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Validate bytes when parsing string #116

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Merged
Stebalien merged 1 commit into from
Dec 9, 2019
Merged

Validate bytes when parsing string #116

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6 changes: 6 additions & 0 deletions transcoders.go
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Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,11 @@ import (
)

type Transcoder interface {
// Validates and encodes to bytes a multiaddr that's in the string representation.
StringToBytes(string) ([]byte, error)
// Validates and decodes to a string a multiaddr that's in the bytes representation.
BytesToString([]byte) (string, error)
// Validates bytes when parsing a multiaddr that's already in the bytes representation.
ValidateBytes([]byte) error
}

Expand Down Expand Up @@ -63,6 +66,9 @@ func ip6zoneStB(s string) ([]byte, error) {
if len(s) == 0 {
return nil, fmt.Errorf("empty ip6zone")
}
if strings.Contains(s, "/") {
return nil, fmt.Errorf("IPv6 zone ID contains '/': %s", s)
}
return []byte(s), nil
}

Expand Down