filebrowser/storage/sql/users.go
2022-11-25 13:16:41 +08:00

342 lines
8.9 KiB
Go

package sql
import (
"database/sql"
"encoding/json"
"fmt"
"reflect"
"strconv"
"strings"
"github.com/filebrowser/filebrowser/v2/errors"
"github.com/filebrowser/filebrowser/v2/files"
"github.com/filebrowser/filebrowser/v2/rules"
"github.com/filebrowser/filebrowser/v2/users"
)
type usersBackend struct {
db *sql.DB
}
func PermFromString(s string) users.Permissions {
var perm users.Permissions
if s == "" {
return perm
}
err := json.Unmarshal([]byte(s), &perm)
checkError(err, "Fail to parse perm from string")
return perm
}
func PermToString(perm users.Permissions) string {
data, err := json.Marshal(perm)
if checkError(err, "Fail to stringify users.Permissions") {
return ""
}
return string(data)
}
func CommandsFromString(s string) []string {
if s == "" {
return make([]string, 0)
}
var commands []string
err := json.Unmarshal([]byte(s), &commands)
checkError(err, "Fail to parse users Commands")
return commands
}
func CommandsToString(commands []string) string {
data, err := json.Marshal(commands)
if checkError(err, "Fail to stringify users commands") {
return ""
}
return string(data)
}
func SortingFromString(s string) files.Sorting {
if s == "" {
return files.Sorting{}
}
var sorting files.Sorting
err := json.Unmarshal([]byte(s), &sorting)
checkError(err, "Fail to parse Sorting from string")
return sorting
}
func SortingToString(sorting files.Sorting) string {
data, err := json.Marshal(sorting)
if checkError(err, "Fail to stringify files.Sorting") {
return ""
}
return string(data)
}
func rulesFromString(s string) []rules.Rule {
rules := make([]rules.Rule, 0)
if s == "" {
return rules
}
err := json.Unmarshal([]byte(s), &rules)
checkError(err, "Fail to parse Rules from string")
return rules
}
func RulesToString(rules []rules.Rule) string {
data, err := json.Marshal(rules)
if checkError(err, "Fail to stringify []rules.Rule") {
return ""
}
return string(data)
}
var adminUser = createAdminUser()
func createAdminUser() users.User {
userDefault := defaultSettings.Defaults
user := users.User{}
user.Username = "admin"
user.Password = "admin"
user.Scope = userDefault.Scope
user.LockPassword = false
user.ViewMode = userDefault.ViewMode
user.Perm = users.Permissions{
Admin: true,
Execute: true,
Create: true,
Rename: true,
Modify: true,
Delete: true,
Share: true,
Download: true,
}
user.Commands = userDefault.Commands
user.Sorting = userDefault.Sorting
return user
}
func InitUserTable(db *sql.DB) error {
sql := "create table if not exists users (id integer primary key, username string, password string, scope string, locale string, lockpassword bool, viewmode string, perm string, commands string, sorting string, rules string, hidedotfiles bool, dateformat bool, singleclick bool);"
_, err := db.Exec(sql)
checkError(err, "Fail to create users table")
return err
}
func (s usersBackend) GetBy(i interface{}) (*users.User, error) {
columns := []string{"id", "username", "password", "scope", "locale", "lockpassword", "viewmode", "perm", "commands", "sorting", "rules", "hidedotfiles", "dateformat", "singleclick"}
columnsStr := strings.Join(columns, ",")
var conditionStr string
switch i.(type) {
case uint:
conditionStr = fmt.Sprintf("id=%v", i)
case int:
conditionStr = fmt.Sprintf("id=%v", i)
case string:
conditionStr = fmt.Sprintf("username='%v'", i)
default:
return nil, errors.ErrInvalidDataType
}
userID := uint(0)
username := ""
password := ""
scope := ""
locale := ""
lockpassword := false
var viewmode users.ViewMode = users.ListViewMode
perm := ""
commands := ""
sorting := ""
rules := ""
hidedotfiles := false
dateformat := false
singleclick := false
user := users.User{}
sql := fmt.Sprintf("select %s from users where %s", columnsStr, conditionStr)
err := s.db.QueryRow(sql).Scan(&userID, &username, &password, &scope, &locale, &lockpassword, &viewmode, &perm, &commands, &sorting, &rules, &hidedotfiles, &dateformat, &singleclick)
if checkError(err, "") {
return nil, err
}
user.ID = userID
user.Username = username
user.Password = password
user.Scope = scope
user.Locale = locale
user.LockPassword = lockpassword
user.ViewMode = viewmode
user.Perm = PermFromString(perm)
user.Commands = CommandsFromString(commands)
user.Sorting = SortingFromString(sorting)
user.Rules = rulesFromString(rules)
user.HideDotfiles = hidedotfiles
user.DateFormat = dateformat
user.SingleClick = singleclick
return &user, nil
}
func (s usersBackend) Gets() ([]*users.User, error) {
sql := "select id, username, password, scope, lockpassword, viewmode, perm,commands,sorting,rules from users"
rows, err := s.db.Query(sql)
if checkError(err, "Fail to Query []*users.User") {
return nil, err
}
var users2 []*users.User = make([]*users.User, 0)
for rows.Next() {
id := 0
username := ""
password := ""
scope := ""
lockpassword := false
var viewmode users.ViewMode = "list"
perm := ""
commands := ""
sorting := ""
rules := ""
err := rows.Scan(&id, &username, &password, &scope, &lockpassword, &viewmode, &perm, &commands, &sorting, &rules)
if checkError(err, "Fail to parse record for user.User") {
continue
}
user := users.User{}
user.ID = uint(id)
user.Username = username
user.Password = password
user.Scope = scope
user.LockPassword = lockpassword
user.ViewMode = viewmode
user.Perm = PermFromString(perm)
user.Commands = CommandsFromString(commands)
user.Sorting = SortingFromString(sorting)
user.Rules = rulesFromString(rules)
users2 = append(users2, &user)
}
return users2, nil
}
func (s usersBackend) updateUser(id uint, user *users.User) error {
lockpassword := 0
if user.LockPassword {
lockpassword = 1
}
sql := fmt.Sprintf(
"update users set username='%s',password='%s',scope='%s',lockpassword=%d,viewmode='%s',perm='%s',commands='%s',sorting='%s',rules='%s' where id=%d",
user.Username,
user.Password,
user.Scope,
lockpassword,
user.ViewMode,
PermToString(user.Perm),
CommandsToString(user.Commands),
SortingToString(user.Sorting),
RulesToString(user.Rules),
user.ID,
)
_, err := s.db.Exec(sql)
checkError(err, "Fail to update user")
return err
}
func (s usersBackend) insertUser(user *users.User) error {
password, err := users.HashPwd(user.Password)
if checkError(err, "Fail to hash password") {
return err
}
columnSpec := [][]string{
{"username", "'%s'"},
{"password", "'%s'"},
{"scope", "'%s'"},
{"locale", "'%s'"},
{"lockpassword", "%s"},
{"viewmode", "'%s'"},
{"perm", "'%s'"},
{"commands", "'%s'"},
{"sorting", "'%s'"},
{"rules", "'%s'"},
{"hidedotfiles", "%s"},
{"dateformat", "%s"},
{"singleclick", "%s"},
}
columns := []string{}
specs := []string{}
for _, c := range columnSpec {
columns = append(columns, c[0])
specs = append(specs, c[1])
}
columnStr := strings.Join(columns, ",")
specStr := strings.Join(specs, ",")
sqlFormat := fmt.Sprintf("insert into users (%s) values (%s)", columnStr, specStr)
sql := fmt.Sprintf(
sqlFormat,
user.Username,
password,
user.Scope,
user.Locale,
boolToString(user.LockPassword),
user.ViewMode,
PermToString(user.Perm),
CommandsToString(user.Commands),
SortingToString(user.Sorting),
RulesToString(user.Rules),
boolToString(user.HideDotfiles),
boolToString(user.DateFormat),
boolToString(user.SingleClick),
)
res, err := s.db.Exec(sql)
if !checkError(err, "Fail to insert user") {
id, err2 := res.LastInsertId()
if !checkError(err2, "Fail to fetch last insert id") {
user.ID = uint(id)
}
}
return err
}
func (s usersBackend) Save(user *users.User) error {
userOriginal, err := s.GetBy(user.Username)
checkError(err, "")
if userOriginal != nil {
return s.updateUser(user.ID, user)
}
return s.insertUser(user)
}
func (s usersBackend) DeleteByID(id uint) error {
sql := "delete from users where id=" + strconv.Itoa(int(id))
_, err := s.db.Exec(sql)
checkError(err, "Fail to delete User by id")
return err
}
func (s usersBackend) DeleteByUsername(username string) error {
sql := "delete from users where username='" + username + "'"
_, err := s.db.Exec(sql)
checkError(err, "Fail to delete user by username")
return err
}
func (s usersBackend) Update(u *users.User, fields ...string) error {
var setItems = []string{}
for _, field := range fields {
userField := reflect.ValueOf(u).Elem().FieldByName(field)
if !userField.IsValid() {
continue
}
field = strings.ToLower(field)
val := userField.Interface()
typeStr := reflect.TypeOf(val).Kind().String()
fmt.Println(typeStr)
if typeStr == "string" {
setItems = append(setItems, fmt.Sprintf("%s='%s'", field, val))
} else if typeStr == "bool" {
setItems = append(setItems, fmt.Sprintf("%s=%s", field, boolToString(val.(bool))))
} else {
// TODO
setItems = append(setItems, fmt.Sprintf("%s=%s", field, val))
}
}
sql := fmt.Sprintf("update users set %s where id=%d", strings.Join(setItems, ","), u.ID)
fmt.Println(sql)
_, err := s.db.Exec(sql)
checkError(err, "Fail to update user")
return err
}