forked from minio/minio
/
iam.go
1858 lines (1548 loc) · 47.4 KB
/
iam.go
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/*
* MinIO Cloud Storage, (C) 2018-2019 MinIO, Inc.
*
* 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 cmd
import (
"bytes"
"context"
"encoding/base64"
"encoding/json"
"fmt"
"github.com/minio/minio-go/v6/pkg/set"
"github.com/minio/minio/cmd/config"
"github.com/minio/minio/cmd/logger"
"github.com/minio/minio/pkg/auth"
"github.com/minio/minio/pkg/bucket/policy"
iampolicy "github.com/minio/minio/pkg/iam/policy"
"github.com/minio/minio/pkg/madmin"
)
// UsersSysType - defines the type of users and groups system that is
// active on the server.
type UsersSysType string
// Types of users configured in the server.
const (
// This mode uses the internal users system in MinIO.
MinIOUsersSysType UsersSysType = "MinIOUsersSys"
// This mode uses users and groups from a configured LDAP
// server.
LDAPUsersSysType UsersSysType = "LDAPUsersSys"
)
const (
// IAM configuration directory.
iamConfigPrefix = minioConfigPrefix + "/iam"
// IAM users directory.
iamConfigUsersPrefix = iamConfigPrefix + "/users/"
// IAM service accounts directory.
iamConfigServiceAccountsPrefix = iamConfigPrefix + "/service-accounts/"
// IAM groups directory.
iamConfigGroupsPrefix = iamConfigPrefix + "/groups/"
// IAM policies directory.
iamConfigPoliciesPrefix = iamConfigPrefix + "/policies/"
// IAM sts directory.
iamConfigSTSPrefix = iamConfigPrefix + "/sts/"
// IAM Policy DB prefixes.
iamConfigPolicyDBPrefix = iamConfigPrefix + "/policydb/"
iamConfigPolicyDBUsersPrefix = iamConfigPolicyDBPrefix + "users/"
iamConfigPolicyDBSTSUsersPrefix = iamConfigPolicyDBPrefix + "sts-users/"
iamConfigPolicyDBServiceAccountsPrefix = iamConfigPolicyDBPrefix + "service-accounts/"
iamConfigPolicyDBGroupsPrefix = iamConfigPolicyDBPrefix + "groups/"
// IAM identity file which captures identity credentials.
iamIdentityFile = "identity.json"
// IAM policy file which provides policies for each users.
iamPolicyFile = "policy.json"
// IAM group members file
iamGroupMembersFile = "members.json"
// IAM format file
iamFormatFile = "format.json"
iamFormatVersion1 = 1
)
const (
statusEnabled = "enabled"
statusDisabled = "disabled"
)
type iamFormat struct {
Version int `json:"version"`
}
func newIAMFormatVersion1() iamFormat {
return iamFormat{Version: iamFormatVersion1}
}
func getIAMFormatFilePath() string {
return iamConfigPrefix + SlashSeparator + iamFormatFile
}
func getUserIdentityPath(user string, userType IAMUserType) string {
var basePath string
switch userType {
case srvAccUser:
basePath = iamConfigServiceAccountsPrefix
case stsUser:
basePath = iamConfigSTSPrefix
default:
basePath = iamConfigUsersPrefix
}
return pathJoin(basePath, user, iamIdentityFile)
}
func getGroupInfoPath(group string) string {
return pathJoin(iamConfigGroupsPrefix, group, iamGroupMembersFile)
}
func getPolicyDocPath(name string) string {
return pathJoin(iamConfigPoliciesPrefix, name, iamPolicyFile)
}
func getMappedPolicyPath(name string, userType IAMUserType, isGroup bool) string {
if isGroup {
return pathJoin(iamConfigPolicyDBGroupsPrefix, name+".json")
}
switch userType {
case srvAccUser:
return pathJoin(iamConfigPolicyDBServiceAccountsPrefix, name+".json")
case stsUser:
return pathJoin(iamConfigPolicyDBSTSUsersPrefix, name+".json")
default:
return pathJoin(iamConfigPolicyDBUsersPrefix, name+".json")
}
}
// UserIdentity represents a user's secret key and their status
type UserIdentity struct {
Version int `json:"version"`
Credentials auth.Credentials `json:"credentials"`
}
func newUserIdentity(cred auth.Credentials) UserIdentity {
return UserIdentity{Version: 1, Credentials: cred}
}
// GroupInfo contains info about a group
type GroupInfo struct {
Version int `json:"version"`
Status string `json:"status"`
Members []string `json:"members"`
}
func newGroupInfo(members []string) GroupInfo {
return GroupInfo{Version: 1, Status: statusEnabled, Members: members}
}
// MappedPolicy represents a policy name mapped to a user or group
type MappedPolicy struct {
Version int `json:"version"`
Policy string `json:"policy"`
}
func newMappedPolicy(policy string) MappedPolicy {
return MappedPolicy{Version: 1, Policy: policy}
}
// IAMSys - config system.
type IAMSys struct {
usersSysType UsersSysType
// map of policy names to policy definitions
iamPolicyDocsMap map[string]iampolicy.Policy
// map of usernames to credentials
iamUsersMap map[string]auth.Credentials
// map of group names to group info
iamGroupsMap map[string]GroupInfo
// map of user names to groups they are a member of
iamUserGroupMemberships map[string]set.StringSet
// map of usernames/temporary access keys to policy names
iamUserPolicyMap map[string]MappedPolicy
// map of group names to policy names
iamGroupPolicyMap map[string]MappedPolicy
// Persistence layer for IAM subsystem
store IAMStorageAPI
}
// IAMUserType represents a user type inside MinIO server
type IAMUserType int
const (
regularUser IAMUserType = iota
stsUser
srvAccUser
)
// IAMStorageAPI defines an interface for the IAM persistence layer
type IAMStorageAPI interface {
lock()
unlock()
rlock()
runlock()
migrateBackendFormat(context.Context) error
loadPolicyDoc(policy string, m map[string]iampolicy.Policy) error
loadPolicyDocs(ctx context.Context, m map[string]iampolicy.Policy) error
loadUser(user string, userType IAMUserType, m map[string]auth.Credentials) error
loadUsers(ctx context.Context, userType IAMUserType, m map[string]auth.Credentials) error
loadGroup(group string, m map[string]GroupInfo) error
loadGroups(ctx context.Context, m map[string]GroupInfo) error
loadMappedPolicy(name string, userType IAMUserType, isGroup bool, m map[string]MappedPolicy) error
loadMappedPolicies(ctx context.Context, userType IAMUserType, isGroup bool, m map[string]MappedPolicy) error
loadAll(context.Context, *IAMSys) error
saveIAMConfig(item interface{}, path string) error
loadIAMConfig(item interface{}, path string) error
deleteIAMConfig(path string) error
savePolicyDoc(policyName string, p iampolicy.Policy) error
saveMappedPolicy(name string, userType IAMUserType, isGroup bool, mp MappedPolicy) error
saveUserIdentity(name string, userType IAMUserType, u UserIdentity) error
saveGroupInfo(group string, gi GroupInfo) error
deletePolicyDoc(policyName string) error
deleteMappedPolicy(name string, userType IAMUserType, isGroup bool) error
deleteUserIdentity(name string, userType IAMUserType) error
deleteGroupInfo(name string) error
watch(context.Context, *IAMSys)
}
// LoadGroup - loads a specific group from storage, and updates the
// memberships cache. If the specified group does not exist in
// storage, it is removed from in-memory maps as well - this
// simplifies the implementation for group removal. This is called
// only via IAM notifications.
func (sys *IAMSys) LoadGroup(objAPI ObjectLayer, group string) error {
if objAPI == nil || sys == nil || sys.store == nil {
return errServerNotInitialized
}
if globalEtcdClient != nil {
// Watch APIs cover this case, so nothing to do.
return nil
}
sys.store.lock()
defer sys.store.unlock()
err := sys.store.loadGroup(group, sys.iamGroupsMap)
if err != nil && err != errConfigNotFound {
return err
}
if err == errConfigNotFound {
// group does not exist - so remove from memory.
sys.removeGroupFromMembershipsMap(group)
delete(sys.iamGroupsMap, group)
delete(sys.iamGroupPolicyMap, group)
return nil
}
gi := sys.iamGroupsMap[group]
// Updating the group memberships cache happens in two steps:
//
// 1. Remove the group from each user's list of memberships.
// 2. Add the group to each member's list of memberships.
//
// This ensures that regardless of members being added or
// removed, the cache stays current.
sys.removeGroupFromMembershipsMap(group)
sys.updateGroupMembershipsMap(group, &gi)
return nil
}
// LoadPolicy - reloads a specific canned policy from backend disks or etcd.
func (sys *IAMSys) LoadPolicy(objAPI ObjectLayer, policyName string) error {
if objAPI == nil || sys == nil || sys.store == nil {
return errServerNotInitialized
}
sys.store.lock()
defer sys.store.unlock()
if globalEtcdClient == nil {
return sys.store.loadPolicyDoc(policyName, sys.iamPolicyDocsMap)
}
// When etcd is set, we use watch APIs so this code is not needed.
return nil
}
// LoadPolicyMapping - loads the mapped policy for a user or group
// from storage into server memory.
func (sys *IAMSys) LoadPolicyMapping(objAPI ObjectLayer, userOrGroup string, isGroup bool) error {
if objAPI == nil || sys == nil || sys.store == nil {
return errServerNotInitialized
}
sys.store.lock()
defer sys.store.unlock()
if globalEtcdClient == nil {
var err error
if isGroup {
err = sys.store.loadMappedPolicy(userOrGroup, regularUser, isGroup, sys.iamGroupPolicyMap)
} else {
err = sys.store.loadMappedPolicy(userOrGroup, regularUser, isGroup, sys.iamUserPolicyMap)
}
// Ignore policy not mapped error
if err != nil && err != errConfigNotFound {
return err
}
}
// When etcd is set, we use watch APIs so this code is not needed.
return nil
}
// LoadUser - reloads a specific user from backend disks or etcd.
func (sys *IAMSys) LoadUser(objAPI ObjectLayer, accessKey string, userType IAMUserType) error {
if objAPI == nil || sys == nil || sys.store == nil {
return errServerNotInitialized
}
sys.store.lock()
defer sys.store.unlock()
if globalEtcdClient == nil {
err := sys.store.loadUser(accessKey, userType, sys.iamUsersMap)
if err != nil {
return err
}
err = sys.store.loadMappedPolicy(accessKey, userType, false, sys.iamUserPolicyMap)
// Ignore policy not mapped error
if err != nil && err != errConfigNotFound {
return err
}
}
// When etcd is set, we use watch APIs so this code is not needed.
return nil
}
// LoadServiceAccount - reloads a specific service account from backend disks or etcd.
func (sys *IAMSys) LoadServiceAccount(accessKey string) error {
if sys == nil || sys.store == nil {
return errServerNotInitialized
}
sys.store.lock()
defer sys.store.unlock()
if globalEtcdClient == nil {
err := sys.store.loadUser(accessKey, srvAccUser, sys.iamUsersMap)
if err != nil {
return err
}
}
// When etcd is set, we use watch APIs so this code is not needed.
return nil
}
// Perform IAM configuration migration.
func (sys *IAMSys) doIAMConfigMigration(ctx context.Context) error {
return sys.store.migrateBackendFormat(ctx)
}
// Init - initializes config system from iam.json
func (sys *IAMSys) Init(ctx context.Context, objAPI ObjectLayer) error {
if objAPI == nil {
return errServerNotInitialized
}
if globalEtcdClient == nil {
sys.store = newIAMObjectStore(ctx, objAPI)
} else {
sys.store = newIAMEtcdStore(ctx)
}
if globalLDAPConfig.Enabled {
sys.EnableLDAPSys()
}
// Migrate IAM configuration
if err := sys.doIAMConfigMigration(ctx); err != nil {
return err
}
err := sys.store.loadAll(ctx, sys)
// Invalidate the old cred after finishing IAM initialization
globalOldCred = auth.Credentials{}
go sys.store.watch(ctx, sys)
return err
}
// DeletePolicy - deletes a canned policy from backend or etcd.
func (sys *IAMSys) DeletePolicy(policyName string) error {
objectAPI := newObjectLayerWithoutSafeModeFn()
if objectAPI == nil || sys == nil || sys.store == nil {
return errServerNotInitialized
}
if policyName == "" {
return errInvalidArgument
}
sys.store.lock()
defer sys.store.unlock()
err := sys.store.deletePolicyDoc(policyName)
if err == errNoSuchPolicy {
// Ignore error if policy is already deleted.
err = nil
}
delete(sys.iamPolicyDocsMap, policyName)
// Delete user-policy mappings that will no longer apply
var usersToDel []string
var usersType []IAMUserType
for u, mp := range sys.iamUserPolicyMap {
if mp.Policy == policyName {
cr, ok := sys.iamUsersMap[u]
if !ok {
// This case cannot happen
return errNoSuchUser
}
// User is from STS if the cred are temporary
if cr.IsTemp() {
usersType = append(usersType, stsUser)
} else {
usersType = append(usersType, regularUser)
}
usersToDel = append(usersToDel, u)
}
}
for i, u := range usersToDel {
sys.policyDBSet(u, "", usersType[i], false)
}
// Delete group-policy mappings that will no longer apply
var groupsToDel []string
for g, mp := range sys.iamGroupPolicyMap {
if mp.Policy == policyName {
groupsToDel = append(groupsToDel, g)
}
}
for _, g := range groupsToDel {
sys.policyDBSet(g, "", regularUser, true)
}
return err
}
// InfoPolicy - expands the canned policy into its JSON structure.
func (sys *IAMSys) InfoPolicy(policyName string) (iampolicy.Policy, error) {
objectAPI := newObjectLayerWithoutSafeModeFn()
if objectAPI == nil || sys == nil || sys.store == nil {
return iampolicy.Policy{}, errServerNotInitialized
}
sys.store.rlock()
defer sys.store.runlock()
v, ok := sys.iamPolicyDocsMap[policyName]
if !ok {
return iampolicy.Policy{}, errNoSuchPolicy
}
return v, nil
}
// ListPolicies - lists all canned policies.
func (sys *IAMSys) ListPolicies() (map[string]iampolicy.Policy, error) {
objectAPI := newObjectLayerWithoutSafeModeFn()
if objectAPI == nil || sys == nil || sys.store == nil {
return nil, errServerNotInitialized
}
sys.store.rlock()
defer sys.store.runlock()
policyDocsMap := make(map[string]iampolicy.Policy, len(sys.iamPolicyDocsMap))
for k, v := range sys.iamPolicyDocsMap {
policyDocsMap[k] = v
}
return policyDocsMap, nil
}
// SetPolicy - sets a new name policy.
func (sys *IAMSys) SetPolicy(policyName string, p iampolicy.Policy) error {
objectAPI := newObjectLayerWithoutSafeModeFn()
if objectAPI == nil || sys == nil || sys.store == nil {
return errServerNotInitialized
}
if p.IsEmpty() || policyName == "" {
return errInvalidArgument
}
sys.store.lock()
defer sys.store.unlock()
if err := sys.store.savePolicyDoc(policyName, p); err != nil {
return err
}
sys.iamPolicyDocsMap[policyName] = p
return nil
}
// DeleteUser - delete user (only for long-term users not STS users).
func (sys *IAMSys) DeleteUser(accessKey string) error {
objectAPI := newObjectLayerWithoutSafeModeFn()
if objectAPI == nil || sys == nil || sys.store == nil {
return errServerNotInitialized
}
// First we remove the user from their groups.
userInfo, getErr := sys.GetUserInfo(accessKey)
if getErr != nil {
return getErr
}
for _, group := range userInfo.MemberOf {
removeErr := sys.RemoveUsersFromGroup(group, []string{accessKey})
if removeErr != nil {
return removeErr
}
}
// Next we can remove the user from memory and IAM store
sys.store.lock()
defer sys.store.unlock()
if sys.usersSysType != MinIOUsersSysType {
return errIAMActionNotAllowed
}
// Delete any service accounts if any first.
for _, u := range sys.iamUsersMap {
if u.IsServiceAccount() {
if u.ParentUser == accessKey {
_ = sys.store.deleteUserIdentity(u.AccessKey, srvAccUser)
delete(sys.iamUsersMap, u.AccessKey)
}
}
}
// It is ok to ignore deletion error on the mapped policy
sys.store.deleteMappedPolicy(accessKey, regularUser, false)
err := sys.store.deleteUserIdentity(accessKey, regularUser)
if err == errNoSuchUser {
// ignore if user is already deleted.
err = nil
}
delete(sys.iamUsersMap, accessKey)
delete(sys.iamUserPolicyMap, accessKey)
return err
}
// SetTempUser - set temporary user credentials, these credentials have an expiry.
func (sys *IAMSys) SetTempUser(accessKey string, cred auth.Credentials, policyName string) error {
objectAPI := newObjectLayerWithoutSafeModeFn()
if objectAPI == nil || sys == nil || sys.store == nil {
return errServerNotInitialized
}
sys.store.lock()
defer sys.store.unlock()
// If OPA is not set we honor any policy claims for this
// temporary user which match with pre-configured canned
// policies for this server.
if globalPolicyOPA == nil && policyName != "" {
p, ok := sys.iamPolicyDocsMap[policyName]
if !ok {
return errInvalidArgument
}
if p.IsEmpty() {
delete(sys.iamUserPolicyMap, accessKey)
return nil
}
mp := newMappedPolicy(policyName)
if err := sys.store.saveMappedPolicy(accessKey, stsUser, false, mp); err != nil {
return err
}
sys.iamUserPolicyMap[accessKey] = mp
}
u := newUserIdentity(cred)
if err := sys.store.saveUserIdentity(accessKey, stsUser, u); err != nil {
return err
}
sys.iamUsersMap[accessKey] = cred
return nil
}
// ListUsers - list all users.
func (sys *IAMSys) ListUsers() (map[string]madmin.UserInfo, error) {
objectAPI := newObjectLayerWithoutSafeModeFn()
if objectAPI == nil || sys == nil || sys.store == nil {
return nil, errServerNotInitialized
}
var users = make(map[string]madmin.UserInfo)
sys.store.rlock()
defer sys.store.runlock()
if sys.usersSysType != MinIOUsersSysType {
return nil, errIAMActionNotAllowed
}
for k, v := range sys.iamUsersMap {
if !v.IsTemp() && !v.IsServiceAccount() {
users[k] = madmin.UserInfo{
PolicyName: sys.iamUserPolicyMap[k].Policy,
Status: func() madmin.AccountStatus {
if v.IsValid() {
return madmin.AccountEnabled
}
return madmin.AccountDisabled
}(),
}
}
}
return users, nil
}
// IsTempUser - returns if given key is a temporary user.
func (sys *IAMSys) IsTempUser(name string) (bool, error) {
objectAPI := newObjectLayerWithoutSafeModeFn()
if objectAPI == nil || sys == nil || sys.store == nil {
return false, errServerNotInitialized
}
sys.store.rlock()
defer sys.store.runlock()
cred, found := sys.iamUsersMap[name]
if !found {
return false, errNoSuchUser
}
return cred.IsTemp(), nil
}
// IsServiceAccount - returns if given key is a service account
func (sys *IAMSys) IsServiceAccount(name string) (bool, string, error) {
objectAPI := newObjectLayerWithoutSafeModeFn()
if objectAPI == nil || sys == nil || sys.store == nil {
return false, "", errServerNotInitialized
}
sys.store.rlock()
defer sys.store.runlock()
cred, found := sys.iamUsersMap[name]
if !found {
return false, "", errNoSuchUser
}
if cred.IsServiceAccount() {
return true, cred.ParentUser, nil
}
return false, "", nil
}
// GetUserInfo - get info on a user.
func (sys *IAMSys) GetUserInfo(name string) (u madmin.UserInfo, err error) {
objectAPI := newObjectLayerWithoutSafeModeFn()
if objectAPI == nil || sys == nil || sys.store == nil {
return u, errServerNotInitialized
}
sys.store.rlock()
defer sys.store.runlock()
if sys.usersSysType != MinIOUsersSysType {
// If the user has a mapped policy or is a member of a group, we
// return that info. Otherwise we return error.
mappedPolicy, ok1 := sys.iamUserPolicyMap[name]
memberships, ok2 := sys.iamUserGroupMemberships[name]
if !ok1 && !ok2 {
return u, errNoSuchUser
}
return madmin.UserInfo{
PolicyName: mappedPolicy.Policy,
MemberOf: memberships.ToSlice(),
}, nil
}
cred, found := sys.iamUsersMap[name]
if !found {
return u, errNoSuchUser
}
if cred.IsTemp() || cred.IsServiceAccount() {
return u, errIAMActionNotAllowed
}
u = madmin.UserInfo{
PolicyName: sys.iamUserPolicyMap[name].Policy,
Status: func() madmin.AccountStatus {
if cred.IsValid() {
return madmin.AccountEnabled
}
return madmin.AccountDisabled
}(),
MemberOf: sys.iamUserGroupMemberships[name].ToSlice(),
}
return u, nil
}
// SetUserStatus - sets current user status, supports disabled or enabled.
func (sys *IAMSys) SetUserStatus(accessKey string, status madmin.AccountStatus) error {
objectAPI := newObjectLayerWithoutSafeModeFn()
if objectAPI == nil || sys == nil || sys.store == nil {
return errServerNotInitialized
}
if status != madmin.AccountEnabled && status != madmin.AccountDisabled {
return errInvalidArgument
}
sys.store.lock()
defer sys.store.unlock()
if sys.usersSysType != MinIOUsersSysType {
return errIAMActionNotAllowed
}
cred, ok := sys.iamUsersMap[accessKey]
if !ok {
return errNoSuchUser
}
if cred.IsTemp() || cred.IsServiceAccount() {
return errIAMActionNotAllowed
}
uinfo := newUserIdentity(auth.Credentials{
AccessKey: accessKey,
SecretKey: cred.SecretKey,
Status: func() string {
if status == madmin.AccountEnabled {
return config.EnableOn
}
return config.EnableOff
}(),
})
if err := sys.store.saveUserIdentity(accessKey, regularUser, uinfo); err != nil {
return err
}
sys.iamUsersMap[accessKey] = uinfo.Credentials
return nil
}
// NewServiceAccount - create a new service account
func (sys *IAMSys) NewServiceAccount(ctx context.Context, parentUser string, sessionPolicy *iampolicy.Policy) (auth.Credentials, error) {
objectAPI := newObjectLayerWithoutSafeModeFn()
if objectAPI == nil || sys == nil || sys.store == nil {
return auth.Credentials{}, errServerNotInitialized
}
var policyBuf []byte
if sessionPolicy != nil {
err := sessionPolicy.Validate()
if err != nil {
return auth.Credentials{}, err
}
policyBuf, err = json.Marshal(sessionPolicy)
if err != nil {
return auth.Credentials{}, err
}
if len(policyBuf) > 16*1024 {
return auth.Credentials{}, fmt.Errorf("Session policy should not exceed 16 KiB characters")
}
}
sys.store.lock()
defer sys.store.unlock()
if parentUser == globalActiveCred.AccessKey {
return auth.Credentials{}, errIAMActionNotAllowed
}
cr, ok := sys.iamUsersMap[parentUser]
if !ok {
return auth.Credentials{}, errNoSuchUser
}
// Disallow service accounts to further create more service accounts.
if cr.IsServiceAccount() {
return auth.Credentials{}, errIAMActionNotAllowed
}
// FIXME: Disallow temporary users with no parent, this is most
// probably with OpenID which we don't support to provide
// any parent user, LDAPUsersType and MinIOUsersType are
// currently supported.
if cr.ParentUser == "" && cr.IsTemp() {
return auth.Credentials{}, errIAMActionNotAllowed
}
m := make(map[string]interface{})
m[parentClaim] = parentUser
if len(policyBuf) > 0 {
m[iampolicy.SessionPolicyName] = base64.StdEncoding.EncodeToString(policyBuf)
m[iamPolicyClaimNameSA()] = "embedded-policy"
} else {
m[iamPolicyClaimNameSA()] = "inherited-policy"
}
secret := globalActiveCred.SecretKey
cred, err := auth.GetNewCredentialsWithMetadata(m, secret)
if err != nil {
return auth.Credentials{}, err
}
cred.ParentUser = parentUser
u := newUserIdentity(cred)
if err := sys.store.saveUserIdentity(u.Credentials.AccessKey, srvAccUser, u); err != nil {
return auth.Credentials{}, err
}
sys.iamUsersMap[u.Credentials.AccessKey] = u.Credentials
return cred, nil
}
// ListServiceAccounts - lists all services accounts associated to a specific user
func (sys *IAMSys) ListServiceAccounts(ctx context.Context, accessKey string) ([]string, error) {
objectAPI := newObjectLayerWithoutSafeModeFn()
if objectAPI == nil || sys == nil || sys.store == nil {
return nil, errServerNotInitialized
}
sys.store.rlock()
defer sys.store.runlock()
var serviceAccounts []string
for k, v := range sys.iamUsersMap {
if v.IsServiceAccount() && v.ParentUser == accessKey {
serviceAccounts = append(serviceAccounts, k)
}
}
return serviceAccounts, nil
}
// GetServiceAccountParent - gets information about a service account
func (sys *IAMSys) GetServiceAccountParent(ctx context.Context, accessKey string) (string, error) {
objectAPI := newObjectLayerWithoutSafeModeFn()
if objectAPI == nil || sys == nil || sys.store == nil {
return "", errServerNotInitialized
}
sys.store.rlock()
defer sys.store.runlock()
sa, ok := sys.iamUsersMap[accessKey]
if !ok || !sa.IsServiceAccount() {
return "", errNoSuchServiceAccount
}
return sa.ParentUser, nil
}
// DeleteServiceAccount - delete a service account
func (sys *IAMSys) DeleteServiceAccount(ctx context.Context, accessKey string) error {
objectAPI := newObjectLayerWithoutSafeModeFn()
if objectAPI == nil || sys == nil || sys.store == nil {
return errServerNotInitialized
}
sys.store.lock()
defer sys.store.unlock()
sa, ok := sys.iamUsersMap[accessKey]
if !ok || !sa.IsServiceAccount() {
return errNoSuchServiceAccount
}
// It is ok to ignore deletion error on the mapped policy
err := sys.store.deleteUserIdentity(accessKey, srvAccUser)
if err != nil {
// ignore if user is already deleted.
if err == errNoSuchUser {
return nil
}
return err
}
delete(sys.iamUsersMap, accessKey)
return nil
}
// SetUser - set user credentials and policy.
func (sys *IAMSys) SetUser(accessKey string, uinfo madmin.UserInfo) error {
objectAPI := newObjectLayerWithoutSafeModeFn()
if objectAPI == nil || sys == nil || sys.store == nil {
return errServerNotInitialized
}
u := newUserIdentity(auth.Credentials{
AccessKey: accessKey,
SecretKey: uinfo.SecretKey,
Status: string(uinfo.Status),
})
sys.store.lock()
defer sys.store.unlock()
if sys.usersSysType != MinIOUsersSysType {
return errIAMActionNotAllowed
}
cr, ok := sys.iamUsersMap[accessKey]
if cr.IsTemp() && ok {
return errIAMActionNotAllowed
}
if err := sys.store.saveUserIdentity(accessKey, regularUser, u); err != nil {
return err
}
sys.iamUsersMap[accessKey] = u.Credentials
// Set policy if specified.
if uinfo.PolicyName != "" {
return sys.policyDBSet(accessKey, uinfo.PolicyName, regularUser, false)
}
return nil
}
// SetUserSecretKey - sets user secret key
func (sys *IAMSys) SetUserSecretKey(accessKey string, secretKey string) error {
objectAPI := newObjectLayerWithoutSafeModeFn()
if objectAPI == nil || sys == nil || sys.store == nil {
return errServerNotInitialized
}
sys.store.lock()
defer sys.store.unlock()
if sys.usersSysType != MinIOUsersSysType {
return errIAMActionNotAllowed
}
cred, ok := sys.iamUsersMap[accessKey]
if !ok {
return errNoSuchUser
}
cred.SecretKey = secretKey
u := newUserIdentity(cred)
if err := sys.store.saveUserIdentity(accessKey, regularUser, u); err != nil {
return err
}
sys.iamUsersMap[accessKey] = cred
return nil
}
// GetUser - get user credentials
func (sys *IAMSys) GetUser(accessKey string) (cred auth.Credentials, ok bool) {
objectAPI := newObjectLayerWithoutSafeModeFn()
if objectAPI == nil || sys == nil || sys.store == nil {
return cred, false
}