerror, $clienttoken;
global $tokensexist, $thistpl;
global $surveyid, $dbprefix, $connect;
global $register_errormsg, $clang;
global $totalBoilerplatequestions;
global $templang, $move, $rooturl, $publicurl;
if (!isset($templang) || $templang == '') {
$templang = $thissurvey['language'];
}
$totalBoilerplatequestions = 0;
// NO TOKEN REQUIRED BUT CAPTCHA ENABLED FOR SURVEY ACCESS
if ($tokensexist == 0 && captcha_enabled('surveyaccessscreen', $thissurvey['usecaptcha'])) {
// IF CAPTCHA ANSWER IS NOT CORRECT OR NOT SET
if (!isset($_GET['loadsecurity']) || !isset($_SESSION['secanswer']) || $_GET['loadsecurity'] != $_SESSION['secanswer']) {
sendcacheheaders();
doHeader();
// No or bad answer to required security question
echo templatereplace(file_get_contents("{$thistpl}/startpage.pstpl"));
//echo makedropdownlist();
echo templatereplace(file_get_contents("{$thistpl}/survey.pstpl"));
if (isset($_GET['loadsecurity'])) {
// was a bad answer
echo "<font color='#FF0000'>" . $clang->gT("The answer to the security question is incorrect.") . "</font><br />";
}
echo "<p class='captcha'>" . $clang->gT("Please confirm access to survey by answering the security question below and click continue.") . "</p>\n\t\t\t <form class='captcha' method='get' action='{$publicurl}/index.php'>\n\t\t\t <table align='center'>\n\t\t\t\t <tr>\n\t\t\t\t\t <td align='right' valign='middle'>\n\t\t\t\t\t <input type='hidden' name='sid' value='" . $surveyid . "' id='sid' />\n\t\t\t\t\t <input type='hidden' name='lang' value='" . $templang . "' id='lang' />";
// In case we this is a direct Reload previous answers URL, then add hidden fields
if (isset($_GET['loadall']) && isset($_GET['scid']) && isset($_GET['loadname']) && isset($_GET['loadpass'])) {
echo "\n\t\t\t\t\t\t<input type='hidden' name='loadall' value='" . htmlspecialchars($_GET['loadall']) . "' id='loadall' />\n\t\t\t\t\t\t<input type='hidden' name='scid' value='" . returnglobal('scid') . "' id='scid' />\n\t\t\t\t\t\t<input type='hidden' name='loadname' value='" . htmlspecialchars($_GET['loadname']) . "' id='loadname' />\n\t\t\t\t\t\t<input type='hidden' name='loadpass' value='" . htmlspecialchars($_GET['loadpass']) . "' id='loadpass' />";
}
echo "\n\t\t\t\t </td>\n\t\t\t </tr>";
if (function_exists("ImageCreate") && captcha_enabled('surveyaccessscreen', $thissurvey['usecaptcha'])) {
echo "<tr>\n\t\t\t\t <td align='center' valign='middle'><label for='captcha'>" . $clang->gT("Security question:") . "</label></td><td align='left' valign='middle'><table><tr><td valign='middle'><img src='{$rooturl}/verification.php?sid={$surveyid}' alt='captcha' /></td>\n <td valign='middle'><input id='captcha' type='text' size='5' maxlength='3' name='loadsecurity' value='' /></td></tr></table>\n\t\t\t\t </td>\n\t\t\t </tr>";
}
echo "<tr><td colspan='2' align='center'><input class='submit' type='submit' value='" . $clang->gT("Continue") . "' /></td></tr>\n\t\t </table>\n\t\t </form>";
echo templatereplace(file_get_contents("{$thistpl}/endpage.pstpl"));
doFooter();
exit;
}
}
//BEFORE BUILDING A NEW SESSION FOR THIS SURVEY, LET'S CHECK TO MAKE SURE THE SURVEY SHOULD PROCEED!
// TOKEN REQUIRED BUT NO TOKEN PROVIDED
if ($tokensexist == 1 && !returnglobal('token')) {
// DISPLAY REGISTER-PAGE if needed
// DISPLAY CAPTCHA if needed
sendcacheheaders();
doHeader();
echo templatereplace(file_get_contents("{$thistpl}/startpage.pstpl"));
//echo makedropdownlist();
echo templatereplace(file_get_contents("{$thistpl}/survey.pstpl"));
if (isset($thissurvey) && $thissurvey['allowregister'] == "Y") {
echo templatereplace(file_get_contents("{$thistpl}/register.pstpl"));
} else {
if (isset($secerror)) {
echo "<span class='error'>" . $secerror . "</span><br />";
}
echo '<div id="wrapper"><p id="tokenmessage">' . $clang->gT("This is a controlled survey. You need a valid token to participate.") . "<br />";
echo $clang->gT("If you have been issued a token, please enter it in the box below and click continue.") . "</p>\n <script type='text/javascript'>var focus_element='#token';</script>\n\t <form id='tokenform' method='get' action='{$publicurl}/index.php'>\n\n <ul>\n <li>\n <label for='token'>" . $clang->gT("Token") . "</label><input class='text' id='token' type='text' name='token' />\n <input type='hidden' name='sid' value='" . $surveyid . "' id='sid' />\n\t\t\t\t<input type='hidden' name='lang' value='" . $templang . "' id='lang' />";
if (isset($_GET['newtest']) && ($_GET['newtest'] = "Y")) {
echo " <input type='hidden' name='newtest' value='Y' id='newtest' />";
}
// If this is a direct Reload previous answers URL, then add hidden fields
if (isset($_GET['loadall']) && isset($_GET['scid']) && isset($_GET['loadname']) && isset($_GET['loadpass'])) {
echo "\n\t\t\t\t\t<input type='hidden' name='loadall' value='" . htmlspecialchars($_GET['loadall']) . "' id='loadall' />\n\t\t\t\t\t<input type='hidden' name='scid' value='" . returnglobal('scid') . "' id='scid' />\n\t\t\t\t\t<input type='hidden' name='loadname' value='" . htmlspecialchars($_GET['loadname']) . "' id='loadname' />\n\t\t\t\t\t<input type='hidden' name='loadpass' value='" . htmlspecialchars($_GET['loadpass']) . "' id='loadpass' />";
}
echo "</li>";
if (function_exists("ImageCreate") && captcha_enabled('surveyaccessscreen', $thissurvey['usecaptcha'])) {
echo "<li>\n\t\t\t <label for='captchaimage'>" . $clang->gT("Security Question") . "</label><img id='captchaimage' src='{$rooturl}/verification.php?sid={$surveyid}' alt='captcha' /><input type='text' size='5' maxlength='3' name='loadsecurity' value='' />\n\t\t </li>";
}
echo "<li>\n <input class='submit' type='submit' value='" . $clang->gT("Continue") . "' />\n </li>\n </ul>\n\t </form></div>";
}
echo templatereplace(file_get_contents("{$thistpl}/endpage.pstpl"));
doFooter();
exit;
} elseif ($tokensexist == 1 && returnglobal('token') && !captcha_enabled('surveyaccessscreen', $thissurvey['usecaptcha'])) {
//check if token actually does exist
$tkquery = "SELECT COUNT(*) FROM " . db_table_name('tokens_' . $surveyid) . " WHERE token='" . db_quote(trim(strip_tags(returnglobal('token')))) . "' AND (completed = 'N' or completed='')";
$tkresult = db_execute_num($tkquery);
//Checked
list($tkexist) = $tkresult->FetchRow();
if (!$tkexist) {
//TOKEN DOESN'T EXIST OR HAS ALREADY BEEN USED. EXPLAIN PROBLEM AND EXIT
killSession();
sendcacheheaders();
doHeader();
echo templatereplace(file_get_contents("{$thistpl}/startpage.pstpl"));
echo templatereplace(file_get_contents("{$thistpl}/survey.pstpl"));
echo '<div id="wrapper"><p id="tokenmessage">' . $clang->gT("This is a controlled survey. You need a valid token to participate.") . "<br /><br />\n" . "\t" . $clang->gT("The token you have provided is either not valid, or has already been used.") . "<br />\n" . "\t" . sprintf($clang->gT("For further information contact %s"), $thissurvey['adminname']) . " (<a href='mailto:{$thissurvey['adminemail']}'>" . "{$thissurvey['adminemail']}</a>)</p></div>\n";
echo templatereplace(file_get_contents("{$thistpl}/endpage.pstpl"));
doFooter();
exit;
}
} elseif ($tokensexist == 1 && returnglobal('token') && captcha_enabled('surveyaccessscreen', $thissurvey['usecaptcha'])) {
// IF CAPTCHA ANSWER IS CORRECT
if (isset($_GET['loadsecurity']) && isset($_SESSION['secanswer']) && $_GET['loadsecurity'] == $_SESSION['secanswer']) {
//check if token actually does exist
$tkquery = "SELECT COUNT(*) FROM " . db_table_name('tokens_' . $surveyid) . " WHERE token='" . db_quote(trim(sanitize_xss_string(strip_tags(returnglobal('token'))))) . "' AND (completed = 'N' or completed='')";
$tkresult = db_execute_num($tkquery);
//Checked
list($tkexist) = $tkresult->FetchRow();
if (!$tkexist) {
sendcacheheaders();
doHeader();
//TOKEN DOESN'T EXIST OR HAS ALREADY BEEN USED. EXPLAIN PROBLEM AND EXIT
echo templatereplace(file_get_contents("{$thistpl}/startpage.pstpl"));
echo templatereplace(file_get_contents("{$thistpl}/survey.pstpl"));
echo "\t<center><br />\n" . "\t" . $clang->gT("This is a controlled survey. You need a valid token to participate.") . "<br /><br />\n" . "\t" . $clang->gT("The token you have provided is either not valid, or has already been used.") . "<br/>\n" . "\t" . sprintf($clang->gT("For further information contact %s"), $thissurvey['adminname']) . " (<a href='mailto:{$thissurvey['adminemail']}'>" . "{$thissurvey['adminemail']}</a>)<br /><br />\n";
echo templatereplace(file_get_contents("{$thistpl}/endpage.pstpl"));
doFooter();
exit;
}
} else {
if (!isset($move) || is_null($move)) {
$gettoken = $clienttoken;
sendcacheheaders();
doHeader();
// No or bad answer to required security question
echo templatereplace(file_get_contents("{$thistpl}/startpage.pstpl"));
echo templatereplace(file_get_contents("{$thistpl}/survey.pstpl"));
// If token wasn't provided and public registration
// is enabled then show registration form
if (!isset($gettoken) && isset($thissurvey) && $thissurvey['allowregister'] == "Y") {
echo templatereplace(file_get_contents("{$thistpl}/register.pstpl"));
} else {
// only show CAPTCHA
echo '<div id="wrapper"><p id="tokenmessage">';
if (isset($_GET['loadsecurity'])) {
// was a bad answer
echo "<span class='error'>" . $clang->gT("The answer to the security question is incorrect.") . "</span><br />";
}
echo $clang->gT("This is a controlled survey. You need a valid token to participate.") . "<br /><br />";
// IF TOKEN HAS BEEN GIVEN THEN AUTOFILL IT
// AND HIDE ENTRY FIELD
if (!isset($gettoken)) {
echo $clang->gT("If you have been issued with a token, please enter it in the box below and click continue.") . "</p>\n\t\t\t <form id='tokenform' method='get' action='{$publicurl}/index.php'>\n <ul>\n <li>\n\t\t\t\t\t <input type='hidden' name='sid' value='" . $surveyid . "' id='sid' />\n\t\t\t\t\t\t <input type='hidden' name='lang' value='" . $templang . "' id='lang' />";
if (isset($_GET['loadall']) && isset($_GET['scid']) && isset($_GET['loadname']) && isset($_GET['loadpass'])) {
echo "<input type='hidden' name='loadall' value='" . htmlspecialchars($_GET['loadall']) . "' id='loadall' />\n\t\t\t\t\t\t <input type='hidden' name='scid' value='" . returnglobal('scid') . "' id='scid' />\n\t\t\t\t\t\t <input type='hidden' name='loadname' value='" . htmlspecialchars($_GET['loadname']) . "' id='loadname' />\n\t\t\t\t\t\t <input type='hidden' name='loadpass' value='" . htmlspecialchars($_GET['loadpass']) . "' id='loadpass' />";
}
echo '<label for="token">' . $clang->gT("Token") . "</label><input class='text' type='text' id=token name='token'></li>";
} else {
echo $clang->gT("Please confirm the token by answering the security question below and click continue.") . "</p>\n\t\t\t <form id='tokenform' method='get' action='{$publicurl}/index.php'>\n <ul>\n\t\t\t <li>\n\t\t\t\t\t <input type='hidden' name='sid' value='" . $surveyid . "' id='sid' />\n\t\t\t\t\t\t <input type='hidden' name='lang' value='" . $templang . "' id='lang' />";
if (isset($_GET['loadall']) && isset($_GET['scid']) && isset($_GET['loadname']) && isset($_GET['loadpass'])) {
echo "<input type='hidden' name='loadall' value='" . htmlspecialchars($_GET['loadall']) . "' id='loadall' />\n <input type='hidden' name='scid' value='" . returnglobal('scid') . "' id='scid' />\n <input type='hidden' name='loadname' value='" . htmlspecialchars($_GET['loadname']) . "' id='loadname' />\n <input type='hidden' name='loadpass' value='" . htmlspecialchars($_GET['loadpass']) . "' id='loadpass' />";
}
echo '<label for="token">' . $clang->gT("Token:") . "</label><span id=token>{$gettoken}</span>" . "<input type='hidden' name='token' value='{$gettoken}'></li>";
}
if (function_exists("ImageCreate") && captcha_enabled('surveyaccessscreen', $thissurvey['usecaptcha'])) {
echo "<li>\n <label for='captchaimage'>" . $clang->gT("Security Question") . "</label><img id='captchaimage' src='{$rooturl}/verification.php?sid={$surveyid}' alt='captcha' /><input type='text' size='5' maxlength='3' name='loadsecurity' value='' />\n </li>";
}
echo "<li><input class='submit' type='submit' value='" . $clang->gT("Continue") . "' /></li>\n\t\t </ul>\n\t\t </form>\n\t\t </id>";
}
echo '</div>' . templatereplace(file_get_contents("{$thistpl}/endpage.pstpl"));
doFooter();
exit;
}
}
}
//RESET ALL THE SESSION VARIABLES AND START AGAIN
unset($_SESSION['grouplist']);
unset($_SESSION['fieldarray']);
unset($_SESSION['insertarray']);
unset($_SESSION['thistoken']);
unset($_SESSION['fieldnamesInfo']);
$_SESSION['fieldnamesInfo'] = array();
//RL: multilingual support
if (isset($_GET['token']) && db_tables_exist($dbprefix . 'tokens_' . $surveyid)) {
//get language from token (if one exists)
$tkquery2 = "SELECT * FROM " . db_table_name('tokens_' . $surveyid) . " WHERE token='" . db_quote($clienttoken) . "' AND (completed = 'N' or completed='')";
//echo $tkquery2;
$result = db_execute_assoc($tkquery2) or safe_die("Couldn't get tokens<br />{$tkquery}<br />" . $connect->ErrorMsg());
//Checked
while ($rw = $result->FetchRow()) {
$tklanguage = $rw['language'];
}
}
if (returnglobal('lang')) {
$language_to_set = returnglobal('lang');
} elseif (isset($tklanguage)) {
$language_to_set = $tklanguage;
} else {
$language_to_set = $thissurvey['language'];
}
if (!isset($_SESSION['s_lang'])) {
SetSurveyLanguage($surveyid, $language_to_set);
}
UpdateSessionGroupList($_SESSION['s_lang']);
// Optimized Query
// Change query to use sub-select to see if conditions exist.
$query = "SELECT " . db_table_name('questions') . ".*, " . db_table_name('groups') . ".*,\n" . " (SELECT count(1) FROM " . db_table_name('conditions') . "\n" . " WHERE " . db_table_name('questions') . ".qid = " . db_table_name('conditions') . ".qid) AS hasconditions,\n" . " (SELECT count(1) FROM " . db_table_name('conditions') . "\n" . " WHERE " . db_table_name('questions') . ".qid = " . db_table_name('conditions') . ".cqid) AS usedinconditions\n" . " FROM " . db_table_name('groups') . " INNER JOIN " . db_table_name('questions') . " ON " . db_table_name('groups') . ".gid = " . db_table_name('questions') . ".gid\n" . " WHERE " . db_table_name('questions') . ".sid=" . $surveyid . "\n" . " AND " . db_table_name('groups') . ".language='" . $_SESSION['s_lang'] . "'\n" . " AND " . db_table_name('questions') . ".language='" . $_SESSION['s_lang'] . "'\n" . " AND " . db_table_name('questions') . ".parent_qid=0\n" . " ORDER BY " . db_table_name('groups') . ".group_order," . db_table_name('questions') . ".question_order";
//var_dump($_SESSION);
$result = db_execute_assoc($query);
//Checked
$arows = $result->GetRows();
$totalquestions = $result->RecordCount();
//2. SESSION VARIABLE: totalsteps
//The number of "pages" that will be presented in this survey
//The number of pages to be presented will differ depending on the survey format
switch ($thissurvey['format']) {
case "A":
$_SESSION['totalsteps'] = 1;
break;
case "G":
if (isset($_SESSION['grouplist'])) {
$_SESSION['totalsteps'] = count($_SESSION['grouplist']);
}
break;
case "S":
$_SESSION['totalsteps'] = $totalquestions;
}
if ($totalquestions == "0") {
sendcacheheaders();
doHeader();
echo templatereplace(file_get_contents("{$thistpl}/startpage.pstpl"));
echo templatereplace(file_get_contents("{$thistpl}/survey.pstpl"));
echo "\t<center><br />\n" . "\t" . $clang->gT("This survey does not yet have any questions and cannot be tested or completed.") . "<br /><br />\n" . "\t" . sprintf($clang->gT("For further information contact %s"), $thissurvey['adminname']) . " (<a href='mailto:{$thissurvey['adminemail']}'>" . "{$thissurvey['adminemail']}</a>)<br /><br />\n";
echo templatereplace(file_get_contents("{$thistpl}/endpage.pstpl"));
doFooter();
exit;
}
//Perform a case insensitive natural sort on group name then question title of a multidimensional array
// usort($arows, 'GroupOrderThenQuestionOrder');
//3. SESSION VARIABLE - insertarray
//An array containing information about used to insert the data into the db at the submit stage
//4. SESSION VARIABLE - fieldarray
//See rem at end..
$_SESSION['token'] = $clienttoken;
if ($thissurvey['private'] == "N") {
$_SESSION['insertarray'][] = "token";
}
if ($tokensexist == 1 && $thissurvey['private'] == "N" && db_tables_exist($dbprefix . 'tokens_' . $surveyid)) {
//Gather survey data for "non anonymous" surveys, for use in presenting questions
$_SESSION['thistoken'] = getTokenData($surveyid, $clienttoken);
}
$qtypes = getqtypelist('', 'array');
$fieldmap = createFieldMap($surveyid, 'full', false, false, $_SESSION['s_lang']);
$_SESSION['fieldmap'] = $fieldmap;
foreach ($fieldmap as $field) {
if ($field['qid'] != '') {
$_SESSION['fieldnamesInfo'][$field['fieldname']] = $field['sid'] . 'X' . $field['gid'] . 'X' . $field['qid'];
$_SESSION['insertarray'][] = $field['fieldname'];
//fieldarray ARRAY CONTENTS -
// [0]=questions.qid,
// [1]=fieldname,
// [2]=questions.title,
// [3]=questions.question
// [4]=questions.type,
// [5]=questions.gid,
// [6]=questions.mandatory,
// [7]=conditionsexist,
// [8]=usedinconditions
if (!isset($_SESSION['fieldarray'][$field['sid'] . 'X' . $field['gid'] . 'X' . $field['qid']])) {
$_SESSION['fieldarray'][$field['sid'] . 'X' . $field['gid'] . 'X' . $field['qid']] = array($field['qid'], $field['sid'] . 'X' . $field['gid'] . 'X' . $field['qid'], $field['title'], $field['question'], $field['type'], $field['gid'], $field['mandatory'], $field['hasconditions'], $field['usedinconditions']);
}
}
}
// Prefill question/answer from defaultvalues
foreach ($fieldmap as $field) {
if (isset($field['defaultvalue'])) {
$_SESSION[$field['fieldname']] = $field['defaultvalue'];
}
}
// Prefill questions/answers from command line params
if (isset($_SESSION['insertarray'])) {
foreach ($_SESSION['insertarray'] as $field) {
if (isset($_GET[$field]) && $field != 'token') {
$_SESSION[$field] = $_GET[$field];
}
}
}
$_SESSION['fieldarray'] = array_values($_SESSION['fieldarray']);
// Check if the current survey language is set - if not set it
// this way it can be changed later (for example by a special question type)
//Check if a passthru label and value have been included in the query url
if (isset($_GET['passthru']) && $_GET['passthru'] != "") {
if (isset($_GET[$_GET['passthru']]) && $_GET[$_GET['passthru']] != "") {
$_SESSION['passthrulabel'] = $_GET['passthru'];
$_SESSION['passthruvalue'] = $_GET[$_GET['passthru']];
}
}
return $totalquestions;
}
die('Cannot connect to database');
}
$query = 'SELECT user_id FROM `validsessions` WHERE session_id = "' . $sessid . '"';
$result = mysqli_query($con, $query);
if (!$result) {
die('Error connecting to database.');
}
if (mysqli_num_rows($result) == 0) {
killSession();
} else {
$_SESSION['LAST_ACTIVITY'] = time();
// update last activity on success
}
}
} else {
killSession();
}
function killSession()
{
session_unset();
// unset $_SESSION variable for the run-time
session_destroy();
// destroy session data in storage
if (isset($_COOKIE['PHPSESSID'])) {
setcookie('PHPSESSID', null, time() - 3600);
//kill cookie
unset($_COOKIE['PHPSESSID']);
echo '<script>killSess();</script>';
//kill session via javascript
}
header('Location: ../login.php?loggedout=yes');
/**
* This function builds all the required session variables when a survey is first started and
* it loads any answer defaults from command line or from the table defaultvalues
* It is called from the related format script (group.php, question.php, survey.php)
* if the survey has just started.
*
* @returns $totalquestions Total number of questions in the survey
*
*/
function buildsurveysession()
{
global $thissurvey, $secerror, $clienttoken, $databasetype;
global $tokensexist, $thistpl;
global $surveyid, $dbprefix, $connect;
global $register_errormsg, $clang;
global $totalBoilerplatequestions;
global $templang, $move, $rooturl, $publicurl;
if (!isset($templang) || $templang == '') {
$templang = $thissurvey['language'];
}
$totalBoilerplatequestions = 0;
$loadsecurity = returnglobal('loadsecurity');
// NO TOKEN REQUIRED BUT CAPTCHA ENABLED FOR SURVEY ACCESS
if ($tokensexist == 0 && captcha_enabled('surveyaccessscreen', $thissurvey['usecaptcha'])) {
// IF CAPTCHA ANSWER IS NOT CORRECT OR NOT SET
if (!isset($loadsecurity) || !isset($_SESSION['secanswer']) || $loadsecurity != $_SESSION['secanswer']) {
sendcacheheaders();
doHeader();
// No or bad answer to required security question
echo templatereplace(file_get_contents("{$thistpl}/startpage.pstpl"));
//echo makedropdownlist();
echo templatereplace(file_get_contents("{$thistpl}/survey.pstpl"));
if (isset($loadsecurity)) {
// was a bad answer
echo "<font color='#FF0000'>" . $clang->gT("The answer to the security question is incorrect.") . "</font><br />";
}
echo "<p class='captcha'>" . $clang->gT("Please confirm access to survey by answering the security question below and click continue.") . "</p>\n\t\t\t <form class='captcha' method='get' action='{$publicurl}/index.php'>\n\t\t\t <table align='center'>\n\t\t\t\t <tr>\n\t\t\t\t\t <td align='right' valign='middle'>\n\t\t\t\t\t <input type='hidden' name='sid' value='" . $surveyid . "' id='sid' />\n\t\t\t\t\t <input type='hidden' name='lang' value='" . $templang . "' id='lang' />";
// In case we this is a direct Reload previous answers URL, then add hidden fields
if (isset($_GET['loadall']) && isset($_GET['scid']) && isset($_GET['loadname']) && isset($_GET['loadpass'])) {
echo "\n\t\t\t\t\t\t<input type='hidden' name='loadall' value='" . htmlspecialchars($_GET['loadall']) . "' id='loadall' />\n\t\t\t\t\t\t<input type='hidden' name='scid' value='" . returnglobal('scid') . "' id='scid' />\n\t\t\t\t\t\t<input type='hidden' name='loadname' value='" . htmlspecialchars($_GET['loadname']) . "' id='loadname' />\n\t\t\t\t\t\t<input type='hidden' name='loadpass' value='" . htmlspecialchars($_GET['loadpass']) . "' id='loadpass' />";
}
echo "\n\t\t\t\t </td>\n\t\t\t </tr>";
if (function_exists("ImageCreate") && captcha_enabled('surveyaccessscreen', $thissurvey['usecaptcha'])) {
echo "<tr>\n\t\t\t\t <td align='center' valign='middle'><label for='captcha'>" . $clang->gT("Security question:") . "</label></td><td align='left' valign='middle'><table><tr><td valign='middle'><img src='{$rooturl}/verification.php?sid={$surveyid}' alt='captcha' /></td>\n <td valign='middle'><input id='captcha' type='text' size='5' maxlength='3' name='loadsecurity' value='' /></td></tr></table>\n\t\t\t\t </td>\n\t\t\t </tr>";
}
echo "<tr><td colspan='2' align='center'><input class='submit' type='submit' value='" . $clang->gT("Continue") . "' /></td></tr>\n\t\t </table>\n\t\t </form>";
echo templatereplace(file_get_contents("{$thistpl}/endpage.pstpl"));
doFooter();
exit;
}
}
//BEFORE BUILDING A NEW SESSION FOR THIS SURVEY, LET'S CHECK TO MAKE SURE THE SURVEY SHOULD PROCEED!
// TOKEN REQUIRED BUT NO TOKEN PROVIDED
if ($tokensexist == 1 && !returnglobal('token')) {
if ($thissurvey['nokeyboard'] == 'Y') {
vIncludeKeypad();
$kpclass = "text-keypad";
} else {
$kpclass = "";
}
// DISPLAY REGISTER-PAGE if needed
// DISPLAY CAPTCHA if needed
sendcacheheaders();
doHeader();
echo templatereplace(file_get_contents("{$thistpl}/startpage.pstpl"));
//echo makedropdownlist();
echo templatereplace(file_get_contents("{$thistpl}/survey.pstpl"));
if (isset($thissurvey) && $thissurvey['allowregister'] == "Y") {
echo templatereplace(file_get_contents("{$thistpl}/register.pstpl"));
} else {
if (isset($secerror)) {
echo "<span class='error'>" . $secerror . "</span><br />";
}
echo '<div id="wrapper"><p id="tokenmessage">' . $clang->gT("This is a controlled survey. You need a valid token to participate.") . "<br />";
echo $clang->gT("If you have been issued a token, please enter it in the box below and click continue.") . "</p>\n <script type='text/javascript'>var focus_element='#token';</script>\n\t <form id='tokenform' method='get' action='{$publicurl}/index.php'>\n <ul>\n <li>\n <label for='token'>" . $clang->gT("Token") . "</label><input class='text {$kpclass}' id='token' type='text' name='token' />";
echo "<input type='hidden' name='sid' value='" . $surveyid . "' id='sid' />\n\t\t\t\t<input type='hidden' name='lang' value='" . $templang . "' id='lang' />";
if (isset($_GET['newtest']) && $_GET['newtest'] == "Y") {
echo " <input type='hidden' name='newtest' value='Y' id='newtest' />";
}
// If this is a direct Reload previous answers URL, then add hidden fields
if (isset($_GET['loadall']) && isset($_GET['scid']) && isset($_GET['loadname']) && isset($_GET['loadpass'])) {
echo "\n\t\t\t\t\t<input type='hidden' name='loadall' value='" . htmlspecialchars($_GET['loadall']) . "' id='loadall' />\n\t\t\t\t\t<input type='hidden' name='scid' value='" . returnglobal('scid') . "' id='scid' />\n\t\t\t\t\t<input type='hidden' name='loadname' value='" . htmlspecialchars($_GET['loadname']) . "' id='loadname' />\n\t\t\t\t\t<input type='hidden' name='loadpass' value='" . htmlspecialchars($_GET['loadpass']) . "' id='loadpass' />";
}
echo "</li>";
if (function_exists("ImageCreate") && captcha_enabled('surveyaccessscreen', $thissurvey['usecaptcha'])) {
echo "<li>\n\t\t\t <label for='captchaimage'>" . $clang->gT("Security Question") . "</label><img id='captchaimage' src='{$rooturl}/verification.php?sid={$surveyid}' alt='captcha' /><input type='text' size='5' maxlength='3' name='loadsecurity' value='' />\n\t\t </li>";
}
echo "<li>\n <input class='submit' type='submit' value='" . $clang->gT("Continue") . "' />\n </li>\n </ul>\n\t </form></div>";
}
echo templatereplace(file_get_contents("{$thistpl}/endpage.pstpl"));
doFooter();
exit;
} elseif ($tokensexist == 1 && returnglobal('token') && !captcha_enabled('surveyaccessscreen', $thissurvey['usecaptcha'])) {
//check if tokens actually haven't been already used
$areTokensUsed = usedTokens(db_quote(trim(strip_tags(returnglobal('token')))));
//check if token actually does exist
// check also if it is allowed to change survey after completion
if ($thissurvey['alloweditaftercompletion'] == 'Y') {
$tkquery = "SELECT COUNT(*) FROM " . db_table_name('tokens_' . $surveyid) . " WHERE token='" . db_quote(trim(strip_tags(returnglobal('token')))) . "' ";
} else {
$tkquery = "SELECT COUNT(*) FROM " . db_table_name('tokens_' . $surveyid) . " WHERE token='" . db_quote(trim(strip_tags(returnglobal('token')))) . "' AND (completed = 'N' or completed='')";
}
$tkresult = db_execute_num($tkquery);
//Checked
list($tkexist) = $tkresult->FetchRow();
if (!$tkexist || $areTokensUsed && $thissurvey['alloweditaftercompletion'] != 'Y') {
//TOKEN DOESN'T EXIST OR HAS ALREADY BEEN USED. EXPLAIN PROBLEM AND EXIT
killSession();
sendcacheheaders();
doHeader();
echo templatereplace(file_get_contents("{$thistpl}/startpage.pstpl"));
echo templatereplace(file_get_contents("{$thistpl}/survey.pstpl"));
echo '<div id="wrapper"><p id="tokenmessage">' . $clang->gT("This is a controlled survey. You need a valid token to participate.") . "<br /><br />\n" . "\t" . $clang->gT("The token you have provided is either not valid, or has already been used.") . "<br />\n" . "\t" . sprintf($clang->gT("For further information please contact %s"), $thissurvey['adminname']) . " (<a href='mailto:{$thissurvey['adminemail']}'>" . "{$thissurvey['adminemail']}</a>)</p></div>\n";
echo templatereplace(file_get_contents("{$thistpl}/endpage.pstpl"));
doFooter();
exit;
}
} elseif ($tokensexist == 1 && returnglobal('token') && captcha_enabled('surveyaccessscreen', $thissurvey['usecaptcha'])) {
// IF CAPTCHA ANSWER IS CORRECT
if (isset($loadsecurity) && isset($_SESSION['secanswer']) && $loadsecurity == $_SESSION['secanswer']) {
//check if tokens actually haven't been already used
$areTokensUsed = usedTokens(db_quote(trim(strip_tags(returnglobal('token')))));
//check if token actually does exist
if ($thissurvey['alloweditaftercompletion'] == 'Y') {
$tkquery = "SELECT COUNT(*) FROM " . db_table_name('tokens_' . $surveyid) . " WHERE token='" . db_quote(trim(sanitize_xss_string(strip_tags(returnglobal('token'))))) . "'";
} else {
$tkquery = "SELECT COUNT(*) FROM " . db_table_name('tokens_' . $surveyid) . " WHERE token='" . db_quote(trim(sanitize_xss_string(strip_tags(returnglobal('token'))))) . "' AND (completed = 'N' or completed='')";
}
$tkresult = db_execute_num($tkquery);
//Checked
list($tkexist) = $tkresult->FetchRow();
if (!$tkexist || $areTokensUsed && $thissurvey['alloweditaftercompletion'] != 'Y') {
sendcacheheaders();
doHeader();
//TOKEN DOESN'T EXIST OR HAS ALREADY BEEN USED. EXPLAIN PROBLEM AND EXIT
echo templatereplace(file_get_contents("{$thistpl}/startpage.pstpl"));
echo templatereplace(file_get_contents("{$thistpl}/survey.pstpl"));
echo "\t<div id='wrapper'>\n" . "\t<p id='tokenmessage'>\n" . "\t" . $clang->gT("This is a controlled survey. You need a valid token to participate.") . "<br /><br />\n" . "\t" . $clang->gT("The token you have provided is either not valid, or has already been used.") . "<br/>\n" . "\t" . sprintf($clang->gT("For further information please contact %s"), $thissurvey['adminname']) . " (<a href='mailto:{$thissurvey['adminemail']}'>" . "{$thissurvey['adminemail']}</a>)\n" . "\t</p>\n" . "\t</div>\n";
echo templatereplace(file_get_contents("{$thistpl}/endpage.pstpl"));
doFooter();
exit;
}
} else {
if (!isset($move) || is_null($move)) {
$gettoken = $clienttoken;
sendcacheheaders();
doHeader();
// No or bad answer to required security question
echo templatereplace(file_get_contents("{$thistpl}/startpage.pstpl"));
echo templatereplace(file_get_contents("{$thistpl}/survey.pstpl"));
// If token wasn't provided and public registration
// is enabled then show registration form
if (!isset($gettoken) && isset($thissurvey) && $thissurvey['allowregister'] == "Y") {
echo templatereplace(file_get_contents("{$thistpl}/register.pstpl"));
} else {
// only show CAPTCHA
echo '<div id="wrapper"><p id="tokenmessage">';
if (isset($loadsecurity)) {
// was a bad answer
echo "<span class='error'>" . $clang->gT("The answer to the security question is incorrect.") . "</span><br />";
}
echo $clang->gT("This is a controlled survey. You need a valid token to participate.") . "<br /><br />";
// IF TOKEN HAS BEEN GIVEN THEN AUTOFILL IT
// AND HIDE ENTRY FIELD
if (!isset($gettoken)) {
echo $clang->gT("If you have been issued a token, please enter it in the box below and click continue.") . "</p>\n\t\t\t <form id='tokenform' method='get' action='{$publicurl}/index.php'>\n <ul>\n <li>\n\t\t\t\t\t <input type='hidden' name='sid' value='" . $surveyid . "' id='sid' />\n\t\t\t\t\t\t <input type='hidden' name='lang' value='" . $templang . "' id='lang' />";
if (isset($_GET['loadall']) && isset($_GET['scid']) && isset($_GET['loadname']) && isset($_GET['loadpass'])) {
echo "<input type='hidden' name='loadall' value='" . htmlspecialchars($_GET['loadall']) . "' id='loadall' />\n\t\t\t\t\t\t <input type='hidden' name='scid' value='" . returnglobal('scid') . "' id='scid' />\n\t\t\t\t\t\t <input type='hidden' name='loadname' value='" . htmlspecialchars($_GET['loadname']) . "' id='loadname' />\n\t\t\t\t\t\t <input type='hidden' name='loadpass' value='" . htmlspecialchars($_GET['loadpass']) . "' id='loadpass' />";
}
echo '<label for="token">' . $clang->gT("Token") . "</label><input class='text' type='text' id='token' name='token'></li>";
} else {
echo $clang->gT("Please confirm the token by answering the security question below and click continue.") . "</p>\n\t\t\t <form id='tokenform' method='get' action='{$publicurl}/index.php'>\n <ul>\n\t\t\t <li>\n\t\t\t\t\t <input type='hidden' name='sid' value='" . $surveyid . "' id='sid' />\n\t\t\t\t\t\t <input type='hidden' name='lang' value='" . $templang . "' id='lang' />";
if (isset($_GET['loadall']) && isset($_GET['scid']) && isset($_GET['loadname']) && isset($_GET['loadpass'])) {
echo "<input type='hidden' name='loadall' value='" . htmlspecialchars($_GET['loadall']) . "' id='loadall' />\n <input type='hidden' name='scid' value='" . returnglobal('scid') . "' id='scid' />\n <input type='hidden' name='loadname' value='" . htmlspecialchars($_GET['loadname']) . "' id='loadname' />\n <input type='hidden' name='loadpass' value='" . htmlspecialchars($_GET['loadpass']) . "' id='loadpass' />";
}
echo '<label for="token">' . $clang->gT("Token:") . "</label><span id='token'>{$gettoken}</span>" . "<input type='hidden' name='token' value='{$gettoken}'></li>";
}
if (function_exists("ImageCreate") && captcha_enabled('surveyaccessscreen', $thissurvey['usecaptcha'])) {
echo "<li>\n <label for='captchaimage'>" . $clang->gT("Security Question") . "</label><img id='captchaimage' src='{$rooturl}/verification.php?sid={$surveyid}' alt='captcha' /><input type='text' size='5' maxlength='3' name='loadsecurity' value='' />\n </li>";
}
echo "<li><input class='submit' type='submit' value='" . $clang->gT("Continue") . "' /></li>\n\t\t </ul>\n\t\t </form>\n\t\t </id>";
}
echo '</div>' . templatereplace(file_get_contents("{$thistpl}/endpage.pstpl"));
doFooter();
unset($_SESSION['srid']);
exit;
}
}
}
//RESET ALL THE SESSION VARIABLES AND START AGAIN
unset($_SESSION['grouplist']);
unset($_SESSION['fieldarray']);
unset($_SESSION['insertarray']);
unset($_SESSION['thistoken']);
unset($_SESSION['fieldnamesInfo']);
$_SESSION['fieldnamesInfo'] = array();
//RL: multilingual support
if (isset($_GET['token']) && db_tables_exist($dbprefix . 'tokens_' . $surveyid)) {
//get language from token (if one exists)
$tkquery2 = "SELECT * FROM " . db_table_name('tokens_' . $surveyid) . " WHERE token='" . db_quote($clienttoken) . "' AND (completed = 'N' or completed='')";
//echo $tkquery2;
$result = db_execute_assoc($tkquery2) or safe_die("Couldn't get tokens<br />{$tkquery}<br />" . $connect->ErrorMsg());
//Checked
while ($rw = $result->FetchRow()) {
$tklanguage = $rw['language'];
}
}
if (returnglobal('lang')) {
$language_to_set = returnglobal('lang');
} elseif (isset($tklanguage)) {
$language_to_set = $tklanguage;
} else {
$language_to_set = $thissurvey['language'];
}
if (!isset($_SESSION['s_lang'])) {
SetSurveyLanguage($surveyid, $language_to_set);
}
UpdateSessionGroupList($_SESSION['s_lang']);
// Optimized Query
// Change query to use sub-select to see if conditions exist.
$query = "SELECT " . db_table_name('questions') . ".*, " . db_table_name('groups') . ".*,\n" . " (SELECT count(1) FROM " . db_table_name('conditions') . "\n" . " WHERE " . db_table_name('questions') . ".qid = " . db_table_name('conditions') . ".qid) AS hasconditions,\n" . " (SELECT count(1) FROM " . db_table_name('conditions') . "\n" . " WHERE " . db_table_name('questions') . ".qid = " . db_table_name('conditions') . ".cqid) AS usedinconditions\n" . " FROM " . db_table_name('groups') . " INNER JOIN " . db_table_name('questions') . " ON " . db_table_name('groups') . ".gid = " . db_table_name('questions') . ".gid\n" . " WHERE " . db_table_name('questions') . ".sid=" . $surveyid . "\n" . " AND " . db_table_name('groups') . ".language='" . $_SESSION['s_lang'] . "'\n" . " AND " . db_table_name('questions') . ".language='" . $_SESSION['s_lang'] . "'\n" . " AND " . db_table_name('questions') . ".parent_qid=0\n" . " ORDER BY " . db_table_name('groups') . ".group_order," . db_table_name('questions') . ".question_order";
//var_dump($_SESSION);
$result = db_execute_assoc($query);
//Checked
$arows = $result->GetRows();
$totalquestions = $result->RecordCount();
//2. SESSION VARIABLE: totalsteps
//The number of "pages" that will be presented in this survey
//The number of pages to be presented will differ depending on the survey format
switch ($thissurvey['format']) {
case "A":
$_SESSION['totalsteps'] = 1;
break;
case "G":
if (isset($_SESSION['grouplist'])) {
$_SESSION['totalsteps'] = count($_SESSION['grouplist']);
}
break;
case "S":
$_SESSION['totalsteps'] = $totalquestions;
}
if ($totalquestions == "0") {
sendcacheheaders();
doHeader();
echo templatereplace(file_get_contents("{$thistpl}/startpage.pstpl"));
echo templatereplace(file_get_contents("{$thistpl}/survey.pstpl"));
echo "\t<div id='wrapper'>\n" . "\t<p id='tokenmessage'>\n" . "\t" . $clang->gT("This survey does not yet have any questions and cannot be tested or completed.") . "<br /><br />\n" . "\t" . sprintf($clang->gT("For further information please contact %s"), $thissurvey['adminname']) . " (<a href='mailto:{$thissurvey['adminemail']}'>" . "{$thissurvey['adminemail']}</a>)<br /><br />\n" . "\t</p>\n" . "\t</div>\n";
echo templatereplace(file_get_contents("{$thistpl}/endpage.pstpl"));
doFooter();
exit;
}
//Perform a case insensitive natural sort on group name then question title of a multidimensional array
// usort($arows, 'GroupOrderThenQuestionOrder');
//3. SESSION VARIABLE - insertarray
//An array containing information about used to insert the data into the db at the submit stage
//4. SESSION VARIABLE - fieldarray
//See rem at end..
$_SESSION['token'] = $clienttoken;
if ($thissurvey['anonymized'] == "N") {
$_SESSION['insertarray'][] = "token";
}
if ($tokensexist == 1 && $thissurvey['anonymized'] == "N" && db_tables_exist($dbprefix . 'tokens_' . $surveyid)) {
//Gather survey data for "non anonymous" surveys, for use in presenting questions
$_SESSION['thistoken'] = getTokenData($surveyid, $clienttoken);
}
$qtypes = getqtypelist('', 'array');
$fieldmap = createFieldMap($surveyid, 'full', false, false, $_SESSION['s_lang']);
// Randomization Groups
// Find all defined randomization groups through question attribute values
$randomGroups = array();
if ($databasetype == 'odbc_mssql' || $databasetype == 'odbtp' || $databasetype == 'mssql_n' || $databasetype == 'mssqlnative') {
$rgquery = "SELECT attr.qid, CAST(value as varchar(255)) FROM " . db_table_name('question_attributes') . " as attr right join " . db_table_name('questions') . " as quests on attr.qid=quests.qid WHERE attribute='random_group' and CAST(value as varchar(255)) <> '' and sid={$surveyid} GROUP BY attr.qid, CAST(value as varchar(255))";
} else {
$rgquery = "SELECT attr.qid, value FROM " . db_table_name('question_attributes') . " as attr right join " . db_table_name('questions') . " as quests on attr.qid=quests.qid WHERE attribute='random_group' and value <> '' and sid={$surveyid} GROUP BY attr.qid, value";
}
$rgresult = db_execute_assoc($rgquery);
while ($rgrow = $rgresult->FetchRow()) {
// Get the question IDs for each randomization group
$randomGroups[$rgrow['value']][] = $rgrow['qid'];
}
// If we have randomization groups set, then lets cycle through each group and
// replace questions in the group with a randomly chosen one from the same group
if (count($randomGroups) > 0) {
$copyFieldMap = array();
$oldQuestOrder = array();
$newQuestOrder = array();
$randGroupNames = array();
foreach ($randomGroups as $key => $value) {
$oldQuestOrder[$key] = $randomGroups[$key];
$newQuestOrder[$key] = $oldQuestOrder[$key];
// We shuffle the question list to get a random key->qid which will be used to swap from the old key
shuffle($newQuestOrder[$key]);
$randGroupNames[] = $key;
}
// Loop through the fieldmap and swap each question as they come up
while (list($fieldkey, $fieldval) = each($fieldmap)) {
$found = 0;
foreach ($randomGroups as $gkey => $gval) {
// We found a qid that is in the randomization group
if (isset($fieldval['qid']) && in_array($fieldval['qid'], $oldQuestOrder[$gkey])) {
// Get the swapped question
$oldQuestFlip = array_flip($oldQuestOrder[$gkey]);
$qfieldmap = createFieldMap($surveyid, 'full', true, $newQuestOrder[$gkey][$oldQuestFlip[$fieldval['qid']]], $_SESSION['s_lang']);
unset($qfieldmap['id']);
unset($qfieldmap['submitdate']);
unset($qfieldmap['lastpage']);
unset($qfieldmap['lastpage']);
unset($qfieldmap['token']);
foreach ($qfieldmap as $tkey => $tval) {
// Assign the swapped question (Might be more than one field)
$tval['random_gid'] = $fieldval['gid'];
//$tval['gid'] = $fieldval['gid'];
$copyFieldMap[$tkey] = $tval;
}
$found = 1;
break;
} else {
$found = 2;
}
}
if ($found == 2) {
$copyFieldMap[$fieldkey] = $fieldval;
}
reset($randomGroups);
}
$fieldmap = $copyFieldMap;
}
//die(print_r($fieldmap));
$_SESSION['fieldmap'] = $fieldmap;
foreach ($fieldmap as $field) {
if (isset($field['qid']) && $field['qid'] != '') {
$_SESSION['fieldnamesInfo'][$field['fieldname']] = $field['sid'] . 'X' . $field['gid'] . 'X' . $field['qid'];
$_SESSION['insertarray'][] = $field['fieldname'];
//fieldarray ARRAY CONTENTS -
// [0]=questions.qid,
// [1]=fieldname,
// [2]=questions.title,
// [3]=questions.question
// [4]=questions.type,
// [5]=questions.gid,
// [6]=questions.mandatory,
// [7]=conditionsexist,
// [8]=usedinconditions
// [8]=usedinconditions
// [9]=used in group.php for question count
// [10]=new group id for question in randomization group (GroupbyGroup Mode)
if (!isset($_SESSION['fieldarray'][$field['sid'] . 'X' . $field['gid'] . 'X' . $field['qid']])) {
$_SESSION['fieldarray'][$field['sid'] . 'X' . $field['gid'] . 'X' . $field['qid']] = array($field['qid'], $field['sid'] . 'X' . $field['gid'] . 'X' . $field['qid'], $field['title'], $field['question'], $field['type'], $field['gid'], $field['mandatory'], $field['hasconditions'], $field['usedinconditions']);
}
if (isset($field['random_gid'])) {
$_SESSION['fieldarray'][$field['sid'] . 'X' . $field['gid'] . 'X' . $field['qid']][10] = $field['random_gid'];
}
}
}
// Prefill question/answer from defaultvalues
foreach ($fieldmap as $field) {
if (isset($field['defaultvalue'])) {
$_SESSION[$field['fieldname']] = $field['defaultvalue'];
}
}
// Prefill questions/answers from command line params
if (isset($_SESSION['insertarray'])) {
foreach ($_SESSION['insertarray'] as $field) {
if (isset($_GET[$field]) && $field != 'token') {
$_SESSION[$field] = $_GET[$field];
}
}
}
if (isset($_SESSION['fieldarray'])) {
$_SESSION['fieldarray'] = array_values($_SESSION['fieldarray']);
}
// Check if the current survey language is set - if not set it
// this way it can be changed later (for example by a special question type)
//Check if a passthru label and value have been included in the query url
if (isset($_GET['passthru']) && $_GET['passthru'] != "") {
if (isset($_GET[$_GET['passthru']]) && $_GET[$_GET['passthru']] != "") {
$_SESSION['passthrulabel'] = $_GET['passthru'];
$_SESSION['passthruvalue'] = $_GET[$_GET['passthru']];
}
} elseif (isset($_SERVER['QUERY_STRING'])) {
$_SESSION['ls_initialquerystr'] = $_SERVER['QUERY_STRING'];
}
// END NEW
// Fix totalquestions by substracting Test Display questions
$sNoOfTextDisplayQuestions = (int) $connect->GetOne("SELECT count(*)\n" . " FROM " . db_table_name('questions') . " WHERE type='X'\n" . " AND sid={$surveyid}" . " AND language='" . $_SESSION['s_lang'] . "'" . " AND parent_qid=0");
$_SESSION['therearexquestions'] = $totalquestions - $sNoOfTextDisplayQuestions;
// must be global for THEREAREXQUESTIONS replacement field to work
return $totalquestions - $sNoOfTextDisplayQuestions;
}
