signaller/internal/backends/memory/user.go
2019-08-07 13:11:51 +04:00

342 lines
8.2 KiB
Go

package memory
import (
"fmt"
"sync"
"time"
"github.com/signaller-matrix/signaller/internal"
"github.com/signaller-matrix/signaller/internal/models"
"github.com/signaller-matrix/signaller/internal/models/common"
"github.com/signaller-matrix/signaller/internal/models/createroom"
"github.com/signaller-matrix/signaller/internal/models/devices"
"github.com/signaller-matrix/signaller/internal/models/rooms"
)
type User struct {
name string
password string
Tokens map[string]Token
filters map[string]common.Filter
backend *Backend
mutex sync.RWMutex
}
func (user *User) ID() string {
return "@" + user.name + ":" + user.backend.hostname
}
func (user *User) Name() string {
return user.name
}
func (user *User) Password() string {
return user.password
}
func (user *User) CreateRoom(request createroom.Request) (internal.Room, models.ApiError) {
for _, existingRoom := range user.backend.rooms {
if existingRoom.AliasName() == request.RoomAliasName { // TODO: strip and check request room alias name before use
return nil, models.NewError(models.M_ROOM_IN_USE, "")
}
}
t := time.Now()
events := make([]RoomEvent, 0)
// Create room event
events = append(events, RoomEvent{
Content: nil,
Type: rooms.Create,
EventID: internal.RandomString(eventIDSize),
Sender: user,
OriginServerTS: t})
// TODO: Add join room event
// Set join rules event
events = append(events, RoomEvent{
Content: []byte(request.Visibility), // TODO: check visibility vs join rules
Type: rooms.JoinRules,
EventID: internal.RandomString(eventIDSize),
Sender: user,
OriginServerTS: t})
// Set room name event
if request.Name != "" {
events = append(events, RoomEvent{
Content: nil, // TODO: add
Type: rooms.Name,
EventID: internal.RandomString(eventIDSize),
Sender: user,
OriginServerTS: t})
}
// Set room alias event
if request.RoomAliasName != "" {
events = append(events, RoomEvent{
Content: nil, // TODO: add
Type: rooms.CanonicalAlias,
EventID: internal.RandomString(eventIDSize),
Sender: user,
OriginServerTS: t})
}
room := &Room{
id: internal.RandomString(groupIDSize),
aliasName: request.RoomAliasName,
name: request.Name,
topic: request.Topic,
creator: user,
joined: []internal.User{user},
visibility: request.Visibility,
server: user.backend,
state: request.Preset}
for i, _ := range events {
events[i].Room = room
//v.Room = room
}
for i, _ := range events {
user.backend.PutEvent(events[i].ToEvent())
}
user.backend.rooms[room.ID()] = room
return room, nil
}
func (user *User) SetTopic(room internal.Room, topic string) models.ApiError {
room.(*Room).mutex.Lock()
defer room.(*Room).mutex.Unlock()
if room.(*Room).creator.ID() != user.ID() { // TODO: currently only creator can change topic
return models.NewError(models.M_FORBIDDEN, "")
}
room.(*Room).topic = topic
rEvent := &RoomEvent{
Type: rooms.Topic,
Sender: user,
OriginServerTS: time.Now(),
Room: room}
user.backend.PutEvent(rEvent.ToEvent())
return nil
}
func (user *User) Invite(room internal.Room, invitee internal.User) models.ApiError {
memRoom := room.(*Room)
memRoom.mutex.Lock()
defer memRoom.mutex.Unlock()
userInRoom := false
for _, roomUser := range memRoom.joined {
if user.ID() == roomUser.ID() {
userInRoom = true
}
}
if !userInRoom {
return models.NewError(models.M_FORBIDDEN, "the inviter is not currently in the room") // TODO: check code
}
// TODO: remove repeated cycle
for _, roomUser := range memRoom.joined {
if roomUser.ID() == invitee.ID() {
return models.NewError(models.M_FORBIDDEN, "the invitee is already a member of the room.") // TODO: check code
}
}
for _, inviteeUser := range memRoom.invites {
if inviteeUser.ID() == invitee.ID() {
return models.NewError(models.M_FORBIDDEN, "user already has been invited") // TODO: check code
}
}
memRoom.invites = append(memRoom.invites, invitee) // TODO: add invite event + info about inviter
return nil
}
func (user *User) LeaveRoom(room internal.Room) models.ApiError {
room.(*Room).mutex.Lock()
defer room.(*Room).mutex.Unlock()
for i, roomMember := range room.(*Room).joined {
if roomMember.ID() == user.ID() {
room.(*Room).joined = append(room.(*Room).joined[:i], room.(*Room).joined[i+1:]...) // TODO: add event
return nil
}
}
return models.NewError(models.M_BAD_STATE, "you are not a member of group") // TODO: check error code
}
func (user *User) SendMessage(room internal.Room, text string) models.ApiError {
room.(*Room).mutex.Lock()
defer room.(*Room).mutex.Unlock()
userInRoom := false
for _, roomMember := range room.(*Room).joined {
if roomMember.ID() == user.ID() {
userInRoom = true
}
}
if !userInRoom {
return models.NewError(models.M_FORBIDDEN, "")
}
rEvent := &RoomEvent{
Content: nil,
Type: rooms.Message,
EventID: internal.RandomString(defaultTokenSize),
Sender: user,
OriginServerTS: time.Now(),
Room: room}
user.backend.PutEvent(rEvent.ToEvent())
return nil
}
func (user *User) JoinedRooms() []internal.Room {
user.backend.mutex.Lock()
defer user.backend.mutex.Unlock()
var result []internal.Room
for _, room := range user.backend.rooms {
for _, user := range room.(*Room).joined {
if user.ID() == user.ID() {
result = append(result, room)
}
}
}
return result
}
func (user *User) Devices() []devices.Device {
user.backend.mutex.Lock()
defer user.backend.mutex.Unlock()
var result []devices.Device
for _, token := range user.Tokens {
device := devices.Device{
DeviceID: token.Device}
result = append(result, device)
}
return result
}
func (user *User) SetRoomVisibility(room internal.Room, visibilityType createroom.VisibilityType) models.ApiError {
if user.ID() != room.Creator().ID() {
return models.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()
user.password = newPassword
}
func (user *User) Logout(token string) {
delete(user.Tokens, token)
}
func (user *User) LogoutAll() {
user.Tokens = make(map[string]Token)
}
func (user *User) JoinRoom(room internal.Room) models.ApiError {
memRoom := room.(*Room)
memRoom.mutex.Lock()
defer memRoom.mutex.Unlock()
for _, roomUser := range memRoom.joined {
if roomUser.ID() == user.ID() {
return models.NewError(models.M_BAD_STATE, "user already in room") // TODO: check code
}
}
memRoom.joined = append(memRoom.joined, user)
return nil
}
func (user *User) AddRoomAlias(room internal.Room, alias string) models.ApiError {
user.backend.mutex.Lock()
defer user.backend.mutex.Unlock()
if room.Creator().ID() != user.ID() {
return models.NewError(models.M_FORBIDDEN, "only room creator can add room alias") // TODO: make room admins can use this method
}
if _, exists := user.backend.roomAliases[alias]; exists {
return models.NewError(models.M_UNKNOWN, fmt.Sprintf("room alias #%s:%s already exists", alias, user.backend.hostname))
}
user.backend.roomAliases[alias] = room
return nil
}
func (user *User) DeleteRoomAlias(alias string) models.ApiError {
user.backend.mutex.Lock()
defer user.backend.mutex.Unlock()
room := user.backend.GetRoomByAlias(alias)
if room == nil {
return models.NewError(models.M_NOT_FOUND, "room not found")
}
if room.Creator().ID() != user.ID() {
return models.NewError(models.M_FORBIDDEN, "only room creator can delete room alias") // TODO: make room admins can use this method
}
delete(user.backend.roomAliases, alias)
return nil
}
func (user *User) AddFilter(filterID string, filter common.Filter) {
user.mutex.Lock()
defer user.mutex.Unlock()
user.filters[filterID] = filter
}
func (user *User) GetFilterByID(filterID string) *common.Filter {
user.mutex.RLock()
defer user.mutex.RUnlock()
if filterReq, ok := user.filters[filterID]; ok {
return &filterReq
}
return nil
}