refactor: squash commits

backend/services/auth.js

@@ -0,0 +1,33 @@
+const db = require("../utils/db");
+const verifyHash = require("pbkdf2-wrapper/verifyHash");
+
+exports.authorize = authorize;
+async function authorize(username, password, callback) {
+  try {
+    var users = await db.get("users");
+  } catch (err) {
+    throw err;
+  }
+  const user = users.find({ username: username });
+  if (!user.value()) return callback(new Error("Cannot find user"));
+  const verified = await verifyHash(password, user.value()["password_hash"]);
+  if (verified) {
+    return callback(null, user.value());
+  } else {
+    return callback(new Error("Invalid password"));
+  }
+}
+
+exports.isAuthorized = isAuthorized;
+async function isAuthorized(req, res, next) {
+  if (req.token) {
+    const user = await db.get("users").find({ token: req.token }).value();
+    if (user) {
+      next();
+    } else {
+      res.status(403).send({ error: "Invalid token" });
+    }
+  } else {
+    res.status(401).send({ error: "Specify token" });
+  }
+}