func getAsset(w http.ResponseWriter, r *http.Request) {
var (
request = api.GetAssetRequest{}
)
err := readRequest(r, &request)
if err != nil {
sendError(w, err.Error())
return
}
accessKey, err := mailbox.FindKeyByName(request.AccessKeyName)
if accessKey == nil {
sendError(w, "Access key is invalid")
return
}
if !request.Validate(accessKey.Secret) {
sendError(w, "Could not validate signature")
return
}
fp := filepath.Join(filesPath(), request.MD5)
if _, err := os.Stat(fp); os.IsNotExist(err) {
sendError(w, "Asset not found on server")
return
}
log.Infof("Serving asset to %s", accessKey.Name)
http.ServeFile(w, r, fp)
}
func (client *Client) DownloadAsset(md5 string) (string, error) {
tmpFile, err := ioutil.TempFile("", "conduit.")
if err != nil {
return "", err
}
defer tmpFile.Close()
req := api.GetAssetRequest{
MD5: md5,
}
req.Sign(client.AccessKeyName, client.AccessKey)
requestBytes, err := json.Marshal(req)
if err != nil {
return "", err
}
url := fmt.Sprintf("http://%s/%s", client.Host, "asset")
if client.ShowRequests {
log.Infof("URL: %s\nRequest: %s", url, string(requestBytes))
}
requestReader := bytes.NewReader(requestBytes)
resp, err := http.Post(url, "application/json", requestReader)
if resp != nil {
defer resp.Body.Close()
}
if err != nil {
return "", err
}
if resp.StatusCode == 200 {
_, err = io.Copy(tmpFile, resp.Body)
if err != nil {
return "", err
}
return tmpFile.Name(), nil
} else {
return "", errors.New(fmt.Sprintf("Could not download asset (%d)",
resp.StatusCode))
}
}