symfony
diff --git a/‎src/Symfony/Component/Security/Core/Authentication/Token/SwitchUserToken.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Security/Core/Authentication/Token/SwitchUserToken.php
+6-1Lines changed: 6 additions & 1 deletion b/‎src/Symfony/Component/Security/Core/Authentication/Token/SwitchUserToken.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Security/Core/Authentication/Token/SwitchUserToken.php
+6-1Lines changed: 6 additions & 1 deletion
diff --git a/‎src/Symfony/Component/Security/Core/Tests/Authentication/Token/Fixtures/switch-user-token-4.4.txt
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1.87 KB b/‎src/Symfony/Component/Security/Core/Tests/Authentication/Token/Fixtures/switch-user-token-4.4.txt
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1.87 KB
diff --git a/‎src/Symfony/Component/Security/Core/Tests/Authentication/Token/SwitchUserTokenTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Security/Core/Tests/Authentication/Token/SwitchUserTokenTest.php
+14Lines changed: 14 additions & 0 deletions b/‎src/Symfony/Component/Security/Core/Tests/Authentication/Token/SwitchUserTokenTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Security/Core/Tests/Authentication/Token/SwitchUserTokenTest.php
+14Lines changed: 14 additions & 0 deletions
@@ -59,7 +59,12 @@ public function __serialize(): array
      */
     public function __unserialize(array $data): void
     {
-        [$this->originalToken, $this->originatedFromUri, $parentData] = $data;
+        if (3 > \count($data)) {
+            // Support for tokens serialized with version 5.1 or lower of symfony/security-core.
+            [$this->originalToken, $parentData] = $data;
+        } else {
+            [$this->originalToken, $this->originatedFromUri, $parentData] = $data;
+        }
         $parentData = \is_array($parentData) ? $parentData : unserialize($parentData);
         parent::__unserialize($parentData);
     }
 
@@ -84,4 +84,18 @@ public function testSerializeNullImpersonateUrl()
 
         $this->assertNull($unserializedToken->getOriginatedFromUri());
     }
+
+    public function testUnserializeOldToken()
+    {
+        /** @var SwitchUserToken $token */
+        $token = unserialize(file_get_contents(__DIR__.'/Fixtures/switch-user-token-4.4.txt'));
+
+        self::assertInstanceOf(SwitchUserToken::class, $token);
+        self::assertInstanceOf(UsernamePasswordToken::class, $token->getOriginalToken());
+        self::assertSame('john', $token->getUsername());
+        self::assertSame(['foo' => 'bar'], $token->getCredentials());
+        self::assertSame('main', $token->getFirewallName());
+        self::assertEquals(['ROLE_USER'], $token->getRoleNames());
+        self::assertNull($token->getOriginatedFromUri());
+    }
 }