Merge pull request #5649 from ipfs/feat/gateway-nofetch

Local Gateway option
ipfs · Jan 7, 2019 · a142aec · a142aec
2 parents f98652c + 818e0e4
commit a142aec
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Showing 39 changed files with 158 additions and 73 deletions.
diff --git a/cmd/ipfs/daemon.go b/cmd/ipfs/daemon.go
@@ -560,13 +560,16 @@ func serveHTTPGateway(req *cmds.Request, cctx *oldcmds.Context) (<-chan error, e
 		listeners = append(listeners, gwLis)
 	}
 
+	cmdctx := *cctx
+	cmdctx.Gateway = true
+
 	var opts = []corehttp.ServeOption{
 		corehttp.MetricsCollectionOption("gateway"),
 		corehttp.IPNSHostnameOption(),
 		corehttp.GatewayOption(writable, "/ipfs", "/ipns"),
 		corehttp.VersionOption(),
 		corehttp.CheckVersionOption(),
-		corehttp.CommandsROOption(*cctx),
+		corehttp.CommandsROOption(cmdctx),
 	}
 
 	if cfg.Experimental.P2pHttpProxy {

diff --git a/cmd/ipfs/init.go b/cmd/ipfs/init.go
@@ -16,9 +16,9 @@ import (
 	namesys "github.com/ipfs/go-ipfs/namesys"
 	fsrepo "github.com/ipfs/go-ipfs/repo/fsrepo"
 
+	"gx/ipfs/QmRd5T3VmYoX6jaNoZovFRQcwWHJqHgTVQTs1Qz92ELJ7C/go-ipfs-config"
 	"gx/ipfs/QmXWZCd8jfaHmt4UDSnjKmGcrQMw95bDGWqEeVLVJjoANX/go-ipfs-files"
 	"gx/ipfs/QmaAP56JAwdjwisPTu4yx17whcjTr6y5JCSCF77Y1rahWV/go-ipfs-cmds"
-	"gx/ipfs/QmcZfkbgwwwH5ZLTQRHkSQBDiDqd3skY2eU6MZRgWuXcse/go-ipfs-config"
 	"gx/ipfs/Qmde5VP1qUkyQXKCfmEUA7bP64V2HAptbJ7phuPp7jXWwg/go-ipfs-cmdkit"
 )
 

diff --git a/cmd/ipfs/main.go b/cmd/ipfs/main.go
@@ -25,12 +25,12 @@ import (
 	loggables "gx/ipfs/QmQSREHX6CMoPkT5FfuA4A9cWSFwoKY8RAzjf5m7Gpdtqu/go-libp2p-loggables"
 	manet "gx/ipfs/QmQVUtnrNGtCRkCMpXgpApfzQjc8FDaDVxHqWH8cnZQeh5/go-multiaddr-net"
 	ma "gx/ipfs/QmRKLtwMw131aK7ugC3G7ybpumMz78YrJe5dzneyindvG1/go-multiaddr"
+	"gx/ipfs/QmRd5T3VmYoX6jaNoZovFRQcwWHJqHgTVQTs1Qz92ELJ7C/go-ipfs-config"
 	madns "gx/ipfs/QmT4zgnKCyZBpRyxzsvZqUjzUkMWLJ2pZCw7uk6M6Kto5m/go-multiaddr-dns"
 	osh "gx/ipfs/QmXuBJ7DR6k3rmUEKtvVMhwjmXDuJgXXPUt4LQXKBMsU93/go-os-helper"
 	"gx/ipfs/QmaAP56JAwdjwisPTu4yx17whcjTr6y5JCSCF77Y1rahWV/go-ipfs-cmds"
 	"gx/ipfs/QmaAP56JAwdjwisPTu4yx17whcjTr6y5JCSCF77Y1rahWV/go-ipfs-cmds/cli"
 	"gx/ipfs/QmaAP56JAwdjwisPTu4yx17whcjTr6y5JCSCF77Y1rahWV/go-ipfs-cmds/http"
-	"gx/ipfs/QmcZfkbgwwwH5ZLTQRHkSQBDiDqd3skY2eU6MZRgWuXcse/go-ipfs-config"
 	logging "gx/ipfs/QmcuXC5cxs79ro2cUuHs4HQ2bkDLJUYokwL8aivcX6HW3C/go-log"
 )
 

diff --git a/cmd/ipfswatch/main.go b/cmd/ipfswatch/main.go
@@ -15,8 +15,8 @@ import (
 	coreunix "github.com/ipfs/go-ipfs/core/coreunix"
 	fsrepo "github.com/ipfs/go-ipfs/repo/fsrepo"
 
+	config "gx/ipfs/QmRd5T3VmYoX6jaNoZovFRQcwWHJqHgTVQTs1Qz92ELJ7C/go-ipfs-config"
 	process "gx/ipfs/QmSF8fPo3jgVBAy8fpdjjYqgG87dkJgUprRBHRd2tmfgpP/goprocess"
-	config "gx/ipfs/QmcZfkbgwwwH5ZLTQRHkSQBDiDqd3skY2eU6MZRgWuXcse/go-ipfs-config"
 	homedir "gx/ipfs/QmdcULN1WCzgoQmcCaUAmEhwcxHYsDrbZ2LvRJKCL8dMrK/go-homedir"
 	fsnotify "gx/ipfs/QmfNjggF4Pt6erqg3NDafD3MdvDHk1qqCVr8pL5hnPucS8/fsnotify"
 )

diff --git a/commands/context.go b/commands/context.go
@@ -9,10 +9,11 @@ import (
 	core "github.com/ipfs/go-ipfs/core"
 	coreapi "github.com/ipfs/go-ipfs/core/coreapi"
 	coreiface "github.com/ipfs/go-ipfs/core/coreapi/interface"
+	options "github.com/ipfs/go-ipfs/core/coreapi/interface/options"
 	loader "github.com/ipfs/go-ipfs/plugin/loader"
 
+	config "gx/ipfs/QmRd5T3VmYoX6jaNoZovFRQcwWHJqHgTVQTs1Qz92ELJ7C/go-ipfs-config"
 	"gx/ipfs/QmaAP56JAwdjwisPTu4yx17whcjTr6y5JCSCF77Y1rahWV/go-ipfs-cmds"
-	config "gx/ipfs/QmcZfkbgwwwH5ZLTQRHkSQBDiDqd3skY2eU6MZRgWuXcse/go-ipfs-config"
 	logging "gx/ipfs/QmcuXC5cxs79ro2cUuHs4HQ2bkDLJUYokwL8aivcX6HW3C/go-log"
 )
 
@@ -29,6 +30,7 @@ type Context struct {
 	config     *config.Config
 	LoadConfig func(path string) (*config.Config, error)
 
+	Gateway       bool
 	api           coreiface.CoreAPI
 	node          *core.IpfsNode
 	ConstructNode func() (*core.IpfsNode, error)
@@ -68,7 +70,16 @@ func (c *Context) GetAPI() (coreiface.CoreAPI, error) {
 		if err != nil {
 			return nil, err
 		}
-		c.api, err = coreapi.NewCoreAPI(n)
+		fetchBlocks := true
+		if c.Gateway {
+			cfg, err := c.GetConfig()
+			if err != nil {
+				return nil, err
+			}
+			fetchBlocks = !cfg.Gateway.NoFetch
+		}
+
+		c.api, err = coreapi.NewCoreAPI(n, options.Api.FetchBlocks(fetchBlocks))
 		if err != nil {
 			return nil, err
 		}

diff --git a/core/bootstrap.go b/core/bootstrap.go
@@ -13,12 +13,12 @@ import (
 	lgbl "gx/ipfs/QmQSREHX6CMoPkT5FfuA4A9cWSFwoKY8RAzjf5m7Gpdtqu/go-libp2p-loggables"
 
 	inet "gx/ipfs/QmPtFaR7BWHLAjSwLh9kXcyrgTzDpuhcWLkx8ioa9RMYnx/go-libp2p-net"
+	config "gx/ipfs/QmRd5T3VmYoX6jaNoZovFRQcwWHJqHgTVQTs1Qz92ELJ7C/go-ipfs-config"
 	goprocess "gx/ipfs/QmSF8fPo3jgVBAy8fpdjjYqgG87dkJgUprRBHRd2tmfgpP/goprocess"
 	procctx "gx/ipfs/QmSF8fPo3jgVBAy8fpdjjYqgG87dkJgUprRBHRd2tmfgpP/goprocess/context"
 	periodicproc "gx/ipfs/QmSF8fPo3jgVBAy8fpdjjYqgG87dkJgUprRBHRd2tmfgpP/goprocess/periodic"
 	peer "gx/ipfs/QmY5Grm8pJdiSSVsYxx4uNRgweY72EmYwuSDbRnbFok3iY/go-libp2p-peer"
 	pstore "gx/ipfs/QmZ9zH2FnLcxv1xyzFeUpDUeo55xEhZQHgveZijcxr7TLj/go-libp2p-peerstore"
-	config "gx/ipfs/QmcZfkbgwwwH5ZLTQRHkSQBDiDqd3skY2eU6MZRgWuXcse/go-ipfs-config"
 	host "gx/ipfs/QmfD51tKgJiTMnW9JEiDiPwsCY4mqUoxkhKhBfyW12spTC/go-libp2p-host"
 )
 

diff --git a/core/bootstrap_test.go b/core/bootstrap_test.go
@@ -5,8 +5,8 @@ import (
 	"testing"
 
 	testutil "gx/ipfs/QmPuhRE325DR8ChNcFtgd6F1eANCHy1oohXZPpYop4xsK6/go-testutil"
+	config "gx/ipfs/QmRd5T3VmYoX6jaNoZovFRQcwWHJqHgTVQTs1Qz92ELJ7C/go-ipfs-config"
 	pstore "gx/ipfs/QmZ9zH2FnLcxv1xyzFeUpDUeo55xEhZQHgveZijcxr7TLj/go-libp2p-peerstore"
-	config "gx/ipfs/QmcZfkbgwwwH5ZLTQRHkSQBDiDqd3skY2eU6MZRgWuXcse/go-ipfs-config"
 )
 
 func TestSubsetWhenMaxIsGreaterThanLengthOfSlice(t *testing.T) {

diff --git a/core/builder.go b/core/builder.go
@@ -20,6 +20,7 @@ import (
 	bserv "gx/ipfs/QmPoh3SrQzFBWtdGK6qmHDV4EanKR6kYPj4DD3J2NLoEmZ/go-blockservice"
 	ipns "gx/ipfs/QmPrt2JqvtFcgMBmYBjtZ5jFzq6HoFXy8PTwLb2Dpm2cGf/go-ipns"
 	libp2p "gx/ipfs/QmRBaUEQEeFWywfrZJ64QgsmvcqgLSK3VbvGMR2NM2Edpf/go-libp2p"
+	cfg "gx/ipfs/QmRd5T3VmYoX6jaNoZovFRQcwWHJqHgTVQTs1Qz92ELJ7C/go-ipfs-config"
 	bstore "gx/ipfs/QmS2aqUZLJp8kF1ihE5rvDGE5LvmKDPnx32w9Z1BW9xLV5/go-ipfs-blockstore"
 	goprocessctx "gx/ipfs/QmSF8fPo3jgVBAy8fpdjjYqgG87dkJgUprRBHRd2tmfgpP/goprocess/context"
 	peer "gx/ipfs/QmY5Grm8pJdiSSVsYxx4uNRgweY72EmYwuSDbRnbFok3iY/go-libp2p-peer"
@@ -28,7 +29,6 @@ import (
 	pstoremem "gx/ipfs/QmZ9zH2FnLcxv1xyzFeUpDUeo55xEhZQHgveZijcxr7TLj/go-libp2p-peerstore/pstoremem"
 	resolver "gx/ipfs/QmZErC2Ay6WuGi96CPg316PwitdwgLo6RxZRqVjJjRj2MR/go-path/resolver"
 	uio "gx/ipfs/Qmbvw7kpSM2p6rbQ57WGRhhqNfCiNGW6EKH4xgHLw4bsnB/go-unixfs/io"
-	cfg "gx/ipfs/QmcZfkbgwwwH5ZLTQRHkSQBDiDqd3skY2eU6MZRgWuXcse/go-ipfs-config"
 	dag "gx/ipfs/QmdV35UHnL1FM52baPkeUo6u7Fxm2CRUkPTLRPxeF8a4Ap/go-merkledag"
 	offroute "gx/ipfs/QmdmWkx54g7VfVyxeG8ic84uf4G6Eq1GohuyKA3XDuJ8oC/go-ipfs-routing/offline"
 	metrics "gx/ipfs/QmekzFM3hPZjTjUFGTABdQkEnQ3PTiMstY198PwSFr5w1Q/go-metrics-interface"

diff --git a/core/commands/bootstrap.go b/core/commands/bootstrap.go
@@ -9,8 +9,8 @@ import (
 	repo "github.com/ipfs/go-ipfs/repo"
 	fsrepo "github.com/ipfs/go-ipfs/repo/fsrepo"
 
+	config "gx/ipfs/QmRd5T3VmYoX6jaNoZovFRQcwWHJqHgTVQTs1Qz92ELJ7C/go-ipfs-config"
 	cmds "gx/ipfs/QmaAP56JAwdjwisPTu4yx17whcjTr6y5JCSCF77Y1rahWV/go-ipfs-cmds"
-	config "gx/ipfs/QmcZfkbgwwwH5ZLTQRHkSQBDiDqd3skY2eU6MZRgWuXcse/go-ipfs-config"
 	cmdkit "gx/ipfs/Qmde5VP1qUkyQXKCfmEUA7bP64V2HAptbJ7phuPp7jXWwg/go-ipfs-cmdkit"
 )
 

diff --git a/core/commands/cmdenv/env.go b/core/commands/cmdenv/env.go
@@ -9,8 +9,8 @@ import (
 	coreiface "github.com/ipfs/go-ipfs/core/coreapi/interface"
 	options "github.com/ipfs/go-ipfs/core/coreapi/interface/options"
 
+	config "gx/ipfs/QmRd5T3VmYoX6jaNoZovFRQcwWHJqHgTVQTs1Qz92ELJ7C/go-ipfs-config"
 	cmds "gx/ipfs/QmaAP56JAwdjwisPTu4yx17whcjTr6y5JCSCF77Y1rahWV/go-ipfs-cmds"
-	config "gx/ipfs/QmcZfkbgwwwH5ZLTQRHkSQBDiDqd3skY2eU6MZRgWuXcse/go-ipfs-config"
 	logging "gx/ipfs/QmcuXC5cxs79ro2cUuHs4HQ2bkDLJUYokwL8aivcX6HW3C/go-log"
 )
 

diff --git a/core/commands/config.go b/core/commands/config.go
@@ -15,8 +15,8 @@ import (
 	"github.com/ipfs/go-ipfs/repo/fsrepo"
 
 	"gx/ipfs/QmP2i47tnU23ijdshrZtuvrSkQPtf9HhsMb9fwGVe8owj2/jsondiff"
+	"gx/ipfs/QmRd5T3VmYoX6jaNoZovFRQcwWHJqHgTVQTs1Qz92ELJ7C/go-ipfs-config"
 	"gx/ipfs/QmaAP56JAwdjwisPTu4yx17whcjTr6y5JCSCF77Y1rahWV/go-ipfs-cmds"
-	"gx/ipfs/QmcZfkbgwwwH5ZLTQRHkSQBDiDqd3skY2eU6MZRgWuXcse/go-ipfs-config"
 	"gx/ipfs/Qmde5VP1qUkyQXKCfmEUA7bP64V2HAptbJ7phuPp7jXWwg/go-ipfs-cmdkit"
 )
 

diff --git a/core/commands/mount_unix.go b/core/commands/mount_unix.go
@@ -9,8 +9,8 @@ import (
 	cmdenv "github.com/ipfs/go-ipfs/core/commands/cmdenv"
 	nodeMount "github.com/ipfs/go-ipfs/fuse/node"
 
+	config "gx/ipfs/QmRd5T3VmYoX6jaNoZovFRQcwWHJqHgTVQTs1Qz92ELJ7C/go-ipfs-config"
 	cmds "gx/ipfs/QmaAP56JAwdjwisPTu4yx17whcjTr6y5JCSCF77Y1rahWV/go-ipfs-cmds"
-	config "gx/ipfs/QmcZfkbgwwwH5ZLTQRHkSQBDiDqd3skY2eU6MZRgWuXcse/go-ipfs-config"
 	cmdkit "gx/ipfs/Qmde5VP1qUkyQXKCfmEUA7bP64V2HAptbJ7phuPp7jXWwg/go-ipfs-cmdkit"
 )
 

diff --git a/core/commands/repo.go b/core/commands/repo.go
@@ -17,9 +17,9 @@ import (
 	fsrepo "github.com/ipfs/go-ipfs/repo/fsrepo"
 
 	cid "gx/ipfs/QmR8BauakNcBa3RbE4nbQu76PDiJgoQgz8AJdhJuiU4TAw/go-cid"
+	config "gx/ipfs/QmRd5T3VmYoX6jaNoZovFRQcwWHJqHgTVQTs1Qz92ELJ7C/go-ipfs-config"
 	bstore "gx/ipfs/QmS2aqUZLJp8kF1ihE5rvDGE5LvmKDPnx32w9Z1BW9xLV5/go-ipfs-blockstore"
 	cmds "gx/ipfs/QmaAP56JAwdjwisPTu4yx17whcjTr6y5JCSCF77Y1rahWV/go-ipfs-cmds"
-	config "gx/ipfs/QmcZfkbgwwwH5ZLTQRHkSQBDiDqd3skY2eU6MZRgWuXcse/go-ipfs-config"
 	cmdkit "gx/ipfs/Qmde5VP1qUkyQXKCfmEUA7bP64V2HAptbJ7phuPp7jXWwg/go-ipfs-cmdkit"
 )
 

diff --git a/core/commands/swarm.go b/core/commands/swarm.go
@@ -15,12 +15,12 @@ import (
 	inet "gx/ipfs/QmPtFaR7BWHLAjSwLh9kXcyrgTzDpuhcWLkx8ioa9RMYnx/go-libp2p-net"
 	swarm "gx/ipfs/QmQdLXW5JTSsrVb3ZpnpbASRwyM8CcE4XcM5nPbN19dWLr/go-libp2p-swarm"
 	ma "gx/ipfs/QmRKLtwMw131aK7ugC3G7ybpumMz78YrJe5dzneyindvG1/go-multiaddr"
+	config "gx/ipfs/QmRd5T3VmYoX6jaNoZovFRQcwWHJqHgTVQTs1Qz92ELJ7C/go-ipfs-config"
 	mafilter "gx/ipfs/QmSMZwvs3n4GBikZ7hKzT17c3bk65FmyZo2JqtJ16swqCv/multiaddr-filter"
 	iaddr "gx/ipfs/QmSzEdVLaPMQGAKKGo4mKjsbWcfz6w8CoDjhRPxdk7xYdn/go-ipfs-addr"
 	peer "gx/ipfs/QmY5Grm8pJdiSSVsYxx4uNRgweY72EmYwuSDbRnbFok3iY/go-libp2p-peer"
 	pstore "gx/ipfs/QmZ9zH2FnLcxv1xyzFeUpDUeo55xEhZQHgveZijcxr7TLj/go-libp2p-peerstore"
 	cmds "gx/ipfs/QmaAP56JAwdjwisPTu4yx17whcjTr6y5JCSCF77Y1rahWV/go-ipfs-cmds"
-	config "gx/ipfs/QmcZfkbgwwwH5ZLTQRHkSQBDiDqd3skY2eU6MZRgWuXcse/go-ipfs-config"
 	cmdkit "gx/ipfs/Qmde5VP1qUkyQXKCfmEUA7bP64V2HAptbJ7phuPp7jXWwg/go-ipfs-cmdkit"
 )
 

diff --git a/core/core.go b/core/core.go
@@ -45,6 +45,7 @@ import (
 	rhost "gx/ipfs/QmRBaUEQEeFWywfrZJ64QgsmvcqgLSK3VbvGMR2NM2Edpf/go-libp2p/p2p/host/routed"
 	identify "gx/ipfs/QmRBaUEQEeFWywfrZJ64QgsmvcqgLSK3VbvGMR2NM2Edpf/go-libp2p/p2p/protocol/identify"
 	ma "gx/ipfs/QmRKLtwMw131aK7ugC3G7ybpumMz78YrJe5dzneyindvG1/go-multiaddr"
+	config "gx/ipfs/QmRd5T3VmYoX6jaNoZovFRQcwWHJqHgTVQTs1Qz92ELJ7C/go-ipfs-config"
 	ifconnmgr "gx/ipfs/QmRkzmq686MdtAVHZLncm3sXCzyFzBq4eLxk2rch2r788f/go-libp2p-interface-connmgr"
 	bstore "gx/ipfs/QmS2aqUZLJp8kF1ihE5rvDGE5LvmKDPnx32w9Z1BW9xLV5/go-ipfs-blockstore"
 	goprocess "gx/ipfs/QmSF8fPo3jgVBAy8fpdjjYqgG87dkJgUprRBHRd2tmfgpP/goprocess"
@@ -67,7 +68,6 @@ import (
 	metrics "gx/ipfs/QmbYN6UmTJn5UUQdi5CTsU86TXVBSrTcRk5UmyA36Qx2J6/go-libp2p-metrics"
 	ft "gx/ipfs/Qmbvw7kpSM2p6rbQ57WGRhhqNfCiNGW6EKH4xgHLw4bsnB/go-unixfs"
 	ipld "gx/ipfs/QmcKKBwfz6FyQdHR2jsXrrF6XeSBXYL86anmWNewpFpoF5/go-ipld-format"
-	config "gx/ipfs/QmcZfkbgwwwH5ZLTQRHkSQBDiDqd3skY2eU6MZRgWuXcse/go-ipfs-config"
 	logging "gx/ipfs/QmcuXC5cxs79ro2cUuHs4HQ2bkDLJUYokwL8aivcX6HW3C/go-log"
 	autonat "gx/ipfs/QmdFdMoDmvuEJYsAKRA2BMobzNaeunmc16DqPxdHHfQ25K/go-libp2p-autonat-svc"
 	merkledag "gx/ipfs/QmdV35UHnL1FM52baPkeUo6u7Fxm2CRUkPTLRPxeF8a4Ap/go-merkledag"

diff --git a/core/core_test.go b/core/core_test.go
@@ -7,7 +7,7 @@ import (
 
 	"github.com/ipfs/go-ipfs/repo"
 
-	config "gx/ipfs/QmcZfkbgwwwH5ZLTQRHkSQBDiDqd3skY2eU6MZRgWuXcse/go-ipfs-config"
+	config "gx/ipfs/QmRd5T3VmYoX6jaNoZovFRQcwWHJqHgTVQTs1Qz92ELJ7C/go-ipfs-config"
 	datastore "gx/ipfs/Qmf4xQhNomPNhrtZc67qSnfJSjxjXs9LWvknJtSXwimPrM/go-datastore"
 	syncds "gx/ipfs/Qmf4xQhNomPNhrtZc67qSnfJSjxjXs9LWvknJtSXwimPrM/go-datastore/sync"
 )

diff --git a/core/coreapi/coreapi.go b/core/coreapi/coreapi.go
@@ -210,11 +210,12 @@ func (api *CoreAPI) WithOptions(opts ...options.ApiOption) (coreiface.CoreAPI, e
 		subApi.peerstore = nil
 		subApi.peerHost = nil
 		subApi.recordValidator = nil
+	}
 
+	if settings.Offline || !settings.FetchBlocks {
 		subApi.exchange = offlinexch.Exchange(subApi.blockstore)
-		subApi.blocks = bserv.New(api.blockstore, subApi.exchange)
+		subApi.blocks = bserv.New(subApi.blockstore, subApi.exchange)
 		subApi.dag = dag.NewDAGService(subApi.blocks)
-
 	}
 
 	return subApi, nil

diff --git a/core/coreapi/interface/options/global.go b/core/coreapi/interface/options/global.go
@@ -1,14 +1,16 @@
 package options
 
 type ApiSettings struct {
-	Offline bool
+	Offline     bool
+	FetchBlocks bool
 }
 
 type ApiOption func(*ApiSettings) error
 
 func ApiOptions(opts ...ApiOption) (*ApiSettings, error) {
 	options := &ApiSettings{
-		Offline: false,
+		Offline:     false,
+		FetchBlocks: true,
 	}
 
 	return ApiOptionsTo(options, opts...)
@@ -34,3 +36,12 @@ func (apiOpts) Offline(offline bool) ApiOption {
 		return nil
 	}
 }
+
+// FetchBlocks when set to false prevents api from fetching blocks from the
+// network while allowing other services such as IPNS to still be online
+func (apiOpts) FetchBlocks(fetch bool) ApiOption {
+	return func(settings *ApiSettings) error {
+		settings.FetchBlocks = fetch
+		return nil
+	}
+}
diff --git a/core/coreapi/interface/path.go b/core/coreapi/interface/path.go
@@ -1,9 +1,8 @@
 package iface
 
 import (
+	"gx/ipfs/QmR8BauakNcBa3RbE4nbQu76PDiJgoQgz8AJdhJuiU4TAw/go-cid"
 	ipfspath "gx/ipfs/QmZErC2Ay6WuGi96CPg316PwitdwgLo6RxZRqVjJjRj2MR/go-path"
-
-	cid "gx/ipfs/QmR8BauakNcBa3RbE4nbQu76PDiJgoQgz8AJdhJuiU4TAw/go-cid"
 )
 
 //TODO: merge with ipfspath so we don't depend on it
@@ -106,6 +105,12 @@ type resolvedPath struct {
 	remainder string
 }
 
+// Join appends provided segments to the base path
+func Join(base Path, a ...string) Path {
+	s := ipfspath.Join(append([]string{base.String()}, a...))
+	return &path{path: ipfspath.FromString(s)}
+}
+
 // IpfsPath creates new /ipfs path from the provided CID
 func IpfsPath(c cid.Cid) ResolvedPath {
 	return &resolvedPath{

diff --git a/core/coreapi/interface/tests/path.go b/core/coreapi/interface/tests/path.go
@@ -15,6 +15,7 @@ func (tp *provider) TestPath(t *testing.T) {
 	t.Run("TestEmptyPathRemainder", tp.TestEmptyPathRemainder)
 	t.Run("TestInvalidPathRemainder", tp.TestInvalidPathRemainder)
 	t.Run("TestPathRoot", tp.TestPathRoot)
+	t.Run("TestPathJoin", tp.TestPathJoin)
 }
 
 func (tp *provider) TestMutablePath(t *testing.T) {
@@ -165,3 +166,14 @@ func (tp *provider) TestPathRoot(t *testing.T) {
 		t.Error("unexpected path cid")
 	}
 }
+
+func (tp *provider) TestPathJoin(t *testing.T) {
+	p1, err := coreiface.ParsePath("/ipfs/QmYNmQKp6SuaVrpgWRsPTgCQCnpxUYGq76YEKBXuj2N4H6/bar/baz")
+	if err != nil {
+		t.Error(err)
+	}
+
+	if coreiface.Join(p1, "foo").String() != "/ipfs/QmYNmQKp6SuaVrpgWRsPTgCQCnpxUYGq76YEKBXuj2N4H6/bar/baz/foo" {
+		t.Error("unexpected path")
+	}
+}
diff --git a/core/coreapi/test/api_test.go b/core/coreapi/test/api_test.go
@@ -16,9 +16,9 @@ import (
 
 	ci "gx/ipfs/QmNiJiXwWE3kRhZrC5ej3kSjWHm337pYfhjLGSCDNKJP2s/go-libp2p-crypto"
 	"gx/ipfs/QmRBaUEQEeFWywfrZJ64QgsmvcqgLSK3VbvGMR2NM2Edpf/go-libp2p/p2p/net/mock"
+	"gx/ipfs/QmRd5T3VmYoX6jaNoZovFRQcwWHJqHgTVQTs1Qz92ELJ7C/go-ipfs-config"
 	"gx/ipfs/QmY5Grm8pJdiSSVsYxx4uNRgweY72EmYwuSDbRnbFok3iY/go-libp2p-peer"
 	pstore "gx/ipfs/QmZ9zH2FnLcxv1xyzFeUpDUeo55xEhZQHgveZijcxr7TLj/go-libp2p-peerstore"
-	"gx/ipfs/QmcZfkbgwwwH5ZLTQRHkSQBDiDqd3skY2eU6MZRgWuXcse/go-ipfs-config"
 	"gx/ipfs/Qmf4xQhNomPNhrtZc67qSnfJSjxjXs9LWvknJtSXwimPrM/go-datastore"
 	syncds "gx/ipfs/Qmf4xQhNomPNhrtZc67qSnfJSjxjXs9LWvknJtSXwimPrM/go-datastore/sync"
 )

diff --git a/core/coreapi/unixfile.go b/core/coreapi/unixfile.go
@@ -119,7 +119,12 @@ func (d *ufsDirectory) Entries() files.DirIterator {
 }
 
 func (d *ufsDirectory) Size() (int64, error) {
-	return 0, files.ErrNotSupported
+	n, err := d.dir.GetNode()
+	if err != nil {
+		return 0, err
+	}
+	s, err := n.Size()
+	return int64(s), err
 }
 
 type ufsFile struct {

diff --git a/core/corehttp/commands.go b/core/corehttp/commands.go
@@ -14,10 +14,10 @@ import (
 	"github.com/ipfs/go-ipfs/core"
 	corecommands "github.com/ipfs/go-ipfs/core/commands"
 
+	config "gx/ipfs/QmRd5T3VmYoX6jaNoZovFRQcwWHJqHgTVQTs1Qz92ELJ7C/go-ipfs-config"
 	path "gx/ipfs/QmZErC2Ay6WuGi96CPg316PwitdwgLo6RxZRqVjJjRj2MR/go-path"
 	cmds "gx/ipfs/QmaAP56JAwdjwisPTu4yx17whcjTr6y5JCSCF77Y1rahWV/go-ipfs-cmds"
 	cmdsHttp "gx/ipfs/QmaAP56JAwdjwisPTu4yx17whcjTr6y5JCSCF77Y1rahWV/go-ipfs-cmds/http"
-	config "gx/ipfs/QmcZfkbgwwwH5ZLTQRHkSQBDiDqd3skY2eU6MZRgWuXcse/go-ipfs-config"
 )
 
 var (

diff --git a/core/corehttp/gateway.go b/core/corehttp/gateway.go
@@ -8,6 +8,7 @@ import (
 	version "github.com/ipfs/go-ipfs"
 	core "github.com/ipfs/go-ipfs/core"
 	coreapi "github.com/ipfs/go-ipfs/core/coreapi"
+	options "github.com/ipfs/go-ipfs/core/coreapi/interface/options"
 
 	id "gx/ipfs/QmRBaUEQEeFWywfrZJ64QgsmvcqgLSK3VbvGMR2NM2Edpf/go-libp2p/p2p/protocol/identify"
 )
@@ -25,7 +26,7 @@ func GatewayOption(writable bool, paths ...string) ServeOption {
 			return nil, err
 		}
 
-		api, err := coreapi.NewCoreAPI(n)
+		api, err := coreapi.NewCoreAPI(n, options.Api.FetchBlocks(!cfg.Gateway.NoFetch))
 		if err != nil {
 			return nil, err
 		}