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ceph-csi/vendor/github.com/libopenstorage/secrets/secrets.go

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//go:generate mockgen -package=mock -destination=mock/secrets.mock.go github.com/libopenstorage/secrets Secrets
package secrets
import (
"errors"
"fmt"
)
var (
// ErrNotSupported returned when implementation of specific function is not supported
ErrNotSupported = errors.New("implementation not supported")
// ErrNotAuthenticated returned when not authenticated with secrets endpoint
ErrNotAuthenticated = errors.New("Not authenticated with the secrets endpoint")
// ErrInvalidSecretId returned when no secret data is found associated with the id
ErrInvalidSecretId = errors.New("No Secret Data found for Secret ID")
// ErrEmptySecretData returned when no secret data is provided to store the secret
ErrEmptySecretData = errors.New("Secret data cannot be empty")
// ErrEmptySecretId returned when no secret Name/ID is provided to retrive secret data
ErrEmptySecretId = errors.New("Secret Name/ID cannot be empty")
// ErrSecretExists returned when a secret for the given secret id already exists
ErrSecretExists = errors.New("Secret Id already exists")
// ErrInvalidSecretData is returned when no secret data is found
ErrInvalidSecretData = errors.New("Secret Data cannot be empty when CustomSecretData|PublicSecretData flag is set")
// ErrInvalidKvdbProvided is returned when an incorrect KVDB implementation is provided for persistence store.
ErrInvalidKvdbProvided = errors.New("Invalid kvdb provided. secret store works in conjuction with a kvdb")
)
const (
SecretPath = "/var/lib/osd/secrets/"
// CustomSecretData is a constant used in the key context of the secrets APIs
// It indicates that the secret provider should not generate secret but use the provided secret
// in the API
CustomSecretData = "custom_secret_data"
// PublicSecretData is a constant used in the key context of Secret APIs
// It indicates that the API is dealing with the public part of a secret instead
// of the actual secret
PublicSecretData = "public_secret_data"
// OverwriteSecretDataInStore is a constant used in the key context of Secret APIs
// It indicates whether the secret data stored in the persistent store can
// be overwritten
OverwriteSecretDataInStore = "overwrite_secret_data_in_store"
)
const (
TypeAWS = "aws-kms"
TypeAzure = "azure-kv"
TypeDCOS = "dcos"
TypeDocker = "docker"
TypeGCloud = "gcloud-kms"
TypeIBM = "ibm-kp"
TypeK8s = "k8s"
TypeKVDB = "kvdb"
TypeVault = "vault"
TypeVaultTransit = "vault-transit"
)
const (
// KeyVaultNamespace is a keyContext parameter for vault secrets.
KeyVaultNamespace = "vault-namespace"
// DestroySecret is a keyContext parameter for Vault secrets indicating whether the Secret should be destroyed
// This is only valid when Vault's KV Secret Engine is running on version 2 since by default keys are versioned and soft-deleted
// Activating this will PERMANENTLY delete all metadata and versions for a key
DestroySecret = "destroy-all-secret-versions"
)
// Secrets interface implemented by backend Key Management Systems (KMS)
type Secrets interface {
// String representation of the backend KMS
String() string
// GetSecret returns the secret data associated with the
// supplied secretId. The secret data / plain text can be used
// by callers to encrypt their data. It is assumed that the plain text
// data will be destroyed by the caller once used.
GetSecret(
secretId string,
keyContext map[string]string,
) (map[string]interface{}, error)
// PutSecret will associate an secretId to its secret data
// provided in the arguments and store it into the secret backend
PutSecret(
secretId string,
plainText map[string]interface{},
keyContext map[string]string,
) error
// DeleteSecret deletes the secret data associated with the
// supplied secretId.
DeleteSecret(
secretId string,
keyContext map[string]string,
) error
// Encrypt encrypts the supplied plain text data using the given key.
// The API would fetch the plain text key, encrypt the data with it.
// The plain text key will not be stored anywhere else and would be
// deleted from memory.
Encrypt(
secretId string,
plaintTextData string,
keyContext map[string]string,
) (string, error)
// Decrypt decrypts the supplied encrypted data using the given key.
// The API would fetch the plain text key, decrypt the data with it.
// The plain text key will not be stored anywhere else and would be
// deleted from memory.
Decrypt(
secretId string,
encryptedData string,
keyContext map[string]string,
) (string, error)
// Reencrypt decrypts the data with the previous key and re-encrypts it
// with the new key..
Rencrypt(
originalSecretId string,
newSecretId string,
originalKeyContext map[string]string,
newKeyContext map[string]string,
encryptedData string,
) (string, error)
// ListSecrets returns a list of known secretIDs
ListSecrets() ([]string, error)
}
type BackendInit func(
secretConfig map[string]interface{},
) (Secrets, error)
// ErrInvalidKeyContext is returned when secret data is provided to the secret APIs with an invalid
// key context.
type ErrInvalidKeyContext struct {
Reason string
}
func (e *ErrInvalidKeyContext) Error() string {
return fmt.Sprintf("invalid key context: %v", e.Reason)
}
// KeyContextChecks performs a series of checks on the keys and values
// passed through the key context map
func KeyContextChecks(
keyContext map[string]string,
secretData map[string]interface{},
) error {
_, customData := keyContext[CustomSecretData]
_, publicData := keyContext[PublicSecretData]
if customData && publicData {
return &ErrInvalidKeyContext{
Reason: "both CustomSecretData and PublicSecretData flags cannot be set",
}
} else if !customData && !publicData && len(secretData) > 0 {
return &ErrInvalidKeyContext{
Reason: "secret data cannot be provided when none of CustomSecretData|PublicSecretData flag is not set",
}
} else if customData && len(secretData) == 0 {
return &ErrInvalidKeyContext{
Reason: "secret data needs to be provided when CustomSecretData flag is set",
}
} else if publicData && len(secretData) == 0 {
return &ErrInvalidKeyContext{
Reason: "secret data needs to be provided when PublicSecretData flag is set",
}
}
return nil
}