added /api/info/:id route

server/routes/index.js

@@ -95,6 +95,7 @@ module.exports = function(app) {
   app.post('/api/delete/:id', require('./delete'));
   app.post('/api/password/:id', require('./password'));
   app.post('/api/params/:id', require('./params'));
+  app.post('/api/info/:id', require('./info'));
 
   app.get('/__version__', function(req, res) {
     res.sendFile(require.resolve('../../dist/version.json'));

server/routes/info.js

@@ -0,0 +1,31 @@
+const storage = require('../storage');
+
+function validateID(route_id) {
+  return route_id.match(/^[0-9a-fA-F]{10}$/) !== null;
+}
+
+module.exports = async function(req, res) {
+  const id = req.params.id;
+  if (!validateID(id)) {
+    return res.sendStatus(404);
+  }
+  const ownerToken = req.body.owner_token;
+  if (!ownerToken) {
+    return res.sendStatus(400);
+  }
+
+  try {
+    const meta = await storage.metadata(id);
+    if (meta.owner !== ownerToken) {
+      return res.sendStatus(400);
+    }
+    const ttl = await storage.ttl(id);
+    return res.send({
+      dlimit: meta.dlimit,
+      dtotal: meta.dl,
+      ttl
+    });
+  } catch (e) {
+    res.sendStatus(404);
+  }
+};

server/routes/metadata.js

@@ -29,8 +29,7 @@ module.exports = async function(req, res) {
     const ttl = await storage.ttl(id);
     res.send({
       metadata: meta.metadata,
-      dtotal: +meta.dl,
-      dlimit: +meta.dlimit,
+      finalDownload: +meta.dl + 1 === +meta.dlimit,
       size,
       ttl
     });