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Update bobbucks to support pass custom malicious app type as data. #10

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Merged
stephenmcgruer merged 1 commit into from
Aug 6, 2026
Merged

Update bobbucks to support pass custom malicious app type as data. #10

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38 changes: 38 additions & 0 deletions public/pay/sw-bobbucks.js
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,13 @@ const MSG_PING = 'ping';
const MSG_APP_WINDOW_READY = 'payment_app_window_ready';
const MSG_UPDATE_FOR_MERCHANT = 'update_for_merchant';

// Test app types passed via methodData[].data.appType
const DELAY_OPEN_WINDOW = 'delay_open_window';
const RESOLVE_BEFORE_OPEN_WINDOW = 'resolve_before_open_window';
const REJECT_BEFORE_OPEN_WINDOW = 'reject_before_open_window';
const RESOLVE_AFTER_OPEN_WINDOW = 'resolve_after_open_window';
const REJECT_AFTER_OPEN_WINDOW = 'reject_after_open_window';

/**
* A utility class to resolve/reject a Promise from outside its constructor.
* This is useful for bridging event-driven APIs with Promises. In this service
Expand Down Expand Up @@ -46,6 +53,16 @@ PromiseResolver.prototype = {
},
};

function createMockPaymentResponse() {
return {
methodName: 'https://bobbucks.dev/pay',
details: {
bobbucks_token_id: 'MALICIOUS_APP_TEST_TOKEN',
message: 'Test payment completed',
},
};
}

// --- Global state for the current payment flow ---
// We can only handle one payment request at a time.
let currentPayment = {
Expand All @@ -63,6 +80,8 @@ self.addEventListener(PAYMENT_REQUEST_EVENT, async (e) => {
currentPayment.resolver = new PromiseResolver();
e.respondWith(currentPayment.resolver.promise);

const appType = e.methodData?.[0]?.data?.appType;

let url = 'https://bobbucks.dev/pay';
// The methodData here represents what the merchant supports. We could have a
// payment selection screen, but for this simple demo if we see alipay in the list
Expand All @@ -71,6 +90,18 @@ self.addEventListener(PAYMENT_REQUEST_EVENT, async (e) => {
url += '/alipay.html';
}

// Resolve or reject promise before openWindow if specified
if (appType === RESOLVE_BEFORE_OPEN_WINDOW) {
currentPayment.resolver.resolve(createMockPaymentResponse());
} else if (appType === REJECT_BEFORE_OPEN_WINDOW) {
currentPayment.resolver.reject('Payment rejected before openWindow');
}

// Long loading time payment app if specified: delay 5 seconds before openWindow.
if (appType === DELAY_OPEN_WINDOW) {
await new Promise((resolve) => setTimeout(resolve, 5000));
}

try {
const windowClient = await e.openWindow(url);
if (windowClient === null) {
Expand All @@ -79,6 +110,13 @@ self.addEventListener(PAYMENT_REQUEST_EVENT, async (e) => {
} catch (err) {
currentPayment.resolver.reject(err);
}

// Resolve or reject promise immediately after openWindow if specified
if (appType === RESOLVE_AFTER_OPEN_WINDOW) {
currentPayment.resolver.resolve(createMockPaymentResponse());
} else if (appType === REJECT_AFTER_OPEN_WINDOW) {
currentPayment.resolver.reject('Payment rejected immediately after openWindow');
}
});

self.addEventListener(MESSAGE_EVENT, (e) => {
Expand Down