/
user.go
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/
user.go
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// Copyright 2019 HAProxy Technologies
//
// 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 configuration
import (
"errors"
"fmt"
"strings"
"github.com/go-openapi/strfmt"
parser "github.com/haproxytech/config-parser/v4"
parser_errors "github.com/haproxytech/config-parser/v4/errors"
"github.com/haproxytech/config-parser/v4/types"
"github.com/haproxytech/client-native/v4/misc"
"github.com/haproxytech/client-native/v4/models"
)
type User interface {
GetUsers(userlist string, transactionID string) (int64, models.Users, error)
GetUser(username string, userlist string, transactionID string) (int64, *models.User, error)
DeleteUser(username string, userlist string, transactionID string, version int64) error
CreateUser(userlist string, data *models.User, transactionID string, version int64) error
EditUser(username string, userlist string, data *models.User, transactionID string, version int64) error
}
// GetUsers returns configuration version and an array of configured User lines in the specified userlist.
// Returns error on fail.
func (c *client) GetUsers(userlist string, transactionID string) (int64, models.Users, error) {
p, err := c.GetParser(transactionID)
if err != nil {
return 0, nil, err
}
v, err := c.GetVersion(transactionID)
if err != nil {
return 0, nil, err
}
users, err := ParseUsers(userlist, p)
if err != nil {
return v, nil, c.HandleError("", "userlist", userlist, "", false, err)
}
return v, users, nil
}
// GetUser returns configuration version and a requested User line in the specified userlist.
// Returns error on fail or if User does not exist
func (c *client) GetUser(username string, userlist string, transactionID string) (int64, *models.User, error) {
p, err := c.GetParser(transactionID)
if err != nil {
return 0, nil, err
}
v, err := c.GetVersion(transactionID)
if err != nil {
return 0, nil, err
}
user, _ := GetUserByUsername(username, userlist, p)
if err != nil {
return v, nil, c.HandleError(username, "userlist", userlist, "", false, err)
}
return v, user, nil
}
// DeleteUser deletes a User line in the configuration. One of version or transactionID is mandatory.
// Returns error on fail, nil on success
func (c *client) DeleteUser(username string, userlist string, transactionID string, version int64) error {
p, t, err := c.loadDataForChange(transactionID, version)
if err != nil {
return err
}
if _, _, err := c.GetUserList(userlist, transactionID); err != nil {
return err
}
user, i := GetUserByUsername(username, userlist, p)
if user == nil {
return NewConfError(ErrObjectDoesNotExist, fmt.Sprintf("user %s does not exist", username))
}
if err := p.Delete("userlist", userlist, "user", i); err != nil {
return c.HandleError(username, "userlist", userlist, t, transactionID == "", err)
}
if err := c.SaveData(p, t, transactionID == ""); err != nil {
return err
}
return nil
}
// CreateUser creates a User line in the configuration. One of version or transactionID is mandatory.
// Returns error on fail, nil on success
func (c *client) CreateUser(userlist string, data *models.User, transactionID string, version int64) error {
if c.UseModelsValidation {
validationErr := data.Validate(strfmt.Default)
if validationErr != nil {
return NewConfError(ErrValidationError, validationErr.Error())
}
}
p, t, err := c.loadDataForChange(transactionID, version)
if err != nil {
return err
}
if _, _, err := c.GetUserList(userlist, transactionID); err != nil {
return err
}
user, _ := GetUserByUsername(data.Username, userlist, p)
if user != nil {
return NewConfError(ErrObjectAlreadyExists, fmt.Sprintf("user %s already exists", data.Username))
}
if err := p.Insert("userlist", userlist, "user", SerializeUser(*data), -1); err != nil {
return c.HandleError(data.Username, "userlist", userlist, t, transactionID == "", err)
}
if err := c.SaveData(p, t, transactionID == ""); err != nil {
return err
}
return nil
}
// EditUser edits a User line in the configuration. One of version or transactionID is mandatory.
// Returns error on fail, nil on success.
func (c *client) EditUser(username string, userlist string, data *models.User, transactionID string, version int64) error {
if c.UseModelsValidation {
validationErr := data.Validate(strfmt.Default)
if validationErr != nil {
return NewConfError(ErrValidationError, validationErr.Error())
}
}
p, t, err := c.loadDataForChange(transactionID, version)
if err != nil {
return err
}
if _, _, err := c.GetUserList(userlist, transactionID); err != nil {
return err
}
user, i := GetUserByUsername(data.Username, userlist, p)
if user == nil {
return NewConfError(ErrObjectDoesNotExist, fmt.Sprintf("user %s does not exist", data.Username))
}
if err := p.Set(parser.UserList, userlist, "user", SerializeUser(*data), i); err != nil {
return c.HandleError(data.Username, "userlist", userlist, t, transactionID == "", err)
}
if err := c.SaveData(p, t, transactionID == ""); err != nil {
return err
}
return nil
}
func ParseUsers(userlist string, p parser.Parser) (models.Users, error) {
users := models.Users{}
data, err := p.Get("userlist", userlist, "user", false)
if err != nil {
if errors.Is(err, parser_errors.ErrFetch) {
return users, nil
}
return nil, err
}
items := data.([]types.User)
for _, item := range items {
user := ParseUser(item)
users = append(users, user)
}
return users, nil
}
func ParseUser(u types.User) *models.User {
securePassword := !u.IsInsecure
return &models.User{
Username: u.Name,
Password: u.Password,
SecurePassword: &securePassword,
Groups: strings.Join(u.Groups, ","),
}
}
func SerializeUser(u models.User) types.User {
if u.SecurePassword == nil {
u.SecurePassword = misc.BoolP(false)
}
var groups []string
if u.Groups != "" {
groups = strings.Split(u.Groups, ",")
}
return types.User{
Name: u.Username,
Password: u.Password,
IsInsecure: !*u.SecurePassword,
Groups: groups,
}
}
func GetUserByUsername(username string, userlist string, p parser.Parser) (*models.User, int) {
users, err := ParseUsers(userlist, p)
if err != nil {
return nil, 0
}
for i, user := range users {
if user.Username == username {
return user, i
}
}
return nil, 0
}