dsh
5eb9bc2c71
- 新增 internal/outbound 模块：MX 查询、SMTP 出站客户端（EHLO/STARTTLS/ MAIL/RCPT/DATA/QUIT）、4xx 临时失败与 5xx 永久失败分类、8BITMIME 支持 - 新增 outbound_messages 队列表与 OutboundStore，后台 worker 指数退避重试 - 永久失败/超限退信到发件人收件箱，包含原因与目标收件人 - 外发邮件使用域名 DKIM 私钥签名（go-msgauth） - SMTP 提交集成：认证用户可发外部收件人，MAIL FROM 必须等于登录用户邮箱， 未认证外部投递明确拒绝（防开放中继） - Web 发信集成：外部收件人自动入队，附件以 multipart/mixed + base64 编码 加入邮件正文 - 每用户每分钟/每日发送限速（max_per_day=0 可禁用外部投递） - 管理后台新增外发队列页面：状态统计、失败原因、手动重试/取消 - 新增 [outbound] 配置段并更新 README / todo.md
55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
package db
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import (
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"fmt"
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"os"
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"path/filepath"
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"mail_go/config"
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"gorm.io/driver/mysql"
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"gorm.io/driver/sqlite"
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"gorm.io/gorm"
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"gorm.io/gorm/logger"
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)
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// InitDB initializes the database connection and performs auto-migration.
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// It selects the appropriate driver based on cfg.Driver and resolves
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// the DSN path for SQLite relative to the storage base directory.
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func InitDB(cfg config.DatabaseConfig, storageCfg config.StorageConfig) (*gorm.DB, error) {
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var dialector gorm.Dialector
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switch cfg.Driver {
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case "sqlite":
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dsn := cfg.DSN
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// If the DSN is the default relative path, prepend the storage base directory
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if dsn == config.DefaultDSNWin || dsn == config.DefaultDSNLinux {
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dsn = filepath.Join(storageCfg.BaseDir, "mail.db")
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}
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// Ensure the parent directory exists for SQLite
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dir := filepath.Dir(dsn)
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if err := os.MkdirAll(dir, 0755); err != nil {
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return nil, fmt.Errorf("创建数据库目录失败 %s: %w", dir, err)
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}
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dialector = sqlite.Open(dsn)
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case "mysql":
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dialector = mysql.Open(cfg.DSN)
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default:
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return nil, fmt.Errorf("不支持的数据库驱动: %s", cfg.Driver)
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}
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db, err := gorm.Open(dialector, &gorm.Config{
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Logger: logger.Default.LogMode(logger.Warn),
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})
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if err != nil {
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return nil, fmt.Errorf("连接数据库失败: %w", err)
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}
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// Auto-migrate all models
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if err := db.AutoMigrate(&User{}, &Domain{}, &Message{}, &Attachment{}, &BanEntry{}, &OutboundMessage{}); err != nil {
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return nil, fmt.Errorf("数据库迁移失败: %w", err)
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}
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return db, nil
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}
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