/
usercontrol.php
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/
usercontrol.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.
*/
include_once("login_check.php"); //Login Check dies also if the script is started directly
require_once($homedir."/classes/core/sha256.php");
if (!isset($_SESSION['loginID']))
{
if($action == "forgotpass")
{
$loginsummary = "<br /><strong>".$clang->gT("Forgot Password")."</strong><br />\n";
if (isset($_POST['user']) && isset($_POST['email']))
{
include("database.php");
$query = "SELECT users_name, password, uid FROM ".db_table_name('users')." WHERE users_name=".$connect->qstr($_POST['user'])." AND email=".$connect->qstr($_POST['email']);
$result = db_select_limit_assoc($query, 1) or die ($query."<br />".$connect->ErrorMsg());
if ($result->RecordCount() < 1)
{
// wrong or unknown username and/or email
$loginsummary .= "<br />".$clang->gT("User name and/or email not found!")."<br />";
$loginsummary .= "<br /><br /><a href='$scriptname?action=forgotpassword'>".$clang->gT("Continue")."</a><br /> \n";
}
else
{
$fields = $result->FetchRow();
// send Mail
$new_pass = createPassword();
$body = $clang->gT("Your data:") . "<br />\n";;
$body .= $clang->gT("Username") . ": " . $fields['users_name'] . "<br />\n";
$body .= $clang->gT("New Password") . ": " . $new_pass . "<br />\n";
$subject = 'User Data';
$to = $_POST['email'];
$from = $siteadminemail;
$sitename = $siteadminname;
if(MailTextMessage($body, $subject, $to, $from, $sitename))
{
$query = "UPDATE ".db_table_name('users')." SET password='".SHA256::hash($new_pass)."' WHERE uid={$fields['uid']}";
$connect->Execute($query);
$loginsummary .= "<br />".$clang->gT("Username").": {$fields['users_name']}<br />".$clang->gT("Email").": {$_POST['email']}<br />";
$loginsummary .= "<br />".$clang->gT("An email with your login data was sent to you.");
$loginsummary .= "<br /><br /><a href='$scriptname'>".$clang->gT("Continue")."</a><br /> \n";
}
else
{
$tmp = str_replace("{NAME}", "<strong>".$fields['users_name']."</strong>", $clang->gT("Email to {NAME} ({EMAIL}) failed."));
$loginsummary .= "<br />".str_replace("{EMAIL}", $_POST['email'], $tmp) . "<br />";
$loginsummary .= "<br /><br /><a href='$scriptname?action=forgotpassword'>".$clang->gT("Continue")."</a><br /> \n";
}
}
}
}
elseif($action == "login") // normal login
{
$loginsummary = "<br /><strong>".$clang->gT("Logging in...")."</strong><br />\n";
if (isset($_POST['user']) && isset($_POST['password']))
{
include("database.php");
$query = "SELECT uid, users_name, password, parent_id, email, lang FROM ".db_table_name('users')." WHERE users_name=".$connect->qstr($_POST['user']);
$ADODB_FETCH_MODE = ADODB_FETCH_ASSOC;
$result = $connect->SelectLimit($query, 1) or die ($query."<br />".$connect->ErrorMsg());
if ($result->RecordCount() < 1)
{
// wrong or unknown username
$loginsummary .= "<br />".$clang->gT("Incorrect User name and/or Password!")."<br />";
$loginsummary .= "<br /><br /><a href='$scriptname'>".$clang->gT("Continue")."</a><br /> \n";
}
else
{
$fields = $result->FetchRow();
if (SHA256::hash($_POST['password']) == $fields['password'])
{
// Anmeldung ERFOLGREICH
if (strtolower($_POST['password'])=='password') {$_SESSION['pw_notify']=true;} else {$_SESSION['pw_notify']=false;} // Check if the user has changed his default password
$_SESSION['loginID'] = intval($fields['uid']);
$_SESSION['user'] = $fields['users_name'];
if (isset($_POST['loginlang']) && $_POST['loginlang'])
{
$_SESSION['adminlang'] = $_POST['loginlang'];
$clang = new limesurvey_lang($_SESSION['adminlang']);
$uquery = "UPDATE {$dbprefix}users "
. "SET lang='{$_SESSION['adminlang']}' "
. "WHERE uid={$_SESSION['loginID']}";
$uresult = $connect->Execute($uquery);
}
else
{
$_SESSION['adminlang'] = $fields['lang'];
$clang = new limesurvey_lang($_SESSION['adminlang']);
}
$login = true;
$loginsummary .= "<br />" .str_replace("{NAME}", $_SESSION['user'], $clang->gT("Welcome {NAME}")) . "<br />";
$loginsummary .= $clang->gT("You logged in successfully.");
if (isset($_POST['refererargs']) && $_POST['refererargs'] &&
strpos($_POST['refererargs'], "action=logout") === FALSE)
{
$_SESSION['metaHeader']="<meta http-equiv=\"refresh\""
. " content=\"1;URL={$scriptname}?".$_POST['refererargs']."\" />";
$loginsummary .= "<br /><font size='1'><i>".$clang->gT("Reloading Screen. Please wait.")."</i></font>\n";
}
$loginsummary .= "<br /><br />\n";
GetSessionUserRights($_SESSION['loginID']);
}
else
{
$loginsummary .= "<br />".$clang->gT("Incorrect User name and/or Password!")."<br />";
$loginsummary .= "<br /><br /><a href='$scriptname'>".$clang->gT("Continue")."</a><br /> \n";
}
}
}
}
}
elseif ($action == "logout")
{
// $logoutsummary = "<br /><strong>".$clang->gT("Logout")."</strong><br />\n";
killSession();
$logoutsummary = $clang->gT("Logout successful.");
// $logoutsummary .= "<br /><br /><a href='$scriptname'>".$clang->gT("Main Admin Screen")."</a><br /> \n";
}
elseif ($action == "adduser" && $_SESSION['USER_RIGHT_CREATE_USER'])
{
$addsummary = "<br /><strong>".$clang->gT("Add User")."</strong><br />\n";
$new_user = html_entity_decode($_POST['new_user']);
$new_email = html_entity_decode($_POST['new_email']);
$new_full_name = html_entity_decode($_POST['new_full_name']);
$new_user = $_POST['new_user'];
$new_email = $_POST['new_email'];
$new_full_name = html_entity_decode($_POST['new_full_name']);
$valid_email = true;
if(!validate_email($new_email))
{
$valid_email = false;
$addsummary .= "<br /><strong>".$clang->gT("Failed to add User.")."</strong><br />\n" . " " . $clang->gT("Email address ist not valid.")."<br />\n";
}
if(empty($new_user))
{
if($valid_email) $addsummary .= "<br /><strong>".$clang->gT("Failed to add User.")."</strong><br />\n" . " ";
$addsummary .= $clang->gT("Username was not supplied.")."<br />\n";
}
elseif($valid_email)
{
$new_pass = createPassword();
$uquery = "INSERT INTO {$dbprefix}users (users_name, password,full_name,parent_id,lang,email,create_survey,create_user,delete_user,move_user,configurator,manage_template,manage_label) VALUES ('{$new_user}', '".SHA256::hash($new_pass)."', '{$new_full_name}', {$_SESSION['loginID']}, '{$defaultlang}', '{$new_email}',0,0,0,0,0,0,0)";
$uresult = $connect->Execute($uquery);
if($uresult)
{
$newqid = $connect->Insert_ID();
// add new user to userlist
$squery = "SELECT uid, users_name, password, parent_id, email, create_survey, configurator, create_user, delete_user, move_user, manage_template, manage_label FROM ".db_table_name('users')." WHERE uid='{$newqid}'"; //added by Dennis
$sresult = db_execute_assoc($squery);
$srow = $sresult->FetchRow();
$userlist = getuserlist();
array_push($userlist, array("user"=>$srow['users_name'], "uid"=>$srow['uid'], "email"=>$srow['email'],
"password"=>$srow["password"], "parent_id"=>$srow['parent_id'], // "level"=>$level,
"create_survey"=>$srow['create_survey'], "configurator"=>$srow['configurator'], "create_user"=>$srow['create_user'],
"delete_user"=>$srow['delete_user'], "move_user"=>$srow['move_user'], "manage_template"=>$srow['manage_template'],
"manage_label"=>$srow['manage_label']));
// send Mail
$body = $clang->gT("You were signed in on the site")." ".$sitename."<br />\n";
$body .= $clang->gT("Your data:")."<br />\n";
$body .= $clang->gT("Username") . ": " . $new_user . "<br />\n";
$body .= $clang->gT("Password") . ": " . $new_pass . "<br />\n";
$body .= "<a href='" . $homeurl . "/admin.php'>".$clang->gT("Login here")."</a><br />\n";
$subject = 'Registration';
$to = $new_email;
$from = $siteadminemail;
$sitename = $siteadminname;
if(MailTextMessage($body, $subject, $to, $from, $sitename, true))
{
$addsummary .= "<br />".$clang->gT("Username").": $new_user<br />".$clang->gT("Email").": $new_email<br />";
$addsummary .= "<br />".$clang->gT("An email with a generated password was sent to the user.");
}
else
{
// Muss noch mal gesendet werden oder andere M??glichkeit
$tmp = str_replace("{NAME}", "<strong>".$new_user."</strong>", $clang->gT("Email to {NAME} ({EMAIL}) failed."));
$addsummary .= "<br />".str_replace("{EMAIL}", $new_email, $tmp) . "<br />";
}
$addsummary .= "<br />\t\t\t<form method='post' action='$scriptname'>"
."<input type='submit' value='".$clang->gT("Set User Rights")."'>"
."<input type='hidden' name='action' value='setuserrights'>"
."<input type='hidden' name='user' value='{$new_user}'>"
."<input type='hidden' name='uid' value='{$newqid}'>"
."</form>";
}
else{
$addsummary .= "<br /><strong>".$clang->gT("Failed to add User.")."</strong><br />\n" . " " . $clang->gT("Username and/or email address already exists.")."<br />\n";
}
}
$addsummary .= "<br /><a href='$scriptname?action=editusers'>".$clang->gT("Continue")."</a><br /> \n";
}
elseif ($action == "deluser" && ($_SESSION['USER_RIGHT_DELETE_USER'] || ($_POST['uid'] == $_SESSION['loginID'])))
{
$addsummary = "<br /><strong>".$clang->gT("Deleting User")."</strong><br />\n";
$adminquery = "SELECT uid FROM {$dbprefix}users WHERE parent_id=0";
$adminresult = db_select_limit_assoc($adminquery, 1);
$row=$adminresult->FetchRow();
if($row['uid'] == $_POST['uid']) // it's the superadmin !!!
{
$addsummary .= "<br />".$clang->gT("Admin cannot be deleted!")."<br />\n";
}
else
{
if (isset($_POST['uid']))
{
// is the user allowed to delete?
$userlist = getuserlist();
foreach ($userlist as $usr)
{
if ($usr['uid'] == $_POST['uid'])
{
$isallowed = true;
continue;
}
}
if($isallowed)
{
// We are about to kill an uid with potential childs
// Let's re-assign them their grand-father as their
// new parentid
$squery = "SELECT parent_id FROM {$dbprefix}users WHERE uid={$_POST['uid']}";
$sresult = $connect->Execute($squery);
$fields = $sresult->FetchRow($sresult);
if (isset($fields[0]))
{
$uquery = "UPDATE ".db_table_name('users')." SET parent_id={$fields[0]} WHERE parent_id={$_POST['uid']}"; // added by Dennis
$uresult = $connect->Execute($uquery);
}
//DELETE USER FROM TABLE
$dquery="DELETE FROM {$dbprefix}users WHERE uid={$_POST['uid']}"; // added by Dennis
$dresult=$connect->Execute($dquery);
// Delete user rights
$dquery="DELETE FROM {$dbprefix}surveys_rights WHERE uid={$_POST['uid']}";
$dresult=$connect->Execute($dquery);
if($_POST['uid'] == $_SESSION['loginID']) killSession(); // user deleted himself
$addsummary .= "<br />".$clang->gT("Username").": {$_POST['user']}<br />\n";
}
else
{
include("access_denied.php");
//$addsummary .= "<br />".$clang->gT("You are not allowed to perform this operation!")."<br />\n";
}
}
else
{
$addsummary .= "<br />".$clang->gT("Could not delete user. User was not supplied.")."<br />\n";
}
}
$addsummary .= "<br /><br /><a href='$scriptname?action=editusers'>".$clang->gT("Continue")."</a><br /> \n";
}
elseif ($action == "moduser")
{
$addsummary = "<br /><strong>".$clang->gT("Modifying User")."</strong><br />\n";
$userlist = getuserlist();
foreach ($userlist as $usr)
{
if ($usr['uid'] == $_POST['uid'])
{
$squery = "SELECT create_survey, configurator, create_user, delete_user, move_user, manage_template, manage_label FROM {$dbprefix}users WHERE uid={$usr['parent_id']}"; // added by Dennis
$sresult = $connect->Execute($squery);
$parent = $sresult->FetchRow();
break;
}
}
if($_POST['uid'] == $_SESSION['loginID'] || $_SESSION['loginID'] == 1 || $parent['create_user'] == 1)
{
$users_name = html_entity_decode($_POST['user']);
$email = html_entity_decode($_POST['email']);
$pass = html_entity_decode($_POST['pass']);
$full_name = html_entity_decode($_POST['full_name']);
$valid_email = true;
if(!validate_email($email))
{
$valid_email = false;
$failed = true;
$addsummary .= "<br /><strong>".$clang->gT("Could not modify User Data.")."</strong><br />\n" . " ".$clang->gT("Email address ist not valid.")."<br />\n";
}
elseif($valid_email)
{
$failed = false;
if(empty($pass))
{
$uquery = "UPDATE ".db_table_name('users')." SET email='{$email}', full_name='{$full_name}' WHERE uid={$_POST['uid']}";
} else {
$uquery = "UPDATE ".db_table_name('users')." SET email='{$email}', full_name='{$full_name}', password='".SHA256::hash($pass)."' WHERE uid={$_POST['uid']}";
}
$uresult = $connect->Execute($uquery);
if($uresult && empty($pass))
{
$addsummary .= "<br />".$clang->gT("Username").": $users_name<br />".$clang->gT("Password").": {".$clang->gT("Unchanged")."}<br />\n";
} elseif($uresult && !empty($pass))
{
$addsummary .= "<br />".$clang->gT("Username").": $users_name<br />".$clang->gT("Password").": $pass<br />\n";
}
else
{
// Username and/or email adress already exists.
$addsummary .= "<br /><strong>".$clang->gT("Could not modify User Data.")."</strong><br />\n" . " ".$clang->gT("Email address already exists.")."<br />\n";
}
}
if($failed)
{
$addsummary .= "<br /><br /><form method='post' action='$scriptname'>"
."<input type='submit' value='".$clang->gT("Back")."'>"
."<input type='hidden' name='action' value='modifyuser'>"
."<input type='hidden' name='uid' value='{$_POST['uid']}'>"
."</form>";
}
else
{
$addsummary .= "<br /><br /><a href='$scriptname?action=editusers'>".$clang->gT("Continue")."</a><br /> \n";
}
}
else
{
include("access_denied.php");
}
}
elseif ($action == "userrights")
{
$addsummary = "<br /><strong>".$clang->gT("Set User Rights")."</strong><br />\n";
if($_POST['uid'] != $_SESSION['loginID'])
{
$userlist = getuserlist();
foreach ($userlist as $usr)
{
if ($usr['uid'] == $_POST['uid'])
{
$isallowed = true;
continue;
}
}
if($isallowed)
{
$rights = array();
if(isset($_POST['create_survey']))$rights['create_survey']=1; else $rights['create_survey']=0;
if(isset($_POST['configurator']))$rights['configurator']=1; else $rights['configurator']=0;
if(isset($_POST['create_user']))$rights['create_user']=1; else $rights['create_user']=0;
if(isset($_POST['delete_user']))$rights['delete_user']=1; else $rights['delete_user']=0;
if(isset($_POST['move_user']))$rights['move_user']=1; else $rights['move_user']=0;
if(isset($_POST['manage_template']))$rights['manage_template']=1; else $rights['manage_template']=0;
if(isset($_POST['manage_label']))$rights['manage_label']=1; else $rights['manage_label']=0;
setuserrights($_POST['uid'], $rights);
$addsummary .= "<br />".$clang->gT("Update user rights successful.")."<br />\n";
$addsummary .= "<br /><br /><a href='$scriptname?action=editusers'>".$clang->gT("Continue")."</a><br /> \n";
}
else
{
include("access_denied.php");
}
}
else
{
$addsummary .= "<br />".$clang->gT("You are not allowed to change your own rights!")."<br />\n";
$addsummary .= "<br /><br /><a href='$scriptname?action=editusers'>".$clang->gT("Continue")."</a><br /> \n";
}
}
?>