Implement ListRoom GET/PUT methods

STATUS.md

@@ -11,4 +11,6 @@ Implemented from [Client-Server API](https://matrix.org/docs/spec/client_server/
 - [x] [5.7.1 GET /_matrix/client/r0/account/whoami](https://matrix.org/docs/spec/client_server/latest#get-matrix-client-r0-account-whoami)
 - [x] [6.1 GET /_matrix/client/r0/capabilities](https://matrix.org/docs/spec/client_server/latest#get-matrix-client-r0-capabilities)
 - [x] [10.4.1 GET /_matrix/client/r0/joined_rooms](https://matrix.org/docs/spec/client_server/latest#get-matrix-client-r0-joined-rooms)
+- [x] [10.5.1 GET /_matrix/client/r0/directory/list/room/{roomId}](https://matrix.org/docs/spec/client_server/latest#get-matrix-client-r0-directory-list-room-roomid)
+- [x] [10.5.2 PUT /_matrix/client/r0/directory/list/room/{roomId}](https://matrix.org/docs/spec/client_server/latest#put-matrix-client-r0-directory-list-room-roomid)
 - [x] [13.10.1.1 GET /_matrix/client/r0/devices](https://matrix.org/docs/spec/client_server/latest#get-matrix-client-r0-devices)

internal/backend.go

@@ -12,6 +12,7 @@ type Backend interface {
 	Register(username, password, device string) (user User, token string, err *models.ApiError)
 	Login(username, password, device string) (token string, err *models.ApiError)
 	GetUserByToken(token string) (user User)
+	GetRoomByID(id string) Room
 	Sync(token string, request sync.SyncRequest) (response *sync.SyncReply, err *models.ApiError)
 }
 
@@ -23,6 +24,7 @@ type Room interface {
 	Name() string
 	Topic() string
 	Events() []rooms.Event
+	Visibility() createroom.VisibilityType
 }
 
 type User interface {
@@ -36,6 +38,7 @@ type User interface {
 	JoinedRooms() []Room
 	ChangePassword(newPassword string)
 	Devices() []devices.Device
+	SetRoomVisibility(Room, createroom.VisibilityType) *models.ApiError
 	Logout(token string)
 	LogoutAll()
 }

internal/backends/memory/backend.go

@@ -90,3 +90,16 @@ func (backend *Backend) GetUserByToken(token string) internal.User {
 
 	return nil
 }
+
+func (backend *Backend) GetRoomByID(id string) internal.Room {
+	backend.mutex.Lock()
+	defer backend.mutex.Unlock()
+
+	for roomID, room := range backend.rooms {
+		if roomID == id {
+			return room
+		}
+	}
+
+	return nil
+}

internal/backends/memory/backend_test.go

@@ -4,6 +4,8 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
+
+	"github.com/nxshock/signaller/internal/models/createroom"
 )
 
 func TestRegisterUser(t *testing.T) {
@@ -89,3 +91,21 @@ func TestLogout(t *testing.T) {
 
 	assert.Nil(t, backend.GetUserByToken(token))
 }
+
+func TestGetRoomByID(t *testing.T) {
+	backend := NewBackend("localhost")
+
+	user, token, err := backend.Register("user", "", "")
+	assert.Nil(t, err)
+	assert.NotNil(t, user)
+	assert.NotEmpty(t, token)
+
+	request := createroom.Request{
+		RoomAliasName: "room1",
+		Name:          "room1"}
+
+	room, err := user.CreateRoom(request)
+	assert.Nil(t, err)
+	assert.NotNil(t, room)
+	assert.Equal(t, room.ID(), backend.GetRoomByID(room.ID()).ID())
+}

internal/backends/memory/rooms.go

@@ -10,7 +10,7 @@ import (
 
 type Room struct {
 	id         string
-	Visibility createroom.VisibilityType
+	visibility createroom.VisibilityType
 	aliasName  string
 	name       string
 	topic      string
@@ -72,6 +72,13 @@ func (room *Room) Events() []rooms.Event {
 	return result
 }
 
+func (room *Room) Visibility() createroom.VisibilityType {
+	room.mutex.RLock()
+	defer room.mutex.RUnlock()
+
+	return room.visibility
+}
+
 func (room *Room) Creator() internal.User {
 	room.mutex.RLock()
 	defer room.mutex.RUnlock()

internal/backends/memory/user.go

@@ -90,6 +90,7 @@ func (user *User) CreateRoom(request createroom.Request) (internal.Room, *models
 		events:     events,
 		creator:    user,
 		joined:     []internal.User{user},
+		visibility: request.Visibility,
 		server:     user.backend}
 
 	for i, _ := range room.events {
@@ -97,7 +98,7 @@ func (user *User) CreateRoom(request createroom.Request) (internal.Room, *models
 		//v.Room = room
 	}
 
-	user.backend.rooms[room.id] = room
+	user.backend.rooms[room.ID()] = room
 
 	return room, nil
 }
@@ -193,6 +194,19 @@ func (user *User) Devices() []devices.Device {
 	return result
 }
 
+func (user *User) SetRoomVisibility(room internal.Room, visibilityType createroom.VisibilityType) *models.ApiError {
+	if user.ID() != room.Creator().ID() {
+		return internal.NewError(models.M_FORBIDDEN, "only room owner can change visibility") // TODO: room administrators can use this method too
+	}
+
+	room.(*Room).mutex.Lock()
+	defer room.(*Room).mutex.Unlock()
+
+	room.(*Room).visibility = visibilityType
+
+	return nil
+}
+
 func (user *User) ChangePassword(newPassword string) {
 	user.mutex.Lock()
 	defer user.mutex.Unlock()

internal/backends/memory/user_test.go

@@ -143,3 +143,24 @@ func TestDevices(t *testing.T) {
 	assert.Len(t, devices, 1)
 	assert.Equal(t, expectedDeviceID, devices[0].DeviceID)
 }
+
+func TestSetRoomVisibility(t *testing.T) {
+	backend := NewBackend("localhost")
+
+	user, _, err := backend.Register("user1", "", "")
+	assert.Nil(t, err)
+
+	request := createroom.Request{
+		RoomAliasName: "room1",
+		Name:          "room1",
+		Visibility:    createroom.VisibilityTypePrivate}
+
+	room, err := user.CreateRoom(request)
+	assert.Nil(t, err)
+	assert.NotNil(t, room)
+	assert.Equal(t, createroom.VisibilityTypePrivate, room.Visibility())
+
+	err = user.SetRoomVisibility(room, createroom.VisibilityTypePublic)
+	assert.Nil(t, err)
+	assert.Equal(t, createroom.VisibilityTypePublic, room.Visibility())
+}

internal/handlers.go

@@ -8,11 +8,14 @@ import (
 	"strconv"
 	"strings"
 
+	"github.com/gorilla/mux"
+
 	"github.com/nxshock/signaller/internal/models/common"
 
 	"github.com/nxshock/signaller/internal/models"
 	"github.com/nxshock/signaller/internal/models/capabilities"
 	"github.com/nxshock/signaller/internal/models/joinedrooms"
+	"github.com/nxshock/signaller/internal/models/listroom"
 	login "github.com/nxshock/signaller/internal/models/login"
 	"github.com/nxshock/signaller/internal/models/password"
 	register "github.com/nxshock/signaller/internal/models/register"
@@ -290,6 +293,48 @@ func DevicesHandler(w http.ResponseWriter, r *http.Request) {
 
 }
 
+// https://matrix.org/docs/spec/client_server/latest#get-matrix-client-r0-directory-list-room-roomid
+// https://matrix.org/docs/spec/client_server/latest#put-matrix-client-r0-directory-list-room-roomid
+func listRoomHandler(w http.ResponseWriter, r *http.Request) {
+	room := currServer.Backend.GetRoomByID(mux.Vars(r)["roomID"]) // TODO: can ["roomID"] throw panic?
+	if room == nil {
+		errorResponse(w, models.M_NOT_FOUND, http.StatusBadRequest, "room not found")
+		return
+	}
+
+	switch r.Method {
+	case http.MethodGet:
+		response := listroom.Response{
+			Visibility: room.Visibility()}
+
+		sendJsonResponse(w, http.StatusOK, response)
+	case http.MethodPut:
+		token := getTokenFromResponse(r)
+		if token == "" {
+			errorResponse(w, models.M_FORBIDDEN, http.StatusForbidden, "")
+			return
+		}
+
+		user := currServer.Backend.GetUserByToken(token)
+		if user == nil {
+			errorResponse(w, models.M_UNKNOWN_TOKEN, http.StatusBadRequest, "")
+			return
+		}
+
+		var request listroom.Request
+		err := getRequest(r, &request)
+		if err != nil {
+			errorResponse(w, models.M_BAD_JSON, http.StatusBadRequest, err.Error())
+			return
+		}
+		user.SetRoomVisibility(room, request.Visibility)
+
+		sendJsonResponse(w, http.StatusOK, struct{}{})
+	default:
+		errorResponse(w, models.M_UNKNOWN, http.StatusBadRequest, "wrong method: "+r.Method)
+	}
+}
+
 func sendJsonResponse(w http.ResponseWriter, httpStatus int, data interface{}) error {
 	b, err := json.Marshal(data)
 	if err != nil {

internal/models/createroom/request.go

@@ -9,7 +9,7 @@ type VisibilityType string
 
 const (
 	VisibilityTypePrivate VisibilityType = "private"
-	VisibilityTypePublic                 = "public"
+	VisibilityTypePublic  VisibilityType = "public"
 )
 
 type Preset string

internal/models/listroom/listroom.go

@@ -0,0 +1,13 @@
+package listroom
+
+import (
+	"github.com/nxshock/signaller/internal/models/createroom"
+)
+
+type Request struct {
+	Visibility createroom.VisibilityType `json:"visibility"` // The new visibility setting for the room. Defaults to 'public'. One of: ["private", "public"]
+}
+
+type Response struct {
+	Visibility createroom.VisibilityType `json:"visibility"` //  	The visibility of the room in the directory. One of: ["private", "public"]
+}

internal/server.go

@@ -1,14 +1,12 @@
 package internal
 
 import (
+	"errors"
 	"net/http"
+	"strconv"
 
 	"github.com/gorilla/mux"
 
-	"errors"
-
-	"strconv"
-
 	"github.com/nxshock/signaller/internal/models/capabilities"
 )
 
@@ -38,6 +36,7 @@ func NewServer(port int) (*Server, error) {
 	router.HandleFunc("/_matrix/client/r0/sync", SyncHandler)
 	router.HandleFunc("/_matrix/client/r0/capabilities", CapabilitiesHandler)
 	router.HandleFunc("/_matrix/client/r0/devices", DevicesHandler)
+	router.HandleFunc("/_matrix/client/r0/directory/list/room/{roomID}", listRoomHandler)
 	router.HandleFunc("/", RootHandler)
 
 	if port <= 0 || port > 65535 {