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sub2apipay/src/lib/config.ts

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import { z } from 'zod';
import fs from 'fs';
const optionalTrimmedString = z.preprocess((value) => {
if (typeof value !== 'string') return value;
const trimmed = value.trim();
return trimmed === '' ? undefined : trimmed;
}, z.string().optional());
const envSchema = z.object({
DATABASE_URL: z.string().min(1),
SUB2API_BASE_URL: z.string().url(),
SUB2API_ADMIN_API_KEY: z.string().min(1),
// ── 支付服务商显式声明启用哪些服务商逗号分隔easypay, alipay, wxpay, stripe ──
PAYMENT_PROVIDERS: z
.string()
.default('')
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.transform((v) =>
v
.split(',')
.map((s) => s.trim().toLowerCase())
.filter(Boolean),
),
// ── Easy-PayPAYMENT_PROVIDERS 含 easypay 时必填) ──
EASY_PAY_PID: optionalTrimmedString,
EASY_PAY_PKEY: optionalTrimmedString,
EASY_PAY_API_BASE: optionalTrimmedString,
EASY_PAY_NOTIFY_URL: optionalTrimmedString,
EASY_PAY_RETURN_URL: optionalTrimmedString,
EASY_PAY_CID: optionalTrimmedString,
EASY_PAY_CID_ALIPAY: optionalTrimmedString,
EASY_PAY_CID_WXPAY: optionalTrimmedString,
// ── 支付宝直连PAYMENT_PROVIDERS 含 alipay 时必填) ──
// 支持直接传密钥内容,也支持传文件路径(自动读取)
ALIPAY_APP_ID: optionalTrimmedString,
ALIPAY_PRIVATE_KEY: optionalTrimmedString,
ALIPAY_PUBLIC_KEY: optionalTrimmedString,
ALIPAY_NOTIFY_URL: optionalTrimmedString,
ALIPAY_RETURN_URL: optionalTrimmedString,
// ── 微信支付直连PAYMENT_PROVIDERS 含 wxpay 时必填) ──
WXPAY_APP_ID: optionalTrimmedString,
WXPAY_MCH_ID: optionalTrimmedString,
WXPAY_PRIVATE_KEY: optionalTrimmedString,
WXPAY_CERT_SERIAL: optionalTrimmedString,
WXPAY_API_V3_KEY: optionalTrimmedString,
WXPAY_NOTIFY_URL: optionalTrimmedString,
WXPAY_PUBLIC_KEY: optionalTrimmedString,
WXPAY_PUBLIC_KEY_ID: optionalTrimmedString,
// ── StripePAYMENT_PROVIDERS 含 stripe 时必填) ──
STRIPE_SECRET_KEY: optionalTrimmedString,
STRIPE_PUBLISHABLE_KEY: optionalTrimmedString,
STRIPE_WEBHOOK_SECRET: optionalTrimmedString,
ORDER_TIMEOUT_MINUTES: z.string().default('5').transform(Number).pipe(z.number().int().positive()),
MIN_RECHARGE_AMOUNT: z.string().default('1').transform(Number).pipe(z.number().positive()),
MAX_RECHARGE_AMOUNT: z.string().default('1000').transform(Number).pipe(z.number().positive()),
// 每日每用户最大累计充值额0 = 不限制
MAX_DAILY_RECHARGE_AMOUNT: z.string().default('10000').transform(Number).pipe(z.number().min(0)),
// 每日各渠道全平台总限额可选覆盖0 = 不限制)。
// 未设置时由各 PaymentProvider.defaultLimits 提供默认值。
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MAX_DAILY_AMOUNT_ALIPAY: z
.string()
.optional()
.transform((v) => (v !== undefined ? Number(v) : undefined))
.pipe(z.number().min(0).optional()),
MAX_DAILY_AMOUNT_ALIPAY_DIRECT: z
.string()
.optional()
.transform((v) => (v !== undefined ? Number(v) : undefined))
.pipe(z.number().min(0).optional()),
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MAX_DAILY_AMOUNT_WXPAY: z
.string()
.optional()
.transform((v) => (v !== undefined ? Number(v) : undefined))
.pipe(z.number().min(0).optional()),
MAX_DAILY_AMOUNT_STRIPE: z
.string()
.optional()
.transform((v) => (v !== undefined ? Number(v) : undefined))
.pipe(z.number().min(0).optional()),
PRODUCT_NAME: z.string().default('Sub2API Balance Recharge'),
ADMIN_TOKEN: z.string().min(16),
NEXT_PUBLIC_APP_URL: z.string().url(),
PAY_HELP_IMAGE_URL: optionalTrimmedString,
PAY_HELP_TEXT: optionalTrimmedString,
// ── 支付方式前端描述sublabel覆盖不设置则使用默认值 ──
PAYMENT_SUBLABEL_ALIPAY: optionalTrimmedString,
PAYMENT_SUBLABEL_ALIPAY_DIRECT: optionalTrimmedString,
PAYMENT_SUBLABEL_WXPAY: optionalTrimmedString,
PAYMENT_SUBLABEL_WXPAY_DIRECT: optionalTrimmedString,
PAYMENT_SUBLABEL_STRIPE: optionalTrimmedString,
});
export type Env = z.infer<typeof envSchema>;
let cachedEnv: Env | null = null;
/**
*
*
*/
function resolveKeyValue(value: string | undefined): string | undefined {
if (!value) return undefined;
// 密钥内容不会以 / 或盘符开头,文件路径才会
if ((value.startsWith('/') || /^[A-Za-z]:[/\\]/.test(value)) && fs.existsSync(value)) {
try {
return fs.readFileSync(value, 'utf-8').trim();
} catch (err) {
throw new Error(`Failed to read key file ${value}: ${(err as Error).message}`);
}
}
return value;
}
export function getEnv(): Env {
if (cachedEnv) return cachedEnv;
const parsed = envSchema.safeParse(process.env);
if (!parsed.success) {
console.error('Invalid environment variables:', parsed.error.flatten().fieldErrors);
throw new Error('Invalid environment variables');
}
const env = parsed.data;
// 支付宝密钥:支持直接传内容或传文件路径
env.ALIPAY_PRIVATE_KEY = resolveKeyValue(env.ALIPAY_PRIVATE_KEY);
env.ALIPAY_PUBLIC_KEY = resolveKeyValue(env.ALIPAY_PUBLIC_KEY);
// 微信支付密钥:支持直接传内容或传文件路径
env.WXPAY_PRIVATE_KEY = resolveKeyValue(env.WXPAY_PRIVATE_KEY);
env.WXPAY_PUBLIC_KEY = resolveKeyValue(env.WXPAY_PUBLIC_KEY);
cachedEnv = env;
return cachedEnv;
}