61 lines
977 B
Go
61 lines
977 B
Go
package dlcache
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import (
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"crypto/sha1"
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"encoding/hex"
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"io"
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"os"
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"path/filepath"
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"go.arsenm.dev/lure/internal/config"
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)
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var BasePath = filepath.Join(config.CacheDir, "dl")
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func New(id string) (string, error) {
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h, err := hashID(id)
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if err != nil {
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return "", err
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}
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itemPath := filepath.Join(BasePath, h)
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fi, err := os.Stat(itemPath)
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if err == nil || (fi != nil && !fi.IsDir()) {
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err = os.RemoveAll(itemPath)
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if err != nil {
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return "", err
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}
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}
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err = os.MkdirAll(itemPath, 0o755)
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if err != nil {
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return "", err
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}
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return itemPath, nil
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}
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func Get(id string) (string, bool) {
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h, err := hashID(id)
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if err != nil {
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return "", false
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}
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itemPath := filepath.Join(BasePath, h)
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_, err = os.Stat(itemPath)
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if err != nil {
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return "", false
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}
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return itemPath, true
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}
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func hashID(id string) (string, error) {
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h := sha1.New()
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_, err := io.WriteString(h, id)
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if err != nil {
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return "", err
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}
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return hex.EncodeToString(h.Sum(nil)), nil
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}
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