oidc-lib/src/wallet_op/handle_handlebars.js

A library for creating OIDC Service Providers

var fs   = require('fs');
var path = require('path');
var base64url = require('base64url');

var root, branch;
var dirOfInterest = 'views';
var viewSet = {};
var scriptSet = '';
var linefeed = '';

var args = process.argv.slice(2);
if (args.length === 0){
      root = path.resolve('.');
      processDir(root , root, dirOfInterest);
}
else if (args.length === 1){
   var configArg = args[0].split('=');
   if (configArg[0] !== 'config'){
      console.log('Args error. Require config="c:/somepath"');
      process.exit(1);
   }

   var handlebarControl = configArg[1];
   var handlebarConfigStream = fs.readFileSync(handlebarControl, {encoding: 'utf8'});
   var handlebarConfig = JSON.parse(handlebarConfigStream);
   root = path.resolve(handlebarConfig.root);
   for (var i=0; i < handlebarConfig.branches.length; i++){
      var branch = forwardSlash(root + '\\' + handlebarConfig.branches[i].replace(/\//g, '\\'));
      processDir(root , branch, dirOfInterest);
   }
}
else {
      console.log('Args error. Use config= to specify a config file or no parameters to simply look for Views direction under the current directory');
      process.exit(1);   
}
var packageFile = dirOfInterest + '_package.js';
var fd = fs.openSync(packageFile, 'w');
fs.writeSync(fd, 'module.exports = {\r\n\t\'viewCollection\': ');
fs.writeSync(fd, JSON.stringify(viewSet));
fs.writeSync(fd, ",\r\n\t\'scripts\': {\r\n");
fs.writeSync(fd, scriptSet);
fs.writeSync(fd, "\r\n\t}\r\n}\r\n");
fs.closeSync(fd);

function processDir(origin, dir, dirTarget){
   var dirObjects = fs.readdirSync(dir);
   for (var dCount=0; dCount < dirObjects.length; dCount++){
      var dirObject = dirObjects[dCount];
      if (dirObject === 'node_modules'){
         continue;
      }

      var fullpath = path.resolve(dir, dirObject);
      var stat = fs.statSync(fullpath);

      if (stat && stat.isDirectory()){
         processDir(origin, fullpath, dirTarget);
      }

      if (stat && stat.isFile()){
         var dirTail = dir.substring(dir.lastIndexOf(forwardSlash('\\')) + 1);

         if (dirTail.toLowerCase() === dirTarget){
            var view = dir.replace(origin, "");
            view = backSlash(view + '/' + dirObject);
            view = view.toLowerCase();
            if (view.endsWith('.handlebars')){
               view = view.substring(0, view.length - 11);
               var fileInfo = {
                  view: view,
                  file: forwardSlash(dir + '\\' + dirObject)
               };

               var stringContent = fs.readFileSync(fileInfo.file, {encoding: 'utf8'});
               var content64 = base64url.encode(stringContent);
               viewSet[fileInfo.view] = content64;
            }


            if (view.endsWith('.js')){
               view = view.substring(0, view.length - 3);
               var scriptPath = '..' + view.replace(/\\/g, '/');
               scriptSet += linefeed  + '\t\t' + JSON.stringify(view) + ': require("' + scriptPath + '")'; 
               linefeed = ",\r\n";
            }
         }
      }                             
   }
}

// forwardSlash is pk.util.slash_normalize - adjusts file paths written 
// for windows so they work on unix as well.
function forwardSlash(windows_path){
   if (process.env.PATH.indexOf("/usr/bin") >= 0){
      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 (process.env.PATH.indexOf("/usr/bin") < 0){
      unix_path = unix_path.replace(/\//g, '\\');;
   }

   return unix_path;
}