257 lines
7.8 KiB
Go
257 lines
7.8 KiB
Go
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package config
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import (
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"github.com/joho/godotenv"
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)
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// Config 应用配置（从环境变量读取，启动时加载 .env）
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type Config struct {
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Port string
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Mode string
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DBDSN string
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TrustedProxies []string
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CORSOrigins []string
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Version string // APP_VERSION，打包/部署前写在 .env，/health 返回
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// 统一 API 域名字段：支付回调、转账回调、apiDomain 等均由 BaseURL 拼接
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BaseURL string // API_BASE_URL，如 https://soulapi.quwanzhi.com（无尾部斜杠）
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// 微信小程序配置
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WechatAppID string
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WechatAppSecret string
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WechatMchID string
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WechatMchKey string
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WechatNotifyURL string // 由 BaseURL + /api/miniprogram/pay/notify 派生
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WechatMiniProgramState string // 订阅消息跳转版本：developer/formal，从 .env WECHAT_MINI_PROGRAM_STATE 读取
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// 微信转账配置（API v3）
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WechatAPIv3Key string
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WechatCertPath string
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WechatKeyPath string
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WechatSerialNo string
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WechatTransferURL string // 由 BaseURL + /api/payment/wechat/transfer/notify 派生
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// 管理端登录（与 next-project 一致：ADMIN_USERNAME / ADMIN_PASSWORD / ADMIN_SESSION_SECRET）
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AdminUsername string
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AdminPassword string
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AdminSessionSecret string
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// 订单对账定时任务间隔（分钟），0 表示不启动内置定时任务
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SyncOrdersIntervalMinutes int
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}
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// BaseURLJoin 将路径拼接到 BaseURL，path 应以 / 开头
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func (c *Config) BaseURLJoin(path string) string {
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base := strings.TrimSuffix(c.BaseURL, "/")
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if base == "" {
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return ""
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}
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p := strings.TrimSpace(path)
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if p != "" && p[0] != '/' {
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p = "/" + p
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}
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return base + p
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}
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// 默认 CORS 允许的源（零配置：不设环境变量也能用）
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var defaultCORSOrigins = []string{
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"http://localhost:5174",
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"http://127.0.0.1:5174",
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"https://soul.quwanzhi.com",
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"http://soul.quwanzhi.com",
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"https://souladmin.quwanzhi.com",
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"http://souladmin.quwanzhi.com",
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}
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// current 由 main 在 Load 后设置，供 handler/middleware 读取
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var current *Config
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// SetCurrent 设置全局配置（main 启动时调用一次）
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func SetCurrent(cfg *Config) { current = cfg }
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// Get 返回当前配置，未设置时返回 nil
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func Get() *Config { return current }
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// parseCORSOrigins 从环境变量 CORS_ORIGINS 读取（逗号分隔），未设置则用默认值
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func parseCORSOrigins() []string {
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s := os.Getenv("CORS_ORIGINS")
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if s == "" {
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return defaultCORSOrigins
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}
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parts := strings.Split(s, ",")
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origins := make([]string, 0, len(parts))
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for _, p := range parts {
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if o := strings.TrimSpace(p); o != "" {
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origins = append(origins, o)
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}
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}
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if len(origins) == 0 {
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return defaultCORSOrigins
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}
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return origins
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}
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// Load 加载配置，端口等从 .env 读取。
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// 环境区分：APP_ENV=development 加载 .env.development，APP_ENV=production 加载 .env.production；
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// air 运行时通过 env_files 或 full_bin 设置 APP_ENV，开发用 .env.development，部署用 .env.production。
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func Load() (*Config, error) {
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workDir, _ := os.Getwd()
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execDir := ""
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if execPath, err := os.Executable(); err == nil {
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execDir = filepath.Dir(execPath)
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}
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loadEnv := func(name string) {
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for _, dir := range []string{execDir, workDir, "."} {
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if dir == "" {
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continue
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}
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p := filepath.Join(dir, name)
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if _, err := os.Stat(p); err == nil {
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_ = godotenv.Load(p)
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break
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}
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}
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}
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overloadEnv := func(name string) {
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for _, dir := range []string{execDir, workDir, "."} {
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if dir == "" {
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continue
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}
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p := filepath.Join(dir, name)
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if _, err := os.Stat(p); err == nil {
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_ = godotenv.Overload(p)
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break
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}
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}
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}
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// 1. 加载 .env 作为基础
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loadEnv(".env")
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// 2. 按 APP_ENV 覆盖（优先读已设置的 APP_ENV，如 air 的 env_files 已注入）
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appEnv := strings.ToLower(strings.TrimSpace(os.Getenv("APP_ENV")))
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if appEnv == "development" {
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overloadEnv(".env.development")
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} else if appEnv == "production" {
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overloadEnv(".env.production")
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}
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port := os.Getenv("PORT")
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if port == "" {
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port = "8080"
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}
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mode := os.Getenv("GIN_MODE")
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if mode == "" {
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mode = "debug"
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}
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dsn := os.Getenv("DB_DSN")
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if dsn == "" {
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dsn = "user:pass@tcp(127.0.0.1:3306)/soul?charset=utf8mb4&parseTime=True"
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}
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version := os.Getenv("APP_VERSION")
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if version == "" {
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version = "0.0.0"
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}
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// 微信配置
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wechatAppID := os.Getenv("WECHAT_APPID")
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if wechatAppID == "" {
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wechatAppID = "wxb8bbb2b10dec74aa" // 默认小程序AppID
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}
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wechatAppSecret := os.Getenv("WECHAT_APPSECRET")
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if wechatAppSecret == "" {
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wechatAppSecret = "3c1fb1f63e6e052222bbcead9d07fe0c" // 默认小程序AppSecret
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}
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wechatMchID := os.Getenv("WECHAT_MCH_ID")
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if wechatMchID == "" {
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wechatMchID = "1318592501" // 默认商户号
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}
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wechatMchKey := os.Getenv("WECHAT_MCH_KEY")
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if wechatMchKey == "" {
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wechatMchKey = "wx3e31b068be59ddc131b068be59ddc2" // 默认API密钥(v2)
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}
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// 统一域名：API_BASE_URL 派生支付/转账回调，可选 WECHAT_NOTIFY_URL 覆盖
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baseURL := strings.TrimSpace(strings.TrimSuffix(os.Getenv("API_BASE_URL"), "/"))
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if baseURL == "" {
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baseURL = "https://soulapi.quwanzhi.com"
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}
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wechatNotifyURL := os.Getenv("WECHAT_NOTIFY_URL")
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if wechatNotifyURL == "" {
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wechatNotifyURL = baseURL + "/api/miniprogram/pay/notify"
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}
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wechatMiniProgramState := strings.TrimSpace(os.Getenv("WECHAT_MINI_PROGRAM_STATE"))
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if wechatMiniProgramState != "developer" && wechatMiniProgramState != "trial" {
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wechatMiniProgramState = "formal" // 默认正式版，避免生成开发版码导致「开发版已过期」
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}
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// 转账配置
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wechatAPIv3Key := os.Getenv("WECHAT_APIV3_KEY")
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if wechatAPIv3Key == "" {
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wechatAPIv3Key = "wx3e31b068be59ddc131b068be59ddc2" // 默认 API v3 密钥
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}
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wechatCertPath := os.Getenv("WECHAT_CERT_PATH")
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if wechatCertPath == "" {
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wechatCertPath = "certs/apiclient_cert.pem" // 默认证书路径
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}
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wechatKeyPath := os.Getenv("WECHAT_KEY_PATH")
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if wechatKeyPath == "" {
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wechatKeyPath = "certs/apiclient_key.pem" // 默认私钥路径
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}
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wechatSerialNo := os.Getenv("WECHAT_SERIAL_NO")
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if wechatSerialNo == "" {
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wechatSerialNo = "4A1DB62CD5C9BE0B6FC51C30621D6F99686E75C5" // 默认证书序列号
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}
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wechatTransferURL := os.Getenv("WECHAT_TRANSFER_URL")
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if wechatTransferURL == "" {
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wechatTransferURL = baseURL + "/api/payment/wechat/transfer/notify"
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}
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adminUsername := os.Getenv("ADMIN_USERNAME")
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if adminUsername == "" {
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adminUsername = "admin"
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}
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adminPassword := os.Getenv("ADMIN_PASSWORD")
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if adminPassword == "" {
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adminPassword = "admin123"
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}
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adminSessionSecret := os.Getenv("ADMIN_SESSION_SECRET")
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if adminSessionSecret == "" {
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adminSessionSecret = "soul-admin-secret-change-in-prod"
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}
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syncOrdersInterval := 5
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if s := os.Getenv("SYNC_ORDERS_INTERVAL_MINUTES"); s != "" {
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if n, e := strconv.Atoi(s); e == nil && n >= 0 {
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syncOrdersInterval = n
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}
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}
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return &Config{
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Port: port,
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Mode: mode,
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DBDSN: dsn,
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TrustedProxies: []string{"127.0.0.1", "::1"},
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CORSOrigins: parseCORSOrigins(),
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Version: version,
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BaseURL: baseURL,
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WechatAppID: wechatAppID,
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WechatAppSecret: wechatAppSecret,
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WechatMchID: wechatMchID,
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WechatMchKey: wechatMchKey,
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WechatNotifyURL: wechatNotifyURL,
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WechatMiniProgramState: wechatMiniProgramState,
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WechatAPIv3Key: wechatAPIv3Key,
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WechatCertPath: wechatCertPath,
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WechatKeyPath: wechatKeyPath,
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WechatSerialNo: wechatSerialNo,
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WechatTransferURL: wechatTransferURL,
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AdminUsername: adminUsername,
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AdminPassword: adminPassword,
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AdminSessionSecret: adminSessionSecret,
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SyncOrdersIntervalMinutes: syncOrdersInterval,
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}, nil
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}
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