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ergo/irc/database.go

56 lines
1.2 KiB
Go

// Copyright (c) 2012-2014 Jeremy Latt
// released under the MIT license
package irc
import (
"encoding/base64"
"fmt"
"log"
"os"
"github.com/tidwall/buntdb"
)
const (
// 'version' of the database schema
keySchemaVersion = "db.version"
// key for the primary salt used by the ircd
keySalt = "crypto.salt"
)
// InitDB creates the database.
func InitDB(path string) {
// prepare kvstore db
//TODO(dan): fail if already exists instead? don't want to overwrite good data
os.Remove(path)
store, err := buntdb.Open(path)
if err != nil {
log.Fatal(fmt.Sprintf("Failed to open datastore: %s", err.Error()))
}
defer store.Close()
err = store.Update(func(tx *buntdb.Tx) error {
// set base db salt
salt, err := NewSalt()
encodedSalt := base64.StdEncoding.EncodeToString(salt)
if err != nil {
log.Fatal("Could not generate cryptographically-secure salt for the user:", err.Error())
}
tx.Set(keySalt, encodedSalt, nil)
// set schema version
tx.Set(keySchemaVersion, "1", nil)
return nil
})
if err != nil {
log.Fatal("Could not save bunt store:", err.Error())
}
}
// UpgradeDB upgrades the datastore to the latest schema.
func UpgradeDB(path string) {
return
}