メールを送信する #24

Author: sinproject-iwasaki

.env.example

@@ -4,4 +4,7 @@
 # Prisma supports the native connection string format for PostgreSQL, MySQL, SQLite, SQL Server, MongoDB and CockroachDB.
 # See the documentation for all the connection string options: https://pris.ly/d/connection-strings
 
-DATABASE_URL="mysql://johndoe:randompassword@localhost:3306/mydb"
+DATABASE_URL="mysql://johndoe:randompassword@localhost:3306/mydb"
+
+GMAIL_USER="iam.o.sin@gmail.com"
+GMAIL_PASS="google_app_password"

package-lock.json

@@ -17,6 +17,7 @@
 		"@sveltejs/adapter-auto": "next",
 		"@sveltejs/kit": "next",
 		"@types/bcrypt": "^5.0.0",
+		"@types/nodemailer": "^6.4.6",
 		"@typescript-eslint/eslint-plugin": "^5.27.0",
 		"@typescript-eslint/parser": "^5.27.0",
 		"eslint": "^8.16.0",
@@ -34,6 +35,7 @@
 	"type": "module",
 	"dependencies": {
 		"@prisma/client": "^4.5.0",
-		"bcrypt": "^5.1.0"
+		"bcrypt": "^5.1.0",
+		"nodemailer": "^6.8.0"
 	}
 }

package.json

@@ -0,0 +1,23 @@
+import * as nodemailer from 'nodemailer';
+
+export class NodemailerManager {
+	private readonly _transporter: nodemailer.Transporter
+
+	constructor() {
+		this._transporter = nodemailer.createTransport({
+			service: 'gmail',
+			port: 465,
+			secure: true,
+			auth: {
+				user: process.env.GMAIL_USER,
+				pass: process.env.GMAIL_PASS,
+			},
+		})
+	}
+
+	async sendMail(to: string, subject: string, text: string) {
+		const from = process.env.GMAIL_USER
+
+		return await this._transporter.sendMail({ from, to, subject, text })
+	}
+}

src/lib/nodemailer_manager.ts

@@ -1,16 +1,31 @@
 import { CookiesManager } from '$lib/cookies_manager'
 import { db } from '$lib/database'
+import { NodemailerManager } from '$lib/nodemailer_manager'
 import type { Actions, PageServerLoad } from '.svelte-kit/types/src/routes/register/$types'
 import { invalid, redirect } from '@sveltejs/kit'
 import bcrypt from 'bcrypt'
 
 export const load: PageServerLoad = async ({ locals, url }) => {
 	if (locals.user) {
-		const redirect_url = url.searchParams.get('redirect') || '/'
+		const redirect_url = url.searchParams.get('redirect') || ' /'
 		throw redirect(302, redirect_url)
 	}
 }
 
+async function sendMail(username: string) {
+	const nodemailerManager = new NodemailerManager()
+
+	try {
+		await nodemailerManager.sendMail(
+			'info@sinproject.net',
+			'SvelteKit Authentication',
+			`${username} logged in `
+		)
+	} catch (error) {
+		console.error(error)
+	}
+}
+
 export const actions: Actions = {
 	default: async ({ cookies, request }) => {
 		const data = await request.formData()
@@ -27,13 +42,15 @@ export const actions: Actions = {
 
 		if (!password_valid) return invalid(400, { credentials: true })
 
+		sendMail(username)
+
 		const auth_token = await db.authToken.upsert({
 			where: { user_id: user.id },
 			update: { token: crypto.randomUUID() },
 			create: { user_id: user.id, token: crypto.randomUUID() },
 		})
 
-		new CookiesManager(cookies).setSessionId(auth_token.token);
+		new CookiesManager(cookies).setSessionId(auth_token.token)
 
 		return { success: true }
 	},