Sanitize user following config for ShowFullName and ShowEmailAddress (#4820)

(cherry picked from commit 3625c53527)

server/api/users.go

@@ -89,6 +89,18 @@ func (a *API) handleGetUsersList(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 
+	ctx := r.Context()
+	session := ctx.Value(sessionContextKey).(*model.Session)
+	isSystemAdmin := a.permissions.HasPermissionTo(session.UserID, model.PermissionManageSystem)
+
+	for _, user := range users {
+		if user.ID == session.UserID {
+			user.Sanitize(map[string]bool{})
+		} else {
+			a.app.SanitizeProfile(user, isSystemAdmin)
+		}
+	}
+
 	usersList, err := json.Marshal(users)
 	if err != nil {
 		a.errorResponse(w, r, err)
@@ -170,6 +182,7 @@ func (a *API) handleGetMe(w http.ResponseWriter, r *http.Request) {
 		user.Permissions = append(user.Permissions, model.PermissionCreatePost.Id)
 	}
 
+	user.Sanitize(map[string]bool{})
 	userData, err := json.Marshal(user)
 	if err != nil {
 		a.errorResponse(w, r, err)
@@ -278,6 +291,12 @@ func (a *API) handleGetUser(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	if userID == session.UserID {
+		user.Sanitize(map[string]bool{})
+	} else {
+		a.app.SanitizeProfile(user, a.permissions.HasPermissionTo(session.UserID, model.PermissionManageSystem))
+	}
+
 	userData, err := json.Marshal(user)
 	if err != nil {
 		a.errorResponse(w, r, err)

server/app/user.go

@@ -80,3 +80,15 @@ func (a *App) SearchUserChannels(teamID string, userID string, query string) ([]
 func (a *App) GetChannel(teamID string, channelID string) (*mmModel.Channel, error) {
 	return a.store.GetChannel(teamID, channelID)
 }
+
+func (a *App) SanitizeProfile(user *model.User, isAdmin bool) {
+	options := map[string]bool{}
+	if isAdmin {
+		options["fullname"] = true
+		options["email"] = true
+	} else {
+		options["fullname"] = a.config.ShowFullName
+		options["email"] = a.config.ShowEmailAddress
+	}
+	user.Sanitize(options)
+}

server/model/user.go

@@ -101,3 +101,16 @@ func UserFromJSON(data io.Reader) (*User, error) {
 	}
 	return &user, nil
 }
+
+func (u *User) Sanitize(options map[string]bool) {
+	u.Password = ""
+	u.MfaSecret = ""
+
+	if len(options) != 0 && !options["email"] {
+		u.Email = ""
+	}
+	if len(options) != 0 && !options["fullname"] {
+		u.FirstName = ""
+		u.LastName = ""
+	}
+}

server/services/store/mattermostauthlayer/mattermostauthlayer.go

@@ -93,6 +93,7 @@ func (s *MattermostAuthLayer) GetUserByID(userID string) (*model.User, error) {
 	if err != nil {
 		return nil, err
 	}
+
 	user := mmUserToFbUser(mmuser)
 	return &user, nil
 }

server/services/store/mattermostauthlayer/mattermostauthlayer_test.go

@@ -18,7 +18,6 @@ var errTest = errors.New("failed to patch bot")
 func TestGetBoardsBotID(t *testing.T) {
 	ctrl := gomock.NewController(t)
 	servicesAPI := mockservicesapi.NewMockServicesAPI(ctrl)
-
 	mmAuthLayer, _ := New("test", nil, nil, mlog.CreateConsoleTestLogger(true, mlog.LvlError), servicesAPI, "")
 
 	servicesAPI.EXPECT().EnsureBot(model.FocalboardBot).Return("", errTest)