Ghost/ghost/members-api/lib/stripe/index.js
Fabien O'Carroll 2849c647d6 Added parseWebhook method to stripe
no-issue

This uses the webhook secret and stripe module to validate the signature
and parse the body into an object
2019-09-25 11:20:02 +07:00

86 lines
2.8 KiB
JavaScript

const api = require('./api');
module.exports = class StripePaymentProcessor {
constructor(config) {
this._ready = new Promise((resolve, reject) => {
this._resolveReady = resolve;
this._rejectReady = reject;
});
this._configure(config);
}
async ready() {
return this._ready;
}
async _configure(config) {
this._stripe = require('stripe')(config.secretKey);
this._stripe.__TEST_MODE__ = config.secretKey.startsWith('sk_test_');
this._public_token = config.publicKey;
this._checkoutSuccessUrl = config.checkoutSuccessUrl;
this._checkoutCancelUrl = config.checkoutCancelUrl;
this._webhookHandlerUrl = config.webhookHandlerUrl;
try {
this._product = await api.products.ensure(this._stripe, config.product);
this._plans = [];
for (const planSpec of config.plans) {
const plan = await api.plans.ensure(this._stripe, planSpec, this._product);
this._plans.push(plan);
}
try {
// @TODO Need to somehow not duplicate this every time we boot
const webhook = await create(this._stripe, 'webhookEndpoints', {
url: this._webhookHandlerUrl,
enabled_events: ['checkout.session.completed']
});
this._webhookSecret = webhook.secret;
} catch (err) {
console.log(err);
this._webhookSecret = process.env.WEBHOOK_SECRET;
}
} catch (err) {
return this._rejectReady(err);
}
return this._resolveReady({
product: this._product,
plans: this._plans
});
}
getPublicConfig() {
return {
publicKey: this._public_token,
plans: this._plans.map(({id, currency, amount, interval, nickname}) => ({
id, currency, amount, interval,
name: nickname
}))
};
}
async parseWebhook(body, signature) {
return this._stripe.webhooks.constructEvent(body, signature, this._webhookSecret);
}
async createCheckoutSession(member, planName) {
const customer = await api.customers.ensure(this._stripe, member, member.email);
const plan = this._plans.find(plan => plan.nickname === planName);
const session = await this._stripe.checkout.sessions.create({
payment_method_types: ['card'],
success_url: this._checkoutSuccessUrl,
cancel_url: this._checkoutCancelUrl,
customer: customer.id,
subscription_data: {
items: [{
plan: plan.id
}]
}
});
return session;
}
};