55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
package filemanager
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import (
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"errors"
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"mime"
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"net/http"
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"path/filepath"
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"strings"
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)
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// assetsURL is the url where static assets are served.
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const assetsURL = "/_internal"
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// Serve provides the needed assets for the front-end
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func serveAssets(w http.ResponseWriter, r *http.Request, m *FileManager) (int, error) {
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// gets the filename to be used with Assets function
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filename := strings.Replace(r.URL.Path, m.baseURL+assetsURL, "", 1)
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var file []byte
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var err error
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switch {
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case strings.HasPrefix(filename, "/css"):
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filename = strings.Replace(filename, "/css/", "", 1)
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file, err = m.Assets.CSS.Bytes(filename)
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case strings.HasPrefix(filename, "/js"):
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filename = strings.Replace(filename, "/js/", "", 1)
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file, err = m.Assets.requiredJS.Bytes(filename)
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case strings.HasPrefix(filename, "/vendor"):
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if m.Assets.JS != nil {
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filename = strings.Replace(filename, "/vendor/", "", 1)
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file, err = m.Assets.JS.Bytes(filename)
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break
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}
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fallthrough
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default:
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err = errors.New("not found")
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}
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if err != nil {
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return http.StatusNotFound, nil
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}
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// Get the file extension and its mimetype
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extension := filepath.Ext(filename)
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mediatype := mime.TypeByExtension(extension)
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// Write the header with the Content-Type and write the file
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// content to the buffer
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w.Header().Set("Content-Type", mediatype)
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w.Write(file)
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return 200, nil
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}
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