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api: add registry.EncodeAuthConfig

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Based on EncodeAuthToBase64 in docker/cli;
1f4111d2bf/cli/command/registry.go (L30-L37)

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2022-06-03 13:58:33 +02:00
parent 7819811835
commit 7ca66e3cfc
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2 changed files with 19 additions and 0 deletions
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13
api/types/registry/authconfig.go
View file

@ -33,6 +33,19 @@ type AuthConfig struct {
RegistryToken string `json:"registrytoken,omitempty"`
}
// EncodeAuthConfig serializes the auth configuration as a base64url encoded
// RFC4648, section 5) JSON string for sending through the X-Registry-Auth header.
//
// For details on base64url encoding, see:
// - RFC4648, section 5: https://tools.ietf.org/html/rfc4648#section-5
func EncodeAuthConfig(authConfig AuthConfig) (string, error) {
buf, err := json.Marshal(authConfig)
if err != nil {
return "", errInvalidParameter{err}
}
return base64.URLEncoding.EncodeToString(buf), nil
}
// DecodeAuthConfig decodes base64url encoded (RFC4648, section 5) JSON
// authentication information as sent through the X-Registry-Auth header.
//

6
api/types/registry/authconfig_test.go
View file

@ -51,3 +51,9 @@ func TestDecodeAuthConfigBody(t *testing.T) {
assert.NilError(t, err)
assert.Equal(t, *token, expected)
}
func TestEncodeAuthConfig(t *testing.T) {
token, err := EncodeAuthConfig(expected)
assert.NilError(t, err)
assert.Equal(t, token, encoded)
}