func fetchFile(n string) (ret []byte, err error) {
defer func() {
if e := recover(); e != nil {
err = fmt.Errorf("fetchFile() -> %v", e)
}
}()
murl := APIURL + "manifest/fetch/"
logInfo("fetching file from %v", murl)
mparam := mig.ManifestParameters{}
mparam.AgentIdentifier = ctx.AgentIdentifier
mparam.Object = n
buf, err := json.Marshal(mparam)
if err != nil {
panic(err)
}
mstring := string(buf)
data := url.Values{"parameters": {mstring}}
r, err := http.NewRequest("POST", murl, strings.NewReader(data.Encode()))
if err != nil {
panic(err)
}
r.Header.Set("Content-Type", "application/x-www-form-urlencoded")
r.Header.Add("X-LOADERKEY", ctx.LoaderKey)
client := http.Client{}
resp, err := client.Do(r)
if err != nil {
panic(err)
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
panic(err)
}
var resource *cljs.Resource
err = json.Unmarshal(body, &resource)
if err != nil {
panic(err)
}
// Extract fetch response.
fetchresp, err := valueToFetchResponse(resource.Collection.Items[0].Data[0].Value)
if err != nil {
panic(err)
}
// Decompress the returned file and return it as a byte slice.
b := bytes.NewBuffer(fetchresp.Data)
gz, err := gzip.NewReader(b)
if err != nil {
panic(err)
}
ret, err = ioutil.ReadAll(gz)
if err != nil {
panic(err)
}
return
}
