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Make bcrypt cost configurable (#1793)

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Kegsay 2021-03-08 13:19:02 +00:00 • committed by GitHub
parent c3ad2cca49
commit 850abb1dde
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GPG key ID: 4AEE18F83AFDEB23
11 changed files with 39 additions and 18 deletions
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12
userapi/storage/accounts/postgres/storage.go
View file

@ -44,10 +44,11 @@ type Database struct {
accountDatas accountDataStatements
threepids threepidStatements
serverName gomatrixserverlib.ServerName
bcryptCost int
}
// NewDatabase creates a new accounts and profiles database
func NewDatabase(dbProperties *config.DatabaseOptions, serverName gomatrixserverlib.ServerName) (*Database, error) {
func NewDatabase(dbProperties *config.DatabaseOptions, serverName gomatrixserverlib.ServerName, bcryptCost int) (*Database, error) {
db, err := sqlutil.Open(dbProperties)
if err != nil {
return nil, err
@ -56,6 +57,7 @@ func NewDatabase(dbProperties *config.DatabaseOptions, serverName gomatrixserver
serverName: serverName,
db: db,
writer: sqlutil.NewDummyWriter(),
bcryptCost: bcryptCost,
}
// Create tables before executing migrations so we don't fail if the table is missing,
@ -131,7 +133,7 @@ func (d *Database) SetDisplayName(
func (d *Database) SetPassword(
ctx context.Context, localpart, plaintextPassword string,
) error {
hash, err := hashPassword(plaintextPassword)
hash, err := d.hashPassword(plaintextPassword)
if err != nil {
return err
}
@ -175,7 +177,7 @@ func (d *Database) createAccount(
// Generate a password hash if this is not a password-less user
hash := ""
if plaintextPassword != "" {
hash, err = hashPassword(plaintextPassword)
hash, err = d.hashPassword(plaintextPassword)
if err != nil {
return nil, err
}
@ -246,8 +248,8 @@ func (d *Database) GetNewNumericLocalpart(
return d.accounts.selectNewNumericLocalpart(ctx, nil)
}
func hashPassword(plaintext string) (hash string, err error) {
hashBytes, err := bcrypt.GenerateFromPassword([]byte(plaintext), bcrypt.DefaultCost)
func (d *Database) hashPassword(plaintext string) (hash string, err error) {
hashBytes, err := bcrypt.GenerateFromPassword([]byte(plaintext), d.bcryptCost)
return string(hashBytes), err
}

12
userapi/storage/accounts/sqlite3/storage.go
View file

@ -42,6 +42,7 @@ type Database struct {
accountDatas accountDataStatements
threepids threepidStatements
serverName gomatrixserverlib.ServerName
bcryptCost int
accountsMu sync.Mutex
profilesMu sync.Mutex
@ -50,7 +51,7 @@ type Database struct {
}
// NewDatabase creates a new accounts and profiles database
func NewDatabase(dbProperties *config.DatabaseOptions, serverName gomatrixserverlib.ServerName) (*Database, error) {
func NewDatabase(dbProperties *config.DatabaseOptions, serverName gomatrixserverlib.ServerName, bcryptCost int) (*Database, error) {
db, err := sqlutil.Open(dbProperties)
if err != nil {
return nil, err
@ -59,6 +60,7 @@ func NewDatabase(dbProperties *config.DatabaseOptions, serverName gomatrixserver
serverName: serverName,
db: db,
writer: sqlutil.NewExclusiveWriter(),
bcryptCost: bcryptCost,
}
// Create tables before executing migrations so we don't fail if the table is missing,
@ -143,7 +145,7 @@ func (d *Database) SetDisplayName(
func (d *Database) SetPassword(
ctx context.Context, localpart, plaintextPassword string,
) error {
hash, err := hashPassword(plaintextPassword)
hash, err := d.hashPassword(plaintextPassword)
if err != nil {
return err
}
@ -208,7 +210,7 @@ func (d *Database) createAccount(
// Generate a password hash if this is not a password-less user
hash := ""
if plaintextPassword != "" {
hash, err = hashPassword(plaintextPassword)
hash, err = d.hashPassword(plaintextPassword)
if err != nil {
return nil, err
}
@ -278,8 +280,8 @@ func (d *Database) GetNewNumericLocalpart(
return d.accounts.selectNewNumericLocalpart(ctx, nil)
}
func hashPassword(plaintext string) (hash string, err error) {
hashBytes, err := bcrypt.GenerateFromPassword([]byte(plaintext), bcrypt.DefaultCost)
func (d *Database) hashPassword(plaintext string) (hash string, err error) {
hashBytes, err := bcrypt.GenerateFromPassword([]byte(plaintext), d.bcryptCost)
return string(hashBytes), err
}

6
userapi/storage/accounts/storage.go
View file

@ -27,12 +27,12 @@ import (
// NewDatabase opens a new Postgres or Sqlite database (based on dataSourceName scheme)
// and sets postgres connection parameters
func NewDatabase(dbProperties *config.DatabaseOptions, serverName gomatrixserverlib.ServerName) (Database, error) {
func NewDatabase(dbProperties *config.DatabaseOptions, serverName gomatrixserverlib.ServerName, bcryptCost int) (Database, error) {
switch {
case dbProperties.ConnectionString.IsSQLite():
return sqlite3.NewDatabase(dbProperties, serverName)
return sqlite3.NewDatabase(dbProperties, serverName, bcryptCost)
case dbProperties.ConnectionString.IsPostgres():
return postgres.NewDatabase(dbProperties, serverName)
return postgres.NewDatabase(dbProperties, serverName, bcryptCost)
default:
return nil, fmt.Errorf("unexpected database type")
}

3
userapi/storage/accounts/storage_wasm.go
View file

@ -25,10 +25,11 @@ import (
func NewDatabase(
dbProperties *config.DatabaseOptions,
serverName gomatrixserverlib.ServerName,
bcryptCost int,
) (Database, error) {
switch {
case dbProperties.ConnectionString.IsSQLite():
return sqlite3.NewDatabase(dbProperties, serverName)
return sqlite3.NewDatabase(dbProperties, serverName, bcryptCost)
case dbProperties.ConnectionString.IsPostgres():
return nil, fmt.Errorf("can't use Postgres implementation")
default: