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492 lines
12 KiB
Go
492 lines
12 KiB
Go
package handlers
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import (
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"errors"
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"fmt"
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"net/http"
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"strconv"
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"strings"
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"time"
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json "github.com/json-iterator/go"
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log "github.com/sirupsen/logrus"
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"github.com/gin-gonic/gin"
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"github.com/golang-jwt/jwt/v5"
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"github.com/maruel/natural"
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"github.com/synctv-org/synctv/internal/conf"
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"github.com/synctv-org/synctv/room"
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"github.com/zijiren233/gencontainer/vec"
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rtmps "github.com/zijiren233/livelib/server"
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"github.com/zijiren233/stream"
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)
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var (
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ErrAuthFailed = errors.New("auth failed")
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ErrAuthExpired = errors.New("auth expired")
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ErrRoomAlready = errors.New("room already exists")
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)
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type FormatErrNotSupportPosition string
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func (e FormatErrNotSupportPosition) Error() string {
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return fmt.Sprintf("not support position %s", string(e))
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}
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type AuthClaims struct {
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RoomID string `json:"id"`
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Version uint64 `json:"v"`
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Username string `json:"un"`
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UserVersion uint64 `json:"uv"`
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jwt.RegisteredClaims
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}
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func AuthRoom(Authorization string) (*room.User, error) {
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t, err := jwt.ParseWithClaims(strings.TrimPrefix(Authorization, `Bearer `), &AuthClaims{}, func(token *jwt.Token) (any, error) {
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return stream.StringToBytes(conf.Conf.Jwt.Secret), nil
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})
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if err != nil {
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return nil, ErrAuthFailed
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}
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claims := t.Claims.(*AuthClaims)
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r, err := Rooms.GetRoom(claims.RoomID)
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if err != nil {
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return nil, err
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}
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if !r.CheckVersion(claims.Version) {
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return nil, ErrAuthExpired
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}
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user, err := r.GetUser(claims.Username)
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if err != nil {
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return nil, ErrUserNotFound
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}
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if !user.CheckVersion(claims.UserVersion) {
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return nil, ErrAuthExpired
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}
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return user, nil
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}
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func authWithPassword(roomid, password, username, userPassword string) (*room.User, error) {
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r, err := Rooms.GetRoom(roomid)
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if err != nil {
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return nil, err
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}
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if !r.CheckPassword(password) {
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return nil, ErrAuthFailed
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}
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user, err := r.GetUser(username)
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if err != nil {
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return nil, ErrUserNotFound
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}
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if !user.CheckPassword(userPassword) {
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return nil, ErrAuthFailed
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}
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return user, nil
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}
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func authOrNewWithPassword(roomid, password, username, userPassword string, conf ...room.UserConf) (*room.User, error) {
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r, err := Rooms.GetRoom(roomid)
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if err != nil {
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return nil, err
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}
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if !r.CheckPassword(password) {
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return nil, ErrAuthFailed
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}
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user, err := r.GetOrNewUser(username, userPassword, conf...)
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if err != nil {
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return nil, err
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}
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if !user.CheckPassword(userPassword) {
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return nil, ErrAuthFailed
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}
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return user, nil
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}
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func newAuthorization(user *room.User) (string, error) {
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claims := &AuthClaims{
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RoomID: user.Room().ID(),
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Version: user.Room().Version(),
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Username: user.Name(),
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UserVersion: user.Version(),
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RegisteredClaims: jwt.RegisteredClaims{
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NotBefore: jwt.NewNumericDate(time.Now()),
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ExpiresAt: jwt.NewNumericDate(time.Now().Add(time.Hour * time.Duration(conf.Conf.Jwt.Expire))),
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},
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}
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return jwt.NewWithClaims(jwt.SigningMethodHS256, claims).SignedString(stream.StringToBytes(conf.Conf.Jwt.Secret))
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}
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type CreateRoomReq struct {
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RoomID string `json:"roomId"`
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Password string `json:"password"`
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Username string `json:"username"`
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UserPassword string `json:"userPassword"`
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Hidden bool `json:"hidden"`
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}
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func NewCreateRoomHandler(s *rtmps.Server) gin.HandlerFunc {
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return func(ctx *gin.Context) {
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req := new(CreateRoomReq)
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if err := json.NewDecoder(ctx.Request.Body).Decode(req); err != nil {
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ctx.AbortWithStatusJSON(http.StatusBadRequest, NewApiErrorResp(err))
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return
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}
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user, err := room.NewUser(req.Username, req.UserPassword, nil, room.WithUserAdmin(true))
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if err != nil {
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ctx.AbortWithStatusJSON(http.StatusBadRequest, NewApiErrorResp(err))
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return
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}
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r, err := Rooms.CreateRoom(req.RoomID, req.Password, s,
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room.WithHidden(req.Hidden),
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room.WithMaxInactivityTime(roomMaxInactivityTime),
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room.WithRootUser(user),
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)
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if err != nil {
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ctx.AbortWithStatusJSON(http.StatusBadRequest, NewApiErrorResp(err))
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return
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}
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token, err := newAuthorization(user)
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if err != nil {
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ctx.AbortWithStatusJSON(http.StatusInternalServerError, NewApiErrorResp(err))
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return
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}
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go func() {
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ticker := time.NewTicker(time.Second * 5)
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defer ticker.Stop()
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var pre int64 = 0
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for range ticker.C {
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if r.Closed() {
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log.Infof("ws: room %s closed, stop broadcast people num", r.ID())
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return
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}
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current := r.ClientNum()
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if current != pre {
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if err := r.Broadcast(&room.ElementMessage{
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Type: room.ChangePeopleNum,
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PeopleNum: current,
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}); err != nil {
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log.Errorf("ws: room %s broadcast people num error: %v", r.ID(), err)
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continue
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}
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pre = current
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} else {
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if err := r.Broadcast(&room.PingMessage{}); err != nil {
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log.Errorf("ws: room %s broadcast ping error: %v", r.ID(), err)
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continue
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}
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}
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}
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}()
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r.Start()
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r.SetRootUser(user)
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ctx.JSON(http.StatusCreated, NewApiDataResp(gin.H{
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"token": token,
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}))
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}
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}
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type RoomListResp struct {
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RoomID string `json:"roomId"`
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PeopleNum int64 `json:"peopleNum"`
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NeedPassword bool `json:"needPassword"`
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Creator string `json:"creator"`
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CreateAt int64 `json:"createAt"`
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}
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func RoomList(ctx *gin.Context) {
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r := Rooms.ListNonHidden()
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resp := vec.New[*RoomListResp](vec.WithCmpLess[*RoomListResp](func(v1, v2 *RoomListResp) bool {
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return v1.PeopleNum < v2.PeopleNum
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}), vec.WithCmpEqual[*RoomListResp](func(v1, v2 *RoomListResp) bool {
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return v1.PeopleNum == v2.PeopleNum
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}))
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for _, v := range r {
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resp.Push(&RoomListResp{
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RoomID: v.ID(),
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PeopleNum: v.ClientNum(),
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NeedPassword: v.NeedPassword(),
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Creator: v.RootUser().Name(),
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CreateAt: v.CreateAt().UnixMilli(),
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})
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}
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switch ctx.DefaultQuery("sort", "peopleNum") {
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case "peopleNum":
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resp.SortStable()
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case "creator":
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resp.SortStableFunc(func(v1, v2 *RoomListResp) bool {
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return natural.Less(v1.Creator, v2.Creator)
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}, func(t1, t2 *RoomListResp) bool {
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return t1.Creator == t2.Creator
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})
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case "createAt":
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resp.SortStableFunc(func(v1, v2 *RoomListResp) bool {
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return v1.CreateAt < v2.CreateAt
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}, func(t1, t2 *RoomListResp) bool {
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return t1.CreateAt == t2.CreateAt
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})
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case "roomId":
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resp.SortStableFunc(func(v1, v2 *RoomListResp) bool {
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return natural.Less(v1.RoomID, v2.RoomID)
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}, func(t1, t2 *RoomListResp) bool {
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return t1.RoomID == t2.RoomID
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})
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case "needPassword":
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resp.SortStableFunc(func(v1, v2 *RoomListResp) bool {
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return v1.NeedPassword && !v2.NeedPassword
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}, func(t1, t2 *RoomListResp) bool {
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return t1.NeedPassword == t2.NeedPassword
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})
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default:
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ctx.AbortWithStatusJSON(http.StatusBadRequest, NewApiErrorStringResp("sort must be peoplenum or roomid"))
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return
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}
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switch ctx.DefaultQuery("order", "desc") {
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case "asc":
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// do nothing
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case "desc":
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resp.Reverse()
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default:
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ctx.AbortWithStatusJSON(http.StatusBadRequest, NewApiErrorStringResp("order must be asc or desc"))
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return
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}
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list, err := GetPageItems(ctx, resp.Slice())
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if err != nil {
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ctx.AbortWithStatusJSON(http.StatusBadRequest, NewApiErrorResp(err))
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return
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}
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ctx.JSON(http.StatusOK, NewApiDataResp(gin.H{
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"total": resp.Len(),
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"list": list,
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}))
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}
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func CheckRoom(ctx *gin.Context) {
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r, err := Rooms.GetRoom(ctx.Query("roomId"))
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if err != nil {
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ctx.AbortWithStatusJSON(http.StatusNotFound, NewApiErrorResp(err))
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return
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}
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ctx.JSON(http.StatusOK, NewApiDataResp(gin.H{
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"peopleNum": r.ClientNum(),
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"needPassword": r.NeedPassword(),
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}))
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}
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func CheckUser(ctx *gin.Context) {
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r, err := Rooms.GetRoom(ctx.Query("roomId"))
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if err != nil {
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ctx.AbortWithStatusJSON(http.StatusNotFound, NewApiErrorResp(err))
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return
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}
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u, err := r.GetUser(ctx.Query("username"))
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if err != nil {
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ctx.AbortWithStatusJSON(http.StatusNotFound, NewApiErrorResp(err))
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return
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}
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ctx.JSON(http.StatusOK, NewApiDataResp(gin.H{
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"idRoot": u.IsRoot(),
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"idAdmin": u.IsAdmin(),
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"lastAct": u.LastAct(),
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}))
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}
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type LoginRoomReq struct {
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RoomID string `json:"roomId"`
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Password string `json:"password"`
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Username string `json:"username"`
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UserPassword string `json:"userPassword"`
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}
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func LoginRoom(ctx *gin.Context) {
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req := new(LoginRoomReq)
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if err := json.NewDecoder(ctx.Request.Body).Decode(req); err != nil {
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ctx.AbortWithStatusJSON(http.StatusBadRequest, NewApiErrorResp(err))
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return
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}
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autoNew, err := strconv.ParseBool(ctx.DefaultQuery("autoNew", "false"))
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if err != nil {
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ctx.AbortWithStatusJSON(http.StatusBadRequest, NewApiErrorStringResp("autoNew must be bool"))
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return
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}
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var (
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user *room.User
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)
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if autoNew {
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user, err = authOrNewWithPassword(req.RoomID, req.Password, req.Username, req.UserPassword)
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if err != nil {
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ctx.AbortWithStatusJSON(http.StatusUnauthorized, NewApiErrorResp(err))
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return
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}
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} else {
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user, err = authWithPassword(req.RoomID, req.Password, req.Username, req.UserPassword)
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if err != nil {
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ctx.AbortWithStatusJSON(http.StatusUnauthorized, NewApiErrorResp(err))
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return
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}
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}
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token, err := newAuthorization(user)
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if err != nil {
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ctx.AbortWithStatusJSON(http.StatusInternalServerError, NewApiErrorResp(err))
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return
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}
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ctx.JSON(http.StatusOK, NewApiDataResp(gin.H{
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"token": token,
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}))
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}
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func DeleteRoom(ctx *gin.Context) {
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user, err := AuthRoom(ctx.GetHeader("Authorization"))
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if err != nil {
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ctx.AbortWithStatusJSON(http.StatusUnauthorized, NewApiErrorResp(err))
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return
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}
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if err := Rooms.DelRoom(user.Room().ID()); err != nil {
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ctx.AbortWithStatusJSON(http.StatusBadRequest, NewApiErrorResp(err))
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return
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}
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ctx.Status(http.StatusNoContent)
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}
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type SetPasswordReq struct {
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Password string `json:"password"`
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}
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func SetPassword(ctx *gin.Context) {
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user, err := AuthRoom(ctx.GetHeader("Authorization"))
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if err != nil {
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ctx.AbortWithStatusJSON(http.StatusUnauthorized, NewApiErrorResp(err))
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return
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}
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if !user.IsRoot() || !user.IsAdmin() {
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ctx.AbortWithStatusJSON(http.StatusUnauthorized, NewApiErrorStringResp("only root or admin can set password"))
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return
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}
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req := new(SetPasswordReq)
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if err := json.NewDecoder(ctx.Request.Body).Decode(req); err != nil {
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ctx.AbortWithStatusJSON(http.StatusBadRequest, NewApiErrorResp(err))
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return
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}
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user.Room().SetPassword(req.Password)
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token, err := newAuthorization(user)
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if err != nil {
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ctx.AbortWithStatusJSON(http.StatusInternalServerError, NewApiErrorResp(err))
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return
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}
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ctx.JSON(http.StatusOK, NewApiDataResp(gin.H{
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"token": token,
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}))
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}
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type UsernameReq struct {
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Username string `json:"username"`
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}
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func AddAdmin(ctx *gin.Context) {
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user, err := AuthRoom(ctx.GetHeader("Authorization"))
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if err != nil {
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ctx.AbortWithStatusJSON(http.StatusUnauthorized, NewApiErrorResp(err))
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return
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}
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if !user.IsRoot() && !user.IsAdmin() {
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ctx.AbortWithStatusJSON(http.StatusUnauthorized, NewApiErrorStringResp("only root or admin can add admin"))
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return
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}
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req := new(UsernameReq)
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if err := json.NewDecoder(ctx.Request.Body).Decode(req); err != nil {
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ctx.AbortWithStatusJSON(http.StatusBadRequest, NewApiErrorResp(err))
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return
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}
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u, err := user.Room().GetUser(req.Username)
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if err != nil {
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ctx.AbortWithStatusJSON(http.StatusNotFound, NewApiErrorResp(err))
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return
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}
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u.SetAdmin(true)
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ctx.Status(http.StatusNoContent)
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}
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func DelAdmin(ctx *gin.Context) {
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user, err := AuthRoom(ctx.GetHeader("Authorization"))
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if err != nil {
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ctx.AbortWithStatusJSON(http.StatusUnauthorized, NewApiErrorResp(err))
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return
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}
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if !user.IsRoot() {
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ctx.AbortWithStatusJSON(http.StatusUnauthorized, NewApiErrorStringResp("only root can del admin"))
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return
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}
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req := new(UsernameReq)
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if err := json.NewDecoder(ctx.Request.Body).Decode(req); err != nil {
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ctx.AbortWithStatusJSON(http.StatusBadRequest, NewApiErrorResp(err))
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return
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}
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u, err := user.Room().GetUser(req.Username)
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if err != nil {
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ctx.AbortWithStatusJSON(http.StatusNotFound, NewApiErrorResp(err))
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return
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}
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u.SetAdmin(false)
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ctx.Status(http.StatusNoContent)
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}
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func CloseRoom(ctx *gin.Context) {
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user, err := AuthRoom(ctx.GetHeader("Authorization"))
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if err != nil {
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ctx.AbortWithStatusJSON(http.StatusUnauthorized, NewApiErrorResp(err))
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return
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}
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if !user.IsRoot() {
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ctx.AbortWithStatusJSON(http.StatusUnauthorized, NewApiErrorStringResp("only root can close room"))
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return
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}
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err = Rooms.DelRoom(user.Room().ID())
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if err != nil {
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ctx.AbortWithStatusJSON(http.StatusInternalServerError, NewApiErrorResp(err))
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return
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}
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ctx.Status(http.StatusNoContent)
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}
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