mirror of
https://github.com/42wim/matterbridge.git
synced 2024-11-27 05:02:02 -08:00
94 lines
2.5 KiB
Go
94 lines
2.5 KiB
Go
// Copyright (c) 2021 Tulir Asokan
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla Public
|
|
// License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
package whatsmeow
|
|
|
|
import (
|
|
"fmt"
|
|
"time"
|
|
|
|
waBinary "go.mau.fi/whatsmeow/binary"
|
|
"go.mau.fi/whatsmeow/types"
|
|
)
|
|
|
|
//type MediaConnIP struct {
|
|
// IP4 net.IP
|
|
// IP6 net.IP
|
|
//}
|
|
|
|
// MediaConnHost represents a single host to download media from.
|
|
type MediaConnHost struct {
|
|
Hostname string
|
|
//IPs []MediaConnIP
|
|
}
|
|
|
|
// MediaConn contains a list of WhatsApp servers from which attachments can be downloaded from.
|
|
type MediaConn struct {
|
|
Auth string
|
|
AuthTTL int
|
|
TTL int
|
|
MaxBuckets int
|
|
FetchedAt time.Time
|
|
Hosts []MediaConnHost
|
|
}
|
|
|
|
// Expiry returns the time when the MediaConn expires.
|
|
func (mc *MediaConn) Expiry() time.Time {
|
|
return mc.FetchedAt.Add(time.Duration(mc.TTL) * time.Second)
|
|
}
|
|
|
|
func (cli *Client) refreshMediaConn(force bool) (*MediaConn, error) {
|
|
cli.mediaConnLock.Lock()
|
|
defer cli.mediaConnLock.Unlock()
|
|
if cli.mediaConnCache == nil || force || time.Now().After(cli.mediaConnCache.Expiry()) {
|
|
var err error
|
|
cli.mediaConnCache, err = cli.queryMediaConn()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
return cli.mediaConnCache, nil
|
|
}
|
|
|
|
func (cli *Client) queryMediaConn() (*MediaConn, error) {
|
|
resp, err := cli.sendIQ(infoQuery{
|
|
Namespace: "w:m",
|
|
Type: "set",
|
|
To: types.ServerJID,
|
|
Content: []waBinary.Node{{Tag: "media_conn"}},
|
|
})
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to query media connections: %w", err)
|
|
} else if len(resp.GetChildren()) == 0 || resp.GetChildren()[0].Tag != "media_conn" {
|
|
return nil, fmt.Errorf("failed to query media connections: unexpected child tag")
|
|
}
|
|
respMC := resp.GetChildren()[0]
|
|
var mc MediaConn
|
|
ag := respMC.AttrGetter()
|
|
mc.FetchedAt = time.Now()
|
|
mc.Auth = ag.String("auth")
|
|
mc.TTL = ag.Int("ttl")
|
|
mc.AuthTTL = ag.Int("auth_ttl")
|
|
mc.MaxBuckets = ag.Int("max_buckets")
|
|
if !ag.OK() {
|
|
return nil, fmt.Errorf("failed to parse media connections: %+v", ag.Errors)
|
|
}
|
|
for _, child := range respMC.GetChildren() {
|
|
if child.Tag != "host" {
|
|
cli.Log.Warnf("Unexpected child in media_conn element: %s", child.XMLString())
|
|
continue
|
|
}
|
|
cag := child.AttrGetter()
|
|
mc.Hosts = append(mc.Hosts, MediaConnHost{
|
|
Hostname: cag.String("hostname"),
|
|
})
|
|
if !cag.OK() {
|
|
return nil, fmt.Errorf("failed to parse media connection host: %+v", ag.Errors)
|
|
}
|
|
}
|
|
return &mc, nil
|
|
}
|