Downloads

app.js

@@ -1,45 +1,47 @@
-const createError = require('http-errors')
-const express = require('express')
-const path = require('path')
-const cookieParser = require('cookie-parser')
-const logger = require('morgan')
-const fileUpload = require('express-fileupload')
+const createError = require("http-errors");
+const express = require("express");
+const path = require("path");
+const cookieParser = require("cookie-parser");
+const logger = require("morgan");
+const fileUpload = require("express-fileupload");
 
-const indexRouter = require('./routes/index')
-const clientsRouter = require('./routes/clients')
-const torrentsRouter = require('./routes/torrents')
+const indexRouter = require("./routes/index");
+const filesRouter = require("./routes/files");
+const clientsRouter = require("./routes/clients");
+const torrentsRouter = require("./routes/torrents");
 
-const app = express()
+const app = express();
 
 // view engine setup
-app.set('views', path.join(__dirname, 'views'))
-app.set('view engine', 'pug')
+app.set("views", path.join(__dirname, "views"));
+app.set("view engine", "pug");
 
-app.use(logger('dev'))
-app.use(express.json())
-app.use(express.urlencoded({ extended: false }))
-app.use(cookieParser())
-app.use(fileUpload())
-app.use(express.static(path.join(__dirname, 'public')))
+app.use(logger("dev"));
+app.use(express.json());
+app.use(express.urlencoded({ extended: false }));
+app.use(cookieParser());
+app.use(fileUpload());
+app.use(express.static(path.join(__dirname, "public")));
 
-app.use('/', indexRouter)
-app.use('/api/v1/clients', clientsRouter)
-app.use('/api/v1/torrents', torrentsRouter)
+app.use("/", indexRouter);
+app.use("/api/v1/files", filesRouter);
+app.use("/api/v1/clients", clientsRouter);
+app.use("/api/v1/torrents", torrentsRouter);
 
 // catch 404 and forward to error handler
 app.use((req, res, next) => {
- next(createError(404))
-})
+ next(createError(404));
+});
 
 // error handler
 app.use((err, req, res /*, next */) => {
  // set locals, only providing error in development
- res.locals.message = err.message
- res.locals.error = req.app.get('env') === 'development' ? err : {}
+ res.locals.message = err.message;
+ res.locals.error = req.app.get("env") === "development" ? err : {};
 
  // render the error page
- res.status(err.status || 500)
- res.render('error')
-})
+ res.status(err.status || 500);
+ res.render("error");
+});
 
-module.exports = app
+module.exports = app;

public/javascripts/application.js

@@ -258,5 +258,23 @@
  });
  });
  });
+
+ $(document).on("click", "[data-download]", function(e) {
+ e.preventDefault();
+ const name = $(this).attr("data-download");
+
+ $.get(`/api/v1/files/${name}`).then(resp => {
+ const url = window.URL.createObjectURL(new Blob([resp]));
+ const link = document.createElement("a");
+
+ link.href = url;
+ link.setAttribute("download", name);
+
+ document.body.appendChild(link);
+
+ link.click();
+ link.parentNode.removeChild(link);
+ });
+ });
  });
 })(jQuery);

routes/files.js

@@ -0,0 +1,25 @@
+const path = require("path");
+const fs = require("fs");
+const express = require("express");
+const router = express.Router();
+
+const fileDir =
+ process.env.NODE_ENV === "production"
+ ? process.env.APP_DIR
+ : process.env.TMP_DIR;
+
+router.get("/:name", (req, res, next) => {
+ if (!req.params || !req.params.name) {
+ return next(new Error("No file name provided"));
+ }
+
+ const filePath = path.join(fileDir, req.params.name);
+
+ if (!fs.existsSync(filePath)) {
+ return next(new Error(`File "${filePath}" does not exist`));
+ }
+
+ res.download(filePath);
+});
+
+module.exports = router;

views/index.pug

@@ -38,7 +38,7 @@ block content
  value=torrent.id)
  .td.col-100= torrent.hash
  .td.col-100
- a(href="#") Download
+ a(href="#" data-download=torrent.name) Download
  .td.col-50
  .table.table__clients
  .thead