Captcha Mail Sender

Quick Start

Include The Package

const {MailSender, Captcha} = require('captcha-mail');

Do The Config Settings

The Required Config As Bellow:

const config = {
  apikey:          'SG.*** Your SendGrid API Key See: https://sendgrid.com/',
  randomStrSource: '1234567890',
  cachePrefix:     's_captchaCachePrefix:',
  expireSeconds:   600,  
  template: {
    subject: 'WumingXiaozu.com Registry Captcha',
    sender:  '[email protected]',
    text:    'Your Captcha Is <strong>${captcha}</strong>', 
    html:    'Registry Captcha <strong>${captcha}</strong> From WumingXiaozu.com, Please Enter Into Login Box.',
  },
  redis: {
    host: '127.0.0.1',
    port: 6379
  }
};

• apikey: string, send grid mail private key, get it from here: https://sendgrid.com/
• randomStrSource: string, from which we generate the captcha.
• cachePrefix: string, used for redis key prefix.
• expireSeconds: number, after these seconds, the captcha expired. MIN EXPIRE SECONDS is 60, any settings less than this value will be ignored, and the key never expires.
• template: object, the email template.
• redis: object, redis connector.

NOTE: BE AWAIR OF THAT, THE ${captcha} PART WILL BE REPLACED BY REAL CAPTCHA.

Calling Demo

// Define The Receiver.
const email = '[email protected]';

// Init The Captcha Object
const captchaIns = new Captcha(config).init();

WARNING: IF You New Captcha Instance Every Time You Use, Please Destroy The Object With destroy() Method After Usage. If Not, The Connection Object Will Exist Along With The Application Life Time.

captchaIns.destroy();

When Generate Captcha And Send Email

// Generate The Code And Store Into Redis.
const captcha = await captchaIns.generateCaptcha(email, 6);
console.log('My Captcha Is %s', captcha);

// Send Email To Receiver.
const mailSenderIns = new MailSender(config.captcha).init();
mailSenderIns.sendCaptcha(email, captcha);

When Validate The Captcha

const valid = await captchaIns.validateCaptcha(email, captcha);
console.log('Captcha Validate Is:', valid);

Release Log

**--- 2018-06-09 --- v1.1.3 **

Add Expire Support For Captcha.

**--- 2018-06-09 --- v1.1.1 **

Change mail send object as a class, easier to use.

**--- 2018-06-09 --- v1.0.1 **

Finish basic usage of mail sent, captcha generation