CliBootstrap.php

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<?php
namespace TYPO3\CMS\Core\Core;

class CliBootstrap {

    static public function checkEnvironmentOrDie() {
        if (substr(php_sapi_name(), 0, 3) === 'cgi') {
            self::initializeCgiCompatibilityLayerOrDie();
        } elseif (php_sapi_name() !== 'cli') {
            die('Not called from a command line interface (e.g. a shell or scheduler).' . chr(10));
        }
    }

    static public function initializeCliKeyOrDie() {
        if (!isset($_SERVER['argv'][1]) || !is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['GLOBAL']['cliKeys'][$_SERVER['argv'][1]])) {
            if (!isset($_SERVER['argv'][1])) {
                $message = 'This script must have a \'cliKey\' as first argument.';
            } else {
                $message = 'The supplied \'cliKey\' is not valid.';
            }
            $message .= ' Valid keys are:

';
            $cliKeys = array_keys($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['GLOBAL']['cliKeys']);
            asort($cliKeys);
            foreach ($cliKeys as $key => $value) {
                $message .= '  ' . $value . LF;
            }
            fwrite(STDERR, $message . LF);
            die(1);
        }
        define('TYPO3_cliKey', $_SERVER['argv'][1]);
        define('TYPO3_cliInclude', \TYPO3\CMS\Core\Utility\GeneralUtility::getFileAbsFileName($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['GLOBAL']['cliKeys'][TYPO3_cliKey][0]));
        $GLOBALS['MCONF']['name'] = $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['GLOBAL']['cliKeys'][TYPO3_cliKey][1];
        // This is a compatibility layer: Some cli scripts rely on this, like ext:phpunit cli
        $GLOBALS['temp_cliScriptPath'] = array_shift($_SERVER['argv']);
        $GLOBALS['temp_cliKey'] = array_shift($_SERVER['argv']);
        array_unshift($_SERVER['argv'], $GLOBALS['temp_cliScriptPath']);
    }

    static protected function initializeCgiCompatibilityLayerOrDie() {
        // Sanity check: Ensure we're running in a shell or cronjob (and NOT via HTTP)
        $checkEnvVars = array('HTTP_USER_AGENT', 'HTTP_HOST', 'SERVER_NAME', 'REMOTE_ADDR', 'REMOTE_PORT', 'SERVER_PROTOCOL');
        foreach ($checkEnvVars as $var) {
            if (array_key_exists($var, $_SERVER)) {
                echo 'SECURITY CHECK FAILED! This script cannot be used within your browser!' . chr(10);
                echo 'If you are sure that we run in a shell or cronjob, please unset' . chr(10);
                echo 'environment variable ' . $var . ' (usually using \'unset ' . $var . '\')' . chr(10);
                echo 'before starting this script.' . chr(10);
                die;
            }
        }
        // Mimic CLI API in CGI API (you must use the -C/-no-chdir and the -q/--no-header switches!)
        ini_set('html_errors', 0);
        ini_set('implicit_flush', 1);
        ini_set('max_execution_time', 0);
        define('STDIN', fopen('php://stdin', 'r'));
        define('STDOUT', fopen('php://stdout', 'w'));
        define('STDERR', fopen('php://stderr', 'w'));
    }

}