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MetaLab/internal/config/config.go
Victor_Jay 213b2a571e feat: 登录管理设备列表显示会话类型和剩余有效期
- 临时会话显示橙色'临时会话'徽章
- 非当前设备显示剩余有效时间(临时/长期均显示)
- 当前设备不显示剩余时间(持续续期,显示无意义)
- 新增 formatTTL 模板函数,分钟数转人类可读格式
- sessionConfig 接口增加 GetRememberTimeout 方法
2026-05-31 00:36:25 +08:00

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package config
import (
"bufio"
"log"
"os"
"strings"
"github.com/spf13/viper"
)
// Config 应用总配置
type Config struct {
Server ServerConfig `mapstructure:"server"`
Database DatabaseConfig `mapstructure:"database"`
Session SessionConfig `mapstructure:"session"`
Bcrypt BcryptConfig `mapstructure:"bcrypt"`
Roles RolesConfig `mapstructure:"roles"`
Audit AuditConfig `mapstructure:"audit"`
}
// AuditConfig 审核系统配置config.yaml 提供默认值,站点设置可运行时覆盖)
type AuditConfig struct {
Enabled bool `mapstructure:"enabled"`
UsernameAudit bool `mapstructure:"username_audit"`
AvatarAudit bool `mapstructure:"avatar_audit"`
BioAudit bool `mapstructure:"bio_audit"`
}
type ServerConfig struct {
Port string `mapstructure:"port"`
Mode string `mapstructure:"mode"`
}
type DatabaseConfig struct {
Host string `mapstructure:"host"`
Port string `mapstructure:"port"`
User string `mapstructure:"user"`
Password string `mapstructure:"password"`
DBName string `mapstructure:"dbname"`
SSLMode string `mapstructure:"sslmode"`
}
// SessionConfig 服务端会话配置
type SessionConfig struct {
IdleTimeout int `mapstructure:"idle_timeout"` // 不记住我:空闲超时(分钟),默认 144024小时
RememberTimeout int `mapstructure:"remember_timeout"` // 记住我:空闲超时(分钟),默认 4320030天
CleanupInterval int `mapstructure:"cleanup_interval"` // 后台清理间隔(秒),默认 300
}
type BcryptConfig struct {
Cost int `mapstructure:"cost"`
}
// RolesConfig 角色配置(可扩展,新增角色只需改 config.yaml
type RolesConfig struct {
Levels map[string]int `mapstructure:"levels"`
Names map[string]string `mapstructure:"names"`
Permissions RolesPermissions `mapstructure:"permissions"`
}
// RolesPermissions 角色间操作权限
type RolesPermissions struct {
OperableRoles map[string][]string `mapstructure:"operable_roles"`
}
// 全局配置实例(初始化后只读)
var App *Config
// Load 加载配置config.yaml → .env 覆盖
func Load(configPath string) *Config {
// 1. 从 .env 加载环境变量(优先于 config.yaml
loadEnvFile(".env")
v := viper.New()
// 2. 读取 config.yaml
v.SetConfigFile(configPath)
v.SetConfigType("yaml")
if err := v.ReadInConfig(); err != nil {
log.Fatalf("读取配置文件失败: %v", err)
}
// 3. 环境变量覆盖DATABASE_PASSWORD → database.password
v.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
v.AutomaticEnv()
bindEnvOverride(v)
c := &Config{}
if err := v.Unmarshal(c); err != nil {
log.Fatalf("解析配置失败: %v", err)
}
log.Printf("[Config] Session.IdleTimeout=%d min Session.RememberTimeout=%d min Session.CleanupInterval=%d s | Server.Mode=%s",
c.Session.IdleTimeout, c.Session.RememberTimeout, c.Session.CleanupInterval, c.Server.Mode)
App = c
return c
}
// loadEnvFile 读取 .env 文件并设置环境变量(仅当环境变量未设置时)
func loadEnvFile(path string) {
f, err := os.Open(path)
if err != nil {
return // .env 不存在,跳过
}
defer f.Close()
scanner := bufio.NewScanner(f)
for scanner.Scan() {
line := strings.TrimSpace(scanner.Text())
if line == "" || strings.HasPrefix(line, "#") {
continue
}
parts := strings.SplitN(line, "=", 2)
if len(parts) != 2 {
continue
}
key := strings.TrimSpace(parts[0])
val := strings.TrimSpace(parts[1])
if os.Getenv(key) == "" {
os.Setenv(key, val)
}
}
}
// bindEnvOverride 将环境变量映射到 config 的嵌套键
func bindEnvOverride(v *viper.Viper) {
_ = v.BindEnv("database.password", "DATABASE_PASSWORD")
}
// GetIdleTimeout 返回临时会话空闲超时(分钟),实现 controller.sessionConfig 接口
func (c *Config) GetIdleTimeout() int {
return c.Session.IdleTimeout
}
// GetRememberTimeout 返回记住我会话空闲超时(分钟)
func (c *Config) GetRememberTimeout() int {
return c.Session.RememberTimeout
}
// DSN 返回 PostgreSQL 连接字符串
func (d DatabaseConfig) DSN() string {
return "host=" + d.Host +
" port=" + d.Port +
" user=" + d.User +
" password=" + d.Password +
" dbname=" + d.DBName +
" sslmode=" + d.SSLMode
}