Add TLSConfig to nctalk (#1195)

Signed-off-by: Gary Kim <gary@garykim.dev>

vendor/gomod.garykim.dev/nc-talk/room/room.go

@@ -16,7 +16,6 @@ package room
 
 import (
 	"context"
-	"encoding/json"
 	"errors"
 	"io/ioutil"
 	"time"
@@ -28,12 +27,38 @@ import (
 	"gomod.garykim.dev/nc-talk/user"
 )
 
+var (
+	// ErrEmptyToken is returned when the room token is empty
+	ErrEmptyToken = errors.New("given an empty token")
+	// ErrRoomNotFound is returned when a room with the given token could not be found
+	ErrRoomNotFound = errors.New("room could not be found")
+	// ErrNotModeratorInLobby is returned when the room is in lobby mode but the user is not a moderator
+	ErrNotModeratorInLobby = errors.New("room is in lobby mode but user is not a moderator")
+	// ErrUnexpectedReturnCode is returned when the server did not respond with an expected return code
+	ErrUnexpectedReturnCode = errors.New("unexpected return code")
+)
+
 // TalkRoom represents a room in Nextcloud Talk
 type TalkRoom struct {
 	User  *user.TalkUser
 	Token string
 }
 
+// NewTalkRoom returns a new TalkRoom instance
+// Token should be the Nextcloud Room Token (e.g. "d6zoa2zs" if the room URL is https://cloud.mydomain.me/call/d6zoa2zs)
+func NewTalkRoom(tuser *user.TalkUser, token string) (*TalkRoom, error) {
+	if token == "" {
+		return nil, ErrEmptyToken
+	}
+	if tuser == nil {
+		return nil, user.ErrUserIsNil
+	}
+	return &TalkRoom{
+		User:  tuser,
+		Token: token,
+	}, nil
+}
+
 // SendMessage sends a message in the Talk room
 func (t *TalkRoom) SendMessage(msg string) (*ocs.TalkRoomMessageData, error) {
 	url := t.User.NextcloudURL + constants.BaseEndpoint + "/chat/" + t.Token
@@ -51,18 +76,22 @@ func (t *TalkRoom) SendMessage(msg string) (*ocs.TalkRoomMessageData, error) {
 		return nil, err
 	}
 	if res.StatusCode() != 201 {
-		return nil, errors.New("unexpected return code")
+		return nil, ErrUnexpectedReturnCode
 	}
-	var msgInfo struct {
-		OCS ocs.TalkRoomSentResponse `json:"ocs"`
+	msgInfo, err := ocs.TalkRoomSentResponseUnmarshal(&res.Data)
+	if err != nil {
+		return nil, err
 	}
-	err = json.Unmarshal(res.Data, &msgInfo)
 	return &msgInfo.OCS.TalkRoomMessage, err
 }
 
 // ReceiveMessages starts watching for new messages
 func (t *TalkRoom) ReceiveMessages(ctx context.Context) (chan ocs.TalkRoomMessageData, error) {
 	c := make(chan ocs.TalkRoomMessageData)
+	err := t.TestConnection()
+	if err != nil {
+		return nil, err
+	}
 	url := t.User.NextcloudURL + constants.BaseEndpoint + "/chat/" + t.Token
 	requestParam := map[string]string{
 		"lookIntoFuture":   "1",
@@ -99,14 +128,11 @@ func (t *TalkRoom) ReceiveMessages(ctx context.Context) (chan ocs.TalkRoomMessag
 			}
 			if res.StatusCode == 200 {
 				lastKnown = res.Header.Get("X-Chat-Last-Given")
-				var message struct {
-					OCS ocs.TalkRoomMessage `json:"ocs"`
-				}
 				data, err := ioutil.ReadAll(res.Body)
 				if err != nil {
 					continue
 				}
-				err = json.Unmarshal(data, &message)
+				message, err := ocs.TalkRoomMessageDataUnmarshal(&data)
 				if err != nil {
 					continue
 				}
@@ -121,6 +147,9 @@ func (t *TalkRoom) ReceiveMessages(ctx context.Context) (chan ocs.TalkRoomMessag
 
 // TestConnection tests the connection with the Nextcloud Talk instance and returns an error if it could not connect
 func (t *TalkRoom) TestConnection() error {
+	if t.Token == "" {
+		return ErrEmptyToken
+	}
 	url := t.User.NextcloudURL + constants.BaseEndpoint + "/chat/" + t.Token
 	requestParam := map[string]string{
 		"lookIntoFuture":   "0",
@@ -142,9 +171,9 @@ func (t *TalkRoom) TestConnection() error {
 	case 304:
 		return nil
 	case 404:
-		return errors.New("room could not be found")
+		return ErrRoomNotFound
 	case 412:
-		return errors.New("room is in lobby mode but user is not a moderator")
+		return ErrNotModeratorInLobby
 	}
-	return errors.New("unknown return code")
+	return ErrUnexpectedReturnCode
 }