package di import ( "crypto/x509" "encoding/base64" "encoding/pem" "errors" "github.com/elyby/chrly/http" . "github.com/elyby/chrly/signer" "strings" "github.com/goava/di" "github.com/spf13/viper" ) var signer = di.Options( di.Provide(newTexturesSigner, di.As(new(http.TexturesSigner)), ), ) func newTexturesSigner(config *viper.Viper) (*Signer, error) { keyStr := config.GetString("chrly.signing.key") if keyStr == "" { return nil, errors.New("chrly.signing.key must be set in order to sign textures") } var keyBytes []byte if strings.HasPrefix(keyStr, "base64:") { base64Value := keyStr[7:] decodedKey, err := base64.URLEncoding.DecodeString(base64Value) if err != nil { return nil, err } keyBytes = decodedKey } else { keyBytes = []byte(keyStr) } rawPem, _ := pem.Decode(keyBytes) key, err := x509.ParsePKCS1PrivateKey(rawPem.Bytes) if err != nil { return nil, err } return &Signer{Key: key}, nil }