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Add cache control headers to 304 response

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This commit is contained in:
DarthSim
2021-10-13 17:59:46 +06:00
parent 67b209b0e6
commit 80331cd94e
5 changed files with 75 additions and 53 deletions
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6
imagedata/image_data.go
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@@ -130,7 +130,11 @@ func FromFile(path, desc string) (*ImageData, error) {
func Download(imageURL, desc string, header http.Header) (*ImageData, error) {
imgdata, err := download(imageURL, header)
if err != nil {
return nil, ierrors.WrapWithMessage(err, 1, fmt.Sprintf("Can't download %s: %s", desc, err))
if nmErr, ok := err.(*ErrorNotModified); ok {
nmErr.Message = fmt.Sprintf("Can't download %s: %s", desc, nmErr.Message)
return nil, nmErr
}
return nil, ierrors.WrapWithPrefix(err, 1, fmt.Sprintf("Can't download %s", desc))
}
return imgdata, nil