refactor(server): decouple services and improve architecture
- Introduce interfaces for all major services (JWT, PostAI, Comment, Message, Notification, QRCodeLogin, Upload, Vote, etc.) to support dependency inversion.
- Move query parameters from `internal/dto` to a new `internal/query` package to separate request payloads from data transfer objects.
- Refactor `internal/router` to use embedded `RouterDeps` for cleaner dependency management.
- Decouple handlers from repositories by injecting services instead of direct repository access, ensuring proper layering.
- Improve database initialization by moving it from `internal/model` to `internal/database`.
- Optimize message decryption by implementing a more efficient `BatchDecrypt` method in `MessageEncryptor` using a worker pool.
- Enhance error handling and security by implementing fail-fast checks for encryption key length during startup.
- Clean up unused code, including the `avatar` package and several unused DTOs.
2026-06-15 03:41:59 +08:00
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package model
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2026-03-09 21:28:58 +08:00
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import (
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"database/sql/driver"
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"encoding/json"
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"time"
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"gorm.io/gorm"
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2026-04-22 16:01:59 +08:00
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"with_you/internal/pkg/crypto"
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2026-03-09 21:28:58 +08:00
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)
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// 系统消息相关常量
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const (
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// SystemSenderID 系统消息发送者ID (类似QQ 10000)
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SystemSenderID int64 = 10000
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// SystemSenderIDStr 系统消息发送者ID字符串版本
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SystemSenderIDStr string = "10000"
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// SystemConversationID 系统通知会话ID (string类型)
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SystemConversationID string = "9999999999"
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)
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// ContentType 消息内容类型
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type ContentType string
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const (
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ContentTypeText ContentType = "text"
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ContentTypeImage ContentType = "image"
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ContentTypeVideo ContentType = "video"
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ContentTypeAudio ContentType = "audio"
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ContentTypeFile ContentType = "file"
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)
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// MessageStatus 消息状态
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type MessageStatus string
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const (
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MessageStatusNormal MessageStatus = "normal" // 正常
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MessageStatusRecalled MessageStatus = "recalled" // 已撤回
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MessageStatusDeleted MessageStatus = "deleted" // 已删除
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)
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// MessageCategory 消息类别
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type MessageCategory string
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const (
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CategoryChat MessageCategory = "chat" // 普通聊天
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CategoryNotification MessageCategory = "notification" // 通知类消息
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CategoryAnnouncement MessageCategory = "announcement" // 系统公告
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CategoryMarketing MessageCategory = "marketing" // 营销消息
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)
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// SystemMessageType 系统消息类型 (对应原NotificationType)
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type SystemMessageType string
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const (
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// 互动通知
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SystemTypeLikePost SystemMessageType = "like_post" // 点赞帖子
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SystemTypeLikeComment SystemMessageType = "like_comment" // 点赞评论
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SystemTypeComment SystemMessageType = "comment" // 评论
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SystemTypeReply SystemMessageType = "reply" // 回复
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SystemTypeFollow SystemMessageType = "follow" // 关注
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SystemTypeMention SystemMessageType = "mention" // @提及
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// 系统消息
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SystemTypeSystem SystemMessageType = "system" // 系统通知
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SystemTypeAnnounce SystemMessageType = "announce" // 系统公告
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)
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// ExtraData 消息额外数据,用于存储系统消息的相关信息
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type ExtraData struct {
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// 操作者信息
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ActorID int64 `json:"actor_id,omitempty"` // 操作者ID (数字格式,兼容旧数据)
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ActorIDStr string `json:"actor_id_str,omitempty"` // 操作者ID (UUID字符串格式)
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ActorName string `json:"actor_name,omitempty"` // 操作者名称
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AvatarURL string `json:"avatar_url,omitempty"` // 操作者头像
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// 目标信息
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TargetID int64 `json:"target_id,omitempty"` // 目标ID(帖子ID、评论ID等)
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TargetTitle string `json:"target_title,omitempty"` // 目标标题
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TargetType string `json:"target_type,omitempty"` // 目标类型(post/comment等)
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// 其他信息
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ActionURL string `json:"action_url,omitempty"` // 跳转链接
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ActionTime string `json:"action_time,omitempty"` // 操作时间
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}
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// Value 实现driver.Valuer接口,用于数据库存储
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func (e ExtraData) Value() (driver.Value, error) {
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return ValueJSON(e)
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}
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// Scan 实现sql.Scanner接口,用于数据库读取
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func (e *ExtraData) Scan(value any) error {
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return ScanJSON(e, value)
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2026-03-09 21:28:58 +08:00
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}
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// MessageSegmentData 单个消息段的数据
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type MessageSegmentData map[string]any
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2026-03-09 21:28:58 +08:00
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// MessageSegment 消息段
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type MessageSegment struct {
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Type string `json:"type"`
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Data MessageSegmentData `json:"data"`
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}
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// MessageSegments 消息链类型
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type MessageSegments []MessageSegment
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// Value 实现driver.Valuer接口,用于数据库存储
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func (s MessageSegments) Value() (driver.Value, error) {
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return ValueJSON(s)
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}
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// Scan 实现sql.Scanner接口,用于数据库读取
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func (s *MessageSegments) Scan(value any) error {
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if value == nil {
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*s = nil
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return nil
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}
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return ScanJSON(s, value)
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2026-03-09 21:28:58 +08:00
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}
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// Message 消息实体
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// 使用雪花算法ID(string类型)和seq机制实现消息排序和增量同步
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2026-03-15 20:38:22 +08:00
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// 支持消息内容加密存储
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2026-03-09 21:28:58 +08:00
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type Message struct {
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2026-03-15 20:38:22 +08:00
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ID string `gorm:"primaryKey;size:20" json:"id"` // 雪花算法ID(string类型)
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ConversationID string `gorm:"not null;size:20;index:idx_msg_conversation_seq,priority:1" json:"conversation_id"` // 会话ID(string类型)
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SenderID string `gorm:"column:sender_id;type:varchar(50);index;not null" json:"sender_id"` // 发送者ID (UUID格式)
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Seq int64 `gorm:"not null;index:idx_msg_conversation_seq,priority:2" json:"seq"` // 会话内序号,用于排序和增量同步
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// 消息内容字段
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Segments MessageSegments `gorm:"-" json:"segments"` // 消息链(内存中使用,不映射到数据库)
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SegmentsEncrypted string `gorm:"column:segments;type:text" json:"-"` // 加密后的消息链(存储在数据库)
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2026-03-15 20:38:22 +08:00
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SegmentsKeyVersion int `gorm:"column:segments_key_version;default:0" json:"segments_key_version"` // 密钥版本,用于密钥轮换
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2026-03-30 04:49:35 +08:00
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ReplyToID *string `json:"reply_to_id,omitempty"` // 回复的消息ID(string类型)
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2026-03-15 20:38:22 +08:00
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Status MessageStatus `gorm:"type:varchar(20);default:'normal'" json:"status"` // 消息状态
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2026-03-09 21:28:58 +08:00
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// 新增字段:消息分类和系统消息类型
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Category MessageCategory `gorm:"type:varchar(20);default:'chat'" json:"category"` // 消息分类
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SystemType SystemMessageType `gorm:"type:varchar(30)" json:"system_type,omitempty"` // 系统消息类型
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ExtraData *ExtraData `gorm:"type:json" json:"extra_data,omitempty"` // 额外数据(JSON格式)
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// 软删除
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DeletedAt gorm.DeletedAt `json:"-" gorm:"index"`
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// 时间戳
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CreatedAt time.Time `json:"created_at" gorm:"autoCreateTime"`
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UpdatedAt time.Time `json:"updated_at" gorm:"autoUpdateTime"`
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2026-03-15 20:38:22 +08:00
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// 内部标记,表示是否已解密
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decrypted bool `gorm:"-"`
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}
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// SenderIDStr 返回发送者ID字符串(保持兼容性)
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func (m *Message) SenderIDStr() string {
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return m.SenderID
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}
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2026-03-15 20:38:22 +08:00
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// BeforeCreate 创建前生成雪花算法ID并加密消息内容
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func (m *Message) BeforeCreate(tx *gorm.DB) error {
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2026-05-04 13:07:03 +08:00
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if err := SetSnowflakeStringID(&m.ID); err != nil {
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return err
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2026-03-09 21:28:58 +08:00
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}
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2026-03-15 20:38:22 +08:00
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// 加密消息内容
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return m.encryptSegments()
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}
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// BeforeUpdate 更新前加密消息内容
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func (m *Message) BeforeUpdate(tx *gorm.DB) error {
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// 只有当 Segments 被修改时才重新加密
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if tx.Statement.Changed("Segments") || len(m.Segments) > 0 {
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return m.encryptSegments()
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}
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return nil
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}
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2026-03-17 10:10:49 +08:00
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// AfterFind 查询后标记需要解密(实际解密延迟到批量处理时)
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// 这样可以支持批量并行解密优化
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2026-03-15 20:38:22 +08:00
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func (m *Message) AfterFind(tx *gorm.DB) error {
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2026-03-17 10:10:49 +08:00
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// 标记为未解密状态,等待批量解密
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// 如果是单条查询,AfterFind 后会立即使用,需要解密
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m.decrypted = false
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return nil
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}
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// Decrypt 解密单条消息(显式调用)
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func (m *Message) Decrypt() error {
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2026-03-15 20:38:22 +08:00
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return m.decryptSegments()
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}
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// AfterCreate 创建后解密消息内容(保持内存中的数据可读)
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func (m *Message) AfterCreate(tx *gorm.DB) error {
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m.decrypted = true
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return nil
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}
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// encryptSegments 加密消息段
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func (m *Message) encryptSegments() error {
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// 如果没有消息内容或加密器未初始化,跳过加密
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if len(m.Segments) == 0 {
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return nil
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}
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encryptor := crypto.GetMessageEncryptor()
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if encryptor == nil {
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// 加密器未初始化时,直接存储JSON(兼容模式)
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data, err := json.Marshal(m.Segments)
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if err != nil {
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return err
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}
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m.SegmentsEncrypted = string(data)
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m.SegmentsKeyVersion = 0
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return nil
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}
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// 序列化消息段
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plaintext, err := json.Marshal(m.Segments)
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if err != nil {
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return err
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}
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// 加密
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ciphertext, err := encryptor.Encrypt(plaintext)
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if err != nil {
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return err
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}
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m.SegmentsEncrypted = ciphertext
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m.SegmentsKeyVersion = encryptor.GetKeyVersion()
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return nil
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}
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// decryptSegments 解密消息段
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func (m *Message) decryptSegments() error {
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// 如果已经解密过,跳过
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if m.decrypted {
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return nil
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}
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// 如果没有加密内容,跳过
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if m.SegmentsEncrypted == "" {
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m.decrypted = true
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return nil
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}
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encryptor := crypto.GetMessageEncryptor()
|
|
|
|
|
|
if encryptor == nil {
|
|
|
|
|
|
// 加密器未初始化,尝试直接解析JSON(兼容旧数据)
|
|
|
|
|
|
if err := json.Unmarshal([]byte(m.SegmentsEncrypted), &m.Segments); err != nil {
|
|
|
|
|
|
return err
|
|
|
|
|
|
}
|
|
|
|
|
|
m.decrypted = true
|
|
|
|
|
|
return nil
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 尝试解密
|
|
|
|
|
|
plaintext, err := encryptor.Decrypt(m.SegmentsEncrypted)
|
|
|
|
|
|
if err != nil {
|
|
|
|
|
|
// 解密失败,可能是未加密的旧数据,尝试直接解析
|
|
|
|
|
|
if parseErr := json.Unmarshal([]byte(m.SegmentsEncrypted), &m.Segments); parseErr != nil {
|
|
|
|
|
|
return err // 返回解密错误
|
|
|
|
|
|
}
|
|
|
|
|
|
m.decrypted = true
|
|
|
|
|
|
return nil
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 解析解密后的数据
|
|
|
|
|
|
if err := json.Unmarshal(plaintext, &m.Segments); err != nil {
|
|
|
|
|
|
return err
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
m.decrypted = true
|
2026-03-09 21:28:58 +08:00
|
|
|
|
return nil
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
func (Message) TableName() string {
|
|
|
|
|
|
return "messages"
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// IsSystemMessage 判断是否为系统消息
|
|
|
|
|
|
func (m *Message) IsSystemMessage() bool {
|
|
|
|
|
|
return m.SenderID == SystemSenderIDStr || m.Category == CategoryNotification || m.Category == CategoryAnnouncement
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// IsInteractionNotification 判断是否为互动通知
|
|
|
|
|
|
func (m *Message) IsInteractionNotification() bool {
|
|
|
|
|
|
if m.Category != CategoryNotification {
|
|
|
|
|
|
return false
|
|
|
|
|
|
}
|
|
|
|
|
|
switch m.SystemType {
|
|
|
|
|
|
case SystemTypeLikePost, SystemTypeLikeComment, SystemTypeComment,
|
|
|
|
|
|
SystemTypeReply, SystemTypeFollow, SystemTypeMention:
|
|
|
|
|
|
return true
|
|
|
|
|
|
default:
|
|
|
|
|
|
return false
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
2026-03-17 10:10:49 +08:00
|
|
|
|
|
refactor(server): decouple services and improve architecture
- Introduce interfaces for all major services (JWT, PostAI, Comment, Message, Notification, QRCodeLogin, Upload, Vote, etc.) to support dependency inversion.
- Move query parameters from `internal/dto` to a new `internal/query` package to separate request payloads from data transfer objects.
- Refactor `internal/router` to use embedded `RouterDeps` for cleaner dependency management.
- Decouple handlers from repositories by injecting services instead of direct repository access, ensuring proper layering.
- Improve database initialization by moving it from `internal/model` to `internal/database`.
- Optimize message decryption by implementing a more efficient `BatchDecrypt` method in `MessageEncryptor` using a worker pool.
- Enhance error handling and security by implementing fail-fast checks for encryption key length during startup.
- Clean up unused code, including the `avatar` package and several unused DTOs.
2026-06-15 03:41:59 +08:00
|
|
|
|
// BatchDecryptMessagesParallel 批量解密消息段。
|
|
|
|
|
|
// 并发逻辑收敛在 crypto.MessageEncryptor.BatchDecrypt(worker pool),
|
|
|
|
|
|
// 本函数仅负责「提取密文 → 回填明文到 Message.Segments」,不再自起 goroutine。
|
|
|
|
|
|
//
|
|
|
|
|
|
// 行为保持与历史版本一致:
|
|
|
|
|
|
// - 加密器未初始化时,降级为明文 JSON 直接解析(兼容旧数据);
|
|
|
|
|
|
// - 单条解密失败时回退尝试直接 JSON 解析(兼容未加密旧数据);
|
|
|
|
|
|
// - 已解密或无加密内容的消息跳过。
|
2026-03-17 10:10:49 +08:00
|
|
|
|
func BatchDecryptMessagesParallel(messages []*Message) {
|
|
|
|
|
|
if len(messages) == 0 {
|
|
|
|
|
|
return
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
encryptor := crypto.GetMessageEncryptor()
|
|
|
|
|
|
if encryptor == nil {
|
refactor(server): decouple services and improve architecture
- Introduce interfaces for all major services (JWT, PostAI, Comment, Message, Notification, QRCodeLogin, Upload, Vote, etc.) to support dependency inversion.
- Move query parameters from `internal/dto` to a new `internal/query` package to separate request payloads from data transfer objects.
- Refactor `internal/router` to use embedded `RouterDeps` for cleaner dependency management.
- Decouple handlers from repositories by injecting services instead of direct repository access, ensuring proper layering.
- Improve database initialization by moving it from `internal/model` to `internal/database`.
- Optimize message decryption by implementing a more efficient `BatchDecrypt` method in `MessageEncryptor` using a worker pool.
- Enhance error handling and security by implementing fail-fast checks for encryption key length during startup.
- Clean up unused code, including the `avatar` package and several unused DTOs.
2026-06-15 03:41:59 +08:00
|
|
|
|
// 加密器未初始化,串行解析为明文 JSON(兼容模式)
|
2026-03-17 10:10:49 +08:00
|
|
|
|
for _, m := range messages {
|
|
|
|
|
|
if !m.decrypted && m.SegmentsEncrypted != "" {
|
|
|
|
|
|
_ = json.Unmarshal([]byte(m.SegmentsEncrypted), &m.Segments)
|
|
|
|
|
|
m.decrypted = true
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
return
|
|
|
|
|
|
}
|
|
|
|
|
|
|
refactor(server): decouple services and improve architecture
- Introduce interfaces for all major services (JWT, PostAI, Comment, Message, Notification, QRCodeLogin, Upload, Vote, etc.) to support dependency inversion.
- Move query parameters from `internal/dto` to a new `internal/query` package to separate request payloads from data transfer objects.
- Refactor `internal/router` to use embedded `RouterDeps` for cleaner dependency management.
- Decouple handlers from repositories by injecting services instead of direct repository access, ensuring proper layering.
- Improve database initialization by moving it from `internal/model` to `internal/database`.
- Optimize message decryption by implementing a more efficient `BatchDecrypt` method in `MessageEncryptor` using a worker pool.
- Enhance error handling and security by implementing fail-fast checks for encryption key length during startup.
- Clean up unused code, including the `avatar` package and several unused DTOs.
2026-06-15 03:41:59 +08:00
|
|
|
|
// 提取待解密的密文索引与值
|
|
|
|
|
|
indices := make([]int, 0, len(messages))
|
|
|
|
|
|
ciphertexts := make([]string, 0, len(messages))
|
|
|
|
|
|
for i, m := range messages {
|
|
|
|
|
|
if m.decrypted || m.SegmentsEncrypted == "" {
|
|
|
|
|
|
m.decrypted = true
|
|
|
|
|
|
continue
|
|
|
|
|
|
}
|
|
|
|
|
|
indices = append(indices, i)
|
|
|
|
|
|
ciphertexts = append(ciphertexts, m.SegmentsEncrypted)
|
2026-03-17 10:10:49 +08:00
|
|
|
|
}
|
refactor(server): decouple services and improve architecture
- Introduce interfaces for all major services (JWT, PostAI, Comment, Message, Notification, QRCodeLogin, Upload, Vote, etc.) to support dependency inversion.
- Move query parameters from `internal/dto` to a new `internal/query` package to separate request payloads from data transfer objects.
- Refactor `internal/router` to use embedded `RouterDeps` for cleaner dependency management.
- Decouple handlers from repositories by injecting services instead of direct repository access, ensuring proper layering.
- Improve database initialization by moving it from `internal/model` to `internal/database`.
- Optimize message decryption by implementing a more efficient `BatchDecrypt` method in `MessageEncryptor` using a worker pool.
- Enhance error handling and security by implementing fail-fast checks for encryption key length during startup.
- Clean up unused code, including the `avatar` package and several unused DTOs.
2026-06-15 03:41:59 +08:00
|
|
|
|
if len(ciphertexts) == 0 {
|
|
|
|
|
|
return
|
2026-03-17 10:10:49 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
refactor(server): decouple services and improve architecture
- Introduce interfaces for all major services (JWT, PostAI, Comment, Message, Notification, QRCodeLogin, Upload, Vote, etc.) to support dependency inversion.
- Move query parameters from `internal/dto` to a new `internal/query` package to separate request payloads from data transfer objects.
- Refactor `internal/router` to use embedded `RouterDeps` for cleaner dependency management.
- Decouple handlers from repositories by injecting services instead of direct repository access, ensuring proper layering.
- Improve database initialization by moving it from `internal/model` to `internal/database`.
- Optimize message decryption by implementing a more efficient `BatchDecrypt` method in `MessageEncryptor` using a worker pool.
- Enhance error handling and security by implementing fail-fast checks for encryption key length during startup.
- Clean up unused code, including the `avatar` package and several unused DTOs.
2026-06-15 03:41:59 +08:00
|
|
|
|
// 并发解密(worker pool 由 crypto.BatchDecrypt 内部管理)
|
|
|
|
|
|
plaintexts := encryptor.BatchDecrypt(ciphertexts, 0)
|
|
|
|
|
|
|
|
|
|
|
|
// 回填明文;解密失败的位置回退直接 JSON 解析
|
|
|
|
|
|
for j, idx := range indices {
|
|
|
|
|
|
m := messages[idx]
|
|
|
|
|
|
pt := plaintexts[j]
|
|
|
|
|
|
if pt == nil {
|
|
|
|
|
|
// 解密失败,兼容未加密的旧数据
|
|
|
|
|
|
_ = json.Unmarshal([]byte(m.SegmentsEncrypted), &m.Segments)
|
|
|
|
|
|
} else {
|
|
|
|
|
|
_ = json.Unmarshal(pt, &m.Segments)
|
|
|
|
|
|
}
|
|
|
|
|
|
m.decrypted = true
|
2026-03-17 10:10:49 +08:00
|
|
|
|
}
|
|
|
|
|
|
}
|