quickshare/src/server/init_deps.go
2022-09-25 12:14:55 +08:00

270 lines
7.6 KiB
Go

package server
import (
"context"
"crypto/rand"
"crypto/sha1"
"errors"
"fmt"
"io"
"os"
"path"
"github.com/gin-gonic/gin"
"github.com/ihexxa/gocfg"
"github.com/ihexxa/quickshare/src/db/rdb/sqlite"
"github.com/ihexxa/quickshare/src/worker"
"github.com/natefinch/lumberjack"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
"golang.org/x/crypto/bcrypt"
"github.com/ihexxa/quickshare/src/cryptoutil"
"github.com/ihexxa/quickshare/src/cryptoutil/jwt"
"github.com/ihexxa/quickshare/src/db"
"github.com/ihexxa/quickshare/src/depidx"
"github.com/ihexxa/quickshare/src/fs"
"github.com/ihexxa/quickshare/src/fs/local"
"github.com/ihexxa/quickshare/src/idgen"
"github.com/ihexxa/quickshare/src/idgen/simpleidgen"
"github.com/ihexxa/quickshare/src/iolimiter"
"github.com/ihexxa/quickshare/src/search/fileindex"
"github.com/ihexxa/quickshare/src/worker/localworker"
)
type Initer struct {
cfg gocfg.ICfg
input io.Reader
output io.Writer
}
func NewIniter(cfg gocfg.ICfg) *Initer {
return &Initer{
cfg: cfg,
input: os.Stdin,
output: os.Stdout,
}
}
func (it *Initer) InitDeps() *depidx.Deps {
ider := simpleidgen.New()
logger := it.initLogger()
jwtEncDec := it.initJWT(logger)
workers := it.initWorkerPool(logger)
filesystem, err := it.initFs(ider, logger)
if err != nil {
logger.Fatalf("failed to init DB: %s", err)
}
quickshareDb, err := it.initDb(filesystem)
if err != nil {
logger.Fatalf("failed to init DB: %s", err)
}
rateLimiter := it.initRateLimiter(quickshareDb)
fileIndex := it.initSearchIndex(filesystem, logger)
deps := depidx.NewDeps(it.cfg)
deps.SetDB(quickshareDb)
deps.SetFS(filesystem)
deps.SetToken(jwtEncDec)
deps.SetID(ider)
deps.SetLog(logger)
deps.SetLimiter(rateLimiter)
deps.SetWorkers(workers)
deps.SetFileIndex(fileIndex)
return deps
}
func (it *Initer) initLogger() *zap.SugaredLogger {
fileWriter := zapcore.AddSync(&lumberjack.Logger{
Filename: path.Join(it.cfg.GrabString("Fs.Root"), "quickshare.log"),
MaxSize: it.cfg.IntOr("Log.MaxSize", 50), // megabytes
MaxBackups: it.cfg.IntOr("Log.MaxBackups", 2),
MaxAge: it.cfg.IntOr("Log.MaxAge", 31), // days
})
stdoutWriter := zapcore.AddSync(os.Stdout)
multiWriter := zapcore.NewMultiWriteSyncer(fileWriter, stdoutWriter)
gin.DefaultWriter = multiWriter
core := zapcore.NewCore(
zapcore.NewJSONEncoder(zap.NewProductionEncoderConfig()),
multiWriter,
zap.InfoLevel,
)
return zap.New(core).Sugar()
}
func (it *Initer) initJWT(logger *zap.SugaredLogger) cryptoutil.ITokenEncDec {
secret, ok := it.cfg.String("ENV.TOKENSECRET")
if !ok {
b := make([]byte, 32)
_, err := rand.Read(b)
if err != nil {
logger.Fatalf("make rand token error: %s", err)
}
secret = string(b)
logger.Info("warning: TOKENSECRET is not set, a random token is generated")
}
return jwt.NewJWTEncDec(secret)
}
func (it *Initer) initRateLimiter(quickshareDb db.IDBQuickshare) iolimiter.ILimiter {
limiterCap := it.cfg.IntOr("Users.LimiterCapacity", 10000)
limiterCyc := it.cfg.IntOr("Users.LimiterCyc", 1000)
return iolimiter.NewIOLimiter(limiterCap, limiterCyc, quickshareDb)
}
func (it *Initer) initWorkerPool(logger *zap.SugaredLogger) worker.IWorkerPool {
queueSize := it.cfg.GrabInt("Workers.QueueSize")
sleepCyc := it.cfg.GrabInt("Workers.SleepCyc")
workerCount := it.cfg.GrabInt("Workers.WorkerCount")
workers := localworker.NewWorkerPool(queueSize, sleepCyc, workerCount, logger)
workers.Start()
return workers
}
func (it *Initer) initSearchIndex(filesystem fs.ISimpleFS, logger *zap.SugaredLogger) fileindex.IFileIndex {
searchResultLimit := it.cfg.GrabInt("Server.SearchResultLimit")
fileIndex := fileindex.NewFileTreeIndex(filesystem, "/", searchResultLimit)
indexInited := false
indexInfo, err := filesystem.Stat(fileIndexPath)
if err != nil {
if !os.IsNotExist(err) {
logger.Warnf("detect index file error: %s", err)
} else {
logger.Warnf("index file not found")
}
} else if indexInfo.IsDir() {
logger.Warnf("file index is a folder, not a file: %s", fileIndexPath)
} else {
err = fileIndex.ReadFrom(fileIndexPath)
if err != nil {
logger.Warnf("failed to load file index: %s", err)
} else {
indexInited = true
}
}
logger.Infof("file index inited(%t)", indexInited)
return fileIndex
}
func (it *Initer) initFs(idGenerator idgen.IIDGen, logger *zap.SugaredLogger) (fs.ISimpleFS, error) {
rootPath := it.cfg.GrabString("Fs.Root")
opensLimit := it.cfg.GrabInt("Fs.OpensLimit")
openTTL := it.cfg.GrabInt("Fs.OpenTTL")
readerTTL := it.cfg.GrabInt("Server.WriteTimeout") / 1000 // millisecond -> second
info, err := os.Stat(rootPath)
if err != nil {
if os.IsNotExist(err) {
err = os.MkdirAll(rootPath, 0760)
if err != nil {
logger.Fatalf("create root path error: %s", err)
}
} else {
logger.Fatalf("stat root Path error: %s", err)
}
} else if !info.IsDir() {
logger.Fatalf("can not create %s folder: there is a file with same name", rootPath)
}
return local.NewLocalFS(rootPath, 0660, opensLimit, openTTL, readerTTL, idGenerator), nil
}
func (it *Initer) initDb(filesystem fs.ISimpleFS) (db.IDBQuickshare, error) {
dbPath := it.cfg.GrabString("Db.DbPath")
dbDir := path.Dir(dbPath)
sqliteDB, err := sqlite.NewSQLite(path.Join(filesystem.Root(), dbPath))
if err != nil {
return nil, fmt.Errorf("failed to create path for db: %w", err)
}
dbQuickshare, err := sqlite.NewSQLiteStore(sqliteDB)
if err != nil {
return nil, fmt.Errorf("failed to create quickshare db: %w", err)
}
inited := true
_, err = filesystem.Stat(dbPath)
if err != nil {
if errors.Is(err, os.ErrNotExist) {
inited = false
} else {
return nil, fmt.Errorf("failed to stat db: %w", err)
}
}
var ok bool
var adminName string
var pwdHash []byte
if !inited {
err := filesystem.MkdirAll(dbDir)
if err != nil {
return nil, fmt.Errorf("failed to create path for db: %w", err)
}
adminName, ok = it.cfg.String("ENV.DEFAULTADMIN")
if !ok || adminName == "" {
fmt.Fprintln(it.output, "Please input admin name: ")
fmt.Fscanf(it.input, "%s", &adminName)
}
adminPwd, _ := it.cfg.String("ENV.DEFAULTADMINPWD")
if adminPwd == "" {
adminPwd, err = generatePwd()
if err != nil {
return nil, fmt.Errorf("generate password error: %w", err)
}
fmt.Fprintf(
it.output,
"password is generated: %s, please update it immediately after login\n",
adminPwd,
)
}
pwdHash, err = bcrypt.GenerateFromPassword([]byte(adminPwd), 10)
if err != nil {
return nil, fmt.Errorf("hashing password error: %w", err)
}
it.cfg.SetString("ENV.DEFAULTADMIN", adminName)
it.cfg.SetString("ENV.DEFAULTADMINPWD", adminPwd)
it.cfg.SetString("ENV.DEFAULTADMINPWDHASH", string(pwdHash))
siteCfg := &db.SiteConfig{
ClientCfg: &db.ClientConfig{
SiteName: it.cfg.StringOr("Site.ClientCfg.SiteName", "Quickshare"),
SiteDesc: it.cfg.StringOr("Site.ClientCfg.SiteDesc", "Quick and simple file sharing"),
Bg: &db.BgConfig{
Url: it.cfg.StringOr("Site.ClientCfg.Bg.Url", ""),
Repeat: it.cfg.StringOr("Site.ClientCfg.Bg.Repeat", "repeat"),
Position: it.cfg.StringOr("Site.ClientCfg.Bg.Position", "center"),
Align: it.cfg.StringOr("Site.ClientCfg.Bg.Align", "fixed"),
BgColor: it.cfg.StringOr("Site.ClientCfg.Bg.BgColor", ""),
},
},
}
err = dbQuickshare.Init(context.TODO(), adminName, string(pwdHash), siteCfg)
if err != nil {
return nil, fmt.Errorf("failed to init tables: %w %s", err, dbPath)
}
}
return dbQuickshare, nil
}
func generatePwd() (string, error) {
size := 10
buf := make([]byte, size)
size, err := rand.Read(buf)
if err != nil {
return "", fmt.Errorf("generate pwd error: %w", err)
}
return fmt.Sprintf("%x", sha1.Sum(buf[:size]))[:6], nil
}