Autisticats/mautrix-discord
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Add support for disabling link previews via MSC4095

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This commit is contained in:
Tulir Asokan
2025-08-10 23:47:39 +03:00
parent 52ebc21d9b
commit 820951cb6e
2 changed files with 38 additions and 5 deletions
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29
portal.go
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@@ -1544,7 +1544,8 @@ func (portal *Portal) handleMatrixMessage(sender *User, evt *event.Event) {
if editMXID := content.GetRelatesTo().GetReplaceID(); editMXID != "" && content.NewContent != nil {
edits := portal.bridge.DB.Message.GetByMXID(portal.Key, editMXID)
if edits != nil {
discordContent, allowedMentions := portal.parseMatrixHTML(content.NewContent)
newContentRaw, _ := evt.Content.Raw["m.new_content"].(map[string]any)
discordContent, allowedMentions := portal.parseMatrixHTML(content.NewContent, parseAllowedLinkPreviews(newContentRaw))
var err error
var msg *discordgo.Message
if !isWebhookSend {
@@ -1623,7 +1624,7 @@ func (portal *Portal) handleMatrixMessage(sender *User, evt *event.Event) {
}
switch content.MsgType {
case event.MsgText, event.MsgEmote, event.MsgNotice:
sendReq.Content, sendReq.AllowedMentions = portal.parseMatrixHTML(content)
sendReq.Content, sendReq.AllowedMentions = portal.parseMatrixHTML(content, parseAllowedLinkPreviews(evt.Content.Raw))
if content.MsgType == event.MsgEmote {
sendReq.Content = fmt.Sprintf("_%s_", sendReq.Content)
}
@@ -1636,7 +1637,7 @@ func (portal *Portal) handleMatrixMessage(sender *User, evt *event.Event) {
filename := content.Body
if content.FileName != "" && content.FileName != content.Body {
filename = content.FileName
sendReq.Content, sendReq.AllowedMentions = portal.parseMatrixHTML(content)
sendReq.Content, sendReq.AllowedMentions = portal.parseMatrixHTML(content, parseAllowedLinkPreviews(evt.Content.Raw))
}
if evt.Content.Raw["page.codeberg.everypizza.msc4193.spoiler"] == true {
@@ -1744,6 +1745,28 @@ func (portal *Portal) handleMatrixMessage(sender *User, evt *event.Event) {
}
}
func parseAllowedLinkPreviews(raw map[string]any) []string {
if raw == nil {
return nil
}
linkPreviews, ok := raw["com.beeper.linkpreviews"].([]any)
if !ok {
return nil
}
allowedLinkPreviews := make([]string, 0, len(linkPreviews))
for _, preview := range linkPreviews {
previewMap, ok := preview.(map[string]any)
if !ok {
continue
}
matchedURL, _ := previewMap["matched_url"].(string)
if matchedURL != "" {
allowedLinkPreviews = append(allowedLinkPreviews, matchedURL)
}
}
return allowedLinkPreviews
}
func (portal *Portal) sendDeliveryReceipt(eventID id.EventID) {
if portal.bridge.Config.Bridge.DeliveryReceipts {
err := portal.bridge.Bot.MarkRead(portal.MXID, eventID)