2023-03-15 19:00:52 +03:00
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// Copyright (c) HashiCorp, Inc.
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2024-01-02 21:36:20 +03:00
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// SPDX-License-Identifier: BUSL-1.1
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2023-03-15 19:00:52 +03:00
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2017-11-02 23:05:48 +03:00
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package vault
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import (
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2018-01-08 21:31:38 +03:00
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"context"
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2017-11-02 23:05:48 +03:00
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"fmt"
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"strings"
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2019-06-18 23:42:54 +03:00
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"github.com/golang/protobuf/ptypes"
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2017-11-02 23:05:48 +03:00
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"github.com/hashicorp/vault/helper/identity"
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2018-09-18 06:03:00 +03:00
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"github.com/hashicorp/vault/helper/namespace"
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2019-04-13 00:54:35 +03:00
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"github.com/hashicorp/vault/sdk/framework"
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2019-04-13 10:44:06 +03:00
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"github.com/hashicorp/vault/sdk/logical"
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2017-11-02 23:05:48 +03:00
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)
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func groupAliasPaths(i *IdentityStore) []*framework.Path {
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return []*framework.Path{
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{
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Pattern: "group-alias$",
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DisplayAttrs: &framework.DisplayAttributes{
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OperationPrefix: "group",
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OperationVerb: "create",
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OperationSuffix: "alias",
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},
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2017-11-02 23:05:48 +03:00
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Fields: map[string]*framework.FieldSchema{
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"id": {
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Type: framework.TypeString,
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Description: "ID of the group alias.",
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},
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"name": {
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Type: framework.TypeString,
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Description: "Alias of the group.",
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},
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"mount_accessor": {
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Type: framework.TypeString,
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Description: "Mount accessor to which this alias belongs to.",
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},
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"canonical_id": {
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Type: framework.TypeString,
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Description: "ID of the group to which this is an alias.",
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},
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},
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2017-11-02 23:05:48 +03:00
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Callbacks: map[logical.Operation]framework.OperationFunc{
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logical.UpdateOperation: i.pathGroupAliasRegister(),
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},
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HelpSynopsis: strings.TrimSpace(groupAliasHelp["group-alias"][0]),
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HelpDescription: strings.TrimSpace(groupAliasHelp["group-alias"][1]),
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},
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{
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Pattern: "group-alias/id/" + framework.GenericNameRegex("id"),
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DisplayAttrs: &framework.DisplayAttributes{
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OperationPrefix: "group",
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OperationSuffix: "alias-by-id",
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},
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2017-11-02 23:05:48 +03:00
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Fields: map[string]*framework.FieldSchema{
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"id": {
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Type: framework.TypeString,
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Description: "ID of the group alias.",
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},
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"name": {
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Type: framework.TypeString,
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Description: "Alias of the group.",
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},
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"mount_accessor": {
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Type: framework.TypeString,
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Description: "Mount accessor to which this alias belongs to.",
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},
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"canonical_id": {
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Type: framework.TypeString,
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Description: "ID of the group to which this is an alias.",
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},
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},
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Operations: map[logical.Operation]framework.OperationHandler{
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logical.UpdateOperation: &framework.PathOperation{
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Callback: i.pathGroupAliasIDUpdate(),
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DisplayAttrs: &framework.DisplayAttributes{
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OperationVerb: "update",
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},
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},
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logical.ReadOperation: &framework.PathOperation{
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Callback: i.pathGroupAliasIDRead(),
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DisplayAttrs: &framework.DisplayAttributes{
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OperationVerb: "read",
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},
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},
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logical.DeleteOperation: &framework.PathOperation{
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Callback: i.pathGroupAliasIDDelete(),
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DisplayAttrs: &framework.DisplayAttributes{
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OperationVerb: "delete",
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},
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},
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},
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HelpSynopsis: strings.TrimSpace(groupAliasHelp["group-alias-by-id"][0]),
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2018-04-17 20:54:04 +03:00
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HelpDescription: strings.TrimSpace(groupAliasHelp["group-alias-by-id"][1]),
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},
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{
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Pattern: "group-alias/id/?$",
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DisplayAttrs: &framework.DisplayAttributes{
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OperationPrefix: "group",
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OperationSuffix: "aliases-by-id",
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},
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2017-11-02 23:05:48 +03:00
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Callbacks: map[logical.Operation]framework.OperationFunc{
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logical.ListOperation: i.pathGroupAliasIDList(),
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},
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2018-04-17 20:54:04 +03:00
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HelpSynopsis: strings.TrimSpace(groupAliasHelp["group-alias-id-list"][0]),
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HelpDescription: strings.TrimSpace(groupAliasHelp["group-alias-id-list"][1]),
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},
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}
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}
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2018-01-08 21:31:38 +03:00
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func (i *IdentityStore) pathGroupAliasRegister() framework.OperationFunc {
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return func(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
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_, ok := d.GetOk("id")
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if ok {
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return i.pathGroupAliasIDUpdate()(ctx, req, d)
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}
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2018-01-08 21:31:38 +03:00
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i.groupLock.Lock()
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defer i.groupLock.Unlock()
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2018-09-18 06:03:00 +03:00
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return i.handleGroupAliasUpdateCommon(ctx, req, d, nil)
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2018-01-08 21:31:38 +03:00
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}
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}
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2018-01-08 21:31:38 +03:00
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func (i *IdentityStore) pathGroupAliasIDUpdate() framework.OperationFunc {
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return func(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
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groupAliasID := d.Get("id").(string)
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if groupAliasID == "" {
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return logical.ErrorResponse("empty group alias ID"), nil
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}
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2018-01-08 21:31:38 +03:00
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i.groupLock.Lock()
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defer i.groupLock.Unlock()
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2018-01-08 21:31:38 +03:00
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groupAlias, err := i.MemDBAliasByID(groupAliasID, true, true)
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if err != nil {
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return nil, err
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}
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if groupAlias == nil {
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return logical.ErrorResponse("invalid group alias ID"), nil
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}
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2018-09-18 06:03:00 +03:00
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return i.handleGroupAliasUpdateCommon(ctx, req, d, groupAlias)
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}
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}
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2019-06-18 23:42:54 +03:00
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// NOTE: Currently we don't allow by-factors modification of group aliases the
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// way we do with entities. As a result if a groupAlias is defined here we know
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// that this is an update, where they provided an ID parameter.
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2018-09-18 06:03:00 +03:00
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func (i *IdentityStore) handleGroupAliasUpdateCommon(ctx context.Context, req *logical.Request, d *framework.FieldData, groupAlias *identity.Alias) (*logical.Response, error) {
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var newGroup, previousGroup *identity.Group
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2019-06-18 23:42:54 +03:00
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ns, err := namespace.FromContext(ctx)
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if err != nil {
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return nil, err
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}
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2019-06-18 23:42:54 +03:00
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if groupAlias == nil {
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groupAlias = &identity.Alias{
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CreationTime: ptypes.TimestampNow(),
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NamespaceID: ns.ID,
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}
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groupAlias.LastUpdateTime = groupAlias.CreationTime
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} else {
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if ns.ID != groupAlias.NamespaceID {
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return logical.ErrorResponse("existing alias not in the same namespace as request"), logical.ErrPermissionDenied
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}
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groupAlias.LastUpdateTime = ptypes.TimestampNow()
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if groupAlias.CreationTime == nil {
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groupAlias.CreationTime = groupAlias.LastUpdateTime
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}
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}
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// Get group alias name
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name := d.Get("name").(string)
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if name == "" {
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return logical.ErrorResponse("missing alias name"), nil
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}
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mountAccessor := d.Get("mount_accessor").(string)
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if mountAccessor == "" {
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return logical.ErrorResponse("missing mount_accessor"), nil
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}
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2019-06-18 23:42:54 +03:00
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canonicalID := d.Get("canonical_id").(string)
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2019-06-18 23:42:54 +03:00
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if groupAlias.Name == name && groupAlias.MountAccessor == mountAccessor && (canonicalID == "" || groupAlias.CanonicalID == canonicalID) {
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// Nothing to do, be idempotent
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return nil, nil
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2018-04-23 20:46:14 +03:00
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}
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2019-06-18 23:42:54 +03:00
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// Explicitly correct for previous versions that persisted this
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groupAlias.MountType = ""
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// Canonical ID handling
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{
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if canonicalID != "" {
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newGroup, err = i.MemDBGroupByID(canonicalID, true)
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if err != nil {
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return nil, err
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}
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if newGroup == nil {
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return logical.ErrorResponse("invalid group ID given in 'canonical_id'"), nil
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}
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if newGroup.Type != groupTypeExternal {
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return logical.ErrorResponse("alias can't be set on an internal group"), nil
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}
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if newGroup.NamespaceID != groupAlias.NamespaceID {
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return logical.ErrorResponse("group referenced with 'canonical_id' not in the same namespace as alias"), logical.ErrPermissionDenied
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}
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groupAlias.CanonicalID = canonicalID
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}
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2017-11-02 23:05:48 +03:00
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}
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2019-06-18 23:42:54 +03:00
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// Validate name/accessor whether new or update
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{
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2021-08-30 22:31:11 +03:00
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mountEntry := i.router.MatchingMountByAccessor(mountAccessor)
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2019-06-18 23:42:54 +03:00
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if mountEntry == nil {
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return logical.ErrorResponse(fmt.Sprintf("invalid mount accessor %q", mountAccessor)), nil
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}
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if mountEntry.Local {
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return logical.ErrorResponse(fmt.Sprintf("mount accessor %q is a local mount", mountAccessor)), nil
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}
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if mountEntry.NamespaceID != groupAlias.NamespaceID {
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return logical.ErrorResponse("mount referenced via 'mount_accessor' not in the same namespace as alias"), logical.ErrPermissionDenied
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}
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2019-06-18 23:42:54 +03:00
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groupAliasByFactors, err := i.MemDBAliasByFactors(mountEntry.Accessor, name, false, true)
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if err != nil {
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return nil, err
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2017-11-02 23:05:48 +03:00
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}
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2019-06-18 23:42:54 +03:00
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// This check will still work for the new case too since it won't have
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// an ID yet
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2017-11-02 23:05:48 +03:00
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if groupAliasByFactors != nil && groupAliasByFactors.ID != groupAlias.ID {
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return logical.ErrorResponse("combination of mount and group alias name is already in use"), nil
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}
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2019-06-18 23:42:54 +03:00
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groupAlias.Name = name
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groupAlias.MountAccessor = mountAccessor
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}
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switch groupAlias.ID {
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case "":
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// It's a new alias
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if newGroup == nil {
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// If this is a new alias being tied to a non-existent group,
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// create a new group for it
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newGroup = &identity.Group{
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Type: groupTypeExternal,
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}
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}
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default:
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// Fetch the group, if any, to which the alias is tied to
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previousGroup, err = i.MemDBGroupByAliasID(groupAlias.ID, true)
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2017-11-02 23:05:48 +03:00
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if err != nil {
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return nil, err
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}
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2019-06-18 23:42:54 +03:00
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if previousGroup == nil {
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2017-11-02 23:05:48 +03:00
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return nil, fmt.Errorf("group alias is not associated with a group")
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}
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2019-06-18 23:42:54 +03:00
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if previousGroup.NamespaceID != groupAlias.NamespaceID {
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return logical.ErrorResponse("previous group found for alias not in the same namespace as alias"), logical.ErrPermissionDenied
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2017-11-02 23:05:48 +03:00
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}
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2019-06-18 23:42:54 +03:00
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if newGroup == nil || newGroup.ID == previousGroup.ID {
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// If newGroup is nil they didn't specify a canonical ID, so they
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// aren't trying to update it; set the existing group as the "new"
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// one. If it's the same ID they specified the same canonical ID,
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// so follow the same behavior.
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newGroup = previousGroup
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previousGroup = nil
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} else {
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// The alias is moving, so nil out the previous group alias
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previousGroup.Alias = nil
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}
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2019-06-14 19:53:00 +03:00
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}
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2019-06-18 23:42:54 +03:00
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newGroup.Alias = groupAlias
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err = i.sanitizeAndUpsertGroup(ctx, newGroup, previousGroup, nil)
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2017-11-02 23:05:48 +03:00
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if err != nil {
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return nil, err
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}
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2019-06-18 23:42:54 +03:00
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return &logical.Response{
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Data: map[string]interface{}{
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"id": groupAlias.ID,
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"canonical_id": newGroup.ID,
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},
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}, nil
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2017-11-02 23:05:48 +03:00
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}
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// pathGroupAliasIDRead returns the properties of an alias for a given
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// alias ID
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2018-01-08 21:31:38 +03:00
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func (i *IdentityStore) pathGroupAliasIDRead() framework.OperationFunc {
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return func(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
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groupAliasID := d.Get("id").(string)
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if groupAliasID == "" {
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return logical.ErrorResponse("empty group alias id"), nil
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}
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2017-11-02 23:05:48 +03:00
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2018-01-08 21:31:38 +03:00
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groupAlias, err := i.MemDBAliasByID(groupAliasID, false, true)
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if err != nil {
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return nil, err
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}
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2017-11-02 23:05:48 +03:00
|
|
|
|
2018-09-18 06:03:00 +03:00
|
|
|
return i.handleAliasReadCommon(ctx, groupAlias)
|
2018-01-08 21:31:38 +03:00
|
|
|
}
|
2017-11-02 23:05:48 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
// pathGroupAliasIDDelete deletes the group's alias for a given group alias ID
|
2018-01-08 21:31:38 +03:00
|
|
|
func (i *IdentityStore) pathGroupAliasIDDelete() framework.OperationFunc {
|
|
|
|
return func(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
|
|
|
|
groupAliasID := d.Get("id").(string)
|
|
|
|
if groupAliasID == "" {
|
|
|
|
return logical.ErrorResponse("missing group alias ID"), nil
|
|
|
|
}
|
2017-11-02 23:05:48 +03:00
|
|
|
|
2018-06-24 14:45:53 +03:00
|
|
|
i.groupLock.Lock()
|
|
|
|
defer i.groupLock.Unlock()
|
|
|
|
|
|
|
|
txn := i.db.Txn(true)
|
|
|
|
defer txn.Abort()
|
|
|
|
|
|
|
|
alias, err := i.MemDBAliasByIDInTxn(txn, groupAliasID, false, true)
|
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
|
|
|
|
if alias == nil {
|
|
|
|
return nil, nil
|
|
|
|
}
|
|
|
|
|
2018-09-18 06:03:00 +03:00
|
|
|
ns, err := namespace.FromContext(ctx)
|
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
if ns.ID != alias.NamespaceID {
|
2019-06-18 23:42:54 +03:00
|
|
|
return logical.ErrorResponse("request namespace is not the same as the group alias namespace"), logical.ErrPermissionDenied
|
2018-09-18 06:03:00 +03:00
|
|
|
}
|
|
|
|
|
2018-06-24 14:45:53 +03:00
|
|
|
group, err := i.MemDBGroupByAliasIDInTxn(txn, alias.ID, true)
|
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
|
|
|
|
// If there is no group tied to a valid alias, something is wrong
|
|
|
|
if group == nil {
|
|
|
|
return nil, fmt.Errorf("alias not associated to a group")
|
|
|
|
}
|
|
|
|
|
|
|
|
// Delete group alias in memdb
|
|
|
|
err = i.MemDBDeleteAliasByIDInTxn(txn, group.Alias.ID, true)
|
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
|
|
|
|
// Delete the alias
|
|
|
|
group.Alias = nil
|
|
|
|
|
2019-05-01 20:47:41 +03:00
|
|
|
err = i.UpsertGroupInTxn(ctx, txn, group, true)
|
2018-06-24 14:45:53 +03:00
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
|
|
|
|
txn.Commit()
|
|
|
|
|
|
|
|
return nil, nil
|
2018-01-08 21:31:38 +03:00
|
|
|
}
|
2017-11-02 23:05:48 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
// pathGroupAliasIDList lists the IDs of all the valid group aliases in the
|
|
|
|
// identity store
|
2018-01-08 21:31:38 +03:00
|
|
|
func (i *IdentityStore) pathGroupAliasIDList() framework.OperationFunc {
|
|
|
|
return func(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
|
2018-09-18 06:03:00 +03:00
|
|
|
return i.handleAliasListCommon(ctx, true)
|
2018-01-08 21:31:38 +03:00
|
|
|
}
|
2017-11-02 23:05:48 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
var groupAliasHelp = map[string][2]string{
|
|
|
|
"group-alias": {
|
|
|
|
"Creates a new group alias, or updates an existing one.",
|
|
|
|
"",
|
|
|
|
},
|
|
|
|
"group-alias-id": {
|
|
|
|
"Update, read or delete a group alias using ID.",
|
|
|
|
"",
|
|
|
|
},
|
|
|
|
"group-alias-id-list": {
|
2018-04-17 20:54:04 +03:00
|
|
|
"List all the group alias IDs.",
|
2017-11-02 23:05:48 +03:00
|
|
|
"",
|
|
|
|
},
|
|
|
|
}
|