README

Sylius Payum Stripe gateway plugin

This plugin is designed to add a new gateway to Payum to support Stripe Checkout Session. It supports one time payment and authorized payment by placing a hold on a card.

Refund is also possible but disabled by default to avoid mistakes, use this config to enable it :

# config/packages/flux_se_sylius_payum_stripe.yaml

flux_se_sylius_payum_stripe:
  refund_disabled: false

See https://stripe.com/docs/payments/checkout for more information.

Installation

Install using Composer :

composer remove --dev stripe/stripe-php
composer require flux-se/sylius-payum-stripe-plugin

💡 If the flex recipe has not been applied then follow the next step.

Enable this plugin :

<?php

# config/bundles.php

return [
    // ...
    FluxSE\SyliusPayumStripePlugin\FluxSESyliusPayumStripePlugin::class => ['all' => true],    
    FluxSE\PayumStripeBundle\FluxSEPayumStripeBundle::class => ['all' => true],
    // ...
];

Create the file config/packages/flux_se_sylius_payum_stripe.yaml and add the following content

imports:
  - { resource: "@FluxSESyliusPayumStripePlugin/Resources/config/config.yaml" }

Configuration

Sylius configuration

Go to the admin area, log in, then click on the left menu item "CONFIGURATION > Payment methods". Create a new payment method type "Stripe Checkout Session (with SCA support)" :

Then a form will be displayed, fill-in the required fields :

1. the "code" field (ex: "stripe_checkout_session_with_sca").

💡 The code will be the gateway name, it will be needed to build the right webhook URL later (see Webhook key section for more info).

2. choose which channels this payment method will be affected to.

3. the gateway configuration (need info from here) :

📖 NOTE1: You can add as many webhook secret keys as you need here, however generic usage need only one.

📖 NOTE2: the screenshot contains false test credentials.

4. give to this payment method a display name (and a description) for each language you need.

Finally, click on the "Create" button to save your new payment method.

API keys

Get your publishable_key and your secret_key on your Stripe dashboard :

https://dashboard.stripe.com/test/apikeys

Webhook key

Got to :

https://dashboard.stripe.com/test/webhooks

Then create a new endpoint with those events:

The URL to fill is the route named payum_notify_do_unsafe with the gateway param equal to the gateway name (Payment method code), here is an example :

https://localhost/payment/notify/unsafe/stripe_checkout_session_with_sca

📖 As you can see in this example the URL is dedicated to localhost, you will need to provide to Stripe a public host name in order to get the webhooks working.

📖 Use this command to know the exact structure of payum_notify_do_unsafe route
bin/console debug:router payum_notify_do_unsafe

📖 Use this command to know the exact name of your gateway, or just check the code of the payment method in the Sylius admin payment method index.
bin/console debug:payum:gateway

Test or dev environment

Webhooks are triggered by Stripe on their server to your server. If the server is into a private network, Stripe won't be allowed to reach your server.

Stripe provide an alternate way to catch those webhook events, you can use Stripe cli : https://stripe.com/docs/stripe-cli Follow the link and install Stripe cli, then use those command line to get your webhook key :

First login to your Stripe account (needed every 90 days) :

stripe login

Then start to listen for the Stripe events (minimal ones are used here), forwarding request to your local server :

Example with stripe_checkout_session_with_sca as gateway name:

stripe listen \
   --events checkout.session.completed,checkout.session.async_payment_failed,checkout.session.async_payment_succeeded \
   --forward-to https://localhost/payment/notify/unsafe/stripe_checkout_session_with_sca

Example with stripe_js_with_sca as gateway name:

stripe listen \
   --events payment_intent.canceled,payment_intent.succeeded \
   --forward-to https://localhost/payment/notify/unsafe/stripe_js_with_sca

💡 Replace the --forward-to argument value with the right one you need.

When the command finishes a webhook secret key is displayed, copy it to your Payment method in the Sylius admin.

⚠️ Using the command stripe trigger checkout.session.completed will always result in a 500 error, because the test object will not embed any usable metadata.

More?

See documentation here : https://github.com/FLUX-SE/PayumStripe/blob/master/README.md

API (Sylius Api Platform)

Stripe JS gateway

The endpoint : GET /api/v2/shop/orders/{tokenValue}/payments/{paymentId}/configuration will make a Payum Capture or an Authorize and respond with the Stripe Payment Intent client secret, like this :

{
 'publishable_key':  'pk_test_1234567890',
 'use_authorize': false,
 'stripe_payment_intent_client_secret': 'a_secret'
}

After calling this endpoint your will be able to use Stripe Elements to display a Stripe Payment form, the same as this template is doing it: https://github.com/FLUX-SE/PayumStripe/blob/master/src/Resources/views/Action/stripeJsPaymentIntent.html.twig. More information here : https://docs.stripe.com/payments/payment-element

Stripe Checkout Session gateway

The endpoint : GET /api/v2/shop/orders/{tokenValue}/payments/{paymentId}/configuration will make a Payum Capture or an Authorize and respond with the Stripe Checkout Session url, like this :

{
 'publishable_key':  'pk_test_1234567890',
 'use_authorize': false,
 'stripe_checkout_session_url': 'https://checkout.stripe.com/c/pay/cs_test...'
}

Since this endpoint is not able to get any data from you, a service can be decorated to specify the Stripe Checkout Session success_url you need. Decorate this service : flux_se.sylius_payum_stripe.api.payum.after_url.stripe_checkout_session to generate your own dedicated url. You will have access to the Sylius Payment to decide what is the url/route and the parameters of it.

flux-se / sylius-payum-stripe-plugin

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