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package config
import (
"os"
"path"
"strings"
)
// Uploads describes file location and controls access to them.
type Uploads struct {
// Dir contains name of directory to control access to.
Dir string
// Forbid specifies list of file extensions which are forbidden for access.
// Example: .php, .exe, .bat, .htaccess and etc.
Forbid []string
}
// InitDefaults sets missing values to their default values.
func (cfg *Uploads) InitDefaults() error {
cfg.Forbid = []string{".php", ".exe", ".bat"}
cfg.Dir = os.TempDir()
return nil
}
// TmpDir returns temporary directory.
func (cfg *Uploads) TmpDir() string {
if cfg.Dir != "" {
return cfg.Dir
}
return os.TempDir()
}
// Forbids must return true if file extension is not allowed for the upload.
func (cfg *Uploads) Forbids(filename string) bool {
ext := strings.ToLower(path.Ext(filename))
for _, v := range cfg.Forbid {
if ext == v {
return true
}
}
return false
}
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