Files
EchoChat/backend/go-service/app/meeting/controller/meeting_controller.go
bujinyuan cdaa39d686 fix(meeting): Task 16 修复 code-reviewer 审计 P0 四项 + 落盘审查报告
code-reviewer 子代理(docs/reviews/2026-04-23-phase2e-2-code-review.md)对 Phase 2e-2
整体做全栈审计,暴露 P0 × 4 / P1 × 8 / P2 × 8 / Nit × 11。本次先修 P0:

- P0-1 / P0-2 媒体资源归属越权:
  新增 assertOwnsResource(roomCode, userID, kind, id) helper,用 resourceTrackKey Redis Set
  SIsMember 校验 transport/producer/consumer 归属;统一接入 OnTransportConnect /
  OnProduceStart / OnConsumeStart / OnConsumeResume / OnProducerClose 五个信令入口,
  一次封死同类横向越权漏洞(Redis 查询失败时 fail-closed,避免抖动开口子)。
  新增 service.ErrResourceNotOwned 错误常量。
- P0-3 CreateRoom Router 失败吞错:
  旧实现 mediaErr != nil 仅 logs.Warn 继续返回成功 → zombie 房间 + 入会必败 +
  一人一会议名额被占。改为 fail-closed 补偿:LeaveRoom + MarkEnded(system_error) +
  返回新 service.ErrMediaServiceUnavailable,controller.handleError 映射为 500。
- P0-4 会议密码明文走 URL:
  join.vue onNext 旧逻辑把密码拼 ?password=xxx,浏览器历史 / DevTools 留痕。
  新增 meetingStore.draftJoinPayload 内存态草稿,join.vue 只跳转
  ?mode=join&code=xxx,preview.vue onLoad 读取后立即 draftJoinPayload = null 清空,
  邀请链接里的 password 参数一律忽略。

验证:
- cd backend/go-service && go build ./... 通过
- cd frontend && npm run build:h5 通过
- 仅剩 1 个预先存在 unusedparams warning,与本次改动无关

P1 / P2 / Nit 清单保留在审查报告,按顺序继续处理。

Made-with: Cursor
2026-04-23 16:34:13 +08:00

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// Package controller 提供 meeting 模块的 HTTP 接口
package controller
import (
"errors"
"strconv"
"github.com/echochat/backend/app/constants"
"github.com/echochat/backend/app/dto"
"github.com/echochat/backend/app/meeting/model"
"github.com/echochat/backend/app/meeting/service"
"github.com/echochat/backend/pkg/logs"
"github.com/echochat/backend/pkg/middleware"
"github.com/echochat/backend/pkg/utils"
"github.com/gin-gonic/gin"
"go.uber.org/zap"
)
// MeetingController 会议 REST 控制器
// Task 5 完成:填充 12 个接口的请求解析、业务调用、DTO 转换、错误码映射
type MeetingController struct {
meetingService *service.MeetingService
}
// NewMeetingController 创建 MeetingController 实例
func NewMeetingController(meetingService *service.MeetingService) *MeetingController {
return &MeetingController{meetingService: meetingService}
}
// requireUserID 统一的当前用户取值,失败直接写 401 并返回 false
func requireUserID(c *gin.Context) (int64, bool) {
userID, ok := middleware.GetCurrentUserID(c)
if !ok {
utils.ResponseUnauthorized(c, "无法获取当前用户信息")
return 0, false
}
return userID, true
}
// handleError 将 service 层领域错误统一映射为 HTTP 响应
// 映射原则:
// - 资源不存在 → 404
// - 权限不足(非 host→ 403
// - 业务规则违反(密码错误、已满、状态冲突等)→ 400
// - 其余未知错误 → 500
func (ctl *MeetingController) handleError(c *gin.Context, err error, fallbackMsg string) {
switch {
case errors.Is(err, service.ErrMeetingNotFound):
utils.ResponseNotFound(c, err.Error())
case errors.Is(err, service.ErrNotMeetingHost):
utils.ResponseForbidden(c, err.Error())
case errors.Is(err, service.ErrMediaServiceUnavailable):
// P0-3媒体服务不可用应作为 5xx 返回,让前端走"稍后重试"提示,而非按"用户输入错误"处理
utils.ResponseError(c, err.Error())
case errors.Is(err, service.ErrMeetingEnded),
errors.Is(err, service.ErrMeetingFull),
errors.Is(err, service.ErrMeetingPasswordReq),
errors.Is(err, service.ErrMeetingPasswordWrong),
errors.Is(err, service.ErrMeetingPasswordLocked),
errors.Is(err, service.ErrNotInMeeting),
errors.Is(err, service.ErrAlreadyInMeeting),
errors.Is(err, service.ErrAlreadyInOtherMeeting),
errors.Is(err, service.ErrInviteTokenInvalid),
errors.Is(err, service.ErrRoomCodeConflict),
errors.Is(err, service.ErrKickSelfForbidden),
errors.Is(err, service.ErrTransferToSelf),
errors.Is(err, service.ErrTransferTargetInvalid):
utils.ResponseBadRequest(c, err.Error())
default:
logs.Warn(c.Request.Context(), "controller.meeting_controller.handleError",
fallbackMsg, zap.Error(err))
utils.ResponseError(c, fallbackMsg)
}
}
// ====== DTO 转换 ======
// roomToDTO 将 model.MeetingRoom 转 DTOhost_name/avatar 交由上层按需补全
func roomToDTO(r *model.MeetingRoom, onlineCount int) *dto.MeetingRoomDTO {
if r == nil {
return nil
}
out := &dto.MeetingRoomDTO{
ID: r.ID,
RoomCode: r.RoomCode,
Title: r.Title,
HostID: r.HostID,
Type: r.Type,
HasPassword: r.PasswordHash != nil && *r.PasswordHash != "",
MaxMembers: r.MaxMembers,
Status: r.Status,
StatusLabel: constants.MeetingStatusMap[r.Status],
Settings: r.Settings,
CreatedAt: r.CreatedAt.Format("2006-01-02 15:04:05"),
OnlineCount: onlineCount,
EndedReason: r.EndedReason,
}
if r.ScheduledAt != nil {
out.ScheduledAt = r.ScheduledAt.Format("2006-01-02 15:04:05")
}
if r.StartedAt != nil {
out.StartedAt = r.StartedAt.Format("2006-01-02 15:04:05")
}
if r.EndedAt != nil {
out.EndedAt = r.EndedAt.Format("2006-01-02 15:04:05")
}
return out
}
// participantToDTO 将 model.MeetingParticipant 转 DTO
// userMap 可选:若提供则附带 user_name / user_avatar便于前端 MemberPanel/VideoTile 直接渲染昵称头像
func participantToDTO(p *model.MeetingParticipant, userMap map[int64]service.UserDisplayInfo) *dto.MeetingParticipantDTO {
if p == nil {
return nil
}
out := &dto.MeetingParticipantDTO{
ID: p.ID,
RoomID: p.RoomID,
UserID: p.UserID,
Role: p.Role,
RoleLabel: constants.MeetingRoleMap[p.Role],
JoinedAt: p.JoinedAt.Format("2006-01-02 15:04:05"),
LeftReason: p.LeftReason,
Duration: p.Duration,
IsActive: p.IsActive(),
}
if p.LeftAt != nil {
out.LeftAt = p.LeftAt.Format("2006-01-02 15:04:05")
}
if info, ok := userMap[p.UserID]; ok {
out.UserName = info.Name
out.UserAvatar = info.Avatar
}
return out
}
// chatToDTO 将 model.MeetingChat 转 DTO
// userMap 可选:若提供则附带 user_name / user_avatar否则为空
func chatToDTO(m *model.MeetingChat, userMap map[int64]service.UserDisplayInfo) *dto.MeetingChatDTO {
if m == nil {
return nil
}
d := &dto.MeetingChatDTO{
ID: m.ID,
RoomID: m.RoomID,
UserID: m.UserID,
Content: m.Content,
CreatedAt: m.CreatedAt.Format("2006-01-02 15:04:05"),
}
if info, ok := userMap[m.UserID]; ok {
d.UserName = info.Name
d.UserAvatar = info.Avatar
}
return d
}
// ====== REST API ======
// CreateRoom POST /api/v1/meeting/rooms
func (ctl *MeetingController) CreateRoom(c *gin.Context) {
userID, ok := requireUserID(c)
if !ok {
return
}
var req dto.CreateMeetingRoomRequest
if err := c.ShouldBindJSON(&req); err != nil {
utils.ResponseBadRequest(c, "参数校验失败: "+err.Error())
return
}
room, _, routerID, err := ctl.meetingService.CreateRoom(c.Request.Context(), userID, &req)
if err != nil {
ctl.handleError(c, err, "创建会议失败")
return
}
// Task 9CreateRoom 响应携带 router_id + rtpCapabilities供前端 Device.load 使用
_, rtpCaps, _ := ctl.meetingService.ResolveRouterInfo(room.RoomCode)
resp := dto.CreateMeetingRoomResponse{
Room: *roomToDTO(room, 1),
RouterID: routerID,
RtpCapabilities: rtpCaps,
}
utils.ResponseCreated(c, resp)
}
// GetRoom GET /api/v1/meeting/rooms/:code
func (ctl *MeetingController) GetRoom(c *gin.Context) {
userID, ok := requireUserID(c)
if !ok {
return
}
code := c.Param("code")
if code == "" {
utils.ResponseBadRequest(c, "会议号不能为空")
return
}
room, participants, onlineCount, err := ctl.meetingService.GetRoomByCode(c.Request.Context(), userID, code)
if err != nil {
ctl.handleError(c, err, "获取会议详情失败")
return
}
userIDs := make([]int64, 0, len(participants))
for i := range participants {
userIDs = append(userIDs, participants[i].UserID)
}
userMap := ctl.meetingService.ResolveUsersDisplay(c.Request.Context(), userIDs)
parts := make([]dto.MeetingParticipantDTO, 0, len(participants))
for i := range participants {
parts = append(parts, *participantToDTO(&participants[i], userMap))
}
resp := dto.GetMeetingRoomResponse{
Room: *roomToDTO(room, int(onlineCount)),
Participants: parts,
OnlineCount: int(onlineCount),
}
utils.ResponseOK(c, resp)
}
// JoinRoom POST /api/v1/meeting/rooms/:code/join
func (ctl *MeetingController) JoinRoom(c *gin.Context) {
userID, ok := requireUserID(c)
if !ok {
return
}
code := c.Param("code")
if code == "" {
utils.ResponseBadRequest(c, "会议号不能为空")
return
}
var req dto.JoinMeetingRoomRequest
if err := c.ShouldBindJSON(&req); err != nil && err.Error() != "EOF" {
utils.ResponseBadRequest(c, "参数校验失败: "+err.Error())
return
}
room, participant, routerID, err := ctl.meetingService.JoinRoom(c.Request.Context(), userID, code, req.Password)
if err != nil {
ctl.handleError(c, err, "加入会议失败")
return
}
// Task 9JoinRoom 响应携带 rtpCapabilities供前端 mediasoup-client Device.load 直接使用
_, rtpCaps, _ := ctl.meetingService.ResolveRouterInfo(code)
userMap := ctl.meetingService.ResolveUsersDisplay(c.Request.Context(), []int64{participant.UserID})
resp := dto.JoinMeetingRoomResponse{
Room: *roomToDTO(room, 0),
Participant: *participantToDTO(participant, userMap),
RouterID: routerID,
RtpCapabilities: rtpCaps,
}
utils.ResponseOK(c, resp)
}
// LeaveRoom POST /api/v1/meeting/rooms/:code/leave
func (ctl *MeetingController) LeaveRoom(c *gin.Context) {
userID, ok := requireUserID(c)
if !ok {
return
}
code := c.Param("code")
if code == "" {
utils.ResponseBadRequest(c, "会议号不能为空")
return
}
duration, err := ctl.meetingService.LeaveRoom(c.Request.Context(), userID, code)
if err != nil {
ctl.handleError(c, err, "离开会议失败")
return
}
utils.ResponseOK(c, dto.LeaveMeetingRoomResponse{Duration: duration})
}
// EndRoom POST /api/v1/meeting/rooms/:code/end
func (ctl *MeetingController) EndRoom(c *gin.Context) {
userID, ok := requireUserID(c)
if !ok {
return
}
code := c.Param("code")
if code == "" {
utils.ResponseBadRequest(c, "会议号不能为空")
return
}
if err := ctl.meetingService.EndRoom(c.Request.Context(), userID, code); err != nil {
ctl.handleError(c, err, "结束会议失败")
return
}
utils.ResponseOK(c, gin.H{})
}
// ListMyMeetings GET /api/v1/meeting/rooms/mine?status=&before_id=&limit=
func (ctl *MeetingController) ListMyMeetings(c *gin.Context) {
userID, ok := requireUserID(c)
if !ok {
return
}
var req dto.ListMyMeetingsRequest
if err := c.ShouldBindQuery(&req); err != nil {
utils.ResponseBadRequest(c, "参数校验失败: "+err.Error())
return
}
rooms, hasMore, err := ctl.meetingService.ListMyMeetings(c.Request.Context(), userID, req.Status, req.BeforeID, req.Limit)
if err != nil {
ctl.handleError(c, err, "获取会议列表失败")
return
}
list := make([]dto.MeetingRoomDTO, 0, len(rooms))
for i := range rooms {
list = append(list, *roomToDTO(&rooms[i], 0))
}
utils.ResponseOK(c, dto.ListMyMeetingsResponse{List: list, HasMore: hasMore})
}
// TransferHost POST /api/v1/meeting/rooms/:code/transfer-host
func (ctl *MeetingController) TransferHost(c *gin.Context) {
userID, ok := requireUserID(c)
if !ok {
return
}
code := c.Param("code")
if code == "" {
utils.ResponseBadRequest(c, "会议号不能为空")
return
}
var req dto.TransferHostRequest
if err := c.ShouldBindJSON(&req); err != nil {
utils.ResponseBadRequest(c, "参数校验失败: "+err.Error())
return
}
if err := ctl.meetingService.TransferHost(c.Request.Context(), userID, code, req.TargetUserID); err != nil {
ctl.handleError(c, err, "转让主持人失败")
return
}
utils.ResponseOK(c, gin.H{})
}
// KickMember POST /api/v1/meeting/rooms/:code/kick
func (ctl *MeetingController) KickMember(c *gin.Context) {
userID, ok := requireUserID(c)
if !ok {
return
}
code := c.Param("code")
if code == "" {
utils.ResponseBadRequest(c, "会议号不能为空")
return
}
var req dto.KickMemberRequest
if err := c.ShouldBindJSON(&req); err != nil {
utils.ResponseBadRequest(c, "参数校验失败: "+err.Error())
return
}
if err := ctl.meetingService.KickMember(c.Request.Context(), userID, code, req.UserID); err != nil {
ctl.handleError(c, err, "踢出成员失败")
return
}
utils.ResponseOK(c, gin.H{})
}
// InviteUsers POST /api/v1/meeting/rooms/:code/invite
func (ctl *MeetingController) InviteUsers(c *gin.Context) {
userID, ok := requireUserID(c)
if !ok {
return
}
code := c.Param("code")
if code == "" {
utils.ResponseBadRequest(c, "会议号不能为空")
return
}
var req dto.InviteUsersRequest
if err := c.ShouldBindJSON(&req); err != nil {
utils.ResponseBadRequest(c, "参数校验失败: "+err.Error())
return
}
pushed, skipped, err := ctl.meetingService.InviteUsers(c.Request.Context(), userID, code, req.InviteeIDs)
if err != nil {
ctl.handleError(c, err, "发送邀请失败")
return
}
utils.ResponseOK(c, dto.InviteUsersResponse{Pushed: pushed, Skipped: skipped})
}
// RedeemInvite POST /api/v1/meeting/invite-tokens/:token/redeem
func (ctl *MeetingController) RedeemInvite(c *gin.Context) {
userID, ok := requireUserID(c)
if !ok {
return
}
token := c.Param("token")
if token == "" {
utils.ResponseBadRequest(c, "邀请 Token 不能为空")
return
}
resp, err := ctl.meetingService.RedeemInviteToken(c.Request.Context(), userID, token)
if err != nil {
ctl.handleError(c, err, "兑换邀请链接失败")
return
}
utils.ResponseOK(c, resp)
}
// SendChat POST /api/v1/meeting/rooms/:code/chats
func (ctl *MeetingController) SendChat(c *gin.Context) {
userID, ok := requireUserID(c)
if !ok {
return
}
code := c.Param("code")
if code == "" {
utils.ResponseBadRequest(c, "会议号不能为空")
return
}
var req dto.SendMeetingChatRequest
if err := c.ShouldBindJSON(&req); err != nil {
utils.ResponseBadRequest(c, "参数校验失败: "+err.Error())
return
}
msg, err := ctl.meetingService.SendChatMessage(c.Request.Context(), userID, code, req.Content)
if err != nil {
ctl.handleError(c, err, "发送会议聊天失败")
return
}
userMap := ctl.meetingService.ResolveUsersDisplay(c.Request.Context(), []int64{msg.UserID})
utils.ResponseCreated(c, dto.SendMeetingChatResponse{Message: *chatToDTO(msg, userMap)})
}
// ListChats GET /api/v1/meeting/rooms/:code/chats?before_id=&limit=
func (ctl *MeetingController) ListChats(c *gin.Context) {
userID, ok := requireUserID(c)
if !ok {
return
}
code := c.Param("code")
if code == "" {
utils.ResponseBadRequest(c, "会议号不能为空")
return
}
beforeID, _ := strconv.ParseInt(c.Query("before_id"), 10, 64)
limit, _ := strconv.Atoi(c.Query("limit"))
msgs, hasMore, err := ctl.meetingService.ListChatMessages(c.Request.Context(), userID, code, beforeID, limit)
if err != nil {
ctl.handleError(c, err, "获取会议聊天失败")
return
}
userIDs := make([]int64, 0, len(msgs))
for i := range msgs {
userIDs = append(userIDs, msgs[i].UserID)
}
userMap := ctl.meetingService.ResolveUsersDisplay(c.Request.Context(), userIDs)
list := make([]dto.MeetingChatDTO, 0, len(msgs))
for i := range msgs {
list = append(list, *chatToDTO(&msgs[i], userMap))
}
utils.ResponseOK(c, dto.ListMeetingChatsResponse{List: list, HasMore: hasMore})
}