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<?php
/**
* @package Sven.Bluege
* @subpackage com_eventgallery
*
* @copyright Copyright (C) 2005 - 2019 Sven Bluege All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
// Check to ensure this file is included in Joomla!
defined('_JEXEC') or die('Restricted access');
use Joomla\Component\Eventgallery\Site\Library\Connector\Flickr;
jimport('joomla.form.formfield');
require_once JPATH_ADMINISTRATOR . '/components/com_eventgallery/helpers/backendmedialoader.php';
// The class name must always be the same as the filename (in camel case)
class JFormFieldFlickrauthtoken extends JFormField
{
//The field class must know its own type through the variable $type.
protected $type = 'flickrauthtoken';
public function getInput()
{
EventgalleryHelpersBackendmedialoader::load();
$id = $this->form->getValue("id");
/**
* @var EventgalleryLibraryFactoryFlickraccount $accountFactory
*
*/
$accountFactory = EventgalleryLibraryFactoryFlickraccount::getInstance();
$flickrAccount = $accountFactory->getAccountById($id);
$auth_token_secret = "";
$return = [];
if ($flickrAccount != null) {
$auth_token_secret = $flickrAccount->getAuthTokenSecret();
}
$redirectUrl = $this->getRedirectUrl($flickrAccount);
if (!empty($redirectUrl)) {
$return[] = '<div class="input-group">';
$return[] = '<a href="'.$redirectUrl.'" class="btn active btn-success">' . JText::_('COM_EVENTGALLERY_FLICKR_AUTHTOKEN_BUTTON_LABEL') . '</a>';
$return[] = '<input class="form-control" name="' . $this->name . '" value="' . $this->value . '" id="' . $this->id . '"/>';
$return[] = '<input type="password" class="form-control" name="' . str_replace('auth_token', 'auth_token_secret', $this->name) . '" value="' . $auth_token_secret . '" id="' . str_replace('auth_token', 'auth_token_secret', $this->id) . '"/><br>';
$return[] = '</div>';
} else {
$return[] = JText::_('COM_EVENTGALLERY_FLICKRACCOUNT_AUTHTOKEN_CLIENT_CREDENTIALS_MISSING_LABEL') ;
}
return implode('', $return);
}
private function getRedirectUrl($flickrAccount) {
if (empty($flickrAccount)) return;
$callbackUrl = \Joomla\CMS\Router\Route::_('index.php?option=com_eventgallery&task=flickraccount.flickrcallback&accountid='. $flickrAccount->getId() , false, 1, true);
$oauth_nonce = '12345';
$oauth_timestamp = time();
$requestTokenUrl = "https://www.flickr.com/services/oauth/request_token?oauth_nonce=$oauth_nonce&oauth_timestamp=$oauth_timestamp&oauth_consumer_key={$flickrAccount->getAPIKey()}&oauth_signature_method=HMAC-SHA1&oauth_version=1.0&oauth_callback=".urlencode($callbackUrl);
$signedRequestTokenUrl = Flickr::appendSignaturetoUrl('GET', $requestTokenUrl, $flickrAccount->getAPISecret(), null);
$result = \JHttpFactory::getHttp()->get($signedRequestTokenUrl, [], 5);
parse_str($result->body, $tokenData);
if (!isset($tokenData['oauth_token'])) {
//echo "<pre>".$result->body."</pre>";
return "";
}
$oauth_token = $tokenData['oauth_token'];
$oauth_token_secret = $tokenData['oauth_token_secret'];
$session = \Joomla\CMS\Factory::getSession();
$session->set('flickr_oauth_token_secret', $oauth_token_secret);
return "https://www.flickr.com/services/oauth/authorize?oauth_token=$oauth_token";
}
}