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manifest / ecommerce / my-subscription-system

My Subscription System

Custom WooCommerce subscription plugin with Stripe Checkout and secure webhooks (built from scratch

by Riaz Ahmad · github.com/riazahmad0027/my-subscription-system · website

★ 0stars

Install

Download source zip No release zip yet

This is the repository archive. It installs, but the folder name will carry the branch suffix and updates will not flow.

Install straight from GitHub with WP-CLI:

wp plugin install https://github.com/riazahmad0027/my-subscription-system/archive/refs/heads/main.zip
No built-in updater. New versions won't appear under Dashboard → Updates. Install new releases yourself, or let Git Updater track the repository.
Readme github.com/riazahmad0027/my-subscription-system ↗

A custom WooCommerce plugin that adds recurring subscriptions with Stripe. It's built from scratch, with no third-party subscription plugin.

Status: working in test mode. Being prepared for live use.

What works now

  • "Billing period" option on any WooCommerce product: none, monthly or yearly
  • A subscription is created automatically when an order is paid or completed
  • Customers start monthly or yearly payments through Stripe Checkout, from the order thank-you page
  • Stripe webhooks with signature verification. Activation, renewals, failed payments and cancellations update subscriptions automatically
  • Next billing date updated from Stripe on every renewal
  • Admin page (WP Admin → Subscriptions) listing all subscriptions with their status
  • REST API endpoint kashif-bakers/v1/subscriptions, restricted to shop managers
  • Private debug log, protected from public access

Architecture

  • my-subscription-system.php: main file, autoloader, database table on activation
  • includes/Plugin.php: loads all parts, admin menu and order hooks
  • includes/ProductFields.php: billing period field on products
  • includes/Subscription.php: creates and cancels subscriptions
  • includes/SubscriptionCheckout.php: "Start payments" button and Stripe Checkout session
  • includes/StripeClient.php: small client for the Stripe API
  • includes/WebhookHandler.php: verifies Stripe signatures and updates subscriptions
  • includes/RestApi.php: REST endpoint
  • includes/Logger.php: debug logging

Setup

  1. Upload the plugin folder to wp-content/plugins/ and activate it (WooCommerce required).

  2. Add your Stripe keys to wp-config.php (never put keys in the plugin code):

    define('MSS_STRIPE_SECRET_KEY', 'sktest...'); define('MSS_STRIPE_WEBHOOKSECRET', 'whsec...');

  3. In Stripe, add a webhook pointing to: https://yoursite.com/wp-json/kashif-bakers/v1/webhooks/stripe with the events checkout.session.completed, invoice.paid, invoice.payment_failed and customer.subscription.deleted.

  4. Edit a product, choose a billing period, and save.

Tested with

WordPress 7.1, WooCommerce 11, PHP 8.3, Stripe test mode.

Author

Riaz Ahmad, WordPress and WooCommerce developer Riaz Ahmad · Portfolio

License

GPL-2.0-or-later