bug #27885 [HttpFoundation] don't encode cookie name for BC (nicolas-…

…grekas)

This PR was merged into the 3.4 branch.

Discussion
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[HttpFoundation] don't encode cookie name for BC

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

As reported by @Seldaek in #25348 (comment)

Commits
-------

d28949b [HttpFoundation] don't encode cookie name for BC

src/Symfony/Component/HttpFoundation/Response.php

@@ -333,12 +333,17 @@ public function sendHeaders()
         }
 
         // headers
-        foreach ($this->headers->allPreserveCase() as $name => $values) {
+        foreach ($this->headers->allPreserveCaseWithoutCookies() as $name => $values) {
             foreach ($values as $value) {
                 header($name.': '.$value, false, $this->statusCode);
             }
         }
 
+        // cookies
+        foreach ($this->headers->getCookies() as $cookie) {
+            header('Set-Cookie: '.$cookie->getName().strstr($cookie, '='), false, $this->statusCode);
+        }
+
         // status
         header(sprintf('HTTP/%s %s %s', $this->version, $this->statusCode, $this->statusText), true, $this->statusCode);
 

src/Symfony/Component/HttpFoundation/Tests/Fixtures/response-functional/cookie_urlencode.expected

@@ -4,7 +4,7 @@ Array
     [0] => Content-Type: text/plain; charset=utf-8
     [1] => Cache-Control: no-cache, private
     [2] => Date: Sat, 12 Nov 1955 20:04:00 GMT
-    [3] => Set-Cookie: %3F%2A%28%29%3A%40%26%2B%24%2F%25%23%5B%5D=%3F%2A%28%29%3A%40%26%2B%24%2F%25%23%5B%5D; path=/
+    [3] => Set-Cookie: ?*():@&+$/%#[]=%3F%2A%28%29%3A%40%26%2B%24%2F%25%23%5B%5D; path=/
     [4] => Set-Cookie: ?*():@&+$/%#[]=%3F%2A%28%29%3A%40%26%2B%24%2F%25%23%5B%5D; path=/
 )
 shutdown