From 3ec21ce44e29ca84b6a87c44af12ff630d6516fe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mika=C3=ABl=20Cluseau?= <mikael.cluseau@gmail.com>
Date: Mon, 13 Feb 2023 13:03:42 +0100
Subject: [PATCH] store download & add key

---
 .gitignore                           |  3 +-
 cmd/dkl-local-server/cas-cleaner.go  |  8 +--
 cmd/dkl-local-server/httperr.go      |  5 +-
 cmd/dkl-local-server/main.go         |  2 +-
 cmd/dkl-local-server/secret-store.go | 51 ++++++++++--------
 cmd/dkl-local-server/state.go        |  4 ++
 cmd/dkl-local-server/token.go        | 24 +++++++++
 cmd/dkl-local-server/ws-public.go    | 77 +++++++++++++++++++++++++++-
 cmd/dkl-local-server/ws-store.go     | 27 ++++++++++
 cmd/dkl-local-server/ws.go           | 30 +++++++++--
 go.mod                               | 12 ++---
 go.sum                               | 13 +++++
 html/ui/app.css                      | 18 +++++++
 html/ui/index.html                   | 19 +++++--
 html/ui/js/app.js                    |  5 ++
 15 files changed, 256 insertions(+), 42 deletions(-)
 create mode 100644 cmd/dkl-local-server/token.go
 create mode 100644 cmd/dkl-local-server/ws-store.go

diff --git a/.gitignore b/.gitignore
index 9c22b8c..9f22a70 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 *.sw[po]
 modd-local.conf
 /tmp
-/go.work
 /dist
+/go.work
+/go.work.sum
diff --git a/cmd/dkl-local-server/cas-cleaner.go b/cmd/dkl-local-server/cas-cleaner.go
index 39220f3..d8b46a5 100644
--- a/cmd/dkl-local-server/cas-cleaner.go
+++ b/cmd/dkl-local-server/cas-cleaner.go
@@ -12,13 +12,15 @@ var (
 )
 
 func casCleaner() {
-	for {
+	for range time.Tick(*cacheCleanDelay) {
+		if !wPublicState.Get().Store.Open {
+			continue
+		}
+
 		err := cleanCAS()
 		if err != nil {
 			log.Print("warn: couldn't clean cache: ", err)
 		}
-
-		time.Sleep(*cacheCleanDelay)
 	}
 }
 
diff --git a/cmd/dkl-local-server/httperr.go b/cmd/dkl-local-server/httperr.go
index 277b1f6..1a8fdfd 100644
--- a/cmd/dkl-local-server/httperr.go
+++ b/cmd/dkl-local-server/httperr.go
@@ -6,4 +6,7 @@ import (
 	"m.cluseau.fr/go/httperr"
 )
 
-var ErrNotFound = httperr.NewStd(404, http.StatusNotFound, "not found")
+var (
+	ErrNotFound     = httperr.NewStd(404, http.StatusNotFound, "not found")
+	ErrInvalidToken = httperr.NewStd(403, http.StatusForbidden, "invalid token")
+)
diff --git a/cmd/dkl-local-server/main.go b/cmd/dkl-local-server/main.go
index 2da49b3..82a7002 100644
--- a/cmd/dkl-local-server/main.go
+++ b/cmd/dkl-local-server/main.go
@@ -53,7 +53,7 @@ func main() {
 		if autoUnlock != "" {
 			log.Printf("auto-unlocking the store")
 			err := unlockSecretStore([]byte(autoUnlock))
-			if err != nil {
+			if err.Any() {
 				log.Fatal(err)
 			}
 
diff --git a/cmd/dkl-local-server/secret-store.go b/cmd/dkl-local-server/secret-store.go
index 3ed6b86..b1f9733 100644
--- a/cmd/dkl-local-server/secret-store.go
+++ b/cmd/dkl-local-server/secret-store.go
@@ -1,14 +1,12 @@
 package main
 
 import (
-	"crypto/rand"
-	"encoding/base32"
 	"encoding/json"
 	"log"
 	"net/http"
 	"os"
 	"path/filepath"
-    "sort"
+	"sort"
 	"strings"
 	"sync"
 
@@ -20,7 +18,8 @@ import (
 
 var secStore *secretstore.Store
 
-func secStorePath(name string) string { return filepath.Join(*dataDir, "secrets", name) }
+func secStoreRoot() string            { return filepath.Join(*dataDir, "secrets") }
+func secStorePath(name string) string { return filepath.Join(secStoreRoot(), name) }
 func secKeysStorePath() string        { return secStorePath(".keys") }
 
 func openSecretStore() {
@@ -64,7 +63,7 @@ var (
 	ErrInvalidPassphrase    = httperr.NewStd(http.StatusBadRequest, 2, "invalid passphrase")
 )
 
-func unlockSecretStore(passphrase []byte) *httperr.Error {
+func unlockSecretStore(passphrase []byte) (err httperr.Error) {
 	unlockMutex.Lock()
 	defer unlockMutex.Unlock()
 
@@ -75,7 +74,7 @@ func unlockSecretStore(passphrase []byte) *httperr.Error {
 	if secStore.IsNew() {
 		err := secStore.Init(passphrase)
 		if err != nil {
-			return httperr.New(http.StatusInternalServerError, err)
+			return httperr.Internal(err)
 		}
 
 		err = secStore.SaveTo(secKeysStorePath())
@@ -83,7 +82,7 @@ func unlockSecretStore(passphrase []byte) *httperr.Error {
 			log.Print("secret store save error: ", err)
 			secStore.Close()
 
-			return httperr.New(http.StatusInternalServerError, err)
+			return httperr.Internal(err)
 		}
 
 	} else {
@@ -98,25 +97,21 @@ func unlockSecretStore(passphrase []byte) *httperr.Error {
 			log.Print("failed to read admin token: ", err)
 			secStore.Close()
 
-			return httperr.New(http.StatusInternalServerError, err)
+			return httperr.Internal(err)
 		}
 
-		randBytes := make([]byte, 32)
-		_, err := rand.Read(randBytes)
+		token, err = newToken(32)
 		if err != nil {
-			log.Print("rand read error: ", err)
 			secStore.Close()
-
-			return httperr.New(http.StatusInternalServerError, err)
+			return httperr.Internal(err)
 		}
 
-		token = base32.StdEncoding.WithPadding(base32.NoPadding).EncodeToString(randBytes)
 		err = writeSecret("admin-token", token)
 		if err != nil {
 			log.Print("write error: ", err)
 			secStore.Close()
 
-			return httperr.New(http.StatusInternalServerError, err)
+			return httperr.Internal(err)
 		}
 
 		log.Print("wrote new admin token")
@@ -124,6 +119,18 @@ func unlockSecretStore(passphrase []byte) *httperr.Error {
 
 	*adminToken = token
 
+	{
+		token, err := newToken(16)
+		if err != nil {
+			secStore.Close()
+			return httperr.Internal(err)
+		}
+
+		wState.Change(func(v *State) {
+			v.Store.DownloadToken = token
+		})
+	}
+
 	wPublicState.Change(func(v *PublicState) {
 		v.Store.New = false
 		v.Store.Open = true
@@ -132,7 +139,7 @@ func unlockSecretStore(passphrase []byte) *httperr.Error {
 	go updateState()
 	go migrateSecrets()
 
-	return nil
+	return
 }
 
 func readSecret(name string, value any) (err error) {
@@ -179,12 +186,12 @@ func writeSecret(name string, value any) (err error) {
 	}
 
 	err = os.Rename(f.Name(), secStorePath(name+".data"))
-    if err != nil {
-    return
-    }
+	if err != nil {
+		return
+	}
 
-    go updateState()
-    return
+	go updateState()
+	return
 }
 
 var secL sync.Mutex
@@ -255,7 +262,7 @@ func (s KVSecrets[T]) Keys(prefix string) (keys []string, err error) {
 		keys = append(keys, k[len(prefix):])
 	}
 
-    sort.Strings(keys)
+	sort.Strings(keys)
 
 	return
 }
diff --git a/cmd/dkl-local-server/state.go b/cmd/dkl-local-server/state.go
index 487ddbe..4c4bbd9 100644
--- a/cmd/dkl-local-server/state.go
+++ b/cmd/dkl-local-server/state.go
@@ -20,6 +20,10 @@ var wPublicState = watchable.New[PublicState]()
 type State struct {
 	HasConfig bool
 
+	Store struct {
+		DownloadToken string
+	}
+
 	Clusters []ClusterState
 	Hosts    []HostState
 	Config   *localconfig.Config
diff --git a/cmd/dkl-local-server/token.go b/cmd/dkl-local-server/token.go
new file mode 100644
index 0000000..83e2507
--- /dev/null
+++ b/cmd/dkl-local-server/token.go
@@ -0,0 +1,24 @@
+package main
+
+import (
+	"crypto/rand"
+	"encoding/base32"
+	"log"
+	"net/http"
+
+	"m.cluseau.fr/go/httperr"
+)
+
+func newToken(sizeInBytes int) (token string, err error) {
+	randBytes := make([]byte, sizeInBytes)
+
+	_, err = rand.Read(randBytes)
+	if err != nil {
+		log.Print("rand read error: ", err)
+		err = httperr.New(http.StatusInternalServerError, err)
+		return
+	}
+
+	token = base32.StdEncoding.WithPadding(base32.NoPadding).EncodeToString(randBytes)
+	return
+}
diff --git a/cmd/dkl-local-server/ws-public.go b/cmd/dkl-local-server/ws-public.go
index 1b498be..006428f 100644
--- a/cmd/dkl-local-server/ws-public.go
+++ b/cmd/dkl-local-server/ws-public.go
@@ -1,7 +1,12 @@
 package main
 
 import (
+	"archive/tar"
+	"bytes"
+	"io"
+	"io/fs"
 	"net/http"
+	"os"
 
 	restful "github.com/emicklei/go-restful"
 )
@@ -14,10 +19,80 @@ func wsUnlockStore(req *restful.Request, resp *restful.Response) {
 		return
 	}
 
-	if err := unlockSecretStore([]byte(passphrase)); err != nil {
+	if err := unlockSecretStore([]byte(passphrase)); err.Any() {
 		err.WriteJSON(resp.ResponseWriter)
 		return
 	}
 
 	resp.WriteEntity(*adminToken)
 }
+
+func wsStoreDownload(req *restful.Request, resp *restful.Response) {
+	token := req.QueryParameter("token")
+	if token != wState.Get().Store.DownloadToken {
+		wsError(resp, ErrInvalidToken)
+		return
+	}
+
+	buf := new(bytes.Buffer)
+	arch := tar.NewWriter(buf)
+
+	root := os.DirFS(secStoreRoot())
+
+	err := fs.WalkDir(root, ".", func(path string, d fs.DirEntry, readErr error) (err error) {
+		if readErr != nil {
+			err = readErr
+			return
+		}
+
+		if path == "." {
+			return
+		}
+
+		fi, err := d.Info()
+		if err != nil {
+			return
+		}
+
+		hdr, err := tar.FileInfoHeader(fi, "")
+		if err != nil {
+			return
+		}
+
+		hdr.Name = path
+		hdr.Uid = 0
+		hdr.Gid = 0
+
+		err = arch.WriteHeader(hdr)
+		if err != nil {
+			return
+		}
+
+		if fi.IsDir() {
+			return
+		}
+
+		f, err := root.Open(path)
+		if err != nil {
+			return
+		}
+		defer f.Close()
+
+		io.Copy(arch, f)
+
+		return
+	})
+
+	if err != nil {
+		wsError(resp, err)
+		return
+	}
+
+	err = arch.Close()
+	if err != nil {
+		wsError(resp, err)
+		return
+	}
+
+	buf.WriteTo(resp)
+}
diff --git a/cmd/dkl-local-server/ws-store.go b/cmd/dkl-local-server/ws-store.go
new file mode 100644
index 0000000..12b4923
--- /dev/null
+++ b/cmd/dkl-local-server/ws-store.go
@@ -0,0 +1,27 @@
+package main
+
+import (
+	restful "github.com/emicklei/go-restful"
+)
+
+func wsStoreAddKey(req *restful.Request, resp *restful.Response) {
+	var passphrase string
+
+	err := req.ReadEntity(&passphrase)
+	if err != nil {
+		wsBadRequest(resp, err.Error())
+		return
+	}
+
+	if len(passphrase) == 0 {
+		wsBadRequest(resp, "no passphrase given")
+		return
+	}
+
+	secStore.AddKey([]byte(passphrase))
+	err = secStore.SaveTo(secKeysStorePath())
+	if err != nil {
+		wsError(resp, err)
+		return
+	}
+}
diff --git a/cmd/dkl-local-server/ws.go b/cmd/dkl-local-server/ws.go
index 503fa9d..b0a7d8f 100644
--- a/cmd/dkl-local-server/ws.go
+++ b/cmd/dkl-local-server/ws.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"errors"
 	"fmt"
 	"log"
 	"net"
@@ -10,6 +11,7 @@ import (
 
 	cfsslconfig "github.com/cloudflare/cfssl/config"
 	"github.com/emicklei/go-restful"
+	"m.cluseau.fr/go/httperr"
 
 	"novit.tech/direktil/pkg/localconfig"
 
@@ -28,6 +30,10 @@ func registerWS(rest *restful.Container) {
 				Reads("").
 				Writes("").
 				Doc("Try to unlock the store")).
+			Route(ws.GET("/store.tar").To(wsStoreDownload).
+				Produces(mime.TAR).
+				Param(ws.QueryParameter("token", "the download token")).
+				Doc("Fetch the encrypted store")).
 			Route(ws.GET("/downloads/{token}/{asset}").To(wsDownload).
 				Param(ws.PathParameter("token", "the download token")).
 				Param(ws.PathParameter("asset", "the requested asset")).
@@ -42,12 +48,21 @@ func registerWS(rest *restful.Container) {
 		Filter(adminAuth).
 		HeaderParameter("Authorization", "Admin bearer token")
 
+	// - store management
+	ws.Route(ws.POST("/store/add-key").To(wsStoreAddKey).
+		Consumes("application/json").Reads("").
+		Produces("application/json").
+		Doc("Add an unlock key to the store"))
+
 	// - downloads
 	ws.Route(ws.POST("/authorize-download").To(wsAuthorizeDownload).
+		Consumes("application/json").Reads(DownloadSpec{}).
+		Produces("application/json").
 		Doc("Create a download token for the given download"))
 
 	// - configs API
 	ws.Route(ws.POST("/configs").To(wsUploadConfig).
+		Consumes(mime.YAML).
 		Doc("Upload a new current configuration, archiving the previous one"))
 
 	// - clusters API
@@ -180,11 +195,20 @@ func wsNotFound(req *restful.Request, resp *restful.Response) {
 	http.NotFound(resp.ResponseWriter, req.Request)
 }
 
+func wsBadRequest(resp *restful.Response, err string) {
+	httperr.New(http.StatusBadRequest, errors.New(err)).WriteJSON(resp.ResponseWriter)
+}
+
 func wsError(resp *restful.Response, err error) {
 	log.Output(2, fmt.Sprint("request failed: ", err))
-	resp.WriteErrorString(
-		http.StatusInternalServerError,
-		http.StatusText(http.StatusInternalServerError))
+
+	switch err := err.(type) {
+	case httperr.Error:
+		err.WriteJSON(resp.ResponseWriter)
+
+	default:
+		httperr.Internal(err).WriteJSON(resp.ResponseWriter)
+	}
 }
 
 func wsRender(resp *restful.Response, sslCfg *cfsslconfig.Config, tmplStr string, value interface{}) {
diff --git a/go.mod b/go.mod
index 31ca910..f9f1e25 100644
--- a/go.mod
+++ b/go.mod
@@ -13,7 +13,7 @@ require (
 	github.com/miolini/datacounter v1.0.3
 	github.com/oklog/ulid v1.3.1
 	github.com/pierrec/lz4 v2.6.1+incompatible
-	golang.org/x/crypto v0.5.0
+	golang.org/x/crypto v0.6.0
 	gopkg.in/src-d/go-billy.v4 v4.3.2
 	gopkg.in/src-d/go-git.v4 v4.13.1
 	gopkg.in/yaml.v2 v2.4.0
@@ -57,15 +57,15 @@ require (
 	github.com/xanzy/ssh-agent v0.3.3 // indirect
 	github.com/zmap/zcrypto v0.0.0-20230205235340-d51ce4775101 // indirect
 	github.com/zmap/zlint/v3 v3.1.0 // indirect
-	golang.org/x/mod v0.7.0 // indirect
-	golang.org/x/net v0.5.0 // indirect
+	golang.org/x/mod v0.8.0 // indirect
+	golang.org/x/net v0.6.0 // indirect
 	golang.org/x/sys v0.5.0 // indirect
-	golang.org/x/text v0.6.0 // indirect
-	golang.org/x/tools v0.5.0 // indirect
+	golang.org/x/text v0.7.0 // indirect
+	golang.org/x/tools v0.6.0 // indirect
 	gomodules.xyz/jsonpatch/v2 v2.2.0 // indirect
 	google.golang.org/protobuf v1.28.1 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	k8s.io/klog/v2 v2.90.0 // indirect
-	k8s.io/utils v0.0.0-20230202215443-34013725500c // indirect
+	k8s.io/utils v0.0.0-20230209194617-a36077c30491 // indirect
 )
diff --git a/go.sum b/go.sum
index a427613..6380fa3 100644
--- a/go.sum
+++ b/go.sum
@@ -847,6 +847,8 @@ golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d/go.mod h1:IxCIyHEi3zRg3s0
 golang.org/x/crypto v0.0.0-20220824171710-5757bc0c5503/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/crypto v0.5.0 h1:U/0M97KRkSFvyD/3FSmdP5W5swImpNgle/EHFhOsQPE=
 golang.org/x/crypto v0.5.0/go.mod h1:NK/OQwhpMQP3MwtdjgLlYHnH9ebylxKWv3e0fK+mkQU=
+golang.org/x/crypto v0.6.0 h1:qfktjS5LUO+fFKeJXZ+ikTRijMmljikvG68fpMMruSc=
+golang.org/x/crypto v0.6.0/go.mod h1:OFC/31mSvZgRz0V1QTNCzfAI1aIRzbiufJtkMIlEp58=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
@@ -885,6 +887,8 @@ golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.7.0 h1:LapD9S96VoQRhi/GrNTqeBJFrUjs5UHCAtTlgwA5oZA=
 golang.org/x/mod v0.7.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
+golang.org/x/mod v0.8.0 h1:LUYupSeNrTNCGzR/hVBk2NHZO4hXcVaW1k4Qx7rjPx8=
+golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/net v0.0.0-20180530234432-1e491301e022/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -939,6 +943,8 @@ golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qx
 golang.org/x/net v0.0.0-20220412020605-290c469a71a5/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
 golang.org/x/net v0.5.0 h1:GyT4nK/YDHSqa1c4753ouYCDajOYKTja9Xb/OHtgvSw=
 golang.org/x/net v0.5.0/go.mod h1:DivGGAXEgPSlEBzxGzZI+ZLohi+xUj054jfeKui00ws=
+golang.org/x/net v0.6.0 h1:L4ZwwTvKW9gr0ZMS1yrHD9GZhIuVjOBBnaKH+SPQK0Q=
+golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181106182150-f42d05182288/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -1039,6 +1045,7 @@ golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXR
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.4.0 h1:O7UWfv5+A2qiuulQk30kVinPoMtoIPeVaKLEgLpVkvg=
+golang.org/x/term v0.5.0 h1:n2a8QNdAb0sZNpU9R1ALUXBbY+w51fCQDN+7EdxNBsY=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -1050,6 +1057,8 @@ golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.6.0 h1:3XmdazWV+ubf7QgHSTWeykHOci5oeekaGJBLkrkaw4k=
 golang.org/x/text v0.6.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/text v0.7.0 h1:4BRB4x83lYWy72KwLD/qYDuTu7q9PjSagHvijDw7cLo=
+golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
@@ -1123,6 +1132,8 @@ golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4f
 golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
 golang.org/x/tools v0.5.0 h1:+bSpV5HIeWkuvgaMfI3UmKRThoTA5ODJTUd8T17NO+4=
 golang.org/x/tools v0.5.0/go.mod h1:N+Kgy78s5I24c24dU8OfWNEotWjutIs8SnJvn5IDq+k=
+golang.org/x/tools v0.6.0 h1:BOw41kyTf3PuCW1pVQf8+Cyg8pMlkYB1oo9iJ6D/lKM=
+golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -1312,6 +1323,8 @@ k8s.io/utils v0.0.0-20230115233650-391b47cb4029 h1:L8zDtT4jrxj+TaQYD0k8KNlr556Wa
 k8s.io/utils v0.0.0-20230115233650-391b47cb4029/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
 k8s.io/utils v0.0.0-20230202215443-34013725500c h1:YVqDar2X7YiQa/DVAXFMDIfGF8uGrHQemlrwRU5NlVI=
 k8s.io/utils v0.0.0-20230202215443-34013725500c/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
+k8s.io/utils v0.0.0-20230209194617-a36077c30491 h1:r0BAOLElQnnFhE/ApUsg3iHdVYYPBjNSSOMowRZxxsY=
+k8s.io/utils v0.0.0-20230209194617-a36077c30491/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
 m.cluseau.fr/go v0.0.0-20230205163051-2d3050134ad5 h1:ss7MlpIRrkji6QhhRn4sTkOf44Y6f3roO+7kFXs0Q0U=
 m.cluseau.fr/go v0.0.0-20230205163051-2d3050134ad5/go.mod h1:1DYAavEumEsHasA2RbRUExaEodBB2NAYD+IcwmgVkRM=
 m.cluseau.fr/go v0.0.0-20230206224905-5322a9bff2ec h1:Wc4FfO2RPm4N51mc/QY+S0yQJ9KEPE8UyjWZpeA5s/M=
diff --git a/html/ui/app.css b/html/ui/app.css
index c27d4b6..af19ca9 100644
--- a/html/ui/app.css
+++ b/html/ui/app.css
@@ -17,3 +17,21 @@
     max-height: 100pt;
     overflow: auto;
 }
+
+#store-infos {
+    display: flex;
+    flex-flow: row wrap;
+    align-content: center;
+    justify-content: flex-start;
+    border-bottom: dashed 1pt;
+    margin-bottom: 1ex;
+}
+#store-infos > * {
+    display: block;
+    font-size: medium;
+    padding: 2pt 1ex;
+    margin: 0 0 0 1ex;
+}
+#store-infos > *:first-child {
+    margin-left: 0;
+}
diff --git a/html/ui/index.html b/html/ui/index.html
index ed58edc..7c437a2 100644
--- a/html/ui/index.html
+++ b/html/ui/index.html
@@ -41,15 +41,15 @@
 <template v-else-if="publicState.Store.New">
     <p>Store is new.</p>
     <form @submit="unlockStore" action="/public/unlock-store">
-        <input type="password" v-model="forms.store.pass1" name="passphrase" />
-        <input type="password" v-model="forms.store.pass2" />
+        <input type="password" v-model="forms.store.pass1" name="passphrase" required />
+        <input type="password" v-model="forms.store.pass2" required />
         <input type="submit" value="initialize" :disabled="!forms.store.pass1 || forms.store.pass1 != forms.store.pass2" />
     </form>
 </template>
 <template v-else-if="!publicState.Store.Open">
     <p>Store is not open.</p>
     <form @submit="unlockStore" action="/public/unlock-store">
-        <input type="password" name="passphrase" v-model="forms.store.pass1" />
+        <input type="password" name="passphrase" v-model="forms.store.pass1" required />
         <input type="submit" value="unlock" :disabled="!forms.store.pass1" />
     </form>
 </template>
@@ -58,12 +58,23 @@
     <p v-else>Invalid token</p>
 
     <form @submit="setToken">
-        <input type="password" v-model="forms.setToken" />
+        <input type="password" v-model="forms.setToken" required />
         <input type="submit" value="set token"/>
     </form>
 </template>
 <template v-else>
+  <div id="store-infos">
+    <h2>Store</h2>
+    <a :href="'/public/store.tar?token='+state.Store.DownloadToken" target="_blank">download</a>
+    <form @submit="storeAddKey" action="/store/add-key">
+        <input type="password" v-model="forms.store.pass1" name="passphrase" autocomplete="new-password" required />
+        <input type="password" v-model="forms.store.pass2" autocomplete="new-password" required />
+        <input type="submit" value="add unlock phrase" :disabled="!forms.store.pass1 || forms.store.pass1 != forms.store.pass2" />
+    </form>
+  </div>
+
   <div v-if="state.Clusters" id="clusters">
+
     <h2>Clusters</h2>
 
     <div class="sheets">
diff --git a/html/ui/js/app.js b/html/ui/js/app.js
index 15f85da..0520893 100644
--- a/html/ui/js/app.js
+++ b/html/ui/js/app.js
@@ -60,6 +60,11 @@ createApp({
             this.session.token = this.forms.setToken
             this.forms.setToken = null
         },
+        storeAddKey() {
+            this.apiPost('/store/add-key', this.forms.store.pass1, (v) => {
+                this.forms.store = {}
+            })
+        },
         unlockStore() {
             this.apiPost('/public/unlock-store', this.forms.store.pass1, (v) => {
                 this.forms.store = {}