logos-messaging/go-multiaddr
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Add comments to garlic64 addresses and use the validator

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This commit is contained in:
idk 2019-04-05 21:40:25 -04:00
parent ebd6de6a8b
commit 477514c812
1 changed files with 5 additions and 3 deletions
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8
transcoders.go
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@ -218,7 +218,8 @@ var TranscoderGarlic64 = NewTranscoderFromFunctions(garlic64StB, garlic64BtS, ga
var garlicBase64Encoding = base64.NewEncoding("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-~") var garlicBase64Encoding = base64.NewEncoding("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-~")
func garlic64StB(s string) ([]byte, error) { func garlic64StB(s string) ([]byte, error) {
// i2p base64 address // i2p base64 address will be between 516 and 616 characters long, depending on
// certificate type
if len(s) < 516 || len(s) > 616 { if len(s) < 516 || len(s) > 616 {
return nil, fmt.Errorf("failed to parse garlic addr: %s not an i2p base64 address. len: %d\n", s, len(s)) return nil, fmt.Errorf("failed to parse garlic addr: %s not an i2p base64 address. len: %d\n", s, len(s))
} }
@ -231,14 +232,15 @@ func garlic64StB(s string) ([]byte, error) {
} }
func garlic64BtS(b []byte) (string, error) { func garlic64BtS(b []byte) (string, error) {
if len(b) < 386 { if err := garlic64Validate(b); err != nil {
return "", fmt.Errorf("failed to validate garlic addr: %s not an i2p base64 address. len: %d\n", b, len(b)) return "", err
} }
addr := garlicBase64Encoding.EncodeToString(b) addr := garlicBase64Encoding.EncodeToString(b)
return addr, nil return addr, nil
} }
func garlic64Validate(b []byte) error { func garlic64Validate(b []byte) error {
// A garlic64 address will always be greater than 386 bytes long when encoded.
if len(b) < 386 { if len(b) < 386 {
return fmt.Errorf("failed to validate garlic addr: %s not an i2p base64 address. len: %d\n", b, len(b)) return fmt.Errorf("failed to validate garlic addr: %s not an i2p base64 address. len: %d\n", b, len(b))
} }