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/*
This file is part of GNU Taler
(C) 2020 Taler Systems S.A.
GNU Taler is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* Imports.
*/
import { GlobalTestState, MerchantPrivateApi } from "./harness";
import { createSimpleTestkudosEnvironment, withdrawViaBank } from "./helpers";
import {
PreparePayResultType,
codecForMerchantOrderStatusUnpaid,
ConfirmPayResultType,
} from "@gnu-taler/taler-util";
import axios from "axios";
/**
* Run test for basic, bank-integrated withdrawal.
*/
export async function runPaywallFlowTest(t: GlobalTestState) {
// Set up test environment
const {
wallet,
bank,
exchange,
merchant,
} = await createSimpleTestkudosEnvironment(t);
// Withdraw digital cash into the wallet.
await withdrawViaBank(t, { wallet, bank, exchange, amount: "TESTKUDOS:20" });
/**
* =========================================================================
* Create an order and let the wallet pay under a session ID
*
* We check along the way that the JSON response to /orders/{order_id}
* returns the right thing.
* =========================================================================
*/
let orderResp = await MerchantPrivateApi.createOrder(merchant, "default", {
order: {
summary: "Buy me!",
amount: "TESTKUDOS:5",
fulfillment_url: "https://example.com/article42",
},
});
const firstOrderId = orderResp.order_id;
let orderStatus = await MerchantPrivateApi.queryPrivateOrderStatus(merchant, {
orderId: orderResp.order_id,
sessionId: "mysession-one",
});
t.assertTrue(orderStatus.order_status === "unpaid");
const talerPayUriOne = orderStatus.taler_pay_uri;
t.assertTrue(orderStatus.already_paid_order_id === undefined);
let publicOrderStatusUrl = orderStatus.order_status_url;
let publicOrderStatusResp = await axios.get(publicOrderStatusUrl, {
validateStatus: () => true,
});
if (publicOrderStatusResp.status != 402) {
throw Error(
`expected status 402 (before claiming), but got ${publicOrderStatusResp.status}`,
);
}
let pubUnpaidStatus = codecForMerchantOrderStatusUnpaid().decode(
publicOrderStatusResp.data,
);
console.log(pubUnpaidStatus);
let preparePayResp = await wallet.preparePay({
talerPayUri: pubUnpaidStatus.taler_pay_uri,
});
t.assertTrue(preparePayResp.status === PreparePayResultType.PaymentPossible);
const proposalId = preparePayResp.proposalId;
publicOrderStatusResp = await axios.get(publicOrderStatusUrl, {
validateStatus: () => true,
});
if (publicOrderStatusResp.status != 402) {
throw Error(
`expected status 402 (after claiming), but got ${publicOrderStatusResp.status}`,
);
}
pubUnpaidStatus = codecForMerchantOrderStatusUnpaid().decode(
publicOrderStatusResp.data,
);
const confirmPayRes = await wallet.confirmPay({
proposalId: proposalId,
});
t.assertTrue(confirmPayRes.type === ConfirmPayResultType.Done);
publicOrderStatusResp = await axios.get(publicOrderStatusUrl, {
validateStatus: () => true,
});
console.log(publicOrderStatusResp.data);
if (publicOrderStatusResp.status != 202) {
console.log(publicOrderStatusResp.data);
throw Error(
`expected status 202 (after paying), but got ${publicOrderStatusResp.status}`,
);
}
/**
* =========================================================================
* Now change up the session ID!
* =========================================================================
*/
orderStatus = await MerchantPrivateApi.queryPrivateOrderStatus(merchant, {
orderId: orderResp.order_id,
sessionId: "mysession-two",
});
// Should be claimed (not paid!) because of a new session ID
t.assertTrue(orderStatus.order_status === "claimed");
// Pay with new taler://pay URI, which should
// have the new session ID!
// Wallet should now automatically re-play payment.
preparePayResp = await wallet.preparePay({
talerPayUri: talerPayUriOne,
});
t.assertTrue(preparePayResp.status === PreparePayResultType.AlreadyConfirmed);
t.assertTrue(preparePayResp.paid);
/**
* =========================================================================
* Now we test re-purchase detection.
* =========================================================================
*/
orderResp = await MerchantPrivateApi.createOrder(merchant, "default", {
order: {
summary: "Buy me!",
amount: "TESTKUDOS:5",
// Same fulfillment URL as previously!
fulfillment_url: "https://example.com/article42",
},
});
const secondOrderId = orderResp.order_id;
orderStatus = await MerchantPrivateApi.queryPrivateOrderStatus(merchant, {
orderId: secondOrderId,
sessionId: "mysession-three",
});
t.assertTrue(orderStatus.order_status === "unpaid");
t.assertTrue(orderStatus.already_paid_order_id === undefined);
publicOrderStatusUrl = orderStatus.order_status_url;
// Here the re-purchase detection should kick in,
// and the wallet should re-pay for the old order
// under the new session ID (mysession-three).
preparePayResp = await wallet.preparePay({
talerPayUri: orderStatus.taler_pay_uri,
});
t.assertTrue(preparePayResp.status === PreparePayResultType.AlreadyConfirmed);
t.assertTrue(preparePayResp.paid);
// The first order should now be paid under "mysession-three",
// as the wallet did re-purchase detection
orderStatus = await MerchantPrivateApi.queryPrivateOrderStatus(merchant, {
orderId: firstOrderId,
sessionId: "mysession-three",
});
t.assertTrue(orderStatus.order_status === "paid");
// Check that with a completely new session ID, the status would NOT
// be paid.
orderStatus = await MerchantPrivateApi.queryPrivateOrderStatus(merchant, {
orderId: firstOrderId,
sessionId: "mysession-four",
});
t.assertTrue(orderStatus.order_status === "claimed");
// Now check if the public status of the new order is correct.
console.log("requesting public status", publicOrderStatusUrl);
// Ask the order status of the claimed-but-unpaid order
publicOrderStatusResp = await axios.get(publicOrderStatusUrl, {
validateStatus: () => true,
});
if (publicOrderStatusResp.status != 402) {
throw Error(`expected status 402, but got ${publicOrderStatusResp.status}`);
}
pubUnpaidStatus = codecForMerchantOrderStatusUnpaid().decode(
publicOrderStatusResp.data,
);
console.log(publicOrderStatusResp.data);
t.assertTrue(pubUnpaidStatus.already_paid_order_id === firstOrderId);
}
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