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<!DOCTYPE html>
<meta charset="utf-8">
<meta name="timeout" content="long">
<title>Crash tests PaymentRequest Constructor</title>
<link rel="help" href="https://w3c.github.io/browser-payment-api/#constructor">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
"use strict";
const ABUSIVE_AMOUNT = 100000;
const applePay = {
supportedMethods: "https://apple.com/apple-pay",
data: {
version: 3,
merchantIdentifier: "merchant.com.example",
countryCode: "US",
merchantCapabilities: ["supports3DS"],
supportedNetworks: ["visa"],
}
};
const basicCard = Object.freeze({
supportedMethods: "basic-card",
});
const defaultAmount = Object.freeze({
currency: "USD",
value: "1.00",
});
const evilAmount = Object.freeze({
currency: "USD",
value: "1".repeat(ABUSIVE_AMOUNT),
});
const defaultMethods = Object.freeze([basicCard, applePay]);
const defaultTotal = Object.freeze({
label: "label",
amount: defaultAmount,
});
const evilTotal = Object.freeze({
label: "a".repeat(ABUSIVE_AMOUNT),
amount: evilAmount,
});
const defaultDetails = Object.freeze({
total: defaultTotal,
get id() {
return Math.random();
},
});
const defaultPaymentItem = Object.freeze({
label: "label",
amount: defaultAmount,
});
const defaultShippingOption = {
get id() {
return "shipping option " + Math.random();
},
amount: defaultAmount,
label: "shipping option label",
};
// First argument is sequence<PaymentMethodData> methodData
test(() => {
let evilMethods = [Object.assign({}, basicCard)];
// smoke test
try {
new PaymentRequest(evilMethods, defaultDetails);
} catch (err) {
assert_unreached("failed smoke test: " + err.stack);
}
// Now, let's add an abusive amount of methods.
while (evilMethods.length < ABUSIVE_AMOUNT) {
evilMethods.push({supportedMethods: "evil-method" + evilMethods.length});
}
try {
new PaymentRequest(evilMethods, defaultDetails);
} catch (err) {
assert_equals(err.name, "TypeError", "must be a TypeError");
}
}, "Don't crash if there is an abusive number of payment methods in the methodData sequence");
// PaymentMethodData.supportedMethods
test(() => {
const supportedMethods = "basic-card";
// Smoke test
try {
new PaymentRequest([{ supportedMethods }], defaultDetails);
} catch (err) {
assert_unreached("failed smoke test: " + err.stack);
}
// Now, we make supportedMethods super large
const evilMethodData = [
{
supportedMethods: supportedMethods.repeat(ABUSIVE_AMOUNT),
},
];
try {
new PaymentRequest(evilMethodData, defaultDetails);
} catch (err) {
assert_equals(err.name, "TypeError", "must be a TypeError");
}
}, "Don't crash if PaymentMethodData.supportedMethods is an abusive length");
// PaymentDetailsInit.id
test(() => {
const id = "abc";
// Smoke Test
try {
new PaymentRequest(
defaultMethods,
Object.assign({}, defaultDetails, { id })
);
} catch (err) {
assert_unreached("failed smoke test: " + err.stack);
}
// Now, we make the id super large;
const evilDetails = Object.assign({}, defaultDetails, {
id: id.repeat(ABUSIVE_AMOUNT),
});
try {
new PaymentRequest(defaultMethods, evilDetails);
} catch (err) {
assert_equals(err.name, "TypeError", "must be a TypeError");
}
}, "Don't crash if the request id has an abusive length");
// PaymentDetailsInit.total.label
test(() => {
const evilDetails = Object.assign({}, defaultDetails);
// Smoke Test
try {
new PaymentRequest(defaultMethods, evilDetails);
} catch (err) {
assert_unreached("failed smoke test: " + err.stack);
}
// Now, we make the label super large;
evilDetails.total = {
label: "l".repeat(ABUSIVE_AMOUNT),
amount: defaultAmount,
};
try {
new PaymentRequest(defaultMethods, evilDetails);
} catch (err) {
assert_equals(err.name, "TypeError", "must be a TypeError");
}
}, "Don't crash if PaymentDetailsInit.total.label is an abusive length");
test(() => {
const evilDetails = Object.assign({}, defaultDetails);
// Smoke Test
try {
new PaymentRequest(defaultMethods, evilDetails);
} catch (err) {
assert_unreached("failed smoke test: " + err.stack);
}
// Now, we can use evilAmount
evilDetails.total = evilAmount;
try {
new PaymentRequest(defaultMethods, evilDetails);
} catch (err) {
assert_equals(err.name, "TypeError", "must be a TypeError");
}
}, "Don't crash if total.amount.value is an abusive length");
for (const [prop, defaultValue] of [
["displayItems", defaultPaymentItem],
["shippingOptions", defaultShippingOption],
]) {
test(() => {
const evilDetails = Object.assign({}, defaultDetails);
evilDetails[prop] = [defaultValue];
// Smoke Test
try {
new PaymentRequest(defaultMethods, evilDetails);
} catch (err) {
assert_unreached("failed smoke test: " + err.stack);
}
while (evilDetails[prop].length < ABUSIVE_AMOUNT) {
evilDetails[prop] = evilDetails[prop].concat(evilDetails[prop]);
}
// Now, construct with evil items!
try {
new PaymentRequest(defaultMethods, evilDetails);
} catch (err) {
assert_equals(err.name, "TypeError", "must be a TypeError");
}
}, `Don't crash if details.${prop} has an abusive number of items`);
}
test(() => {
const evilDetails = Object.assign({}, defaultDetails);
const evilShippingOption = Object.assign({}, defaultShippingOption);
evilDetails.shippingOptions = [evilShippingOption];
// Smoke Test
try {
new PaymentRequest(defaultMethods, evilDetails);
} catch (err) {
assert_unreached("failed smoke test: " + err.stack);
}
// Now, we make the label super large;
evilShippingOption.label = "l".repeat(ABUSIVE_AMOUNT);
try {
new PaymentRequest(defaultMethods, evilDetails);
} catch (err) {
assert_equals(err.name, "TypeError", "must be a TypeError");
}
}, "Don't crash if PaymentShippingOptions.label is an abusive length");
test(() => {
const evilDetails = Object.assign({}, defaultDetails);
const evilShippingOption = Object.assign({}, defaultShippingOption);
evilDetails.shippingOptions = [evilShippingOption];
// Smoke Test
try {
new PaymentRequest(defaultMethods, evilDetails);
} catch (err) {
assert_unreached("failed smoke test: " + err.stack);
}
// Now, we make use of evilAmount;
evilShippingOption.amount = evilAmount;
try {
new PaymentRequest(defaultMethods, evilDetails);
} catch (err) {
assert_equals(err.name, "TypeError", "must be a TypeError");
}
}, "Don't crash if the PaymentShippingOptions.amount.value is an abusive length");
test(() => {
const evilDetails = Object.assign({}, defaultDetails);
const evilDisplayItem = Object.assign({}, defaultPaymentItem);
evilDetails.displayItems = [evilDisplayItem];
// Smoke Test
try {
new PaymentRequest(defaultMethods, evilDetails);
} catch (err) {
assert_unreached("failed smoke test: " + err.stack);
}
// Now, we make the label super large;
evilDisplayItem.label = "l".repeat(ABUSIVE_AMOUNT);
try {
new PaymentRequest(defaultMethods, evilDetails);
} catch (err) {
assert_equals(err.name, "TypeError", "must be a TypeError");
}
}, "Don't crash if PaymentItem.label is an abusive length");
</script>
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