Add configuration file and UI, and animated overlay when passwords

are copied to the clipboard.

.gitignore

@@ -1,2 +1,2 @@
-cmd/gpass/passgo
+cmd/passgo/passgo
-cmd/gpass-gui/passgo-gui
+cmd/passgo-gui/passgo-gui

cmd/passgo-gui/impl_darwin.go

@@ -0,0 +1,61 @@
+//+build !android !linux
+
+package main
+
+import (
+	"os"
+	"os/user"
+	"path"
+
+	"golang.org/x/image/font/gofont/goregular"
+	"golang.org/x/image/font/sfnt"
+)
+
+var (
+	regular *sfnt.Font
+	confDir string
+)
+
+func setFont() error {
+	f, err := os.Open("/System/Library/Fonts/AppleSDGothicNeo.ttc")
+	if err != nil {
+		log(Info,"Cannot open system font.")
+		return err
+		
+	}
+	collection, err := sfnt.ParseCollectionReaderAt(f)
+	if err != nil {
+		log(Info,"Cannot parse system font.")
+		return err
+	}
+	regular, err = collection.Font(0)
+	if err != nil {
+		log(Info,"Cannot access first font in collection.")
+		return err
+	}
+	return nil
+}
+
+func init() {
+	err := setFont()
+	if err != nil {
+		regular, err = sfnt.Parse(goregular.TTF)
+		if err != nil {
+			log(Fatal,"Cannot parse default font: ", err)
+		}
+	}
+	usr, err := user.Current()
+	if err != nil {
+		log(Fatal, "Cannot get current user: ", err)
+	}
+	confDir = path.Join(usr.HomeDir, ".config/passgo")
+	if _, err := os.Stat(confDir); os.IsNotExist(err) {
+		err = os.MkdirAll(confDir, 0700)
+		if err != nil {
+			log(Info, "Cannot create configuration directory ",confDir)
+			log(Fatal, err)
+		} else {
+			log(Info, "Configuration directory created")
+		}
+	}
+}

cmd/passgo-gui/main.go

@@ -3,12 +3,14 @@
 package main
 
 import (
-	//"fmt"
 	"image"
 	"image/color"
+	"io/ioutil"
+	"os"
 	"path"
 	"strings"
 	"sync"
+	"time"
 
 	"gioui.org/ui"
 	"gioui.org/ui/app"
@@ -23,19 +25,47 @@ import (
 	"gioui.org/ui/text"
 
 	"github.com/fsnotify/fsnotify"
-	"golang.org/x/image/font/gofont/goregular"
+	"gopkg.in/yaml.v2"
-	"golang.org/x/image/font/sfnt"
 
 	"git.wow.st/gmp/passgo"
 )
 
+type conf struct {
+	StoreDir string
+}
+
 func main() {
-	var err error
+	var fd *os.File
-	store, err = passgo.GetStore()
+	confFile := path.Join(confDir, "config.yml")
+	if _, err := os.Stat(confFile); os.IsNotExist(err) {
+		fd, err = os.Create(confFile)
+		if err !=  nil {
+			log(Fatal, "Cannot create configuration file: ", err)
+		}
+	}
+
+	confbytes, err := ioutil.ReadFile(confFile)
+	if err != nil {
+		log(Fatal, "Cannot read configuration file: ", err)
+	}
+	if err = yaml.UnmarshalStrict(confbytes, &Config); err != nil {
+		log(Fatal, "Cannot parse configuration file: ", err)
+	}
+	store.Dir = Config.StoreDir
+	log(Info," StoreDir = ", store.Dir)
+	err = passgo.GetStore(&store)
 	if err != nil {
 		log(Fatal, err)
 	}
+
+	if fd != nil { // we still have an empty conf file open:
+		Config.StoreDir = store.Dir
+		saveConf(fd)
+	}
+
+	reload = make(chan struct{})
 	updated = make(chan struct{})
+
 	go Updater()
 	log(Info, "Staring event loop")
 	go eventLoop()
@@ -44,17 +74,23 @@ func main() {
 }
 
 var (
+	Config  conf
 	l       []passgo.Pass
 	mux     sync.Mutex
-	store   *passgo.Store
+	store   passgo.Store
+	reload  chan struct{}
 	updated chan struct{}
+	black = color.RGBA{A: 0xff, R:0, G:0, B:0}
+	white = color.RGBA{A: 0xff, R:0xff, G:0xff, B:0xff}
+	gray = color.RGBA{A: 0xff, R:0xf0, G:0xf0, B:0xf0}
+	darkgray = color.RGBA{A: 0xff, R:0xa0, G:0xa0, B:0xa0}
 )
 
 func Updater() {
 	update := func() {
 		ltmp, err := store.List()
 		if err != nil {
-			log(Fatal, err)
+			log(Info, err)
 		}
 		mux.Lock()
 		l = ltmp
@@ -70,6 +106,8 @@ func Updater() {
 	watcher.Add(store.Dir)
 	for {
 		select {
+		case <-reload:
+			update()
 		case <-watcher.Events:
 			update()
 		case e := <-watcher.Errors:
@@ -78,11 +116,70 @@ func Updater() {
 	}
 }
 
+func saveConf(fds ...*os.File) {
+	var fd *os.File
+	var err error
+	if len(fds) > 0 && fds[0] != nil {
+		fd = fds[0]
+	} else {
+		fd, err = os.Create(path.Join(confDir, "config.yml"))
+		if err != nil {
+			log(Fatal, "Cannot open config file: ", err)
+		}
+	}
+
+	confbytes, err := yaml.Marshal(Config)
+	if err != nil {
+		log(Fatal, "Cannot save configuration: ", err)
+	}
+	_, err = fd.Write(confbytes)
+	if err != nil {
+		log(Fatal, "Cannot write to configuration: ", err)
+	}
+}
+
+type Overlay struct {
+	Face    text.Face
+	Text   string
+	Click   gesture.Click
+	Color   color.RGBA
+	Background   color.RGBA
+	Alignment text.Alignment
+}
+
+func (b *Overlay) Layout(c ui.Config, ops *ui.Ops, cs layout.Constraints) layout.Dimensions {
+	ins := layout.UniformInset(ui.Dp(1))
+	cs = ins.Begin(c, ops, cs)
+	var dims layout.Dimensions
+	st := layout.Stack{}
+	st.Init(ops, cs)
+	{
+		cs = st.Rigid()
+		l := text.Label{
+			Face: b.Face,
+			Text: b.Text,
+			Alignment: b.Alignment,
+		}
+		ins := layout.UniformInset(ui.Dp(4))
+		l.Material.Record(ops)
+		paint.ColorOp{Color: b.Color}.Add(ops)
+		l.Material.Stop()
+		dims = ins.End(l.Layout(ops, ins.Begin(c, ops, cs)))
+		pointer.RectAreaOp{image.Rect(0, 0, dims.Size.X, dims.Size.Y)}.Add(ops)
+	}
+	c2 := st.End(dims)
+	c1 := st.End(layoutRRect(b.Background, c, ops, st.Expand()))
+	dims = st.Layout(c1, c2)
+	return ins.End(dims)
+}
+
 type Button struct {
 	Face    text.Face
 	Label   string
 	Click   gesture.Click
 	Color   color.RGBA
+	Background   color.RGBA
+	Alignment text.Alignment
 	clicked bool
 }
 
@@ -113,7 +210,7 @@ func rrect(ops *ui.Ops, width, height, se, sw, nw, ne float32) {
 	b.End()
 }
 
-func (b *Button) Layout(c ui.Config, ops *ui.Ops, q input.Queue, cs layout.Constraints) layout.Dimensions {
+func (b *Button) Layout(c ui.Config, q input.Queue, ops *ui.Ops, cs layout.Constraints) layout.Dimensions {
 	b.clicked = false
 	for ev, ok := b.Click.Next(q); ok; ev, ok = b.Click.Next(q) {
 		if ev.Type == gesture.TypeClick {
@@ -130,14 +227,16 @@ func (b *Button) Layout(c ui.Config, ops *ui.Ops, q input.Queue, cs layout.Const
 		l := text.Label{
 			Face: b.Face,
 			Text: b.Label,
+			Alignment: b.Alignment,
 		}
 		ins := layout.UniformInset(ui.Dp(4))
+		paint.ColorOp{Color: b.Color}.Add(ops)
 		dims = ins.End(l.Layout(ops, ins.Begin(c, ops, cs)))
 		pointer.RectAreaOp{image.Rect(0, 0, dims.Size.X, dims.Size.Y)}.Add(ops)
 		b.Click.Add(ops)
 	}
 	c2 := st.End(dims)
-	c1 := st.End(layoutRRect(b.Color, c, ops, st.Expand()))
+	c1 := st.End(layoutRRect(b.Background, c, ops, st.Expand()))
 	dims = st.Layout(c1, c2)
 	return ins.End(dims)
 }
@@ -149,24 +248,44 @@ func (b *Button) Clicked() bool {
 func eventLoop() {
 	w := app.NewWindow(app.WithWidth(ui.Dp(250)))
 	q := w.Queue()
-	_ = q
+	var c ui.Config
 	ops := new(ui.Ops)
+	var dims layout.Dimensions
+	var cs layout.Constraints
+	var margincs layout.Constraints
 	var faces measure.Faces
-	regular, err := sfnt.Parse(goregular.TTF)
+	var c1 layout.FlexChild // flex child for title bar
-	if err != nil {
-		log(Fatal, "Cannot parse font.")
-	}
 	face := faces.For(regular, ui.Sp(16))
 
+
 	margin := layout.UniformInset(ui.Dp(10))
+
+	title := &text.Label{Face: face, Text:"passgo"}
+	dotsbtn := &Button{
+		Face: face,
+		Label: "\xe2\x8b\xae",
+		Alignment: text.End,
+		Color: black,
+		Background: gray,
+	}
+
+	titleflex := &layout.Flex{Axis: layout.Horizontal}
+
+	flex := &layout.Flex{Axis: layout.Vertical}
 	passInput := &text.Editor{Face: face, SingleLine: true}
 	passInput.SetText("passphrase")
-	passSubmit := &Button{Face: face, Label: "submit"}
+	passSubmit := &Button{Face: face, Label: "submit", Color: black}
 	lst := &layout.List{Axis: layout.Vertical}
 	passBtns := make([]*Button, 0)
 	_ = passInput
 	_ = passSubmit
 	pathnames := make([]string, 0)
+	copied := &Overlay{Face: face, Text: "copied to clipboard",
+		Color: black,
+		Background: darkgray,
+		Alignment: text.Middle,
+	}
+	var copiedWhen time.Time
 
 	updateBtns := func() {
 		passBtns = passBtns[:0]
@@ -182,7 +301,7 @@ func eventLoop() {
 			passBtns = append(passBtns, &Button{
 				Face:  face,
 				Label: strings.Join([]string{s, n, z}, ""),
-				Color: color.RGBA{A: 0xff, R: 0xf0, G: 0xf0, B: 0xf0},
+				Background: gray,
 			})
 			pathnames = append(pathnames, x.Pathname)
 		}
@@ -190,50 +309,170 @@ func eventLoop() {
 	}
 	updateBtns()
 
+	confBtn := &Button{
+		Face: face,
+		Label: "configure",
+		Alignment: text.Middle,
+		Color: black,
+		Background: gray,
+	}
+
+	storeDirLabel := &text.Label{Face: face, Text: "Store directory"}
+	storeDirEd := &text.Editor{Face: face, SingleLine: true}
+	storeDirEd.SetText(store.Dir)
+	saveBtn := &Button{
+		Face: face,
+		Label: "save",
+		Alignment: text.End,
+		Color: black,
+		Background: gray,
+	}
+
+	anim := &time.Ticker{}
+	animating := false
+	animOn := func() {
+		anim = time.NewTicker(time.Second / 120)
+		animating = true
+		w.Invalidate()
+	}
+	animOff := func() {
+		anim.Stop()
+		animating = false
+	}
+
+	var listPage, confPage, page func()
+	_ = confPage
+
+	listPage = func() {
+		cs = flex.Flexible(1.0)
+		mux.Lock()
+		if lst.Dragging() {
+			key.HideInputOp{}.Add(ops)
+		}
+		var c2 layout.FlexChild
+		if len(passBtns) == 0 {
+			c2 = flex.End(confBtn.Layout(c, q, ops, cs))
+			if confBtn.Clicked() {
+				log(Info,"Configure")
+				w.Invalidate()
+				page = confPage
+			}
+		} else {
+			for lst.Init(c, q, ops, cs, len(passBtns)); lst.More(); lst.Next() {
+				btn := passBtns[lst.Index()]
+				dims = btn.Layout(c, q, ops, lst.Constraints())
+				lst.End(dims)
+				if btn.Clicked() {
+					log(Info, "Clicked ", btn.Label)
+					// don't block UI thread on decryption attempt
+					go func(name string) {
+						//p,err := store.Decrypt(name, prompt)
+						p, err := store.Decrypt(name)
+						if err == nil {
+							passgo.Clip(p)
+							copiedWhen = time.Now()
+							animOn()
+						} else {
+							log(Info, "Can't decrypt ", name)
+							log(Info, err)
+						}
+					}(pathnames[lst.Index()])
+				}
+			}
+			c2 = flex.End(lst.Layout())
+		}
+		mux.Unlock()
+		if dotsbtn.Clicked() {
+			log(Info, "Configure")
+			w.Invalidate()
+			page = confPage
+		}
+		flex.Layout(c1, c2)
+		x := time.Since(copiedWhen).Seconds()
+		start, end := 1.5, 1.75
+		switch {
+		case x > start && x < end:
+			fade := (end - x) / (end - start)
+			copied.Color.R = uint8(float64(black.R) * fade)
+			copied.Color.G = uint8(float64(black.G) * fade)
+			copied.Color.B = uint8(float64(black.B) * fade)
+			copied.Color.A = uint8(float64(black.A) * fade)
+			copied.Background.R = uint8(float64(darkgray.R) * fade)
+			copied.Background.G = uint8(float64(darkgray.G) * fade)
+			copied.Background.B = uint8(float64(darkgray.B) * fade)
+			copied.Background.A = uint8(float64(darkgray.A) * fade)
+			fallthrough
+		case x <= start:
+			cs = margincs
+			al := layout.Align{Alignment: layout.SE}
+			cs = al.Begin(ops, cs)
+			cs.Width.Min = cs.Width.Max
+			dims = al.End(copied.Layout(c, ops, cs))
+		case animating:
+			copied.Color = black
+			copied.Background = darkgray
+			animOff()
+		}
+	}
+
+	confPage = func() {
+		cs = flex.Rigid()
+		c2 := flex.End(storeDirLabel.Layout(ops, cs))
+		cs = flex.Rigid()
+		c3 := flex.End(storeDirEd.Layout(c, q, ops, cs))
+		cs = flex.Rigid()
+		al := &layout.Align{Alignment: layout.E}
+		cs = al.Begin(ops, cs)
+		dims = saveBtn.Layout(c, q, ops, cs)
+		c4 := flex.End(al.End(dims))
+		flex.Layout(c1, c2, c3, c4)
+		if saveBtn.Clicked() {
+			log(Info, "Save")
+			go func() { // do not block UI thread
+				store.Dir = storeDirEd.Text()
+				passgo.GetStore(&store)
+				Config.StoreDir = store.Dir
+				saveConf()
+				reload <-struct{}{}
+			}()
+			page = listPage
+		}
+	}
+
+	page = listPage
+
 	for {
 		select {
 		case <-updated:
 			log(Info, "UPDATE")
 			updateBtns()
 			w.Invalidate()
+		case <-anim.C:
+			w.Invalidate()
 		case e := <-w.Events():
 			switch e := e.(type) {
 			case app.DestroyEvent:
 				return
 			case app.UpdateEvent:
-				c := &e.Config
+				c = &e.Config
 				ops.Reset()
 				faces.Reset(c)
-				var dims layout.Dimensions
+				cs = layout.RigidConstraints(e.Size)
-				cs := layout.RigidConstraints(e.Size)
 				cs = margin.Begin(c, ops, cs)
+				margincs = cs
+				flex.Init(ops, cs)
+				cs = flex.Rigid()
+				titleflex.Init(ops, cs)
+				cs = titleflex.Rigid()
+				ct2 := titleflex.End(dotsbtn.Layout(c, q, ops, cs))
+				cs = titleflex.Flexible(1.0)
+				cs.Width.Min = cs.Width.Max
+				ct1 := titleflex.End(title.Layout(ops, cs))
+				c1 = flex.End(titleflex.Layout(ct1, ct2))
 
-				mux.Lock()
+				page()
-				if lst.Dragging() {
+
-					key.HideInputOp{}.Add(ops)
+				margin.End(dims)
-				}
-				for lst.Init(c, q, ops, cs, len(passBtns)); lst.More(); lst.Next() {
-					btn := passBtns[lst.Index()]
-					dims = btn.Layout(c, ops, q, lst.Constraints())
-					lst.End(dims)
-					if btn.Clicked() {
-						// don't block UI thread on decryption attempt
-						log(Info, "Clicked ", btn.Label)
-						go func(name string) {
-							//p,err := store.Decrypt(name, prompt)
-							p, err := store.Decrypt(name)
-							if err == nil {
-								passgo.Clip(p)
-							} else {
-								log(Info, "Can't decrypt ", name)
-								log(Info, err)
-							}
-						}(pathnames[lst.Index()])
-					}
-				}
-				mux.Unlock()
-				dims = lst.Layout()
-				dims = margin.End(dims)
 				w.Update(ops)
 			}
 		}

cmd/passgo/main.go

@@ -35,7 +35,8 @@ func parse(args []string) ([]string, options) {
 }
 
 func main() {
-	store, err := passgo.GetStore()
+	var store passgo.Store
+	err := passgo.GetStore(&store)
 	if err != nil {
 		fmt.Println(err)
 		os.Exit(-1)

main.go

@@ -34,25 +34,26 @@ type Store struct {
 	keyring openpgp.KeyRing
 }
 
-func GetStore() (*Store, error) {
+func GetStore(store *Store) error {
-	ret := &Store{}
 	u, err := user.Current()
 	if err != nil {
-		return ret, fmt.Errorf("Can't get current user.")
+		return fmt.Errorf("Can't get current user.")
+	}
+	if store.Dir == "" {
+		store.Dir = path.Join(u.HomeDir, ".password-store")
 	}
-	ret.Dir = path.Join(u.HomeDir, ".password-store")
 
 	fd, err := os.Open(path.Join(u.HomeDir, ".gnupg/secring.gpg"))
 	defer fd.Close()
 	if err != nil {
-		return ret, fmt.Errorf("Can't open keyring file")
+		return fmt.Errorf("Can't open keyring file")
 	}
 	kr, err := openpgp.ReadKeyRing(fd)
 	if err != nil {
-		return ret, fmt.Errorf("Can't open gnupg keyring.")
+		return fmt.Errorf("Can't open gnupg keyring.")
 	}
-	ret.keyring = kr
+	store.keyring = kr
-	return ret, nil
+	return nil
 }
 
 type caseInsensitive []os.FileInfo