added ability for accurate login errors

app/Config/Aauth.php

@@ -148,6 +148,11 @@ class Aauth extends BaseConfig
 	|	Enables the DDoS Protection, user will be banned temporary when he exceed the login 'try'
 	|	(default: true)
 	|
+	| 'loginAccurateErrors'
+	|
+	|	Enables unified error message (loginFailedAll vs loginFailedEmail/loginFailedUsername)
+	|	(default: false)
+	|
 	| 'loginAttemptLimit'
 	|
 	|	Login attempts limit
@@ -173,6 +178,7 @@ class Aauth extends BaseConfig
 	public $loginSingleMode              = false;
 	public $loginUseUsername             = false;
 	public $loginProtection              = true;
+	public $loginAccurateErrors          = false;
 	public $loginAttemptLimit            = 10;
 	public $loginAttemptCookie           = false;
 	public $loginAttemptLimitTimePeriod  = '5 minutes';

app/Libraries/Aauth.php

@@ -386,8 +386,21 @@ class Aauth
 		}
 		else
 		{
-			$this->error(lang('Aauth.loginFailedAll'));
-
+			if ($this->config->loginAccurateErrors)
+			{
+				if ($this->config->loginUseUsername)
+				{
+					$this->error(lang('Aauth.loginFailedUsername'));
+				}
+				else
+				{
+					$this->error(lang('Aauth.loginFailedEmail'));
+				}
+			}
+			else
+			{
+				$this->error(lang('Aauth.loginFailedAll'));
+			}
 			return false;
 		}
 	}

tests/Aauth/Libraries/Aauth/LoginTest.php

@@ -91,6 +91,16 @@ class LoginTest extends CIDatabaseTestCase
 		$this->assertFalse($this->library->login('admin', 'passwor'));
 		$this->assertEquals(lang('Aauth.loginFailedUsername'), $this->library->getErrorsArray()[0]);
 
+		$this->library->clearErrors();
+		$this->assertFalse($this->library->login('admin', 'password1234'));
+		$this->assertEquals(lang('Aauth.loginFailedAll'), $this->library->getErrorsArray()[0]);
+
+		$config->loginAccurateErrors = true;
+		$this->library               = new Aauth($config, $session);
+		$this->library->clearErrors();
+		$this->assertFalse($this->library->login('admin', 'password1234'));
+		$this->assertEquals(lang('Aauth.loginFailedUsername'), $this->library->getErrorsArray()[0]);
+
 		$this->library->clearErrors();
 		$this->assertFalse($this->library->login('user99', 'password123456'));
 		$this->assertEquals(lang('Aauth.notFoundUser'), $this->library->getErrorsArray()[0]);
@@ -110,6 +120,14 @@ class LoginTest extends CIDatabaseTestCase
 		$this->assertFalse($this->library->login('[email protected]', 'password123456'));
 		$this->assertEquals(lang('Aauth.notFoundUser'), $this->library->getErrorsArray()[0]);
 
+		$config                      = new AauthConfig();
+		$config->loginAccurateErrors = true;
+		$this->library               = new Aauth($config, $session);
+		$this->library->clearErrors();
+		$this->assertFalse($this->library->login('[email protected]', 'password1234567'));
+		$this->assertEquals(lang('Aauth.loginFailedEmail'), $this->library->getErrorsArray()[0]);
+		$this->library = new Aauth(null, $session);
+
 		$this->library->clearErrors();
 		$this->assertFalse($this->library->login('[email protected]', 'password1234567'));
 		$this->assertEquals(lang('Aauth.loginFailedAll'), $this->library->getErrorsArray()[0]);