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caching.md

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Caching

To cache access control policy rule result, you can use several PSR-6 compliant drivers.

The default one is memory, which will set the results in RAM.

The list of implemented drivers are here, do not hesitate to implement your own and make a Pull Request !

Usage

Some of the caching options are arguments of the enforce method.

New options can be configured in the Abac __construct method as well, like the filesystem root for your cache files.

WARNING: For now, do not set an ending slash in the cache_folder value.

use PhpAbac\AbacFactory;

$abac = AbacFactory::getAbac(['policy_rules.yml'], null, [], [
    'cache_folder' => __DIR__ . '/cache'
]);
$abac->enforce('my_rule', $user, $resource, [
    'cache_result' => true,
    'cache_ttl' => 3600,
    'cache_driver' => 'text'
])

In the next versions, some of these options will be put in the Abac constructor, the enforce method will be allowed to do an override of these values.

Drivers

Memory

This is the default one. It will store the results of the enforce method in RAM.

Text

This is a basic filesystem caching driver, which will put the results and the expiration date in a .txt file.