From b7128a450891fd5913f8a5f158b8034f4bbe5571 Mon Sep 17 00:00:00 2001
From: Jordan Brown <Cyberboss@users.noreply.github.com>
Date: Thu, 12 Oct 2017 13:33:51 -0400
Subject: [PATCH] Fix TGUI compiler git updates

---
 tools/TGUICompiler.php | 198 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 198 insertions(+)
 create mode 100644 tools/TGUICompiler.php

diff --git a/tools/TGUICompiler.php b/tools/TGUICompiler.php
new file mode 100644
index 0000000000..a393e1d3c6
--- /dev/null
+++ b/tools/TGUICompiler.php
@@ -0,0 +1,198 @@
+<?php
+//Tool for web based TGUI compilation
+//by Cyberboss
+
+//RESTRICTIONS
+//Restricted to Windows for now because it uses mklink cmd function
+
+//INSTALLATION
+//Setup PHP
+//Place this file in it's own directory and rewrite all requests to the directory to this file
+//add extension=php_fileinfo.dll to php.ini
+//ensure fastcgi.impersonate is set to 0 in php.ini
+//clone a tgui repository and place next to this file
+//run install_dependencies.bat
+//MOVE (not copy) the node_modules folder next to this file
+try{
+	//CONFIG
+	$repo_dir = 'tgstation';
+	$path_to_tgui_from_repo = '/tgui';
+	$full_path_to_gulp = 'C:/Users/Cyberboss/AppData/Roaming/npm/gulp';	//this needs to be read/executable by the PHP app pool
+	$max_number_of_uploads = 20;
+	//END CONFIG
+
+	function getGitRevision()
+	{
+		global $tgdir;
+		$rev = trim(file_get_contents($tgdir . '/.git/HEAD'));
+
+		if (substr($rev, 0, 4) == 'ref:') {
+			$tmp = explode('/', $rev);
+			$ref = end($tmp);
+			$rev = trim(file_get_contents($tgdir . "/.git/refs/heads/{$ref}"));
+		}
+
+		return $rev;
+	}
+
+	function extrapolate_git_url(){
+		global $tgdir;
+		$config = file($tgdir . '/.git/config', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
+		foreach($config as $line)
+			if(strpos($line, 'url = ') !== false)
+				return trim(explode('=', $line)[1]);
+	}
+
+	function download_file($path){
+		header('Content-type: application/zip'); 
+		header('Content-Disposition: attachment; filename=' . basename($path));
+		header('Content-length: ' . filesize($path));
+		header('Pragma: no-cache'); 
+		header('Expires: 0'); 
+		readfile($path);
+	}
+
+	function recurse_copy($src,$dst) { 
+		$dir = opendir($src); 
+		@mkdir($dst); 
+		while(false !== ( $file = readdir($dir)) ) { 
+			if (( $file != '.' ) && ( $file != '..' )) { 
+				if ( is_dir($src . '/' . $file) ) { 
+					recurse_copy($src . '/' . $file,$dst . '/' . $file); 
+				} 
+				else { 
+					copy($src . '/' . $file,$dst . '/' . $file); 
+				} 
+			} 
+		} 
+		closedir($dir); 
+	} 
+
+	function rrmdir($dir) { 
+		if (is_dir($dir)) { 
+		$objects = scandir($dir); 
+		foreach ($objects as $object) { 
+			if ($object != "." && $object != "..") { 
+			if (is_dir($dir."/".$object))
+				rrmdir($dir."/".$object);
+			else
+				unlink($dir."/".$object); 
+			} 
+		}
+		rmdir($dir); 
+		} 
+	}
+
+	function update_git(){
+		global $tgdir;
+		shell_exec('cd ' . $tgdir . ' && git pull');
+	}
+	
+	$full_path_to_gulp = str_replace('/', '\\', $full_path_to_gulp);
+	$parent_dir = str_replace('\\', '/', realpath(dirname(__FILE__)));
+	$tgdir = $parent_dir . '/' . $repo_dir;
+
+	$revision = getGitRevision();
+	$git_base = extrapolate_git_url();
+	if($git_base)
+		$commit_url = $git_base . '/commit/' . $revision;
+	else
+		$error = 'Unable to determine github URL!';
+
+	if($_SERVER['REQUEST_METHOD'] === 'POST'){
+		$updated_git = isset($_POST['pull']);
+		if($updated_git){
+			update_git();
+			$revision = getGitRevision();
+		}
+		$good_files = array();
+		$finfo = new finfo(FILEINFO_MIME_TYPE);
+		foreach($_FILES as $F){
+			$name = $F['name'];
+			if(isset($F['error']) && !is_array($F['error']) && $F['error'] == UPLOAD_ERR_OK && $F['size'] > 0 && strpos($name, '\\') == false && strpos($name, '/') == false){
+				$ext = pathinfo($name, PATHINFO_EXTENSION);
+				$mime = $finfo->file($F['tmp_name']);
+				if($ext == 'ract' && $mime == 'text/plain')
+					$good_files[] = $F;
+			}
+		}
+		$the_count = count($good_files);
+		if($the_count > 0 && $the_count < $max_number_of_uploads){
+			$tgtgui_path = $tgdir . $path_to_tgui_from_repo;
+			$requests_dir = $parent_dir . '/requests';
+			if(!is_dir($requests_dir))
+				mkdir($requests_dir);
+			$target_path = str_replace('\\', '/', tempnam($requests_dir, 'tgui'));
+			unlink($target_path);
+			recurse_copy($tgtgui_path, $target_path);
+			$parent_node = $parent_dir . '/node_modules';
+			$target_node = $target_path . '/node_modules';
+			exec('mklink /j "' . str_replace('/', '\\', $target_node) . '" "' . str_replace('/', '\\', $parent_node) . '"');
+
+			//now copy the uploads to the thing
+			$target_interfaces = $target_path . '/src/interfaces/';
+			foreach($good_files as $F){
+				$target_name = $target_interfaces . $F['name'];
+				if(file_exists($target_name))
+					unlink($target_name); //remove the file
+				move_uploaded_file($F['tmp_name'], $target_name);
+			}
+			
+			//compile
+			$command = '"' . $full_path_to_gulp . '" --cwd "' . str_replace('/', '\\', $target_path) . '" --min 2>&1';
+			$output = shell_exec($command);
+
+			$zip = new ZipArchive();
+			$zippath = $target_path . '/TGUI.zip';
+			if($zip->open($zippath, ZipArchive::CREATE) == TRUE){
+				$zip->addFile($target_path . '/assets/tgui.css', 'tgui.css');
+				$zip->addFile($target_path . '/assets/tgui.js', 'tgui.js');
+				$zip->addFromString('gulp_output.txt', $output);
+				$zip->close();
+				download_file($zippath);
+			}
+			else
+				$error = 'Unable to create output zipfile!';
+			exec('rmdir "' . str_replace('/', '\\', $target_node) . '"');	//improtant
+			rrmdir($target_path);
+		}
+		else if(!$updated_git)
+			throw new RuntimeException('No valid files uploaded!');
+	}
+}
+catch(Exception $e){
+	$error = $e->getMessage();
+}
+
+?>
+<!DOCTYPE html>
+<html>
+	<head>
+		<title>TGUI .ract Compiler</title>
+	</head>
+	<body>
+		<?php if(isset($error)) echo '<h5><font color="red">An error occured:</font> ' . $error . '</h5><br><br>'; ?>
+		<h1>Upload up to <?php echo $max_number_of_uploads; ?> .ract files<h2>
+		<h4>Based off revision: <?php echo isset($commit_url) ? '<a href="' . $commit_url . '">' . $revision . '</a>' : $revision; ?>
+		<form id='file_form' action = '' method = 'post' enctype='multipart/form-data'>
+			<input type='checkbox' name='pull'>Update to latest revision (don't use this unless you have to)<br>
+			<div id='files_field'>
+				<input name='f1' type='file'><br>
+			</div>
+			<button id='add_more'>Add Another File</button>
+			<button type='submit'>Submit</button>
+		</form>
+	</body>
+	<script type='text/javascript' src='https://code.jquery.com/jquery-3.2.1.min.js'></script>
+	<script type='text/javascript'>
+		$(function(){
+			var next_id = 2;
+			$("#add_more").click(function(e){
+				$("#files_field").append("<input name='f" + next_id + "' type='file'><br>");
+				++next_id;
+				if(next_id > <?php echo $max_number_of_uploads; ?>)
+					$("#add_more").remove();
+			});
+		});
+	</script>
+</html>