Migrate to new release of NeoFS API

- migrate to new release NeoFS API / CDN SDK
- add `Last-Modified` header

Signed-off-by: Evgeniy Kulikov <kim@nspcc.ru>

app.go

@@ -6,7 +6,6 @@ import (
 	"crypto/elliptic"
 	"crypto/rand"
 	"strconv"
-	"time"
 
 	"github.com/fasthttp/router"
 	sdk "github.com/nspcc-dev/cdn-neofs-sdk"
@@ -35,9 +34,6 @@ type (
 
 		jobDone chan struct{}
 		webDone chan struct{}
-
-		conTimeout time.Duration
-		reqTimeout time.Duration
 	}
 
 	App interface {
@@ -87,8 +83,9 @@ func newApp(ctx context.Context, opt ...Option) App {
 		grpclog.SetLoggerV2(a.wlog)
 	}
 
-	a.conTimeout = a.cfg.GetDuration("connect_timeout")
-	a.reqTimeout = a.cfg.GetDuration("request_timeout")
+	conTimeout := a.cfg.GetDuration("connect_timeout")
+	reqTimeout := a.cfg.GetDuration("request_timeout")
+	tckTimeout := a.cfg.GetDuration("rebalance_timer")
 
 	// -- setup FastHTTP server: --
 	a.web.Name = "neofs-http-gate"
@@ -111,6 +108,9 @@ func newApp(ctx context.Context, opt ...Option) App {
 		}
 
 		connections[address] = weight
+		a.log.Info("add connection peer",
+			zap.String("address", address),
+			zap.Float64("weight", weight))
 	}
 
 	cred, err := prepareCredentials(a.cfg.GetString("key"), a.log)
@@ -122,6 +122,10 @@ func newApp(ctx context.Context, opt ...Option) App {
 		pool.WithLogger(a.log),
 		pool.WithCredentials(cred),
 		pool.WithWeightPool(connections),
+		pool.WithTickerTimeout(tckTimeout),
+		pool.WithConnectTimeout(conTimeout),
+		pool.WithRequestTimeout(reqTimeout),
+		pool.WithAPIPreparer(sdk.APIPreparer),
 		pool.WithGRPCOptions(
 			grpc.WithBlock(),
 			grpc.WithInsecure(),
@@ -138,7 +142,8 @@ func newApp(ctx context.Context, opt ...Option) App {
 	a.cli, err = sdk.New(ctx,
 		sdk.WithLogger(a.log),
 		sdk.WithCredentials(cred),
-		sdk.WithConnectionPool(a.pool))
+		sdk.WithConnectionPool(a.pool),
+		sdk.WithAPIPreparer(sdk.APIPreparer))
 	if err != nil {
 		a.log.Fatal("could not prepare sdk client", zap.Error(err))
 	}
@@ -148,6 +153,8 @@ func newApp(ctx context.Context, opt ...Option) App {
 
 func prepareCredentials(key string, log *zap.Logger) (neofs.Credentials, error) {
 	if key == generated {
+		log.Fatal("Don't use generated key, deprecated")
+
 		sk, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
 		if err != nil {
 			return nil, err

go.mod

@@ -4,8 +4,8 @@ go 1.13
 
 require (
 	github.com/fasthttp/router v1.1.6
-	github.com/nspcc-dev/cdn-neofs-sdk v0.0.0-20201113175725-f448ffe8047c
-	github.com/nspcc-dev/neofs-api-go v0.0.0-20201029071528-352e99d9b91a
+	github.com/nspcc-dev/cdn-neofs-sdk v0.0.0
+	github.com/nspcc-dev/neofs-api-go v1.20.2
 	github.com/nspcc-dev/neofs-crypto v0.3.0
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.6.0
@@ -16,3 +16,5 @@ require (
 	go.uber.org/zap v1.16.0
 	google.golang.org/grpc v1.33.1
 )
+
+replace github.com/nspcc-dev/cdn-neofs-sdk => ../sdk

go.sum

@@ -220,8 +220,6 @@ github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3Rllmb
 github.com/mr-tron/base58 v1.1.2 h1:ZEw4I2EgPKDJ2iEw0cNmLB3ROrEmkOtXIkaG7wZg+78=
 github.com/mr-tron/base58 v1.1.2/go.mod h1:BinMc/sQntlIE1frQmRFPUoPA1Zkr8VRgBdjWI2mNwc=
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
-github.com/nspcc-dev/cdn-neofs-sdk v0.0.0-20201113175725-f448ffe8047c h1:la/q4996O/wKifXCFWQ4WKOxnQLVtaEeGJBVlQ/AUyY=
-github.com/nspcc-dev/cdn-neofs-sdk v0.0.0-20201113175725-f448ffe8047c/go.mod h1:p/YXjSDO2pJ5JwYKrLwVKIxdcVStjFxD0gfzIrwy5eY=
 github.com/nspcc-dev/dbft v0.0.0-20191205084618-dacb1a30c254/go.mod h1:w1Ln2aT+dBlPhLnuZhBV+DfPEdS2CHWWLp5JTScY3bw=
 github.com/nspcc-dev/dbft v0.0.0-20191209120240-0d6b7568d9ae/go.mod h1:3FjXOoHmA51EGfb5GS/HOv7VdmngNRTssSeQ729dvGY=
 github.com/nspcc-dev/dbft v0.0.0-20200117124306-478e5cfbf03a/go.mod h1:/YFK+XOxxg0Bfm6P92lY5eDSLYfp06XOdL8KAVgXjVk=
@@ -232,8 +230,8 @@ github.com/nspcc-dev/hrw v1.0.9/go.mod h1:l/W2vx83vMQo6aStyx2AuZrJ+07lGv2JQGlVkP
 github.com/nspcc-dev/neo-go v0.73.1-pre.0.20200303142215-f5a1b928ce09/go.mod h1:pPYwPZ2ks+uMnlRLUyXOpLieaDQSEaf4NM3zHVbRjmg=
 github.com/nspcc-dev/neo-go v0.91.0 h1:KKOPMKs0fm8JIau1SuwxiLdrZ+1kDPBiVRlWwzfebWE=
 github.com/nspcc-dev/neo-go v0.91.0/go.mod h1:G6HdOWvzQ6tlvFdvFSN/PgCzLPN/X/X4d5hTjFRUDcc=
-github.com/nspcc-dev/neofs-api-go v0.0.0-20201029071528-352e99d9b91a h1:A/8D9A9Fbp4tw1xGgfZB0vtPKEQ/LYq0l7DFuM4KeS4=
-github.com/nspcc-dev/neofs-api-go v0.0.0-20201029071528-352e99d9b91a/go.mod h1:G7dqincfdjBrAbL5nxVp82emF05fSVEqe59ICsoRDI8=
+github.com/nspcc-dev/neofs-api-go v1.20.2 h1:jOsfgOQdKhg7gTAGciRdIdOJxYX72CxqgkwaqzEscHw=
+github.com/nspcc-dev/neofs-api-go v1.20.2/go.mod h1:G7dqincfdjBrAbL5nxVp82emF05fSVEqe59ICsoRDI8=
 github.com/nspcc-dev/neofs-crypto v0.2.0/go.mod h1:F/96fUzPM3wR+UGsPi3faVNmFlA9KAEAUQR7dMxZmNA=
 github.com/nspcc-dev/neofs-crypto v0.2.3/go.mod h1:8w16GEJbH6791ktVqHN9YRNH3s9BEEKYxGhlFnp0cDw=
 github.com/nspcc-dev/neofs-crypto v0.3.0 h1:zlr3pgoxuzrmGCxc5W8dGVfA9Rro8diFvVnBg0L4ifM=

receive.go

@@ -89,19 +89,34 @@ func (a *app) receiveFile(c *fasthttp.RequestCtx) {
 		disp = "attachment"
 	}
 
-	c.Response.Header.Set("Content-Length", strconv.FormatUint(obj.GetPayloadSize(), 10))
-	c.Response.Header.Set("x-object-id", obj.GetID().String())
-	c.Response.Header.Set("x-owner-id", obj.GetOwnerID().String())
-	c.Response.Header.Set("x-container-id", obj.GetContainerID().String())
+	c.Response.Header.Set("Content-Length", strconv.FormatUint(obj.PayloadSize(), 10))
+	c.Response.Header.Set("x-object-id", obj.ID().String())
+	c.Response.Header.Set("x-owner-id", obj.OwnerID().String())
+	c.Response.Header.Set("x-container-id", obj.ContainerID().String())
 
-	for _, attr := range obj.GetAttributes() {
-		key := attr.GetKey()
-		val := attr.GetValue()
-		if key == object.AttributeFileName {
-			filename = val
-		}
+	for _, attr := range obj.Attributes() {
+		key := attr.Key()
+		val := attr.Value()
 
 		c.Response.Header.Set("x-"+key, val)
+
+		switch key {
+		case object.AttributeFileName:
+			filename = val
+		case object.AttributeTimestamp:
+			value, err := strconv.ParseInt(val, 10, 64)
+			if err != nil {
+				a.log.Info("couldn't parse creation date",
+					zap.String("key", key),
+					zap.String("val", val),
+					zap.Error(err))
+				continue
+			}
+
+			c.Response.Header.Set("Last-Modified",
+				time.Unix(value, 0).Format(time.RFC1123))
+		}
+
 	}
 
 	c.SetContentType(writer.contentType)