wangjia
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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
93 lines
3.3 KiB
Go
93 lines
3.3 KiB
Go
package config
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import (
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"log"
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"strings"
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"github.com/spf13/viper"
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)
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type Config struct {
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Server ServerConfig
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Database DatabaseConfig
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JWT JWTConfig
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License LicenseConfig
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Storage StorageConfig
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}
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type ServerConfig struct {
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Port string `mapstructure:"port"`
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Mode string `mapstructure:"mode"` // debug | release
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CORSOrigin string `mapstructure:"cors_origin"` // 允许的 CORS 来源，生产设为具体域名
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}
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type DatabaseConfig struct {
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DSN string `mapstructure:"dsn"`
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MaxIdleConns int `mapstructure:"max_idle_conns"`
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MaxOpenConns int `mapstructure:"max_open_conns"`
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}
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type JWTConfig struct {
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Secret string `mapstructure:"secret"`
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AccessExpireMin int `mapstructure:"access_expire_min"` // Access Token 有效分钟数
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RefreshExpireH int `mapstructure:"refresh_expire_h"` // Refresh Token 有效小时数
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}
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type LicenseConfig struct {
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HMACSecret string `mapstructure:"hmac_secret"` // legacy, kept for backward compat
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Ed25519PublicKey string `mapstructure:"ed25519_public_key"` // base64 Ed25519 public key for token verification
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Ed25519PrivateKey string `mapstructure:"ed25519_private_key"` // base64 Ed25519 private key for token signing (keep in Bitwarden)
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}
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type StorageConfig struct {
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UploadDir string `mapstructure:"upload_dir"`
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BaseURL string `mapstructure:"base_url"`
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PublicURL string `mapstructure:"public_url"` // 商品公开页基础 URL，用于生成二维码
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WebDir string `mapstructure:"web_dir"` // Flutter web 构建产物目录，用于 OG 标签注入
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}
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var C Config
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func Load() {
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viper.SetConfigName("config")
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viper.SetConfigType("yaml")
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viper.AddConfigPath(".")
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viper.AddConfigPath("./config")
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// 环境变量覆盖（生产部署时使用）
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viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
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viper.AutomaticEnv()
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// 显式绑定没有默认值的 key，确保 AutomaticEnv 能找到对应 env var
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_ = viper.BindEnv("database.dsn", "DATABASE_DSN")
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_ = viper.BindEnv("jwt.secret", "JWT_SECRET")
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_ = viper.BindEnv("license.hmac_secret", "LICENSE_HMAC_SECRET")
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_ = viper.BindEnv("license.ed25519_public_key", "LICENSE_ED25519_PUBLIC_KEY")
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_ = viper.BindEnv("license.ed25519_private_key", "LICENSE_ED25519_PRIVATE_KEY")
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_ = viper.BindEnv("storage.upload_dir", "STORAGE_UPLOAD_DIR")
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_ = viper.BindEnv("storage.base_url", "STORAGE_BASE_URL")
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_ = viper.BindEnv("storage.public_url", "STORAGE_PUBLIC_URL")
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_ = viper.BindEnv("storage.web_dir", "STORAGE_WEB_DIR")
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// 默认值
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viper.SetDefault("server.port", "8080")
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viper.SetDefault("server.mode", "debug")
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viper.SetDefault("server.cors_origin", "*")
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viper.SetDefault("jwt.access_expire_min", 60)
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viper.SetDefault("jwt.refresh_expire_h", 168) // 7天
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viper.SetDefault("database.max_idle_conns", 10)
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viper.SetDefault("database.max_open_conns", 100)
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viper.SetDefault("storage.upload_dir", "./uploads/images")
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viper.SetDefault("storage.base_url", "http://localhost:8080/images")
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viper.SetDefault("storage.public_url", "http://localhost:8081")
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viper.SetDefault("storage.web_dir", "./web")
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if err := viper.ReadInConfig(); err != nil {
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log.Println("[config] no config file found, using defaults and env vars")
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}
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if err := viper.Unmarshal(&C); err != nil {
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log.Fatalf("[config] failed to unmarshal config: %v", err)
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}
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}
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