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author	Chris Cannam
date	Sun, 07 Jul 2013 11:25:48 +0200
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+:e3e11437ecea
+<?php
+/**
+* Simple Machines Forum (SMF)
+*
+* @package SMF
+* @author Simple Machines http://www.simplemachines.org
+* @copyright 2011 Simple Machines
+* @license http://www.simplemachines.org/about/smf/license.php BSD
+*
+* @version 2.0.2
+*/
+if (!defined('SMF'))
+	die('Hacking attempt...');
+/* // !!!
+	void Packages()
+		// !!!
+	void PackageInstallTest()
+		// !!!
+	void PackageInstall()
+		// !!!
+	void PackageList()
+		// !!!
+	void ExamineFile()
+		// !!!
+	void InstalledList()
+		// !!!
+	void FlushInstall()
+		// !!!
+	void PackageRemove()
+		// !!!
+	void PackageBrowse()
+		// !!!
+	void PackageOptions()
+		// !!!
+	void ViewOperations()
+		// !!!
+*/
+// This is the notoriously defunct package manager..... :/.
+function Packages()
+{
+	global $txt, $scripturl, $sourcedir, $context;
+	//!!! Remove this!
+	if (isset($_GET['get']) || isset($_GET['pgdownload']))
+	{
+		require_once($sourcedir . '/PackageGet.php');
+		return PackageGet();
+	}
+	isAllowedTo('admin_forum');
+	// Load all the basic stuff.
+	require_once($sourcedir . '/Subs-Package.php');
+	loadLanguage('Packages');
+	loadTemplate('Packages', 'admin');
+	$context['page_title'] = $txt['package'];
+	// Delegation makes the world... that is, the package manager go 'round.
+	$subActions = array(
+		'browse' => 'PackageBrowse',
+		'remove' => 'PackageRemove',
+		'list' => 'PackageList',
+		'ftptest' => 'PackageFTPTest',
+		'install' => 'PackageInstallTest',
+		'install2' => 'PackageInstall',
+		'uninstall' => 'PackageInstallTest',
+		'uninstall2' => 'PackageInstall',
+		'installed' => 'InstalledList',
+		'options' => 'PackageOptions',
+		'perms' => 'PackagePermissions',
+		'flush' => 'FlushInstall',
+		'examine' => 'ExamineFile',
+		'showoperations' => 'ViewOperations',
+	);
+	// Work out exactly who it is we are calling.
+	if (isset($_REQUEST['sa']) && isset($subActions[$_REQUEST['sa']]))
+		$context['sub_action'] = $_REQUEST['sa'];
+	else
+		$context['sub_action'] = 'browse';
+	// Set up some tabs...
+	$context[$context['admin_menu_name']]['tab_data'] = array(
+		'title' => $txt['package_manager'],
+		// !!! 'help' => 'registrations',
+		'description' => $txt['package_manager_desc'],
+		'tabs' => array(
+			'browse' => array(
+			),
+			'packageget' => array(
+				'description' => $txt['download_packages_desc'],
+			),
+			'installed' => array(
+				'description' => $txt['installed_packages_desc'],
+			),
+			'perms' => array(
+				'description' => $txt['package_file_perms_desc'],
+			),
+			'options' => array(
+				'description' => $txt['package_install_options_ftp_why'],
+			),
+		),
+	);
+	// Call the function we're handing control to.
+	$subActions[$context['sub_action']]();
+}
+// Test install a package.
+function PackageInstallTest()
+{
+	global $boarddir, $txt, $context, $scripturl, $sourcedir, $modSettings, $smcFunc, $settings;
+	// You have to specify a file!!
+	if (!isset($_REQUEST['package']) || $_REQUEST['package'] == '')
+		redirectexit('action=admin;area=packages');
+	$context['filename'] = preg_replace('~[\.]+~', '.', $_REQUEST['package']);
+	// Do we have an existing id, for uninstalls and the like.
+	$context['install_id'] = isset($_REQUEST['pid']) ? (int) $_REQUEST['pid'] : 0;
+	require_once($sourcedir . '/Subs-Package.php');
+	// Load up the package FTP information?
+	create_chmod_control();
+	// Make sure temp directory exists and is empty.
+	if (file_exists($boarddir . '/Packages/temp'))
+		deltree($boarddir . '/Packages/temp', false);
+	if (!mktree($boarddir . '/Packages/temp', 0755))
+	{
+		deltree($boarddir . '/Packages/temp', false);
+		if (!mktree($boarddir . '/Packages/temp', 0777))
+		{
+			deltree($boarddir . '/Packages/temp', false);
+			create_chmod_control(array($boarddir . '/Packages/temp/delme.tmp'), array('destination_url' => $scripturl . '?action=admin;area=packages;sa=' . $_REQUEST['sa'] . ';package=' . $_REQUEST['package'], 'crash_on_error' => true));
+			deltree($boarddir . '/Packages/temp', false);
+			if (!mktree($boarddir . '/Packages/temp', 0777))
+				fatal_lang_error('package_cant_download', false);
+		}
+	}
+	$context['uninstalling'] = $_REQUEST['sa'] == 'uninstall';
+	// Change our last link tree item for more information on this Packages area.
+	$context['linktree'][count($context['linktree']) - 1] = array(
+		'url' => $scripturl . '?action=admin;area=packages;sa=browse',
+		'name' => $context['uninstalling'] ? $txt['package_uninstall_actions'] : $txt['install_actions']
+	);
+	$context['page_title'] .= ' - ' . ($context['uninstalling'] ? $txt['package_uninstall_actions'] : $txt['install_actions']);
+	$context['sub_template'] = 'view_package';
+	if (!file_exists($boarddir . '/Packages/' . $context['filename']))
+	{
+		deltree($boarddir . '/Packages/temp');
+		fatal_lang_error('package_no_file', false);
+	}
+	// Extract the files so we can get things like the readme, etc.
+	if (is_file($boarddir . '/Packages/' . $context['filename']))
+	{
+		$context['extracted_files'] = read_tgz_file($boarddir . '/Packages/' . $context['filename'], $boarddir . '/Packages/temp');
+		if ($context['extracted_files'] && !file_exists($boarddir . '/Packages/temp/package-info.xml'))
+			foreach ($context['extracted_files'] as $file)
+				if (basename($file['filename']) == 'package-info.xml')
+				{
+					$context['base_path'] = dirname($file['filename']) . '/';
+					break;
+				}
+		if (!isset($context['base_path']))
+			$context['base_path'] = '';
+	}
+	elseif (is_dir($boarddir . '/Packages/' . $context['filename']))
+	{
+		copytree($boarddir . '/Packages/' . $context['filename'], $boarddir . '/Packages/temp');
+		$context['extracted_files'] = listtree($boarddir . '/Packages/temp');
+		$context['base_path'] = '';
+	}
+	else
+		fatal_lang_error('no_access', false);
+	// Load up any custom themes we may want to install into...
+	$request = $smcFunc['db_query']('', '
+		SELECT id_theme, variable, value
+		FROM {db_prefix}themes
+		WHERE (id_theme = {int:default_theme} OR id_theme IN ({array_int:known_theme_list}))
+			AND variable IN ({string:name}, {string:theme_dir})',
+		array(
+			'known_theme_list' => explode(',', $modSettings['knownThemes']),
+			'default_theme' => 1,
+			'name' => 'name',
+			'theme_dir' => 'theme_dir',
+		)
+	);
+	$theme_paths = array();
+	while ($row = $smcFunc['db_fetch_assoc']($request))
+		$theme_paths[$row['id_theme']][$row['variable']] = $row['value'];
+	$smcFunc['db_free_result']($request);
+	// Get the package info...
+	$packageInfo = getPackageInfo($context['filename']);
+	if (!is_array($packageInfo))
+		fatal_lang_error($packageInfo);
+	$packageInfo['filename'] = $context['filename'];
+	$context['package_name'] = isset($packageInfo['name']) ? $packageInfo['name'] : $context['filename'];
+	// Set the type of extraction...
+	$context['extract_type'] = isset($packageInfo['type']) ? $packageInfo['type'] : 'modification';
+	// The mod isn't installed.... unless proven otherwise.
+	$context['is_installed'] = false;
+	// See if it is installed?
+	$request = $smcFunc['db_query']('', '
+		SELECT version, themes_installed, db_changes
+		FROM {db_prefix}log_packages
+		WHERE package_id = {string:current_package}
+			AND install_state != {int:not_installed}
+		ORDER BY time_installed DESC
+		LIMIT 1',
+		array(
+			'not_installed'	=> 0,
+			'current_package' => $packageInfo['id'],
+		)
+	);
+	while ($row = $smcFunc['db_fetch_assoc']($request))
+	{
+		$old_themes = explode(',', $row['themes_installed']);
+		$old_version = $row['version'];
+		$db_changes = empty($row['db_changes']) ? array() : unserialize($row['db_changes']);
+	}
+	$smcFunc['db_free_result']($request);
+	$context['database_changes'] = array();
+	if (!empty($db_changes))
+	{
+		foreach ($db_changes as $change)
+		{
+			if (isset($change[2]) && isset($txt['package_db_' . $change[0]]))
+				$context['database_changes'][] = sprintf($txt['package_db_' . $change[0]], $change[1], $change[2]);
+			elseif (isset($txt['package_db_' . $change[0]]))
+				$context['database_changes'][] = sprintf($txt['package_db_' . $change[0]], $change[1]);
+			else
+				$context['database_changes'][] = $change[0] . '-' . $change[1] . (isset($change[2]) ? '-' . $change[2] : '');
+		}
+	}
+	// Uninstalling?
+	if ($context['uninstalling'])
+	{
+		// Wait, it's not installed yet!
+		if (!isset($old_version) && $context['uninstalling'])
+		{
+			deltree($boarddir . '/Packages/temp');
+			fatal_lang_error('package_cant_uninstall', false);
+		}
+		$actions = parsePackageInfo($packageInfo['xml'], true, 'uninstall');
+		// Gadzooks!  There's no uninstaller at all!?
+		if (empty($actions))
+		{
+			deltree($boarddir . '/Packages/temp');
+			fatal_lang_error('package_uninstall_cannot', false);
+		}
+		// Can't edit the custom themes it's edited if you're unisntalling, they must be removed.
+		$context['themes_locked'] = true;
+		// Only let them uninstall themes it was installed into.
+		foreach ($theme_paths as $id => $data)
+			if ($id != 1 && !in_array($id, $old_themes))
+				unset($theme_paths[$id]);
+	}
+	elseif (isset($old_version) && $old_version != $packageInfo['version'])
+	{
+		// Look for an upgrade...
+		$actions = parsePackageInfo($packageInfo['xml'], true, 'upgrade', $old_version);
+		// There was no upgrade....
+		if (empty($actions))
+			$context['is_installed'] = true;
+		else
+		{
+			// Otherwise they can only upgrade themes from the first time around.
+			foreach ($theme_paths as $id => $data)
+				if ($id != 1 && !in_array($id, $old_themes))
+					unset($theme_paths[$id]);
+		}
+	}
+	elseif (isset($old_version) && $old_version == $packageInfo['version'])
+		$context['is_installed'] = true;
+	if (!isset($old_version) || $context['is_installed'])
+		$actions = parsePackageInfo($packageInfo['xml'], true, 'install');
+	$context['actions'] = array();
+	$context['ftp_needed'] = false;
+	$context['has_failure'] = false;
+	$chmod_files = array();
+	if (empty($actions))
+		return;
+	// This will hold data about anything that can be installed in other themes.
+	$themeFinds = array(
+		'candidates' => array(),
+		'other_themes' => array(),
+	);
+	// Now prepare things for the template.
+	foreach ($actions as $action)
+	{
+		// Not failed until proven otherwise.
+		$failed = false;
+		if ($action['type'] == 'chmod')
+		{
+			$chmod_files[] = $action['filename'];
+			continue;
+		}
+		elseif ($action['type'] == 'readme')
+		{
+			if (file_exists($boarddir . '/Packages/temp/' . $context['base_path'] . $action['filename']))
+				$context['package_readme'] = htmlspecialchars(trim(file_get_contents($boarddir . '/Packages/temp/' . $context['base_path'] . $action['filename']), "\n\r"));
+			elseif (file_exists($action['filename']))
+				$context['package_readme'] = htmlspecialchars(trim(file_get_contents($action['filename']), "\n\r"));
+			if (!empty($action['parse_bbc']))
+			{
+				require_once($sourcedir . '/Subs-Post.php');
+				preparsecode($context['package_readme']);
+				$context['package_readme'] = parse_bbc($context['package_readme']);
+			}
+			else
+				$context['package_readme'] = nl2br($context['package_readme']);
+			continue;
+		}
+		// Don't show redirects.
+		elseif ($action['type'] == 'redirect')
+			continue;
+		elseif ($action['type'] == 'error')
+			$context['has_failure'] = true;
+		elseif ($action['type'] == 'modification')
+		{
+			if (!file_exists($boarddir . '/Packages/temp/' . $context['base_path'] . $action['filename']))
+			{
+				$context['has_failure'] = true;
+				$context['actions'][] = array(
+					'type' => $txt['execute_modification'],
+					'action' => $smcFunc['htmlspecialchars'](strtr($action['filename'], array($boarddir => '.'))),
+					'description' => $txt['package_action_error'],
+					'failed' => true,
+				);
+			}
+			if ($action['boardmod'])
+				$mod_actions = parseBoardMod(@file_get_contents($boarddir . '/Packages/temp/' . $context['base_path'] . $action['filename']), true, $action['reverse'], $theme_paths);
+			else
+				$mod_actions = parseModification(@file_get_contents($boarddir . '/Packages/temp/' . $context['base_path'] . $action['filename']), true, $action['reverse'], $theme_paths);
+			if (count($mod_actions) == 1 && isset($mod_actions[0]) && $mod_actions[0]['type'] == 'error' && $mod_actions[0]['filename'] == '-')
+				$mod_actions[0]['filename'] = $action['filename'];
+			foreach ($mod_actions as $key => $mod_action)
+			{
+				// Lets get the last section of the file name.
+				if (isset($mod_action['filename']) && substr($mod_action['filename'], -13) != '.template.php')
+					$actual_filename = strtolower(substr(strrchr($mod_action['filename'], '/'), 1) . '||' . $action['filename']);
+				elseif (isset($mod_action['filename']) && preg_match('~([\w]*)/([\w]*)\.template\.php$~', $mod_action['filename'], $matches))
+					$actual_filename = strtolower($matches[1] . '/' . $matches[2] . '.template.php' . '||' . $action['filename']);
+				else
+					$actual_filename = $key;
+				if ($mod_action['type'] == 'opened')
+					$failed = false;
+				elseif ($mod_action['type'] == 'failure')
+				{
+					if (empty($mod_action['is_custom']))
+						$context['has_failure'] = true;
+					$failed = true;
+				}
+				elseif ($mod_action['type'] == 'chmod')
+				{
+					$chmod_files[] = $mod_action['filename'];
+				}
+				elseif ($mod_action['type'] == 'saved')
+				{
+					if (!empty($mod_action['is_custom']))
+					{
+						if (!isset($context['theme_actions'][$mod_action['is_custom']]))
+							$context['theme_actions'][$mod_action['is_custom']] = array(
+								'name' => $theme_paths[$mod_action['is_custom']]['name'],
+								'actions' => array(),
+								'has_failure' => $failed,
+							);
+						else
+							$context['theme_actions'][$mod_action['is_custom']]['has_failure'] |= $failed;
+						$context['theme_actions'][$mod_action['is_custom']]['actions'][$actual_filename] = array(
+							'type' => $txt['execute_modification'],
+							'action' => $smcFunc['htmlspecialchars'](strtr($mod_action['filename'], array($boarddir => '.'))),
+							'description' => $failed ? $txt['package_action_failure'] : $txt['package_action_success'],
+							'failed' => $failed,
+						);
+					}
+					elseif (!isset($context['actions'][$actual_filename]))
+					{
+						$context['actions'][$actual_filename] = array(
+							'type' => $txt['execute_modification'],
+							'action' => $smcFunc['htmlspecialchars'](strtr($mod_action['filename'], array($boarddir => '.'))),
+							'description' => $failed ? $txt['package_action_failure'] : $txt['package_action_success'],
+							'failed' => $failed,
+						);
+					}
+					else
+					{
+							$context['actions'][$actual_filename]['failed'] |= $failed;
+							$context['actions'][$actual_filename]['description'] = $context['actions'][$actual_filename]['failed'] ? $txt['package_action_failure'] : $txt['package_action_success'];
+					}
+				}
+				elseif ($mod_action['type'] == 'skipping')
+				{
+					$context['actions'][$actual_filename] = array(
+						'type' => $txt['execute_modification'],
+						'action' => $smcFunc['htmlspecialchars'](strtr($mod_action['filename'], array($boarddir => '.'))),
+						'description' => $txt['package_action_skipping']
+					);
+				}
+				elseif ($mod_action['type'] == 'missing' && empty($mod_action['is_custom']))
+				{
+					$context['has_failure'] = true;
+					$context['actions'][$actual_filename] = array(
+						'type' => $txt['execute_modification'],
+						'action' => $smcFunc['htmlspecialchars'](strtr($mod_action['filename'], array($boarddir => '.'))),
+						'description' => $txt['package_action_missing'],
+						'failed' => true,
+					);
+				}
+				elseif ($mod_action['type'] == 'error')
+					$context['actions'][$actual_filename] = array(
+						'type' => $txt['execute_modification'],
+						'action' => $smcFunc['htmlspecialchars'](strtr($mod_action['filename'], array($boarddir => '.'))),
+						'description' => $txt['package_action_error'],
+						'failed' => true,
+					);
+			}
+			// We need to loop again just to get the operations down correctly.
+			foreach ($mod_actions as $operation_key => $mod_action)
+			{
+				// Lets get the last section of the file name.
+				if (isset($mod_action['filename']) && substr($mod_action['filename'], -13) != '.template.php')
+					$actual_filename = strtolower(substr(strrchr($mod_action['filename'], '/'), 1) . '||' . $action['filename']);
+				elseif (isset($mod_action['filename']) && preg_match('~([\w]*)/([\w]*)\.template\.php$~', $mod_action['filename'], $matches))
+					$actual_filename = strtolower($matches[1] . '/' . $matches[2] . '.template.php' . '||' . $action['filename']);
+				else
+					$actual_filename = $key;
+				// We just need it for actual parse changes.
+				if (!in_array($mod_action['type'], array('error', 'result', 'opened', 'saved', 'end', 'missing', 'skipping', 'chmod')))
+				{
+					if (empty($mod_action['is_custom']))
+						$context['actions'][$actual_filename]['operations'][] = array(
+							'type' => $txt['execute_modification'],
+							'action' => $smcFunc['htmlspecialchars'](strtr($mod_action['filename'], array($boarddir => '.'))),
+							'description' => $mod_action['failed'] ? $txt['package_action_failure'] : $txt['package_action_success'],
+							'position' => $mod_action['position'],
+							'operation_key' => $operation_key,
+							'filename' => $action['filename'],
+							'is_boardmod' => $action['boardmod'],
+							'failed' => $mod_action['failed'],
+							'ignore_failure' => !empty($mod_action['ignore_failure']),
+						);
+					// Themes are under the saved type.
+					if (isset($mod_action['is_custom']) && isset($context['theme_actions'][$mod_action['is_custom']]))
+						$context['theme_actions'][$mod_action['is_custom']]['actions'][$actual_filename]['operations'][] = array(
+							'type' => $txt['execute_modification'],
+							'action' => $smcFunc['htmlspecialchars'](strtr($mod_action['filename'], array($boarddir => '.'))),
+							'description' => $mod_action['failed'] ? $txt['package_action_failure'] : $txt['package_action_success'],
+							'position' => $mod_action['position'],
+							'operation_key' => $operation_key,
+							'filename' => $action['filename'],
+							'is_boardmod' => $action['boardmod'],
+							'failed' => $mod_action['failed'],
+							'ignore_failure' => !empty($mod_action['ignore_failure']),
+						);
+				}
+			}
+			// Don't add anything else.
+			$thisAction = array();
+		}
+		elseif ($action['type'] == 'code')
+			$thisAction = array(
+				'type' => $txt['execute_code'],
+				'action' => $smcFunc['htmlspecialchars']($action['filename']),
+			);
+		elseif ($action['type'] == 'database')
+		{
+			$thisAction = array(
+				'type' => $txt['execute_database_changes'],
+				'action' => $smcFunc['htmlspecialchars']($action['filename']),
+			);
+		}
+		elseif (in_array($action['type'], array('create-dir', 'create-file')))
+			$thisAction = array(
+				'type' => $txt['package_create'] . ' ' . ($action['type'] == 'create-dir' ? $txt['package_tree'] : $txt['package_file']),
+				'action' => $smcFunc['htmlspecialchars'](strtr($action['destination'], array($boarddir => '.')))
+			);
+		elseif (in_array($action['type'], array('require-dir', 'require-file')))
+		{
+			// Do this one...
+			$thisAction = array(
+				'type' => $txt['package_extract'] . ' ' . ($action['type'] == 'require-dir' ? $txt['package_tree'] : $txt['package_file']),
+				'action' => $smcFunc['htmlspecialchars'](strtr($action['destination'], array($boarddir => '.')))
+			);
+			// Could this be theme related?
+			if (!empty($action['unparsed_destination']) && preg_match('~^\$(languagedir|languages_dir|imagesdir|themedir|themes_dir)~i', $action['unparsed_destination'], $matches))
+			{
+				// Is the action already stated?
+				$theme_action = !empty($action['theme_action']) && in_array($action['theme_action'], array('no', 'yes', 'auto')) ? $action['theme_action'] : 'auto';
+				// If it's not auto do we think we have something we can act upon?
+				if ($theme_action != 'auto' && !in_array($matches[1], array('languagedir', 'languages_dir', 'imagesdir', 'themedir')))
+					$theme_action = '';
+				// ... or if it's auto do we even want to do anything?
+				elseif ($theme_action == 'auto' && $matches[1] != 'imagesdir')
+					$theme_action = '';
+				// So, we still want to do something?
+				if ($theme_action != '')
+					$themeFinds['candidates'][] = $action;
+				// Otherwise is this is going into another theme record it.
+				elseif ($matches[1] == 'themes_dir')
+					$themeFinds['other_themes'][] = strtolower(strtr(parse_path($action['unparsed_destination']), array('\\' => '/')) . '/' . basename($action['filename']));
+			}
+		}
+		elseif (in_array($action['type'], array('move-dir', 'move-file')))
+			$thisAction = array(
+				'type' => $txt['package_move'] . ' ' . ($action['type'] == 'move-dir' ? $txt['package_tree'] : $txt['package_file']),
+				'action' => $smcFunc['htmlspecialchars'](strtr($action['source'], array($boarddir => '.'))) . ' => ' . $smcFunc['htmlspecialchars'](strtr($action['destination'], array($boarddir => '.')))
+			);
+		elseif (in_array($action['type'], array('remove-dir', 'remove-file')))
+		{
+			$thisAction = array(
+				'type' => $txt['package_delete'] . ' ' . ($action['type'] == 'remove-dir' ? $txt['package_tree'] : $txt['package_file']),
+				'action' => $smcFunc['htmlspecialchars'](strtr($action['filename'], array($boarddir => '.')))
+			);
+			// Could this be theme related?
+			if (!empty($action['unparsed_filename']) && preg_match('~^\$(languagedir|languages_dir|imagesdir|themedir|themes_dir)~i', $action['unparsed_filename'], $matches))
+			{
+				// Is the action already stated?
+				$theme_action = !empty($action['theme_action']) && in_array($action['theme_action'], array('no', 'yes', 'auto')) ? $action['theme_action'] : 'auto';
+				$action['unparsed_destination'] = $action['unparsed_filename'];
+				// If it's not auto do we think we have something we can act upon?
+				if ($theme_action != 'auto' && !in_array($matches[1], array('languagedir', 'languages_dir', 'imagesdir', 'themedir')))
+					$theme_action = '';
+				// ... or if it's auto do we even want to do anything?
+				elseif ($theme_action == 'auto' && $matches[1] != 'imagesdir')
+					$theme_action = '';
+				// So, we still want to do something?
+				if ($theme_action != '')
+					$themeFinds['candidates'][] = $action;
+				// Otherwise is this is going into another theme record it.
+				elseif ($matches[1] == 'themes_dir')
+					$themeFinds['other_themes'][] = strtolower(strtr(parse_path($action['unparsed_filename']), array('\\' => '/')) . '/' . basename($action['filename']));
+			}
+		}
+		if (empty($thisAction))
+			continue;
+		// !!! None given?
+		$thisAction['description'] = isset($action['description']) ? $action['description'] : '';
+		$context['actions'][] = $thisAction;
+	}
+	// Have we got some things which we might want to do "multi-theme"?
+	if (!empty($themeFinds['candidates']))
+	{
+		foreach ($themeFinds['candidates'] as $action_data)
+		{
+			// Get the part of the file we'll be dealing with.
+			preg_match('~^\$(languagedir|languages_dir|imagesdir|themedir)(\\|/)*(.+)*~i', $action_data['unparsed_destination'], $matches);
+			if ($matches[1] == 'imagesdir')
+				$path = '/' . basename($settings['default_images_url']);
+			elseif ($matches[1] == 'languagedir' || $matches[1] == 'languages_dir')
+				$path = '/languages';
+			else
+				$path = '';
+			if (!empty($matches[3]))
+				$path .= $matches[3];
+			if (!$context['uninstalling'])
+				$path .= '/' . basename($action_data['filename']);
+			// Loop through each custom theme to note it's candidacy!
+			foreach ($theme_paths as $id => $theme_data)
+			{
+				if (isset($theme_data['theme_dir']) && $id != 1)
+				{
+					$real_path = $theme_data['theme_dir'] . $path;
+					// Confirm that we don't already have this dealt with by another entry.
+					if (!in_array(strtolower(strtr($real_path, array('\\' => '/'))), $themeFinds['other_themes']))
+					{
+						// Check if we will need to chmod this.
+						if (!mktree(dirname($real_path), false))
+						{
+							$temp = dirname($real_path);
+							while (!file_exists($temp) && strlen($temp) > 1)
+								$temp = dirname($temp);
+							$chmod_files[] = $temp;
+						}
+						if ($action_data['type'] == 'require-dir' && !is_writable($real_path) && (file_exists($real_path) || !is_writable(dirname($real_path))))
+							$chmod_files[] = $real_path;
+						if (!isset($context['theme_actions'][$id]))
+							$context['theme_actions'][$id] = array(
+								'name' => $theme_data['name'],
+								'actions' => array(),
+							);
+						if ($context['uninstalling'])
+							$context['theme_actions'][$id]['actions'][] = array(
+								'type' => $txt['package_delete'] . ' ' . ($action_data['type'] == 'require-dir' ? $txt['package_tree'] : $txt['package_file']),
+								'action' => strtr($real_path, array('\\' => '/', $boarddir => '.')),
+								'description' => '',
+								'value' => base64_encode(serialize(array('type' => $action_data['type'], 'orig' => $action_data['filename'], 'future' => $real_path, 'id' => $id))),
+								'not_mod' => true,
+							);
+						else
+							$context['theme_actions'][$id]['actions'][] = array(
+								'type' => $txt['package_extract'] . ' ' . ($action_data['type'] == 'require-dir' ? $txt['package_tree'] : $txt['package_file']),
+								'action' => strtr($real_path, array('\\' => '/', $boarddir => '.')),
+								'description' => '',
+								'value' => base64_encode(serialize(array('type' => $action_data['type'], 'orig' => $action_data['destination'], 'future' => $real_path, 'id' => $id))),
+								'not_mod' => true,
+							);
+					}
+				}
+			}
+		}
+	}
+	// Trash the cache... which will also check permissions for us!
+	package_flush_cache(true);
+	if (file_exists($boarddir . '/Packages/temp'))
+		deltree($boarddir . '/Packages/temp');
+	if (!empty($chmod_files))
+	{
+		$ftp_status = create_chmod_control($chmod_files);
+		$context['ftp_needed'] = !empty($ftp_status['files']['notwritable']) && !empty($context['package_ftp']);
+	}
+	checkSubmitOnce('register');
+}
+// Apply another type of (avatar, language, etc.) package.
+function PackageInstall()
+{
+	global $boarddir, $txt, $context, $boardurl, $scripturl, $sourcedir, $modSettings;
+	global $user_info, $smcFunc;
+	// Make sure we don't install this mod twice.
+	checkSubmitOnce('check');
+	checkSession();
+	// If there's no file, what are we installing?
+	if (!isset($_REQUEST['package']) || $_REQUEST['package'] == '')
+		redirectexit('action=admin;area=packages');
+	$context['filename'] = $_REQUEST['package'];
+	// If this is an uninstall, we'll have an id.
+	$context['install_id'] = isset($_REQUEST['pid']) ? (int) $_REQUEST['pid'] : 0;
+	require_once($sourcedir . '/Subs-Package.php');
+	// !!! TODO: Perhaps do it in steps, if necessary?
+	$context['uninstalling'] = $_REQUEST['sa'] == 'uninstall2';
+	// Set up the linktree for other.
+	$context['linktree'][count($context['linktree']) - 1] = array(
+		'url' => $scripturl . '?action=admin;area=packages;sa=browse',
+		'name' => $context['uninstalling'] ? $txt['uninstall'] : $txt['extracting']
+	);
+	$context['page_title'] .= ' - ' . ($context['uninstalling'] ? $txt['uninstall'] : $txt['extracting']);
+	$context['sub_template'] = 'extract_package';
+	if (!file_exists($boarddir . '/Packages/' . $context['filename']))
+		fatal_lang_error('package_no_file', false);
+	// Load up the package FTP information?
+	create_chmod_control(array(), array('destination_url' => $scripturl . '?action=admin;area=packages;sa=' . $_REQUEST['sa'] . ';package=' . $_REQUEST['package']));
+	// Make sure temp directory exists and is empty!
+	if (file_exists($boarddir . '/Packages/temp'))
+		deltree($boarddir . '/Packages/temp', false);
+	else
+		mktree($boarddir . '/Packages/temp', 0777);
+	// Let the unpacker do the work.
+	if (is_file($boarddir . '/Packages/' . $context['filename']))
+	{
+		$context['extracted_files'] = read_tgz_file($boarddir . '/Packages/' . $context['filename'], $boarddir . '/Packages/temp');
+		if (!file_exists($boarddir . '/Packages/temp/package-info.xml'))
+			foreach ($context['extracted_files'] as $file)
+				if (basename($file['filename']) == 'package-info.xml')
+				{
+					$context['base_path'] = dirname($file['filename']) . '/';
+					break;
+				}
+		if (!isset($context['base_path']))
+			$context['base_path'] = '';
+	}
+	elseif (is_dir($boarddir . '/Packages/' . $context['filename']))
+	{
+		copytree($boarddir . '/Packages/' . $context['filename'], $boarddir . '/Packages/temp');
+		$context['extracted_files'] = listtree($boarddir . '/Packages/temp');
+		$context['base_path'] = '';
+	}
+	else
+		fatal_lang_error('no_access', false);
+	// Are we installing this into any custom themes?
+	$custom_themes = array(1);
+	$known_themes = explode(',', $modSettings['knownThemes']);
+	if (!empty($_POST['custom_theme']))
+	{
+		foreach ($_POST['custom_theme'] as $tid)
+			if (in_array($tid, $known_themes))
+				$custom_themes[] = (int) $tid;
+	}
+	// Now load up the paths of the themes that we need to know about.
+	$request = $smcFunc['db_query']('', '
+		SELECT id_theme, variable, value
+		FROM {db_prefix}themes
+		WHERE id_theme IN ({array_int:custom_themes})
+			AND variable IN ({string:name}, {string:theme_dir})',
+		array(
+			'custom_themes' => $custom_themes,
+			'name' => 'name',
+			'theme_dir' => 'theme_dir',
+		)
+	);
+	$theme_paths = array();
+	$themes_installed = array(1);
+	while ($row = $smcFunc['db_fetch_assoc']($request))
+		$theme_paths[$row['id_theme']][$row['variable']] = $row['value'];
+	$smcFunc['db_free_result']($request);
+	// Are there any theme copying that we want to take place?
+	$context['theme_copies'] = array(
+		'require-file' => array(),
+		'require-dir' => array(),
+	);
+	if (!empty($_POST['theme_changes']))
+	{
+		foreach ($_POST['theme_changes'] as $change)
+		{
+			if (empty($change))
+				continue;
+			$theme_data = unserialize(base64_decode($change));
+			if (empty($theme_data['type']))
+				continue;
+			$themes_installed[] = $theme_data['id'];
+			$context['theme_copies'][$theme_data['type']][$theme_data['orig']][] = $theme_data['future'];
+		}
+	}
+	// Get the package info...
+	$packageInfo = getPackageInfo($context['filename']);
+	if (!is_array($packageInfo))
+		fatal_lang_error($packageInfo);
+	$packageInfo['filename'] = $context['filename'];
+	// Set the type of extraction...
+	$context['extract_type'] = isset($packageInfo['type']) ? $packageInfo['type'] : 'modification';
+	// Create a backup file to roll back to! (but if they do this more than once, don't run it a zillion times.)
+	if (!empty($modSettings['package_make_backups']) && (!isset($_SESSION['last_backup_for']) || $_SESSION['last_backup_for'] != $context['filename'] . ($context['uninstalling'] ? '$$' : '$')))
+	{
+		$_SESSION['last_backup_for'] = $context['filename'] . ($context['uninstalling'] ? '$$' : '$');
+		// !!! Internationalize this?
+		package_create_backup(($context['uninstalling'] ? 'backup_' : 'before_') . strtok($context['filename'], '.'));
+	}
+	// The mod isn't installed.... unless proven otherwise.
+	$context['is_installed'] = false;
+	// Is it actually installed?
+	$request = $smcFunc['db_query']('', '
+		SELECT version, themes_installed, db_changes
+		FROM {db_prefix}log_packages
+		WHERE package_id = {string:current_package}
+			AND install_state != {int:not_installed}
+		ORDER BY time_installed DESC
+		LIMIT 1',
+		array(
+			'not_installed'	=> 0,
+			'current_package' => $packageInfo['id'],
+		)
+	);
+	while ($row = $smcFunc['db_fetch_assoc']($request))
+	{
+		$old_themes = explode(',', $row['themes_installed']);
+		$old_version = $row['version'];
+		$db_changes = empty($row['db_changes']) ? array() : unserialize($row['db_changes']);
+	}
+	$smcFunc['db_free_result']($request);
+	// Wait, it's not installed yet!
+	// !!! TODO: Replace with a better error message!
+	if (!isset($old_version) && $context['uninstalling'])
+	{
+		deltree($boarddir . '/Packages/temp');
+		fatal_error('Hacker?', false);
+	}
+	// Uninstalling?
+	elseif ($context['uninstalling'])
+	{
+		$install_log = parsePackageInfo($packageInfo['xml'], false, 'uninstall');
+		// Gadzooks!  There's no uninstaller at all!?
+		if (empty($install_log))
+			fatal_lang_error('package_uninstall_cannot', false);
+		// They can only uninstall from what it was originally installed into.
+		foreach ($theme_paths as $id => $data)
+			if ($id != 1 && !in_array($id, $old_themes))
+				unset($theme_paths[$id]);
+	}
+	elseif (isset($old_version) && $old_version != $packageInfo['version'])
+	{
+		// Look for an upgrade...
+		$install_log = parsePackageInfo($packageInfo['xml'], false, 'upgrade', $old_version);
+		// There was no upgrade....
+		if (empty($install_log))
+			$context['is_installed'] = true;
+		else
+		{
+			// Upgrade previous themes only!
+			foreach ($theme_paths as $id => $data)
+				if ($id != 1 && !in_array($id, $old_themes))
+					unset($theme_paths[$id]);
+		}
+	}
+	elseif (isset($old_version) && $old_version == $packageInfo['version'])
+		$context['is_installed'] = true;
+	if (!isset($old_version) || $context['is_installed'])
+		$install_log = parsePackageInfo($packageInfo['xml'], false, 'install');
+	$context['install_finished'] = false;
+	// !!! TODO: Make a log of any errors that occurred and output them?
+	if (!empty($install_log))
+	{
+		$failed_steps = array();
+		$failed_count = 0;
+		foreach ($install_log as $action)
+		{
+			$failed_count++;
+			if ($action['type'] == 'modification' && !empty($action['filename']))
+			{
+				if ($action['boardmod'])
+					$mod_actions = parseBoardMod(file_get_contents($boarddir . '/Packages/temp/' . $context['base_path'] . $action['filename']), false, $action['reverse'], $theme_paths);
+				else
+					$mod_actions = parseModification(file_get_contents($boarddir . '/Packages/temp/' . $context['base_path'] . $action['filename']), false, $action['reverse'], $theme_paths);
+				// Any errors worth noting?
+				foreach ($mod_actions as $key => $action)
+				{
+					if ($action['type'] == 'failure')
+						$failed_steps[] = array(
+							'file' => $action['filename'],
+							'large_step' => $failed_count,
+							'sub_step' => $key,
+							'theme' => 1,
+						);
+					// Gather the themes we installed into.
+					if (!empty($action['is_custom']))
+						$themes_installed[] = $action['is_custom'];
+				}
+			}
+			elseif ($action['type'] == 'code' && !empty($action['filename']))
+			{
+				// This is just here as reference for what is available.
+				global $txt, $boarddir, $sourcedir, $modSettings, $context, $settings, $forum_version, $smcFunc;
+				// Now include the file and be done with it ;).
+				require($boarddir . '/Packages/temp/' . $context['base_path'] . $action['filename']);
+			}
+			// Only do the database changes on uninstall if requested.
+			elseif ($action['type'] == 'database' && !empty($action['filename']) && (!$context['uninstalling'] || !empty($_POST['do_db_changes'])))
+			{
+				// These can also be there for database changes.
+				global $txt, $boarddir, $sourcedir, $modSettings, $context, $settings, $forum_version, $smcFunc;
+				global $db_package_log;
+				// We'll likely want the package specific database functionality!
+				db_extend('packages');
+				// Let the file work its magic ;)
+				require($boarddir . '/Packages/temp/' . $context['base_path'] . $action['filename']);
+			}
+			// Handle a redirect...
+			elseif ($action['type'] == 'redirect' && !empty($action['redirect_url']))
+			{
+				$context['redirect_url'] = $action['redirect_url'];
+				$context['redirect_text'] = !empty($action['filename']) && file_exists($boarddir . '/Packages/temp/' . $context['base_path'] . $action['filename']) ? file_get_contents($boarddir . '/Packages/temp/' . $context['base_path'] . $action['filename']) : ($context['uninstalling'] ? $txt['package_uninstall_done'] : $txt['package_installed_done']);
+				$context['redirect_timeout'] = $action['redirect_timeout'];
+				// Parse out a couple of common urls.
+				$urls = array(
+					'$boardurl' => $boardurl,
+					'$scripturl' => $scripturl,
+					'$session_var' => $context['session_var'],
+					'$session_id' => $context['session_id'],
+				);
+				$context['redirect_url'] = strtr($context['redirect_url'], $urls);
+			}
+		}
+		package_flush_cache();
+		// First, ensure this change doesn't get removed by putting a stake in the ground (So to speak).
+		package_put_contents($boarddir . '/Packages/installed.list', time());
+		// See if this is already installed, and change it's state as required.
+		$request = $smcFunc['db_query']('', '
+			SELECT package_id, install_state, db_changes
+			FROM {db_prefix}log_packages
+			WHERE install_state != {int:not_installed}
+				AND package_id = {string:current_package}
+				' . ($context['install_id'] ? ' AND id_install = {int:install_id} ' : '') . '
+			ORDER BY time_installed DESC
+			LIMIT 1',
+			array(
+				'not_installed' => 0,
+				'install_id' => $context['install_id'],
+				'current_package' => $packageInfo['id'],
+			)
+		);
+		$is_upgrade = false;
+		while ($row = $smcFunc['db_fetch_assoc']($request))
+		{
+			// Uninstalling?
+			if ($context['uninstalling'])
+			{
+				$smcFunc['db_query']('', '
+					UPDATE {db_prefix}log_packages
+					SET install_state = {int:not_installed}, member_removed = {string:member_name}, id_member_removed = {int:current_member},
+						time_removed = {int:current_time}
+					WHERE package_id = {string:package_id}',
+					array(
+						'current_member' => $user_info['id'],
+						'not_installed' => 0,
+						'current_time' => time(),
+						'package_id' => $row['package_id'],
+						'member_name' => $user_info['name'],
+					)
+				);
+			}
+			// Otherwise must be an upgrade.
+			else
+			{
+				$is_upgrade = true;
+				$old_db_changes = empty($row['db_changes']) ? array() : unserialize($row['db_changes']);
+			}
+		}
+		// Assuming we're not uninstalling, add the entry.
+		if (!$context['uninstalling'])
+		{
+			// Any db changes from older version?
+			if (!empty($old_db_changes))
+				$db_package_log = empty($db_package_log) ? $old_db_changes : array_merge($old_db_changes, $db_package_log);
+			// If there are some database changes we might want to remove then filter them out.
+			if (!empty($db_package_log))
+			{
+				// We're really just checking for entries which are create table AND add columns (etc).
+				$tables = array();
+				function sort_table_first($a, $b)
+				{
+					if ($a[0] == $b[0])
+						return 0;
+					return $a[0] == 'remove_table' ? -1 : 1;
+				}
+				usort($db_package_log, 'sort_table_first');
+				foreach ($db_package_log as $k => $log)
+				{
+					if ($log[0] == 'remove_table')
+						$tables[] = $log[1];
+					elseif (in_array($log[1], $tables))
+						unset($db_package_log[$k]);
+				}
+				$db_changes = serialize($db_package_log);
+			}
+			else
+				$db_changes = '';
+			// What themes did we actually install?
+			$themes_installed = array_unique($themes_installed);
+			$themes_installed = implode(',', $themes_installed);
+			// What failed steps?
+			$failed_step_insert = serialize($failed_steps);
+			$smcFunc['db_insert']('',
+				'{db_prefix}log_packages',
+				array(
+					'filename' => 'string', 'name' => 'string', 'package_id' => 'string', 'version' => 'string',
+					'id_member_installed' => 'int', 'member_installed' => 'string','time_installed' => 'int',
+					'install_state' => 'int', 'failed_steps' => 'string', 'themes_installed' => 'string',
+					'member_removed' => 'int', 'db_changes' => 'string',
+				),
+				array(
+					$packageInfo['filename'], $packageInfo['name'], $packageInfo['id'], $packageInfo['version'],
+					$user_info['id'], $user_info['name'], time(),
+					$is_upgrade ? 2 : 1, $failed_step_insert, $themes_installed,
+					0, $db_changes,
+				),
+				array('id_install')
+			);
+		}
+		$smcFunc['db_free_result']($request);
+		$context['install_finished'] = true;
+	}
+	// If there's database changes - and they want them removed - let's do it last!
+	if (!empty($db_changes) && !empty($_POST['do_db_changes']))
+	{
+		// We're gonna be needing the package db functions!
+		db_extend('packages');
+		foreach ($db_changes as $change)
+		{
+			if ($change[0] == 'remove_table' && isset($change[1]))
+				$smcFunc['db_drop_table']($change[1]);
+			elseif ($change[0] == 'remove_column' && isset($change[2]))
+				$smcFunc['db_remove_column']($change[1], $change[2]);
+			elseif ($change[0] == 'remove_index' && isset($change[2]))
+				$smcFunc['db_remove_index']($change[1], $change[2]);
+		}
+	}
+	// Clean house... get rid of the evidence ;).
+	if (file_exists($boarddir . '/Packages/temp'))
+		deltree($boarddir . '/Packages/temp');
+	// Log what we just did.
+	logAction($context['uninstalling'] ? 'uninstall_package' : (!empty($is_upgrade) ? 'upgrade_package' : 'install_package'), array('package' => $smcFunc['htmlspecialchars']($packageInfo['name']), 'version' => $smcFunc['htmlspecialchars']($packageInfo['version'])), 'admin');
+	// Just in case, let's clear the whole cache to avoid anything going up the swanny.
+	clean_cache();
+	// Restore file permissions?
+	create_chmod_control(array(), array(), true);
+}
+// List the files in a package.
+function PackageList()
+{
+	global $txt, $scripturl, $boarddir, $context, $sourcedir;
+	require_once($sourcedir . '/Subs-Package.php');
+	// No package?  Show him or her the door.
+	if (!isset($_REQUEST['package']) || $_REQUEST['package'] == '')
+		redirectexit('action=admin;area=packages');
+	$context['linktree'][] = array(
+		'url' => $scripturl . '?action=admin;area=packages;sa=list;package=' . $_REQUEST['package'],
+		'name' => $txt['list_file']
+	);
+	$context['page_title'] .= ' - ' . $txt['list_file'];
+	$context['sub_template'] = 'list';
+	// The filename...
+	$context['filename'] = $_REQUEST['package'];
+	// Let the unpacker do the work.
+	if (is_file($boarddir . '/Packages/' . $context['filename']))
+		$context['files'] = read_tgz_file($boarddir . '/Packages/' . $context['filename'], null);
+	elseif (is_dir($boarddir . '/Packages/' . $context['filename']))
+		$context['files'] = listtree($boarddir . '/Packages/' . $context['filename']);
+}
+// List the files in a package.
+function ExamineFile()
+{
+	global $txt, $scripturl, $boarddir, $context, $sourcedir;
+	require_once($sourcedir . '/Subs-Package.php');
+	// No package?  Show him or her the door.
+	if (!isset($_REQUEST['package']) || $_REQUEST['package'] == '')
+		redirectexit('action=admin;area=packages');
+	// No file?  Show him or her the door.
+	if (!isset($_REQUEST['file']) || $_REQUEST['file'] == '')
+		redirectexit('action=admin;area=packages');
+	$_REQUEST['package'] = preg_replace('~[\.]+~', '.', strtr($_REQUEST['package'], array('/' => '_', '\\' => '_')));
+	$_REQUEST['file'] = preg_replace('~[\.]+~', '.', $_REQUEST['file']);
+	if (isset($_REQUEST['raw']))
+	{
+		if (is_file($boarddir . '/Packages/' . $_REQUEST['package']))
+			echo read_tgz_file($boarddir . '/Packages/' . $_REQUEST['package'], $_REQUEST['file'], true);
+		elseif (is_dir($boarddir . '/Packages/' . $_REQUEST['package']))
+			echo file_get_contents($boarddir . '/Packages/' . $_REQUEST['package'] . '/' . $_REQUEST['file']);
+		obExit(false);
+	}
+	$context['linktree'][count($context['linktree']) - 1] = array(
+		'url' => $scripturl . '?action=admin;area=packages;sa=list;package=' . $_REQUEST['package'],
+		'name' => $txt['package_examine_file']
+	);
+	$context['page_title'] .= ' - ' . $txt['package_examine_file'];
+	$context['sub_template'] = 'examine';
+	// The filename...
+	$context['package'] = $_REQUEST['package'];
+	$context['filename'] = $_REQUEST['file'];
+	// Let the unpacker do the work.... but make sure we handle images properly.
+	if (in_array(strtolower(strrchr($_REQUEST['file'], '.')), array('.bmp', '.gif', '.jpeg', '.jpg', '.png')))
+		$context['filedata'] = '<img src="' . $scripturl . '?action=admin;area=packages;sa=examine;package=' . $_REQUEST['package'] . ';file=' . $_REQUEST['file'] . ';raw" alt="' . $_REQUEST['file'] . '" />';
+	else
+	{
+		if (is_file($boarddir . '/Packages/' . $_REQUEST['package']))
+			$context['filedata'] = htmlspecialchars(read_tgz_file($boarddir . '/Packages/' . $_REQUEST['package'], $_REQUEST['file'], true));
+		elseif (is_dir($boarddir . '/Packages/' . $_REQUEST['package']))
+			$context['filedata'] = htmlspecialchars(file_get_contents($boarddir . '/Packages/' . $_REQUEST['package'] . '/' . $_REQUEST['file']));
+		if (strtolower(strrchr($_REQUEST['file'], '.')) == '.php')
+			$context['filedata'] = highlight_php_code($context['filedata']);
+	}
+}
+// List the installed packages.
+function InstalledList()
+{
+	global $txt, $scripturl, $context;
+	$context['page_title'] .= ' - ' . $txt['installed_packages'];
+	$context['sub_template'] = 'view_installed';
+	// Load the installed mods and send them to the template.
+	$context['installed_mods'] = loadInstalledPackages();
+}
+// Empty out the installed list.
+function FlushInstall()
+{
+	global $boarddir, $sourcedir, $smcFunc;
+	// Always check the session.
+	checkSession('get');
+	include_once($sourcedir . '/Subs-Package.php');
+	// Record when we last did this.
+	package_put_contents($boarddir . '/Packages/installed.list', time());
+	// Set everything as uninstalled.
+	$smcFunc['db_query']('', '
+		UPDATE {db_prefix}log_packages
+		SET install_state = {int:not_installed}',
+		array(
+			'not_installed' => 0,
+		)
+	);
+	redirectexit('action=admin;area=packages;sa=installed');
+}
+// Delete a package.
+function PackageRemove()
+{
+	global $scripturl, $boarddir;
+	// Check it.
+	checkSession('get');
+	// Ack, don't allow deletion of arbitrary files here, could become a security hole somehow!
+	if (!isset($_GET['package']) || $_GET['package'] == 'index.php' || $_GET['package'] == 'installed.list' || $_GET['package'] == 'backups')
+		redirectexit('action=admin;area=packages;sa=browse');
+	$_GET['package'] = preg_replace('~[\.]+~', '.', strtr($_GET['package'], array('/' => '_', '\\' => '_')));
+	// Can't delete what's not there.
+	if (file_exists($boarddir . '/Packages/' . $_GET['package']) && (substr($_GET['package'], -4) == '.zip' || substr($_GET['package'], -4) == '.tgz' || substr($_GET['package'], -7) == '.tar.gz' || is_dir($boarddir . '/Packages/' . $_GET['package'])) && $_GET['package'] != 'backups' && substr($_GET['package'], 0, 1) != '.')
+	{
+		create_chmod_control(array($boarddir . '/Packages/' . $_GET['package']), array('destination_url' => $scripturl . '?action=admin;area=packages;sa=remove;package=' . $_GET['package'], 'crash_on_error' => true));
+		if (is_dir($boarddir . '/Packages/' . $_GET['package']))
+			deltree($boarddir . '/Packages/' . $_GET['package']);
+		else
+		{
+			@chmod($boarddir . '/Packages/' . $_GET['package'], 0777);
+			unlink($boarddir . '/Packages/' . $_GET['package']);
+		}
+	}
+	redirectexit('action=admin;area=packages;sa=browse');
+}
+// Browse a list of installed packages.
+function PackageBrowse()
+{
+	global $txt, $boarddir, $scripturl, $context, $forum_version;
+	$context['page_title'] .= ' - ' . $txt['browse_packages'];
+	$context['sub_template'] = 'browse';
+	$context['forum_version'] = $forum_version;
+	$instmods = loadInstalledPackages();
+	$installed_mods = array();
+	// Look through the list of installed mods...
+	foreach ($instmods as $installed_mod)
+		$installed_mods[$installed_mod['package_id']] = array(
+			'id' => $installed_mod['id'],
+			'version' => $installed_mod['version'],
+		);
+	$the_version = strtr($forum_version, array('SMF ' => ''));
+	// Here we have a little code to help those who class themselves as something of gods, version emulation ;)
+	if (isset($_GET['version_emulate']))
+	{
+		if ($_GET['version_emulate'] === 0 && isset($_SESSION['version_emulate']))
+			unset($_SESSION['version_emulate']);
+		elseif ($_GET['version_emulate'] !== 0)
+			$_SESSION['version_emulate'] = strtr($_GET['version_emulate'], array('-' => ' ', '+' => ' ', 'SMF ' => ''));
+	}
+	if (!empty($_SESSION['version_emulate']))
+	{
+		$context['forum_version'] = 'SMF ' . $_SESSION['version_emulate'];
+		$the_version = $_SESSION['version_emulate'];
+	}
+	// Get a list of all the ids installed, so the latest packages won't include already installed ones.
+	$context['installed_mods'] = array_keys($installed_mods);
+	// Empty lists for now.
+	$context['available_mods'] = array();
+	$context['available_avatars'] = array();
+	$context['available_languages'] = array();
+	$context['available_other'] = array();
+	$context['available_all'] = array();
+	// We need the packages directory to be writable for this.
+	if (!@is_writable($boarddir . '/Packages'))
+		create_chmod_control(array($boarddir . '/Packages'), array('destination_url' => $scripturl . '?action=admin;area=packages', 'crash_on_error' => true));
+	if ($dir = @opendir($boarddir . '/Packages'))
+	{
+		$dirs = array();
+		while ($package = readdir($dir))
+		{
+			if ($package == '.' || $package == '..' || $package == 'temp' || (!(is_dir($boarddir . '/Packages/' . $package) && file_exists($boarddir . '/Packages/' . $package . '/package-info.xml')) && substr(strtolower($package), -7) != '.tar.gz' && substr(strtolower($package), -4) != '.tgz' && substr(strtolower($package), -4) != '.zip'))
+				continue;
+			// Skip directories or files that are named the same.
+			if (is_dir($boarddir . '/Packages/' . $package))
+			{
+				if (in_array($package, $dirs))
+					continue;
+				$dirs[] = $package;
+			}
+			elseif (substr(strtolower($package), -7) == '.tar.gz')
+			{
+				if (in_array(substr($package, 0, -7), $dirs))
+					continue;
+				$dirs[] = substr($package, 0, -7);
+			}
+			elseif (substr(strtolower($package), -4) == '.zip' || substr(strtolower($package), -4) == '.tgz')
+			{
+				if (in_array(substr($package, 0, -4), $dirs))
+					continue;
+				$dirs[] = substr($package, 0, -4);
+			}
+			$packageInfo = getPackageInfo($package);
+			if (!is_array($packageInfo))
+				continue;
+			$packageInfo['installed_id'] = isset($installed_mods[$packageInfo['id']]) ? $installed_mods[$packageInfo['id']]['id'] : 0;
+			$packageInfo['is_installed'] = isset($installed_mods[$packageInfo['id']]);
+			$packageInfo['is_current'] = $packageInfo['is_installed'] && ($installed_mods[$packageInfo['id']]['version'] == $packageInfo['version']);
+			$packageInfo['is_newer'] = $packageInfo['is_installed'] && ($installed_mods[$packageInfo['id']]['version'] > $packageInfo['version']);
+			$packageInfo['can_install'] = false;
+			$packageInfo['can_uninstall'] = false;
+			$packageInfo['can_upgrade'] = false;
+			// This package is currently NOT installed.  Check if it can be.
+			if (!$packageInfo['is_installed'] && $packageInfo['xml']->exists('install'))
+			{
+				// Check if there's an install for *THIS* version of SMF.
+				$installs = $packageInfo['xml']->set('install');
+				foreach ($installs as $install)
+				{
+					if (!$install->exists('@for') || matchPackageVersion($the_version, $install->fetch('@for')))
+					{
+						// Okay, this one is good to go.
+						$packageInfo['can_install'] = true;
+						break;
+					}
+				}
+			}
+			// An already installed, but old, package.  Can we upgrade it?
+			elseif ($packageInfo['is_installed'] && !$packageInfo['is_current'] && $packageInfo['xml']->exists('upgrade'))
+			{
+				$upgrades = $packageInfo['xml']->set('upgrade');
+				// First go through, and check against the current version of SMF.
+				foreach ($upgrades as $upgrade)
+				{
+					// Even if it is for this SMF, is it for the installed version of the mod?
+					if (!$upgrade->exists('@for') || matchPackageVersion($the_version, $upgrade->fetch('@for')))
+						if (!$upgrade->exists('@from') || matchPackageVersion($installed_mods[$packageInfo['id']]['version'], $upgrade->fetch('@from')))
+						{
+							$packageInfo['can_upgrade'] = true;
+							break;
+						}
+				}
+			}
+			// Note that it has to be the current version to be uninstallable.  Shucks.
+			elseif ($packageInfo['is_installed'] && $packageInfo['is_current'] && $packageInfo['xml']->exists('uninstall'))
+			{
+				$uninstalls = $packageInfo['xml']->set('uninstall');
+				// Can we find any uninstallation methods that work for this SMF version?
+				foreach ($uninstalls as $uninstall)
+					if (!$uninstall->exists('@for') || matchPackageVersion($the_version, $uninstall->fetch('@for')))
+					{
+						$packageInfo['can_uninstall'] = true;
+						break;
+					}
+			}
+			// Store a complete list.
+			$context['available_all'][] = $packageInfo;
+			// Modification.
+			if ($packageInfo['type'] == 'modification' || $packageInfo['type'] == 'mod')
+				$context['available_mods'][] = $packageInfo;
+			// Avatar package.
+			elseif ($packageInfo['type'] == 'avatar')
+				$context['available_avatars'][] = $packageInfo;
+			// Language package.
+			elseif ($packageInfo['type'] == 'language')
+				$context['available_languages'][] = $packageInfo;
+			// Other stuff.
+			else
+				$context['available_other'][] = $packageInfo;
+		}
+		closedir($dir);
+	}
+}
+function PackageOptions()
+{
+	global $txt, $scripturl, $context, $sourcedir, $modSettings, $smcFunc;
+	if (isset($_POST['submit']))
+	{
+		checkSession('post');
+		updateSettings(array(
+			'package_server' => trim($smcFunc['htmlspecialchars']($_POST['pack_server'])),
+			'package_port' => trim($smcFunc['htmlspecialchars']($_POST['pack_port'])),
+			'package_username' => trim($smcFunc['htmlspecialchars']($_POST['pack_user'])),
+			'package_make_backups' => !empty($_POST['package_make_backups'])
+		));
+		redirectexit('action=admin;area=packages;sa=options');
+	}
+	if (preg_match('~^/home/([^/]+?)/public_html~', $_SERVER['DOCUMENT_ROOT'], $match))
+		$default_username = $match[1];
+	else
+		$default_username = '';
+	$context['page_title'] = $txt['package_settings'];
+	$context['sub_template'] = 'install_options';
+	$context['package_ftp_server'] = isset($modSettings['package_server']) ? $modSettings['package_server'] : 'localhost';
+	$context['package_ftp_port'] = isset($modSettings['package_port']) ? $modSettings['package_port'] : '21';
+	$context['package_ftp_username'] = isset($modSettings['package_username']) ? $modSettings['package_username'] : $default_username;
+	$context['package_make_backups'] = !empty($modSettings['package_make_backups']);
+}
+function ViewOperations()
+{
+	global $context, $txt, $boarddir, $sourcedir, $smcFunc, $modSettings;
+	// Can't be in here buddy.
+	isAllowedTo('admin_forum');
+	// We need to know the operation key for the search and replace, mod file looking at, is it a board mod?
+	if (!isset($_REQUEST['operation_key'], $_REQUEST['filename']) && !is_numeric($_REQUEST['operation_key']))
+		fatal_lang_error('operation_invalid', 'general');
+	// Load the required file.
+	require_once($sourcedir . '/Subs-Package.php');
+	// Uninstalling the mod?
+	$reverse = isset($_REQUEST['reverse']) ? true : false;
+	// Get the base name.
+	$context['filename'] = preg_replace('~[\.]+~', '.', $_REQUEST['package']);
+	// We need to extract this again.
+	if (is_file($boarddir . '/Packages/' . $context['filename']))
+	{
+		$context['extracted_files'] = read_tgz_file($boarddir . '/Packages/' . $context['filename'], $boarddir . '/Packages/temp');
+		if ($context['extracted_files'] && !file_exists($boarddir . '/Packages/temp/package-info.xml'))
+			foreach ($context['extracted_files'] as $file)
+				if (basename($file['filename']) == 'package-info.xml')
+				{
+					$context['base_path'] = dirname($file['filename']) . '/';
+					break;
+				}
+		if (!isset($context['base_path']))
+			$context['base_path'] = '';
+	}
+	elseif (is_dir($boarddir . '/Packages/' . $context['filename']))
+	{
+		copytree($boarddir . '/Packages/' . $context['filename'], $boarddir . '/Packages/temp');
+		$context['extracted_files'] = listtree($boarddir . '/Packages/temp');
+		$context['base_path'] = '';
+	}
+	// Load up any custom themes we may want to install into...
+	$request = $smcFunc['db_query']('', '
+		SELECT id_theme, variable, value
+		FROM {db_prefix}themes
+		WHERE (id_theme = {int:default_theme} OR id_theme IN ({array_int:known_theme_list}))
+			AND variable IN ({string:name}, {string:theme_dir})',
+		array(
+			'known_theme_list' => explode(',', $modSettings['knownThemes']),
+			'default_theme' => 1,
+			'name' => 'name',
+			'theme_dir' => 'theme_dir',
+		)
+	);
+	$theme_paths = array();
+	while ($row = $smcFunc['db_fetch_assoc']($request))
+		$theme_paths[$row['id_theme']][$row['variable']] = $row['value'];
+	$smcFunc['db_free_result']($request);
+	// Boardmod?
+	if (isset($_REQUEST['boardmod']))
+		$mod_actions = parseBoardMod(@file_get_contents($boarddir . '/Packages/temp/' . $context['base_path'] . $_REQUEST['filename']), true, $reverse, $theme_paths);
+	else
+		$mod_actions = parseModification(@file_get_contents($boarddir . '/Packages/temp/' . $context['base_path'] . $_REQUEST['filename']), true, $reverse, $theme_paths);
+	// Ok lets get the content of the file.
+	$context['operations'] = array(
+		'search' => strtr(htmlspecialchars($mod_actions[$_REQUEST['operation_key']]['search_original']), array('[' => '&#91;', ']' => '&#93;')),
+		'replace' => strtr(htmlspecialchars($mod_actions[$_REQUEST['operation_key']]['replace_original']), array('[' => '&#91;', ']' => '&#93;')),
+		'position' => $mod_actions[$_REQUEST['operation_key']]['position'],
+	);
+	// Let's do some formatting...
+	$operation_text = $context['operations']['position'] == 'replace' ? 'operation_replace' : ($context['operations']['position'] == 'before' ? 'operation_after' : 'operation_before');
+	$context['operations']['search'] = parse_bbc('[code=' . $txt['operation_find'] . ']' . ($context['operations']['position'] == 'end' ? '?&gt;' : $context['operations']['search']) . '[/code]');
+	$context['operations']['replace'] = parse_bbc('[code=' . $txt[$operation_text] . ']' . $context['operations']['replace'] . '[/code]');
+	// No layers
+	$context['template_layers'] = array();
+	$context['sub_template'] = 'view_operations';
+}
+// Allow the admin to reset permissions on files.
+function PackagePermissions()
+{
+	global $context, $txt, $modSettings, $boarddir, $sourcedir, $cachedir, $smcFunc, $package_ftp;
+	// Let's try and be good, yes?
+	checkSession('get');
+	// If we're restoring permissions this is just a pass through really.
+	if (isset($_GET['restore']))
+	{
+		create_chmod_control(array(), array(), true);
+		fatal_lang_error('no_access', false);
+	}
+	// This is a memory eat.
+	@ini_set('memory_limit', '128M');
+	@set_time_limit(600);
+	// Load up some FTP stuff.
+	create_chmod_control();
+	if (empty($package_ftp) && !isset($_POST['skip_ftp']))
+	{
+		loadClassFile('Class-Package.php');
+		$ftp = new ftp_connection(null);
+		list ($username, $detect_path, $found_path) = $ftp->detect_path($boarddir);
+		$context['package_ftp'] = array(
+			'server' => isset($modSettings['package_server']) ? $modSettings['package_server'] : 'localhost',
+			'port' => isset($modSettings['package_port']) ? $modSettings['package_port'] : '21',
+			'username' => empty($username) ? (isset($modSettings['package_username']) ? $modSettings['package_username'] : '') : $username,
+			'path' => $detect_path,
+			'form_elements_only' => true,
+		);
+	}
+	else
+		$context['ftp_connected'] = true;
+	// Define the template.
+	$context['page_title'] = $txt['package_file_perms'];
+	$context['sub_template'] = 'file_permissions';
+	// Define what files we're interested in, as a tree.
+	$context['file_tree'] = array(
+		strtr($boarddir, array('\\' => '/')) => array(
+			'type' => 'dir',
+			'contents' => array(
+				'agreement.txt' => array(
+					'type' => 'file',
+					'writable_on' => 'standard',
+				),
+				'Settings.php' => array(
+					'type' => 'file',
+					'writable_on' => 'restrictive',
+				),
+				'Settings_bak.php' => array(
+					'type' => 'file',
+					'writable_on' => 'restrictive',
+				),
+				'attachments' => array(
+					'type' => 'dir',
+					'writable_on' => 'restrictive',
+				),
+				'avatars' => array(
+					'type' => 'dir',
+					'writable_on' => 'standard',
+				),
+				'cache' => array(
+					'type' => 'dir',
+					'writable_on' => 'restrictive',
+				),
+				'custom_avatar_dir' => array(
+					'type' => 'dir',
+					'writable_on' => 'restrictive',
+				),
+				'Smileys' => array(
+					'type' => 'dir_recursive',
+					'writable_on' => 'standard',
+				),
+				'Sources' => array(
+					'type' => 'dir',
+					'list_contents' => true,
+					'writable_on' => 'standard',
+				),
+				'Themes' => array(
+					'type' => 'dir_recursive',
+					'writable_on' => 'standard',
+					'contents' => array(
+						'default' => array(
+							'type' => 'dir_recursive',
+							'list_contents' => true,
+							'contents' => array(
+								'languages' => array(
+									'type' => 'dir',
+									'list_contents' => true,
+								),
+							),
+						),
+					),
+				),
+				'Packages' => array(
+					'type' => 'dir',
+					'writable_on' => 'standard',
+					'contents' => array(
+						'temp' => array(
+							'type' => 'dir',
+						),
+						'backup' => array(
+							'type' => 'dir',
+						),
+						'installed.list' => array(
+							'type' => 'file',
+							'writable_on' => 'standard',
+						),
+					),
+				),
+			),
+		),
+	);
+	// Directories that can move.
+	if (substr($sourcedir, 0, strlen($boarddir)) != $boarddir)
+	{
+		unset($context['file_tree'][strtr($boarddir, array('\\' => '/'))]['contents']['Sources']);
+		$context['file_tree'][strtr($sourcedir, array('\\' => '/'))] = array(
+			'type' => 'dir',
+			'list_contents' => true,
+			'writable_on' => 'standard',
+		);
+	}
+	// Moved the cache?
+	if (substr($cachedir, 0, strlen($boarddir)) != $boarddir)
+	{
+		unset($context['file_tree'][strtr($boarddir, array('\\' => '/'))]['contents']['cache']);
+		$context['file_tree'][strtr($cachedir, array('\\' => '/'))] = array(
+			'type' => 'dir',
+			'list_contents' => false,
+			'writable_on' => 'restrictive',
+		);
+	}
+	// Are we using multiple attachment directories?
+	if (!empty($modSettings['currentAttachmentUploadDir']))
+	{
+		unset($context['file_tree'][strtr($boarddir, array('\\' => '/'))]['contents']['attachments']);
+		if (!is_array($modSettings['attachmentUploadDir']))
+			$modSettings['attachmentUploadDir'] = unserialize($modSettings['attachmentUploadDir']);
+		// !!! Should we suggest non-current directories be read only?
+		foreach ($modSettings['attachmentUploadDir'] as $dir)
+			$context['file_tree'][strtr($dir, array('\\' => '/'))] = array(
+			'type' => 'dir',
+			'writable_on' => 'restrictive',
+		);
+	}
+	elseif (substr($modSettings['attachmentUploadDir'], 0, strlen($boarddir)) != $boarddir)
+	{
+		unset($context['file_tree'][strtr($boarddir, array('\\' => '/'))]['contents']['attachments']);
+		$context['file_tree'][strtr($modSettings['attachmentUploadDir'], array('\\' => '/'))] = array(
+			'type' => 'dir',
+			'writable_on' => 'restrictive',
+		);
+	}
+	if (substr($modSettings['smileys_dir'], 0, strlen($boarddir)) != $boarddir)
+	{
+		unset($context['file_tree'][strtr($boarddir, array('\\' => '/'))]['contents']['Smileys']);
+		$context['file_tree'][strtr($modSettings['smileys_dir'], array('\\' => '/'))] = array(
+			'type' => 'dir_recursive',
+			'writable_on' => 'standard',
+		);
+	}
+	if (substr($modSettings['avatar_directory'], 0, strlen($boarddir)) != $boarddir)
+	{
+		unset($context['file_tree'][strtr($boarddir, array('\\' => '/'))]['contents']['avatars']);
+		$context['file_tree'][strtr($modSettings['avatar_directory'], array('\\' => '/'))] = array(
+			'type' => 'dir',
+			'writable_on' => 'standard',
+		);
+	}
+	if (isset($modSettings['custom_avatar_dir']) && substr($modSettings['custom_avatar_dir'], 0, strlen($boarddir)) != $boarddir)
+	{
+		unset($context['file_tree'][strtr($boarddir, array('\\' => '/'))]['contents']['custom_avatar_dir']);
+		$context['file_tree'][strtr($modSettings['custom_avatar_dir'], array('\\' => '/'))] = array(
+			'type' => 'dir',
+			'writable_on' => 'restrictive',
+		);
+	}
+	// Load up any custom themes.
+	$request = $smcFunc['db_query']('', '
+		SELECT value
+		FROM {db_prefix}themes
+		WHERE id_theme > {int:default_theme_id}
+			AND id_member = {int:guest_id}
+			AND variable = {string:theme_dir}
+		ORDER BY value ASC',
+		array(
+			'default_theme_id' => 1,
+			'guest_id' => 0,
+			'theme_dir' => 'theme_dir',
+		)
+	);
+	while ($row = $smcFunc['db_fetch_assoc']($request))
+	{
+		if (substr(strtolower(strtr($row['value'], array('\\' => '/'))), 0, strlen($boarddir) + 7) == strtolower(strtr($boarddir, array('\\' => '/')) . '/Themes'))
+			$context['file_tree'][strtr($boarddir, array('\\' => '/'))]['contents']['Themes']['contents'][substr($row['value'], strlen($boarddir) + 8)] = array(
+				'type' => 'dir_recursive',
+				'list_contents' => true,
+				'contents' => array(
+					'languages' => array(
+						'type' => 'dir',
+						'list_contents' => true,
+					),
+				),
+			);
+		else
+		{
+			$context['file_tree'][strtr($row['value'], array('\\' => '/'))] = array(
+				'type' => 'dir_recursive',
+				'list_contents' => true,
+				'contents' => array(
+					'languages' => array(
+						'type' => 'dir',
+						'list_contents' => true,
+					),
+				),
+			);
+		}
+	}
+	$smcFunc['db_free_result']($request);
+	// If we're submitting then let's move on to another function to keep things cleaner..
+	if (isset($_POST['action_changes']))
+		return PackagePermissionsAction();
+	$context['look_for'] = array();
+	// Are we looking for a particular tree - normally an expansion?
+	if (!empty($_REQUEST['find']))
+		$context['look_for'][] = base64_decode($_REQUEST['find']);
+	// Only that tree?
+	$context['only_find'] = isset($_GET['xml']) && !empty($_REQUEST['onlyfind']) ? $_REQUEST['onlyfind'] : '';
+	if ($context['only_find'])
+		$context['look_for'][] = $context['only_find'];
+	// Have we got a load of back-catalogue trees to expand from a submit etc?
+	if (!empty($_GET['back_look']))
+	{
+		$potententialTrees = unserialize(base64_decode($_GET['back_look']));
+		foreach ($potententialTrees as $tree)
+			$context['look_for'][] = $tree;
+	}
+	// ... maybe posted?
+	if (!empty($_POST['back_look']))
+		$context['only_find'] = array_merge($context['only_find'], $_POST['back_look']);
+	$context['back_look_data'] = base64_encode(serialize(array_slice($context['look_for'], 0, 15)));
+	// Are we finding more files than first thought?
+	$context['file_offset'] = !empty($_REQUEST['fileoffset']) ? (int) $_REQUEST['fileoffset'] : 0;
+	// Don't list more than this many files in a directory.
+	$context['file_limit'] = 150;
+	// How many levels shall we show?
+	$context['default_level'] = empty($context['only_find']) ? 2 : 25;
+	// This will be used if we end up catching XML data.
+	$context['xml_data'] = array(
+		'roots' => array(
+			'identifier' => 'root',
+			'children' => array(
+				array(
+					'value' => preg_replace('~[^A-Za-z0-9_\-=:]~', ':-:', $context['only_find']),
+				),
+			),
+		),
+		'folders' => array(
+			'identifier' => 'folder',
+			'children' => array(),
+		),
+	);
+	foreach ($context['file_tree'] as $path => $data)
+	{
+		// Run this directory.
+		if (file_exists($path) && (empty($context['only_find']) || substr($context['only_find'], 0, strlen($path)) == $path))
+		{
+			// Get the first level down only.
+			fetchPerms__recursive($path, $context['file_tree'][$path], 1);
+			$context['file_tree'][$path]['perms'] = array(
+				'chmod' => @is_writable($path),
+				'perms' => @fileperms($path),
+			);
+		}
+		else
+			unset($context['file_tree'][$path]);
+	}
+	// Is this actually xml?
+	if (isset($_GET['xml']))
+	{
+		loadTemplate('Xml');
+		$context['sub_template'] = 'generic_xml';
+		$context['template_layers'] = array();
+	}
+}
+function fetchPerms__recursive($path, &$data, $level)
+{
+	global $context;
+	$isLikelyPath = false;
+	foreach ($context['look_for'] as $possiblePath)
+		if (substr($possiblePath, 0, strlen($path)) == $path)
+			$isLikelyPath = true;
+	// Is this where we stop?
+	if (isset($_GET['xml']) && !empty($context['look_for']) && !$isLikelyPath)
+		return;
+	elseif ($level > $context['default_level'] && !$isLikelyPath)
+		return;
+	// Are we actually interested in saving this data?
+	$save_data = empty($context['only_find']) || $context['only_find'] == $path;
+	//!!! Shouldn't happen - but better error message?
+	if (!is_dir($path))
+		fatal_lang_error('no_access', false);
+	// This is where we put stuff we've found for sorting.
+	$foundData = array(
+		'files' => array(),
+		'folders' => array(),
+	);
+	$dh = opendir($path);
+	while ($entry = readdir($dh))
+	{
+		// Some kind of file?
+		if (!is_dir($path . '/' . $entry))
+		{
+			// Are we listing PHP files in this directory?
+			if ($save_data && !empty($data['list_contents']) && substr($entry, -4) == '.php')
+				$foundData['files'][$entry] = true;
+			// A file we were looking for.
+			elseif ($save_data && isset($data['contents'][$entry]))
+				$foundData['files'][$entry] = true;
+		}
+		// It's a directory - we're interested one way or another, probably...
+		elseif ($entry != '.' && $entry != '..')
+		{
+			// Going further?
+			if ((!empty($data['type']) && $data['type'] == 'dir_recursive') || (isset($data['contents'][$entry]) && (!empty($data['contents'][$entry]['list_contents']) || (!empty($data['contents'][$entry]['type']) && $data['contents'][$entry]['type'] == 'dir_recursive'))))
+			{
+				if (!isset($data['contents'][$entry]))
+					$foundData['folders'][$entry] = 'dir_recursive';
+				else
+					$foundData['folders'][$entry] = true;
+				// If this wasn't expected inherit the recusiveness...
+				if (!isset($data['contents'][$entry]))
+					// We need to do this as we will be going all recursive.
+					$data['contents'][$entry] = array(
+						'type' => 'dir_recursive',
+					);
+				// Actually do the recursive stuff...
+				fetchPerms__recursive($path . '/' . $entry, $data['contents'][$entry], $level + 1);
+			}
+			// Maybe it is a folder we are not descending into.
+			elseif (isset($data['contents'][$entry]))
+				$foundData['folders'][$entry] = true;
+			// Otherwise we stop here.
+		}
+	}
+	closedir($dh);
+	// Nothing to see here?
+	if (!$save_data)
+		return;
+	// Now actually add the data, starting with the folders.
+	ksort($foundData['folders']);
+	foreach ($foundData['folders'] as $folder => $type)
+	{
+		$additional_data = array(
+			'perms' => array(
+				'chmod' => @is_writable($path . '/' . $folder),
+				'perms' => @fileperms($path . '/' . $folder),
+			),
+		);
+		if ($type !== true)
+			$additional_data['type'] = $type;
+		// If there's an offset ignore any folders in XML mode.
+		if (isset($_GET['xml']) && $context['file_offset'] == 0)
+		{
+			$context['xml_data']['folders']['children'][] = array(
+				'attributes' => array(
+					'writable' => $additional_data['perms']['chmod'] ? 1 : 0,
+					'permissions' => substr(sprintf('%o', $additional_data['perms']['perms']), -4),
+					'folder' => 1,
+					'path' => $context['only_find'],
+					'level' => $level,
+					'more' => 0,
+					'offset' => $context['file_offset'],
+					'my_ident' => preg_replace('~[^A-Za-z0-9_\-=:]~', ':-:', $context['only_find'] . '/' . $folder),
+					'ident' => preg_replace('~[^A-Za-z0-9_\-=:]~', ':-:', $context['only_find']),
+				),
+				'value' => $folder,
+			);
+		}
+		elseif (!isset($_GET['xml']))
+		{
+			if (isset($data['contents'][$folder]))
+				$data['contents'][$folder] = array_merge($data['contents'][$folder], $additional_data);
+			else
+				$data['contents'][$folder] = $additional_data;
+		}
+	}
+	// Now we want to do a similar thing with files.
+	ksort($foundData['files']);
+	$counter = -1;
+	foreach ($foundData['files'] as $file => $dummy)
+	{
+		$counter++;
+		// Have we reached our offset?
+		if ($context['file_offset'] > $counter)
+			continue;
+		// Gone too far?
+		if ($counter > ($context['file_offset'] + $context['file_limit']))
+			continue;
+		$additional_data = array(
+			'perms' => array(
+				'chmod' => @is_writable($path . '/' . $file),
+				'perms' => @fileperms($path . '/' . $file),
+			),
+		);
+		// XML?
+		if (isset($_GET['xml']))
+		{
+			$context['xml_data']['folders']['children'][] = array(
+				'attributes' => array(
+					'writable' => $additional_data['perms']['chmod'] ? 1 : 0,
+					'permissions' => substr(sprintf('%o', $additional_data['perms']['perms']), -4),
+					'folder' => 0,
+					'path' => $context['only_find'],
+					'level' => $level,
+					'more' => $counter == ($context['file_offset'] + $context['file_limit']) ? 1 : 0,
+					'offset' => $context['file_offset'],
+					'my_ident' => preg_replace('~[^A-Za-z0-9_\-=:]~', ':-:', $context['only_find'] . '/' . $file),
+					'ident' => preg_replace('~[^A-Za-z0-9_\-=:]~', ':-:', $context['only_find']),
+				),
+				'value' => $file,
+			);
+		}
+		elseif ($counter != ($context['file_offset'] + $context['file_limit']))
+		{
+			if (isset($data['contents'][$file]))
+				$data['contents'][$file] = array_merge($data['contents'][$file], $additional_data);
+			else
+				$data['contents'][$file] = $additional_data;
+		}
+	}
+}
+// Actually action the permission changes they want.
+function PackagePermissionsAction()
+{
+	global $context, $txt, $time_start, $package_ftp;
+	umask(0);
+	$timeout_limit = 5;
+	$context['method'] = $_POST['method'] == 'individual' ? 'individual' : 'predefined';
+	$context['sub_template'] = 'action_permissions';
+	$context['page_title'] = $txt['package_file_perms_applying'];
+	$context['back_look_data'] = isset($_POST['back_look']) ? $_POST['back_look'] : array();
+	// Skipping use of FTP?
+	if (empty($package_ftp))
+		$context['skip_ftp'] = true;
+	// We'll start off in a good place, security. Make sure that if we're dealing with individual files that they seem in the right place.
+	if ($context['method'] == 'individual')
+	{
+		// Only these path roots are legal.
+		$legal_roots = array_keys($context['file_tree']);
+		$context['custom_value'] = (int) $_POST['custom_value'];
+		// Continuing?
+		if (isset($_POST['toProcess']))
+			$_POST['permStatus'] = unserialize(base64_decode($_POST['toProcess']));
+		if (isset($_POST['permStatus']))
+		{
+			$context['to_process'] = array();
+			$validate_custom = false;
+			foreach ($_POST['permStatus'] as $path => $status)
+			{
+				// Nothing to see here?
+				if ($status == 'no_change')
+					continue;
+				$legal = false;
+				foreach ($legal_roots as $root)
+					if (substr($path, 0, strlen($root)) == $root)
+						$legal = true;
+				if (!$legal)
+					continue;
+				// Check it exists.
+				if (!file_exists($path))
+					continue;
+				if ($status == 'custom')
+					$validate_custom = true;
+				// Now add it.
+				$context['to_process'][$path] = $status;
+			}
+			$context['total_items'] = isset($_POST['totalItems']) ? (int) $_POST['totalItems'] : count($context['to_process']);
+			// Make sure the chmod status is valid?
+			if ($validate_custom)
+			{
+				if (preg_match('~^[4567][4567][4567]$~', $context['custom_value']) == false)
+					fatal_error($txt['chmod_value_invalid']);
+			}
+			// Nothing to do?
+			if (empty($context['to_process']))
+				redirectexit('action=admin;area=packages;sa=perms' . (!empty($context['back_look_data']) ? ';back_look=' . base64_encode(serialize($context['back_look_data'])) : '') . ';' . $context['session_var'] . '=' . $context['session_id']);
+		}
+		// Should never get here,
+		else
+			fatal_lang_error('no_access', false);
+		// Setup the custom value.
+		$custom_value = octdec('0' . $context['custom_value']);
+		// Start processing items.
+		foreach ($context['to_process'] as $path => $status)
+		{
+			if (in_array($status, array('execute', 'writable', 'read')))
+				package_chmod($path, $status);
+			elseif ($status == 'custom' && !empty($custom_value))
+			{
+				// Use FTP if we have it.
+				if (!empty($package_ftp) && !empty($_SESSION['pack_ftp']))
+				{
+					$ftp_file = strtr($path, array($_SESSION['pack_ftp']['root'] => ''));
+					$package_ftp->chmod($ftp_file, $custom_value);
+				}
+				else
+					@chmod($path, $custom_value);
+			}
+			// This fish is fried...
+			unset($context['to_process'][$path]);
+			// See if we're out of time?
+			if (time() - array_sum(explode(' ', $time_start)) > $timeout_limit)
+				return false;
+		}
+	}
+	// If predefined this is a little different.
+	else
+	{
+		$context['predefined_type'] = isset($_POST['predefined']) ? $_POST['predefined'] : 'restricted';
+		$context['total_items'] = isset($_POST['totalItems']) ? (int) $_POST['totalItems'] : 0;
+		$context['directory_list'] = isset($_POST['dirList']) ? unserialize(base64_decode($_POST['dirList'])) : array();
+		$context['file_offset'] = isset($_POST['fileOffset']) ? (int) $_POST['fileOffset'] : 0;
+		// Haven't counted the items yet?
+		if (empty($context['total_items']))
+		{
+			function count_directories__recursive($dir)
+			{
+				global $context;
+				$count = 0;
+				$dh = @opendir($dir);
+				while ($entry = readdir($dh))
+				{
+					if ($entry != '.' && $entry != '..' && is_dir($dir . '/' . $entry))
+					{
+						$context['directory_list'][$dir . '/' . $entry] = 1;
+						$count++;
+						$count += count_directories__recursive($dir . '/' . $entry);
+					}
+				}
+				closedir($dh);
+				return $count;
+			}
+			foreach ($context['file_tree'] as $path => $data)
+			{
+				if (is_dir($path))
+				{
+					$context['directory_list'][$path] = 1;
+					$context['total_items'] += count_directories__recursive($path);
+					$context['total_items']++;
+				}
+			}
+		}
+		// Have we built up our list of special files?
+		if (!isset($_POST['specialFiles']) && $context['predefined_type'] != 'free')
+		{
+			$context['special_files'] = array();
+			function build_special_files__recursive($path, &$data)
+			{
+				global $context;
+				if (!empty($data['writable_on']))
+					if ($context['predefined_type'] == 'standard' || $data['writable_on'] == 'restrictive')
+						$context['special_files'][$path] = 1;
+				if (!empty($data['contents']))
+					foreach ($data['contents'] as $name => $contents)
+						build_special_files__recursive($path . '/' . $name, $contents);
+			}
+			foreach ($context['file_tree'] as $path => $data)
+				build_special_files__recursive($path, $data);
+		}
+		// Free doesn't need special files.
+		elseif ($context['predefined_type'] == 'free')
+			$context['special_files'] = array();
+		else
+			$context['special_files'] = unserialize(base64_decode($_POST['specialFiles']));
+		// Now we definitely know where we are, we need to go through again doing the chmod!
+		foreach ($context['directory_list'] as $path => $dummy)
+		{
+			// Do the contents of the directory first.
+			$dh = @opendir($path);
+			$file_count = 0;
+			$dont_chmod = false;
+			while ($entry = readdir($dh))
+			{
+				$file_count++;
+				// Actually process this file?
+				if (!$dont_chmod && !is_dir($path . '/' . $entry) && (empty($context['file_offset']) || $context['file_offset'] < $file_count))
+				{
+					$status = $context['predefined_type'] == 'free' || isset($context['special_files'][$path . '/' . $entry]) ? 'writable' : 'execute';
+					package_chmod($path . '/' . $entry, $status);
+				}
+				// See if we're out of time?
+				if (!$dont_chmod && time() - array_sum(explode(' ', $time_start)) > $timeout_limit)
+				{
+					$dont_chmod = true;
+					// Don't do this again.
+					$context['file_offset'] = $file_count;
+				}
+			}
+			closedir($dh);
+			// If this is set it means we timed out half way through.
+			if ($dont_chmod)
+			{
+				$context['total_files'] = $file_count;
+				return false;
+			}
+			// Do the actual directory.
+			$status = $context['predefined_type'] == 'free' || isset($context['special_files'][$path]) ? 'writable' : 'execute';
+			package_chmod($path, $status);
+			// We've finished the directory so no file offset, and no record.
+			$context['file_offset'] = 0;
+			unset($context['directory_list'][$path]);
+			// See if we're out of time?
+			if (time() - array_sum(explode(' ', $time_start)) > $timeout_limit)
+				return false;
+		}
+	}
+	// If we're here we are done!
+	redirectexit('action=admin;area=packages;sa=perms' . (!empty($context['back_look_data']) ? ';back_look=' . base64_encode(serialize($context['back_look_data'])) : '') . ';' . $context['session_var'] . '=' . $context['session_id']);
+}
+// Test an FTP connection.
+function PackageFTPTest()
+{
+	global $context, $txt, $package_ftp;
+	checkSession('get');
+	// Try to make the FTP connection.
+	create_chmod_control(array(), array('force_find_error' => true));
+	// Deal with the template stuff.
+	loadTemplate('Xml');
+	$context['sub_template'] = 'generic_xml';
+	$context['template_layers'] = array();
+	// Define the return data, this is simple.
+	$context['xml_data'] = array(
+		'results' => array(
+			'identifier' => 'result',
+			'children' => array(
+				array(
+					'attributes' => array(
+						'success' => !empty($package_ftp) ? 1 : 0,
+					),
+					'value' => !empty($package_ftp) ? $txt['package_ftp_test_success'] : (isset($context['package_ftp'], $context['package_ftp']['error']) ? $context['package_ftp']['error'] : $txt['package_ftp_test_failed']),
+				),
+			),
+		),
+	);
+}
+?>

Mercurial > hg > vamp-website

comparison forum/Sources/Packages.php @ 76:e3e11437ecea website