@ -259,6 +259,33 @@ func (sys *IAMSys) LoadPolicy(objAPI ObjectLayer, policyName string) error {
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 {
return errInvalidArgument
}
sys . Lock ( )
defer sys . Unlock ( )
if globalEtcdClient == nil {
var err error
if isGroup {
err = sys . store . loadMappedPolicy ( userOrGroup , false , isGroup , sys . iamGroupPolicyMap )
} else {
err = sys . store . loadMappedPolicy ( userOrGroup , false , 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 , isSTS bool ) error {
if objAPI == nil {
@ -516,6 +543,29 @@ func (sys *IAMSys) ListUsers() (map[string]madmin.UserInfo, error) {
return users , nil
}
// GetUserInfo - get info on a user.
func ( sys * IAMSys ) GetUserInfo ( name string ) ( u madmin . UserInfo , err error ) {
objectAPI := newObjectLayerFn ( )
if objectAPI == nil {
return u , errServerNotInitialized
}
sys . RLock ( )
defer sys . RUnlock ( )
creds , found := sys . iamUsersMap [ name ]
if ! found {
return u , errNoSuchUser
}
u = madmin . UserInfo {
PolicyName : sys . iamUserPolicyMap [ name ] . Policy ,
Status : madmin . AccountStatus ( creds . Status ) ,
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 := newObjectLayerFn ( )
@ -776,6 +826,16 @@ func (sys *IAMSys) SetGroupStatus(group string, enabled bool) error {
// GetGroupDescription - builds up group description
func ( sys * IAMSys ) GetGroupDescription ( group string ) ( gd madmin . GroupDesc , err error ) {
ps , err := sys . PolicyDBGet ( group , true )
if err != nil {
return gd , err
}
// A group may be mapped to at most one policy.
policy := ""
if len ( ps ) > 0 {
policy = ps [ 0 ]
}
sys . RLock ( )
defer sys . RUnlock ( )
@ -784,17 +844,6 @@ func (sys *IAMSys) GetGroupDescription(group string) (gd madmin.GroupDesc, err e
return gd , errNoSuchGroup
}
var p [ ] string
p , err = sys . policyDBGet ( group , true )
if err != nil {
return gd , err
}
policy := ""
if len ( p ) > 0 {
policy = p [ 0 ]
}
return madmin . GroupDesc {
Name : group ,
Status : gi . Status ,
@ -837,21 +886,28 @@ func (sys *IAMSys) policyDBSet(objectAPI ObjectLayer, name, policy string, isSTS
if name == "" || policy == "" {
return errInvalidArgument
}
if _ , ok := sys . iamUsersMap [ name ] ; ! ok {
return errNoSuchUser
}
if _ , ok := sys . iamPolicyDocsMap [ policy ] ; ! ok {
return errNoSuchPolicy
}
if ! isGroup {
if _ , ok := sys . iamUsersMap [ name ] ; ! ok {
return errNoSuchUser
}
} else {
if _ , ok := sys . iamGroupsMap [ name ] ; ! ok {
return errNoSuchGroup
}
}
mp := newMappedPolicy ( policy )
if err := sys . store . saveMappedPolicy ( name , isSTS , isGroup , mp ) ; err != nil {
return err
}
if ! isGroup {
sys . iamUserPolicyMap [ name ] = mp
} else {
sys . iamGroupPolicyMap [ name ] = mp
}
return nil
}
@ -991,18 +1047,42 @@ func (sys *IAMSys) IsAllowed(args iampolicy.Args) bool {
return sys . IsAllowedSTS ( args )
}
// Policies don't apply to the owner.
if args . IsOwner {
return true
}
policies , err := sys . PolicyDBGet ( args . AccountName , false )
if err != nil {
logger . LogIf ( context . Background ( ) , err )
return false
}
if len ( policies ) == 0 {
// No policy found.
return false
}
// Policies were found, evaluate all of them.
sys . RLock ( )
defer sys . RUnlock ( )
// If policy is available for given user, check the policy.
if mp , found := sys . iamUserPolicyMap [ args . AccountName ] ; found {
p , ok := sys . iamPolicyDocsMap [ mp . Policy ]
return ok && p . IsAllowed ( args )
var availablePolicies [ ] iampolicy . Policy
for _ , pname := range policies {
p , found := sys . iamPolicyDocsMap [ pname ]
if found {
availablePolicies = append ( availablePolicies , p )
}
// As policy is not available and OPA is not configured,
// return the owner value.
return args . IsOwner
}
if len ( availablePolicies ) == 0 {
return false
}
combinedPolicy := availablePolicies [ 0 ]
for i := 1 ; i < len ( availablePolicies ) ; i ++ {
combinedPolicy . Statements = append ( combinedPolicy . Statements ,
availablePolicies [ i ] . Statements ... )
}
return combinedPolicy . IsAllowed ( args )
}
// Set default canned policies only if not already overridden by users.
Aditya Manthramurthy
5 years ago
committed by