open-vault/builtin/logical/consul/secret_token.go

124 lines
2.9 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package consul
import (
"context"
"fmt"
"github.com/hashicorp/consul/api"
"github.com/hashicorp/vault/sdk/framework"
"github.com/hashicorp/vault/sdk/logical"
)
const (
SecretTokenType = "token"
)
func secretToken(b *backend) *framework.Secret {
return &framework.Secret{
Type: SecretTokenType,
Fields: map[string]*framework.FieldSchema{
"token": {
Type: framework.TypeString,
Description: "Request token",
},
},
Renew: b.secretTokenRenew,
Revoke: b.secretTokenRevoke,
}
}
func (b *backend) secretTokenRenew(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
resp := &logical.Response{Secret: req.Secret}
roleRaw, ok := req.Secret.InternalData["role"]
if !ok {
return resp, nil
}
role, ok := roleRaw.(string)
if !ok {
return resp, nil
}
entry, err := req.Storage.Get(ctx, "policy/"+role)
if err != nil {
return nil, fmt.Errorf("error retrieving role: %w", err)
}
if entry == nil {
return logical.ErrorResponse(fmt.Sprintf("issuing role %q not found", role)), nil
}
var result roleConfig
if err := entry.DecodeJSON(&result); err != nil {
return nil, err
}
resp.Secret.TTL = result.TTL
resp.Secret.MaxTTL = result.MaxTTL
return resp, nil
}
func (b *backend) secretTokenRevoke(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
c, userErr, intErr := b.client(ctx, req.Storage)
if intErr != nil {
return nil, intErr
}
if userErr != nil {
// Returning logical.ErrorResponse from revocation function is risky
return nil, userErr
}
tokenRaw, ok := req.Secret.InternalData["token"]
if !ok {
// We return nil here because this is a pre-0.5.3 problem and there is
// nothing we can do about it. We already can't revoke the lease
// properly if it has been renewed and this is documented pre-0.5.3
// behavior with a security bulletin about it.
return nil, nil
}
var version string
versionRaw, ok := req.Secret.InternalData["version"]
if ok {
version = versionRaw.(string)
}
// Extract Consul Namespace and Partition info from secret
var revokeWriteOptions *api.WriteOptions
var namespace, partition string
namespaceRaw, ok := req.Data["consul_namespace"]
if ok {
namespace = namespaceRaw.(string)
}
partitionRaw, ok := req.Data["partition"]
if ok {
partition = partitionRaw.(string)
}
revokeWriteOptions = &api.WriteOptions{
Namespace: namespace,
Partition: partition,
}
switch version {
case "":
// Pre 1.4 tokens
_, err := c.ACL().Destroy(tokenRaw.(string), nil)
if err != nil {
return nil, err
}
case tokenPolicyType:
_, err := c.ACL().TokenDelete(tokenRaw.(string), revokeWriteOptions)
if err != nil {
return nil, err
}
default:
return nil, fmt.Errorf("Invalid version string in data: %s", version)
}
return nil, nil
}