feat(db): enable sqlite for storing users

This commit is contained in:
hexxa 2022-08-31 22:30:24 +08:00 committed by Hexxa
parent f95a611204
commit 59a39efc4a
10 changed files with 791 additions and 59 deletions

418
src/db/rdb/sqlite/users.go Normal file
View file

@ -0,0 +1,418 @@
package sqlite
import (
"context"
"database/sql"
"encoding/json"
"errors"
// "errors"
"fmt"
// "sync"
// "time"
"github.com/ihexxa/quickshare/src/db"
"github.com/ihexxa/quickshare/src/db/rdb"
// "github.com/ihexxa/quickshare/src/kvstore"
)
// TODO: use sync.Pool instead
const (
VisitorID = uint64(1)
VisitorName = "visitor"
)
var (
ErrReachedLimit = errors.New("reached space limit")
ErrUserNotFound = errors.New("user not found")
ErrNegtiveUsedSpace = errors.New("used space can not be negative")
)
type SQLiteUsers struct {
db rdb.IDB
}
func NewSQLiteUsers(db rdb.IDB) (*SQLiteUsers, error) {
return &SQLiteUsers{db: db}, nil
}
func (u *SQLiteUsers) Init(ctx context.Context, rootName, rootPwd string) error {
_, err := u.db.ExecContext(
ctx,
`create table if not exists t_user (
id bigint not null,
name varchar not null,
pwd varchar not null,
role integer not null,
used_space bigint not null,
quota varchar not null,
preference varchar not null,
primary key(id)
)`,
)
if err != nil {
return err
}
admin := &db.User{
ID: 0,
Name: rootName,
Pwd: rootPwd,
Role: db.AdminRole,
Quota: &db.Quota{
SpaceLimit: db.DefaultSpaceLimit,
UploadSpeedLimit: db.DefaultUploadSpeedLimit,
DownloadSpeedLimit: db.DefaultDownloadSpeedLimit,
},
Preferences: &db.DefaultPreferences,
}
visitor := &db.User{
ID: VisitorID,
Name: VisitorName,
Pwd: rootPwd,
Role: db.VisitorRole,
Quota: &db.Quota{
SpaceLimit: 0,
UploadSpeedLimit: db.VisitorUploadSpeedLimit,
DownloadSpeedLimit: db.VisitorDownloadSpeedLimit,
},
Preferences: &db.DefaultPreferences,
}
for _, user := range []*db.User{admin, visitor} {
err = u.AddUser(ctx, user)
if err != nil {
return err
}
}
return nil
}
func (u *SQLiteUsers) IsInited() bool {
// always try to init the db
return false
}
// t_users
// id, name, pwd, role, used_space, config
func (u *SQLiteUsers) setUser(ctx context.Context, tx *sql.Tx, user *db.User) error {
var err error
if err = db.CheckUser(user, false); err != nil {
return err
}
quotaStr, err := json.Marshal(user.Quota)
if err != nil {
return err
}
preferencesStr, err := json.Marshal(user.Preferences)
if err != nil {
return err
}
_, err = tx.ExecContext(
ctx,
`update t_user
set name=?, pwd=?, role=?, used_space=?, quota=?, preference=?
where id=?`,
user.Name,
user.Pwd,
user.Role,
user.UsedSpace,
quotaStr,
preferencesStr,
)
return err
}
func (u *SQLiteUsers) getUser(ctx context.Context, tx *sql.Tx, id uint64) (*db.User, error) {
var err error
user := &db.User{}
var quotaStr, preferenceStr string
err = tx.QueryRowContext(
ctx,
`select id, name, pwd, role, used_space, quota, preference
from t_user
where id=?`,
id,
).Scan(
&user.ID,
&user.Name,
&user.Pwd,
&user.Role,
&user.UsedSpace,
&quotaStr,
&preferenceStr,
)
if err != nil {
if errors.Is(err, sql.ErrNoRows) {
return nil, ErrUserNotFound
}
return nil, err
}
err = json.Unmarshal([]byte(quotaStr), &user.Quota)
if err != nil {
return nil, err
}
err = json.Unmarshal([]byte(preferenceStr), &user.Preferences)
if err != nil {
return nil, err
}
return user, nil
}
func (u *SQLiteUsers) AddUser(ctx context.Context, user *db.User) error {
quotaStr, err := json.Marshal(user.Quota)
if err != nil {
return err
}
preferenceStr, err := json.Marshal(user.Preferences)
if err != nil {
return err
}
_, err = u.db.ExecContext(
ctx,
`insert into t_user (id, name, pwd, role, used_space, quota, preference) values (?, ?, ?, ?, ?, ?, ?)`,
user.ID,
user.Name,
user.Pwd,
user.Role,
user.UsedSpace,
quotaStr,
preferenceStr,
)
return err
}
func (u *SQLiteUsers) DelUser(ctx context.Context, id uint64) error {
_, err := u.db.ExecContext(
ctx,
`delete from t_user where id=?`,
id,
)
return err
}
func (u *SQLiteUsers) GetUser(ctx context.Context, id uint64) (*db.User, error) {
tx, err := u.db.BeginTx(ctx, &sql.TxOptions{})
if err != nil {
return nil, err
}
user, err := u.getUser(ctx, tx, id)
if err != nil {
return nil, err
}
err = tx.Commit()
if err != nil {
return nil, err
}
return user, err
}
func (u *SQLiteUsers) GetUserByName(ctx context.Context, name string) (*db.User, error) {
user := &db.User{}
var quotaStr, preferenceStr string
err := u.db.QueryRowContext(
ctx,
`select id, name, role, used_space, quota, preference
from t_user
where name=?`,
name,
).Scan(
&user.ID,
&user.Name,
&user.Role,
&user.UsedSpace,
&quotaStr,
&preferenceStr,
)
if err != nil {
if errors.Is(err, sql.ErrNoRows) {
return nil, ErrUserNotFound
}
return nil, err
}
err = json.Unmarshal([]byte(quotaStr), &user.Quota)
if err != nil {
return nil, err
}
err = json.Unmarshal([]byte(preferenceStr), &user.Preferences)
if err != nil {
return nil, err
}
return user, nil
}
func (u *SQLiteUsers) SetPwd(ctx context.Context, id uint64, pwd string) error {
_, err := u.db.ExecContext(
ctx,
`update t_user
set pwd=?
where id=?`,
pwd,
id,
)
return err
}
// role + quota
func (u *SQLiteUsers) SetInfo(ctx context.Context, id uint64, user *db.User) error {
quotaStr, err := json.Marshal(user.Quota)
if err != nil {
return err
}
_, err = u.db.ExecContext(
ctx,
`update t_user
set role=?, quota=?
where id=?`,
user.Role, quotaStr,
id,
)
return err
}
func (u *SQLiteUsers) SetPreferences(ctx context.Context, id uint64, prefers *db.Preferences) error {
preferenceStr, err := json.Marshal(prefers)
if err != nil {
return err
}
_, err = u.db.ExecContext(
ctx,
`update t_user
set preference=?
where id=?`,
preferenceStr,
id,
)
return err
}
func (u *SQLiteUsers) SetUsed(ctx context.Context, id uint64, incr bool, capacity int64) error {
tx, err := u.db.BeginTx(ctx, &sql.TxOptions{})
if err != nil {
return err
}
gotUser, err := u.getUser(ctx, tx, id)
if err != nil {
return err
}
if incr && gotUser.UsedSpace+capacity > int64(gotUser.Quota.SpaceLimit) {
return ErrReachedLimit
}
if incr {
gotUser.UsedSpace = gotUser.UsedSpace + capacity
} else {
if gotUser.UsedSpace-capacity < 0 {
return ErrNegtiveUsedSpace
}
gotUser.UsedSpace = gotUser.UsedSpace - capacity
}
_, err = tx.ExecContext(
ctx,
`update t_user
set used_space=?
where id=?`,
gotUser.UsedSpace,
gotUser.ID,
)
if err != nil {
return err
}
return tx.Commit()
}
func (u *SQLiteUsers) ResetUsed(ctx context.Context, id uint64, used int64) error {
_, err := u.db.ExecContext(
ctx,
`update t_user
set used_space=?
where id=?`,
used,
id,
)
return err
}
func (u *SQLiteUsers) ListUsers(ctx context.Context) ([]*db.User, error) {
// TODO: support pagination
rows, err := u.db.QueryContext(
ctx,
`select id, name, role, used_space, quota, preference
from t_user`,
)
if err != nil {
if errors.Is(err, sql.ErrNoRows) {
return nil, ErrUserNotFound
}
return nil, err
}
defer rows.Close() // TODO: check error
users := []*db.User{}
for rows.Next() {
user := &db.User{}
var quotaStr, preferenceStr string
err = rows.Scan(
&user.ID,
&user.Name,
&user.Role,
&user.UsedSpace,
&quotaStr,
&preferenceStr,
)
err = json.Unmarshal([]byte(quotaStr), &user.Quota)
if err != nil {
return nil, err
}
err = json.Unmarshal([]byte(preferenceStr), &user.Preferences)
if err != nil {
return nil, err
}
users = append(users, user)
}
if rows.Err() != nil {
return nil, rows.Err()
}
return users, nil
}
func (u *SQLiteUsers) ListUserIDs(ctx context.Context) (map[string]string, error) {
users, err := u.ListUsers(ctx)
if err != nil {
return nil, err
}
nameToId := map[string]string{}
for _, user := range users {
nameToId[user.Name] = fmt.Sprint(user.ID)
}
return nameToId, nil
}
func (u *SQLiteUsers) AddRole(role string) error {
// TODO: implement this after adding grant/revoke
panic("not implemented")
}
func (u *SQLiteUsers) DelRole(role string) error {
// TODO: implement this after adding grant/revoke
panic("not implemented")
}
func (u *SQLiteUsers) ListRoles() (map[string]bool, error) {
// TODO: implement this after adding grant/revoke
panic("not implemented")
}