<?php
/**
* @brief Form helper class for linked screenshots
* @author <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
* @copyright (c) Invision Power Services, Inc.
* @license https://www.invisioncommunity.com/legal/standards/
* @package Invision Community
* @subpackage Downloads
* @since 13 Nov 2015
*/
namespace IPS\downloads\Form;
/* To prevent PHP errors (extending class does not exist) revealing path */
if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
{
header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
exit;
}
/**
* Form helper class for linked screenshots
*/
class _LinkedScreenshots extends \IPS\Helpers\Form\FormAbstract
{
/**
* Validate
*
* @throws \InvalidArgumentException
* @throws \DomainException
* @return TRUE
*/
public function validate()
{
parent::validate();
if ( $this->value )
{
foreach( $this->formatValue() as $value )
{
$value = \IPS\Http\Url::createFromString( $value );
try
{
$response = $value->request()->get();
/* Check MIME */
$contentType = ( isset( $response->httpHeaders['Content-Type'] ) ) ? $response->httpHeaders['Content-Type'] : ( ( isset( $response->httpHeaders['content-type'] ) ) ? $response->httpHeaders['content-type'] : NULL );
if( $contentType )
{
if ( !preg_match( '/^image\/.+$/i', $contentType ) )
{
throw new \DomainException( 'form_url_bad_mime' );
}
}
}
catch ( \IPS\Http\Request\Exception $e )
{
throw new \DomainException( 'form_url_error' );
}
}
}
}
/**
* Get HTML
*
* @return string
*/
public function html()
{
if ( is_array( $this->value ) and !isset( $this->value['values'] ) )
{
$value = array( 'values' => $this->value, 'default' => \IPS\Request::i()->screenshots_primary_screenshot );
}
else
{
$value = $this->value;
}
return \IPS\Theme::i()->getTemplate( 'submit', 'downloads', 'front' )->linkedScreenshotField( $this->name, $value );
}
}