func handlerBlob(w http.ResponseWriter, r *http.Request) {
if !checkAuth(w, r) {
return
}
vars := mux.Vars(r)
_, exists := vars["repo"]
if !exists {
http.NotFound(w, r)
return
}
_, exists = vars["image_name"]
if !exists {
http.NotFound(w, r)
return
}
blobRef, exists := vars["blob_ref"]
if !exists {
http.NotFound(w, r)
return
}
// Just write back the blob reference; completely fake content, not even a tar.
io.WriteString(w, blobRef)
}
func handlerImageManifest(w http.ResponseWriter, r *http.Request) {
if !checkAuth(w, r) {
return
}
vars := mux.Vars(r)
repo, exists := vars["repo"]
if !exists {
http.NotFound(w, r)
return
}
imageName, exists := vars["image_name"]
if !exists {
http.NotFound(w, r)
return
}
// Tag or digest.
imageRef, exists := vars["image_ref"]
if !exists {
http.NotFound(w, r)
return
}
manifest, exists := testImageManifests[fmt.Sprintf("%s/%s:%s", repo, imageName, imageRef)]
if !exists {
http.NotFound(w, r)
return
}
io.WriteString(w, manifest)
}
func handlerTags(w http.ResponseWriter, r *http.Request) {
if !checkAuth(w, r) {
return
}
vars := mux.Vars(r)
tags, exists := testRepositories[vars["repository"]]
if !exists {
http.NotFound(w, r)
return
}
writeResponse(w, 200, tags)
}
func handlerImage(w http.ResponseWriter, r *http.Request) {
if !checkAuth(w, r) {
return
}
vars := mux.Vars(r)
layer, exists := testLayers[vars["image_id"]]
if !exists {
http.NotFound(w, r)
return
}
layer_size := len(layer["layer"])
w.Header().Add("X-Docker-Size", strconv.Itoa(layer_size))
io.WriteString(w, layer[vars["data_type"]])
}