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utils.go
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utils.go
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// Copyright The Athenz Authors
// Licensed under the terms of the Apache version 2.0 license. See LICENSE file for terms.
package zmscli
import (
"bufio"
"strings"
"github.com/AthenZ/athenz/clients/go/zms"
)
func split(data []byte, atEOF bool) (advance int, token []byte, err error) {
// create a split function using the existing word scanner
// we're going to look for the quoted strings and handle them accordingly
advance, token, err = bufio.ScanWords(data, atEOF)
if err == nil && token != nil {
if token[0] == '"' {
var advanceFwd int
var tokenFwd []byte
for {
advanceFwd, tokenFwd, err = bufio.ScanWords(data[advance:], atEOF)
if err != nil || tokenFwd == nil {
return
}
advance += advanceFwd
token = append(token, 32)
token = append(token, tokenFwd...)
if tokenFwd[len(tokenFwd)-1] == '"' {
token = token[1 : len(token)-1]
break
}
}
}
}
return
}
func (cli Zms) createResourceList(items []string) []zms.ResourceName {
list := make([]zms.ResourceName, 0)
for _, item := range items {
list = append(list, zms.ResourceName(item))
}
return list
}
func (cli Zms) createStringList(items []zms.ResourceName) []string {
list := make([]string, 0)
for _, item := range items {
list = append(list, string(item))
}
return list
}
func (cli Zms) tokenizer(input string) ([]string, error) {
scanner := bufio.NewScanner(strings.NewReader(input))
scanner.Split(split)
tokens := make([]string, 0)
for scanner.Scan() {
tokens = append(tokens, scanner.Text())
}
err := scanner.Err()
return tokens, err
}
func indexOfString(s []string, match string) int {
for i, ss := range s {
if ss == match {
return i
}
}
return -1
}
func (cli Zms) validatedUser(user string) string {
//special case to support adding * as a member
if !strings.Contains(user, ".") && user != "*" {
return cli.UserDomain + "." + user
}
return user
}
func (cli Zms) validatedUsers(users []string, forceSelf bool) []string {
validatedUsers := make([]string, 0)
for _, v := range users {
validatedUsers = append(validatedUsers, cli.validatedUser(v))
}
if forceSelf && indexOfString(validatedUsers, cli.Identity) < 0 {
validatedUsers = append(validatedUsers, cli.Identity)
}
return validatedUsers
}
func (cli Zms) contains(s []string, e string) bool {
for _, a := range s {
if a == e {
return true
}
}
return false
}
func (cli Zms) containsMember(roleMembers []*zms.RoleMember, member string) bool {
for _, roleMember := range roleMembers {
if string(roleMember.MemberName) == member {
return true
}
}
return false
}
func (cli Zms) validateRoleMembers(users []*zms.RoleMember) {
for _, v := range users {
v.MemberName = zms.MemberName(cli.validatedUser(string(v.MemberName)))
}
}
func (cli Zms) validateGroupMembers(users []*zms.GroupMember) {
for _, v := range users {
v.MemberName = zms.GroupMemberName(cli.validatedUser(string(v.MemberName)))
}
}
func (cli Zms) convertRoleMembers(users []string) []*zms.RoleMember {
roleMembers := make([]*zms.RoleMember, 0)
for _, v := range users {
roleMember := zms.NewRoleMember()
roleMember.MemberName = zms.MemberName(cli.validatedUser(v))
roleMembers = append(roleMembers, roleMember)
}
return roleMembers
}
func (cli Zms) convertGroupMembers(users []string) []*zms.GroupMember {
groupMembers := make([]*zms.GroupMember, 0)
for _, v := range users {
groupMember := zms.NewGroupMember()
if !strings.Contains(v, ".") {
groupMember.MemberName = zms.GroupMemberName(cli.UserDomain + "." + v)
} else {
groupMember.MemberName = zms.GroupMemberName(v)
}
groupMembers = append(groupMembers, groupMember)
}
return groupMembers
}
func (cli Zms) RemoveAll(fullList []string, removeList []string) []string {
var newList []string
for _, item := range fullList {
if !cli.contains(removeList, item) {
newList = append(newList, item)
}
}
return newList
}