auth/internal/token/repository/bolt/bolt_token.go

144 lines
3.4 KiB
Go

package bolt
import (
"context"
"strings"
json "github.com/goccy/go-json"
"github.com/pkg/errors"
bolt "go.etcd.io/bbolt"
"golang.org/x/xerrors"
"source.toby3d.me/website/oauth/internal/model"
"source.toby3d.me/website/oauth/internal/token"
)
type (
Token struct {
AccessToken string `json:"accessToken"`
ClientID string `json:"clientId"`
Me string `json:"me"`
Scope string `json:"scope"`
Type string `json:"type"`
}
boltTokenRepository struct {
db *bolt.DB
}
)
var ErrNotExist error = xerrors.New("key not exist")
func NewBoltTokenRepository(db *bolt.DB) (token.Repository, error) {
if err := db.Update(func(tx *bolt.Tx) error {
//nolint: exhaustivestruct
_, err := tx.CreateBucketIfNotExists(Token{}.Bucket())
return errors.Wrap(err, "failed to create a bucket")
}); err != nil {
return nil, errors.Wrap(err, "failed to update the storage structure")
}
return &boltTokenRepository{
db: db,
}, nil
}
func (repo *boltTokenRepository) Get(ctx context.Context, accessToken string) (*model.Token, error) {
result := model.NewToken()
if err := repo.db.View(func(tx *bolt.Tx) error {
//nolint: exhaustivestruct
if src := tx.Bucket(Token{}.Bucket()).Get([]byte(accessToken)); src != nil {
return NewToken().Bind(src, result)
}
return ErrNotExist
}); err != nil {
if !xerrors.Is(err, ErrNotExist) {
return nil, errors.Wrap(err, "failed to retrieve token from storage")
}
return nil, nil
}
return result, nil
}
func (repo *boltTokenRepository) Create(ctx context.Context, accessToken *model.Token) error {
t, err := repo.Get(ctx, accessToken.AccessToken)
if err != nil {
return errors.Wrap(err, "failed to verify the existence of the token")
}
if t != nil {
return token.ErrExist
}
return repo.Update(ctx, accessToken)
}
func (repo *boltTokenRepository) Update(ctx context.Context, accessToken *model.Token) error {
dto := NewToken()
dto.Populate(accessToken)
src, err := json.Marshal(dto)
if err != nil {
return errors.Wrap(err, "failed to marshal token")
}
if err = repo.db.Update(func(tx *bolt.Tx) error {
if err := tx.Bucket(dto.Bucket()).Put([]byte(dto.AccessToken), src); err != nil {
return errors.Wrap(err, "failed to overwrite the token in the bucket")
}
return nil
}); err != nil {
return errors.Wrap(err, "failed to update the token in the repository")
}
return nil
}
func (repo *boltTokenRepository) Remove(ctx context.Context, accessToken string) error {
if err := repo.db.Update(func(tx *bolt.Tx) error {
//nolint: exhaustivestruct
if err := tx.Bucket(Token{}.Bucket()).Delete([]byte(accessToken)); err != nil {
return errors.Wrap(err, "failed to remove token in bucket")
}
return nil
}); err != nil {
return errors.Wrap(err, "failed to remove token from storage")
}
return nil
}
func NewToken() *Token {
return new(Token)
}
func (Token) Bucket() []byte { return []byte("tokens") }
func (t *Token) Populate(src *model.Token) {
t.AccessToken = src.AccessToken
t.ClientID = string(src.ClientID)
t.Me = string(src.Me)
t.Scope = strings.Join(src.Scopes, " ")
t.Type = src.Type
}
func (t *Token) Bind(src []byte, dst *model.Token) error {
if err := json.Unmarshal(src, t); err != nil {
return errors.Wrap(err, "cannot unmarshal token source")
}
dst.AccessToken = t.AccessToken
dst.Scopes = strings.Fields(t.Scope)
dst.Type = t.Type
dst.ClientID = model.URL(t.ClientID)
dst.Me = model.URL(t.Me)
return nil
}