76 lines
3.2 KiB
TypeScript
76 lines
3.2 KiB
TypeScript
import "server-only";
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import * as z from "zod";
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import { HttpError } from "@/lib/security/http";
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import { normalizePromptPayIdentifier } from "@/lib/commission/promptpay";
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const slipResponse = z.object({ code: z.string() }).passthrough();
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const verifiedSlip = z.object({
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referenceId: z.string().min(1),
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transRef: z.string().min(1),
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amount: z.number(),
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dateTime: z.string().refine((value) => !Number.isNaN(Date.parse(value))),
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}).passthrough();
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function required(name: string) {
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const value = process.env[name];
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if (!value) throw new HttpError(503, `${name}-not-configured`);
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return value;
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}
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export function promptPayConfig() {
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const type = required("COMMISSION_PROMPTPAY_TYPE");
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if (type !== "mobile" && type !== "nationalId" && type !== "ewallet")
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throw new HttpError(503, "invalid-promptpay-type");
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let identifier;
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try {
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identifier = normalizePromptPayIdentifier({ type, value: required("COMMISSION_PROMPTPAY_VALUE") });
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} catch {
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throw new HttpError(503, "invalid-promptpay-value");
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}
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return { identifier, receiverNumber: required("COMMISSION_RECEIVER_ACCOUNT_NUMBER") };
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}
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export async function verifyCommissionSlip(file: File, amountBaht: number, checkoutCreatedAt: Date) {
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const url = new URL(required("SLIP2GO_VERIFY_URL"));
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if (url.protocol !== "https:") throw new HttpError(503, "invalid-slip2go-url");
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const { identifier, receiverNumber } = promptPayConfig();
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const form = new FormData();
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form.set("file", file);
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form.set("payload", JSON.stringify({
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checkDuplicate: true,
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checkReceiver: [{
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accountType: { mobile: "02001", nationalId: "02003", ewallet: "02004" }[identifier.type],
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accountNumber: receiverNumber,
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}],
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checkAmount: { type: "eq", amount: amountBaht.toFixed(2) },
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}));
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let response: Response;
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try {
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response = await fetch(url, { method: "POST", headers: { Authorization: `Bearer ${required("SLIP2GO_API_SECRET")}` },
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body: form, signal: AbortSignal.timeout(15000), cache: "no-store" });
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} catch {
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throw new HttpError(503, "slip-verification-unavailable");
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}
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const body = slipResponse.safeParse(await response.json().catch(() => null));
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if (!body.success) throw new HttpError(503, "invalid-slip-verification-response");
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const code = body.data.code;
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if (response.status >= 500 || response.status === 401 || code.startsWith("401") ||
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code === "400400" || code === "200502")
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throw new HttpError(503, `slip2go-service:${code}`);
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if (!response.ok || code !== "200200")
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throw new HttpError(422, `slip-rejected:${code}`);
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const parsedSlip = verifiedSlip.safeParse(body.data.data);
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if (!parsedSlip.success) {
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const field = parsedSlip.error.issues[0]?.path[0] ?? "data";
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throw new HttpError(503, `invalid-slip-verification-response:${String(field)}`);
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}
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const slip = parsedSlip.data;
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if (slip.amount !== amountBaht ||
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Date.parse(slip.dateTime) < checkoutCreatedAt.getTime() - 120000 ||
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Date.parse(slip.dateTime) > Date.now() + 120000)
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throw new HttpError(422, "slip-amount-or-date-mismatch");
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return { referenceId: slip.referenceId, transRef: slip.transRef, amountBaht,
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transferredAt: new Date(slip.dateTime), providerData: body.data as Record<string, unknown> };
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}
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