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337 lines
12 KiB
Go
337 lines
12 KiB
Go
// +build !nomysql
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package dataprovider
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import (
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"context"
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"database/sql"
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"fmt"
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"strings"
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"time"
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// we import go-sql-driver/mysql here to be able to disable MySQL support using a build tag
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_ "github.com/go-sql-driver/mysql"
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"github.com/drakkan/sftpgo/logger"
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"github.com/drakkan/sftpgo/version"
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"github.com/drakkan/sftpgo/vfs"
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)
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const (
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mysqlUsersTableSQL = "CREATE TABLE `{{users}}` (`id` integer AUTO_INCREMENT NOT NULL PRIMARY KEY, " +
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"`username` varchar(255) NOT NULL UNIQUE, `password` varchar(255) NULL, `public_keys` longtext NULL, " +
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"`home_dir` varchar(255) NOT NULL, `uid` integer NOT NULL, `gid` integer NOT NULL, `max_sessions` integer NOT NULL, " +
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" `quota_size` bigint NOT NULL, `quota_files` integer NOT NULL, `permissions` longtext NOT NULL, " +
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"`used_quota_size` bigint NOT NULL, `used_quota_files` integer NOT NULL, `last_quota_update` bigint NOT NULL, " +
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"`upload_bandwidth` integer NOT NULL, `download_bandwidth` integer NOT NULL, `expiration_date` bigint(20) NOT NULL, " +
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"`last_login` bigint(20) NOT NULL, `status` int(11) NOT NULL, `filters` longtext DEFAULT NULL, " +
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"`filesystem` longtext DEFAULT NULL);"
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mysqlSchemaTableSQL = "CREATE TABLE `{{schema_version}}` (`id` integer AUTO_INCREMENT NOT NULL PRIMARY KEY, `version` integer NOT NULL);"
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mysqlV2SQL = "ALTER TABLE `{{users}}` ADD COLUMN `virtual_folders` longtext NULL;"
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mysqlV3SQL = "ALTER TABLE `{{users}}` MODIFY `password` longtext NULL;"
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mysqlV4SQL = "CREATE TABLE `{{folders}}` (`id` integer AUTO_INCREMENT NOT NULL PRIMARY KEY, `path` varchar(512) NOT NULL UNIQUE," +
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"`used_quota_size` bigint NOT NULL, `used_quota_files` integer NOT NULL, `last_quota_update` bigint NOT NULL);" +
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"ALTER TABLE `{{users}}` MODIFY `home_dir` varchar(512) NOT NULL;" +
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"ALTER TABLE `{{users}}` DROP COLUMN `virtual_folders`;" +
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"CREATE TABLE `{{folders_mapping}}` (`id` integer AUTO_INCREMENT NOT NULL PRIMARY KEY, `virtual_path` varchar(512) NOT NULL, " +
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"`quota_size` bigint NOT NULL, `quota_files` integer NOT NULL, `folder_id` integer NOT NULL, `user_id` integer NOT NULL);" +
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"ALTER TABLE `{{folders_mapping}}` ADD CONSTRAINT `unique_mapping` UNIQUE (`user_id`, `folder_id`);" +
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"ALTER TABLE `{{folders_mapping}}` ADD CONSTRAINT `folders_mapping_folder_id_fk_folders_id` FOREIGN KEY (`folder_id`) REFERENCES `{{folders}}` (`id`) ON DELETE CASCADE;" +
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"ALTER TABLE `{{folders_mapping}}` ADD CONSTRAINT `folders_mapping_user_id_fk_users_id` FOREIGN KEY (`user_id`) REFERENCES `{{users}}` (`id`) ON DELETE CASCADE;"
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mysqlV6SQL = "ALTER TABLE `{{users}}` ADD COLUMN `additional_info` longtext NULL;"
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mysqlV6DownSQL = "ALTER TABLE `{{users}}` DROP COLUMN `additional_info`;"
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)
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// MySQLProvider auth provider for MySQL/MariaDB database
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type MySQLProvider struct {
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dbHandle *sql.DB
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}
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func init() {
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version.AddFeature("+mysql")
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}
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func initializeMySQLProvider() error {
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var err error
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logSender = fmt.Sprintf("dataprovider_%v", MySQLDataProviderName)
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dbHandle, err := sql.Open("mysql", getMySQLConnectionString(false))
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if err == nil {
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providerLog(logger.LevelDebug, "mysql database handle created, connection string: %#v, pool size: %v",
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getMySQLConnectionString(true), config.PoolSize)
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dbHandle.SetMaxOpenConns(config.PoolSize)
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if config.PoolSize > 0 {
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dbHandle.SetMaxIdleConns(config.PoolSize)
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} else {
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dbHandle.SetMaxIdleConns(2)
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}
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dbHandle.SetConnMaxLifetime(240 * time.Second)
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provider = MySQLProvider{dbHandle: dbHandle}
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} else {
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providerLog(logger.LevelWarn, "error creating mysql database handler, connection string: %#v, error: %v",
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getMySQLConnectionString(true), err)
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}
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return err
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}
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func getMySQLConnectionString(redactedPwd bool) string {
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var connectionString string
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if len(config.ConnectionString) == 0 {
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password := config.Password
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if redactedPwd {
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password = "[redacted]"
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}
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connectionString = fmt.Sprintf("%v:%v@tcp([%v]:%v)/%v?charset=utf8&interpolateParams=true&timeout=10s&tls=%v&writeTimeout=10s&readTimeout=10s",
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config.Username, password, config.Host, config.Port, config.Name, getSSLMode())
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} else {
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connectionString = config.ConnectionString
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}
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return connectionString
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}
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func (p MySQLProvider) checkAvailability() error {
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return sqlCommonCheckAvailability(p.dbHandle)
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}
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func (p MySQLProvider) validateUserAndPass(username, password, ip, protocol string) (User, error) {
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return sqlCommonValidateUserAndPass(username, password, ip, protocol, p.dbHandle)
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}
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func (p MySQLProvider) validateUserAndPubKey(username string, publicKey []byte) (User, string, error) {
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return sqlCommonValidateUserAndPubKey(username, publicKey, p.dbHandle)
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}
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func (p MySQLProvider) getUserByID(ID int64) (User, error) {
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return sqlCommonGetUserByID(ID, p.dbHandle)
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}
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func (p MySQLProvider) updateQuota(username string, filesAdd int, sizeAdd int64, reset bool) error {
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return sqlCommonUpdateQuota(username, filesAdd, sizeAdd, reset, p.dbHandle)
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}
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func (p MySQLProvider) getUsedQuota(username string) (int, int64, error) {
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return sqlCommonGetUsedQuota(username, p.dbHandle)
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}
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func (p MySQLProvider) updateLastLogin(username string) error {
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return sqlCommonUpdateLastLogin(username, p.dbHandle)
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}
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func (p MySQLProvider) userExists(username string) (User, error) {
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return sqlCommonCheckUserExists(username, p.dbHandle)
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}
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func (p MySQLProvider) addUser(user User) error {
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return sqlCommonAddUser(user, p.dbHandle)
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}
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func (p MySQLProvider) updateUser(user User) error {
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return sqlCommonUpdateUser(user, p.dbHandle)
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}
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func (p MySQLProvider) deleteUser(user User) error {
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return sqlCommonDeleteUser(user, p.dbHandle)
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}
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func (p MySQLProvider) dumpUsers() ([]User, error) {
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return sqlCommonDumpUsers(p.dbHandle)
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}
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func (p MySQLProvider) getUsers(limit int, offset int, order string, username string) ([]User, error) {
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return sqlCommonGetUsers(limit, offset, order, username, p.dbHandle)
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}
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func (p MySQLProvider) dumpFolders() ([]vfs.BaseVirtualFolder, error) {
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return sqlCommonDumpFolders(p.dbHandle)
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}
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func (p MySQLProvider) getFolders(limit, offset int, order, folderPath string) ([]vfs.BaseVirtualFolder, error) {
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return sqlCommonGetFolders(limit, offset, order, folderPath, p.dbHandle)
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}
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func (p MySQLProvider) getFolderByPath(mappedPath string) (vfs.BaseVirtualFolder, error) {
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ctx, cancel := context.WithTimeout(context.Background(), defaultSQLQueryTimeout)
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defer cancel()
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return sqlCommonCheckFolderExists(ctx, mappedPath, p.dbHandle)
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}
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func (p MySQLProvider) addFolder(folder vfs.BaseVirtualFolder) error {
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return sqlCommonAddFolder(folder, p.dbHandle)
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}
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func (p MySQLProvider) deleteFolder(folder vfs.BaseVirtualFolder) error {
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return sqlCommonDeleteFolder(folder, p.dbHandle)
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}
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func (p MySQLProvider) updateFolderQuota(mappedPath string, filesAdd int, sizeAdd int64, reset bool) error {
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return sqlCommonUpdateFolderQuota(mappedPath, filesAdd, sizeAdd, reset, p.dbHandle)
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}
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func (p MySQLProvider) getUsedFolderQuota(mappedPath string) (int, int64, error) {
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return sqlCommonGetFolderUsedQuota(mappedPath, p.dbHandle)
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}
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func (p MySQLProvider) close() error {
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return p.dbHandle.Close()
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}
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func (p MySQLProvider) reloadConfig() error {
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return nil
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}
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// initializeDatabase creates the initial database structure
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func (p MySQLProvider) initializeDatabase() error {
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dbVersion, err := sqlCommonGetDatabaseVersion(p.dbHandle, false)
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if err == nil && dbVersion.Version > 0 {
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return ErrNoInitRequired
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}
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sqlUsers := strings.Replace(mysqlUsersTableSQL, "{{users}}", sqlTableUsers, 1)
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tx, err := p.dbHandle.Begin()
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if err != nil {
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return err
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}
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_, err = tx.Exec(sqlUsers)
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if err != nil {
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sqlCommonRollbackTransaction(tx)
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return err
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}
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_, err = tx.Exec(strings.Replace(mysqlSchemaTableSQL, "{{schema_version}}", sqlTableSchemaVersion, 1))
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if err != nil {
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sqlCommonRollbackTransaction(tx)
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return err
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}
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_, err = tx.Exec(strings.Replace(initialDBVersionSQL, "{{schema_version}}", sqlTableSchemaVersion, 1))
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if err != nil {
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sqlCommonRollbackTransaction(tx)
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return err
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}
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return tx.Commit()
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}
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func (p MySQLProvider) migrateDatabase() error {
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dbVersion, err := sqlCommonGetDatabaseVersion(p.dbHandle, true)
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if err != nil {
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return err
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}
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if dbVersion.Version == sqlDatabaseVersion {
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providerLog(logger.LevelDebug, "sql database is up to date, current version: %v", dbVersion.Version)
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return ErrNoInitRequired
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}
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switch dbVersion.Version {
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case 1:
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return updateMySQLDatabaseFromV1(p.dbHandle)
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case 2:
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return updateMySQLDatabaseFromV2(p.dbHandle)
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case 3:
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return updateMySQLDatabaseFromV3(p.dbHandle)
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case 4:
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return updateMySQLDatabaseFromV4(p.dbHandle)
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case 5:
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return updateMySQLDatabaseFromV5(p.dbHandle)
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default:
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if dbVersion.Version > sqlDatabaseVersion {
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providerLog(logger.LevelWarn, "database version %v is newer than the supported: %v", dbVersion.Version,
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sqlDatabaseVersion)
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logger.WarnToConsole("database version %v is newer than the supported: %v", dbVersion.Version,
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sqlDatabaseVersion)
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return nil
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}
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return fmt.Errorf("Database version not handled: %v", dbVersion.Version)
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}
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}
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func (p MySQLProvider) revertDatabase(targetVersion int) error {
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dbVersion, err := sqlCommonGetDatabaseVersion(p.dbHandle, true)
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if err != nil {
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return err
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}
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if dbVersion.Version == targetVersion {
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return fmt.Errorf("current version match target version, nothing to do")
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}
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switch dbVersion.Version {
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case 6:
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err = downgradeMySQLDatabaseFrom6To5(p.dbHandle)
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if err != nil {
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return err
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}
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return downgradeMySQLDatabaseFrom5To4(p.dbHandle)
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case 5:
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return downgradeMySQLDatabaseFrom5To4(p.dbHandle)
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default:
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return fmt.Errorf("Database version not handled: %v", dbVersion.Version)
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}
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}
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func updateMySQLDatabaseFromV1(dbHandle *sql.DB) error {
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err := updateMySQLDatabaseFrom1To2(dbHandle)
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if err != nil {
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return err
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}
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return updateMySQLDatabaseFromV2(dbHandle)
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}
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func updateMySQLDatabaseFromV2(dbHandle *sql.DB) error {
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err := updateMySQLDatabaseFrom2To3(dbHandle)
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if err != nil {
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return err
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}
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return updateMySQLDatabaseFromV3(dbHandle)
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}
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func updateMySQLDatabaseFromV3(dbHandle *sql.DB) error {
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err := updateMySQLDatabaseFrom3To4(dbHandle)
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if err != nil {
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return err
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}
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return updateMySQLDatabaseFromV4(dbHandle)
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}
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func updateMySQLDatabaseFromV4(dbHandle *sql.DB) error {
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err := updateMySQLDatabaseFrom4To5(dbHandle)
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if err != nil {
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return err
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}
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return updateMySQLDatabaseFromV5(dbHandle)
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}
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func updateMySQLDatabaseFromV5(dbHandle *sql.DB) error {
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return updateMySQLDatabaseFrom5To6(dbHandle)
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}
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func updateMySQLDatabaseFrom1To2(dbHandle *sql.DB) error {
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logger.InfoToConsole("updating database version: 1 -> 2")
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providerLog(logger.LevelInfo, "updating database version: 1 -> 2")
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sql := strings.Replace(mysqlV2SQL, "{{users}}", sqlTableUsers, 1)
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return sqlCommonExecSQLAndUpdateDBVersion(dbHandle, []string{sql}, 2)
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}
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func updateMySQLDatabaseFrom2To3(dbHandle *sql.DB) error {
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logger.InfoToConsole("updating database version: 2 -> 3")
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providerLog(logger.LevelInfo, "updating database version: 2 -> 3")
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sql := strings.Replace(mysqlV3SQL, "{{users}}", sqlTableUsers, 1)
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return sqlCommonExecSQLAndUpdateDBVersion(dbHandle, []string{sql}, 3)
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}
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func updateMySQLDatabaseFrom3To4(dbHandle *sql.DB) error {
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return sqlCommonUpdateDatabaseFrom3To4(mysqlV4SQL, dbHandle)
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}
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func updateMySQLDatabaseFrom4To5(dbHandle *sql.DB) error {
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return sqlCommonUpdateDatabaseFrom4To5(dbHandle)
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}
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func updateMySQLDatabaseFrom5To6(dbHandle *sql.DB) error {
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logger.InfoToConsole("updating database version: 5 -> 6")
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providerLog(logger.LevelInfo, "updating database version: 5 -> 6")
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sql := strings.Replace(mysqlV6SQL, "{{users}}", sqlTableUsers, 1)
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return sqlCommonExecSQLAndUpdateDBVersion(dbHandle, []string{sql}, 6)
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}
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func downgradeMySQLDatabaseFrom6To5(dbHandle *sql.DB) error {
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logger.InfoToConsole("downgrading database version: 6 -> 5")
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providerLog(logger.LevelInfo, "downgrading database version: 6 -> 5")
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sql := strings.Replace(mysqlV6DownSQL, "{{users}}", sqlTableUsers, 1)
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return sqlCommonExecSQLAndUpdateDBVersion(dbHandle, []string{sql}, 5)
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}
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func downgradeMySQLDatabaseFrom5To4(dbHandle *sql.DB) error {
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return sqlCommonDowngradeDatabaseFrom5To4(dbHandle)
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}
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