symfony
diff --git a/‎src/Symfony/Component/Security/Core/Authentication/Provider/AuthenticationProviderInterface.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Security/Core/Authentication/Provider/AuthenticationProviderInterface.php
+7Lines changed: 7 additions & 0 deletions b/‎src/Symfony/Component/Security/Core/Authentication/Provider/AuthenticationProviderInterface.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Security/Core/Authentication/Provider/AuthenticationProviderInterface.php
+7Lines changed: 7 additions & 0 deletions
diff --git a/‎src/Symfony/Component/Security/Core/Authentication/Provider/LdapBindAuthenticationProvider.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Security/Core/Authentication/Provider/LdapBindAuthenticationProvider.php
+1-1Lines changed: 1 addition & 1 deletion b/‎src/Symfony/Component/Security/Core/Authentication/Provider/LdapBindAuthenticationProvider.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Security/Core/Authentication/Provider/LdapBindAuthenticationProvider.php
+1-1Lines changed: 1 addition & 1 deletion
diff --git a/‎src/Symfony/Component/Security/Core/Authentication/Provider/UserAuthenticationProvider.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Security/Core/Authentication/Provider/UserAuthenticationProvider.php
+1-1Lines changed: 1 addition & 1 deletion b/‎src/Symfony/Component/Security/Core/Authentication/Provider/UserAuthenticationProvider.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Security/Core/Authentication/Provider/UserAuthenticationProvider.php
+1-1Lines changed: 1 addition & 1 deletion
@@ -24,6 +24,13 @@
  */
 interface AuthenticationProviderInterface extends AuthenticationManagerInterface
 {
+    /**
+     * Use this constant for not provided username
+     *
+     * @var string
+     */
+    const USERNAME_NONE_PROVIDED = 'NONE_PROVIDED';
+
     /**
      * Checks whether this provider supports the given token.
      *
 
@@ -58,7 +58,7 @@ public function __construct(UserProviderInterface $userProvider, UserCheckerInte
      */
     protected function retrieveUser($username, UsernamePasswordToken $token)
     {
-        if ('NONE_PROVIDED' === $username) {
+        if (AuthenticationProviderInterface::USERNAME_NONE_PROVIDED === $username) {
             throw new UsernameNotFoundException('Username can not be null');
         }
 
 
@@ -63,7 +63,7 @@ public function authenticate(TokenInterface $token)
 
         $username = $token->getUsername();
         if ('' === $username || null === $username) {
-            $username = 'NONE_PROVIDED';
+            $username = AuthenticationProviderInterface::USERNAME_NONE_PROVIDED;
         }
 
         try {
Original file line number	Diff line number	Diff line change
`@@ -58,7 +58,7 @@ public function __construct(UserProviderInterface $userProvider, UserCheckerInte`
`58`	`58`	`*/`
`59`	`59`	`protected function retrieveUser($username, UsernamePasswordToken $token)`
`60`	`60`	`{`
`61`		`- if ('NONE_PROVIDED' === $username) {`
	`61`	`+ if (AuthenticationProviderInterface::USERNAME_NONE_PROVIDED === $username) {`
`62`	`62`	`throw new UsernameNotFoundException('Username can not be null');`
`63`	`63`	`}`
`64`	`64`
Original file line number	Diff line number	Diff line change
`@@ -63,7 +63,7 @@ public function authenticate(TokenInterface $token)`
`63`	`63`
`64`	`64`	`$username = $token->getUsername();`
`65`	`65`	`if ('' === $username \|\| null === $username) {`
`66`		`- $username = 'NONE_PROVIDED';`
	`66`	`+ $username = AuthenticationProviderInterface::USERNAME_NONE_PROVIDED;`
`67`	`67`	`}`
`68`	`68`
`69`	`69`	`try {`