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token.go
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token.go
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package boltdb
import (
"fmt"
"log"
"github.com/madappgang/identifo/v2/model"
bolt "go.etcd.io/bbolt"
)
const (
// TokenBucket is a name for bucket with tokens.
TokenBucket = "Tokens"
)
// NewTokenStorage creates a BoltDB token storage.
func NewTokenStorage(settings model.BoltDBDatabaseSettings) (model.TokenStorage, error) {
if len(settings.Path) == 0 {
return nil, ErrorEmptyDatabasePath
}
// init database
db, err := InitDB(settings.Path)
if err != nil {
return nil, err
}
ts := &TokenStorage{db: db}
// Ensure that we have needed bucket in the database.
if err := db.Update(func(tx *bolt.Tx) error {
if _, err := tx.CreateBucketIfNotExists([]byte(TokenBucket)); err != nil {
return fmt.Errorf("create bucket: %s", err)
}
return nil
}); err != nil {
return nil, err
}
return ts, nil
}
// TokenStorage is a BoltDB token storage.
type TokenStorage struct {
db *bolt.DB
}
// SaveToken saves token in the storage.
func (ts *TokenStorage) SaveToken(token string) error {
return ts.db.Update(func(tx *bolt.Tx) error {
b := tx.Bucket([]byte(TokenBucket))
// We use token as key and value.
return b.Put([]byte(token), []byte(token))
})
}
// HasToken returns true if the token is present in the storage.
func (ts *TokenStorage) HasToken(token string) bool {
var res bool
if err := ts.db.View(func(tx *bolt.Tx) error {
b := tx.Bucket([]byte(TokenBucket))
// We use token as key and value.
res = b.Get([]byte(token)) != nil
return nil
}); err != nil {
return false
}
return res
}
// DeleteToken removes token from the storage.
func (ts *TokenStorage) DeleteToken(token string) error {
return ts.db.Update(func(tx *bolt.Tx) error {
b := tx.Bucket([]byte(TokenBucket))
// We use token as key and value.
return b.Delete([]byte(token))
})
}
// Close closes underlying database.
func (ts *TokenStorage) Close() {
if err := CloseDB(ts.db); err != nil {
log.Printf("Error closing token storage: %s\n", err)
}
}