oidc-lib/src/install/util.js

A library for creating OIDC Service Providers

module.exports = {
	mkDirectoriesInPath: mkDirectoriesInPath,
	copyDirectory: copyDirectory
}

const path = require('path');
const fs = require('fs');

// WARNING *** NOT THE SAME AS sts utils because of fs
function mkDirectoriesInPath(target) {
	var sep;
	var firstSeg = true;
	if (isUnixFilesystem()){
		target = forwardSlash(target);
		sep = '/';
	}
	else{
		target = backSlash(target);
		sep = '\\';
	}
	var segments = target.split(sep);
	var path = '';
	var prefix = '';
	for (var i=0; i < segments.length; i++){
		path += prefix + segments[i];
		prefix = sep;
		if (firstSeg){
			firstSeg = false;
			continue;
		}
		prefix = sep;
		if (!fs.existsSync(path)){
			fs.mkdirSync(path);
		}
	}
}

// forwardSlash is pk.util.slash_normalize - adjusts file paths written 
// for windows so they work on unix as well.
function forwardSlash(windows_path){
   if (isUnixFilesystem()){
      windows_path = windows_path.replace(/\\/g, '/');;
   }

   return windows_path;
}

// backSlash is slash_denormalize - adjusts file paths written 
// for unix so they work on windows as well.
function backSlash(unix_path){
   if (!isUnixFilesystem()){
      unix_path = unix_path.replace(/\//g, '\\');;
   }

   return unix_path;
}

// node can run under linux or windows
function usingNode(){
	return (typeof window === "undefined");
}

// unix file system only possible running node
function isUnixFilesystem(){
	// node rather than browser && /usr/bin in the path
	return usingNode() && process.env.PATH.indexOf("/usr/bin") >= 0;
}

function copyDirectory(sourceDirName, destDirName){
	mkDirectoriesInPath(destDirName);
	var dirents = fs.readdirSync(sourceDirName, {withFileTypes: true});
	for (var i=0; i<dirents.length; i++){
		var dirent = dirents[i];
		if (dirent.isFile()){
			var name = dirent.name
			var srcPath = path.join(sourceDirName, name);
			var destPath = path.join(destDirName, name);
			var buffer = fs.readFileSync(srcPath);
			fs.writeFileSync(destPath, buffer);
		} 
	}
	for (var i=0; i<dirents.length; i++){
		var dirent = dirents[i];
		if (dirent.isDirectory()){
			copyDirectory(path.join(sourceDirName, dirent.name), path.join(destDirName, dirent.name));
		}
	}
}