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Add support for Matrix->WhatsApp location messages

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This commit is contained in:
Tulir Asokan 2021-08-02 12:53:38 +03:00
parent e2acab694c
commit f1dd496a2d
2 changed files with 34 additions and 2 deletions
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1
ROADMAP.md
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@ -3,6 +3,7 @@
* [x] Message content
* [x] Plain text
* [x] Formatted messages
* [x] Location messages
* [x] Media/files
* [x] Replies
* [x] Message redactions

35
portal.go
View file

@ -36,6 +36,7 @@ import (
"os/exec"
"path/filepath"
"reflect"
"strconv"
"strings"
"sync"
"sync/atomic"
@ -2039,6 +2040,24 @@ func addCodecToMime(mimeType, codec string) string {
return mime.FormatMediaType(mediaType, params)
}
func parseGeoURI(uri string) (lat, long float64, err error) {
if !strings.HasPrefix(uri, "geo:") {
err = fmt.Errorf("uri doesn't have geo: prefix")
return
}
// Remove geo: prefix and anything after ;
coordinates := strings.Split(strings.TrimPrefix(uri, "geo:"), ";")[0]
if splitCoordinates := strings.Split(coordinates, ","); len(splitCoordinates) != 2 {
err = fmt.Errorf("didn't find exactly two numbers separated by a comma")
} else if lat, err = strconv.ParseFloat(splitCoordinates[0], 64); err != nil {
err = fmt.Errorf("latitude is not a number: %w", err)
} else if long, err = strconv.ParseFloat(splitCoordinates[1], 64); err != nil {
err = fmt.Errorf("longitude is not a number: %w", err)
}
return
}
func (portal *Portal) convertMatrixMessage(sender *User, evt *event.Event) (*waProto.WebMessageInfo, *User) {
content, ok := evt.Content.Parsed.(*event.MessageEventContent)
if !ok {
@ -2190,6 +2209,18 @@ func (portal *Portal) convertMatrixMessage(sender *User, evt *event.Event) (*waP
FileSha256: media.FileSHA256,
FileLength: &media.FileLength,
}
case event.MsgLocation:
lat, long, err := parseGeoURI(content.GeoURI)
if err != nil {
portal.log.Debugfln("Invalid geo URI on Matrix event %s: %v", evt.ID, err)
return nil, sender
}
info.Message.LocationMessage = &waProto.LocationMessage{
DegreesLatitude: &lat,
DegreesLongitude: &long,
Comment: &content.Body,
ContextInfo: ctxInfo,
}
default:
portal.log.Debugfln("Unhandled Matrix event %s: unknown msgtype %s", evt.ID, content.MsgType)
return nil, sender
@ -2234,8 +2265,8 @@ func (portal *Portal) sendDeliveryReceipt(eventID id.EventID) {
}
func (portal *Portal) HandleMatrixMessage(sender *User, evt *event.Event) {
if !portal.HasRelaybot() && (
(portal.IsPrivateChat() && sender.JID != portal.Key.Receiver) ||
if !portal.HasRelaybot() &&
((portal.IsPrivateChat() && sender.JID != portal.Key.Receiver) ||
portal.sendMatrixConnectionError(sender, evt.ID)) {
return
}