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332 lines
13 KiB
Go
332 lines
13 KiB
Go
// +build !nomysql
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package dataprovider
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import (
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"context"
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"crypto/x509"
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"database/sql"
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"errors"
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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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mysqlInitialSQL = "CREATE TABLE `{{schema_version}}` (`id` integer AUTO_INCREMENT NOT NULL PRIMARY KEY, `version` integer NOT NULL);" +
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"CREATE TABLE `{{admins}}` (`id` integer AUTO_INCREMENT NOT NULL PRIMARY KEY, `username` varchar(255) NOT NULL UNIQUE, " +
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"`password` varchar(255) NOT NULL, `email` varchar(255) NULL, `status` integer NOT NULL, `permissions` longtext NOT NULL, " +
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"`filters` longtext NULL, `additional_info` longtext NULL);" +
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"CREATE TABLE `{{folders}}` (`id` integer AUTO_INCREMENT NOT NULL PRIMARY KEY, `name` varchar(255) NOT NULL UNIQUE, " +
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"`path` varchar(512) NULL, `used_quota_size` bigint NOT NULL, `used_quota_files` integer NOT NULL, " +
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"`last_quota_update` bigint NOT NULL);" +
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"CREATE TABLE `{{users}}` (`id` integer AUTO_INCREMENT NOT NULL PRIMARY KEY, `status` integer NOT NULL, " +
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"`expiration_date` bigint NOT NULL, `username` varchar(255) NOT NULL UNIQUE, `password` longtext NULL, " +
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"`public_keys` longtext NULL, `home_dir` varchar(512) NOT NULL, `uid` integer NOT NULL, `gid` integer NOT NULL, " +
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"`max_sessions` integer NOT NULL, `quota_size` bigint NOT NULL, `quota_files` integer NOT NULL, " +
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"`permissions` longtext NOT NULL, `used_quota_size` bigint NOT NULL, `used_quota_files` integer NOT NULL, " +
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"`last_quota_update` bigint NOT NULL, `upload_bandwidth` integer NOT NULL, `download_bandwidth` integer NOT NULL, " +
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"`last_login` bigint NOT NULL, `filters` longtext NULL, `filesystem` longtext NULL, `additional_info` longtext NULL);" +
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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 `{{prefix}}unique_mapping` UNIQUE (`user_id`, `folder_id`);" +
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"ALTER TABLE `{{folders_mapping}}` ADD CONSTRAINT `{{prefix}}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 `{{prefix}}folders_mapping_user_id_fk_users_id` FOREIGN KEY (`user_id`) REFERENCES `{{users}}` (`id`) ON DELETE CASCADE;" +
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"INSERT INTO {{schema_version}} (version) VALUES (8);"
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mysqlV9SQL = "ALTER TABLE `{{admins}}` ADD COLUMN `description` varchar(512) NULL;" +
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"ALTER TABLE `{{folders}}` ADD COLUMN `description` varchar(512) NULL;" +
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"ALTER TABLE `{{folders}}` ADD COLUMN `filesystem` longtext NULL;" +
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"ALTER TABLE `{{users}}` ADD COLUMN `description` varchar(512) NULL;"
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mysqlV9DownSQL = "ALTER TABLE `{{users}}` DROP COLUMN `description`;" +
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"ALTER TABLE `{{folders}}` DROP COLUMN `filesystem`;" +
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"ALTER TABLE `{{folders}}` DROP COLUMN `description`;" +
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"ALTER TABLE `{{admins}}` DROP COLUMN `description`;"
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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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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 config.ConnectionString == "" {
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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) validateUserAndTLSCert(username, protocol string, tlsCert *x509.Certificate) (User, error) {
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return sqlCommonValidateUserAndTLSCertificate(username, protocol, tlsCert, 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) 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 sqlCommonGetUserByUsername(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) ([]User, error) {
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return sqlCommonGetUsers(limit, offset, order, 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 string) ([]vfs.BaseVirtualFolder, error) {
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return sqlCommonGetFolders(limit, offset, order, p.dbHandle)
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}
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func (p *MySQLProvider) getFolderByName(name 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 sqlCommonGetFolderByName(ctx, name, 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) updateFolder(folder *vfs.BaseVirtualFolder) error {
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return sqlCommonUpdateFolder(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(name string, filesAdd int, sizeAdd int64, reset bool) error {
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return sqlCommonUpdateFolderQuota(name, filesAdd, sizeAdd, reset, p.dbHandle)
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}
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func (p *MySQLProvider) getUsedFolderQuota(name string) (int, int64, error) {
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return sqlCommonGetFolderUsedQuota(name, p.dbHandle)
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}
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func (p *MySQLProvider) adminExists(username string) (Admin, error) {
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return sqlCommonGetAdminByUsername(username, p.dbHandle)
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}
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func (p *MySQLProvider) addAdmin(admin *Admin) error {
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return sqlCommonAddAdmin(admin, p.dbHandle)
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}
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func (p *MySQLProvider) updateAdmin(admin *Admin) error {
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return sqlCommonUpdateAdmin(admin, p.dbHandle)
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}
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func (p *MySQLProvider) deleteAdmin(admin *Admin) error {
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return sqlCommonDeleteAdmin(admin, p.dbHandle)
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}
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func (p *MySQLProvider) getAdmins(limit int, offset int, order string) ([]Admin, error) {
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return sqlCommonGetAdmins(limit, offset, order, p.dbHandle)
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}
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func (p *MySQLProvider) dumpAdmins() ([]Admin, error) {
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return sqlCommonDumpAdmins(p.dbHandle)
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}
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func (p *MySQLProvider) validateAdminAndPass(username, password, ip string) (Admin, error) {
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return sqlCommonValidateAdminAndPass(username, password, ip, 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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initialSQL := strings.ReplaceAll(mysqlInitialSQL, "{{schema_version}}", sqlTableSchemaVersion)
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initialSQL = strings.ReplaceAll(initialSQL, "{{admins}}", sqlTableAdmins)
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initialSQL = strings.ReplaceAll(initialSQL, "{{folders}}", sqlTableFolders)
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initialSQL = strings.ReplaceAll(initialSQL, "{{users}}", sqlTableUsers)
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initialSQL = strings.ReplaceAll(initialSQL, "{{folders_mapping}}", sqlTableFoldersMapping)
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initialSQL = strings.ReplaceAll(initialSQL, "{{prefix}}", config.SQLTablesPrefix)
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return sqlCommonExecSQLAndUpdateDBVersion(p.dbHandle, strings.Split(initialSQL, ";"), 8)
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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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switch version := dbVersion.Version; {
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case version == sqlDatabaseVersion:
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providerLog(logger.LevelDebug, "sql database is up to date, current version: %v", version)
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return ErrNoInitRequired
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case version < 8:
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err = fmt.Errorf("database version %v is too old, please see the upgrading docs", version)
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providerLog(logger.LevelError, "%v", err)
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logger.ErrorToConsole("%v", err)
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return err
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case version == 8:
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return updateMySQLDatabaseFromV8(p.dbHandle)
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case version == 9:
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return updateMySQLDatabaseFromV9(p.dbHandle)
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default:
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if version > sqlDatabaseVersion {
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providerLog(logger.LevelWarn, "database version %v is newer than the supported one: %v", version,
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sqlDatabaseVersion)
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logger.WarnToConsole("database version %v is newer than the supported one: %v", 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", 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 errors.New("current version match target version, nothing to do")
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}
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switch dbVersion.Version {
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case 9:
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return downgradeMySQLDatabaseFromV9(p.dbHandle)
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case 10:
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return downgradeMySQLDatabaseFromV10(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 updateMySQLDatabaseFromV8(dbHandle *sql.DB) error {
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if err := updateMySQLDatabaseFrom8To9(dbHandle); err != nil {
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return err
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}
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return updateMySQLDatabaseFromV9(dbHandle)
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}
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func updateMySQLDatabaseFromV9(dbHandle *sql.DB) error {
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return updateMySQLDatabaseFrom9To10(dbHandle)
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}
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func downgradeMySQLDatabaseFromV9(dbHandle *sql.DB) error {
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return downgradeMySQLDatabaseFrom9To8(dbHandle)
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}
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func downgradeMySQLDatabaseFromV10(dbHandle *sql.DB) error {
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if err := downgradeMySQLDatabaseFrom10To9(dbHandle); err != nil {
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return err
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}
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return downgradeMySQLDatabaseFromV9(dbHandle)
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}
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func updateMySQLDatabaseFrom8To9(dbHandle *sql.DB) error {
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logger.InfoToConsole("updating database version: 8 -> 9")
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providerLog(logger.LevelInfo, "updating database version: 8 -> 9")
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sql := strings.ReplaceAll(mysqlV9SQL, "{{users}}", sqlTableUsers)
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sql = strings.ReplaceAll(sql, "{{admins}}", sqlTableAdmins)
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sql = strings.ReplaceAll(sql, "{{folders}}", sqlTableFolders)
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return sqlCommonExecSQLAndUpdateDBVersion(dbHandle, strings.Split(sql, ";"), 9)
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}
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func downgradeMySQLDatabaseFrom9To8(dbHandle *sql.DB) error {
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logger.InfoToConsole("downgrading database version: 9 -> 8")
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providerLog(logger.LevelInfo, "downgrading database version: 9 -> 8")
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sql := strings.ReplaceAll(mysqlV9DownSQL, "{{users}}", sqlTableUsers)
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sql = strings.ReplaceAll(sql, "{{admins}}", sqlTableAdmins)
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sql = strings.ReplaceAll(sql, "{{folders}}", sqlTableFolders)
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return sqlCommonExecSQLAndUpdateDBVersion(dbHandle, strings.Split(sql, ";"), 8)
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}
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func updateMySQLDatabaseFrom9To10(dbHandle *sql.DB) error {
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return sqlCommonUpdateDatabaseFrom9To10(dbHandle)
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}
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func downgradeMySQLDatabaseFrom10To9(dbHandle *sql.DB) error {
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return sqlCommonDowngradeDatabaseFrom10To9(dbHandle)
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}
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