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// Copyright (c) 2020 Gary Kim <gary@garykim.dev>, All Rights Reserved
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package user
import (
"encoding/xml"
"reflect"
"github.com/monaco-io/request"
)
const (
ocsCapabilitiesEndpoint = "/ocs/v2.php/cloud/capabilities"
)
// TalkUser represents a user of Nextcloud Talk
type TalkUser struct {
User string
Pass string
NextcloudURL string
capabilities *Capabilities
}
// Capabilities describes the capabilities that the Nextcloud Talk instance is capable of. Visit https://nextcloud-talk.readthedocs.io/en/latest/capabilities/ for more info.
type Capabilities struct {
Audio bool `ocscapability:"audio"`
Video bool `ocscapability:"video"`
Chat bool `ocscapability:"chat"`
GuestSignaling bool `ocscapability:"guest-signaling"`
EmptyGroupRoom bool `ocscapability:"empty-group-room"`
GuestDisplayNames bool `ocscapability:"guest-display-names"`
MultiRoomUsers bool `ocscapability:"multi-room-users"`
ChatV2 bool `ocscapability:"chat-v2"`
Favorites bool `ocscapability:"favorites"`
LastRoomActivity bool `ocscapability:"last-room-activity"`
NoPing bool `ocscapability:"no-ping"`
SystemMessages bool `ocscapability:"system-messages"`
MentionFlag bool `ocscapability:"mention-flag"`
InCallFlags bool `ocscapability:"in-call-flags"`
InviteByMail bool `ocscapability:"invite-by-mail"`
NotificationLevels bool `ocscapability:"notification-levels"`
InviteGroupsAndMails bool `ocscapability:"invite-groups-and-mails"`
LockedOneToOneRooms bool `ocscapability:"locked-one-to-one-rooms"`
ReadOnlyRooms bool `ocscapability:"read-only-rooms"`
ChatReadMarker bool `ocscapability:"chat-read-marker"`
WebinaryLobby bool `ocscapability:"webinary-lobby"`
StartCallFlag bool `ocscapability:"start-call-flag"`
ChatReplies bool `ocscapability:"chat-replies"`
CirclesSupport bool `ocscapability:"circles-support"`
AttachmentsAllowed bool `ocscapability:"config => attachments => allowed"`
AttachmentsFolder bool `ocscapability:"config => attachments => folder"`
ConversationsCanCreate bool `ocscapability:"config => conversations => can-create"`
ForceMute bool `ocscapability:"force-mute"`
ConversationV2 bool `ocscapability:"conversation-v2"`
ChatReferenceID bool `ocscapability:"chat-reference-id"`
}
type capabilitiesRequest struct {
XMLName xml.Name `xml:"ocs"`
Capabilities []string `xml:"ocs>data>capabilities>spreed>features>element"`
}
// RequestClient returns a monaco-io that is preconfigured to make OCS API calls
func (t *TalkUser) RequestClient(client request.Client) *request.Client {
if client.Header == nil {
client.Header = make(map[string]string)
}
if client.Header["OCS-APIRequest"] == "" {
client.Header["OCS-APIRequest"] = "true"
}
if client.Header["Accept"] == "" {
client.Header["Accept"] = "application/json"
}
client.BasicAuth = request.BasicAuth{
Username: t.User,
Password: t.Pass,
}
return &client
}
// Capabilities returns an instance of Capabilities that describes what the Nextcloud Talk instance supports
func (t *TalkUser) Capabilities() (*Capabilities, error) {
if t.capabilities != nil {
return t.capabilities, nil
}
client := t.RequestClient(request.Client{
URL: ocsCapabilitiesEndpoint,
Header: map[string]string{
"Accept": "application/xml",
},
})
res, err := client.Do()
if err != nil {
return nil, err
}
capabilities := &capabilitiesRequest{}
err = xml.Unmarshal(res.Data, capabilities)
if err != nil {
return nil, err
}
tr := &Capabilities{}
c := reflect.ValueOf(tr)
for i := 0; i < c.NumField(); i++ {
field := c.Field(i)
tag := field.Type().Field(0).Tag.Get("ocscapability")
for _, capability := range capabilities.Capabilities {
if capability == tag && field.CanSet() {
field.SetBool(true)
}
}
}
t.capabilities = tr
return tr, nil
}
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