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Add support for incoming WhatsApp text messages
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| // mautrix-meta - A Matrix-Facebook Messenger and Instagram DM puppeting bridge. | ||
| // Copyright (C) 2024 Tulir Asokan | ||
| // | ||
| // This program is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU Affero General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // This program is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU Affero General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU Affero General Public License | ||
| // along with this program. If not, see <https://www.gnu.org/licenses/>. | ||
|
|
||
| package msgconv | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| _ "image/gif" | ||
| _ "image/jpeg" | ||
| _ "image/png" | ||
| "slices" | ||
| "strings" | ||
|
|
||
| "github.com/rs/zerolog" | ||
| "go.mau.fi/whatsmeow/binary/armadillo/waCommon" | ||
| "go.mau.fi/whatsmeow/binary/armadillo/waConsumerApplication" | ||
| "go.mau.fi/whatsmeow/types" | ||
| "go.mau.fi/whatsmeow/types/events" | ||
| _ "golang.org/x/image/webp" | ||
| "maunium.net/go/mautrix/event" | ||
| "maunium.net/go/mautrix/id" | ||
| ) | ||
|
|
||
| func (mc *MessageConverter) whatsappTextToMatrix(ctx context.Context, text *waCommon.MessageText) *ConvertedMessagePart { | ||
| content := &event.MessageEventContent{ | ||
| MsgType: event.MsgText, | ||
| Body: text.GetText(), | ||
| Mentions: &event.Mentions{}, | ||
| } | ||
| silent := false | ||
| if len(text.Commands) > 0 { | ||
| for _, cmd := range text.Commands { | ||
| switch cmd.CommandType { | ||
| case waCommon.Command_SILENT: | ||
| silent = true | ||
| content.Mentions.Room = false | ||
| case waCommon.Command_EVERYONE: | ||
| if !silent { | ||
| content.Mentions.Room = true | ||
| } | ||
| case waCommon.Command_AI: | ||
| // TODO ??? | ||
| } | ||
| } | ||
| } | ||
| if len(text.GetMentionedJID()) > 0 { | ||
| content.Format = event.FormatHTML | ||
| content.FormattedBody = event.TextToHTML(content.Body) | ||
| for _, jid := range text.GetMentionedJID() { | ||
| parsed, err := types.ParseJID(jid) | ||
| if err != nil { | ||
| zerolog.Ctx(ctx).Err(err).Str("jid", jid).Msg("Failed to parse mentioned JID") | ||
| continue | ||
| } | ||
| mxid := mc.GetUserMXID(ctx, int64(parsed.UserInt())) | ||
| if !silent { | ||
| content.Mentions.UserIDs = append(content.Mentions.UserIDs, mxid) | ||
| } | ||
| mentionText := "@" + jid | ||
| content.Body = strings.ReplaceAll(content.Body, mentionText, mxid.String()) | ||
| content.FormattedBody = strings.ReplaceAll(content.FormattedBody, mentionText, fmt.Sprintf(`<a href="%s">%s</a>`, mxid.URI().MatrixToURL(), mxid.String())) | ||
| } | ||
| } | ||
| return &ConvertedMessagePart{ | ||
| Type: event.EventMessage, | ||
| Content: content, | ||
| } | ||
| } | ||
|
|
||
| func (mc *MessageConverter) WhatsAppToMatrix(ctx context.Context, evt *events.FBConsumerMessage) *ConvertedMessage { | ||
| cm := &ConvertedMessage{ | ||
| Parts: make([]*ConvertedMessagePart, 0), | ||
| } | ||
| switch content := evt.Message.GetPayload().GetContent().GetContent().(type) { | ||
| case *waConsumerApplication.ConsumerApplication_Content_MessageText: | ||
| cm.Parts = append(cm.Parts, mc.whatsappTextToMatrix(ctx, content.MessageText)) | ||
| case *waConsumerApplication.ConsumerApplication_Content_ExtendedTextMessage: | ||
| // TODO convert url previews | ||
| cm.Parts = append(cm.Parts, mc.whatsappTextToMatrix(ctx, content.ExtendedTextMessage.GetText())) | ||
| case *waConsumerApplication.ConsumerApplication_Content_ImageMessage: | ||
| case *waConsumerApplication.ConsumerApplication_Content_StickerMessage: | ||
| case *waConsumerApplication.ConsumerApplication_Content_ViewOnceMessage: | ||
| case *waConsumerApplication.ConsumerApplication_Content_DocumentMessage: | ||
| case *waConsumerApplication.ConsumerApplication_Content_AudioMessage: | ||
| case *waConsumerApplication.ConsumerApplication_Content_VideoMessage: | ||
| case *waConsumerApplication.ConsumerApplication_Content_LocationMessage: | ||
| case *waConsumerApplication.ConsumerApplication_Content_LiveLocationMessage: | ||
| case *waConsumerApplication.ConsumerApplication_Content_ContactMessage: | ||
| case *waConsumerApplication.ConsumerApplication_Content_ContactsArrayMessage: | ||
| } | ||
| if len(cm.Parts) == 0 { | ||
| cm.Parts = append(cm.Parts, &ConvertedMessagePart{ | ||
| Type: event.EventMessage, | ||
| Content: &event.MessageEventContent{ | ||
| MsgType: event.MsgNotice, | ||
| Body: "Unsupported message", | ||
| }, | ||
| }) | ||
| } | ||
| var replyTo id.EventID | ||
| var sender id.UserID | ||
| if qm := evt.Application.GetMetadata().GetQuotedMessage(); qm != nil { | ||
| pcp, _ := types.ParseJID(qm.GetParticipant()) | ||
| replyTo, sender = mc.GetMatrixReply(ctx, qm.GetStanzaID(), int64(pcp.UserInt())) | ||
| } | ||
| for _, part := range cm.Parts { | ||
| if part.Content.Mentions == nil { | ||
| part.Content.Mentions = &event.Mentions{} | ||
| } | ||
| if replyTo != "" { | ||
| part.Content.RelatesTo = (&event.RelatesTo{}).SetReplyTo(replyTo) | ||
| if !slices.Contains(part.Content.Mentions.UserIDs, sender) { | ||
| part.Content.Mentions.UserIDs = append(part.Content.Mentions.UserIDs, sender) | ||
| } | ||
| } | ||
| } | ||
| return cm | ||
| } |
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