[GitHub/WoltLab/WCF.git] / com.woltlab.wcf / files_pre.tar

acp/update_com.woltlab.wcf_5.4_session_1_cookies.php\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\00000770\00001750\00000056\000000011660\014043741472\0023050\0 0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0ustar  \0timwolla\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0plugdev\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0<?php

/**
 * Sets the new session cookies.
 *
 * @author  Tim Duesterhus
 * @copyright   2001-2021 WoltLab GmbH
 * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
 * @package WoltLabSuite\Core
 */

use wcf\system\application\ApplicationHandler;
use wcf\system\form\container\GroupFormElementContainer;
use wcf\system\form\element\LabelFormElement;
use wcf\system\form\FormDocument;
use wcf\system\request\RouteHandler;
use wcf\system\WCF;
use wcf\util\CryptoUtil;
use wcf\util\HeaderUtil;

// 1) Check whether the cookies are already in place.
$hasValidSessionCookie = false;
if (!empty($_COOKIE[COOKIE_PREFIX . "user_session"])) {
    $cookieValue = CryptoUtil::getValueFromSignedString($_COOKIE[COOKIE_PREFIX . "user_session"]);
    if ($cookieValue && \mb_strlen($cookieValue, '8bit') === 22) {
        $sessionID = \bin2hex(\mb_substr($cookieValue, 1, 20, '8bit'));
        if ($sessionID === WCF::getSession()->sessionID) {
            $hasValidSessionCookie = true;
        }
    }
}

$hasValidXsrfToken = false;
if (!empty($_COOKIE['XSRF-TOKEN'])) {
    if (
        // Check that the XSRF-TOKEN cookie is correctly signed.
        CryptoUtil::validateSignedString($_COOKIE['XSRF-TOKEN'])
        // Check that the current session value matches the cookie value.
        && WCF::getSession()->checkSecurityToken($_COOKIE['XSRF-TOKEN'])
        // Check that the 't' used for this request matches the cookie value.
        && (
            !empty($_REQUEST['t'])
            && \hash_equals($_COOKIE['XSRF-TOKEN'], $_REQUEST['t'])
        )
    ) {
        $hasValidXsrfToken = true;
    }
}

if ($hasValidSessionCookie && $hasValidXsrfToken) {
    // The process may continue;
    return;
}

// 2) Set new session cookie.
HeaderUtil::setCookie(
    "user_session",
    CryptoUtil::createSignedString(
        \pack(
            'CA20C',
            1,
            \hex2bin(WCF::getSession()->sessionID),
            0
        )
    )
);

// 3) Set new XSRF-TOKEN cookie.
$sameSite = $cookieDomain = '';
if (ApplicationHandler::getInstance()->isMultiDomainSetup()) {
    // We need to specify the cookieDomain in a multi domain set-up, because
    // otherwise no cookies are sent to subdomains.
    $cookieDomain = HeaderUtil::getCookieDomain();
    $cookieDomain = ($cookieDomain !== null ? '; domain=' . $cookieDomain : '');
} else {
    // SameSite=strict is not supported in a multi domain set-up, because
    // it breaks cross-application requests.
    $sameSite = '; SameSite=strict';
}

do {
    $bytes = \bin2hex(\random_bytes(16));
} while (\strpos(\base64_encode($bytes), '+') !== false);
$xsrfToken = CryptoUtil::createSignedString($bytes);
WCF::getSession()->register('__SECURITY_TOKEN', $xsrfToken);
\header(
    'set-cookie: XSRF-TOKEN=' . \rawurlencode($xsrfToken) . '; path=/' . $cookieDomain . (RouteHandler::secureConnection() ? '; secure' : '') . $sameSite,
    false
);

// 4) Adjust the SECURITY_TOKEN.
$container = new GroupFormElementContainer();
if (WCF::getLanguage()->getFixedLanguageCode() === 'de') {
    $container->setLabel("Sitzungs-Vorbereitung");
    $container->setDescription('');
} else {
    $container->setLabel("Session Preparation");
    $container->setDescription('');
}

$label = new LabelFormElement($container);
if (WCF::getLanguage()->getFixedLanguageCode() === 'de') {
    $label->setLabel('');
    $label->setText(
        <<<'EOT'
WoltLab Suite 5.4 aktualisiert das Sitzungs-System.
Dieser Schritt des Upgrades bereitet Ihre aktive Sitzung auf die Aktualisierung vor und stellt sicher, dass Sie dauerhaft eingeloggt bleiben.
Falls Sie dieses Fenster nach dem Fortfahren erneut sehen, konnte Ihre Sitzung nicht vorbereitet werden.
Bitte leeren Sie in diesem Fall die Cookies in Ihrem Webbrowser, melden sich erneut in der Administrationsoberfläche an und versuchen das Upgrade erneut.
EOT
    );
} else {
    $label->setLabel('');
    $label->setText(
        <<<'EOT'
WoltLab Suite 5.4 updates the session handling.
This step of the upgrade prepares your active session for this upgrade and ensures that you will continously stay logged in.
If you see this window again after proceeding then your session could not be prepared.
Please clear your web browser's cookies in this case.
Afterwards log back into the Administrator's Control Panel and restart the upgrade.
EOT
    );
}

$label->setDescription(
    <<<EOT
<script>(function() {
var oldToken = SECURITY_TOKEN;
SECURITY_TOKEN = encodeURIComponent("{$xsrfToken}");
var oldExecute = WCF.ACP.Package.Installation.prototype._executeStep;
WCF.ACP.Package.Installation.prototype._executeStep = function (step, node, additionalData) {
	var request = this._proxy._ajaxRequest;
	request.setOption('url', request.getOption('url').replace(oldToken, SECURITY_TOKEN));

	return oldExecute.call(this, step, node, additionalData);
}
})();
</script>
EOT
);

$container->appendChild($label);

$document = new FormDocument("cookies_set");
$document->appendContainer($container);

return $document;
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/**
 * Creates the user_session table.
 *
 * @author  Tim Duesterhus
 * @copyright   2001-2020 WoltLab GmbH
 * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
 * @package WoltLabSuite\Core
 */

use wcf\system\database\table\column\CharDatabaseTableColumn;
use wcf\system\database\table\column\IntDatabaseTableColumn;
use wcf\system\database\table\column\MediumblobDatabaseTableColumn;
use wcf\system\database\table\column\NotNullInt10DatabaseTableColumn;
use wcf\system\database\table\column\NotNullVarchar255DatabaseTableColumn;
use wcf\system\database\table\column\VarcharDatabaseTableColumn;
use wcf\system\database\table\DatabaseTable;
use wcf\system\database\table\index\DatabaseTableForeignKey;
use wcf\system\database\table\index\DatabaseTableIndex;

return [
    DatabaseTable::create('wcf1_user_session')
        ->columns([
            CharDatabaseTableColumn::create('sessionID')
                ->length(40)
                ->notNull(),
            IntDatabaseTableColumn::create('userID')
                ->length(10),
            NotNullVarchar255DatabaseTableColumn::create('userAgent')
                ->defaultValue(''),
            VarcharDatabaseTableColumn::create('ipAddress')
                ->length(39)
                ->defaultValue(''),
            NotNullInt10DatabaseTableColumn::create('creationTime'),
            NotNullInt10DatabaseTableColumn::create('lastActivityTime')
                ->defaultValue(0),
            MediumblobDatabaseTableColumn::create('sessionVariables'),
        ])
        ->indices([
            DatabaseTableIndex::create()
                ->type(DatabaseTableIndex::PRIMARY_TYPE)
                ->columns(['sessionID']),
            DatabaseTableIndex::create()
                ->columns(['userID']),
            DatabaseTableIndex::create()
                ->columns(['lastActivityTime']),
        ])
        ->foreignKeys([
            DatabaseTableForeignKey::create()
                ->columns(['userID'])
                ->referencedTable('wcf1_user')
                ->referencedColumns(['userID'])
                ->onDelete('CASCADE'),
        ]),
];
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/**
 * Creates a 5.4+ session matching the current ACP session.
 *
 * @author  Tim Duesterhus
 * @copyright   2001-2020 WoltLab GmbH
 * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
 * @package WoltLabSuite\Core
 */

use wcf\system\session\SessionHandler;
use wcf\system\WCF;

$sql = "SELECT  userID
        FROM    wcf" . WCF_N . "_user_session
        WHERE   sessionID = ?";
$statement = WCF::getDB()->prepareStatement($sql);
$statement->execute([
    SessionHandler::getInstance()->sessionID,
]);

// Check if a matching session already exists.
if ($statement->fetchSingleColumn() == SessionHandler::getInstance()->userID) {
    return;
}

$sql = "INSERT INTO wcf" . WCF_N . "_user_session
                    (sessionID, userID, userAgent, ipAddress, creationTime, lastActivityTime, sessionVariables)
        VALUES      (?, ?, ?, ?, ?, ?, ?)";
$statement = WCF::getDB()->prepareStatement($sql);

$klass = new \ReflectionClass(SessionHandler::getInstance());
$property = $klass->getProperty('variables');
$property->setAccessible(true);
$variables = $property->getValue(SessionHandler::getInstance());

$variables[SessionHandler::class . "\0__reauthentication__"] = [
    'lastAuthentication' => TIME_NOW,
    'lastCheck' => TIME_NOW,
];

$statement->execute([
    SessionHandler::getInstance()->sessionID,
    SessionHandler::getInstance()->userID,
    SessionHandler::getInstance()->userAgent,
    SessionHandler::getInstance()->ipAddress,
    TIME_NOW,
    TIME_NOW,
    \serialize([
        'acp' => $variables,
        'frontend' => [],
    ]),
]);
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namespace wcf\util;

use wcf\system\application\ApplicationHandler;
use wcf\system\event\EventHandler;
use wcf\system\request\RequestHandler;
use wcf\system\request\RouteHandler;
use wcf\system\session\SessionHandler;
use wcf\system\WCF;

/**
 * Contains header-related functions.
 *
 * @author  Marcel Werk
 * @copyright   2001-2019 WoltLab GmbH
 * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
 * @package WoltLabSuite\Core\Util
 */
final class HeaderUtil
{
    /**
     * @deprecated 5.4 - gzip support was removed.
     */
    const GZIP_LEVEL = 1;

    /**
     * output HTML
     * @var string
     */
    public static $output = '';

    /**
     * Alias to php setcookie() function.
     *
     * @param string $name
     * @param string $value
     * @param int $expire
     */
    public static function setCookie($name, $value = '', $expire = 0)
    {
        $cookieDomain = self::getCookieDomain();

        @\header(
            'Set-Cookie: ' . \rawurlencode(COOKIE_PREFIX . $name) . '=' . \rawurlencode((string)$value) . ($expire ? '; expires=' . \gmdate(
                'D, d-M-Y H:i:s',
                $expire
            ) . ' GMT; max-age=' . ($expire - TIME_NOW) : '') . '; path=/' . ($cookieDomain !== null ? '; domain=' . $cookieDomain : '') . (RouteHandler::secureConnection() ? '; secure' : '') . '; HttpOnly',
            false
        );
    }

    /**
     * Returns the cookie domain for the active application or 'null' if no domain should be specified.
     */
    public static function getCookieDomain(): ?string
    {
        $application = ApplicationHandler::getInstance()->getActiveApplication();
        $addDomain = (\mb_strpos(
            $application->cookieDomain,
            '.'
        ) === false || StringUtil::endsWith(
            $application->cookieDomain,
            '.lan'
        ) || StringUtil::endsWith($application->cookieDomain, '.local')) ? false : true;

        if (!$addDomain) {
            return null;
        }

        $cookieDomain = $application->cookieDomain;
        if ($addDomain && \strpos($cookieDomain, ':') !== false) {
            $cookieDomain = \explode(':', $cookieDomain, 2)[0];
        }

        return $cookieDomain;
    }

    /**
     * Sends the headers of a page.
     */
    public static function sendHeaders()
    {
        // send content type
        @\header('Content-Type: text/html; charset=UTF-8');

        // send no cache headers
        if (!PACKAGE_ID || !WCF::getSession()->spiderID) {
            self::sendNoCacheHeaders();
        }

        // send X-Frame-Options
        if (HTTP_SEND_X_FRAME_OPTIONS) {
            @\header('X-Frame-Options: SAMEORIGIN');
        }

        \ob_start([self::class, 'parseOutput']);
    }

    /**
     * Sends no cache headers.
     */
    public static function sendNoCacheHeaders()
    {
        @\header('Last-Modified: ' . \gmdate('D, d M Y H:i:s') . ' GMT');
        @\header('Cache-Control: max-age=0, no-cache, no-store, must-revalidate');
    }

    /**
     * @deprecated 5.4 - This method is a no-op, as gzip support was removed.
     */
    public static function exceptionDisableGzip()
    {
    }

    /**
     * Parses the rendered output.
     *
     * @param string $output
     * @return  string
     */
    public static function parseOutput($output)
    {
        self::$output = $output;

        if (!PACKAGE_ID || RequestHandler::getInstance()->isACPRequest()) {
            // force javascript relocation
            self::$output = \preg_replace('~<script([^>]*)>~', '<script data-relocate="true"\\1>', self::$output);
        }

        // move script tags to the bottom of the page
        $javascript = [];
        self::$output = \preg_replace_callback(
            '~(?P<conditionBefore><!--\[IF [^<]+\s*)?<script data-relocate="true"(?P<script>.*?</script>\s*)(?P<conditionAfter><!\[ENDIF]-->\s*)?~s',
            static function ($matches) use (&$javascript) {
                $match = '';
                if (isset($matches['conditionBefore'])) {
                    $match .= $matches['conditionBefore'];
                }
                $match .= '<script' . $matches['script'];
                if (isset($matches['conditionAfter'])) {
                    $match .= $matches['conditionAfter'];
                }

                $javascript[] = $match;

                return '';
            },
            self::$output
        );

        self::$output = \str_replace(
            '<!-- JAVASCRIPT_RELOCATE_POSITION -->',
            \implode("\n", $javascript),
            self::$output
        );

        // 3rd party plugins may differ the actual output before it is sent to the browser
        // please be aware, that $eventObj is not available here due to this being a static
        // class. Use HeaderUtil::$output to modify it.
        if (!\defined('NO_IMPORTS')) {
            EventHandler::getInstance()->fireAction(self::class, 'parseOutput');
        }

        return self::$output;
    }

    /**
     * Redirects the user agent to given location.
     *
     * @param string $location
     * @param bool $sendStatusCode
     * @param bool $temporaryRedirect
     */
    public static function redirect($location, $sendStatusCode = false, $temporaryRedirect = true)
    {
        // https://github.com/WoltLab/WCF/issues/2568
        if (SessionHandler::getInstance()->isFirstVisit()) {
            SessionHandler::getInstance()->register('__wcfIsFirstVisit', true);
        }

        if ($sendStatusCode) {
            if ($temporaryRedirect) {
                @\header('HTTP/1.1 307 Temporary Redirect');
            } else {
                @\header('HTTP/1.1 301 Moved Permanently');
            }
        }

        \header('Location: ' . $location);
    }

    /**
     * Does a delayed redirect.
     *
     * @param string $location
     * @param string $message
     * @param int $delay
     * @param string $status
     */
    public static function delayedRedirect($location, $message, $delay = 5, $status = 'success')
    {
        WCF::getTPL()->assign([
            'url' => $location,
            'message' => $message,
            'wait' => $delay,
            'templateName' => 'redirect',
            'templateNameApplication' => 'wcf',
            'status' => $status,
        ]);
        WCF::getTPL()->display('redirect');
    }

    /**
     * Forbid creation of HeaderUtil objects.
     */
    private function __construct()
    {
        // does nothing
    }
}
\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0lib/system/package/plugin/AbstractPackageInstallationPlugin.class.php\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\00000770\00001750\00000056\000000006165\014043741530\0026525\0 0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0ustar  \0timwolla\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0plugdev\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0<?php

namespace wcf\system\package\plugin;

use wcf\system\event\EventHandler;
use wcf\system\package\PackageArchive;
use wcf\system\package\PackageInstallationDispatcher;
use wcf\system\WCF;

/**
 * Abstract implementation of a package installation plugin.
 *
 * @author  Alexander Ebert
 * @copyright   2001-2019 WoltLab GmbH
 * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
 * @package WoltLabSuite\Core\System\Package\Plugin
 */
abstract class AbstractPackageInstallationPlugin implements IPackageInstallationPlugin
{
    /**
     * table application prefix
     * @var string
     */
    public $application = 'wcf';

    /**
     * database table name
     * @var string
     */
    public $tableName = '';

    /**
     * active instance of PackageInstallationDispatcher
     * @var PackageInstallationDispatcher
     */
    public $installation;

    /**
     * install/update instructions
     * @var array
     */
    public $instruction = [];

    /**
     * Creates a new AbstractPackageInstallationPlugin object.
     *
     * @param PackageInstallationDispatcher $installation
     * @param array $instruction
     */
    public function __construct(PackageInstallationDispatcher $installation, $instruction = [])
    {
        $this->installation = $installation;
        $this->instruction = $instruction;

        // call 'construct' event
        EventHandler::getInstance()->fireAction($this, 'construct');
    }

    /**
     * @inheritDoc
     */
    public function install()
    {
        // call 'install' event
        EventHandler::getInstance()->fireAction($this, 'install');
    }

    /**
     * @inheritDoc
     */
    public function update()
    {
        // call 'update' event
        EventHandler::getInstance()->fireAction($this, 'update');

        return $this->install();
    }

    /**
     * @inheritDoc
     */
    public function hasUninstall()
    {
        // call 'hasUninstall' event
        EventHandler::getInstance()->fireAction($this, 'hasUninstall');

        $sql = "SELECT  COUNT(*)
                FROM    " . $this->application . WCF_N . "_" . $this->tableName . "
                WHERE   packageID = ?";
        $statement = WCF::getDB()->prepareStatement($sql);
        $statement->execute([$this->installation->getPackageID()]);

        return $statement->fetchSingleColumn() > 0;
    }

    /**
     * @inheritDoc
     */
    public function uninstall()
    {
        // call 'uninstall' event
        EventHandler::getInstance()->fireAction($this, 'uninstall');

        $sql = "DELETE FROM " . $this->application . WCF_N . "_" . $this->tableName . "
                WHERE       packageID = ?";
        $statement = WCF::getDB()->prepareStatement($sql);
        $statement->execute([$this->installation->getPackageID()]);
    }

    /**
     * @see \wcf\system\package\plugin\IPackageInstallationPlugin::getDefaultFilename()
     * @since   3.0
     */
    public static function getDefaultFilename()
    {
        return null;
    }

    /**
     * @inheritDoc
     */
    public static function isValid(PackageArchive $archive, $instruction)
    {
        return true;
    }
}
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namespace wcf\system\package\plugin;

use wcf\system\database\table\DatabaseTableChangeProcessor;
use wcf\system\devtools\pip\IIdempotentPackageInstallationPlugin;
use wcf\system\WCF;
use wcf\util\FileUtil;

/**
 * Executes individual database scripts during installation.
 *
 * @author  Matthias Schmidt
 * @copyright   2001-2021 WoltLab GmbH
 * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
 * @package WoltLabSuite\Core\System\Package\Plugin
 */
class DatabasePackageInstallationPlugin extends AbstractPackageInstallationPlugin implements IIdempotentPackageInstallationPlugin
{
    public const SCRIPT_DIR = 'acp/database/';

    /**
     * @inheritDoc
     */
    public function install()
    {
        parent::install();

        $abbreviation = 'wcf';
        $path = '';
        if (isset($this->instruction['attributes']['application'])) {
            $abbreviation = $this->instruction['attributes']['application'];
        } elseif ($this->installation->getPackage()->isApplication) {
            $path = FileUtil::getRealPath(WCF_DIR . $this->installation->getPackage()->packageDir);
        }

        if (empty($path)) {
            $dirConstant = \strtoupper($abbreviation) . '_DIR';
            if (!\defined($dirConstant)) {
                throw new \InvalidArgumentException("Cannot execute database PIP, abbreviation '{$abbreviation}' is unknown.");
            }

            $path = \constant($dirConstant);
        }

        $scriptPath = $path . $this->instruction['value'];

        $this->updateDatabase($scriptPath);

        if (@\unlink($scriptPath)) {
            $sql = "DELETE FROM wcf" . WCF_N . "_package_installation_file_log
                    WHERE       packageID = ?
                            AND filename = ?";
            $statement = WCF::getDB()->prepareStatement($sql);
            $statement->execute([
                $this->installation->getPackageID(),
                $this->instruction['value'],
            ]);
        }
    }

    /**
     * Runs the database script at the given path.
     *
     * @param   string  $scriptPath
     */
    private function updateDatabase(string $scriptPath): void
    {
        $tables = include($scriptPath);
        if (!\is_array($tables)) {
            throw new \UnexpectedValueException("A database script must return an array.");
        }

        (new DatabaseTableChangeProcessor(
            $this->installation->getPackage(),
            $tables,
            WCF::getDB()->getEditor()
        ))->process();
    }

    /**
     * @inheritDoc
     */
    public function hasUninstall()
    {
        // Database scripts cannot be uninstalled.
        return false;
    }

    /**
     * @inheritDoc
     */
    public function uninstall()
    {
        // does nothing
    }

    /**
     * @inheritDoc
     */
    public static function getDefaultFilename()
    {
        return static::SCRIPT_DIR . '*.php';
    }

    /**
     * @inheritDoc
     */
    public static function getSyncDependencies()
    {
        return ['file'];
    }
}
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namespace wcf\system\package\plugin;

use wcf\data\application\Application;
use wcf\data\package\Package;
use wcf\system\devtools\pip\IIdempotentPackageInstallationPlugin;
use wcf\system\exception\SystemException;
use wcf\system\package\FilesFileHandler;
use wcf\system\package\PackageArchive;
use wcf\system\package\PackageInstallationDispatcher;
use wcf\system\style\StyleHandler;
use wcf\system\WCF;

/**
 * Installs, updates and deletes files.
 *
 * @author  Matthias Schmidt, Marcel Werk
 * @copyright   2001-2019 WoltLab GmbH
 * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
 * @package WoltLabSuite\Core\System\Package\Plugin
 */
class FilePackageInstallationPlugin extends AbstractPackageInstallationPlugin implements
    IIdempotentPackageInstallationPlugin
{
    /**
     * @inheritDoc
     */
    public $tableName = 'package_installation_file_log';

    /**
     * @inheritDoc
     */
    public function install()
    {
        parent::install();

        $abbreviation = 'wcf';
        if (isset($this->instruction['attributes']['application'])) {
            $abbreviation = $this->instruction['attributes']['application'];
        } elseif ($this->installation->getPackage()->isApplication) {
            $abbreviation = Package::getAbbreviation($this->installation->getPackage()->package);
        }

        // absolute path to package dir
        $packageDir = Application::getDirectory($abbreviation);

        // extract files.tar to temp folder
        $sourceFile = $this->installation->getArchive()->extractTar($this->instruction['value'], 'files_');

        // create file handler
        $fileHandler = new FilesFileHandler($this->installation, $abbreviation);

        // extract content of files.tar
        $fileInstaller = $this->installation->extractFiles($packageDir, $sourceFile, $fileHandler);

        // if this is an application, write config.inc.php for this package
        if (
            $this->installation->getPackage()->isApplication == 1
            && $this->installation->getPackage()->package != 'com.woltlab.wcf'
            && $this->installation->getAction() == 'install'
            && $abbreviation != 'wcf'
        ) {
            // touch file
            $fileInstaller->touchFile(PackageInstallationDispatcher::CONFIG_FILE);

            // create file
            Package::writeConfigFile($this->installation->getPackageID());

            // log files
            $sql = "INSERT INTO wcf" . WCF_N . "_package_installation_file_log
                                (packageID, filename, application)
                    VALUES      (?, ?, ?)";
            $statement = WCF::getDB()->prepareStatement($sql);
            $statement->execute([
                $this->installation->getPackageID(),
                'config.inc.php',
                Package::getAbbreviation($this->installation->getPackage()->package),
            ]);
            $statement->execute([
                $this->installation->getPackageID(),
                PackageInstallationDispatcher::CONFIG_FILE,
                Package::getAbbreviation($this->installation->getPackage()->package),
            ]);

            // load application
            WCF::loadRuntimeApplication($this->installation->getPackageID());
        }

        // delete temporary sourceArchive
        @\unlink($sourceFile);

        StyleHandler::resetStylesheets(true);
    }

    /**
     * @inheritDoc
     */
    public function uninstall()
    {
        // fetch files from log
        $sql = "SELECT  filename, application
                FROM    wcf" . WCF_N . "_package_installation_file_log
                WHERE   packageID = ?";
        $statement = WCF::getDB()->prepareStatement($sql);
        $statement->execute([$this->installation->getPackageID()]);
        $files = $statement->fetchMap('application', 'filename', false);

        foreach ($files as $application => $filenames) {
            /** @noinspection PhpUndefinedMethodInspection */
            $this->installation->deleteFiles(Application::getDirectory($application), $filenames);

            // delete log entries
            parent::uninstall();
        }
    }

    /**
     * @inheritDoc
     */
    public static function getDefaultFilename()
    {
        return 'files.tar';
    }

    /**
     * @inheritDoc
     */
    public static function isValid(PackageArchive $archive, $instruction)
    {
        if (!$instruction) {
            $instruction = static::getDefaultFilename();
        }

        if (\preg_match('~\.(tar(\.gz)?|tgz)$~', $instruction)) {
            // check if file actually exists
            try {
                if ($archive->getTar()->getIndexByFilename($instruction) === false) {
                    return false;
                }
            } catch (SystemException $e) {
                return false;
            }

            return true;
        }

        return false;
    }

    /**
     * @inheritDoc
     */
    public static function getSyncDependencies()
    {
        return ['option'];
    }
}
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namespace wcf\system\package\plugin;

use wcf\system\cache\CacheHandler;
use wcf\system\exception\SystemException;
use wcf\system\form\FormDocument;
use wcf\system\WCF;
use wcf\util\FileUtil;

/**
 * Executes individual PHP scripts during installation.
 *
 * @author  Alexander Ebert
 * @copyright   2001-2019 WoltLab GmbH
 * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
 * @package WoltLabSuite\Core\System\Package\Plugin
 */
class ScriptPackageInstallationPlugin extends AbstractPackageInstallationPlugin
{
    /**
     * @inheritDoc
     */
    public function install()
    {
        parent::install();

        $abbreviation = 'wcf';
        $path = '';
        if (isset($this->instruction['attributes']['application'])) {
            $abbreviation = $this->instruction['attributes']['application'];
        } elseif ($this->installation->getPackage()->isApplication) {
            $path = FileUtil::getRealPath(WCF_DIR . $this->installation->getPackage()->packageDir);
        }

        if (empty($path)) {
            $dirConstant = \strtoupper($abbreviation) . '_DIR';
            if (!\defined($dirConstant)) {
                throw new SystemException("Cannot execute script-PIP, abbreviation '" . $abbreviation . "' is unknown");
            }

            $path = \constant($dirConstant);
        }

        $flushCache = true;
        if (
            isset($this->instruction['attributes']['flushCache'])
            && $this->instruction['attributes']['flushCache'] === 'false'
        ) {
            $flushCache = false;
        }

        // reset WCF cache
        if ($flushCache) {
            CacheHandler::getInstance()->flushAll();
        }

        // run script
        $result = $this->run($path . $this->instruction['value']);

        // delete script
        if (!($result instanceof FormDocument) && @\unlink($path . $this->instruction['value'])) {
            // delete file log entry
            $sql = "DELETE FROM wcf" . WCF_N . "_package_installation_file_log
                    WHERE       packageID = ?
                            AND filename = ?";
            $statement = WCF::getDB()->prepareStatement($sql);
            $statement->execute([
                $this->installation->getPackageID(),
                $this->instruction['value'],
            ]);
        }

        return $result;
    }

    /**
     * Runs the script with the given path.
     *
     * @param string $scriptPath
     */
    private function run($scriptPath)
    {
        return include($scriptPath);
    }

    /**
     * @inheritDoc
     */
    public function hasUninstall()
    {
        // scripts can't be uninstalled
        return false;
    }

    /**
     * @inheritDoc
     */
    public function uninstall()
    {
        // does nothing
    }
}
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