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Matrix: Permit uploading files of other mimetypes (#1237)

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This includes at least c-source-files, cpp-source-files,
markdown-files, Rust-files, and plaintext files.
We already allow uploading arbitrary executables. (And javascript-files,
coincidentally.) Not permitting these other text files would be highly unexpected.
This commit is contained in:
Ben Wiederhake 2020-09-26 21:28:24 +02:00 committed by GitHub
parent 91c58ec027
commit 06eb89b05b
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 14 additions and 18 deletions
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32
bridge/matrix/matrix.go
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@ -333,10 +333,6 @@ func (b *Bmatrix) handleUploadFile(msg *config.Message, channel string, fi *conf
content := bytes.NewReader(*fi.Data) content := bytes.NewReader(*fi.Data)
sp := strings.Split(fi.Name, ".") sp := strings.Split(fi.Name, ".")
mtype := mime.TypeByExtension("." + sp[len(sp)-1]) mtype := mime.TypeByExtension("." + sp[len(sp)-1])
if !(strings.Contains(mtype, "image") || strings.Contains(mtype, "video") ||
strings.Contains(mtype, "application") || strings.Contains(mtype, "audio")) {
return
}
if fi.Comment != "" { if fi.Comment != "" {
_, err := b.mc.SendText(channel, msg.Username+fi.Comment) _, err := b.mc.SendText(channel, msg.Username+fi.Comment)
if err != nil { if err != nil {
@ -369,20 +365,6 @@ func (b *Bmatrix) handleUploadFile(msg *config.Message, channel string, fi *conf
if err != nil { if err != nil {
b.Log.Errorf("sendImage failed: %#v", err) b.Log.Errorf("sendImage failed: %#v", err)
} }
case strings.Contains(mtype, "application"):
b.Log.Debugf("sendFile %s", res.ContentURI)
_, err = b.mc.SendMessageEvent(channel, "m.room.message", matrix.FileMessage{
MsgType: "m.file",
Body: fi.Name,
URL: res.ContentURI,
Info: matrix.FileInfo{
Mimetype: mtype,
Size: uint(len(*fi.Data)),
},
})
if err != nil {
b.Log.Errorf("sendFile failed: %#v", err)
}
case strings.Contains(mtype, "audio"): case strings.Contains(mtype, "audio"):
b.Log.Debugf("sendAudio %s", res.ContentURI) b.Log.Debugf("sendAudio %s", res.ContentURI)
_, err = b.mc.SendMessageEvent(channel, "m.room.message", matrix.AudioMessage{ _, err = b.mc.SendMessageEvent(channel, "m.room.message", matrix.AudioMessage{
@ -397,6 +379,20 @@ func (b *Bmatrix) handleUploadFile(msg *config.Message, channel string, fi *conf
if err != nil { if err != nil {
b.Log.Errorf("sendAudio failed: %#v", err) b.Log.Errorf("sendAudio failed: %#v", err)
} }
default:
b.Log.Debugf("sendFile %s", res.ContentURI)
_, err = b.mc.SendMessageEvent(channel, "m.room.message", matrix.FileMessage{
MsgType: "m.file",
Body: fi.Name,
URL: res.ContentURI,
Info: matrix.FileInfo{
Mimetype: mtype,
Size: uint(len(*fi.Data)),
},
})
if err != nil {
b.Log.Errorf("sendFile failed: %#v", err)
}
} }
b.Log.Debugf("result: %#v", res) b.Log.Debugf("result: %#v", res)
} }