Cleaned up the replacements

ref #118

src/mailer.ts

@@ -1,3 +1,4 @@
+import fs from "fs";
 import nodemailer from 'nodemailer';
 import { MailOptions } from 'nodemailer/lib/json-transport';
 import Mail from 'nodemailer/lib/mailer';
@@ -28,10 +29,14 @@ export class Mailer {
 
     public async sendResetMail(to_address: string, token: String) {
         const reset_link = `${config.app_url}/reset/${token}`
+        let body = fs.readFileSync(__dirname + '/static/mail_templates/pw-reset.html', { encoding: 'utf8' });
+
+        body = body.replace("{{reset_link}}", reset_link).replace("{{recipient_mail}}", to_address).replace("{{copyright_owner}}", "LfK!").replace("{{link_imprint}}", `${config.app_url}/imprint`).replace("{{link_privacy}}", `${config.app_url}/privacy`);
+
         const mail: MailOptions = {
             to: to_address,
             subject: "LfK! Password Reset",
-            html: `<b>${reset_link}</b>`
+            html: body
         };
         await this.sendMail(mail);
     }