feat: use SMTP instead of 3rd party service

Author: HunteRoi

#.env

@@ -5,4 +5,5 @@ POSTGRES_PASSWORD=
 DATABASE_PORT=5432
 DATABASE_HOST=localhost
 NODE_ENV=development
-SENDGRID_API_KEY=
+SMTP_USER=
+SMTP_PASS=

config.development.json

@@ -146,9 +146,8 @@
     "ok_hand": "👌",
     "warning": "⚠️",
     "communicationServiceOptions": {
-        "mailData": {
-            "from": "mdpdevti@henallux.be",
-            "templateId": "d-c8892944b4f2417bafece2d7a5b73d1f"
-        }
+        "from": "noreply-discord@henallux.be",
+        "port": 587,
+        "host": "smtp.office365.com"
     }
 }

config.production.json

@@ -154,9 +154,8 @@
     "ok_hand": "👌",
     "warning": "⚠️",
     "communicationServiceOptions": {
-        "mailData": {
-            "from": "mdpdevti@henallux.be",
-            "templateId": "d-ae8dfdd7cc9c49f1af6e016ecbb4d856"
-        }
+        "from": "noreply-discord@henallux.be",
+        "port": 587,
+        "host": "smtp.office365.com"
     }
 }

package.json

@@ -25,13 +25,14 @@
 		"@hunteroi/discord-selfrole": "^4.0.4",
 		"@hunteroi/discord-temp-channels": "^3.3.0",
 		"@hunteroi/discord-verification": "^1.5.0",
-		"@sendgrid/mail": "8.1.3",
 		"discord.js": "^14.16.2",
 		"dotenv": "^16.4.5",
 		"ts-postgres": "1.3.0"
+		"nodemailer": "^6.9.1",
 	},
 	"devDependencies": {
 		"@types/node": "^20.12.7",
+        "@types/nodemailer": "^6.4.7",
 		"@typescript-eslint/eslint-plugin": "^7.6.0",
 		"@typescript-eslint/parser": "^7.6.0",
 		"eslint": "^9.0.0",

src/config.ts

@@ -31,8 +31,10 @@ const defaultConfig: Configuration = {
     ok_hand: '',
     warning: '',
     communicationServiceOptions: {
-        apiKey: '',
-        mailData: { from: '', templateId: '' }
+        auth: { user: '', pass: '' },
+        from: '',
+        port: 587,
+        host: ''
     }
 };
 
@@ -48,7 +50,8 @@ export async function readConfig(): Promise<Configuration> {
         }
 
         const config = { ...json, version: `${environment}-v${packageInfo.version}` };
-        config.communicationServiceOptions.apiKey = process.env.SENDGRID_API_KEY;
+        config.communicationServiceOptions.auth.user = process.env.SMTP_USER;
+        config.communicationServiceOptions.auth.pass = process.env.SMTP_PASS;
 
         return config;
     }

src/datadrop.ts

@@ -5,14 +5,13 @@ import { LogEventLevel, DefaultLogger, ConsoleLogger } from '@hunteroi/advanced-
 import { InteractionsSelfRoleManager, RoleToEmojiData, SelfRoleManagerEvents } from '@hunteroi/discord-selfrole';
 import { ChildChannelData, ParentChannelData, TempChannelsManager, TempChannelsManagerEvents } from '@hunteroi/discord-temp-channels';
 import { VerificationManager, VerificationManagerEvents } from '@hunteroi/discord-verification';
-import { SendGridService } from '@hunteroi/discord-verification/lib/services/SendGridService.js';
+import { SendGridService } from '@hunteroi/discord-verification/lib/services/SendGridService';
+import * as path from 'path';
 
-import PostgresDatabaseService from './services/PostgresDatabaseService.js';
+import { PostgresDatabaseService, SMTPService } from './services/index.js';
 import { getErrorMessage, readFilesFrom } from './helpers.js';
-import { Configuration } from './models/Configuration.js';
+import { Configuration, User, IDatabaseService } from './models/index.js';
 import { readConfig } from './config.js';
-import { User } from './models/User.js';
-import { IDatabaseService } from './models/IDatabaseService.js';
 
 export class DatadropClient extends Client {
     #config: Configuration;
@@ -44,7 +43,7 @@ export class DatadropClient extends Client {
         this.tempChannelsManager = new TempChannelsManager(this);
 
         this.database = new PostgresDatabaseService(this.logger);
-        const communicationService = new SendGridService(config.communicationServiceOptions);
+        const communicationService = new SMTPService(config.communicationServiceOptions);
         this.verificationManager = new VerificationManager(this, this.database, communicationService, {
             codeGenerationOptions: { length: 6 },
             maxNbCodeCalledBeforeResend: 3,

src/models/Configuration.ts

@@ -2,6 +2,8 @@ import { Snowflake } from 'discord.js';
 
 import { SendGridOptions } from '@hunteroi/discord-verification/lib/services/SendGridService.js';
 
+import { SMTPServiceOptions } from '../services/SMTPService.js';
+
 export interface SpecialRoleConfiguration {
     roleid: Snowflake;
     emote: string;
@@ -62,5 +64,5 @@ export interface Configuration {
     ok_hand: string;
     warning: string;
 
-    communicationServiceOptions: SendGridOptions;
+    communicationServiceOptions: SMTPServiceOptions;
 }

src/models/index.ts

@@ -0,0 +1,3 @@
+export * from './Configuration';
+export * from './IDatabaseService';
+export * from './User';

src/services/SMTPService.ts

@@ -0,0 +1,25 @@
+import { createTransport } from 'nodemailer';
+import SMTPTransport from 'nodemailer/lib/smtp-transport';
+import { ISenderAPI, SenderAPIData } from '@hunteroi/discord-verification';
+
+export type SMTPServiceOptions = SMTPTransport.Options;
+
+export default class SMTPService implements ISenderAPI {
+    #options: SMTPServiceOptions;
+
+    constructor(options: SMTPServiceOptions) {
+        this.#options = options;
+    }
+
+    async send({ name, code, ...data }: SenderAPIData): Promise<void> {
+        const transporter = createTransport(this.#options);
+        await transporter.verify();
+        await transporter.sendMail({
+            from: this.#options.from,
+            to: data.to,
+            subject: 'Discord Authentication Code',
+            text: `Hello ${name}! Your code is ${code}. See you soon o/`,
+            html: `<p>Hello ${name}!</p><p>Your code is ${code}.</p><p>See you soon o/</p>`
+        });
+    }
+}

src/services/index.ts

@@ -0,0 +1,4 @@
+import PostgresDatabaseService from './PostgresDatabaseService';
+import SMTPService from './SMTPService';
+
+export { PostgresDatabaseService, SMTPService };