/
Authdb.php
237 lines (199 loc) · 7.18 KB
/
Authdb.php
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<?php
class Authdb extends AuthPluginBase
{
protected $storage = 'DbStorage';
protected $_onepass = null;
static protected $description = 'Core: Database authentication + exports';
static protected $name = 'LimeSurvey internal database';
public function __construct(PluginManager $manager, $id) {
parent::__construct($manager, $id);
/**
* Here you should handle subscribing to the events your plugin will handle
*/
$this->subscribe('beforeLogin');
$this->subscribe('newLoginForm');
$this->subscribe('afterLoginFormSubmit');
$this->subscribe('newUserSession');
$this->subscribe('beforeDeactivate');
// Now register for the core exports
$this->subscribe('listExportPlugins');
$this->subscribe('listExportOptions');
$this->subscribe('newExport');
}
public function beforeDeactivate()
{
$this->getEvent()->set('success', false);
// Optionally set a custom error message.
$this->getEvent()->set('message', gT('Core plugin can not be disabled.'));
}
public function beforeLogin()
{
$this->getEvent()->set('default', get_class($this)); // This is the default login method, should be configurable from plugin settings
// We can skip the login form here and set username/password etc.
$request = $this->api->getRequest();
if (!is_null($request->getParam('onepass'))) {
// We have a one time password, skip the login form
$this->setOnePass($request->getParam('onepass'));
$this->setUsername($request->getParam('user'));
$this->setAuthPlugin(); // This plugin will handle authentication and skips the login form
}
}
/**
* Get the onetime password (if set)
*
* @return string|null
*/
protected function getOnePass()
{
return $this->_onepass;
}
public function newLoginForm()
{
$sUserName='';
$sPassword='';
if (Yii::app()->getConfig("demoMode") === true && Yii::app()->getConfig("demoModePrefill") === true)
{
$sUserName=Yii::app()->getConfig("defaultuser");
$sPassword=Yii::app()->getConfig("defaultpass");
}
$this->getEvent()->getContent($this)
->addContent(CHtml::tag('li', array(), "<label for='user'>" . gT("Username") . "</label>".CHtml::textField('user',$sUserName,array('size'=>40,'maxlength'=>40))))
->addContent(CHtml::tag('li', array(), "<label for='password'>" . gT("Password") . "</label>".CHtml::passwordField('password',$sPassword,array('size'=>40,'maxlength'=>40))));
}
public function afterLoginFormSubmit()
{
// Here we handle post data
$request = $this->api->getRequest();
if ($request->getIsPostRequest()) {
$this->setUsername( $request->getPost('user'));
$this->setPassword($request->getPost('password'));
}
}
public function newUserSession()
{
// Here we do the actual authentication
$username = $this->getUsername();
$password = $this->getPassword();
$onepass = $this->getOnePass();
$user = $this->api->getUserByName($username);
if ($user !== null)
{
if (gettype($user->password)=='resource')
{
$sStoredPassword=stream_get_contents($user->password,-1,0); // Postgres delivers bytea fields as streams :-o
}
else
{
$sStoredPassword=$user->password;
}
}
else
{
$this->setAuthFailure(self::ERROR_USERNAME_INVALID);
return;
}
if ($onepass != '' && $this->api->getConfigKey('use_one_time_passwords') && md5($onepass) == $user->one_time_pw)
{
$user->one_time_pw='';
$user->save();
$this->setAuthSuccess($user);
return;
}
if ($sStoredPassword !== hash('sha256', $password))
{
$this->setAuthFailure(self::ERROR_PASSWORD_INVALID);
return;
}
$this->setAuthSuccess($user);
}
/**
* Set the onetime password
*
* @param type $onepass
* @return Authdb
*/
protected function setOnePass($onepass)
{
$this->_onepass = $onepass;
return $this;
}
// Now the export part:
public function listExportOptions()
{
$event = $this->getEvent();
$type = $event->get('type');
switch ($type) {
case 'csv':
$event->set('label', gT("CSV"));
$event->set('default', true);
break;
case 'xls':
$label = gT("Microsoft Excel");
if (!function_exists('iconv')) {
$label .= '<font class="warningtitle">'.$clang->gT("(Iconv Library not installed)").'</font>';
}
$event->set('label', $label);
break;
case 'doc':
$event->set('label', gT("Microsoft Word"));
$event->set('onclick', 'document.getElementById("ansfull").checked=true;document.getElementById("ansabbrev").disabled=true;');
break;
case 'pdf':
$event->set('label', gT("PDF"));
break;
case 'html':
$event->set('label', gT("HTML"));
break;
case 'json': // Not in the interface, only for RPC
default:
break;
}
}
/**
* Registers this export type
*/
public function listExportPlugins()
{
$event = $this->getEvent();
$exports = $event->get('exportplugins');
// Yes we overwrite existing classes if available
$className = get_class();
$exports['csv'] = $className;
$exports['xls'] = $className;
$exports['pdf'] = $className;
$exports['html'] = $className;
$exports['json'] = $className;
$exports['doc'] = $className;
$event->set('exportplugins', $exports);
}
/**
* Returns the required IWriter
*/
public function newExport()
{
$event = $this->getEvent();
$type = $event->get('type');
switch ($type) {
case "doc":
$writer = new DocWriter();
break;
case "xls":
$writer = new ExcelWriter();
break;
case "pdf":
$writer = new PdfWriter();
break;
case "html":
$writer = new HtmlWriter();
break;
case "json":
$writer = new JsonWriter();
break;
case "csv":
default:
$writer = new CsvWriter();
break;
}
$event->set('writer', $writer);
}
}