func fileStoreHandler(w http.ResponseWriter, r *http.Request) {
/* We *don't* always set the the content-type to application/json here,
* for obvious reasons. Still do for the PUT/POST though. */
chksum := r.URL.Path[12:]
/* Eventually, both local storage (in-memory or on disk, depending) or
* uploading to s3 or a similar cloud storage provider needs to be
* supported. */
switch r.Method {
case "GET":
w.Header().Set("Content-Type", "application/x-binary")
fileStore, err := filestore.Get(chksum)
if err != nil {
http.Error(w, err.Error(), http.StatusNotFound)
return
}
w.Write(*fileStore.Data)
case "PUT", "POST": /* Seems like for file uploads we ought to
* support POST too. */
w.Header().Set("Content-Type", "application/json")
/* Need to distinguish file already existing and some
* sort of error with uploading the file. */
if fileStore, _ := filestore.Get(chksum); fileStore != nil {
fileErr := fmt.Errorf("File with checksum %s already exists.", chksum)
/* Send status OK. It seems chef-pedant at least
* tries to upload files twice for some reason.
*/
jsonErrorReport(w, r, fileErr.Error(), http.StatusOK)
return
}
fileStore, err := filestore.New(chksum, r.Body, r.ContentLength)
if err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
return
}
err = fileStore.Save()
if err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
return
}
fileResponse := make(map[string]string)
fileResponse[fileStore.Chksum] = fmt.Sprintf("File with checksum %s uploaded.", fileStore.Chksum)
enc := json.NewEncoder(w)
if err := enc.Encode(&fileResponse); err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
}
/* Add DELETE later? */
default:
jsonErrorReport(w, r, "Unrecognized method!", http.StatusMethodNotAllowed)
}
}
// IsComplete returns true if the sandbox is complete.
func (s *Sandbox) IsComplete() error {
for _, chk := range s.Checksums {
k, _ := filestore.Get(chk)
if k == nil {
err := fmt.Errorf("Checksum %s not uploaded yet, %s not complete, cannot commit yet.", chk, s.ID)
return err
}
}
return nil
}
// UploadChkList builds the list of file checksums and whether or not they need
// to be uploaded. If they do, the upload URL is also provided.
func (s *Sandbox) UploadChkList() map[string]map[string]interface{} {
/* Uh... */
chksumStats := make(map[string]map[string]interface{})
for _, chk := range s.Checksums {
chksumStats[chk] = make(map[string]interface{})
k, _ := filestore.Get(chk)
if k != nil {
chksumStats[chk]["needs_upload"] = false
} else {
itemURL := fmt.Sprintf("/file_store/%s", chk)
chksumStats[chk]["url"] = util.CustomURL(itemURL)
chksumStats[chk]["needs_upload"] = true
}
}
return chksumStats
}
func ValidateCookbookDivision(dname string, div interface{}) ([]map[string]interface{}, Gerror) {
switch div := div.(type) {
case []interface{}:
var d []map[string]interface{}
err := Errorf("Invalid element in array value of '%s'.", dname)
for _, v := range div {
switch v := v.(type) {
case map[string]interface{}:
if len(v) < 4 {
return nil, err
}
/* validate existence of file
* in sandbox */
chksum, cherr := ValidateAsString(v["checksum"])
if cherr == nil {
if _, ferr := filestore.Get(chksum); ferr != nil {
var merr Gerror
/* This is nuts. */
if dname == "recipes" {
merr = Errorf("Manifest has a checksum that hasn't been uploaded.")
} else {
merr = Errorf("Manifest has checksum %s but it hasn't yet been uploaded", chksum)
}
return nil, merr
}
itemURL := fmt.Sprintf("/file_store/%s", chksum)
v["url"] = CustomURL(itemURL)
d = append(d, v)
}
default:
return nil, err
}
}
return d, nil
case nil:
/* This the way? */
// d := make([]map[string]interface{}, 0)
return nil, nil
default:
err := Errorf("Field '%s' invalid", dname)
return nil, err
}
}