FILEUP

F diff --git a/INIT_DATABASE.sql b/INIT_DATABASE.sql
--- a/INIT_DATABASE.sql
+++ b/INIT_DATABASE.sql
  drop table if exists super_trash;
  drop table if exists shared_nodes;
  drop table if exists nodes;
- drop table if exists email_verification_codes;
  
  
  
  drop trigger if exists supper_del_node;
  
  
- drop view if exists usernames;
  
  
  
  	node_id int not null
  );
  
- create table email_verification_codes (
- 			verification_id int not null auto_increment,
- 			verification_code varchar(100) not null,
- 			username varchar(50) not null unique,
- 			password varchar(255) not null,
- 			email varchar(50),
- 			primary key (verification_id)
- 		);
  
  create trigger delete_on_zero_links
  	after delete
  		delete from node_links
  		where directory_id=old.node_id;
  
- create view usernames
- 	as
- 		select username from users
- 		union
- 		select username from email_verification_codes;
+ 
F diff --git a/css/style.css b/css/style.css
--- a/css/style.css
+++ b/css/style.css
      background: white;
  }
  
- .window h3 > .separator {
+ .window h3 .separator {
      flex: 0 0 1px;
      align-self: stretch;
      background: #bbb;
F diff --git a/loggedin.js b/loggedin.js
--- a/loggedin.js
+++ b/loggedin.js
          this.h2 = null;      // The titlebar of the window
          this.fileview = null;
          this.files = [];
+         this.txt_editor = null; // For editable text files, this is the DOM element the user can edit
      }
  }
  
  var override_file_filename = "";
  var override_file_path = "";
  
- var open_file_mimetype = null;
+ var open_file = null;
  
  // Some elements have custom right click context menus
  // If there's a custom context menu active, this will be it
      focus.filecontentsroot.style.display = 'flex';
      focus.foldercontents.style.display   = 'none';
  
-     if (open_file_mimetype.split("/")[0] == "image") {
+     let is_image = open_file.mimetype.split("/")[0] == "image";
+     focus.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.classList.remove('imgview');
          focus.filecontents.style.backgroundImage = "unset";
  
-         var pre = mk(focus.filecontents, 'pre');
+         focus.txt_editor = mk(focus.filecontents, 'pre');
  
          xhr.onload = function () {
-             pre.innerText = xhr.responseText;
-             pre.contentEditable = "true";
+             focus.txt_editor.innerText = xhr.responseText;
+             focus.txt_editor.contentEditable = "true";
          };
      }
  
          share_btn.onclick = () => { share(true); }
          mk(h3, 'div', 'separator');
  
-         let replace_btn = mk(h3, 'button');
-         replace_btn.innerText = "Save Changes";
-         replace_btn.onclick = () => { alert("No implemento"); }
-         mk(h3, 'div', 'separator');
+         wnd.save_btn_container = mk(h3, 'div');
+         wnd.save_btn_container.style.display = 'flex';
+ 
+         let save_btn = mk(wnd.save_btn_container, 'button');
+         save_btn.innerText = "Save";
+         save_btn.onclick = save_open_text_file;
+         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;
+     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('content',          contents);
+     data.append('overwrite',        '1');
+ 
+     xhr.send(data);
+ }
+ 
+ 
  // Create the visuals for a FileView
  function add_file_visuals(fileview) {
      // Are we in a subdirectory of the trash folder?
  
      fileview.visuals.onclick = () => {
          focus.pwd.push(fileview.filename);
-         if (!fileview.is_directory)
-             open_file_mimetype = fileview.mimetype;
+         if (!fileview.is_directory) {
+             open_file = fileview;
+         }
          openfile(fileview.is_directory);
      }
  
                      new_pwd.push(fileview.filename);
                      var new_wnd = make_window(new_pwd, true);
                      focus_window(new_wnd);
-                     open_file_mimetype = fileview.mimetype;
+                     open_file = fileview;
                      openfile(fileview.is_directory);
                  }], 
              ];
F diff --git a/php/upload.php b/php/upload.php
--- a/php/upload.php
+++ b/php/upload.php
  require_once "node.php";
  session_start();
  
- if (!isset( $_POST["filename"]) || (!isset($_FILES["the_file"]) && (!isset($_POST['content'] || gettype($_POST['content'])!="string"))|| !isset($_POST['parent_directory']) || !isset($_POST['overwrite']))
+ if (!isset( $_POST["filename"]) || !isset($_FILES["the_file"]) || !isset($_POST['parent_directory']) || !isset($_POST['overwrite']))
  {
  	error_log("someone tried to upload something impropperly");
  	http_response_code(400);
  	http_response_code(409);
  	exit(0);
  }
- if(isset($_POST['content']))
- {
- 	file_put_contents("$storage_root/$codename",$_POST['content']);
- }else
- {
- 	unlink("$storage_root/$codename");
- 	move_uploaded_file($file['tmp_name'], "$storage_root/$codename");
- }
+ unlink("$storage_root/$codename");
+ move_uploaded_file($file['tmp_name'], "$storage_root/$codename");
  
  http_response_code(200);
  exit(0);