96 lines
2.4 KiB
Go
96 lines
2.4 KiB
Go
package nosql
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"time"
|
|
|
|
"github.com/pkg/errors"
|
|
nosqlDB "github.com/smallstep/nosql"
|
|
"go.step.sm/crypto/randutil"
|
|
)
|
|
|
|
var (
|
|
accountTable = []byte("acme_accounts")
|
|
accountByKeyIDTable = []byte("acme_keyID_accountID_index")
|
|
authzTable = []byte("acme_authzs")
|
|
challengeTable = []byte("acme_challenges")
|
|
nonceTable = []byte("nonces")
|
|
orderTable = []byte("acme_orders")
|
|
ordersByAccountIDTable = []byte("acme_account_orders_index")
|
|
certTable = []byte("acme_certs")
|
|
)
|
|
|
|
// DB is a struct that implements the AcmeDB interface.
|
|
type DB struct {
|
|
db nosqlDB.DB
|
|
}
|
|
|
|
// New configures and returns a new ACME DB backend implemented using a nosql DB.
|
|
func New(db nosqlDB.DB) (*DB, error) {
|
|
tables := [][]byte{accountTable, accountByKeyIDTable, authzTable,
|
|
challengeTable, nonceTable, orderTable, ordersByAccountIDTable, certTable}
|
|
for _, b := range tables {
|
|
if err := db.CreateTable(b); err != nil {
|
|
return nil, errors.Wrapf(err, "error creating table %s",
|
|
string(b))
|
|
}
|
|
}
|
|
return &DB{db}, nil
|
|
}
|
|
|
|
// save writes the new data to the database, overwriting the old data if it
|
|
// existed.
|
|
func (db *DB) save(ctx context.Context, id string, nu interface{}, old interface{}, typ string, table []byte) error {
|
|
var (
|
|
err error
|
|
newB []byte
|
|
)
|
|
if nu == nil {
|
|
newB = nil
|
|
} else {
|
|
newB, err = json.Marshal(nu)
|
|
if err != nil {
|
|
return errors.Wrapf(err, "error marshaling acme type: %s, value: %v", typ, nu)
|
|
}
|
|
}
|
|
var oldB []byte
|
|
if old == nil {
|
|
oldB = nil
|
|
} else {
|
|
oldB, err = json.Marshal(old)
|
|
if err != nil {
|
|
return errors.Wrapf(err, "error marshaling acme type: %s, value: %v", typ, old)
|
|
}
|
|
}
|
|
|
|
_, swapped, err := db.db.CmpAndSwap(table, []byte(id), oldB, newB)
|
|
switch {
|
|
case err != nil:
|
|
return errors.Wrapf(err, "error saving acme %s", typ)
|
|
case !swapped:
|
|
return errors.Errorf("error saving acme %s; changed since last read", typ)
|
|
default:
|
|
return nil
|
|
}
|
|
}
|
|
|
|
var idLen = 32
|
|
|
|
func randID() (val string, err error) {
|
|
val, err = randutil.Alphanumeric(idLen)
|
|
if err != nil {
|
|
return "", errors.Wrap(err, "error generating random alphanumeric ID")
|
|
}
|
|
return val, nil
|
|
}
|
|
|
|
// Clock that returns time in UTC rounded to seconds.
|
|
type Clock struct{}
|
|
|
|
// Now returns the UTC time rounded to seconds.
|
|
func (c *Clock) Now() time.Time {
|
|
return time.Now().UTC().Truncate(time.Second)
|
|
}
|
|
|
|
var clock = new(Clock)
|