Skip to content

Use sha1 to reduce the risk of collisions#12

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
sagikazarmark merged 7 commits into from
Aug 2, 2016
Merged

Use sha1 to reduce the risk of collisions #12

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
7 commits
Select commit Hold shift + click to select a range
a50f796
Use sha1 to reduce the risk of collisions
GrahamCampbell Aug 1, 2016
5d3d98c
Only cache if the max age is positive
GrahamCampbell Aug 1, 2016
49369f0
Updated tests
GrahamCampbell Aug 1, 2016
16543f6
Merge pull request #2 from GrahamCampbell/patch-4
GrahamCampbell Aug 1, 2016
5094fef
Support setting a hash_algo
GrahamCampbell Aug 1, 2016
b3aa063
CS
GrahamCampbell Aug 1, 2016
82b565b
Reverted accidental change
GrahamCampbell Aug 1, 2016
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 3 additions & 3 deletions spec/CachePluginSpec.php
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -42,7 +42,7 @@ function it_caches_responses(CacheItemPoolInterface $pool, CacheItemInterface $i
$response->getHeader('Cache-Control')->willReturn(array());
$response->getHeader('Expires')->willReturn(array());

$pool->getItem('e3b717d5883a45ef9493d009741f7c64')->shouldBeCalled()->willReturn($item);
$pool->getItem('d20f64acc6e70b6079845f2fe357732929550ae1')->shouldBeCalled()->willReturn($item);
$item->isHit()->willReturn(false);
$item->set(['response' => $response, 'body' => $httpBody])->willReturn($item)->shouldBeCalled();
$item->expiresAfter(60)->willReturn($item)->shouldBeCalled();
Expand All@@ -63,7 +63,7 @@ function it_doesnt_store_failed_responses(CacheItemPoolInterface $pool, CacheIte
$response->getHeader('Cache-Control')->willReturn(array());
$response->getHeader('Expires')->willReturn(array());

$pool->getItem('e3b717d5883a45ef9493d009741f7c64')->shouldBeCalled()->willReturn($item);
$pool->getItem('d20f64acc6e70b6079845f2fe357732929550ae1')->shouldBeCalled()->willReturn($item);
$item->isHit()->willReturn(false);

$next = function (RequestInterface $request) use ($response) {
Expand DownExpand Up@@ -101,7 +101,7 @@ function it_calculate_age_from_response(CacheItemPoolInterface $pool, CacheItemI
$response->getHeader('Age')->willReturn(array('15'));
$response->getHeader('Expires')->willReturn(array());

$pool->getItem('e3b717d5883a45ef9493d009741f7c64')->shouldBeCalled()->willReturn($item);
$pool->getItem('d20f64acc6e70b6079845f2fe357732929550ae1')->shouldBeCalled()->willReturn($item);
$item->isHit()->willReturn(false);

// 40-15 should be 25
Expand Down
7 changes: 5 additions & 2 deletions src/CachePlugin.php
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -38,7 +38,8 @@ final class CachePlugin implements Plugin
* @param array $config {
*
* @var bool $respect_cache_headers Whether to look at the cache directives or ignore them
* @var int $default_ttl If we do not respect cache headers or can't calculate a good ttl, use this value.
* @var int $default_ttl If we do not respect cache headers or can't calculate a good ttl, use this value
* @var string $hash_algo The hashing algorithm to use when generating cache keys.
* }
*/
public function __construct(CacheItemPoolInterface $pool, StreamFactory $streamFactory, array $config = [])
Expand DownExpand Up@@ -150,7 +151,7 @@ private function getCacheControlDirective(ResponseInterface $response, $name)
*/
private function createCacheKey(RequestInterface $request)
{
return md5($request->getMethod().' '.$request->getUri());
return hash($this->config['hash_algo'], $request->getMethod().' '.$request->getUri());
}

/**
Expand DownExpand Up@@ -196,9 +197,11 @@ private function configureOptions(OptionsResolver $resolver)
$resolver->setDefaults([
'default_ttl' => null,
'respect_cache_headers' => true,
'hash_algo' => 'sha1',
]);

$resolver->setAllowedTypes('default_ttl', ['int', 'null']);
$resolver->setAllowedTypes('respect_cache_headers', 'bool');
$resolver->setAllowedValues('hash_algo', hash_algos());
}
}