139 lines
4 KiB
Go
139 lines
4 KiB
Go
// Copyright 2016-2021, Pulumi Corporation.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package service implements support for the Pulumi Service secret manager.
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package service
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import (
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"context"
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"encoding/base64"
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"encoding/json"
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"io/ioutil"
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"github.com/pkg/errors"
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"github.com/pulumi/pulumi/pkg/v2/backend/httpstate/client"
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"github.com/pulumi/pulumi/pkg/v2/secrets"
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"github.com/pulumi/pulumi/sdk/v2/go/common/diag"
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"github.com/pulumi/pulumi/sdk/v2/go/common/resource/config"
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"github.com/pulumi/pulumi/sdk/v2/go/common/util/contract"
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"github.com/pulumi/pulumi/sdk/v2/go/common/workspace"
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)
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const Type = "service"
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// serviceCrypter is an encrypter/decrypter that uses the Pulumi servce to encrypt/decrypt a stack's secrets.
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type serviceCrypter struct {
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client *client.Client
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stack client.StackIdentifier
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}
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func newServiceCrypter(client *client.Client, stack client.StackIdentifier) config.Crypter {
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return &serviceCrypter{client: client, stack: stack}
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}
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func (c *serviceCrypter) EncryptValue(plaintext string) (string, error) {
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ciphertext, err := c.client.EncryptValue(context.Background(), c.stack, []byte(plaintext))
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if err != nil {
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return "", err
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}
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return base64.StdEncoding.EncodeToString(ciphertext), nil
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}
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func (c *serviceCrypter) DecryptValue(cipherstring string) (string, error) {
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ciphertext, err := base64.StdEncoding.DecodeString(cipherstring)
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if err != nil {
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return "", err
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}
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plaintext, err := c.client.DecryptValue(context.Background(), c.stack, ciphertext)
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if err != nil {
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return "", err
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}
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return string(plaintext), nil
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}
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type serviceSecretsManagerState struct {
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URL string `json:"url,omitempty"`
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Owner string `json:"owner"`
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Project string `json:"project"`
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Stack string `json:"stack"`
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}
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var _ secrets.Manager = &serviceSecretsManager{}
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type serviceSecretsManager struct {
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state serviceSecretsManagerState
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crypter config.Crypter
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}
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func (sm *serviceSecretsManager) Type() string {
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return Type
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}
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func (sm *serviceSecretsManager) State() interface{} {
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return sm.state
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}
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func (sm *serviceSecretsManager) Decrypter() (config.Decrypter, error) {
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contract.Assert(sm.crypter != nil)
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return sm.crypter, nil
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}
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func (sm *serviceSecretsManager) Encrypter() (config.Encrypter, error) {
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contract.Assert(sm.crypter != nil)
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return sm.crypter, nil
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}
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func NewServiceSecretsManager(c *client.Client, id client.StackIdentifier) (secrets.Manager, error) {
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return &serviceSecretsManager{
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state: serviceSecretsManagerState{
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URL: c.URL(),
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Owner: id.Owner,
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Project: id.Project,
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Stack: id.Stack,
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},
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crypter: newServiceCrypter(c, id),
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}, nil
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}
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// NewServiceSecretsManagerFromState returns a Pulumi service-based secrets manager based on the
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// existing state.
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func NewServiceSecretsManagerFromState(state json.RawMessage) (secrets.Manager, error) {
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var s serviceSecretsManagerState
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if err := json.Unmarshal(state, &s); err != nil {
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return nil, errors.Wrap(err, "unmarshalling state")
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}
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account, err := workspace.GetAccount(s.URL)
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if err != nil {
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return nil, errors.Wrap(err, "getting access token")
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}
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token := account.AccessToken
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if token == "" {
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return nil, errors.Errorf("could not find access token for %s, have you logged in?", s.URL)
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}
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id := client.StackIdentifier{
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Owner: s.Owner,
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Project: s.Project,
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Stack: s.Stack,
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}
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c := client.NewClient(s.URL, token, diag.DefaultSink(ioutil.Discard, ioutil.Discard, diag.FormatOptions{}))
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return &serviceSecretsManager{
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state: s,
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crypter: newServiceCrypter(c, id),
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}, nil
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}
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