ShareDAV/cmd_user.go

151 lines
4.6 KiB
Go

// Copyright (c) 2020, Andreas Schneider
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of the <organization> nor the
// names of its contributors may be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
package main
import (
"fmt"
"os"
"golang.org/x/crypto/bcrypt"
)
type CmdUser struct {
CmdList CmdUserList `cmd:"" name:"list" help:"List all users."`
CmdAdd CmdUserAdd `cmd:"" name:"add" help:"Add a user."`
CmdUpdate CmdUserUpdate `cmd:"" name:"update" help:"Update a user."`
CmdDelete CmdUserDelete `cmd:"" name:"delete" help:"Delete a user."`
}
type CmdUserList struct{}
func (cmd CmdUserList) Run(app *app) error {
users, err := app.userStore.GetUsers()
if err != nil {
return err
}
for _, user := range users {
fmt.Printf("* %s (%s)\n", user.Username, user.Role)
}
return nil
}
type CmdUserAdd struct {
Username string `arg:"" name:"username" help:"The username to be added."`
PasswordParam
Role GlobalRole `name:"role" default:"user" help:"Role of the user. 'admin' or ' user'"`
}
func (cmd CmdUserAdd) Run(app *app) error {
switch cmd.Role {
case GlobalRoleUser:
case GlobalRoleAdmin:
default:
return fmt.Errorf("invalid user role")
}
password, err := cmd.acquirePassword()
if err != nil {
return fmt.Errorf("cannot acquire password for user: %w", err)
}
user := User{
Username: cmd.Username,
Password: password,
Role: cmd.Role,
}
return app.userStore.AddUser(user)
}
type CmdUserUpdate struct {
Username string `arg:"" name:"username" help:"The username of the user to be updated."`
Password string `name:"password" help:"Update the password, if set."`
Role GlobalRole `name:"role" default:"user" help:"Update the role, if set. 'admin' or ' user'"`
}
func (cmd CmdUserUpdate) Run(app *app) error {
user, err := app.userStore.GetUser(cmd.Username)
if err != nil {
return err
}
changed := false
if cmd.Role != "" && cmd.Role != user.Role {
switch cmd.Role {
case GlobalRoleUser:
case GlobalRoleAdmin:
default:
return fmt.Errorf("invalid user role")
}
user.Role = cmd.Role
changed = true
}
if cmd.Password != "" {
hash, err := bcrypt.GenerateFromPassword([]byte(cmd.Password), 0)
if err != nil {
return fmt.Errorf("cannot hash password: %w", err)
}
user.Password = string(hash)
changed = true
}
if !changed {
// Nothing changed. Nothing to write. Not different from a successful write to the user.
return nil
}
return app.userStore.UpdateUser(user)
}
type CmdUserDelete struct {
Username string `arg:"" name:"username" help:"The username of the user to be deleted."`
}
func (cmd CmdUserDelete) Run(app *app) error {
if err := app.userStore.RemoveUser(cmd.Username); err != nil {
return fmt.Errorf("cannot remove user: %w", err)
}
sharesByUser, err := app.shareStore.FindSharesByUser(cmd.Username)
if err != nil {
return fmt.Errorf("cannot get shares of user: %w", err)
}
allSuccessful := true
for _, userShare := range sharesByUser {
if err := app.shareStore.RemoveShare(userShare.UUID); err != nil {
fmt.Fprintf(os.Stderr, "User %q cannot be removed from Share %q: %v\n", cmd.Username, userShare.UUID.String(), err)
allSuccessful = false
}
}
if !allSuccessful {
return fmt.Errorf("could not remove user from all shares")
}
return nil
}