<?php
	/**
     * fruithost | OpenSource Hosting
     *
     * @author Adrian Preuß
     * @version 1.0.0
     * @license MIT
     */

	use fruithost\Accounting\Auth;
	use fruithost\Localization\I18N;
	use fruithost\Network\Response;
	
	function directory_map(string $sourceDir) : array {
		$list    = [];
		$exclude = [
			'gz',
			'xy'
		];

		if(!is_dir($sourceDir)) {
			return $list;
		}

		$fp        = opendir($sourceDir);
		$sourceDir = rtrim($sourceDir, DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR;
		while(false !== ($file = readdir($fp))) {
			if($file === '.' || $file === '..') {
				continue;
			}

			$parts = pathinfo($file);

			if(isset($parts['extension']) && in_array($parts['extension'], $exclude)) {
				continue;
			}

			if(is_dir($sourceDir.$file)) {
				if(!is_readable($sourceDir.$file)) {
					$list[] = $sourceDir.$file.DIRECTORY_SEPARATOR;
					continue;
				}

				$list = array_merge($list, directory_map($sourceDir.$file));
			} else {
				$list[] = $sourceDir.$file;
			}
		}

		closedir($fp);
		
		return $list;
	}
	
	if(!Auth::hasPermission('SERVER::LOGFILES')) {
		$list = [];
	} else {
		if(defined('LOG_PATH')) {
			$list = array_merge(directory_map(LOG_PATH), directory_map('/var/log/'));
		} else {
			$list = directory_map('/var/log/');
		}
	}

	if(isset($_POST['action'])) {
		if(!Auth::hasPermission('SERVER::LOGFILES')) {
			$this->assign('error', I18N::get('You have no permissions for this action!'));
			exit();
		}

		if(!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) === 'xmlhttprequest') {
			Response::addHeader('Content-Type', 'text/plain; charset=UTF-8');

			switch($_POST['action']) {
				case 'refresh':
					print json_encode($list);
				break;
				case 'file':
					$file    = $_POST['file'];
					$content = null;
					if(!file_exists($file)) {
						$content = null;
					}
					if(!is_readable($file)) {
						$content = false;
					}
					if(!empty($file)) {
						try {
							$content = @file_get_contents($file);
						} catch(\Exception $e) {
							$content = false;
						}
					}
					if($content === false) {
						$content = shell_exec(sprintf('cat %s 2>&1', $file));
						if(str_starts_with($content, 'cat:') && str_contains($content, 'Permission denied')) {
							$content = false;
						}
					}
					print json_encode([
						'file'    => $file,
						'content' => $content
					]);
				break;
			}

			exit();
		}
	}

	$template->assign('list', $list);
	$template->getFiles()->addJavascript('terminal', $this->url('js/terminal.js'), '1.0.0');
?>