324 lines
13 KiB
TypeScript
324 lines
13 KiB
TypeScript
/**
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* nomadvip 支付 API - 参考 digital
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* PC: 二维码 | H5: 302 跳转 | 微信内: 收银台表单
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*/
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import { NextRequest, NextResponse } from "next/server";
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import { getPaymentConfig } from "@/config/services.config";
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const ZPAY_REQUIRED = ["pid", "type", "out_trade_no", "notify_url", "return_url", "name", "money", "sign", "sign_type"];
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function escapeAttr(s: string): string {
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return String(s)
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.replace(/&/g, "&")
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.replace(/"/g, """)
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.replace(/</g, "<")
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.replace(/>/g, ">");
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}
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function buildErrorHtml(errorMsg: string): string {
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const esc = (s: string) =>
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s.replace(/[&<>"']/g, (c) => ({ "&": "&", "<": "<", ">": ">", '"': """, "'": "'" })[c] || c);
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return `<!DOCTYPE html><html><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>支付失败</title><style>body{font-family:system-ui;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;margin:0;background:#f0f4f8;}h2{color:#dc2626;margin-bottom:12px;}p{color:#64748b;margin-bottom:20px;text-align:center;padding:0 20px;}a{color:#2563eb;text-decoration:none;font-weight:500;}a:hover{text-decoration:underline;}</style></head><body><h2>支付发起失败</h2><p>${esc(errorMsg)}</p><p><a href="/">返回首页重试</a></p></body></html>`;
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}
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function buildPayHtml(
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payUrl: string,
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params: Record<string, unknown>,
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options?: { directToCashier?: boolean }
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): string {
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const flat: Record<string, string> = {};
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for (const [k, v] of Object.entries(params)) {
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if (v == null) continue;
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const s = String(v).trim();
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if (s === "") continue;
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flat[k] = s;
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}
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const inputs = Object.entries(flat)
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.map(([k, v]) => `<input type="hidden" name="${escapeAttr(k)}" value="${escapeAttr(v)}" />`)
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.join("\n");
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const direct = options?.directToCashier;
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// 微信内：显示加载提示，避免 visibility:hidden 导致部分 WebView 表单提交异常
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return direct
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? `<!DOCTYPE html><html><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>支付</title><style>body{font-family:system-ui;display:flex;justify-content:center;align-items:center;min-height:100vh;margin:0;background:#f0f4f8;}p{color:#64748b;}</style></head><body><p>正在跳转至微信支付...</p><form id="f" action="${escapeAttr(payUrl)}" method="POST" enctype="application/x-www-form-urlencoded">${inputs}</form><script>document.getElementById("f").submit()</script></body></html>`
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: `<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width,initial-scale=1">
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<title>跳转支付...</title>
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<style>body{font-family:system-ui;display:flex;justify-content:center;align-items:center;min-height:100vh;margin:0;background:#f0f4f8;}p{color:#64748b;}</style>
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</head>
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<body>
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<p>正在跳转到支付页面...</p>
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<form id="zpayForm" action="${escapeAttr(payUrl)}" method="POST" enctype="application/x-www-form-urlencoded">
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${inputs}
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</form>
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<script>document.getElementById("zpayForm").submit();</script>
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</body>
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</html>`;
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}
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function setPayOrderCookie(res: NextResponse, orderId: string) {
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res.cookies.set("nomadvip_pay_order", `${orderId}|${Date.now()}`, { path: "/", maxAge: 900 });
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}
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async function createPayOrder(
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apiUrl: string,
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user_id: string,
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return_url: string,
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total_fee: number,
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type: string,
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channel: string,
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clientIp?: string
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) {
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const payload: Record<string, unknown> = {
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user_id,
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total_fee,
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type,
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channel,
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return_url,
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...(clientIp && { client_ip: clientIp }),
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};
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const controller = new AbortController();
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const timeout = setTimeout(() => controller.abort(), 15000);
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const res = await fetch(`${apiUrl}/nomadvip/payh5`, {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify(payload),
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signal: controller.signal,
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}).finally(() => clearTimeout(timeout));
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const data = await res.json().catch(() => ({}));
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if (!res.ok || data?.status !== "ok") {
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throw new Error(data?.detail || data?.msg || "支付创建失败");
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}
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const params = data.params || {};
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if (!params || typeof params !== "object") {
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throw new Error("payjsapi 未返回支付参数");
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}
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return { params: params as Record<string, string>, payUrl: data.pay_url || "" };
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}
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export async function POST(request: NextRequest) {
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try {
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let body: Record<string, string | number>;
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const contentType = request.headers.get("content-type") || "";
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if (contentType.includes("application/json")) {
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body = (await request.json()) as Record<string, string | number>;
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} else {
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const form = await request.formData();
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body = Object.fromEntries(form.entries()) as Record<string, string>;
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}
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const payConfig = getPaymentConfig();
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const apiUrl = payConfig.apiUrl.replace(/\/$/, "");
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let user_id = String(body?.user_id || "").trim();
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if (user_id.startsWith("{") && user_id.includes("data")) {
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try {
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const parsed = JSON.parse(user_id) as { data?: string };
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if (parsed?.data) user_id = String(parsed.data).trim();
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} catch {
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/* ignore */
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}
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}
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const return_url = String(body?.return_url || "").trim();
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const total_fee = Number(body?.total_fee) || 8800;
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const type = String(body?.type || "vip");
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const channel = String(body?.channel || "wxpay");
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const device = String(body?.device || "pc");
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if (!user_id) {
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if (wantHtml) {
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return new NextResponse(buildErrorHtml("缺少 user_id"), {
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status: 400,
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headers: { "Content-Type": "text/html; charset=utf-8" },
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});
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}
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return NextResponse.json({ ok: false, error: "缺少 user_id" }, { status: 400 });
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}
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const origin =
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request.headers.get("x-forwarded-host")
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? `${request.headers.get("x-forwarded-proto") || "https"}://${request.headers.get("x-forwarded-host")}`
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: request.headers.get("origin") || "http://localhost:3000";
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const finalReturnUrl = return_url || `${origin}/paid`;
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const accept = request.headers.get("accept") || "";
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const wantHtml = String(body?.html) === "1" || accept.includes("text/html");
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if (!wantHtml) {
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return NextResponse.json({ ok: false, error: "请传 html=1" }, { status: 400 });
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}
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const clientIp =
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request.headers.get("x-forwarded-for")?.split(",")[0]?.trim() ||
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request.headers.get("x-real-ip") ||
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"";
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const { params } = await createPayOrder(
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apiUrl,
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user_id,
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finalReturnUrl,
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total_fee,
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type,
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channel,
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clientIp
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);
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if (!params || Object.keys(params).length === 0) {
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if (wantHtml) {
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return new NextResponse(buildErrorHtml("支付参数为空"), {
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status: 500,
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headers: { "Content-Type": "text/html; charset=utf-8" },
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});
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}
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return NextResponse.json({ ok: false, error: "支付参数为空" }, { status: 500 });
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}
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const redirectPayload = {
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user_id,
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total_fee,
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type,
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channel,
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return_url: finalReturnUrl,
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device,
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...(clientIp && { client_ip: clientIp }),
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};
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const controller = new AbortController();
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const timeout = setTimeout(() => controller.abort(), 45000);
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const redirectRes = await fetch(`${apiUrl}/nomadvip/payh5/redirect`, {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify(redirectPayload),
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redirect: "manual",
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signal: controller.signal,
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}).finally(() => clearTimeout(timeout));
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if (redirectRes.status >= 301 && redirectRes.status <= 308) {
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const location = redirectRes.headers.get("location");
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if (location) {
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const res = NextResponse.redirect(location);
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const orderId =
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redirectRes.headers.get("x-pay-order-id")?.trim() ||
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String(params?.out_trade_no || "").trim();
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if (orderId) setPayOrderCookie(res, orderId);
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return res;
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}
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}
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const resData = await redirectRes.json().catch(() => ({}));
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if (redirectRes.status === 200 && resData?.use_form) {
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const orderId = String(params?.out_trade_no || "").trim();
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const html = buildPayHtml(payConfig.zpaySubmitUrl, params as Record<string, unknown>, {
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directToCashier: device === "wechat",
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});
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const res = new NextResponse(html, {
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status: 200,
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headers: { "Content-Type": "text/html; charset=utf-8" },
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});
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if (orderId) setPayOrderCookie(res, orderId);
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return res;
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}
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if (redirectRes.status === 200 && resData?.qrcode_mode && resData?.img) {
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const returnUrl = String(resData.return_url || finalReturnUrl).replace(
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/[&<>"']/g,
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(c) => ({ "&": "&", "<": "<", ">": ">", '"': """, "'": "'" })[c] || c
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);
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const imgSrc = String(resData.img).replace(
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/[&<>"']/g,
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(c) => ({ "&": "&", "<": "<", ">": ">", '"': """, "'": "'" })[c] || c
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);
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const orderId = String(resData.order_id || "").replace(
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/[&<>"']/g,
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(c) => ({ "&": "&", "<": "<", ">": ">", '"': """, "'": "'" })[c] || c
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);
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const ch = String(resData.channel || "alipay").toLowerCase();
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const isWx = ch === "wxpay" || ch === "wx" || ch === "wechat";
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const title = isWx ? "微信扫码支付" : "支付宝扫码支付";
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const hint = isWx ? "请使用微信扫描下方二维码完成支付" : "请使用支付宝扫描下方二维码完成支付";
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const esc = (s: string) =>
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s.replace(/[&<>"']/g, (c) => ({ "&": "&", "<": "<", ">": ">", '"': """, "'": "'" })[c] || c);
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const html = `<!DOCTYPE html>
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<html><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1">
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<title>${esc(title)}</title>
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<style>body{font-family:system-ui;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;margin:0;background:#f0f4f8;}h2{color:#333;margin-bottom:8px;}p{color:#64748b;font-size:14px;}img{width:220px;height:220px;margin:20px 0;border:1px solid #e2e8f0;border-radius:8px;background:#fff;}.tip{font-size:12px;color:#94a3b8;margin-top:8px;}</style></head>
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<body>
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<h2>${esc(title)}</h2>
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<p>${esc(hint)}</p>
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<img src="${imgSrc}" alt="支付二维码" />
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<p class="tip" id="tip">支付成功后将自动跳转，1 分钟内未支付将返回首页</p>
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<script>
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(function(){
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var orderId="${orderId}";
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var returnUrl="${returnUrl}";
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if(!orderId){return;}
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var tip=document.getElementById("tip");
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var t=0;
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var maxT=30;
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function check(){
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t++;
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if(t>maxT){tip.textContent="支付超时，返回首页";window.location.href="/";return;}
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fetch("/api/pay/status?order_id="+encodeURIComponent(orderId))
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.then(function(r){return r.json();})
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.then(function(d){
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if(d.ok&&d.paid){window.location.href=returnUrl;return;}
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setTimeout(check,2000);
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})
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.catch(function(){setTimeout(check,2000);});
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}
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setTimeout(check,2000);
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})();
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</script>
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</body></html>`;
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const res = new NextResponse(html, {
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status: 200,
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headers: { "Content-Type": "text/html; charset=utf-8" },
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});
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if (orderId) setPayOrderCookie(res, orderId);
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return res;
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}
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if (redirectRes.status === 400 || redirectRes.status === 500) {
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const errMsg = resData?.detail || resData?.msg || "支付跳转失败";
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if (wantHtml) {
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return new NextResponse(buildErrorHtml(errMsg), {
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status: redirectRes.status,
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headers: { "Content-Type": "text/html; charset=utf-8" },
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});
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}
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return NextResponse.json({ ok: false, error: errMsg }, { status: redirectRes.status });
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}
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const createFailMsg = "支付创建失败";
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if (wantHtml) {
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return new NextResponse(buildErrorHtml(createFailMsg), {
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status: 500,
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headers: { "Content-Type": "text/html; charset=utf-8" },
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});
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}
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return NextResponse.json({ ok: false, error: createFailMsg }, { status: 500 });
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} catch (e) {
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const err = e instanceof Error ? e : new Error(String(e));
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const msg = err.message || "";
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const hint =
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msg.includes("fetch") || msg.includes("ECONNREFUSED")
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? "请确认 payjsapi 已启动"
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: err.name === "AbortError"
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? "请求超时"
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: msg;
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console.error("Pay API error:", err);
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const errorMsg = `支付请求失败: ${hint}`;
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const ct = request.headers.get("content-type") || "";
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const isForm = ct.includes("form") || ct.includes("x-www-form-urlencoded");
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if (isForm) {
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return new NextResponse(buildErrorHtml(errorMsg), {
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status: 500,
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headers: { "Content-Type": "text/html; charset=utf-8" },
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});
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}
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return NextResponse.json({ ok: false, error: errorMsg }, { status: 500 });
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}
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}
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