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<?php
namespace SimpleSAML\Module\statistics;
use SimpleSAML\Configuration;
/**
* @author Andreas Åkre Solberg <andreas.solberg@uninett.no>
* @package SimpleSAMLphp
*/
class Ruleset
{
/** \SimpleSAML\Configuration */
private $statconfig;
/** @var array */
private $availrulenames;
/** @var array */
private $availrules;
/** @var array */
private $available;
/**
* Constructor
*
* @param \SimpleSAML\Configuration $statconfig
*/
public function __construct(Configuration $statconfig)
{
$this->statconfig = $statconfig;
$this->init();
}
/**
* @return void
*/
private function init()
{
$statdir = $this->statconfig->getValue('statdir');
$statrules = $this->statconfig->getValue('statrules');
$timeres = $this->statconfig->getValue('timeres');
/*
* Walk through file lists, and get available [rule][fileslot]...
*/
if (!is_dir($statdir)) {
throw new \Exception('Statisics output directory [' . $statdir . '] does not exist.');
}
$filelist = scandir($statdir);
$this->available = [];
foreach ($filelist as $file) {
if (preg_match('/([a-z0-9_]+)-([a-z0-9_]+)-([0-9]+)\.stat/', $file, $matches)) {
if (array_key_exists($matches[1], $statrules)) {
if (array_key_exists($matches[2], $timeres)) {
$this->available[$matches[1]][$matches[2]][] = $matches[3];
}
}
}
}
if (empty($this->available)) {
throw new \Exception('No aggregated statistics files found in [' . $statdir . ']');
}
/**
* Create array with information about available rules..
*/
$this->availrules = array_keys($statrules);
$available_rules = [];
foreach ($this->availrules as $key) {
$available_rules[$key] = ['name' => $statrules[$key]['name'], 'descr' => $statrules[$key]['descr']];
}
$this->availrulenames = $available_rules;
}
/**
* @return array
*/
public function availableRules()
{
return $this->availrules;
}
/**
* @return array
*/
public function availableRulesNames()
{
return $this->availrulenames;
}
/**
* Resolve which rule is selected. Taking user preference and checks if it exists.
*
* @param string|null $preferRule
* @return string|null
*/
private function resolveSelectedRule($preferRule = null)
{
$rule = $this->statconfig->getString('default', $this->availrules[0]);
if (!empty($preferRule)) {
if (in_array($preferRule, $this->availrules, true)) {
$rule = $preferRule;
}
}
return $rule;
}
/**
* @param string|null $preferRule
* @return \SimpleSAML\Module\statistics\Statistics\Rulesets\BaseRule
*/
public function getRule($preferRule = null)
{
$rule = $this->resolveSelectedRule($preferRule);
$statrulesConfig = $this->statconfig->getConfigItem('statrules');
$statruleConfig = $statrulesConfig->getConfigItem($rule);
$presenterClass = \SimpleSAML\Module::resolveClass(
$statruleConfig->getValue('presenter', 'statistics:BaseRule'),
'Statistics\Rulesets'
);
/** @psalm-suppress InvalidStringClass */
$statrule = new $presenterClass($this->statconfig, $statruleConfig, $rule, $this->available);
/** @var \SimpleSAML\Module\statistics\Statistics\Rulesets\BaseRule $statrule */
return $statrule;
}
}
|
