Files
cloudpods/pkg/compute/models/keypairs.go
2019-12-12 11:31:41 +08:00

277 lines
9.9 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/utils"
"yunion.io/x/sqlchemy"
"yunion.io/x/onecloud/pkg/apis"
"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"
)
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
Scheme string `width:"12" charset:"ascii" nullable:"true" list:"user" create:"required"` // Column(VARCHAR(length=12, charset='ascii'), nullable=True, default='RSA')
Fingerprint string `width:"48" charset:"ascii" nullable:"false" list:"user" create:"required"` // Column(VARCHAR(length=48, charset='ascii'), nullable=False)
PrivateKey string `width:"2048" charset:"ascii" nullable:"true" create:"optional"` // Column(VARCHAR(length=2048, charset='ascii'), nullable=False)
PublicKey string `width:"1024" charset:"ascii" nullable:"false" list:"user" create:"required"` // Column(VARCHAR(length=1024, charset='ascii'), nullable=False)
OwnerId string `width:"128" charset:"ascii" index:"true" nullable:"false" create:"required"` // Column(VARCHAR(length=36, charset='ascii'), index=True, nullable=False)
}
func (manager *SKeypairManager) ListItemFilter(ctx context.Context, q *sqlchemy.SQuery, userCred mcclient.TokenCredential, query jsonutils.JSONObject) (*sqlchemy.SQuery, error) {
q, err := manager.SStandaloneResourceBaseManager.ListItemFilter(ctx, q, userCred, query)
if err != nil {
return nil, err
}
if jsonutils.QueryBoolean(query, "admin", false) && db.IsAdminAllowList(userCred, manager) {
user, _ := query.GetString("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())
}
return q, nil
}
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) GetCustomizeColumns(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject) *jsonutils.JSONDict {
extra := self.SStandaloneResourceBase.GetCustomizeColumns(ctx, userCred, query)
extra.Add(jsonutils.NewInt(int64(len(self.PrivateKey))), "private_key_len")
guestCnt, err := self.GetLinkedGuestsCount()
if err == nil {
extra.Add(jsonutils.NewInt(int64(guestCnt)), "linked_guest_count")
}
return extra
}
func (self *SKeypair) GetExtraDetails(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject) (*jsonutils.JSONDict, error) {
extra, err := self.SStandaloneResourceBase.GetExtraDetails(ctx, userCred, query)
if err != nil {
return nil, err
}
extra.Add(jsonutils.NewInt(int64(len(self.PrivateKey))), "private_key_len")
guestCnt, err := self.GetLinkedGuestsCount()
if err != nil {
return nil, httperrors.NewInternalServerError("GetLinkedGuestsCount fail %s", err)
}
extra.Add(jsonutils.NewInt(int64(guestCnt)), "linked_guest_count")
if db.IsAdminAllowGet(userCred, self) {
extra.Add(jsonutils.NewString(self.OwnerId), "owner_id")
uc, _ := db.UserCacheManager.FetchUserById(ctx, self.OwnerId)
if uc != nil {
extra.Add(jsonutils.NewString(uc.Name), "owner_name")
}
}
return extra, nil
}
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, data *jsonutils.JSONDict) (*jsonutils.JSONDict, error) {
publicKey, _ := data.GetString("public_key")
if len(publicKey) == 0 {
scheme, _ := data.GetString("scheme")
if len(scheme) > 0 {
if !utils.IsInStringArray(scheme, []string{"RSA", "DSA"}) {
return nil, httperrors.NewInputParameterError("Unsupported scheme %s", scheme)
}
} else {
scheme = "RSA"
}
var privKey, pubKey string
var err error
if scheme == "RSA" {
privKey, pubKey, err = seclib2.GenerateRSASSHKeypair()
} else {
privKey, pubKey, err = seclib2.GenerateDSASSHKeypair()
}
if err != nil {
log.Errorf("fail to generate ssh keypair %s", err)
return nil, httperrors.NewGeneralError(err)
}
publicKey = pubKey
data.Set("public_key", jsonutils.NewString(pubKey))
data.Set("private_key", jsonutils.NewString(privKey))
}
pubKey, _, _, _, err := ssh.ParseAuthorizedKey([]byte(publicKey))
if err != nil {
log.Errorf("invalid public key %s", err)
return nil, httperrors.NewInputParameterError("invalid public")
}
// 只允许上传RSA格式密钥。PS: AWS只支持RSA格式。
scheme := seclib2.GetPublicKeyScheme(pubKey)
if scheme != "RSA" {
return nil, httperrors.NewInputParameterError("Unsupported scheme %s", scheme)
}
data.Set("fingerprint", jsonutils.NewString(ssh.FingerprintLegacyMD5(pubKey)))
data.Set("scheme", jsonutils.NewString(scheme))
data.Set("owner_id", jsonutils.NewString(userCred.GetUserId()))
input := apis.StandaloneResourceCreateInput{}
err = data.Unmarshal(&input)
if err != nil {
return nil, httperrors.NewInternalServerError("unmarshal StandaloneRes ourceCreateInput fail %s", err)
}
input, err = manager.SStandaloneResourceBaseManager.ValidateCreateData(ctx, userCred, ownerId, query, input)
if err != nil {
return nil, err
}
data.Update(jsonutils.Marshal(input))
return data, 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
}