8000 [HttpFoundation] Prevent PHP from sending Last-Modified on session start by nicolas-grekas · Pull Request #24878 · symfony/symfony · GitHub
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[HttpFoundation] Prevent PHP from sending Last-Modified on session start #24878

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Merged
merged 1 commit into from
Nov 9, 2017
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[HttpFoundation] Prevent PHP from sending Last-Modified on session start #24878

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3 changes: 3 additions & 0 deletions src/Symfony/Component/HttpFoundation/Session/Storage/Handler/AbstractSessionHandler.php
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Expand Up @@ -32,6 +32,9 @@ abstract class AbstractSessionHandler implements \SessionHandlerInterface, \Sess
public function open($savePath, $sessionName)
{
$this->sessionName = $sessionName;
if (!headers_sent() && !ini_get('session.cache_limiter')) {
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Shouldn't we raise a warning or something in !ini_get('session.cache_limiter') && headers_sent() ?

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not sure, there are many similar checks in the code base already

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Well, this one convinced me... 😅

header(sprintf('Cache-Control: max-age=%d, private, must-revalidate', 60 * (int) ini_get('session.cache_expire')));
}

return true;
}
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2 changes: 1 addition & 1 deletion src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php
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Expand Up @@ -107,7 +107,7 @@ public function __construct(array $options = array(), $handler = null, MetadataB
}

$options += array(
'cache_limiter' => 'private_no_expire',
'cache_limiter' => '',
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the phpdoc with the standard options is wrong now

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fixed in cf4eb46

'cache_expire' => 0,
'use_cookies' => 1,
'lazy_write' => 1,
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3 changes: 1 addition & 2 deletions src/Symfony/Component/HttpFoundation/Tests/Session/Storage/Handler/Fixtures/common.inc
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Expand Up @@ -38,14 +38,13 @@ ini_set('session.use_strict_mode', 1);
ini_set('session.lazy_write', 1);
ini_set('session.name', 'sid');
ini_set('session.save_path', __DIR__);
ini_set('session.cache_limiter', 'private_no_expire');
ini_set('session.cache_limiter', '');

header_remove('X-Powered-By');
header('Content-Type: text/plain; charset=utf-8');

register_shutdown_function(function () {
echo "\n";
header_remove('Last-Modified');
session_write_close();
print_r(headers_list());
echo "shutdown\n";
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2 changes: 1 addition & 1 deletion ...y/Component/HttpFoundation/Tests/Session/Storage/Handler/Fixtures/empty_destroys.expected
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Expand Up @@ -11,7 +11,7 @@ close
Array
(
[0] => Content-Type: text/plain; charset=utf-8
[1] => Cache-Control: private, max-age=10800
[1] => Cache-Control: max-age=10800, private, must-revalidate
[2] => Set-Cookie: sid=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT; Max-Age=0; path=/; secure; HttpOnly
)
shutdown
2 changes: 1 addition & 1 deletion ...ymfony/Component/HttpFoundation/Tests/Session/Storage/Handler/Fixtures/read_only.expected
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Expand Up @@ -9,6 +9,6 @@ close
Array
(
[0] => Content-Type: text/plain; charset=utf-8
[1] => Cache-Control: private, max-age=10800
[1] => Cache-Control: max-age=10800, private, must-revalidate
)
shutdown
2 changes: 1 addition & 1 deletion ...mfony/Component/HttpFoundation/Tests/Session/Storage/Handler/Fixtures/regenerate.expected
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Expand Up @@ -18,7 +18,7 @@ close
Array
(
[0] => Content-Type: text/plain; charset=utf-8
[1] => Cache-Control: private, max-age=10800
[1] => Cache-Control: max-age=10800, private, must-revalidate
[2] => Set-Cookie: sid=random_session_id; path=/; secure; HttpOnly
)
shutdown
2 changes: 1 addition & 1 deletion src/Symfony/Component/HttpFoundation/Tests/Session/Storage/Handler/Fixtures/storage.expected
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Expand Up @@ -15,6 +15,6 @@ $_SESSION is not empty
Array
(
[0] => Content-Type: text/plain; charset=utf-8
[1] => Cache-Control: private, max-age=0
[1] => Cache-Control: max-age=0, private, must-revalidate
)
shutdown
2 changes: 1 addition & 1 deletion ...fony/Component/HttpFoundation/Tests/Session/Storage/Handler/Fixtures/with_cookie.expected
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Expand Up @@ -9,7 +9,7 @@ close
Array
(
[0] => Content-Type: text/plain; charset=utf-8
[1] => Cache-Control: private, max-age=10800
[1] => Cache-Control: max-age=10800, private, must-revalidate
[2] => Set-Cookie: abc=def
)
shutdown
2 changes: 1 addition & 1 deletion src/Symfony/Component/HttpFoundation/Tests/Session/Storage/NativeSessionStorageTest.php
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Expand Up @@ -150,7 +150,7 @@ public function testDefaultSessionCacheLimiter()
$this->iniSet('session.cache_limiter', 'nocache');

$storage = new NativeSessionStorage();
$this->assertEquals('private_no_expire', ini_get('session.cache_limiter'));
$this->assertEquals('', ini_get('session.cache_limiter'));
}

public function testExplicitSessionCacheLimiter()
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0