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add cache helper function in config.inc, needed for https://github.com/opnsense/core/issues/3567

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get_cached_json_content() deserialize json data when the file is found and not yet expired, returns null otherwise.
Since there might be some spots in the code where this can be convenient, it seemed like a good idea to wrap it in a function within the legacy code base.
Maybe config.inc is not enterily the right spot for this, but util.inc is quite diverse already.
This commit is contained in:
Ad Schellevis 2019-07-11 18:29:48 +02:00
parent a6cd706755
commit 292358b9e5
1 changed files with 16 additions and 0 deletions
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16
src/etc/inc/config.inc
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@ -301,6 +301,22 @@ function legacy_config_get_interfaces($filters = array())
return $interfaces;
}
/**
* parse stored json content, return empty when not found or expired
*/
function get_cached_json_content($filename, $ttl=3600)
{
$result = null;
if (file_exists($filename)) {
$fstat = stat($filename);
if ((time() - $fstat['mtime']) < $ttl) {
$result = json_decode(file_get_contents($filename), true);
}
}
return $result;
}
$config = parse_config();
/* set timezone */