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Current File : /var/www/administrator/components/com_jcomments/script.jcomments.php

<?php
/**
 * JComments - Joomla Comment System
 *
 * @version 3.0
 * @package JComments
 * @author Sergey M. Litvinov (smart@joomlatune.ru)
 * @copyright (C) 2006-2013 by Sergey M. Litvinov (http://www.joomlatune.ru)
 * @license GNU/GPL: http://www.gnu.org/copyleft/gpl.html
 */

defined('_JEXEC') or die;

jimport('joomla.filesystem.folder');
jimport('joomla.filesystem.file');
jimport('joomla.filesystem.archive');
jimport('joomla.filesystem.path');
jimport('joomla.error.error');

class com_jcommentsInstallerScript
{
	function preflight($type, $parent)
	{
		if (!version_compare(JVERSION, '2.5.1', 'ge')) {
			echo "<h1>Unsupported Joomla! version</h1>";
			echo "<p>This component can only be installed on Joomla! 2.5.1 or later</p>";

			return false;
		}

		return true;
	}

	function postflight($type, $parent)
	{
		$db = JFactory::getDBO();

		$language = JFactory::getLanguage();
		$language->load('com_jcomments', JPATH_ADMINISTRATOR, 'en-GB', true);
		$language->load('com_jcomments', JPATH_ADMINISTRATOR, null, true);

		$messages = array();
		$messages['content'] = JText::_('A_INSTALL_PLUGIN_CONTENT');
		$messages['search'] = JText::_('A_INSTALL_PLUGIN_SEARCH');
		$messages['system'] = JText::_('A_INSTALL_PLUGIN_SYSTEM');
		$messages['user'] = JText::_('A_INSTALL_PLUGIN_USER');
		$messages['editors-xtd'] = JText::_('A_INSTALL_PLUGIN_EDITORS_XTD');

		$data = new stdClass;
		$data->title = JText::_('A_INSTALL_LOG');
		$data->finish = JText::_('A_INSTALL_COMPLETE');
		$data->next = JUri::root() . 'administrator/index.php?option=com_jcomments&view=settings';
		$data->messages = array();
		$data->plugins = array();

		$src = $parent->getParent()->getPath('source');
		$manifest = $parent->getParent()->manifest;
		$plugins = $manifest->xpath('plugins/plugin');

		foreach ($plugins as $plugin) {
			$name = (string)$plugin->attributes()->plugin;
			$group = (string)$plugin->attributes()->group;
			$path = $src . '/plugins/' . $group;
			if (JFolder::exists($src . '/plugins/' . $group . '/' . $name)) {
				$path = $src . '/plugins/' . $group . '/' . $name;
			}
			$installer = new JInstaller;
			$result = $installer->install($path);

			$query = $db->getQuery(true);
			$query->update($db->quoteName('#__extensions'));
			$query->set($db->quoteName('enabled') . ' = 1');
			$query->where($db->quoteName('type') . ' = ' . $db->Quote('plugin'));
			$query->where($db->quoteName('element') . ' = ' . $db->Quote($name));
			$query->where($db->quoteName('folder') . ' = ' . $db->Quote($group));
			$db->setQuery($query);
			$db->execute();

			if (isset($messages[$group])) {
				$data->messages[] = array('text' => $messages[$group], 'result' => $result);
				unset($messages[$group]);
			}

			$data->plugins[] = array('name' => $name, 'group' => $group, 'result' => $result);
		}

		// Extract plugins for integration with 3rd party extensions
		$source = JPATH_SITE . '/components/com_jcomments/plugins/plugins.zip';
		$destination = JPATH_SITE . '/components/com_jcomments/plugins/';
		JArchive::extract($source, $destination);
		JFile::delete($source);

		// Execute database updates
		$scripts = JFolder::files(JPATH_ROOT . '/administrator/components/com_jcomments/install/sql/updates', '\.sql',
								  true, true);
		foreach ($scripts as $script) {
			// TODO: compare current and previous versions number
			$this->executeSQL($script);
		}

		// Fix default guest usergroup in com_users parameters
		// $this->fixGuestUsergroup();

		// Load default settings
		$query = $db->getQuery(true);
		$query->select('COUNT(*)');
		$query->from($db->quoteName('#__jcomments_settings'));
		$db->setQuery($query);
		$count = $db->loadResult();

		if ($count == 0) {
			$this->executeSQL(JPATH_ROOT . '/administrator/components/com_jcomments/install/sql/default.settings.sql');
			$this->fixUsergroups();
		}

		// Load default custom bbcodes
		$query = $db->getQuery(true);
		$query->select('COUNT(*)');
		$query->from($db->quoteName('#__jcomments_custom_bbcodes'));
		$db->setQuery($query);
		$count = $db->loadResult();

		if ($count == 0) {
			$this->executeSQL(JPATH_ROOT . '/administrator/components/com_jcomments/install/sql/default.custom_bbcodes.sql');
			$this->fixUsergroupsCustomBBCodes();
		}

		// Load default smilies
		$query = $db->getQuery(true);
		$query->select('COUNT(*)');
		$query->from($db->quoteName('#__jcomments_smilies'));
		$db->setQuery($query);
		$count = $db->loadResult();

		if ($count == 0) {
			$this->executeSQL(JPATH_ROOT . '/administrator/components/com_jcomments/install/sql/default.smilies.sql');
		}

		// Some fixes
		$this->fixComponentName();

		// Copy JomSocial rule
		$source = JPATH_ROOT . '/administrator/components/com_jcomments/install/xml/jomsocial_rule.xml';
		$destination = JPATH_SITE . '/components/com_jcomments/jomsocial_rule.xml';
		if (!is_file($destination)) {
			JFile::copy($source, $destination);
		}

		$cache = JFactory::getCache('com_jcomments');
		$cache->clean();

		$this->displayResults($data);
	}

	function update($parent)
	{
		// Delete obsolete files and folders (from previous installations)
		$this->deleteObsoleteFiles();

		// Fix default guest usergroup in com_users parameters
		$this->fixGuestUsergroup();

		// Copy smilies from old folder to new one
		try {
			$oldPath = JPATH_SITE . '/components/com_jcomments/images/smiles';
			$newPath = JPATH_SITE . '/components/com_jcomments/images/smilies';

			if (is_dir($oldPath)) {
				$files = JFolder::files($oldPath);
				foreach ($files as $file) {
					if (!is_file($newPath . '/' . $file)) {
						JFile::copy($oldPath . '/' . $file, $newPath . '/' . $file);
					}
				}
				JFolder::delete($oldPath);
			}
		} catch (Exception $e) {
		}

		$db = JFactory::getDBO();

		$query = $db->getQuery(true);
		$query->select('*');
		$query->from($db->quoteName('#__jcomments_settings'));
		$query->where($db->quoteName('name') . ' = ' . $db->Quote('badwords'));
		$db->setQuery($query);

		$rows = $db->loadObjectList();

		if (is_array($rows)) {
			foreach($rows as $row) {
				$value = preg_replace("#,+#", ',', preg_replace("#[\n|\r]+#", ',', $row->value));

				$query = $db->getQuery(true);
				$query->update($db->quoteName('#__jcomments_settings'));
				$query->set($db->quoteName('value') . ' = ' . $db->Quote($value));
				$query->where($db->quoteName('name') . ' = ' . $db->Quote($row->name));
				$query->where($db->quoteName('lang') . ' = ' . $db->Quote($row->lang));
				$query->where($db->quoteName('component') . ' = ' . $db->Quote($row->component));
				$db->setQuery($query);
				$db->execute();
			}
		}
	}

	function uninstall($parent)
	{
		$db = JFactory::getDBO();

		$language = JFactory::getLanguage();
		$language->load('com_jcomments', JPATH_ADMINISTRATOR, 'en-GB', true);
		$language->load('com_jcomments', JPATH_ADMINISTRATOR, null, true);

		$messages = array();
		$messages['content'] = JText::_('A_UNINSTALL_PLUGIN_CONTENT');
		$messages['search'] = JText::_('A_UNINSTALL_PLUGIN_SEARCH');
		$messages['system'] = JText::_('A_UNINSTALL_PLUGIN_SYSTEM');
		$messages['editors-xtd'] = JText::_('A_UNINSTALL_PLUGIN_EDITORS_XTD');

		$data = new stdClass;
		$data->title = JText::_('A_UNINSTALL_LOG');
		$data->finish = JText::_('A_UNINSTALL_COMPLETE');
		$data->messages = array();

		$manifest = $parent->getParent()->manifest;
		$plugins = $manifest->xpath('plugins/plugin');
		foreach ($plugins as $plugin) {
			$name = (string)$plugin->attributes()->plugin;
			$group = (string)$plugin->attributes()->group;

			$query = $db->getQuery(true);
			$query->select($db->quoteName('extension_id'));
			$query->from($db->quoteName('#__extensions'));
			$query->where($db->quoteName('type') . ' = ' . $db->Quote('plugin'));
			$query->where($db->quoteName('element') . ' = ' . $db->Quote($name));
			$query->where($db->quoteName('folder') . ' = ' . $db->Quote($group));
			$db->setQuery($query);

			$extensions = $db->loadColumn();

			if (count($extensions)) {
				$result = false;
				foreach ($extensions as $id) {
					$installer = new JInstaller;
					$result = $installer->uninstall('plugin', $id);
				}

				if (isset($messages[$group])) {
					$data->messages[] = array('text' => $messages[$group], 'result' => $result);
					unset($messages[$group]);
				}
			}
		}

		if (JFactory::getApplication()->getCfg('caching') != 0) {
			$query = $db->getQuery(true);
			$query->select('DISTINCT(' . $db->quoteName('object_group') . ')');
			$query->from($db->quoteName('#__jcomments'));
			$db->setQuery($query);
			$extensions = $db->loadColumn();
			if (count($extensions)) {
				foreach ($extensions as $extension) {
					$cache = JFactory::getCache($extension);
					$cache->clean();
				}

				$data->messages[] = array('text' => JText::_('A_UNINSTALL_CLEAN_CACHE'), 'result' => true);
			}
		}

		$this->displayResults($data);
	}

	private function executeSQL($filename = '')
	{
		if (is_file($filename)) {
			$buffer = file_get_contents($filename);

			if ($buffer === false) {
				return false;
			}

			if (version_compare(JVERSION, '3.0', 'ge')) {
				$queries = JDatabaseDriver::splitSql($buffer);
			} else {
				$queries = JFactory::getDbo()->splitSql($buffer);
			}

			if (count($queries)) {
				$db = JFactory::getDBO();
				foreach ($queries as $query) {
					$query = trim($query);
					if ($query != '' && $query{0} != '#') {
						try {
							$db->setQuery($query);
							$db->execute();
						} catch (RuntimeException $e) {
						}
					}
				}
			}
		}

		return true;
	}

	private function fixComponentName()
	{
		$db = JFactory::getDBO();

		$query = $db->getQuery(true);
		$query->update($db->quoteName('#__extensions'));
		$query->set($db->quoteName('name') . ' = ' . $db->Quote('com_jcomments'));
		$query->where($db->quoteName('element') . ' = ' . $db->Quote('com_jcomments'));
		$db->setQuery($query);
		$db->execute();
	}

	private function fixUsergroups()
	{
		$db = JFactory::getDBO();
		$groups = $this->getUsergroups();
		$guest_usergroup = JComponentHelper::getParams('com_users')->get('guest_usergroup', 1);

		if (count($groups)) {
			$query = $db->getQuery(true);
			$query->select('*');
			$query->from($db->quoteName('#__jcomments_settings'));
			$query->where($db->quoteName('name') . ' != ' . $db->Quote('badwords'));
			$query->where($db->quoteName('name') . ' != ' . $db->Quote('forbidden_names'));
			$query->where($db->quoteName('name') . ' != ' . $db->Quote('smilies_path'));

			$where = array();
			foreach ($groups as $group) {
				$where[] = $db->quoteName('value') . " LIKE " . $db->Quote('%' . $group->title . '%');
			}

			if (count($where)) {
				$query->where('(' . implode(' OR ', $where) . ')');
			}

			$db->setQuery($query);
			$rows = $db->loadObjectList();

			foreach ($rows as $row) {
				$values = explode(',', $row->value);

				foreach ($groups as $group) {
					for ($i = 0, $n = count($values); $i < $n; $i++) {
						if ($values[$i] == $group->title) {
							$values[$i] = $group->id;
						}
					}
				}

				if ($guest_usergroup !== 1 && in_array(1, $values)) {
					$values[] = $guest_usergroup;
				}

				$row->value = implode(',', $values);

				$query = $db->getQuery(true);
				$query->update($db->quoteName('#__jcomments_settings'));
				$query->set($db->quoteName('value') . ' = ' . $db->Quote($row->value));
				$query->where($db->quoteName('component') . ' = ' . $db->Quote($row->component));
				$query->where($db->quoteName('lang') . ' = ' . $db->Quote($row->lang));
				$query->where($db->quoteName('name') . ' = ' . $db->Quote($row->name));
				$db->setQuery($query);
				$db->execute();
			}
		}
	}

	private function fixUsergroupsCustomBBCodes()
	{
		$db = JFactory::getDBO();
		$groups = $this->getUsergroups();
		$guest_usergroup = JComponentHelper::getParams('com_users')->get('guest_usergroup', 1);

		if (count($groups)) {
			$query = $db->getQuery(true);
			$query->select('*');
			$query->from($db->quoteName('#__jcomments_custom_bbcodes'));

			$where = array();
			foreach ($groups as $group) {
				$where[] = $db->quoteName('button_acl') . " LIKE " . $db->Quote('%' . $group->title . '%');
			}

			if (count($where)) {
				$query->where('(' . implode(' OR ', $where) . ')');
			}

			$db->setQuery($query);
			$rows = $db->loadObjectList();

			foreach ($rows as $row) {
				$values = explode(',', $row->button_acl);

				foreach ($groups as $group) {
					for ($i = 0, $n = count($values); $i < $n; $i++) {
						if ($values[$i] == $group->title) {
							$values[$i] = $group->id;
						}
					}
				}

				if ($guest_usergroup !== 1 && in_array(1, $values)) {
					$values[] = $guest_usergroup;
				}

				$row->button_acl = implode(',', $values);

				$query = $db->getQuery(true);
				$query->update($db->quoteName('#__jcomments_custom_bbcodes'));
				$query->set($db->quoteName('button_acl') . ' = ' . $db->Quote($row->button_acl));
				$query->where($db->quoteName('name') . ' = ' . $db->Quote($row->name));
				$db->setQuery($query);
				$db->execute();
			}
		}
	}

	private function fixGuestUsergroup()
	{
		$params = JComponentHelper::getParams('com_users');
		$guest_usergroup = $params->get('guest_usergroup');

		$db = JFactory::getDbo();

		$query = $db->getQuery(true);
		$query->select('COUNT(*)');
		$query->from($db->quoteName('#__usergroups'));
		$query->where($db->quoteName('id') . ' = ' . (int) $guest_usergroup);
		$db->setQuery($query);

		$count = $db->loadResult();

		if ($count == 0) {
			$params->set('guest_usergroup', '1');

			$query = $db->getQuery(true);
			$query->update($db->quoteName('#__extensions'));
			$query->set($db->quoteName('params') . '= ' . $db->quote((string)$params));
			$query->where($db->quoteName('element') . ' = ' . $db->quote('com_users'));
			$db->setQuery($query);
			$db->execute();

			JFactory::getCache('com_users')->clean();
			JFactory::getCache('_system')->clean();
		}
	}

	private function getUsergroups()
	{
		$db = JFactory::getDbo();

		$query = $db->getQuery(true);
		$query->select('a.*, COUNT(DISTINCT b.id) AS level');
		$query->from($db->quoteName('#__usergroups') . ' AS a');
		$query->join('LEFT', $db->quoteName('#__usergroups') . ' AS b ON a.lft > b.lft AND a.rgt < b.rgt');
		$query->group('a.id, a.title, a.lft, a.rgt, a.parent_id');
		$query->order('a.lft ASC');
		$db->setQuery($query);
		$groups = $db->loadObjectList();

		return $groups;
	}

	private function deleteObsoleteFiles()
	{
		$files = array(
			'/components/com_jcomments/helpers/html.php'
		, '/components/com_jcomments/jcomments.config.php'
		, '/administrator/components/com_jcomments/admin.jcomments.blacklist.php'
		, '/administrator/components/com_jcomments/admin.jcomments.custombbcodes.php'
		, '/administrator/components/com_jcomments/admin.jcomments.html.php'
		, '/administrator/components/com_jcomments/admin.jcomments.installer.php'
		, '/administrator/components/com_jcomments/admin.jcomments.subscription.php'
		, '/administrator/components/com_jcomments/admin.jcomments.php'
		, '/administrator/components/com_jcomments/classes/objectinfo.php'
		, '/administrator/components/com_jcomments/install.jcomments.php'
		, '/administrator/components/com_jcomments/install/sql/custom_bbcodes.sql'
		, '/administrator/components/com_jcomments/install/sql/install.mysql.nonutf8.sql'
		, '/administrator/components/com_jcomments/install/sql/settings.sql'
		, '/administrator/components/com_jcomments/install/sql/custom_bbcodes.sql'
		, '/administrator/components/com_jcomments/install/xml/config.xm'
		, '/administrator/components/com_jcomments/install/xml/jomsocial_rule.xm'
		, '/administrator/components/com_jcomments/toolbar.jcomments.html.php'
		, '/administrator/components/com_jcomments/toolbar.jcomments.php'
		, '/administrator/components/com_jcomments/uninstall.jcomments.php'
		);

		$folders = array(
			'/components/com_jcomments/languages'
		, '/components/com_jcomments/libraries/convert'
		, '/components/com_jcomments/libraries/joomlatune/joomla'
		, '/administrator/components/com_jcomments/classes/button'
		, '/administrator/components/com_jcomments/elements'
		, '/administrator/components/com_jcomments/fields'
		, '/administrator/components/com_jcomments/install/helpers'
		, '/administrator/components/com_jcomments/install/plugins'
		);

		foreach ($files as $file) {
			if (JFile::exists(JPATH_ROOT . $file)) {
				try {
					JFile::delete(JPATH_ROOT . $file);
				} catch (Exception $e) {
				}
			}
		}

		foreach ($folders as $folder) {
			if (JFolder::exists(JPATH_ROOT . $folder)) {
				try {
					JFolder::delete(JPATH_ROOT . $folder);
				} catch (Exception $e) {
				}
			}
		}

		$files = JFolder::files(JPATH_ROOT . '/administrator/components/com_jcomments/assets/', '\.(png|gif|css|js)',
								false, true);
		foreach ($files as $file) {
			try {
				JFile::delete($file);
			} catch (Exception $e) {
			}
		}
	}

	private function displayResults($data)
	{
		require_once(JPATH_ROOT . '/administrator/components/com_jcomments/version.php');
		$version = new JCommentsVersion();
		?>
		<style type="text/css">
			.adminform tr th {
				display: none;
			}

			#jcomments-installer {
				margin: 10px auto;
				padding: 8px;
				width: 700px;
				min-height: 48px;
				background-color: #fff;
				border: 1px solid #ccc;
				-webkit-border-radius: 10px;
				-moz-border-radius: 10px;
				border-radius: 10px;
			}

			#jcomments-installer .status-error {
				color: red;
			}

			#jcomments-installer .status-ok {
				color: green;
			}

			#jcomments-installer .extension-copyright {
				color: #777;
				display: block;
				margin-top: 12px;
			}

			#jcomments-installer .extension-name {
				color: #FF9900;
				font-family: Arial, Helvetica, sans-serif;
				font-size: 16px;
				font-weight: bold;
			}

			#jcomments-installer .extension-date {
				color: #FF9900;
				font-family: Arial, Helvetica, sans-serif;
				font-size: 16px;
				font-weight: normal;
			}

			#jcomments-installer .installer-messages-header {
				margin: 10px 0;
				color: #FF9900;
				font-family: Arial, Helvetica, sans-serif;
				font-size: 16px;
				font-weight: bold;
			}

			#jcomments-installer ul {
				padding: 0 0 0 20px;
				margin: 0 0 10px 0;
			}

			#jcomments-installer table {
				padding: 0;
				margin: 0;
				border: none;
			}

			#jcomments-installer table td {
				vertical-align: top;
			}

			#jcomments-installer .btn {
				display: inline-block;
				*display: inline;
				*zoom: 1;
				padding: 4px 14px;
				margin-bottom: 0;
				font-size: 13px;
				line-height: 18px;
				*line-height: 18px;
				text-align: center;
				vertical-align: middle;
				cursor: pointer;
				color: #333;
				text-shadow: 0 1px 1px rgba(255,255,255,0.75);
				background-color: #f5f5f5;
				background-image: -moz-linear-gradient(top,#fff,#e6e6e6);
				background-image: -webkit-gradient(linear,0 0,0 100%,from(#fff),to(#e6e6e6));
				background-image: -webkit-linear-gradient(top,#fff,#e6e6e6);
				background-image: -o-linear-gradient(top,#fff,#e6e6e6);
				background-image: linear-gradient(to bottom,#fff,#e6e6e6);
				background-repeat: repeat-x;
				filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffffff', endColorstr='#ffe5e5e5', GradientType=0);
				border-color: #e6e6e6 #e6e6e6 #bfbfbf;
				border-color: rgba(0,0,0,0.1) rgba(0,0,0,0.1) rgba(0,0,0,0.25);
				*background-color: #e6e6e6;
				filter: progid:DXImageTransform.Microsoft.gradient(enabled = false);
				border: 1px solid #bbb;
				*border: 0;
				border-bottom-color: #a2a2a2;
				-webkit-border-radius: 4px;
				-moz-border-radius: 4px;
				border-radius: 4px;
				*margin-left: .3em;
				-webkit-box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05);
				-moz-box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05);
				box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05);
			}

			#jcomments-installer .btn:hover,
			#jcomments-installer .btn:active,
			#jcomments-installer .btn.active {
				color: #333;
				text-decoration: none;
				background-color: #e6e6e6;
				*background-color: #d9d9d9;
				background-position: 0 -15px;
				-webkit-transition: background-position .1s linear;
				-moz-transition: background-position .1s linear;
				-o-transition: background-position .1s linear;
				transition: background-position .1s linear;
			}

			#jcomments-installer .btn:active,
			#jcomments-installer .btn.active {
				background-color: #cccccc \9;
			}
		</style>
		<div id="jcomments-installer">
			<table width="95%" cellpadding="0" cellspacing="0">
				<tbody>
				<tr>
					<td width="50px">
						<img src="http://www.joomlatune.com/images/logo/jcomments.png" alt=""/>
					</td>
					<td>
						<div>
							<span class="extension-name"><?php echo $version->getLongVersion(); ?></span>
							<span class="extension-date">[<?php echo $version->getReleaseDate(); ?>]</span>
						</div>

						<div class="extension-copyright">
							&copy; 2006-<?php echo date('Y'); ?> smart (<a
								href="http://www.joomlatune.ru">JoomlaTune.ru</a> | <a href="http://www.joomlatune.com">JoomlaTune.com</a>).
							<?php echo JText::_('A_ABOUT_COPYRIGHT'); ?>
						</div>

						<div class="installer-messages-header">
							<?php echo $data->title; ?>
						</div>

						<div>
							<ul>
								<?php if (count($data->messages)): ?>
									<?php foreach ($data->messages as $message):
										$class = $message['result'] ? 'status-ok' : 'status-error';
										$text = $message['result'] ? JText::_('A_INSTALL_STATE_OK') : JText::_('A_INSTALL_STATE_ERROR');
										?>
										<li>
											<?php echo $message['text']; ?>:
											<span class="<?php echo $class; ?>"><?php echo $text; ?></span>
										</li>
									<?php endforeach; ?>
								<?php endif; ?>
								<li>
									<span style="color: green"><strong><?php echo $data->finish; ?></strong></span>
								</li>
							</ul>
						</div>
						<?php if (!empty($data->next)): ?>
							<div>
								<div class="jcomments-installer-next">
									<a href="<?php echo $data->next; ?>" class="btn">
										<?php echo JText::_('A_INSTALL_BUTTON_NEXT'); ?>
									</a>
								</div>
							</div>
						<?php endif; ?>
					</td>
				</tr>
				</tbody>
			</table>
		</div>
	<?php
	}
}