first version

dataprovider/sqlite.go

@@ -0,0 +1,86 @@
+package dataprovider
+
+import (
+	"database/sql"
+	"errors"
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"github.com/drakkan/sftpgo/logger"
+)
+
+// SQLiteProvider auth provider for sqlite database
+type SQLiteProvider struct {
+}
+
+func initializeSQLiteProvider(basePath string) error {
+	var err error
+	var connectionString string
+	if len(config.ConnectionString) == 0 {
+		dbPath := filepath.Join(basePath, config.Name)
+		fi, err := os.Stat(dbPath)
+		if err != nil {
+			logger.Warn(logSender, "sqlite database file does not exists, please be sure to create and inizialiaze"+
+				" a database before starting sftpgo")
+			return err
+		}
+		if fi.Size() == 0 {
+			return errors.New("sqlite database file is invalid, please be sure to create and inizialiaze" +
+				" a database before starting sftpgo")
+		}
+		connectionString = fmt.Sprintf("file:%v?cache=shared", dbPath)
+	} else {
+		connectionString = config.ConnectionString
+	}
+	dbHandle, err = sql.Open("sqlite3", connectionString)
+	if err == nil {
+		logger.Debug(logSender, "sqlite database handle created, connection string: %v", connectionString)
+		dbHandle.SetMaxOpenConns(1)
+	} else {
+		logger.Warn(logSender, "error creating sqlite database handler, connection string: %v, error: %v", connectionString, err)
+	}
+	return err
+}
+
+func (p SQLiteProvider) validateUserAndPass(username string, password string) (User, error) {
+	return sqlCommonValidateUserAndPass(username, password)
+}
+
+func (p SQLiteProvider) validateUserAndPubKey(username string, publicKey string) (User, error) {
+	return sqlCommonValidateUserAndPubKey(username, publicKey)
+}
+
+func (p SQLiteProvider) getUserByID(ID int64) (User, error) {
+	return sqlCommonGetUserByID(ID)
+}
+
+func (p SQLiteProvider) updateQuota(username string, filesAdd int, sizeAdd int64, reset bool) error {
+	// we keep only 1 open connection (SetMaxOpenConns(1)) so a transaction is not needed and it could block
+	// the database access since it will try to open a new connection
+	return sqlCommonUpdateQuota(username, filesAdd, sizeAdd, reset, p)
+}
+
+func (p SQLiteProvider) getUsedQuota(username string) (int, int64, error) {
+	return sqlCommonGetUsedQuota(username)
+}
+
+func (p SQLiteProvider) userExists(username string) (User, error) {
+	return sqlCommonCheckUserExists(username)
+}
+
+func (p SQLiteProvider) addUser(user User) error {
+	return sqlCommonAddUser(user)
+}
+
+func (p SQLiteProvider) updateUser(user User) error {
+	return sqlCommonUpdateUser(user)
+}
+
+func (p SQLiteProvider) deleteUser(user User) error {
+	return sqlCommonDeleteUser(user)
+}
+
+func (p SQLiteProvider) getUsers(limit int, offset int, order string, username string) ([]User, error) {
+	return sqlCommonGetUsers(limit, offset, order, username)
+}