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Use only alphanumeric for file uploads to mediaserver. Closes #416

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This commit is contained in:
Wim 2018-05-06 20:32:09 +02:00
parent 467b373c43
commit c6c92e273d
1 changed files with 6 additions and 0 deletions
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6
gateway/gateway.go
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@ -23,6 +23,7 @@ import (
"github.com/hashicorp/golang-lru"
"github.com/peterhellberg/emojilib"
"net/http"
"path/filepath"
"regexp"
"strings"
"time"
@ -409,6 +410,7 @@ func (gw *Gateway) modifyMessage(msg *config.Message) {
}
func (gw *Gateway) handleFiles(msg *config.Message) {
reg := regexp.MustCompile("[^a-zA-Z0-9]+")
// if we don't have a attachfield or we don't have a mediaserver configured return
if msg.Extra == nil || gw.Config.General.MediaServerUpload == "" {
return
@ -421,6 +423,10 @@ func (gw *Gateway) handleFiles(msg *config.Message) {
}
for i, f := range msg.Extra["file"] {
fi := f.(config.FileInfo)
ext := filepath.Ext(fi.Name)
fi.Name = fi.Name[0 : len(fi.Name)-len(ext)]
fi.Name = reg.ReplaceAllString(fi.Name, "_")
fi.Name = fi.Name + ext
sha1sum := fmt.Sprintf("%x", sha1.Sum(*fi.Data))
reader := bytes.NewReader(*fi.Data)
url := gw.Config.General.MediaServerUpload + "/" + sha1sum + "/" + fi.Name