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// Copyright 2020 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 (
"fmt"
"io"
"net/url"
"path/filepath"
"strings"
"time"
"github.com/jinzhu/gorm"
_ "github.com/jinzhu/gorm/dialects/mssql"
_ "github.com/jinzhu/gorm/dialects/mysql"
_ "github.com/jinzhu/gorm/dialects/postgres"
_ "github.com/jinzhu/gorm/dialects/sqlite"
"github.com/pkg/errors"
log "unknwon.dev/clog/v2"
"gogs.io/gogs/internal/conf"
"gogs.io/gogs/internal/dbutil"
)
// 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
}
// parseDSN takes given database options and returns parsed DSN.
func parseDSN(opts conf.DatabaseOpts) (dsn string, err error) {
// In case the database name contains "?" with some parameters
concate := "?"
if strings.Contains(opts.Name, concate) {
concate = "&"
}
switch opts.Type {
case "mysql":
if opts.Host[0] == '/' { // Looks like a unix socket
dsn = fmt.Sprintf("%s:%s@unix(%s)/%s%scharset=utf8mb4&parseTime=true",
opts.User, opts.Password, opts.Host, opts.Name, concate)
} else {
dsn = fmt.Sprintf("%s:%s@tcp(%s)/%s%scharset=utf8mb4&parseTime=true",
opts.User, opts.Password, opts.Host, opts.Name, concate)
}
case "postgres":
host, port := parsePostgreSQLHostPort(opts.Host)
if host[0] == '/' { // looks like a unix socket
dsn = fmt.Sprintf("postgres://%s:%s@:%s/%s%ssslmode=%s&host=%s",
url.QueryEscape(opts.User), url.QueryEscape(opts.Password), port, opts.Name, concate, opts.SSLMode, host)
} else {
dsn = fmt.Sprintf("postgres://%s:%s@%s:%s/%s%ssslmode=%s",
url.QueryEscape(opts.User), url.QueryEscape(opts.Password), host, port, opts.Name, concate, opts.SSLMode)
}
case "mssql":
host, port := parseMSSQLHostPort(opts.Host)
dsn = fmt.Sprintf("server=%s; port=%s; database=%s; user id=%s; password=%s;",
host, port, opts.Name, opts.User, opts.Password)
case "sqlite3":
dsn = "file:" + opts.Path + "?cache=shared&mode=rwc"
default:
return "", errors.Errorf("unrecognized dialect: %s", opts.Type)
}
return dsn, nil
}
func openDB(opts conf.DatabaseOpts) (*gorm.DB, error) {
dsn, err := parseDSN(opts)
if err != nil {
return nil, errors.Wrap(err, "parse DSN")
}
return gorm.Open(opts.Type, dsn)
}
func getLogWriter() (io.Writer, error) {
sec := conf.File.Section("log.gorm")
w, err := log.NewFileWriter(
filepath.Join(conf.Log.RootPath, "gorm.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 nil, errors.Wrap(err, `create "gorm.log"`)
}
return w, nil
}
func Init() error {
db, err := openDB(conf.Database)
if err != nil {
return errors.Wrap(err, "open database")
}
db.SingularTable(true)
db.DB().SetMaxOpenConns(conf.Database.MaxOpenConns)
db.DB().SetMaxIdleConns(conf.Database.MaxIdleConns)
db.DB().SetConnMaxLifetime(time.Minute)
w, err := getLogWriter()
if err != nil {
return errors.Wrap(err, "get log writer")
}
db.SetLogger(&dbutil.Writer{Writer: w})
if !conf.IsProdMode() {
db = db.LogMode(true)
}
switch conf.Database.Type {
case "mysql":
conf.UseMySQL = true
db = db.Set("gorm:table_options", "ENGINE=InnoDB")
case "postgres":
conf.UsePostgreSQL = true
case "mssql":
conf.UseMSSQL = true
case "sqlite3":
conf.UseMySQL = true
}
err = db.AutoMigrate(new(LFSObject)).Error
if err != nil {
return errors.Wrap(err, "migrate schemes")
}
// Initialize stores, sorted in alphabetical order.
AccessTokens = &accessTokens{DB: db}
LoginSources = &loginSources{DB: db}
LFS = &lfs{DB: db}
Perms = &perms{DB: db}
Repos = &repos{DB: db}
TwoFactors = &twoFactors{DB: db}
Users = &users{DB: db}
return db.DB().Ping()
}
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