Checkout: only customer fields on order updates, verified PayPal capture, safe logging (#6)
Co-authored-by: Michael Czechowski <mail@librete.ch>
This commit was merged in pull request #6.
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Michael Czechowski committed
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@@ -33,48 +33,141 @@ test("ignores the symbol keys winston adds", () => {
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assert.equal(formatLogLine(info), "2026-10-08 21:29:40.426Z info: hello ");
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});
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// Known defects: these assert the correct behaviour and fail today, which the todo marks as expected.
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// Fixed defects of https://git.librete.ch/libretech/mp/issues/67.
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test(
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"does not throw on a circular reference",
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{ todo: "JSON.stringify throws on a circular reference — https://git.librete.ch/libretech/mp/issues/67" },
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() => {
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const request: Record<string, unknown> = { method: "POST", path: "/v1/oauth2/token" };
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request.self = request;
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test("does not throw on a circular reference", () => {
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const request: Record<string, unknown> = { method: "POST", path: "/v1/oauth2/token" };
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request.self = request;
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assert.doesNotThrow(() => formatLogLine({ timestamp: TIMESTAMP, level: "error", message: "app:e:paypal-api", request }));
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assert.doesNotThrow(() => formatLogLine({ timestamp: TIMESTAMP, level: "error", message: "app:e:paypal-api", request }));
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});
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test("does not write the Authorization header of an axios-like error into the line", () => {
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const error = Object.assign(new Error("getaddrinfo EAI_AGAIN api-m.paypal.com"), {
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name: "AxiosError",
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code: "EAI_AGAIN",
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config: { method: "post", url: "https://api-m.paypal.com/v1/oauth2/token", headers: { Authorization: `Basic ${CREDENTIALS}` } }
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});
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// What strapi.log.error(error) hands this formatter: Strapi's logErrors format spreads the error and appends its stack.
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const line = formatLogLine({ ...error, message: `${error.message}\n${error.stack}`, level: "error", timestamp: TIMESTAMP });
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assert.ok(!line.includes(CREDENTIALS), line);
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});
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test("renders an Error with its message instead of {}", () => {
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const error = new Error("getaddrinfo EAI_AGAIN api-m.paypal.com");
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// strapi.log.error("…", { error }), as in the order controller's capturePayment
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const line = formatLogLine({
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timestamp: TIMESTAMP,
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level: "error",
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message: "app:e:order-controller: Error capturing payment for order x",
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error
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});
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assert.ok(line.includes("getaddrinfo EAI_AGAIN api-m.paypal.com"), line);
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});
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// Safe serialisation.
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const fieldsOf = (line: string) => JSON.parse(line.slice(line.indexOf("{")));
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test("redacts the fields named like a credential at any depth, whatever their case", () => {
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const line = formatLogLine({
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timestamp: TIMESTAMP,
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level: "debug",
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message: "app:d:test",
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token: "A21AAF…",
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request: {
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method: "POST",
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headers: { Authorization: `Basic ${CREDENTIALS}`, Cookie: "koa.sess=abc", "X-API-Key": "k1", "Content-Type": "application/json" },
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body: { grant_type: "client_credentials", client_secret: "s3cr3t", user: { password: "hunter2", api_key: "k2", apikey: "k3" } },
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responses: [{ headers: { "set-cookie": ["koa.sess=def"] }, data: { access_token: "A21AAG…", expires_in: 32400 } }]
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}
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});
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assert.deepEqual(fieldsOf(line), {
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token: "[redacted]",
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request: {
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method: "POST",
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headers: { Authorization: "[redacted]", Cookie: "[redacted]", "X-API-Key": "[redacted]", "Content-Type": "application/json" },
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body: {
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grant_type: "client_credentials",
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client_secret: "[redacted]",
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user: { password: "[redacted]", api_key: "[redacted]", apikey: "[redacted]" }
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},
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responses: [{ headers: { "set-cookie": "[redacted]" }, data: { access_token: "[redacted]", expires_in: 32400 } }]
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}
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});
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});
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test("writes the other fields of an object that contains itself, and the reference to it as [Circular]", () => {
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const request: Record<string, unknown> = { method: "POST", path: "/v1/oauth2/token" };
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request.socket = { request, remoteAddress: "151.101.1.21" };
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const line = formatLogLine({ timestamp: TIMESTAMP, level: "error", message: "app:e:paypal-api", request, list: [request] });
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assert.deepEqual(fieldsOf(line), {
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request: { method: "POST", path: "/v1/oauth2/token", socket: { request: "[Circular]", remoteAddress: "151.101.1.21" } },
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list: [{ method: "POST", path: "/v1/oauth2/token", socket: { request: "[Circular]", remoteAddress: "151.101.1.21" } }]
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});
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});
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test("writes an object that is referenced twice, but not by itself, both times", () => {
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const delivery = { id: 1, price: 4.95 };
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assert.deepEqual(fieldsOf(formatLogLine({ timestamp: TIMESTAMP, level: "info", message: "m", before: delivery, after: delivery })), {
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before: { id: 1, price: 4.95 },
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after: { id: 1, price: 4.95 }
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});
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});
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test("writes an Error as its name and the first line of its message, and its stack only when asked", () => {
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const error = Object.assign(new Error('The response did not match the response schema.\n\nGiven value: {"email_address":"erika@example.org"}'), {
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request: { url: "https://api-m.paypal.com/v2/checkout/orders", headers: { Authorization: "Bearer A21AAF…" } },
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statusCode: 201
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});
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const info = { timestamp: TIMESTAMP, level: "error", message: "app:e:paypal-api", error };
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assert.deepEqual(fieldsOf(formatLogLine(info)), { error: { name: "Error", message: "The response did not match the response schema." } });
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const withStack = fieldsOf(formatLogLine(info, { stack: true }));
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assert.equal(withStack.error.stack, error.stack);
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assert.deepEqual(Object.keys(withStack.error), ["name", "message", "stack"]);
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});
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test("writes an instance of a class without toJSON as its class name, so the headers a request object keeps stay out", () => {
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class ClientRequest {
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_header = `POST /v1/oauth2/token HTTP/1.1\r\nAuthorization: Basic ${CREDENTIALS}\r\n\r\n`;
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method = "POST";
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}
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);
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const line = formatLogLine({ timestamp: TIMESTAMP, level: "error", message: "m", request: new ClientRequest(), seen: new Set([1]) });
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test(
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"does not write the Authorization header of an axios-like error into the line",
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{ todo: "the PayPal client credentials are logged — https://git.librete.ch/libretech/mp/issues/67" },
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() => {
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const error = Object.assign(new Error("getaddrinfo EAI_AGAIN api-m.paypal.com"), {
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name: "AxiosError",
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code: "EAI_AGAIN",
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config: { method: "post", url: "https://api-m.paypal.com/v1/oauth2/token", headers: { Authorization: `Basic ${CREDENTIALS}` } }
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});
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// What strapi.log.error(error) hands this formatter: Strapi's logErrors format spreads the error and appends its stack.
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const line = formatLogLine({ ...error, message: `${error.message}\n${error.stack}`, level: "error", timestamp: TIMESTAMP });
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assert.deepEqual(fieldsOf(line), { request: "[ClientRequest]", seen: "[Set]" });
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assert.ok(!line.includes(CREDENTIALS), line);
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});
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assert.ok(!line.includes(CREDENTIALS), line);
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test("writes an instance of a class with toJSON as what toJSON returns, redacted", () => {
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// Like axios's AxiosHeaders, which an axios error carries in config.headers.
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class AxiosHeaders {
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toJSON() {
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return { Accept: "application/json", Authorization: `Basic ${CREDENTIALS}` };
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}
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}
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);
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const at = new Date("2026-10-08T19:13:05.000Z");
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const line = formatLogLine({ timestamp: TIMESTAMP, level: "error", message: "m", config: { headers: new AxiosHeaders() }, at });
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test(
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"renders an Error with its message instead of {}",
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{ todo: "an Error is rendered as {} — https://git.librete.ch/libretech/mp/issues/67" },
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() => {
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const error = new Error("getaddrinfo EAI_AGAIN api-m.paypal.com");
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// strapi.log.error("…", { error }), as in the order controller's capturePayment
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const line = formatLogLine({
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timestamp: TIMESTAMP,
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level: "error",
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message: "app:e:order-controller: Error capturing payment for order x",
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error
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});
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assert.deepEqual(fieldsOf(line), {
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config: { headers: { Accept: "application/json", Authorization: "[redacted]" } },
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at: "2026-10-08T19:13:05.000Z"
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});
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});
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assert.ok(line.includes("getaddrinfo EAI_AGAIN api-m.paypal.com"), line);
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}
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);
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test("writes a bigint as its digits and a field that cannot be read as [unreadable]", () => {
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const unreadable = {
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get value() {
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throw new Error("no");
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}
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};
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// The PayPal SDK keeps an OAuth token's expiry as a bigint, which JSON.stringify throws on.
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const line = formatLogLine({ timestamp: TIMESTAMP, level: "debug", message: "m", expiry: 1791587585n, unreadable });
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assert.deepEqual(fieldsOf(line), { expiry: "1791587585", unreadable: "[unreadable]" });
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});
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