/**
* Performs environmental set-up similar to that in {@link ApplicationConfigBehavior}
*/
public static function setUpAppEnvironment($full = false)
{
// uses a specific key/iv for unit testing
foreach (array('iv', 'key') as $ext) {
$file = Yii::app()->basePath . "/config/encryption.{$ext}";
$testFile = Yii::app()->basePath . "/tests/data/encryption/encryption.{$ext}";
self::${$ext} = $file;
if (file_exists($file)) {
rename($file, "{$file}.bak");
copy($testFile, $file);
}
}
EncryptedFieldsBehavior::setup(self::$key, self::$iv);
if ($full) {
self::setUpAppEnvironment2();
}
}
/**
* Override that uses a specific key/iv for unit testing
*/
public static function setUpBeforeClass()
{
parent::setUpBeforeClass();
EncryptedFieldsBehavior::setupUnsafe();
}
public static function setupUnsafe()
{
self::$encrypt = false;
}
/**
* Sets the encryption flag such that it accurately reflects the status of
* data going into the database.
* @param type $event
*/
public function beforeSave($event)
{
$encryptFlag = $this->encryptedFlagAttr;
if ((bool) $encryptFlag) {
$this->getOwner()->{$encryptFlag} = self::$encrypt;
}
parent::beforeSave($event);
}
/**
* Instantiates the encryption utility object so that components depending
* on {@link EncryptedFieldsBehavior} can also be instantiated.
*/
public function cryptInit()
{
if (!$this->_cryptInit) {
$key = $this->owner->basePath . '/config/encryption.key';
$iv = $this->owner->basePath . '/config/encryption.iv';
if (extension_loaded('openssl') && extension_loaded('mcrypt') && file_exists($key) && file_exists($iv)) {
EncryptedFieldsBehavior::setup($key, $iv);
} else {
// Use unsafe method with encryption
EncryptedFieldsBehavior::setupUnsafe();
}
}
}
/**
* Tests transparent transition between encrypted and unencrypted
*/
public function testUnsafe()
{
$cred = $this->credentials('testUser');
$expectedAttributes = $cred->auth->attributes;
EncryptedFieldsBehavior::setupUnsafe();
$cred->save();
$unencryptedJSON = Yii::app()->db->createCommand()->select('auth')->from('x2_credentials')->where('id=:id', array(':id' => $cred->id))->queryScalar();
$attributes = CJSON::decode($unencryptedJSON);
$this->assertEquals($expectedAttributes, $attributes);
}
