Start working on nodemailer upgrade

package.json

@@ -30,7 +30,7 @@
     "lodash": "^4.13.1",
     "morgan": "^1.6.1",
     "mysql": "^2.9.0",
-    "nodemailer": "^1.4.0",
+    "nodemailer": "^4.1.1",
     "prom-client": "^10.0.2",
     "proxy-addr": "^1.1.4",
     "pug": "^2.0.0-beta3",

src/configuration/emailconfig.js

@@ -0,0 +1,29 @@
+class EmailConfig {
+    constructor(config) {
+        this.config = config;
+    }
+
+    getPasswordReset() {
+        const reset = this.config['password-reset'];
+
+        return {
+            getHTML() {
+                return reset['html-template'];
+            },
+
+            getText() {
+                return reset['text-template'];
+            },
+
+            getFrom() {
+                return reset['from'];
+            },
+
+            getSubject() {
+                return reset['subject'];
+            }
+        };
+    }
+}
+
+export { EmailConfig };

src/controller/email.js

@@ -0,0 +1,31 @@
+class EmailController {
+    constructor(mailer, config) {
+        this.mailer = mailer;
+        this.config = config;
+    }
+
+    async sendPasswordReset(params = {}) {
+        const { address, username, url } = params;
+
+        const resetConfig = this.config.getPasswordReset();
+
+        const html = resetConfig.getHTML()
+                .replace(/\$user\$/g, username)
+                .replace(/\$url\$/g, url);
+        const text = resetConfig.getText()
+                .replace(/\$user\$/g, username)
+                .replace(/\$url\$/g, url);
+
+        const result = await this.mailer.sendMail({
+            from: resetConfig.getFrom(),
+            to: `${username} <${address}>`,
+            subject: resetConfig.getSubject(),
+            html,
+            text
+        });
+
+        return result;
+    }
+}
+
+export { EmailController };

test/controller/email.js

@@ -0,0 +1,50 @@
+const assert = require('assert');
+const { createTransport } = require('nodemailer');
+const { EmailController } = require('../../lib/controller/email');
+const { EmailConfig } = require('../../lib/configuration/emailconfig');
+
+describe('EmailController', () => {
+    describe('sendPasswordReset', () => {
+        it('sends a password reset email', () => {
+            const mailer = createTransport({
+                jsonTransport: true
+            });
+            const config = new EmailConfig({
+                'password-reset': {
+                    from: 'Test <test@example.com>',
+                    subject: 'Password Reset',
+                    'html-template': 'Reset <a href="$url$">here</a> $user$',
+                    'text-template': 'Text is better than HTML $user$ $url$'
+                }
+            });
+
+            const controller = new EmailController(mailer, config);
+
+            return controller.sendPasswordReset({
+                address: 'some-user@example.com',
+                username: 'SomeUser',
+                url: 'http://localhost/password-reset/blah'
+            }).then(info => {
+                const sentMessage = JSON.parse(info.message);
+
+                assert.strictEqual(sentMessage.subject, 'Password Reset');
+                assert.deepStrictEqual(
+                    sentMessage.from,
+                    { name: 'Test', address: 'test@example.com' }
+                );
+                assert.deepStrictEqual(
+                    sentMessage.to,
+                    [{ name: 'SomeUser', address: 'some-user@example.com' }]
+                );
+                assert.strictEqual(
+                    sentMessage.html,
+                    'Reset <a href="http://localhost/password-reset/blah">here</a> SomeUser'
+                );
+                assert.strictEqual(
+                    sentMessage.text,
+                    'Text is better than HTML SomeUser http://localhost/password-reset/blah'
+                );
+            });
+        });
+    });
+});