95 lines
2.9 KiB
TypeScript
95 lines
2.9 KiB
TypeScript
import { NextRequest, NextResponse } from "next/server";
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import {
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applyAuthResponseCookies,
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buildBackendRequestHeaders,
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requireBackendPaymentAuth,
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} from "@/lib/backend-auth";
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import {
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buildProxyExceptionResponse,
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buildUpstreamErrorResponse,
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} from "@/lib/api-proxy";
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import {
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requireTurnstileForRequest,
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stripTurnstileToken,
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} from "@/lib/turnstile";
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const API_BASE = process.env.POLYWEATHER_API_BASE_URL;
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function looksLikeHtmlDocument(value: string) {
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const text = String(value || "").trim().toLowerCase();
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return (
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text.startsWith("<!doctype html") ||
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text.startsWith("<html") ||
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/<title>[^<]*(50\d|cloudflare|polyweather\.top)/i.test(String(value || ""))
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);
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}
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function submitErrorMessage(raw: string) {
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try {
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const parsed = JSON.parse(String(raw || "")) as {
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detail?: unknown;
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error?: unknown;
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message?: unknown;
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};
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const message = [parsed.detail, parsed.error, parsed.message].find(
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(item) => typeof item === "string" && item.trim(),
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);
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if (typeof message === "string") {
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const trimmed = message.trim();
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if (!looksLikeHtmlDocument(trimmed)) return trimmed.slice(0, 350);
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}
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} catch {
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// Non-JSON upstream errors are commonly HTML 50x pages; do not expose them.
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}
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return "Payment submit upstream failed";
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}
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export async function POST(
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req: NextRequest,
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context: { params: Promise<{ intentId: string }> },
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) {
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if (!API_BASE) {
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return NextResponse.json(
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{ error: "POLYWEATHER_API_BASE_URL is not configured" },
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{ status: 500 },
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);
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}
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const { intentId } = await context.params;
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try {
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const body = await req.json();
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if (process.env.POLYWEATHER_TURNSTILE_REQUIRE_PAYMENT_SUBMIT === "true") {
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const turnstileError = await requireTurnstileForRequest(req, "payment_tx_submit", body);
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if (turnstileError) return turnstileError;
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}
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const auth = await buildBackendRequestHeaders(req);
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const authError = requireBackendPaymentAuth(auth);
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if (authError) return authError;
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const proxiedHeaders = new Headers(auth.headers);
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proxiedHeaders.set("Content-Type", "application/json");
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const res = await fetch(
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`${API_BASE}/api/payments/intents/${encodeURIComponent(intentId)}/submit`,
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{
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method: "POST",
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headers: proxiedHeaders,
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body: JSON.stringify(stripTurnstileToken(body ?? {})),
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cache: "no-store",
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},
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);
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if (!res.ok) {
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const raw = await res.text();
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const response = buildUpstreamErrorResponse(res.status, raw, {
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detailLimit: 350,
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error: submitErrorMessage(raw),
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});
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return applyAuthResponseCookies(response, auth.response);
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}
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const data = await res.json();
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const response = NextResponse.json(data);
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return applyAuthResponseCookies(response, auth.response);
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} catch (error) {
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return buildProxyExceptionResponse(error, {
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publicMessage: "Failed to submit payment tx",
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});
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}
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}
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