Add capabilities and minimum compatability with Talk 12.0

Signed-off-by: Gary Kim <[email protected]>

ocs/capabilities.go

@@ -34,9 +34,13 @@ type SpreedCapabilities struct {
 		} `json:"attachments"`
 		Chat struct {
 			MaxLength int `json:"max-length"`
+			ReadPrivacy int `json:"read-privacy"`
 		} `json:"chat"`
 		Conversations struct {
 			CanCreate bool `json:"can-create"`
 		} `json:"conversations"`
+		Previews struct {
+			MaxGifSize int `json:"max-gif-size"`
+		} `json:"previews"`
 	} `json:"config"`
 }

user/user.go

@@ -28,12 +28,16 @@ import (
 
 const (
 	ocsCapabilitiesEndpoint = "/ocs/v2.php/cloud/capabilities"
-	ocsRoomsEndpoint        = "/ocs/v2.php/apps/spreed/api/v2/room"
+	ocsRoomsv2Endpoint = "/ocs/v2.php/apps/spreed/api/v2/room"
+	ocsRoomsv4Endpoint        = "/ocs/v2.php/apps/spreed/api/v4/room"
 )
 
 var (
 	// ErrUserIsNil is returned when a funciton is called with an nil user.
 	ErrUserIsNil = errors.New("user is nil")
+
+	// ErrCannotDownloadFile
+	ErrCannotDownloadFile = errors.New("cannot download file")
 )
 
 // TalkUser represents a user of Nextcloud Talk
@@ -83,6 +87,20 @@ type Capabilities struct {
 	ForceMute              bool `ocscapability:"force-mute"`
 	ConversationV2         bool `ocscapability:"conversation-v2"`
 	ChatReferenceID        bool `ocscapability:"chat-reference-id"`
+	ConversationV3         bool `ocscapability:"conversation-v3"`
+	ConversationV4         bool `ocscapability:"conversation-v4"`
+	SIPSupport             bool `ocscapability:"sip-support"`
+	ChatReadStatus         bool `ocscapability:"chat-read-status"`
+	ListableRooms          bool `ocscapability:"listable-rooms"`
+	PhonebookSearch        bool `ocscapability:"phonebook-search"`
+	RaiseHand              bool `ocscapability:"raise-hand"`
+	RoomDescription        bool `ocscapability:"room-description"`
+	DeleteMessages         bool `ocscapability:"delete-messages"`
+	RichObjectSharing      bool `ocscapability:"rich-object-sharing"`
+	ConversationCallFlags  bool `ocscapability:"conversation-call-flags"`
+	GeoLocationSharing     bool `ocscapability:"geo-location-sharing"`
+	ReadPrivacyConfig      bool `ocscapability:"config => chat => read-privacy"`
+	MaxGifSizeConfig       int `ocscapability:"config => previews => max-gif-size"`
 }
 
 // RoomInfo contains information about a room
@@ -160,8 +178,17 @@ func (t *TalkUser) RequestClient(client request.Client) *request.Client {
 
 // GetRooms returns a list of all rooms the user is in
 func (t *TalkUser) GetRooms() (*[]RoomInfo, error) {
+	endpoint := ocsRoomsv2Endpoint
+	cap, err := t.Capabilities()
+	if err != nil {
+		return nil, err
+	}
+	if (cap.ConversationV4) {
+		endpoint = ocsRoomsv4Endpoint
+	}
+
 	client := t.RequestClient(request.Client{
-		URL: ocsRoomsEndpoint,
+		URL: endpoint,
 	})
 	res, err := client.Do()
 	if err != nil {
@@ -239,6 +266,20 @@ func (t *TalkUser) Capabilities() (*Capabilities, error) {
 		ConversationV2:         sliceContains(sc.Features, "conversation-v2"),
 		ChatReferenceID:        sliceContains(sc.Features, "chat-reference-id"),
 		ChatMaxLength:          sc.Config.Chat.MaxLength,
+		ConversationV3: sliceContains(sc.Features, "conversation-v3"),
+		ConversationV4: sliceContains(sc.Features, "conversation-v4"),
+		SIPSupport: sliceContains(sc.Features, "sip-support"),
+		ChatReadStatus: sliceContains(sc.Features, "chat-read-status"),
+		ListableRooms: sliceContains(sc.Features, "listable-rooms"),
+		PhonebookSearch: sliceContains(sc.Features, "phonebook-search"),
+		RaiseHand: sliceContains(sc.Features, "raise-hand"),
+		RoomDescription: sliceContains(sc.Features, "room-description"),
+		ReadPrivacyConfig: sc.Config.Chat.ReadPrivacy != 0,
+		MaxGifSizeConfig: sc.Config.Previews.MaxGifSize,
+		DeleteMessages: sliceContains(sc.Features, "delete-messages"),
+		RichObjectSharing: sliceContains(sc.Features, "rich-object-sharing"),
+		ConversationCallFlags: sliceContains(sc.Features, "conversation-call-flags"),
+		GeoLocationSharing: sliceContains(sc.Features, "geo-location-sharing"),
 	}
 
 	t.capabilities = tr
@@ -264,7 +305,11 @@ func (t *TalkUser) DownloadFile(path string) (data *[]byte, err error) {
 		URL: url,
 	})
 	res, err := c.Do()
-	if err != nil || res.StatusCode() != 200 {
+	if err != nil {
+		return
+	}
+	if res.StatusCode() != 200 {
+		err = ErrCannotDownloadFile
 		return
 	}
 	data = &res.Data