FILEUP

F diff --git a/loggedin.js b/loggedin.js
--- a/loggedin.js
+++ b/loggedin.js
  
      // Focus that window and load the directory
      focus_window(root_window);
-     openfile(true);    
+     openfile(true, root_window);    
  }
  
  function focus_window(wnd) {
  }
  
  // Delete the focused window
- function delete_window() {
-     var index = windows.indexOf(focus);
+ function delete_window(wnd) {
+     var index = windows.indexOf(wnd);
+ 
      if (index >= 0)
          windows.splice(index, 1);
      
-     focus.visuals.parentNode.removeChild(focus.visuals);
-     fous = null;
+     wnd.visuals.parentNode.removeChild(wnd.visuals);
+     if (wnd == focus)
+         focus = null;
  }
  
  // Create a right click context menu
          } else {
              filename_input.value          = the_file.files[0].name;
              override_input.value          = "0";
-             upload_parent_directory.value = get_path();
+             upload_parent_directory.value = get_path(focus);
          }
  
          if (!FORM_ASYNC) {
          }).then((resp) => {
              if (resp.status == 200) {
                  // Reload the directory so the user can see the newly uploaded file
-                 openfile(true);
+                 openfile(true, focus);
              } else {
                  alert("Upload failed");
              }
  
  
  // This updates the path of the window's DOM (the "Root > Folder1 > Folder2 > foo.png")
- function update_path_visuals() {
-     var the_path = focus.visuals.getElementsByClassName('path')[0];
+ function update_path_visuals(wnd) {
+     if (!wnd) {
+         alert("YOU ARE NOT SUPPOSED TO SEE THIS. PLEASE COPY THE STACKTRACE FROM THE CONSOLE AND SEND IT TO THE NEAREST DEVELOPER");
+         wnd = focus;
+     }
+ 
+     var the_path = wnd.visuals.getElementsByClassName('path')[0];
  
      // Remove the old path
      while (the_path.children.length > 0)
          the_path.removeChild(the_path.lastChild);
  
-     for (let i = -1; i < focus.pwd.length; i++) {
+     for (let i = -1; i < wnd.pwd.length; i++) {
          var d;
          // For each element after the first create a separator
          if (i >= 0) {
-             d = focus.pwd[i];
+             d = wnd.pwd[i];
              var separator_div = mk(the_path, 'div', 'separator');
              separator_div.innerText = "»";
          }
  
          // When we click the entry, go to its folder
          entry.onclick = (_e) => {
-             if (length < focus.pwd.length) {
-                 focus.pwd.length = i + 1;
-                 openfile(true);
+             if (length < wnd.pwd.length) {
+                 wnd.pwd.length = i + 1;
+                 openfile(true, wnd);
              }
          }
      
          // We can drop files onto the path, which will omve them to teh folder
          entry.onmouseup = (e) => {
              if (dragging && dragging_fileview) {
-                 var new_folder = get_path(i + 1);
-                 move_file(new_folder, dragging_fileview.filename);
+                 var new_folder = get_path(wnd, i + 1);
+                 move_file(new_folder, dragging_fileview.filename, wnd);
                  end_drag();
      
                  e.preventDefault();
  // This opens a file.
  // If the file has image/* mimetype, it will be displayed as an image
  // otherwise it will be displayed as plaintext
- function openfile_nondir() {
+ function openfile_nondir(wnd) {
  
-     while (focus.filecontents.children.length > 0)
-         focus.filecontents.removeChild(focus.filecontents.lastChild);
+     while (wnd.filecontents.children.length > 0)
+         wnd.filecontents.removeChild(wnd.filecontents.lastChild);
  
      // Send a request to readfile.php, which will give us the contents
      var data = new FormData();
-     data.append('folder', get_path(focus.pwd.length - 1));
-     data.append('filename', focus.pwd[focus.pwd.length - 1]);
+     data.append('folder', get_path(wnd, wnd.pwd.length - 1));
+     data.append('filename', wnd.pwd[wnd.pwd.length - 1]);
  
      var xhr = new XMLHttpRequest();
  
-     update_path_visuals();
+     update_path_visuals(wnd);
  
      xhr.open('POST', '/php/readfile.php', true);
  
-     focus.filecontents.innerText = "";
-     focus.filecontentsroot.style.display = 'flex';
-     focus.foldercontents.style.display   = 'none';
+     wnd.filecontents.innerText = "";
+     wnd.filecontentsroot.style.display = 'flex';
+     wnd.foldercontents.style.display   = 'none';
  
      let is_image = open_file.mimetype.split("/")[0] == "image";
-     focus.save_btn_container.style.display = (open_file.write_permissions && !is_image) ? "flex" : "none";
+     wnd.save_btn_container.style.display = (open_file.write_permissions && !is_image) ? "flex" : "none";
  
      if (is_image) {
          xhr.responseType = 'arraybuffer';
          xhr.onload = function () {
              let b = `data:image/png;base64,${base64ArrayBuffer(xhr.response)}`;
-             focus.filecontents.style.backgroundImage = `url('${b}')`;
-             focus.filecontents.classList.add('imgview');
+             wnd.filecontents.style.backgroundImage = `url('${b}')`;
+             wnd.filecontents.classList.add('imgview');
          }
      }
      else {
-         focus.filecontents.classList.remove('imgview');
-         focus.filecontents.style.backgroundImage = "unset";
+         wnd.filecontents.classList.remove('imgview');
+         wnd.filecontents.style.backgroundImage = "unset";
  
-         focus.txt_editor = mk(focus.filecontents, 'pre');
+         wnd.txt_editor = mk(wnd.filecontents, 'pre');
  
          xhr.onload = function () {
-             focus.txt_editor.innerText = xhr.responseText;
+             wnd.txt_editor.innerText = xhr.responseText;
              if (open_file.write_permissions)
-                 focus.txt_editor.contentEditable = "true";
+                 wnd.txt_editor.contentEditable = "true";
          };
      }
  
  }
  
  // This is a tiny wrapper around the share_window.
- function share(in_file, filename) {
+ function share(in_file, filename, wnd) {
      if (in_file) {
-         var folder = get_path(focus.pwd.length - 1);
-         filename = focus.pwd[focus.pwd.length - 1];
+         var folder = get_path(wnd, wnd.pwd.length - 1);
+         filename = wnd.pwd[wnd.pwd.length - 1];
      } else {
-         var folder = get_path();
+         var folder = get_path(wnd);
      }
  
      var wnd = make_share_window(folder, filename);
  }
  
  // Replace an existing file with a new one
- function replace_file(in_file, filename) {
+ function replace_file(in_file, filename, wnd) {
      if (in_file) {
-         var folder = get_path(focus.pwd.length - 1);
-         filename = focus.pwd[focus.pwd.length - 1];
+         var folder = get_path(wnd, wnd.pwd.length - 1);
+         filename = wnd.pwd[wnd.pwd.length - 1];
      } else {
-         var folder = get_path();
+         var folder = get_path(wnd);
      }
  
      override_file = true;
  }
  
  // This loads the contents of the current directory
- function opendir() {
-     update_path_visuals();
+ function openfile_dir(wnd) { 
+     update_path_visuals(wnd);
  
      var data = new FormData();
-     data.append('path', get_path());
+     data.append('path', get_path(wnd));
  
      var xhr = new XMLHttpRequest();
      xhr.open('POST', '/php/readdir.php', true);
      xhr.onload = function () {
-         for (const f of focus.files)
+         for (const f of wnd.files)
              f.visuals.remove();
-         focus.files = [];
+         wnd.files = [];
  
          var json = JSON.parse(xhr.responseText);
          if (!json)
                                      f.mimetype, 
                                      f.is_directory && f.is_directory != "0", 
                                      f.can_edit     && f.can_edit     != "0");
-             focus.files.push(view);
+             wnd.files.push(view);
          }
  
          // Sort the files nicely before adding their visuals
          // Folders come first, then files, then the special trash directory
          // Everything inside the categories is lexically sorted
-         focus.files.sort((a, b) => {
-             if (focus.pwd.length == 0 && a.filename == "share")
+         wnd.files.sort((a, b) => {
+             if (wnd.pwd.length == 0 && a.filename == "share")
                  return -10;
-             if (focus.pwd.length == 0 && b.filename == "share")
+             if (wnd.pwd.length == 0 && b.filename == "share")
                  return 10;
  
-             if (focus.pwd.length == 0 && a.filename == "trash")
+             if (wnd.pwd.length == 0 && a.filename == "trash")
                  return 10;
-             if (focus.pwd.length == 0 && b.filename == "trash")
+             if (wnd.pwd.length == 0 && b.filename == "trash")
                  return -10;
              if (a.is_directory && !b.is_directory)
                  return -1;
              return a.filename.localeCompare(b.filename);
          });
  
-         for (const f of focus.files) {
-             add_file_visuals(f);
+         for (const f of wnd.files) {
+             add_file_visuals(f, wnd);
          }
  
      };
      xhr.send(data);
  
-     focus.filecontentsroot.style.display = 'none';
-     focus.foldercontents.style.display   = 'flex';
+     wnd.filecontentsroot.style.display = 'none';
+     wnd.foldercontents.style.display   = 'flex';
  }
  
  
- function openfile(is_directory) {
+ function openfile(is_directory, wnd) {
+     if (!wnd) { 
+         alert(451);
+         console.trace();
+         wnd = focus;
+     }
+ 
      if (is_directory) {
-         opendir();
+         openfile_dir(wnd);
      } else {
-         openfile_nondir();
+         openfile_nondir(wnd);
      }
  }
  
- function move_to_trash(filename) {
-     move_file("/trash", filename, path_combine(get_path(), filename));
+ function move_to_trash(wnd, filename) {
+     move_file("/trash", filename, path_combine(get_path(wnd), filename), wnd);
  }
  
- function restore_from_trash(filename) {
+ function restore_from_trash(wnd, filename) {
      var split = filename.split("/");
      var new_filename = split.pop();
      var new_directory = "/" + split.join("/");
  
-     move_file(new_directory, filename, new_filename);
+     move_file(new_directory, filename, new_filename, wnd);
  }
  
  
  // This deletes the file, *for real*
  // move_to_trash is what is actually called when the user clicks 'Delete'
- function delete_file(filename) {
+ function delete_file(wnd, filename) {
      var data = new FormData();
-     data.append('folder', get_path());
+     data.append('folder', get_path(wnd));
      data.append('filename', filename);
  
      var xhr = new XMLHttpRequest();
      xhr.open('POST', '/php/delete.php', true);
      xhr.onload = function () {
-         openfile(true);
+         openfile(true, wnd);
      };
      xhr.send(data);
  }
  
- function rename_file(filename) {
+ function rename_file(filename, wnd) {
      var new_name = prompt(`Rename ${filename} to`, filename);
      if (!new_name)
          return;
  
      var data = new FormData();
-     data.append('folder', get_path());
+     data.append('folder', get_path(wnd));
      data.append('old_filename', filename);
      data.append('new_filename', new_name);
  
      var xhr = new XMLHttpRequest();
      xhr.open('POST', '/php/rename.php', true);
      xhr.onload = function () {
-         openfile(true);
+         openfile(true, wnd);
      };
      xhr.send(data);
  }
  
- function move_file(new_folder, filename, new_filename) {
+ function move_file(new_folder, filename, new_filename, wnd) {
      if (!new_filename)
          new_filename = filename;
  
      var data = new FormData();
-     data.append('old_folder',  get_path());
+     data.append('old_folder',  get_path(wnd));
      data.append('new_folder',  new_folder);
      data.append('filename',    filename);
      data.append('new_filename',new_filename);
  
      var xhr = new XMLHttpRequest();
      xhr.open('POST', '/php/move.php', true);
-     xhr.onload = function () {
-         openfile(true);
+     xhr.onload = () => {
+         openfile(true, wnd);
      };
      xhr.send(data);
  }
  
- function new_folder() { 
+ function new_folder(wnd) { 
      var dirname = prompt(`Directory name`, "New Folder");
      if (!dirname)
          return;
  
      var data = new FormData();
-     data.append('parent_directory', get_path());
+     data.append('parent_directory', get_path(wnd));
      data.append('dirname', dirname);
  
      var xhr = new XMLHttpRequest();
      xhr.open('POST', '/php/mkdir.php', true);
      xhr.onload = function () {
-         openfile(true);
+         openfile(true, wnd);
      };
      xhr.send(data);
  }
      // Close button
      var x_button = mk(wnd.h2, 'button', 'close_button');
      x_button.innerText = "X";
-     x_button.onclick = delete_window;
+     x_button.onclick = () => delete_window(wnd);
  
      wnd.foldercontents = mk(wnd.visuals, 'div', 'share_dialog_contents');
      wnd.foldercontents.style.padding = "0.5rem";
          }
  
          xhr.send(form_data);
-         delete_window();
+         delete_window(wnd);
      }
  
      return wnd;
  }
  
- function download_file(in_file, filename) {
+ function download_file(in_file, filename, wnd) {
+     if (!wnd) {
+         alert (802);
+         wnd = focus;
+     }
      if (in_file) {
-         var folder = get_path(focus.pwd.length - 1);
-         filename = focus.pwd[focus.pwd.length - 1];
+         var folder = get_path(wnd, wnd.pwd.length - 1);
+         filename = wnd.pwd[wnd.pwd.length - 1];
      } else {
-         var folder = get_path();
+         var folder = get_path(wnd);
      }
  
      // Read the file contents and then do DISGUSTING javascript things to download the ifle
      if (has_close) {
          var x_button = mk(wnd.h2, 'button', 'close_button');
          x_button.innerText = "X";
-         x_button.onclick = delete_window;
+         x_button.onclick = () => delete_window(wnd);
      }
  
      // wnd.foldercontents is where the FileViews will be stored
  
          var new_folder_btn = mk(h3, 'button');
          new_folder_btn.innerText = "New Folder";
-         new_folder_btn.onclick = () => { new_folder(); }
+         new_folder_btn.onclick = () => { new_folder(wnd); }
  
          mk(h3, 'div', 'separator');
  
  
          let share_btn = mk(h3, 'button');
          share_btn.innerText = "Share";
-         share_btn.onclick = () => { share(true); }
+         share_btn.onclick = () => { share(true, wnd); }
          mk(h3, 'div', 'separator');
  
          wnd.save_btn_container = mk(h3, 'div');
  
          let save_btn = mk(wnd.save_btn_container, 'button');
          save_btn.innerText = "Save";
-         save_btn.onclick = save_open_text_file;
+         save_btn.onclick = () => save_open_text_file(wnd);
          mk(wnd.save_btn_container, 'div', 'separator');
  
          wnd.filecontents = mk(wnd.filecontentsroot, 'div', 'filecontents');
  }
  
  
- function save_open_text_file() {
-     const contents = focus.txt_editor.innerText;
+ function save_open_text_file(wnd) {
+     const contents = wnd.txt_editor.innerText;
      let xhr = new XMLHttpRequest();
      xhr.open('POST', '/php/upload.php', true);
  
      var data = new FormData();
-     data.append('parent_directory', get_path (focus.pwd.length - 1));
-     data.append('filename',         focus.pwd[focus.pwd.length - 1]);
+     data.append('parent_directory', get_path (wnd.pwd.length - 1));
+     data.append('filename',         wnd.pwd[wnd.pwd.length - 1]);
      data.append('content',          contents);
      data.append('overwrite',        '1');
  
  
  
  // Create the visuals for a FileView
- function add_file_visuals(fileview) {
+ function add_file_visuals(fileview, wnd) {
      // Are we in a subdirectory of the trash folder?
-     var is_in_trash = focus.pwd.length > 0 && focus.pwd[0] == "trash";
+     var is_in_trash = wnd.pwd.length > 0 && wnd.pwd[0] == "trash";
  
      // Is the current filewview the trash folder itself?
-     var is_trash    = focus.pwd.length == 0 && fileview.filename == "trash";
-     var is_share    = focus.pwd.length == 0 && fileview.filename == "share";
+     var is_trash    = wnd.pwd.length == 0 && fileview.filename == "trash";
+     var is_share    = wnd.pwd.length == 0 && fileview.filename == "share";
  
-     var visuals = mk(focus.filegrid, 'div');
+     var visuals = mk(wnd.filegrid, 'div');
      fileview.visuals = visuals;
  
      var img = document.createElement('img');
      var filename = document.createElement('div');
  
      if (fileview.is_directory) {
-         if (get_path() == "/" && fileview.filename == "trash")
+         if (get_path(wnd) == "/" && fileview.filename == "trash")
              img.src="/mimeicons/user-trash.png";
-         else if (get_path() == "/" && fileview.filename == "share")
+         else if (get_path(wnd) == "/" && fileview.filename == "share")
              img.src = "/mimeicons/user-share.png";
          else
              img.src="/mimeicons/directory.png";
      }
  
      fileview.visuals.onclick = () => {
-         focus.pwd.push(fileview.filename);
+         wnd.pwd.push(fileview.filename);
          if (!fileview.is_directory) {
              open_file = fileview;
          }
-         openfile(fileview.is_directory);
+         openfile(fileview.is_directory, wnd);
      }
  
      visuals.oncontextmenu = (e) => {
              var context_list = [
                  // Open is always in the context list
                  ['Open', () => {
-                     focus.pwd.push(fileview.filename);
-                     openfile(fileview.is_directory);
+                     wnd.pwd.push(fileview.filename);
+                     openfile(fileview.is_directory, wnd);
                  }], 
                  ['Open in New Window', () => {
-                     var new_pwd = focus.pwd.slice();
+                     var new_pwd = wnd.pwd.slice();
                      new_pwd.push(fileview.filename);
                      var new_wnd = make_window(new_pwd, true);
                      focus_window(new_wnd);
                      open_file = fileview;
-                     openfile(fileview.is_directory);
+                     openfile(fileview.is_directory, wnd);
                  }], 
- 
- 
              ];
  
              if (is_in_trash) {
                  // If we're in the trash, we can restore files or delete them forever
-                 context_list.push(['Restore', () => {  restore_from_trash(fileview.filename); }]);
-                 context_list.push(['Delete forever', () => { delete_file(fileview.filename); }]);
+                 context_list.push(['Restore', () => {  restore_from_trash(wnd, fileview.filename); }]);
+                 context_list.push(['Delete forever', () => { delete_file(wnd, fileview.filename); }]);
              } else if (!is_trash && !is_share) {
                  // If we;'re not in trash we can rename/share/download/move files to trash
                  context_list.push(
-                     ['Rename', () => { rename_file(fileview.filename); }],
+                     ['Rename', () => { rename_file(fileview.filename, wnd); }],
                  );
                  if (!fileview.is_directory) {
                      for (let a of actions) {
                                              // Close button
                                              var x_button = mk(wnd.h2, 'button', 'close_button');
                                              x_button.innerText = "X";
-                                             x_button.onclick = delete_window;
+                                             x_button.onclick = () => delete_window(wnd);
  
                                              const contents = mk(wnd.visuals, 'div', 'filecontentsroot');
                                              const iframe = mk(contents, 'iframe');
                                          } else {
                                              window.location = url;
                                          }
-                                     }, get_path(), fileview.filename);
+                                     }, get_path(wnd), fileview.filename);
                                  }]
                              );
                          }
  
                      if (fileview.write_permissions) {
                          context_list.push(
-                             ['Replace',  () => { replace_file(false, fileview.filename); }],
+                             ['Replace',  () => { replace_file(false, fileview.filename, wnd); }],
                          );
                      }
                      context_list.push(
-                         ['Share',    () => { share(false, fileview.filename); }],
+                         ['Share',    () => { share(false, fileview.filename, wnd); }],
                          ['Download', () => { download_file(false, fileview.filename); }],
                      );
                  }
                  context_list.push(
-                     ['Delete', () => { move_to_trash(fileview.filename); }]
+                     ['Delete', () => {  move_to_trash(wnd, fileview.filename); }]
                  );
              }
  
      visuals.onmouseup = (e) => {
          if (dragging) {
              if (fileview.is_directory) {
-                 if (get_path() == "/" && fileview.filename == "trash") {
+                 if (get_path(wnd) == "/" && fileview.filename == "trash") {
                      // If we've dragged something onto the trashcan, it's trash
-                     move_to_trash(dragging_fileview.filename);
+                     move_to_trash(wnd, dragging_fileview.filename);
                  } 
-                 else if (get_path() == "/" && fileview.filename == "share") {
+                 else if (get_path(wnd) == "/" && fileview.filename == "share") {
                      // move to 'share' is invalid
                  } else {
                      // If we've dragged something onto a directory, move it into that directory
-                     move_file(path_combine(get_path(), fileview.filename), dragging_fileview.filename);
+                     move_file(path_combine(get_path(wnd), fileview.filename), dragging_fileview.filename, wnd);
                  } 
              } else {
                  // alert(`Dropped ${dst.filename} on ${src.filename}`);
  
      visuals.appendChild(img);
      visuals.appendChild(filename);
- 
  }
  
  
  // Reads the 'pwd' of the focused window
  // If pwd is ['foo', 'bar', 'baz'], this returns '/foo/bar/baz' 
- function get_path(max_length) {
+ function get_path(wnd, max_length) {
+     if (!wnd) {
+         alert("YOU ARE NOT SUPPOSED TO SEE THIS. PLEASE COPY THE STACKTRACE FROM THE CONSOLE AND SEND IT TO THE NEAREST DEVELOPER");
+         console.trace();
+         wnd = focus;
+     }
      if (max_length == undefined) {
-         max_length = focus.pwd.length;
+         max_length = wnd.pwd.length;
      }
  
      var path = "/";
      for (let i = 0; i < max_length; i++) {
-         path += focus.pwd[i];
+         path += wnd.pwd[i];
          if (i != max_length - 1)
              path += "/";
      }