Basic login

src/db/repos/users.ts

@@ -0,0 +1,50 @@
+// Copyright (C) 2019 ModZero <modzero@modzero.xyz>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import argon2 from "argon2";
+import { Maybe, None, Some } from "monet";
+import { IDatabase, IMain } from "pg-promise";
+import { users as sql } from "../sql";
+
+export class UserRepository {
+  private db: IDatabase<any>;
+
+  constructor(db: IDatabase<any>, pgp: IMain) {
+    this.db = db;
+  }
+
+  public async login(email: string, password: string): Promise<Maybe<number>> {
+    const { id, encryptedPassword } = await this.db
+      .oneOrNone(sql.login, [email])
+      .then(user => ({
+        encryptedPassword: user.encrypted_password,
+        id: +user.id
+      }));
+    if (id === null) {
+      return None();
+    }
+
+    return (await argon2.verify(encryptedPassword, password))
+      ? Some(id)
+      : None();
+  }
+
+  public async create(email: string, password: string): Promise<number> {
+    const encryptedPassword = await argon2.hash(password);
+    return this.db
+      .one(sql.create, [email, encryptedPassword])
+      .then((user: { id: number }) => +user.id);
+  }
+}