// Copyright 2014 The Gogs Authors. All rights reserved. // Use of this source code is governed by a MIT-style // license that can be found in the LICENSE file. package db import ( "bufio" "database/sql" "errors" "fmt" "net/url" "os" "path" "strings" "time" _ "github.com/denisenkom/go-mssqldb" _ "github.com/go-sql-driver/mysql" "github.com/json-iterator/go" _ "github.com/lib/pq" "github.com/unknwon/com" log "gopkg.in/clog.v1" "xorm.io/core" "xorm.io/xorm" "gogs.io/gogs/internal/db/migrations" "gogs.io/gogs/internal/setting" ) // Engine represents a XORM engine or session. type Engine interface { Delete(interface{}) (int64, error) Exec(...interface{}) (sql.Result, error) Find(interface{}, ...interface{}) error Get(interface{}) (bool, error) ID(interface{}) *xorm.Session In(string, ...interface{}) *xorm.Session Insert(...interface{}) (int64, error) InsertOne(interface{}) (int64, error) Iterate(interface{}, xorm.IterFunc) error Sql(string, ...interface{}) *xorm.Session Table(interface{}) *xorm.Session Where(interface{}, ...interface{}) *xorm.Session } var ( x *xorm.Engine tables []interface{} HasEngine bool DbCfg struct { Type, Host, Name, User, Passwd, Path, SSLMode string } EnableSQLite3 bool ) func init() { tables = append(tables, new(User), new(PublicKey), new(AccessToken), new(TwoFactor), new(TwoFactorRecoveryCode), new(Repository), new(DeployKey), new(Collaboration), new(Access), new(Upload), new(Watch), new(Star), new(Follow), new(Action), new(Issue), new(PullRequest), new(Comment), new(Attachment), new(IssueUser), new(Label), new(IssueLabel), new(Milestone), new(Mirror), new(Release), new(LoginSource), new(Webhook), new(HookTask), new(ProtectBranch), new(ProtectBranchWhitelist), new(Team), new(OrgUser), new(TeamUser), new(TeamRepo), new(Notice), new(EmailAddress)) gonicNames := []string{"SSL"} for _, name := range gonicNames { core.LintGonicMapper[name] = true } } func LoadConfigs() { sec := setting.Cfg.Section("database") DbCfg.Type = sec.Key("DB_TYPE").String() switch DbCfg.Type { case "sqlite3": setting.UseSQLite3 = true case "mysql": setting.UseMySQL = true case "postgres": setting.UsePostgreSQL = true case "mssql": setting.UseMSSQL = true } DbCfg.Host = sec.Key("HOST").String() DbCfg.Name = sec.Key("NAME").String() DbCfg.User = sec.Key("USER").String() if len(DbCfg.Passwd) == 0 { DbCfg.Passwd = sec.Key("PASSWD").String() } DbCfg.SSLMode = sec.Key("SSL_MODE").String() DbCfg.Path = sec.Key("PATH").MustString("data/gogs.db") } // parsePostgreSQLHostPort parses given input in various forms defined in // https://www.postgresql.org/docs/current/static/libpq-connect.html#LIBPQ-CONNSTRING // and returns proper host and port number. func parsePostgreSQLHostPort(info string) (string, string) { host, port := "127.0.0.1", "5432" if strings.Contains(info, ":") && !strings.HasSuffix(info, "]") { idx := strings.LastIndex(info, ":") host = info[:idx] port = info[idx+1:] } else if len(info) > 0 { host = info } return host, port } func parseMSSQLHostPort(info string) (string, string) { host, port := "127.0.0.1", "1433" if strings.Contains(info, ":") { host = strings.Split(info, ":")[0] port = strings.Split(info, ":")[1] } else if strings.Contains(info, ",") { host = strings.Split(info, ",")[0] port = strings.TrimSpace(strings.Split(info, ",")[1]) } else if len(info) > 0 { host = info } return host, port } func getEngine() (*xorm.Engine, error) { connStr := "" var Param string = "?" if strings.Contains(DbCfg.Name, Param) { Param = "&" } switch DbCfg.Type { case "mysql": if DbCfg.Host[0] == '/' { // looks like a unix socket connStr = fmt.Sprintf("%s:%s@unix(%s)/%s%scharset=utf8mb4&parseTime=true", DbCfg.User, DbCfg.Passwd, DbCfg.Host, DbCfg.Name, Param) } else { connStr = fmt.Sprintf("%s:%s@tcp(%s)/%s%scharset=utf8mb4&parseTime=true", DbCfg.User, DbCfg.Passwd, DbCfg.Host, DbCfg.Name, Param) } var engineParams = map[string]string{"rowFormat": "DYNAMIC"} return xorm.NewEngineWithParams(DbCfg.Type, connStr, engineParams) case "postgres": host, port := parsePostgreSQLHostPort(DbCfg.Host) if host[0] == '/' { // looks like a unix socket connStr = fmt.Sprintf("postgres://%s:%s@:%s/%s%ssslmode=%s&host=%s", url.QueryEscape(DbCfg.User), url.QueryEscape(DbCfg.Passwd), port, DbCfg.Name, Param, DbCfg.SSLMode, host) } else { connStr = fmt.Sprintf("postgres://%s:%s@%s:%s/%s%ssslmode=%s", url.QueryEscape(DbCfg.User), url.QueryEscape(DbCfg.Passwd), host, port, DbCfg.Name, Param, DbCfg.SSLMode) } case "mssql": host, port := parseMSSQLHostPort(DbCfg.Host) connStr = fmt.Sprintf("server=%s; port=%s; database=%s; user id=%s; password=%s;", host, port, DbCfg.Name, DbCfg.User, DbCfg.Passwd) case "sqlite3": if !EnableSQLite3 { return nil, errors.New("this binary version does not build support for SQLite3") } if err := os.MkdirAll(path.Dir(DbCfg.Path), os.ModePerm); err != nil { return nil, fmt.Errorf("create directories: %v", err) } connStr = "file:" + DbCfg.Path + "?cache=shared&mode=rwc" default: return nil, fmt.Errorf("unknown database type: %s", DbCfg.Type) } return xorm.NewEngine(DbCfg.Type, connStr) } func NewTestEngine(x *xorm.Engine) (err error) { x, err = getEngine() if err != nil { return fmt.Errorf("connect to database: %v", err) } x.SetMapper(core.GonicMapper{}) return x.StoreEngine("InnoDB").Sync2(tables...) } func SetEngine() (err error) { x, err = getEngine() if err != nil { return fmt.Errorf("connect to database: %v", err) } x.SetMapper(core.GonicMapper{}) // WARNING: for serv command, MUST remove the output to os.stdout, // so use log file to instead print to stdout. sec := setting.Cfg.Section("log.xorm") logger, err := log.NewFileWriter(path.Join(setting.LogRootPath, "xorm.log"), log.FileRotationConfig{ Rotate: sec.Key("ROTATE").MustBool(true), Daily: sec.Key("ROTATE_DAILY").MustBool(true), MaxSize: sec.Key("MAX_SIZE").MustInt64(100) * 1024 * 1024, MaxDays: sec.Key("MAX_DAYS").MustInt64(3), }) if err != nil { return fmt.Errorf("create 'xorm.log': %v", err) } // To prevent mystery "MySQL: invalid connection" error, // see https://gogs.io/gogs/issues/5532. x.SetMaxIdleConns(0) x.SetConnMaxLifetime(time.Second) if setting.ProdMode { x.SetLogger(xorm.NewSimpleLogger3(logger, xorm.DEFAULT_LOG_PREFIX, xorm.DEFAULT_LOG_FLAG, core.LOG_WARNING)) } else { x.SetLogger(xorm.NewSimpleLogger(logger)) } x.ShowSQL(true) return nil } func NewEngine() (err error) { if err = SetEngine(); err != nil { return err } if err = migrations.Migrate(x); err != nil { return fmt.Errorf("migrate: %v", err) } if err = x.StoreEngine("InnoDB").Sync2(tables...); err != nil { return fmt.Errorf("sync structs to database tables: %v\n", err) } return nil } type Statistic struct { Counter struct { User, Org, PublicKey, Repo, Watch, Star, Action, Access, Issue, Comment, Oauth, Follow, Mirror, Release, LoginSource, Webhook, Milestone, Label, HookTask, Team, UpdateTask, Attachment int64 } } func GetStatistic() (stats Statistic) { stats.Counter.User = CountUsers() stats.Counter.Org = CountOrganizations() stats.Counter.PublicKey, _ = x.Count(new(PublicKey)) stats.Counter.Repo = CountRepositories(true) stats.Counter.Watch, _ = x.Count(new(Watch)) stats.Counter.Star, _ = x.Count(new(Star)) stats.Counter.Action, _ = x.Count(new(Action)) stats.Counter.Access, _ = x.Count(new(Access)) stats.Counter.Issue, _ = x.Count(new(Issue)) stats.Counter.Comment, _ = x.Count(new(Comment)) stats.Counter.Oauth = 0 stats.Counter.Follow, _ = x.Count(new(Follow)) stats.Counter.Mirror, _ = x.Count(new(Mirror)) stats.Counter.Release, _ = x.Count(new(Release)) stats.Counter.LoginSource = CountLoginSources() stats.Counter.Webhook, _ = x.Count(new(Webhook)) stats.Counter.Milestone, _ = x.Count(new(Milestone)) stats.Counter.Label, _ = x.Count(new(Label)) stats.Counter.HookTask, _ = x.Count(new(HookTask)) stats.Counter.Team, _ = x.Count(new(Team)) stats.Counter.Attachment, _ = x.Count(new(Attachment)) return } func Ping() error { return x.Ping() } // The version table. Should have only one row with id==1 type Version struct { ID int64 Version int64 } // DumpDatabase dumps all data from database to file system in JSON format. func DumpDatabase(dirPath string) (err error) { os.MkdirAll(dirPath, os.ModePerm) // Purposely create a local variable to not modify global variable tables := append(tables, new(Version)) for _, table := range tables { tableName := strings.TrimPrefix(fmt.Sprintf("%T", table), "*db.") tableFile := path.Join(dirPath, tableName+".json") f, err := os.Create(tableFile) if err != nil { return fmt.Errorf("create JSON file: %v", err) } if err = x.Asc("id").Iterate(table, func(idx int, bean interface{}) (err error) { return jsoniter.NewEncoder(f).Encode(bean) }); err != nil { f.Close() return fmt.Errorf("dump table '%s': %v", tableName, err) } f.Close() } return nil } // ImportDatabase imports data from backup archive. func ImportDatabase(dirPath string, verbose bool) (err error) { snakeMapper := core.SnakeMapper{} skipInsertProcessors := map[string]bool{ "mirror": true, "milestone": true, } // Purposely create a local variable to not modify global variable tables := append(tables, new(Version)) for _, table := range tables { tableName := strings.TrimPrefix(fmt.Sprintf("%T", table), "*db.") tableFile := path.Join(dirPath, tableName+".json") if !com.IsExist(tableFile) { continue } if verbose { log.Trace("Importing table '%s'...", tableName) } if err = x.DropTables(table); err != nil { return fmt.Errorf("drop table '%s': %v", tableName, err) } else if err = x.Sync2(table); err != nil { return fmt.Errorf("sync table '%s': %v", tableName, err) } f, err := os.Open(tableFile) if err != nil { return fmt.Errorf("open JSON file: %v", err) } rawTableName := x.TableName(table) _, isInsertProcessor := table.(xorm.BeforeInsertProcessor) scanner := bufio.NewScanner(f) for scanner.Scan() { switch bean := table.(type) { case *LoginSource: meta := make(map[string]interface{}) if err = jsoniter.Unmarshal(scanner.Bytes(), &meta); err != nil { return fmt.Errorf("unmarshal to map: %v", err) } tp := LoginType(com.StrTo(com.ToStr(meta["Type"])).MustInt64()) switch tp { case LOGIN_LDAP, LOGIN_DLDAP: bean.Cfg = new(LDAPConfig) case LOGIN_SMTP: bean.Cfg = new(SMTPConfig) case LOGIN_PAM: bean.Cfg = new(PAMConfig) case LOGIN_GITHUB: bean.Cfg = new(GitHubConfig) default: return fmt.Errorf("unrecognized login source type:: %v", tp) } table = bean } if err = jsoniter.Unmarshal(scanner.Bytes(), table); err != nil { return fmt.Errorf("unmarshal to struct: %v", err) } if _, err = x.Insert(table); err != nil { return fmt.Errorf("insert strcut: %v", err) } meta := make(map[string]interface{}) if err = jsoniter.Unmarshal(scanner.Bytes(), &meta); err != nil { log.Error(2, "Failed to unmarshal to map: %v", err) } // Reset created_unix back to the date save in archive because Insert method updates its value if isInsertProcessor && !skipInsertProcessors[rawTableName] { if _, err = x.Exec("UPDATE "+rawTableName+" SET created_unix=? WHERE id=?", meta["CreatedUnix"], meta["ID"]); err != nil { log.Error(2, "Failed to reset 'created_unix': %v", err) } } switch rawTableName { case "milestone": if _, err = x.Exec("UPDATE "+rawTableName+" SET deadline_unix=?, closed_date_unix=? WHERE id=?", meta["DeadlineUnix"], meta["ClosedDateUnix"], meta["ID"]); err != nil { log.Error(2, "Failed to reset 'milestone.deadline_unix', 'milestone.closed_date_unix': %v", err) } } } // PostgreSQL needs manually reset table sequence for auto increment keys if setting.UsePostgreSQL { rawTableName := snakeMapper.Obj2Table(tableName) seqName := rawTableName + "_id_seq" if _, err = x.Exec(fmt.Sprintf(`SELECT setval('%s', COALESCE((SELECT MAX(id)+1 FROM "%s"), 1), false);`, seqName, rawTableName)); err != nil { return fmt.Errorf("reset table '%s' sequence: %v", rawTableName, err) } } } return nil }