class.ilSamlIdpMetadataInputGUI.php

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<?php
/* Copyright (c) 1998-2017 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilSamlIdpMetadataInputGUI extends \ilTextAreaInputGUI
{
    protected $idpMetadataParser;

    public function __construct($a_title = '', $a_postvar = '', \ilSamlIdpXmlMetadataParser $idpMetadataParser = null)
    {
        parent::__construct($a_title, $a_postvar);
        $this->idpMetadataParser = $idpMetadataParser;
    }

    public function getIdpMetadataParser()
    {
        return $this->idpMetadataParser;
    }

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

        try {
            $httpValue = $_POST[$this->getPostVar()];

            $this->idpMetadataParser->parse($httpValue);
            if ($this->idpMetadataParser->hasErrors()) {
                $this->setAlert(implode('<br />', $this->idpMetadataParser->getErrors()));
                return false;
            }

            if (!$this->idpMetadataParser->getEntityId()) {
                $this->setAlert($GLOBALS['DIC']->language()->txt('auth_saml_add_idp_md_error'));
                return false;
            }
        } catch (\Exception $e) {
            $this->setAlert($GLOBALS['DIC']->language()->txt('auth_saml_add_idp_md_error'));
            return false;
        }

        return true;
    }
}