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basic_auth.go
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basic_auth.go
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// SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Gardener contributors
//
// SPDX-License-Identifier: Apache-2.0
package secrets
import (
"github.com/gardener/gardener/pkg/utils"
)
type formatType string
const (
// BasicAuthFormatNormal indicates that the data map should be rendered the normal way (dedicated keys for
// username and password.
BasicAuthFormatNormal formatType = "normal"
// DataKeyUserName is the key in a secret data holding the username.
DataKeyUserName = "username"
// DataKeyPassword is the key in a secret data holding the password.
DataKeyPassword = "password"
// DataKeySHA1Auth is the key in a secret data holding the sha1-schemed credentials pair as string.
DataKeySHA1Auth = "auth"
)
// BasicAuthSecretConfig contains the specification for a to-be-generated basic authentication secret.
type BasicAuthSecretConfig struct {
Name string
// Format is the format type.
//
// Do not remove this field, even though the field is not used and there is only one supported format ("normal").
// The secret manager computes the Secret hash based on the config object (BasicAuthSecretConfig). A field removal in the
// BasicAuthSecretConfig object would compute a new Secret hash and this would lead the existing Secrets to be regenerated.
// Hence, usages of the BasicAuthSecretConfig should continue to pass the Format field with value "normal".
Format formatType
Username string
PasswordLength int
}
// BasicAuth contains the username, the password and optionally hash of the password.
type BasicAuth struct {
Name string
Username string
Password string
}
// GetName returns the name of the secret.
func (s *BasicAuthSecretConfig) GetName() string {
return s.Name
}
// Generate implements ConfigInterface.
func (s *BasicAuthSecretConfig) Generate() (DataInterface, error) {
password, err := GenerateRandomString(s.PasswordLength)
if err != nil {
return nil, err
}
basicAuth := &BasicAuth{
Name: s.Name,
Username: s.Username,
Password: password,
}
return basicAuth, nil
}
// SecretData computes the data map which can be used in a Kubernetes secret.
func (b *BasicAuth) SecretData() map[string][]byte {
data := make(map[string][]byte, 3)
data[DataKeyUserName] = []byte(b.Username)
data[DataKeyPassword] = []byte(b.Password)
data[DataKeySHA1Auth] = utils.CreateSHA1Secret(data[DataKeyUserName], data[DataKeyPassword])
return data
}