258 lines
7.5 KiB
Go
258 lines
7.5 KiB
Go
package main
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import (
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"context"
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"crypto/ecdsa"
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"fmt"
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"math"
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"strconv"
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"github.com/fasthttp/router"
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"github.com/nspcc-dev/neo-go/cli/flags"
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"github.com/nspcc-dev/neo-go/cli/input"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/wallet"
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"github.com/nspcc-dev/neofs-http-gw/downloader"
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"github.com/nspcc-dev/neofs-http-gw/response"
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"github.com/nspcc-dev/neofs-http-gw/uploader"
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"github.com/nspcc-dev/neofs-sdk-go/logger"
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"github.com/nspcc-dev/neofs-sdk-go/pool"
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"github.com/spf13/viper"
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"github.com/valyala/fasthttp"
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"go.uber.org/zap"
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"google.golang.org/grpc/grpclog"
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)
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type (
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app struct {
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log *zap.Logger
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pool pool.Pool
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cfg *viper.Viper
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auxiliaryLog logger.Logger
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webServer *fasthttp.Server
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webDone chan struct{}
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}
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// App is an interface for the main gateway function.
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App interface {
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Wait()
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Serve(context.Context)
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}
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// Option is an application option.
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Option func(a *app)
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)
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// WithLogger returns Option to set a specific logger.
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func WithLogger(l *zap.Logger) Option {
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return func(a *app) {
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if l == nil {
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return
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}
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a.log = l
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}
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}
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// WithConfig returns Option to use specific Viper configuration.
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func WithConfig(c *viper.Viper) Option {
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return func(a *app) {
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if c == nil {
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return
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}
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a.cfg = c
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}
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}
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func newApp(ctx context.Context, opt ...Option) App {
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var (
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key *ecdsa.PrivateKey
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err error
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)
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a := &app{
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log: zap.L(),
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cfg: viper.GetViper(),
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webServer: new(fasthttp.Server),
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webDone: make(chan struct{}),
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}
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for i := range opt {
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opt[i](a)
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}
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a.auxiliaryLog = logger.GRPC(a.log)
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if a.cfg.GetBool(cmdVerbose) {
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grpclog.SetLoggerV2(a.auxiliaryLog)
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}
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// -- setup FastHTTP server --
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a.webServer.Name = "neofs-http-gw"
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a.webServer.ReadBufferSize = a.cfg.GetInt(cfgWebReadBufferSize)
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a.webServer.WriteBufferSize = a.cfg.GetInt(cfgWebWriteBufferSize)
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a.webServer.ReadTimeout = a.cfg.GetDuration(cfgWebReadTimeout)
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a.webServer.WriteTimeout = a.cfg.GetDuration(cfgWebWriteTimeout)
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a.webServer.DisableHeaderNamesNormalizing = true
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a.webServer.NoDefaultServerHeader = true
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a.webServer.NoDefaultContentType = true
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a.webServer.MaxRequestBodySize = a.cfg.GetInt(cfgWebMaxRequestBodySize)
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a.webServer.DisablePreParseMultipartForm = true
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a.webServer.StreamRequestBody = a.cfg.GetBool(cfgWebStreamRequestBody)
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// -- -- -- -- -- -- -- -- -- -- -- -- -- --
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key, err = getNeoFSKey(a)
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if err != nil {
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a.log.Fatal("failed to get neofs credentials", zap.Error(err))
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}
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pb := new(pool.Builder)
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for i := 0; ; i++ {
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address := a.cfg.GetString(cfgPeers + "." + strconv.Itoa(i) + ".address")
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weight := a.cfg.GetFloat64(cfgPeers + "." + strconv.Itoa(i) + ".weight")
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priority := a.cfg.GetInt(cfgPeers + "." + strconv.Itoa(i) + ".priority")
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if address == "" {
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break
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}
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if weight <= 0 { // unspecified or wrong
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weight = 1
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}
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if priority <= 0 { // unspecified or wrong
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priority = 1
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}
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pb.AddNode(address, priority, weight)
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a.log.Info("add connection", zap.String("address", address),
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zap.Float64("weight", weight), zap.Int("priority", priority))
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}
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opts := &pool.BuilderOptions{
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Key: key,
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NodeConnectionTimeout: a.cfg.GetDuration(cfgConTimeout),
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NodeRequestTimeout: a.cfg.GetDuration(cfgReqTimeout),
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ClientRebalanceInterval: a.cfg.GetDuration(cfgRebalance),
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SessionExpirationEpoch: math.MaxUint64,
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}
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a.pool, err = pb.Build(ctx, opts)
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if err != nil {
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a.log.Fatal("failed to create connection pool", zap.Error(err))
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}
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return a
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}
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func getNeoFSKey(a *app) (*ecdsa.PrivateKey, error) {
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walletPath := a.cfg.GetString(cmdWallet)
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if len(walletPath) == 0 {
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a.log.Info("no wallet path specified, creating ephemeral key automatically for this run")
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return pool.NewEphemeralKey()
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}
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w, err := wallet.NewWalletFromFile(walletPath)
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if err != nil {
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return nil, err
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}
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var password *string
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if a.cfg.IsSet(cfgWalletPassphrase) {
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pwd := a.cfg.GetString(cfgWalletPassphrase)
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password = &pwd
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}
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return getKeyFromWallet(w, a.cfg.GetString(cmdAddress), password)
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}
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func getKeyFromWallet(w *wallet.Wallet, addrStr string, password *string) (*ecdsa.PrivateKey, error) {
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var addr util.Uint160
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var err error
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if addrStr == "" {
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addr = w.GetChangeAddress()
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} else {
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addr, err = flags.ParseAddress(addrStr)
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if err != nil {
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return nil, fmt.Errorf("invalid address")
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}
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}
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acc := w.GetAccount(addr)
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if acc == nil {
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return nil, fmt.Errorf("couldn't find wallet account for %s", addrStr)
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}
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if password == nil {
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pwd, err := input.ReadPassword("Enter password > ")
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if err != nil {
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return nil, fmt.Errorf("couldn't read password")
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}
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password = &pwd
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}
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if err := acc.Decrypt(*password, w.Scrypt); err != nil {
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return nil, fmt.Errorf("couldn't decrypt account: %w", err)
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}
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return &acc.PrivateKey().PrivateKey, nil
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}
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func (a *app) Wait() {
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a.log.Info("starting application", zap.String("version", a.cfg.GetString(cfgApplicationVersion)))
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<-a.webDone // wait for web-server to be stopped
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}
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func (a *app) Serve(ctx context.Context) {
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go func() {
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<-ctx.Done()
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a.log.Info("shutting down web server", zap.Error(a.webServer.Shutdown()))
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close(a.webDone)
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}()
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edts := a.cfg.GetBool(cfgUploaderHeaderEnableDefaultTimestamp)
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uploader := uploader.New(a.log, a.pool, edts)
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downloader, err := downloader.New(a.log, downloader.Settings{ZipCompression: a.cfg.GetBool(cfgZipCompression)}, a.pool)
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if err != nil {
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a.log.Fatal("failed to create downloader", zap.Error(err))
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}
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// Configure router.
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r := router.New()
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r.RedirectTrailingSlash = true
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r.NotFound = func(r *fasthttp.RequestCtx) {
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response.Error(r, "Not found", fasthttp.StatusNotFound)
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}
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r.MethodNotAllowed = func(r *fasthttp.RequestCtx) {
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response.Error(r, "Method Not Allowed", fasthttp.StatusMethodNotAllowed)
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}
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r.POST("/upload/{cid}", a.logger(uploader.Upload))
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a.log.Info("added path /upload/{cid}")
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r.GET("/get/{cid}/{oid}", a.logger(downloader.DownloadByAddress))
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r.HEAD("/get/{cid}/{oid}", a.logger(downloader.HeadByAddress))
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a.log.Info("added path /get/{cid}/{oid}")
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r.GET("/get_by_attribute/{cid}/{attr_key}/{attr_val:*}", a.logger(downloader.DownloadByAttribute))
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r.HEAD("/get_by_attribute/{cid}/{attr_key}/{attr_val:*}", a.logger(downloader.HeadByAttribute))
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a.log.Info("added path /get_by_attribute/{cid}/{attr_key}/{attr_val:*}")
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r.GET("/zip/{cid}/{prefix:*}", a.logger(downloader.DownloadZipped))
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a.log.Info("added path /zip/{cid}/{prefix}")
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// enable metrics
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if a.cfg.GetBool(cmdMetrics) {
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a.log.Info("added path /metrics/")
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attachMetrics(r, a.auxiliaryLog)
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}
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// enable pprof
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if a.cfg.GetBool(cmdPprof) {
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a.log.Info("added path /debug/pprof/")
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attachProfiler(r)
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}
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bind := a.cfg.GetString(cfgListenAddress)
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tlsCertPath := a.cfg.GetString(cfgTLSCertificate)
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tlsKeyPath := a.cfg.GetString(cfgTLSKey)
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a.webServer.Handler = r.Handler
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if tlsCertPath == "" && tlsKeyPath == "" {
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a.log.Info("running web server", zap.String("address", bind))
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err = a.webServer.ListenAndServe(bind)
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} else {
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a.log.Info("running web server (TLS-enabled)", zap.String("address", bind))
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err = a.webServer.ListenAndServeTLS(bind, tlsCertPath, tlsKeyPath)
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}
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if err != nil {
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a.log.Fatal("could not start server", zap.Error(err))
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}
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}
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func (a *app) logger(h fasthttp.RequestHandler) fasthttp.RequestHandler {
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return fasthttp.RequestHandler(func(ctx *fasthttp.RequestCtx) {
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a.log.Info("request", zap.String("remote", ctx.RemoteAddr().String()),
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zap.ByteString("method", ctx.Method()),
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zap.ByteString("path", ctx.Path()),
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zap.ByteString("query", ctx.QueryArgs().QueryString()),
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zap.Uint64("id", ctx.ID()))
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h(ctx)
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})
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}
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