273 lines
10 KiB
Go
273 lines
10 KiB
Go
// Copyright (c) 2020 Gary Kim <gary@garykim.dev>, All Rights Reserved
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package user
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import (
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"crypto/tls"
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"encoding/json"
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"errors"
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"strings"
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"github.com/monaco-io/request"
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"gomod.garykim.dev/nc-talk/constants"
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"gomod.garykim.dev/nc-talk/ocs"
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)
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const (
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ocsCapabilitiesEndpoint = "/ocs/v2.php/cloud/capabilities"
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ocsRoomsEndpoint = "/ocs/v2.php/apps/spreed/api/v2/room"
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)
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var (
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// ErrUserIsNil is returned when a funciton is called with an nil user.
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ErrUserIsNil = errors.New("user is nil")
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)
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// TalkUser represents a user of Nextcloud Talk
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type TalkUser struct {
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User string
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Pass string
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NextcloudURL string
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Config *TalkUserConfig
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capabilities *Capabilities
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}
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// TalkUserConfig is configuration options for TalkUsers
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type TalkUserConfig struct {
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TLSConfig *tls.Config
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}
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// Capabilities describes the capabilities that the Nextcloud Talk instance is capable of. Visit https://nextcloud-talk.readthedocs.io/en/latest/capabilities/ for more info.
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type Capabilities struct {
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AttachmentsFolder string `ocscapability:"config => attachments => folder"`
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ChatMaxLength int
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Audio bool `ocscapability:"audio"`
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Video bool `ocscapability:"video"`
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Chat bool `ocscapability:"chat"`
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GuestSignaling bool `ocscapability:"guest-signaling"`
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EmptyGroupRoom bool `ocscapability:"empty-group-room"`
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GuestDisplayNames bool `ocscapability:"guest-display-names"`
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MultiRoomUsers bool `ocscapability:"multi-room-users"`
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ChatV2 bool `ocscapability:"chat-v2"`
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Favorites bool `ocscapability:"favorites"`
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LastRoomActivity bool `ocscapability:"last-room-activity"`
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NoPing bool `ocscapability:"no-ping"`
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SystemMessages bool `ocscapability:"system-messages"`
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MentionFlag bool `ocscapability:"mention-flag"`
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InCallFlags bool `ocscapability:"in-call-flags"`
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InviteByMail bool `ocscapability:"invite-by-mail"`
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NotificationLevels bool `ocscapability:"notification-levels"`
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InviteGroupsAndMails bool `ocscapability:"invite-groups-and-mails"`
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LockedOneToOneRooms bool `ocscapability:"locked-one-to-one-rooms"`
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ReadOnlyRooms bool `ocscapability:"read-only-rooms"`
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ChatReadMarker bool `ocscapability:"chat-read-marker"`
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WebinaryLobby bool `ocscapability:"webinary-lobby"`
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StartCallFlag bool `ocscapability:"start-call-flag"`
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ChatReplies bool `ocscapability:"chat-replies"`
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CirclesSupport bool `ocscapability:"circles-support"`
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AttachmentsAllowed bool `ocscapability:"config => attachments => allowed"`
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ConversationsCanCreate bool `ocscapability:"config => conversations => can-create"`
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ForceMute bool `ocscapability:"force-mute"`
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ConversationV2 bool `ocscapability:"conversation-v2"`
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ChatReferenceID bool `ocscapability:"chat-reference-id"`
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}
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// RoomInfo contains information about a room
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type RoomInfo struct {
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Token string `json:"token"`
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Name string `json:"name"`
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DisplayName string `json:"displayName"`
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SessionID string `json:"sessionId"`
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ObjectType string `json:"objectType"`
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ObjectID string `json:"objectId"`
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Type int `json:"type"`
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ParticipantType int `json:"participantType"`
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ParticipantFlags int `json:"participantFlags"`
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ReadOnly int `json:"readOnly"`
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LastPing int `json:"lastPing"`
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LastActivity int `json:"lastActivity"`
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NotificationLevel int `json:"notificationLevel"`
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LobbyState int `json:"lobbyState"`
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LobbyTimer int `json:"lobbyTimer"`
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UnreadMessages int `json:"unreadMessages"`
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LastReadMessage int `json:"lastReadMessage"`
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HasPassword bool `json:"hasPassword"`
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HasCall bool `json:"hasCall"`
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CanStartCall bool `json:"canStartCall"`
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CanDeleteConversation bool `json:"canDeleteConversation"`
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CanLeaveConversation bool `json:"canLeaveConversation"`
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IsFavorite bool `json:"isFavorite"`
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UnreadMention bool `json:"unreadMention"`
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LastMessage *ocs.TalkRoomMessageData `json:"lastMessage"`
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}
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// NewUser returns a TalkUser instance
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// The url should be the full URL of the Nextcloud instance (e.g. https://cloud.mydomain.me)
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func NewUser(url string, username string, password string, config *TalkUserConfig) (*TalkUser, error) {
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return &TalkUser{
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NextcloudURL: strings.TrimSuffix(url, "/"),
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User: username,
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Pass: password,
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Config: config,
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}, nil
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}
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// RequestClient returns a monaco-io that is preconfigured to make OCS API calls
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func (t *TalkUser) RequestClient(client request.Client) *request.Client {
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if client.Header == nil {
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client.Header = make(map[string]string)
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}
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if client.Header["OCS-APIRequest"] == "" {
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client.Header["OCS-APIRequest"] = "true"
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}
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if client.Header["Accept"] == "" {
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client.Header["Accept"] = "application/json"
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}
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client.BasicAuth = request.BasicAuth{
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Username: t.User,
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Password: t.Pass,
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}
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// Set Nextcloud URL if there is no host
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if !strings.HasPrefix(client.URL, t.NextcloudURL) {
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if strings.HasPrefix(client.URL, "/") {
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client.URL = t.NextcloudURL + client.URL
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} else {
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client.URL = t.NextcloudURL + "/" + client.URL
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}
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}
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// Set TLS Config
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if t.Config != nil {
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client.TLSConfig = t.Config.TLSConfig
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}
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return &client
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}
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// GetRooms returns a list of all rooms the user is in
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func (t *TalkUser) GetRooms() (*[]RoomInfo, error) {
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client := t.RequestClient(request.Client{
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URL: ocsRoomsEndpoint,
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})
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res, err := client.Do()
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if err != nil {
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return nil, err
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}
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var roomsRequest struct {
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OCS struct {
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Data []RoomInfo `json:"data"`
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} `json:"ocs"`
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}
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err = json.Unmarshal(res.Data, &roomsRequest)
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if err != nil {
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return nil, err
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}
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return &roomsRequest.OCS.Data, nil
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}
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// Capabilities returns an instance of Capabilities that describes what the Nextcloud Talk instance supports
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func (t *TalkUser) Capabilities() (*Capabilities, error) {
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if t.capabilities != nil {
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return t.capabilities, nil
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}
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client := t.RequestClient(request.Client{
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URL: ocsCapabilitiesEndpoint,
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})
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res, err := client.Do()
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if err != nil {
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return nil, err
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}
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capabilitiesRequest := &struct {
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Ocs ocs.Capabilities `json:"ocs"`
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}{}
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err = json.Unmarshal(res.Data, capabilitiesRequest)
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if err != nil {
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return nil, err
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}
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sc := capabilitiesRequest.Ocs.Data.Capabilities.SpreedCapabilities
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tr := &Capabilities{
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Audio: sliceContains(sc.Features, "audio"),
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Video: sliceContains(sc.Features, "video"),
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Chat: sliceContains(sc.Features, "chat"),
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GuestSignaling: sliceContains(sc.Features, "guest-signaling"),
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EmptyGroupRoom: sliceContains(sc.Features, "empty-group-room"),
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GuestDisplayNames: sliceContains(sc.Features, "guest-display-names"),
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MultiRoomUsers: sliceContains(sc.Features, "multi-room-users"),
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ChatV2: sliceContains(sc.Features, "chat-v2"),
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Favorites: sliceContains(sc.Features, "favorites"),
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LastRoomActivity: sliceContains(sc.Features, "last-room-activity"),
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NoPing: sliceContains(sc.Features, "no-ping"),
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SystemMessages: sliceContains(sc.Features, "system-messages"),
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MentionFlag: sliceContains(sc.Features, "mention-flag"),
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InCallFlags: sliceContains(sc.Features, "in-call-flags"),
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InviteByMail: sliceContains(sc.Features, "invite-by-mail"),
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NotificationLevels: sliceContains(sc.Features, "notification-levels"),
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InviteGroupsAndMails: sliceContains(sc.Features, "invite-groups-and-mails"),
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LockedOneToOneRooms: sliceContains(sc.Features, "locked-one-to-one-rooms"),
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ReadOnlyRooms: sliceContains(sc.Features, "read-only-rooms"),
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ChatReadMarker: sliceContains(sc.Features, "chat-read-marker"),
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WebinaryLobby: sliceContains(sc.Features, "webinary-lobby"),
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StartCallFlag: sliceContains(sc.Features, "start-call-flag"),
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ChatReplies: sliceContains(sc.Features, "chat-replies"),
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CirclesSupport: sliceContains(sc.Features, "circles-support"),
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AttachmentsAllowed: sc.Config.Attachments.Allowed,
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AttachmentsFolder: sc.Config.Attachments.Folder,
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ConversationsCanCreate: sc.Config.Conversations.CanCreate,
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ForceMute: sliceContains(sc.Features, "force-mute"),
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ConversationV2: sliceContains(sc.Features, "conversation-v2"),
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ChatReferenceID: sliceContains(sc.Features, "chat-reference-id"),
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ChatMaxLength: sc.Config.Chat.MaxLength,
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}
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t.capabilities = tr
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return tr, nil
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}
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// sliceContains does the slice contain the string
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func sliceContains(s []string, search string) bool {
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for _, n := range s {
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if n == search {
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return true
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}
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}
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return false
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}
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// DownloadFile downloads the file at the given path
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//
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// Meant to be used with rich object string's path.
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func (t *TalkUser) DownloadFile(path string) (data *[]byte, err error) {
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url := t.NextcloudURL + constants.RemoteDavEndpoint(t.User, "files") + path
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c := t.RequestClient(request.Client{
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URL: url,
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})
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res, err := c.Do()
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if err != nil || res.StatusCode() != 200 {
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return
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}
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data = &res.Data
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return
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}
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