func (h Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
ctx := route.Context(r)
name := strings.Trim(route.Param(ctx, "filepath"), "/")
if name == "" {
name = "index.html"
}
file, err := GetFile(StaticFiles, name)
if err != nil {
if err != io.EOF {
log.Warn("Could not get file: ", err)
}
w.WriteHeader(http.StatusNotFound)
return
}
contentType := http.DetectContentType(file)
if strings.Contains(contentType, "text/plain") || strings.Contains(contentType, "application/octet-stream") {
parts := strings.Split(name, ".")
contentType = mimeMap[parts[len(parts)-1]]
}
w.Header().Set("Content-Type", contentType)
w.Header().Set("Cache-Control", "public, max-age=259200")
w.Write(file)
}
func (api *API) labelValues(r *http.Request) (interface{}, *apiError) {
name := route.Param(api.context(r), "name")
if !model.LabelNameRE.MatchString(name) {
return nil, &apiError{errorBadData, fmt.Errorf("invalid label name: %q", name)}
}
vals := api.Storage.LabelValuesForLabelName(model.LabelName(name))
sort.Sort(vals)
return vals, nil
}
func (h *Handler) consoles(w http.ResponseWriter, r *http.Request) {
ctx := route.Context(r)
name := route.Param(ctx, "filepath")
file, err := http.Dir(h.options.ConsoleTemplatesPath).Open(name)
if err != nil {
http.Error(w, err.Error(), http.StatusNotFound)
return
}
text, err := ioutil.ReadAll(file)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
// Provide URL parameters as a map for easy use. Advanced users may have need for
// parameters beyond the first, so provide RawParams.
rawParams, err := url.ParseQuery(r.URL.RawQuery)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
params := map[string]string{}
for k, v := range rawParams {
params[k] = v[0]
}
data := struct {
RawParams url.Values
Params map[string]string
Path string
}{
RawParams: rawParams,
Params: params,
Path: strings.TrimLeft(name, "/"),
}
tmpl := template.NewTemplateExpander(string(text), "__console_"+name, data, model.Now(), h.queryEngine, h.options.ExternalURL.Path)
filenames, err := filepath.Glob(h.options.ConsoleLibrariesPath + "/*.lib")
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
result, err := tmpl.ExpandHTML(filenames)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
io.WriteString(w, result)
}