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Remove math/rand and only use crypto/rand

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This commit is contained in:
Deluan 2022-11-27 21:53:13 -05:00
parent 195f39182d
commit 950b5dc1ce
3 changed files with 18 additions and 15 deletions
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10
server/backgrounds/handler.go
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@ -2,9 +2,11 @@ package backgrounds
import (
"context"
"crypto/rand"
"encoding/base64"
"errors"
"io"
"math/rand"
"math/big"
"net/http"
"net/url"
"path"
@ -48,7 +50,11 @@ func (h *Handler) getRandomImage(ctx context.Context) (string, error) {
if err != nil {
return "", err
}
return list[rand.Intn(len(list))], nil
if len(list) == 0 {
return "", errors.New("no images available")
}
rnd, _ := rand.Int(rand.Reader, big.NewInt(int64(len(list))))
return list[rnd.Int64()], nil
}
func (h *Handler) getImageList(ctx context.Context) ([]string, error) {