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import NiceModal from "@ebay/nice-modal-react";
import { isSessionExpired } from "@hooks/useSessionTimeoutWithWorker";
import * as Sentry from "@sentry/react";
import { safeParse } from "@utils/index";
import { parsedQueryString } from "@utils/queryString";
import {
default as Axios,
default as axios,
AxiosError,
AxiosInstance,
AxiosRequestConfig,
AxiosResponse,
CancelTokenSource,
} from "axios";
import Cookies from "js-cookie";
import {
ACCESS_DENIED_POPUP_V2,
SESSION_EXPIRED_MODAL,
} from "modals/modal_names";
import { cleanupAsyncExports } from "@hooks/transactions/useAsyncTransactionExport";
import {
CAPTCHA_CHALLENGE_REQUIRED_CODE,
PURCHASE_VERIFICATION_REQUIRED_CODE,
} from "@utils/errorHandling";
import { BASE_URL, RESEND_EMAIL_URL } from "./api.constant";
import { isExemptPath } from "./utils.api";
import {
getGlobalGroupKey,
shouldInjectWriteMethod,
} from "./GlobalGroupIdempotencyKey";
export const getCSRFtoken = () => {
const token = document.head.querySelector('meta[name="csrf-token"]');
Iif (token) {
return token?.getAttribute("content") as string;
} else return "";
};
// Hash function for data structures produces consistent hash regardless of key order or nesting
export const hashDataStructure = (data: any): string => {
const normalize = (obj: any): any => {
if (obj === null || obj === undefined) {
return obj;
}
if (Array.isArray(obj)) {
return obj.map(normalize);
}
if (typeof obj === "object" && obj.constructor === Object) {
const sorted: any = {};
Object.keys(obj)
.sort()
.forEach((key) => {
sorted[key] = normalize(obj[key]);
});
return sorted;
}
return obj;
};
const normalized = normalize(data);
const str = JSON.stringify(normalized);
// Simple but effective hash function (djb2)
let hash = 5381;
for (let i = 0; i < str.length; i++) {
hash = (hash << 5) + hash + str.charCodeAt(i);
hash = hash & hash; // Convert to 32bit integer
}
return Math.abs(hash).toString(36);
};
export const payloadForIdempotencyHash = (data: unknown) => {
if (!data || typeof data !== "object" || Array.isArray(data)) {
return data;
}
const { captchaToken, ...rest } = data as Record<string, unknown>;
return rest;
};
const csrf = getCSRFtoken();
/**
* The idea here is to prevent A -> B -> A edge cases in which the same hash is being used for
* non-adjacent requests.
* A1 -> B -> A2 should result in A1 being different from A2.
* So the algorithm is as follows:
* if incoming key is equal to current registered key we just send adding a salt
* if incoming key is differnt to current registered key we first increase the salt and we send the new key with new salt and incoming key gets registered as new base key
*
* A1 -> sent with Salt 1 -> A1-key-1
* B -> sent with Salt 2 -> B2-key-2
* A2 -> even though has same hash of A1 -> A2-key-3
*
* For adjacent requests flow would be like:
* A1 -> sent with Salt 1 -> A1-key-1
* A2 -> sent with Salt 1 (as incoming key and registered keys are equal) -> A2-key-1
*/
let salt = 0;
let currentBaseKey = "";
// Adjacent identical payloads reuse salt so a double-click shares one
// Idempotency-Key. Challenge retry is a new attempt with the same cart
// payload (captchaToken is stripped from the hash) — bump first or the
// BE replays the cached 400 for IDEMPOTENCY_KEY_TTL.
export const bumpIdempotencySalt = () => {
salt++;
};
export const axiosInstance = Axios.create({
baseURL: process.env.VITE_API_ENDPOINT,
withCredentials: true,
headers: {
"Content-Type": "application/json",
...(csrf && {
"X-CSRF-Token": csrf,
}),
},
});
// Custom SNACKBAR FOR NOTIFY MERCHANT GB-7582
const regexPattern = /^\/merchants\/\d+\/underwriting-challenges\/\d+\/notify$/;
const taskRegexPattern = /^\/merchants\/\d+\/tasks\/\d+$/;
export let isRedirecting = false;
let cancelTokenSource: CancelTokenSource | null = null;
export const customInstanceFactory = (axiosBuilder: AxiosInstance) => {
// Add a request interceptor to cancel requests if already redirecting
let retry = 0;
// Request interceptor
axiosBuilder.interceptors.request.use(
(config) => {
Iif (isRedirecting) {
// Cancel the request if already redirecting
return Promise.reject(new axios.Cancel("Redirecting to login"));
}
if (config.method?.toUpperCase() === "DELETE") {
// if for example we are deleting somethign from the cart
currentBaseKey = "";
}
if (shouldInjectWriteMethod(config.method)) {
const key = getGlobalGroupKey();
if (key) {
config.headers = config.headers || {};
// The idea is to treat the global key as wrapper so
// if we have a key and payload, automatically hash the payload and append it
if (config.data) {
// 1. Check if current key is equal to incoming key
const payloadHash = hashDataStructure(
payloadForIdempotencyHash(config.data),
);
const constructedKey = `${key}-${payloadHash}`;
if (currentBaseKey === constructedKey) {
config.headers["Idempotency-Key"] = `${constructedKey}-${salt}`;
} else {
// 2. If the incoming key is different we increase salt
// to avoid A -> B -> A
// edge cases
salt++;
config.headers["Idempotency-Key"] = `${constructedKey}-${salt}`;
// 3. We set current base key as the incoming key.
currentBaseKey = constructedKey;
}
} else E{
config.headers["Idempotency-Key"] = key;
}
}
}
return config;
},
(error) => Promise.reject(error),
);
// Add an interceptor to set the session token on all subsequent requests
Eif (axiosBuilder?.interceptors) {
axiosBuilder.interceptors.response.use(
(response: AxiosResponse<any, any>) => {
return response;
},
(error: AxiosError<any, any>) => {
// Ignore canceled requests
if (axios.isCancel(error)) {
console.log(
"[Sentry] Axios canceled request ignored:",
error.message,
);
return Promise.resolve(null); // swallow canceled request
}
// Ignore aborted requests (ECONNABORTED)
if (error.code === "ECONNABORTED") {
console.log(
"[Sentry] Axios aborted request ignored:",
error.config?.url,
);
return Promise.resolve(null); // swallow aborted request
}
const { status, data, config } = error.response || {};
const isBpsValidationError =
/^(.+?) Value can't be lower than (\d+) BPS$/.test(
data?.message ?? "",
);
Iif (
status === 400 &&
data?.message === "Invalid CSRF token session." &&
config?.url &&
["signup", "signin"].includes(config.url.replaceAll("/", ""))
) {
//clear the cookie only once
if (retry === 0) {
return axiosInstance({ url: "/cookies/clear", method: "POST" })
.then(() => {
if (++retry < 2) {
return axiosInstance(config)
.then((res) => {
retry = 0;
return res;
})
.catch(async () => {
return Promise.reject(error);
});
}
})
.catch((err) => {
return Promise.reject(err);
});
}
}
Iif (
status === 403 &&
data?.message === "You cannot select a closed merchant account."
) {
if (window.location.pathname !== "/closed-account") {
window.location.assign("/closed-account");
}
return Promise.reject(error);
}
if (
status === 403 &&
data?.code === "not_authorized" &&
error.config?.method !== "get" &&
Cookies.get("user")
) {
NiceModal.show(ACCESS_DENIED_POPUP_V2);
return Promise.reject(error);
}
Iif (
status === 403 &&
(data?.code === "not_authorized" || data?.code === "access_denied") &&
error.config?.method === "get"
) {
return Promise.reject({
not_authorized: true,
});
}
const hideErrorSnackbar = [
regexPattern.test(config?.url as string),
data?.message?.startsWith("Plaid login required"),
config?.url?.includes("mastercard-match"),
config?.url?.includes("sponsor-status"), //for sponsor approve we need to show warning snackbar, so we use different logic for error handling in the component itself
config?.url?.includes("checkout") &&
data?.message?.includes("email address needs to be verified"),
// scoped like the gate above it: the checkout opens the confirm
// modal, which states the hold; elsewhere this should still be heard
config?.url?.includes("checkout") &&
data?.code === PURCHASE_VERIFICATION_REQUIRED_CODE,
// useResendEmail is the single reporter for this one: its callers
// choose between a toast and an inline message, and both firing puts
// the API's wording on top of whichever they chose.
config?.url?.includes(RESEND_EMAIL_URL),
data?.code === CAPTCHA_CHALLENGE_REQUIRED_CODE,
(config?.url?.includes("underwriting-status") ||
config?.url?.includes("sponsor-status")) &&
data?.message?.includes("missing mandatory"), // when moving to sponsor there is a custom error handling showing a modal when missing mandatory fields
taskRegexPattern.test(config?.url as string),
config?.url?.includes("/owner-reassignments"), // ChangePAHModal surfaces 4xx field/non-field errors inline under the email input
];
Iif (status === 400 && data?.message?.includes("hard-bounce")) {
showMessage(
"Error",
"Email message sent was rejected because The email address might be incorrect or blocked.",
);
}
if (
status === 400 &&
!hideErrorSnackbar.includes(true) &&
!isBpsValidationError &&
!data?.message?.includes(
"The requested interval cannot be used with this variant",
)
) {
showMessage("Error", data.message);
}
Iif (
status === 401 &&
data?.code === "not_authenticated" &&
window.location.pathname.replace("/", "") !== "signup" //during signup we have onboarding wich is depending on severals api calls which, for know reasons might fail with 401
) {
if (isExemptPath(window.location.pathname)) {
// allow Privacy and TOS pages to be viewed without login/session
return Promise.reject(error);
}
// Check if session has actually expired (current time > session start time + 24 hours)
const sessionActuallyExpired = isSessionExpired();
if (!isRedirecting && location.search.includes("new_version=true")) {
isRedirecting = true;
cancelTokenSource = axios.CancelToken.source();
Cookies.remove("transfer-verification");
Cookies.remove("user");
// queryClient.removeQueries();
cleanupAsyncExports();
setTimeout(() => {
window.location.href = "/session-expired";
}, 100);
} else if (!isRedirecting && sessionActuallyExpired) {
// Only show session expired modal if session has actually expired based on our 24-hour timer
cancelTokenSource = axios.CancelToken.source();
Cookies.remove("transfer-verification");
Cookies.remove("user");
localStorage.removeItem("session_start_time");
sessionStorage.removeItem("last_activity_reset");
cleanupAsyncExports();
NiceModal.show(SESSION_EXPIRED_MODAL);
} else if (!isRedirecting && !sessionActuallyExpired) {
// 401 error but session hasn't expired - treat as regular authentication error
// Don't show session expired modal, just redirect to login
isRedirecting = true;
cancelTokenSource = axios.CancelToken.source();
Cookies.remove("transfer-verification");
Cookies.remove("user");
// Clear session data
localStorage.removeItem("session_start_time");
sessionStorage.removeItem("last_activity_reset");
cleanupAsyncExports();
// Redirect to login without session expired modal
setTimeout(() => {
window.location.href = "/login";
}, 100);
} else {
return Promise.reject(new axios.Cancel("Redirecting to login"));
}
}
return Promise.reject(error);
},
);
}
return function <T>(config: AxiosRequestConfig): Promise<T | null> {
const promise: Promise<T | null> = axiosBuilder({
...config,
}).then((response: AxiosResponse<T> | null) =>
response ? response.data : null,
);
Sentry.startSpan(
{ op: "http.client", name: config.url ?? "manual-tracing" },
async (span) => {
span.setAttributes({
"server.address": process.env.VITE_API_ENDPOINT,
});
span.setAttribute("http.request.method", config.method);
try {
await promise;
} catch (error: any) {
console.debug("API error:", error);
} finally {
span.end();
}
},
);
return promise;
};
};
export const customInstance = (
args: AxiosRequestConfig,
): Promise<any | null> => {
const Cookie_Session = Cookies.get("user");
const localMasquerade = localStorage.getItem("masquerade-mode");
const masquerade =
localMasquerade !== null ? safeParse(localMasquerade) : null;
let str = "";
try {
if (Cookie_Session) {
const user = safeParse(Cookie_Session);
str = masquerade?.name ? `accID:${masquerade.id}` : `accID:${user?.id}`;
}
} catch (err) {
console.log("cookie is either undefined or cannot be parsed");
}
const newUrl = parsedQueryString(`${BASE_URL}${args.url}`, str);
Iif (newUrl && args.url) {
return customInstanceFactory(axiosInstance)({
...args,
url: newUrl,
});
}
return customInstanceFactory(axiosInstance)(args);
};
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