script.js

var util = util || {};
util.toArray = function(list) {
   return Array.prototype.slice.call(list || [], 0);
};

var Terminal =
   Terminal ||
   function(cmdLineContainer, outputContainer) {
      window.URL = window.URL || window.webkitURL;
      window.requestFileSystem =
         window.requestFileSystem || window.webkitRequestFileSystem;

      var cmdLine_ = document.querySelector(cmdLineContainer);
      var output_ = document.querySelector(outputContainer);

      const CMDS_ = [
         "cat",
         "cd",
         "clear",
         "clear",
         "date",
         "echo",
         "email_me",
         "help",
         "ls",
         "pwd",
         "social",
         "sudo",
         "uname",
         "whoami",
         "wget"
      ];

      var fs_ = null;
      var cwd_ = null;
      var history_ = [];
      var histpos_ = 0;
      var histtemp_ = 0;

      window.addEventListener(
         "click",
         function(e) {
            cmdLine_.focus();
         },
         false
      );

      cmdLine_.addEventListener("click", inputTextClick_, false);
      cmdLine_.addEventListener("keydown", historyHandler_, true);
      cmdLine_.addEventListener("keydown", processNewCommand_, false);

      //
      function inputTextClick_(e) {
         this.value = this.value;
      }

      //
      function historyHandler_(e) {
         if (history_.length) {
            if (e.keyCode == 38 || e.keyCode == 40) {
               if (history_[histpos_]) {
                  history_[histpos_] = this.value;
               } else {
                  histtemp_ = this.value;
               }
            }

            if (e.keyCode == 38) {
               // up
               histpos_--;
               if (histpos_ < 0) {
                  histpos_ = 0;
               }
            } else if (e.keyCode == 40) {
               // down
               histpos_++;
               if (histpos_ > history_.length) {
                  histpos_ = history_.length;
               }
            }

            if (e.keyCode == 38 || e.keyCode == 40) {
               this.value = history_[histpos_] ? history_[histpos_] : histtemp_;
               this.value = this.value; // Sets cursor to end of input.
            }
         }
      }

      //
      function processNewCommand_(e) {
         if (e.keyCode == 9) {
            // tab
            e.preventDefault();
            // Implement tab suggest.
         } else if (e.keyCode == 13) {
            // enter
            // Save shell history.
            if (this.value) {
               history_[history_.length] = this.value;
               histpos_ = history_.length;
            }

            // Duplicate current input and append to output section.
            var line = this.parentNode.parentNode.cloneNode(true);
            line.removeAttribute("id");
            line.classList.add("line");
            var input = line.querySelector("input.cmdline");
            input.autofocus = false;
            input.readOnly = true;
            output_.appendChild(line);

            if (this.value && this.value.trim()) {
               var args = this.value.split(" ").filter(function(val, i) {
                  return val;
               });
               var cmd = args[0].toLowerCase();
               args = args.splice(1); // Remove cmd from arg list.
            }

            execCMD(cmd, args);

            window.scrollTo(0, getDocHeight_());
            this.value = ""; // Clear/setup line for next input.
         }
      }

      //
      function formatColumns_(entries) {
         var maxName = entries[0].name;
         util.toArray(entries).forEach(function(entry, i) {
            if (entry.name.length > maxName.length) {
               maxName = entry.name;
            }
         });

         var height =
            entries.length <= 3 ? "height: " + entries.length * 15 + "px;" : "";

         // 12px monospace font yields ~7px screen width.
         var colWidth = maxName.length * 7;

         return [
            '<div class="ls-files" style="-webkit-column-width:',
            colWidth,
            "px;",
            height,
            '">'
         ];
      }

      //
      function output(html) {
         output_.insertAdjacentHTML("beforeEnd", "<p>" + html + "</p>");
      }

      // Cross-browser impl to get document's height.
      function getDocHeight_() {
         var d = document;
         return Math.max(
            Math.max(d.body.scrollHeight, d.documentElement.scrollHeight),
            Math.max(d.body.offsetHeight, d.documentElement.offsetHeight),
            Math.max(d.body.clientHeight, d.documentElement.clientHeight)
         );
      }

      function execCMD(cmd, args) {
         switch (cmd) {
            case "cat":
               var url = args.join(" ");
               if (!url) {
                  output("Usage: " + cmd + " filename");
                  output(
                     "Example: " +
                        cmd +
                        " cat resume.txt"
                  );
                  break;
               }
               $.get(url, function(data) {
                  var encodedStr = data.replace(
                     /[\u00A0-\u9999<>\&]/gim,
                     function(i) {
                        return "&#" + i.charCodeAt(0) + ";";
                     }
                  );
                  output("<pre>" + encodedStr + "</pre>");
               });
               break;
            case "clear":
               output_.innerHTML = "";
               this.value = "";
               return;
            case "date":
               output(new Date());
               break;
            case "echo":
               output(args.join(" "));
               break;
            case "help":
               output('<div class="ls-files">' + CMDS_.join("<br>") + "</div>");
               break;
            case "uname":
               output(navigator.appVersion);
               break;
            case "sudo":
               output('<img src="https://i.imgur.com/ZpHQiGz.png"')
               output("i'm sorry dave i can't allow you to do that.");
               break;
            case "email_me":
               window.open(
                  "mailto:resume@gmail.com?subject=Resume&body= Great Resume"
               );
               break;
            case "whoami":
               var result = '<img src="' + codehelper_ip["Flag"] + '"><br><br>';
               for (var prop in codehelper_ip)
                  result += prop + ": " + codehelper_ip[prop] + "<br>";
               output(result);
               break;
            case "ls":
               output("resume.txt welcome.txt user_flag.txt")
               break;
            case "cd":
               output("command disabled")
               break;
            case "pwd":
               output("/users/dedsec")
               break;
            case "wget":
                  output("Usage: " + cmd + " filename");
                  output("Example: " + cmd + " resume.txt");
               break;
            default:
               if (cmd) {
                  output(cmd + ": command not found");
               }
         }
      }

      //
      return {
         init: function() {
            output(
               '<img align="left" src="https://i.imgur.com/HElQzF0.png" width="100" height="100"'
            );
            output(
               "<br>" +
               "<br>" +
               "<h2>DEDSEC</h2><p>" +
                  '</p><p>Last logon: ' + new Date() +
                  '</p><p>Enter "help" for more information.</p>'
               
            );
         },
         output: output
      };
   };

$(function() {
   console.log("o.o");

   $(".prompt").html("[dedsec@lulz189] $ ");

   // Initialize a new terminal object
   var term = new Terminal("#input-line .cmdline", "#wrapper output");
   term.init();
});