Files
cloudpods/pkg/compute/models/keypairs.go
2020-03-12 20:55:22 +08:00

319 lines
10 KiB
Go

// Copyright 2019 Yunion
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package models
import (
"context"
"golang.org/x/crypto/ssh"
"yunion.io/x/jsonutils"
"yunion.io/x/log"
"yunion.io/x/pkg/errors"
"yunion.io/x/pkg/utils"
"yunion.io/x/sqlchemy"
api "yunion.io/x/onecloud/pkg/apis/compute"
"yunion.io/x/onecloud/pkg/cloudcommon/db"
"yunion.io/x/onecloud/pkg/httperrors"
"yunion.io/x/onecloud/pkg/mcclient"
"yunion.io/x/onecloud/pkg/util/logclient"
"yunion.io/x/onecloud/pkg/util/rbacutils"
"yunion.io/x/onecloud/pkg/util/seclib2"
"yunion.io/x/onecloud/pkg/util/stringutils2"
)
type SKeypairManager struct {
db.SStandaloneResourceBaseManager
}
var KeypairManager *SKeypairManager
func init() {
KeypairManager = &SKeypairManager{
SStandaloneResourceBaseManager: db.NewStandaloneResourceBaseManager(
SKeypair{},
"keypairs_tbl",
"keypair",
"keypairs",
),
}
KeypairManager.SetVirtualObject(KeypairManager)
}
type SKeypair struct {
db.SStandaloneResourceBase
// 加密类型
// example: RSA
Scheme string `width:"12" charset:"ascii" nullable:"true" list:"user" create:"required"`
// 指纹信息
// example: 1d:3a:83:4a:a1:f3:75:97:ec:d1:ef:f8:3f:a7:5d:9e
Fingerprint string `width:"48" charset:"ascii" nullable:"false" list:"user" create:"required"`
// 私钥
PrivateKey string `width:"2048" charset:"ascii" nullable:"true" create:"optional"`
// 公钥
PublicKey string `width:"1024" charset:"ascii" nullable:"false" list:"user" create:"required"`
// 用户Id
OwnerId string `width:"128" charset:"ascii" index:"true" nullable:"false" create:"required"`
}
// 列出ssh密钥对
func (manager *SKeypairManager) ListItemFilter(
ctx context.Context,
q *sqlchemy.SQuery,
userCred mcclient.TokenCredential,
query api.KeypairListInput,
) (*sqlchemy.SQuery, error) {
q, err := manager.SStandaloneResourceBaseManager.ListItemFilter(ctx, q, userCred, query.StandaloneResourceListInput)
if err != nil {
return nil, err
}
if query.Admin != nil && *query.Admin && db.IsAdminAllowList(userCred, manager) {
user := query.User
if len(user) > 0 {
uc, _ := db.UserCacheManager.FetchUserByIdOrName(ctx, user)
if uc == nil {
return nil, httperrors.NewUserNotFoundError("user %s not found", user)
}
q = q.Equals("owner_id", uc.Id)
}
} else {
q = q.Equals("owner_id", userCred.GetUserId())
}
if len(query.Scheme) > 0 {
q = q.In("scheme", query.Scheme)
}
if len(query.Fingerprint) > 0 {
q = q.In("fingerprint", query.Fingerprint)
}
return q, nil
}
func (manager *SKeypairManager) OrderByExtraFields(
ctx context.Context,
q *sqlchemy.SQuery,
userCred mcclient.TokenCredential,
query api.KeypairListInput,
) (*sqlchemy.SQuery, error) {
var err error
q, err = manager.SStandaloneResourceBaseManager.OrderByExtraFields(ctx, q, userCred, query.StandaloneResourceListInput)
if err != nil {
return nil, errors.Wrap(err, "SStandaloneResourceBaseManager.OrderByExtraFields")
}
return q, nil
}
func (manager *SKeypairManager) QueryDistinctExtraField(q *sqlchemy.SQuery, field string) (*sqlchemy.SQuery, error) {
var err error
q, err = manager.SStandaloneResourceBaseManager.QueryDistinctExtraField(q, field)
if err == nil {
return q, nil
}
return q, httperrors.ErrNotFound
}
func (manager *SKeypairManager) AllowListItems(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject) bool {
return true
}
func (self *SKeypair) IsOwner(userCred mcclient.TokenCredential) bool {
return self.OwnerId == userCred.GetUserId()
}
func (self *SKeypair) AllowGetDetails(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject) bool {
return self.IsOwner(userCred) || db.IsAdminAllowGet(userCred, self)
}
func (self *SKeypair) GetExtraDetails(
ctx context.Context,
userCred mcclient.TokenCredential,
query jsonutils.JSONObject,
isList bool,
) (api.KeypairDetails, error) {
return api.KeypairDetails{}, nil
}
func (manager *SKeypairManager) FetchCustomizeColumns(
ctx context.Context,
userCred mcclient.TokenCredential,
query jsonutils.JSONObject,
objs []interface{},
fields stringutils2.SSortedStrings,
isList bool,
) []api.KeypairDetails {
rows := make([]api.KeypairDetails, len(objs))
stdRows := manager.SStandaloneResourceBaseManager.FetchCustomizeColumns(ctx, userCred, query, objs, fields, isList)
userIds := make([]string, len(objs))
for i := range rows {
keypair := objs[i].(*SKeypair)
rows[i] = api.KeypairDetails{
StandaloneResourceDetails: stdRows[i],
PrivateKeyLen: len(keypair.PrivateKey),
}
rows[i].LinkedGuestCount, _ = keypair.GetLinkedGuestsCount()
userIds[i] = keypair.OwnerId
}
users := make(map[string]db.SUser)
err := db.FetchStandaloneObjectsByIds(db.UserCacheManager, userIds, &users)
if err != nil {
log.Errorf("FetchStandaloneObjectsByIds for users fail %s", err)
return rows
}
for i := range rows {
if owner, ok := users[userIds[i]]; ok {
rows[i].OwnerName = owner.Name
}
}
return rows
}
func (manager *SKeypairManager) AllowCreateItem(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject, data jsonutils.JSONObject) bool {
return true
}
func (self *SKeypair) AllowUpdateItem(ctx context.Context, userCred mcclient.TokenCredential) bool {
return self.IsOwner(userCred) || db.IsAdminAllowUpdate(userCred, self)
}
func (self *SKeypair) AllowDeleteItem(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject, data jsonutils.JSONObject) bool {
return self.IsOwner(userCred) || db.IsAdminAllowDelete(userCred, self)
}
func (self *SKeypair) GetLinkedGuestsCount() (int, error) {
return GuestManager.Query().Equals("keypair_id", self.Id).CountWithError()
}
func (manager *SKeypairManager) ValidateCreateData(ctx context.Context, userCred mcclient.TokenCredential, ownerId mcclient.IIdentityProvider, query jsonutils.JSONObject, input api.KeypairCreateInput) (*jsonutils.JSONDict, error) {
if len(input.PublicKey) == 0 {
if len(input.Scheme) == 0 {
input.Scheme = api.KEYPAIRE_SCHEME_RSA
}
if !utils.IsInStringArray(input.Scheme, api.KEYPAIR_SCHEMAS) {
return nil, httperrors.NewInputParameterError("Unsupported scheme %s", input.Scheme)
}
var err error
if input.Scheme == api.KEYPAIRE_SCHEME_RSA {
input.PrivateKey, input.PublicKey, err = seclib2.GenerateRSASSHKeypair()
} else {
input.PrivateKey, input.PublicKey, err = seclib2.GenerateDSASSHKeypair()
}
if err != nil {
return nil, httperrors.NewGeneralError(errors.Wrapf(err, "Generate%sSSHKeypair", input.Scheme))
}
}
pubKey, _, _, _, err := ssh.ParseAuthorizedKey([]byte(input.PublicKey))
if err != nil {
return nil, httperrors.NewInputParameterError("invalid public error: %v", err)
}
// 只允许上传RSA格式密钥。PS: AWS只支持RSA格式。
input.Scheme = seclib2.GetPublicKeyScheme(pubKey)
if input.Scheme != api.KEYPAIRE_SCHEME_RSA {
return nil, httperrors.NewInputParameterError("Unsupported scheme %s", input.Scheme)
}
input.Fingerprint = ssh.FingerprintLegacyMD5(pubKey)
input.OwnerId = userCred.GetUserId()
input.StandaloneResourceCreateInput, err = manager.SStandaloneResourceBaseManager.ValidateCreateData(ctx, userCred, ownerId, query, input.StandaloneResourceCreateInput)
if err != nil {
return nil, err
}
return input.JSON(input), nil
}
func (self *SKeypair) ValidateDeleteCondition(ctx context.Context) error {
guestCnt, err := self.GetLinkedGuestsCount()
if err != nil {
return httperrors.NewInternalServerError("GetLinkedGuestsCount failed %s", err)
}
if guestCnt > 0 {
return httperrors.NewNotEmptyError("Cannot delete keypair used by servers")
}
return self.SStandaloneResourceBase.ValidateDeleteCondition(ctx)
}
func totalKeypairCount(userId string) (int, error) {
q := KeypairManager.Query().Equals("owner_id", userId)
return q.CountWithError()
}
func (manager *SKeypairManager) FilterByOwner(q *sqlchemy.SQuery, owner mcclient.IIdentityProvider, scope rbacutils.TRbacScope) *sqlchemy.SQuery {
if owner != nil {
if scope == rbacutils.ScopeUser {
if len(owner.GetUserId()) > 0 {
q = q.Equals("owner_id", owner.GetUserId())
}
}
}
return q
}
func (self *SKeypair) GetOwnerId() mcclient.IIdentityProvider {
owner := db.SOwnerId{UserId: self.OwnerId}
return &owner
}
func (manager *SKeypairManager) FetchByName(userCred mcclient.IIdentityProvider, idStr string) (db.IModel, error) {
return db.FetchByName(manager, userCred, idStr)
}
func (manager *SKeypairManager) FetchByIdOrName(userCred mcclient.IIdentityProvider, idStr string) (db.IModel, error) {
return db.FetchByIdOrName(manager, userCred, idStr)
}
func (keypair *SKeypair) AllowGetDetailsPrivatekey(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject) bool {
return keypair.OwnerId == userCred.GetUserId()
}
func (keypair *SKeypair) GetDetailsPrivatekey(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject) (jsonutils.JSONObject, error) {
retval := jsonutils.NewDict()
if len(keypair.PrivateKey) > 0 {
retval.Add(jsonutils.NewString(keypair.PrivateKey), "private_key")
retval.Add(jsonutils.NewString(keypair.Name), "name")
retval.Add(jsonutils.NewString(keypair.Scheme), "scheme")
_, err := db.Update(keypair, func() error {
keypair.PrivateKey = ""
return nil
})
if err != nil {
return nil, err
}
db.OpsLog.LogEvent(keypair, db.ACT_FETCH, nil, userCred)
logclient.AddActionLogWithContext(ctx, keypair, logclient.ACT_FETCH, nil, userCred, true)
}
return retval, nil
}
func (manager *SKeypairManager) FetchOwnerId(ctx context.Context, data jsonutils.JSONObject) (mcclient.IIdentityProvider, error) {
return db.FetchUserInfo(ctx, data)
}
func (manager *SKeypairManager) NamespaceScope() rbacutils.TRbacScope {
return rbacutils.ScopeUser
}
func (manager *SKeypairManager) ResourceScope() rbacutils.TRbacScope {
return rbacutils.ScopeUser
}