first version

dataprovider/pgsql.go

@@ -0,0 +1,88 @@
+package dataprovider
+
+import (
+	"database/sql"
+	"fmt"
+	"runtime"
+
+	"github.com/drakkan/sftpgo/logger"
+)
+
+// PGSQLProvider auth provider for PostgreSQL database
+type PGSQLProvider struct {
+}
+
+func initializePGSQLProvider() error {
+	var err error
+	var connectionString string
+	if len(config.ConnectionString) == 0 {
+		connectionString = fmt.Sprintf("host='%v' port=%v dbname='%v' user='%v' password='%v' sslmode=%v connect_timeout=10",
+			config.Host, config.Port, config.Name, config.Username, config.Password, getSSLMode())
+	} else {
+		connectionString = config.ConnectionString
+	}
+	dbHandle, err = sql.Open("postgres", connectionString)
+	if err == nil {
+		numCPU := runtime.NumCPU()
+		logger.Debug(logSender, "postgres database handle created, connection string: %v, connections: %v", connectionString, numCPU)
+		dbHandle.SetMaxIdleConns(numCPU)
+		dbHandle.SetMaxOpenConns(numCPU)
+	} else {
+		logger.Warn(logSender, "error creating postgres database handler, connection string: %v, error: %v", connectionString, err)
+	}
+	return err
+}
+
+func (p PGSQLProvider) validateUserAndPass(username string, password string) (User, error) {
+	return sqlCommonValidateUserAndPass(username, password)
+}
+
+func (p PGSQLProvider) validateUserAndPubKey(username string, publicKey string) (User, error) {
+	return sqlCommonValidateUserAndPubKey(username, publicKey)
+}
+
+func (p PGSQLProvider) getUserByID(ID int64) (User, error) {
+	return sqlCommonGetUserByID(ID)
+}
+
+func (p PGSQLProvider) updateQuota(username string, filesAdd int, sizeAdd int64, reset bool) error {
+	tx, err := dbHandle.Begin()
+	if err != nil {
+		logger.Warn(logSender, "error starting transaction to update quota for user %v: %v", username, err)
+		return err
+	}
+	err = sqlCommonUpdateQuota(username, filesAdd, sizeAdd, reset, p)
+	if err == nil {
+		err = tx.Commit()
+	} else {
+		err = tx.Rollback()
+	}
+	if err != nil {
+		logger.Warn(logSender, "error closing transaction to update quota for user %v: %v", username, err)
+	}
+	return err
+}
+
+func (p PGSQLProvider) getUsedQuota(username string) (int, int64, error) {
+	return sqlCommonGetUsedQuota(username)
+}
+
+func (p PGSQLProvider) userExists(username string) (User, error) {
+	return sqlCommonCheckUserExists(username)
+}
+
+func (p PGSQLProvider) addUser(user User) error {
+	return sqlCommonAddUser(user)
+}
+
+func (p PGSQLProvider) updateUser(user User) error {
+	return sqlCommonUpdateUser(user)
+}
+
+func (p PGSQLProvider) deleteUser(user User) error {
+	return sqlCommonDeleteUser(user)
+}
+
+func (p PGSQLProvider) getUsers(limit int, offset int, order string, username string) ([]User, error) {
+	return sqlCommonGetUsers(limit, offset, order, username)
+}