class.ilSamlIdpMetadataInputGUI.php

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<?php

declare(strict_types=1);

final class ilSamlIdpMetadataInputGUI extends ilTextAreaInputGUI
{
    private const AUTH_SAML_ADD_IDP_MD_ERROR = 'auth_saml_add_idp_md_error';

    public function __construct(string $title, string $httpPostVar, protected ilSamlIdpXmlMetadataParser $idpMetadataParser)
    {
        parent::__construct($title, $httpPostVar);
    }

    public function checkInput(): bool
    {
        $valid = parent::checkInput();
        if (!$valid) {
            return false;
        }

        try {
            $httpValue = $this->raw($this->getPostVar());

            $result = $this->idpMetadataParser->parse($httpValue);
            if ($result->isError()) {
                $this->setAlert(implode(' ', [$this->lng->txt(self::AUTH_SAML_ADD_IDP_MD_ERROR), $result->error()]));
                return false;
            }

            $this->value = $this->stripSlashesAddSpaceFallback($result->value());
        } catch (Exception) {
            $this->setAlert($this->lng->txt(self::AUTH_SAML_ADD_IDP_MD_ERROR));
            return false;
        }

        return true;
    }
}