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home/digilove/public_html/libraries/regularlabs/src/Extension.php000064400000041467152345502460021355 0ustar00<?php
/**
 * @package         Regular Labs Library
 * @version         23.7.24631
 * 
 * @author          Peter van Westen <info@regularlabs.com>
 * @link            https://regularlabs.com
 * @copyright       Copyright © 2023 Regular Labs All Rights Reserved
 * @license         GNU General Public License version 2 or later
 */

namespace RegularLabs\Library;

defined('_JEXEC') or die;

use Joomla\CMS\Component\ComponentHelper as JComponentHelper;
use Joomla\CMS\Factory as JFactory;
use Joomla\CMS\Filesystem\Folder as JFolder;
use Joomla\CMS\Helper\ModuleHelper as JModuleHelper;
use Joomla\CMS\Installer\Installer as JInstaller;
use Joomla\CMS\Language\Text as JText;
use Joomla\CMS\Plugin\PluginHelper as JPluginHelper;

jimport('joomla.filesystem.file');
jimport('joomla.filesystem.folder');

/**
 * Class Extension
 * @package RegularLabs\Library
 */
class Extension
{
    /**
     * Check if all extension types of a given extension are installed
     *
     * @param string $extension
     * @param array  $types
     *
     * @return bool
     */
    public static function areInstalled($extension, $types = ['plugin'])
    {
        foreach ($types as $type)
        {
            $folder = 'system';

            if (is_array($type))
            {
                [$type, $folder] = $type;
            }

            if ( ! self::isInstalled($extension, $type, $folder))
            {
                return false;
            }
        }

        return true;
    }

    public static function disable($alias, $type = 'plugin', $folder = 'system')
    {
        $element = self::getElementByAlias($alias);

        switch ($type)
        {
            case 'module':
                $element = 'mod_' . $element;
                break;

            case 'component':
                $element = 'com_' . $element;
                break;

            default:
                break;
        }

        $db = JFactory::getDbo();

        $query = $db->getQuery(true)
            ->update($db->quoteName('#__extensions'))
            ->set($db->quoteName('enabled') . ' = 0')
            ->where($db->quoteName('element') . ' = ' . $db->quote($element))
            ->where($db->quoteName('type') . ' = ' . $db->quote($type));

        if ($type == 'plugin')
        {
            $query->where($db->quoteName('folder') . ' = ' . $db->quote($folder));
        }

        $db->setQuery($query);
        $db->execute();
    }

    /**
     * Return an alias and element name based on the given extension name
     *
     * @param string $name
     *
     * @return array
     */
    public static function getAliasAndElement(&$name)
    {
        $name    = self::getNameByAlias($name);
        $alias   = self::getAliasByName($name);
        $element = self::getElementByAlias($alias);

        return [$alias, $element];
    }

    /**
     * Return an alias based on the given extension name
     *
     * @param string $name
     *
     * @return string
     */
    public static function getAliasByName($name)
    {
        $alias = RegEx::replace('[^a-z0-9]', '', strtolower($name));

        switch ($alias)
        {
            case 'advancedmodules':
                return 'advancedmodulemanager';

            case 'advancedtemplates':
                return 'advancedtemplatemanager';

            case 'nonumbermanager':
                return 'nonumberextensionmanager';

            case 'what-nothing':
                return 'whatnothing';

            default:
                return $alias;
        }
    }

    public static function getById($id)
    {
        $db = JFactory::getDbo();

        $query = $db->getQuery(true)
            ->select($db->quoteName(['extension_id', 'manifest_cache']))
            ->from($db->quoteName('#__extensions'))
            ->where($db->quoteName('extension_id') . ' = ' . (int) $id);
        $db->setQuery($query);

        return $db->loadObject();
    }

    /**
     * Return an element name based on the given extension alias
     *
     * @param string $alias
     *
     * @return string
     */
    public static function getElementByAlias($alias)
    {
        $alias = self::getAliasByName($alias);

        switch ($alias)
        {
            case 'advancedmodulemanager':
                return 'advancedmodules';

            case 'advancedtemplatemanager':
                return 'advancedtemplates';

            case 'nonumberextensionmanager':
                return 'nonumbermanager';

            default:
                return $alias;
        }
    }

    /**
     * Return the name based on the given extension alias
     *
     * @param string $alias
     *
     * @return string
     */
    public static function getNameByAlias($alias)
    {
        // Alias is a language string
        if (strpos($alias, ' ') === false && strtoupper($alias) == $alias)
        {
            return JText::_($alias);
        }

        // Alias has a space and/or capitals, so is already a name
        if (strpos($alias, ' ') !== false || $alias !== strtolower($alias))
        {
            return $alias;
        }

        return JText::_(self::getXMLValue('name', $alias));
    }

    /**
     * Get the full path to the extension folder
     *
     * @param string $extension
     * @param string $basePath
     * @param string $check_folder
     *
     * @return string
     */
    public static function getPath($extension = 'plg_system_regularlabs', $basePath = JPATH_ADMINISTRATOR, $check_folder = '')
    {
        $basePath = $basePath ?: JPATH_SITE;

        if ( ! in_array($basePath, [JPATH_ADMINISTRATOR, JPATH_SITE]))
        {
            return $basePath;
        }

        $extension = str_replace('.sys', '', $extension);

        switch (true)
        {
            case (strpos($extension, 'mod_') === 0):
                $path = 'modules/' . $extension;
                break;

            case (strpos($extension, 'plg_') === 0):
                [$prefix, $folder, $name] = explode('_', $extension, 3);
                $path = 'plugins/' . $folder . '/' . $name;
                break;

            case (strpos($extension, 'com_') === 0):
            default:
                $path = 'components/' . $extension;
                break;
        }

        $check_folder = $check_folder ? '/' . $check_folder : '';

        if (is_dir($basePath . '/' . $path . $check_folder))
        {
            return $basePath . '/' . $path;
        }

        if (is_dir(JPATH_ADMINISTRATOR . '/' . $path . $check_folder))
        {
            return JPATH_ADMINISTRATOR . '/' . $path;
        }

        if (is_dir(JPATH_SITE . '/' . $path . $check_folder))
        {
            return JPATH_SITE . '/' . $path;
        }

        return $basePath;
    }

    /**
     * Return an extensions main xml array
     *
     * @param string $alias
     * @param string $type
     * @param string $folder
     *
     * @return array|bool
     */
    public static function getXML($alias, $type = '', $folder = '')
    {
        if ( ! $file = self::getXMLFile($alias, $type, $folder))
        {
            return false;
        }

        return JInstaller::parseXMLInstallFile($file);
    }

    /**
     * Return an extensions main xml file name (including path)
     *
     * @param string $alias
     * @param string $type
     * @param string $folder
     *
     * @return string
     */
    public static function getXMLFile($alias, $type = '', $folder = '')
    {
        $element = self::getElementByAlias($alias);

        $files = [];

        // Components
        if (empty($type) || $type == 'component')
        {
            $files[] = JPATH_ADMINISTRATOR . '/components/com_' . $element . '/' . $element . '.xml';
            $files[] = JPATH_SITE . '/components/com_' . $element . '/' . $element . '.xml';
            $files[] = JPATH_ADMINISTRATOR . '/components/com_' . $element . '/com_' . $element . '.xml';
            $files[] = JPATH_SITE . '/components/com_' . $element . '/com_' . $element . '.xml';
        }

        // Plugins
        if (empty($type) || $type == 'plugin')
        {
            if ( ! empty($folder))
            {
                $files[] = JPATH_PLUGINS . '/' . $folder . '/' . $element . '/' . $element . '.xml';
            }

            // System Plugins
            $files[] = JPATH_PLUGINS . '/system/' . $element . '/' . $element . '.xml';

            // Editor Button Plugins
            $files[] = JPATH_PLUGINS . '/editors-xtd/' . $element . '/' . $element . '.xml';

            // Field Plugins
            $field_name = RegEx::replace('field$', '', $element);
            $files[]    = JPATH_PLUGINS . '/fields/' . $field_name . '/' . $field_name . '.xml';
        }

        // Modules
        if (empty($type) || $type == 'module')
        {
            $files[] = JPATH_ADMINISTRATOR . '/modules/mod_' . $element . '/' . $element . '.xml';
            $files[] = JPATH_SITE . '/modules/mod_' . $element . '/' . $element . '.xml';
            $files[] = JPATH_ADMINISTRATOR . '/modules/mod_' . $element . '/mod_' . $element . '.xml';
            $files[] = JPATH_SITE . '/modules/mod_' . $element . '/mod_' . $element . '.xml';
        }

        foreach ($files as $file)
        {
            if ( ! file_exists($file))
            {
                continue;
            }

            return $file;
        }

        return '';
    }

    /**
     * Return a value from an extensions main xml file based on the given key
     *
     * @param string $key
     * @param string $alias
     * @param string $type
     * @param string $folder
     *
     * @return string
     */
    public static function getXMLValue($key, $alias, $type = '', $folder = '')
    {
        if ( ! $xml = self::getXML($alias, $type, $folder))
        {
            return '';
        }

        if ( ! isset($xml[$key]))
        {
            return '';
        }

        return $xml[$key] ?? '';
    }

    public static function isAuthorised($require_core_auth = true)
    {
        $user = JFactory::getApplication()->getIdentity() ?: JFactory::getUser();

        if ($user->get('guest'))
        {
            return false;
        }

        if ( ! $require_core_auth)
        {
            return true;
        }

        if (
            ! $user->authorise('core.edit', 'com_content')
            && ! $user->authorise('core.edit.own', 'com_content')
            && ! $user->authorise('core.create', 'com_content')
        )
        {
            return false;
        }

        return true;
    }

    /**
     * Check if the Regular Labs Library is enabled
     *
     * @return bool
     */
    public static function isEnabled($extension, $type = 'component', $folder = 'system')
    {
        $extension = strtolower($extension);

        if ( ! self::isInstalled($extension, $type, $folder))
        {
            return false;
        }

        switch ($type)
        {
            case 'component':
                return JComponentHelper::isEnabled($extension);

            case 'plugin':
                return JPluginHelper::isEnabled($folder, $extension);

            case 'module':
                return JModuleHelper::isEnabled($extension);

            default:
                return false;
        }
    }

    public static function isEnabledInArea($params)
    {
        if ( ! isset($params->enable_frontend))
        {
            return true;
        }

        // Only allow in frontend
        if ($params->enable_frontend == 2 && Document::isClient('administrator'))
        {
            return false;
        }

        // Do not allow in frontend
        if ( ! $params->enable_frontend && Document::isClient('site'))
        {
            return false;
        }

        return true;
    }

    public static function isEnabledInComponent($params)
    {
        if ( ! isset($params->disabled_components))
        {
            return true;
        }

        return ! Protect::isRestrictedComponent($params->disabled_components);
    }

    /**
     * Check if the Regular Labs Library is enabled
     *
     * @return bool
     */
    public static function isFrameworkEnabled()
    {
        return JPluginHelper::isEnabled('system', 'regularlabs');
    }

    /**
     * Check if the given extension is installed
     *
     * @param string $extension
     * @param string $type
     * @param string $folder
     *
     * @return bool
     */
    public static function isInstalled($extension, $type = 'component', $folder = 'system')
    {
        $extension = strtolower($extension);

        switch ($type)
        {
            case 'component':
                if (file_exists(JPATH_ADMINISTRATOR . '/components/com_' . $extension . '/' . $extension . '.php')
                    || file_exists(JPATH_ADMINISTRATOR . '/components/com_' . $extension . '/admin.' . $extension . '.php')
                    || file_exists(JPATH_SITE . '/components/com_' . $extension . '/' . $extension . '.php')
                )
                {
                    if ($extension == 'cookieconfirm' && file_exists(JPATH_ADMINISTRATOR . '/components/com_cookieconfirm/version.php'))
                    {
                        // Only Cookie Confirm 2.0.0.rc1 and above is supported, because
                        // previous versions don't have isCookiesAllowed()
                        require_once JPATH_ADMINISTRATOR . '/components/com_cookieconfirm/version.php';

                        if (version_compare(COOKIECONFIRM_VERSION, '2.2.0.rc1', '<'))
                        {
                            return false;
                        }
                    }

                    return true;
                }
                break;

            case 'plugin':
                return file_exists(JPATH_PLUGINS . '/' . $folder . '/' . $extension . '/' . $extension . '.php');

            case 'module':
                return (file_exists(JPATH_ADMINISTRATOR . '/modules/mod_' . $extension . '/' . $extension . '.php')
                    || file_exists(JPATH_ADMINISTRATOR . '/modules/mod_' . $extension . '/mod_' . $extension . '.php')
                    || file_exists(JPATH_SITE . '/modules/mod_' . $extension . '/' . $extension . '.php')
                    || file_exists(JPATH_SITE . '/modules/mod_' . $extension . '/mod_' . $extension . '.php')
                );

            case 'library':
                return JFolder::exists(JPATH_LIBRARIES . '/' . $extension);

            default:
                return false;
        }
    }

    public static function orderPluginFirst($name, $folder = 'system')
    {
        $db = JFactory::getDbo();

        $query = $db->getQuery(true)
            ->select(['e.ordering'])
            ->from($db->quoteName('#__extensions', 'e'))
            ->where('e.type = ' . $db->quote('plugin'))
            ->where('e.folder = ' . $db->quote($folder))
            ->where('e.element = ' . $db->quote($name));
        $db->setQuery($query);

        $current_ordering = $db->loadResult();

        if ($current_ordering == '')
        {
            return;
        }

        $query = $db->getQuery(true)
            ->select('e.ordering')
            ->from($db->quoteName('#__extensions', 'e'))
            ->where('e.type = ' . $db->quote('plugin'))
            ->where('e.folder = ' . $db->quote($folder))
            ->where('e.manifest_cache LIKE ' . $db->quote('%"author":"Regular Labs%'))
            ->where('e.element != ' . $db->quote($name))
            ->order('e.ordering ASC');
        $db->setQuery($query);

        $min_ordering = $db->loadResult();

        if ($min_ordering == '')
        {
            return;
        }

        if ($current_ordering < $min_ordering)
        {
            return;
        }

        if ($min_ordering < 1 || $current_ordering == $min_ordering)
        {
            $new_ordering = max($min_ordering, 1);

            $query = $db->getQuery(true)
                ->update($db->quoteName('#__extensions'))
                ->set($db->quoteName('ordering') . ' = ' . $new_ordering)
                ->where($db->quoteName('ordering') . ' = ' . $min_ordering)
                ->where($db->quoteName('type') . ' = ' . $db->quote('plugin'))
                ->where($db->quoteName('folder') . ' = ' . $db->quote($folder))
                ->where($db->quoteName('element') . ' != ' . $db->quote($name))
                ->where($db->quoteName('manifest_cache') . ' LIKE ' . $db->quote('%"author":"Regular Labs%'));
            $db->setQuery($query);
            $db->execute();

            $min_ordering = $new_ordering;
        }

        if ($current_ordering == $min_ordering)
        {
            return;
        }

        $new_ordering = $min_ordering - 1;

        $query = $db->getQuery(true)
            ->update($db->quoteName('#__extensions'))
            ->set($db->quoteName('ordering') . ' = ' . $new_ordering)
            ->where($db->quoteName('type') . ' = ' . $db->quote('plugin'))
            ->where($db->quoteName('folder') . ' = ' . $db->quote($folder))
            ->where($db->quoteName('element') . ' = ' . $db->quote($name));
        $db->setQuery($query);
        $db->execute();
    }
}
home/digilove/public_html/110/libraries/src/Table/Extension.php000064400000011525152352026740020372 0ustar00<?php
/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2008 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\Table;

defined('JPATH_PLATFORM') or die;

use Joomla\Registry\Registry;
use Joomla\Utilities\ArrayHelper;

/**
 * Extension table
 *
 * @since  1.7.0
 */
class Extension extends Table
{
	/**
	 * Constructor
	 *
	 * @param   \JDatabaseDriver  $db  Database driver object.
	 *
	 * @since   1.7.0
	 */
	public function __construct($db)
	{
		parent::__construct('#__extensions', 'extension_id', $db);

		// Set the alias since the column is called enabled
		$this->setColumnAlias('published', 'enabled');
	}

	/**
	 * Overloaded check function
	 *
	 * @return  boolean  True if the object is ok
	 *
	 * @see     Table::check()
	 * @since   1.7.0
	 */
	public function check()
	{
		// Check for valid name
		if (trim($this->name) == '' || trim($this->element) == '')
		{
			$this->setError(\JText::_('JLIB_DATABASE_ERROR_MUSTCONTAIN_A_TITLE_EXTENSION'));

			return false;
		}

		if (!$this->extension_id)
		{
			if (!$this->custom_data)
			{
				$this->custom_data = '';
			}

			if (!$this->system_data)
			{
				$this->system_data = '';
			}
		}

		return true;
	}

	/**
	 * Overloaded bind function
	 *
	 * @param   array  $array   Named array
	 * @param   mixed  $ignore  An optional array or space separated list of properties
	 * to ignore while binding.
	 *
	 * @return  mixed  Null if operation was satisfactory, otherwise returns an error
	 *
	 * @see     Table::bind()
	 * @since   1.7.0
	 */
	public function bind($array, $ignore = '')
	{
		if (isset($array['params']) && is_array($array['params']))
		{
			$registry = new Registry($array['params']);
			$array['params'] = (string) $registry;
		}

		if (isset($array['control']) && is_array($array['control']))
		{
			$registry = new Registry($array['control']);
			$array['control'] = (string) $registry;
		}

		return parent::bind($array, $ignore);
	}

	/**
	 * Method to create and execute a SELECT WHERE query.
	 *
	 * @param   array  $options  Array of options
	 *
	 * @return  string  The database query result
	 *
	 * @since   1.7.0
	 */
	public function find($options = array())
	{
		// Get the \JDatabaseQuery object
		$query = $this->_db->getQuery(true);

		foreach ($options as $col => $val)
		{
			$query->where($col . ' = ' . $this->_db->quote($val));
		}

		$query->select($this->_db->quoteName('extension_id'))
			->from($this->_db->quoteName('#__extensions'));
		$this->_db->setQuery($query);

		return $this->_db->loadResult();
	}

	/**
	 * Method to set the publishing state for a row or list of rows in the database
	 * table.  The method respects checked out rows by other users and will attempt
	 * to checkin rows that it can after adjustments are made.
	 *
	 * @param   mixed    $pks     An optional array of primary key values to update.  If not
	 *                            set the instance property value is used.
	 * @param   integer  $state   The publishing state. eg. [0 = unpublished, 1 = published]
	 * @param   integer  $userId  The user id of the user performing the operation.
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   1.7.0
	 */
	public function publish($pks = null, $state = 1, $userId = 0)
	{
		$k = $this->_tbl_key;

		// Sanitize input.
		$pks = ArrayHelper::toInteger($pks);
		$userId = (int) $userId;
		$state = (int) $state;

		// If there are no primary keys set check to see if the instance key is set.
		if (empty($pks))
		{
			if ($this->$k)
			{
				$pks = array($this->$k);
			}
			// Nothing to set publishing state on, return false.
			else
			{
				$this->setError(\JText::_('JLIB_DATABASE_ERROR_NO_ROWS_SELECTED'));

				return false;
			}
		}

		// Build the WHERE clause for the primary keys.
		$where = $k . '=' . implode(' OR ' . $k . '=', $pks);

		// Determine if there is checkin support for the table.
		if (!property_exists($this, 'checked_out') || !property_exists($this, 'checked_out_time'))
		{
			$checkin = '';
		}
		else
		{
			$checkin = ' AND (checked_out = 0 OR checked_out = ' . (int) $userId . ')';
		}

		// Update the publishing state for rows with the given primary keys.
		$query = $this->_db->getQuery(true)
			->update($this->_db->quoteName($this->_tbl))
			->set($this->_db->quoteName('enabled') . ' = ' . (int) $state)
			->where('(' . $where . ')' . $checkin);
		$this->_db->setQuery($query);
		$this->_db->execute();

		// If checkin is supported and all rows were adjusted, check them in.
		if ($checkin && (count($pks) == $this->_db->getAffectedRows()))
		{
			// Checkin the rows.
			foreach ($pks as $pk)
			{
				$this->checkin($pk);
			}
		}

		// If the Table instance value is in the list of primary keys that were set, set the instance.
		if (in_array($this->$k, $pks))
		{
			$this->enabled = $state;
		}

		$this->setError('');

		return true;
	}
}
home/digilove/public_html/110/libraries/fof30/Update/Extension.php000064400000006525152355250360020717 0ustar00<?php
/**
 * @package     FOF
 * @copyright   Copyright (c)2010-2019 Nicholas K. Dionysopoulos / Akeeba Ltd
 * @license     GNU GPL version 2 or later
 */

namespace FOF30\Update;

use FOF30\Container\Container;
use FOF30\Download\Download;
use Exception;
use SimpleXMLElement;

defined('_JEXEC') or die;

/**
 * A helper class to read and parse "extension" update XML files over the web
 */
class Extension
{
	/**
	 * Reads an "extension" XML update source and returns all listed update entries.
	 *
	 * If you have a "collection" XML update source you should do something like this:
	 * $collection = new F0FUtilsUpdateCollection();
	 * $extensionUpdateURL = $collection->getExtensionUpdateSource($url, 'component', 'com_foobar', JVERSION);
	 * $extension = new F0FUtilsUpdateExtension();
	 * $updates = $extension->getUpdatesFromExtension($extensionUpdateURL);
	 *
	 * @param   string  $url  The extension XML update source URL to read from
	 *
	 * @return  array  An array of update entries
	 */
	public function getUpdatesFromExtension($url)
	{
		// Initialise
		$ret = array();

		// Get and parse the XML source
		$container = Container::getInstance('com_FOOBAR');
		$downloader = new Download($container);
		$xmlSource = $downloader->getFromURL($url);

		try
		{
			$xml = new SimpleXMLElement($xmlSource, LIBXML_NONET);
		}
		catch(Exception $e)
		{
			return $ret;
		}

		// Sanity check
		if (($xml->getName() != 'updates'))
		{
			unset($xml);

			return $ret;
		}

		// Let's populate the list of updates
		/** @var SimpleXMLElement $update */
		foreach ($xml->children() as $update)
		{
			// Sanity check
			if ($update->getName() != 'update')
			{
				continue;
			}

			$entry = array(
				'infourl'			=> array('title' => '', 'url' => ''),
				'downloads'			=> array(),
				'tags'				=> array(),
				'targetplatform'	=> array(),
			);

			$properties = get_object_vars($update);

			foreach ($properties as $nodeName => $nodeContent)
			{
				switch ($nodeName)
				{
					default:
						$entry[$nodeName] = $nodeContent;
						break;

					case 'infourl':
					case 'downloads':
					case 'tags':
					case 'targetplatform':
						break;
				}
			}

			$infourlNode = $update->xpath('infourl');
			$entry['infourl']['title'] = (string)$infourlNode[0]['title'];
			$entry['infourl']['url'] = (string)$infourlNode[0];

			$downloadNodes = $update->xpath('downloads/downloadurl');
			foreach ($downloadNodes as $downloadNode)
			{
				$entry['downloads'][] = array(
					'type'		=> (string)$downloadNode['type'],
					'format'	=> (string)$downloadNode['format'],
					'url'		=> (string)$downloadNode,
				);
			}

			$tagNodes = $update->xpath('tags/tag');
			foreach ($tagNodes as $tagNode)
			{
				$entry['tags'][] = (string)$tagNode;
			}

			/** @var SimpleXMLElement[] $targetPlatformNode */
			$targetPlatformNode = $update->xpath('targetplatform');

			$entry['targetplatform']['name'] = (string)$targetPlatformNode[0]['name'];
			$entry['targetplatform']['version'] = (string)$targetPlatformNode[0]['version'];
			$client = $targetPlatformNode[0]->xpath('client');
			$entry['targetplatform']['client'] = (is_array($client) && count($client)) ? (string)$client[0] : '';
			$folder = $targetPlatformNode[0]->xpath('folder');
			$entry['targetplatform']['folder'] = is_array($folder) && count($folder) ? (string)$folder[0] : '';

			$ret[] = $entry;
		}

		unset($xml);

		return $ret;
	}
}
home/digilove/public_html/110/libraries/fof40/Update/Extension.php000064400000006666152376731050020731 0ustar00<?php
/**
 * @package   FOF
 * @copyright Copyright (c)2010-2022 Nicholas K. Dionysopoulos / Akeeba Ltd
 * @license   GNU General Public License version 3, or later
 */

namespace FOF40\Update;

defined('_JEXEC') || die;

use Exception;
use FOF40\Container\Container;
use FOF40\Download\Download;
use SimpleXMLElement;

/**
 * A helper class to read and parse "extension" update XML files over the web
 */
class Extension
{
	/**
	 * Reads an "extension" XML update source and returns all listed update entries.
	 *
	 * If you have a "collection" XML update source you should do something like this:
	 * $collection = new \FOF40\Update\Collection();
	 * $extensionUpdateURL = $collection->getExtensionUpdateSource($url, 'component', 'com_foobar', JVERSION);
	 * $extension = new \FOF40\Update\Extension();
	 * $updates = $extension->getUpdatesFromExtension($extensionUpdateURL);
	 *
	 * @param string $url The extension XML update source URL to read from
	 *
	 * @return  array  An array of update entries
	 */
	public function getUpdatesFromExtension(string $url): array
	{
		// Initialise
		$ret = [];

		// Get and parse the XML source
		$container  = Container::getInstance('com_FOOBAR');
		$downloader = new Download($container);
		$xmlSource  = $downloader->getFromURL($url);

		try
		{
			$xml = new SimpleXMLElement($xmlSource, LIBXML_NONET);
		}
		catch (Exception $e)
		{
			return $ret;
		}

		// Sanity check
		if (($xml->getName() != 'updates'))
		{
			unset($xml);

			return $ret;
		}

		// Let's populate the list of updates
		/** @var SimpleXMLElement $update */
		foreach ($xml->children() as $update)
		{
			// Sanity check
			if ($update->getName() != 'update')
			{
				continue;
			}

			$entry = [
				'infourl'        => ['title' => '', 'url' => ''],
				'downloads'      => [],
				'tags'           => [],
				'targetplatform' => [],
			];

			$properties = get_object_vars($update);

			foreach ($properties as $nodeName => $nodeContent)
			{
				switch ($nodeName)
				{
					default:
						$entry[$nodeName] = $nodeContent;
						break;

					case 'infourl':
					case 'downloads':
					case 'tags':
					case 'targetplatform':
						break;
				}
			}

			$infourlNode               = $update->xpath('infourl');
			$entry['infourl']['title'] = (string) $infourlNode[0]['title'];
			$entry['infourl']['url']   = (string) $infourlNode[0];

			$downloadNodes = $update->xpath('downloads/downloadurl');
			foreach ($downloadNodes as $downloadNode)
			{
				$entry['downloads'][] = [
					'type'   => (string) $downloadNode['type'],
					'format' => (string) $downloadNode['format'],
					'url'    => (string) $downloadNode,
				];
			}

			$tagNodes = $update->xpath('tags/tag');
			foreach ($tagNodes as $tagNode)
			{
				$entry['tags'][] = (string) $tagNode;
			}

			/** @var SimpleXMLElement[] $targetPlatformNode */
			$targetPlatformNode = $update->xpath('targetplatform');

			$entry['targetplatform']['name']    = (string) $targetPlatformNode[0]['name'];
			$entry['targetplatform']['version'] = (string) $targetPlatformNode[0]['version'];
			$client                             = $targetPlatformNode[0]->xpath('client');
			$entry['targetplatform']['client']  = (is_array($client) && count($client)) ? (string) $client[0] : '';
			$folder                             = $targetPlatformNode[0]->xpath('folder');
			$entry['targetplatform']['folder']  = is_array($folder) && count($folder) ? (string) $folder[0] : '';

			$ret[] = $entry;
		}

		unset($xml);

		return $ret;
	}
}