class.ilSimpleSAMLphplIdpDiscovery.php

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<?php

declare(strict_types=1);

class ilSimpleSAMLphplIdpDiscovery extends SimpleSAML\XHTML\IdPDisco implements ilSamlIdpDiscovery
{
    private const METADATA_DIRECTORY = 'auth/saml/metadata';

    public function __construct()
    {
        $this->config = SimpleSAML\Configuration::getInstance();
        $this->metadata = SimpleSAML\Metadata\MetaDataStorageHandler::getMetadataHandler();
        $this->instance = 'saml';
        $this->metadataSets = ['saml20-idp-remote'];
        $this->isPassive = false;
    }

    public function getMetadataDirectory(): string
    {
        return self::METADATA_DIRECTORY;
    }

    public function getList(): array
    {
        return $this->getIdPList();
    }

    private function getMetadataPath(int $idpId): string
    {
        return $this->getMetadataDirectory() . '/' . $idpId . '.xml';
    }

    public function storeIdpMetadata(int $idpId, string $metadata): void
    {
        global $DIC;

        $fs = $DIC->filesystem()->storage();

        $fs->put($this->getMetadataPath($idpId), $metadata);
    }

    public function fetchIdpMetadata(int $idpId): string
    {
        global $DIC;

        $fs = $DIC->filesystem()->storage();

        if (!$fs->has($this->getMetadataPath($idpId))) {
            return '';
        }

        return $fs->read($this->getMetadataPath($idpId));
    }

    public function deleteIdpMetadata(int $idpId): void
    {
        global $DIC;

        $fs = $DIC->filesystem()->storage();

        if ($fs->has($this->getMetadataPath($idpId))) {
            $fs->delete($this->getMetadataPath($idpId));
        }
    }
}