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auth: learning express auth
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14
auth-expressjs/migrations/init.sql
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14
auth-expressjs/migrations/init.sql
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CREATE TABLE IF NOT EXISTS users (
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id INTEGER PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
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username VARCHAR ( 255 ),
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password VARCHAR (255)
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);
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CREATE TABLE IF NOT EXISTS federated_credentials (
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user_id INTEGER NOT NULL,
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provider TEXT NOT NULL,
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subject TEXT NOT NULL,
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PRIMARY KEY (provider, subject)
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);
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189
auth-expressjs/src/app.js
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189
auth-expressjs/src/app.js
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const path = require("node:path");
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const { Pool } = require("pg");
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const express = require("express");
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const session = require("express-session");
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const passport = require("passport");
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const LocalStrategy = require("passport-local");
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const GoogleStrategy = require("passport-google-oauth").OAuth2Strategy;
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const fs = require("node:fs");
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const bcryptjs = require("bcryptjs");
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const pool = new Pool({
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connectionString: process.env.CONNECTION_STRING,
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});
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const initSQL = path.join(__dirname, "../migrations/init.sql");
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fs.readFile(initSQL, "utf8", (err, data) => {
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if (err) {
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console.error(err);
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return;
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}
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pool.query(data);
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});
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console.log(process.env.DEEZNUTS);
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const app = express();
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app.set("views", path.join(__dirname, "views"));
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app.set("view engine", "ejs");
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//app.use(session({ secret: "cats", resave: false, saveUninitialized: false }));
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app.use(
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session({
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store: new (require("connect-pg-simple")(session))({
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pool: pool,
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tableName: "user_sessions",
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createTableIfMissing: true,
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}),
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resave: false,
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cookie: { maxAge: 30 * 24 * 60 * 60 * 1000 },
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saveUninitialized: false,
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secret: "deezNuts",
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}),
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);
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app.use(passport.session());
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app.use(express.urlencoded({ extended: false }));
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app.listen(3000, () => console.log("app running on port 3000"));
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passport.use(
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new LocalStrategy(async (username, password, done) => {
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try {
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const { rows } = await pool.query(
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"SELECT * FROM users WHERE username = $1",
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[username],
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);
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const user = rows[0];
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const match = await bcryptjs.compare(password, user.password);
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if (!user) {
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return done(null, false, { message: "Incorrect username/password." });
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}
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if (!match) {
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return done(null, false, { message: "incorrect username/password" });
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}
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return done(null, user);
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} catch (err) {
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return done(err);
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}
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}),
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);
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passport.use(
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new GoogleStrategy(
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{
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clientID: process.env["GOOGLE_CLIENT_ID"],
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clientSecret: process.env["GOOGLE_CLIENT_SECRET"],
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callbackURL: "/oauth2/redirect/google",
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scope: ["profile"],
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},
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async function verify(accessToken, refreshToken, profile, cb) {
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try {
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await pool.query("BEGIN");
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const { rows: federatedRows } = await pool.query(
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"SELECT * FROM federated_credentials WHERE provider = $1 AND subject = $2",
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["https://accounts.google.com", profile.id],
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);
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let id = federatedRows.length > 0 ? federatedRows[0].user_id : null;
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if (federatedRows.length === 0) {
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const { rows: newUserRows } = await pool.query(
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"INSERT INTO users (username) VALUES ($1) RETURNING *",
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[profile.displayName],
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);
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id = newUserRows[0].id;
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await pool.query(
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"INSERT INTO federated_credentials (user_id, provider, subject) VALUES ($1, $2, $3)",
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[id, "https://accounts.google.com", profile.id],
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);
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const user = {
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id: id,
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name: profile.displayName,
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};
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pool.query("COMMIT");
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cb(null, user);
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} else {
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const { rows: userRows } = await pool.query(
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"SELECT * FROM users WHERE id = $1",
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[id],
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);
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cb(null, userRows[0]);
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}
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} catch (e) {
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await pool.query("ROLLBACK");
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cb(e);
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}
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},
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),
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);
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passport.serializeUser((user, done) => {
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done(null, user.id);
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});
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passport.deserializeUser(async (id, done) => {
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try {
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const { rows } = await pool.query("SELECT * FROM users WHERE id= $1", [id]);
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const user = rows[0];
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done(null, user);
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} catch (e) {
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done(e);
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}
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});
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app.use((req, res, next) => {
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console.log(req.user);
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console.table(req.session.passport);
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next();
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});
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app.get("/", (req, res) => {
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if (req.session.viewCount) {
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req.session.viewCount++;
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} else {
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req.session.viewCount = 1;
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req.session.deezNuts = "big AF dog";
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}
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res.render("index", { user: req.user, sessions: req.session.viewCount });
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});
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app.get("/sign-up", (req, res) => res.render("sign-up-form"));
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app.post("/sign-up", async (req, res, next) => {
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try {
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const hashedPassword = await bcryptjs.hash(req.body.password, 10);
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await pool.query("INSERT INTO users (username, password) VALUES ($1, $2)", [
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req.body.username,
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hashedPassword,
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]);
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res.redirect("/");
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} catch (err) {
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next(err);
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}
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});
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app.post(
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"/log-in",
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passport.authenticate("local", {
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successRedirect: "/",
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failureRedirect: "/",
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}),
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);
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app.get("/log-out", (req, res, next) => {
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req.logout((err) => {
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if (err) {
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return next(err);
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}
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res.redirect("/");
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});
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});
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app.get("/login/federated/google", passport.authenticate("google"));
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app.get(
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"/oauth2/redirect/google",
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passport.authenticate("google", {
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successRedirect: "/",
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failureRedirect: "/login",
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}),
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);
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104
auth-expressjs/src/app.js.bak
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104
auth-expressjs/src/app.js.bak
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const path = require("node:path");
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const { Pool } = require("pg");
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const express = require("express");
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const session = require("express-session");
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const passport = require("passport");
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const LocalStrategy = require("passport-local");
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const fs = require("node:fs");
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const bcryptjs = require("bcryptjs");
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const pool = new Pool({
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connectionString: "postgres://deez:postgres@smig-ca01:31450/deez",
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});
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const initSQL = path.join(__dirname, "../migrations/init.sql");
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fs.readFile(initSQL, "utf8", (err, data) => {
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if (err) {
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console.error(err);
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return;
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}
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pool.query(data);
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});
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const app = express();
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app.set("views", path.join(__dirname, "views"));
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app.set("view engine", "ejs");
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app.use(session({ secret: "cats", resave: false, saveUninitialized: false }));
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app.use(passport.session());
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app.use(express.urlencoded({ extended: false }));
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app.get("/", (req, res) => res.render("index", { user: req.user }));
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app.get("/sign-up", (req, res) => res.render("sign-up-form"));
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app.post("/sign-up", async (req, res, next) => {
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try {
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const hashedPassword = await bcryptjs.hash(req.body.password, 10);
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await pool.query("INSERT INTO users (username, password) VALUES ($1, $2)", [
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req.body.username,
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hashedPassword,
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]);
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res.redirect("/");
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} catch (err) {
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next(err);
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}
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});
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app.listen(3000, () => console.log("app running on port 3000"));
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passport.use(
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new LocalStrategy(async (username, password, done) => {
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try {
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const { rows } = await pool.query(
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"SELECT * FROM users WHERE username = $1",
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[username],
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);
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const user = rows[0];
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const match = await bcryptjs.compare(password, user.password);
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if (!user) {
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return done(null, false, { message: "Incorrect username/password." });
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}
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if (!match) {
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return done(null, false, { message: "incorrect username/password" });
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}
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return done(null, user);
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} catch (err) {
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return done(err);
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}
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}),
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);
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passport.serializeUser((user, done) => {
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done(null, user.id);
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});
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passport.deserializeUser(async (id, done) => {
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try {
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const { rows } = await pool.query("SELECT * FROM users WHERE id= $1", [id]);
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const user = rows[0];
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done(null, user);
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} catch (e) {
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done(e);
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}
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});
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app.post(
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"/log-in",
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passport.authenticate("local", {
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successRedirect: "/",
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failureRedirect: "/",
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}),
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);
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app.get("/log-out", (req, res, next) => {
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req.logout((err) => {
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if (err) {
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return next(err);
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}
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res.redirect("/");
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});
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});
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29
auth-expressjs/src/views/index.ejs
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29
auth-expressjs/src/views/index.ejs
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title></title>
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</head>
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<body>
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<% if (locals.user) {%>
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MY PERSON <%= user.username %>
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<a href="/log-out">LOG OUT</a>
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<p> Views: <%= sessions %></p>
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<% } else { %>
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<p> you should log in man </P
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<h1>please log in</h1>
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<form action="/log-in" method="POST">
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<label for="username">Username</label>
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<input id="username" name="username" placeholder="username" type="text" />
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<label for="password">Password</label>
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<input id="password" name="password" type="password" />
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<button>Log In</button>
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</form>
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<% } %>
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<a type="button" href="/login/federated/google">Sign in with Google</a>
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</body>
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</html>
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9
auth-expressjs/src/views/log-in.ejs
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9
auth-expressjs/src/views/log-in.ejs
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<h1>please log in</h1>
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<form action="/log-in" method="POST">
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<label for="username">Username</label>
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<input id="username" name="username" placeholder="username" type="text" />
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<label for="password">Password</label>
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<input id="password" name="password" type="password" />
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<button>Log In</button>
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</form>
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18
auth-expressjs/src/views/sign-up-form.ejs
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18
auth-expressjs/src/views/sign-up-form.ejs
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title></title>
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</head>
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<body>
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<h1>Sign Up</h1>
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<form action="" method="POST">
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<label for="username">Username</label>
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<input id="username" name="username" placeholder="username" type="text" />
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<label for="password">Password</label>
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<input id="password" name="password" type="password" />
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<button>Sign Up</button>
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</form>
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</body>
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</html>
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