Initial commit

This commit is contained in:
Greg 2019-09-04 22:19:39 -04:00
commit e8a4ad031b
6 changed files with 651 additions and 0 deletions

2
.gitignore vendored Normal file
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cmd/gpass/gpass
cmd/gpass-gui/gpass-gui

28
cmd/gpass-gui/log.go Normal file
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package main
import (
golog "log"
"os"
)
type logLevelT int
const (
Fatal logLevelT = 1 << iota
Error
Warn
Info
Debug
DebugGfx
)
var loglevel = Fatal | Error | Warn | Info
func log(level logLevelT, msg ...interface{}) {
if level & loglevel != 0 {
golog.Print(msg...)
}
if level & Fatal != 0 {
os.Exit(-1)
}
}

243
cmd/gpass-gui/main.go Normal file
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// +build darwin linux
package main
import (
//"fmt"
"path"
"strings"
"image"
"image/color"
"sync"
"gioui.org/ui"
"gioui.org/ui/app"
"gioui.org/ui/input"
"gioui.org/ui/key"
"gioui.org/ui/layout"
"gioui.org/ui/text"
"gioui.org/ui/measure"
"gioui.org/ui/f32"
"gioui.org/ui/paint"
"gioui.org/ui/gesture"
"gioui.org/ui/pointer"
"github.com/fsnotify/fsnotify"
"golang.org/x/image/font/gofont/goregular"
"golang.org/x/image/font/sfnt"
"git.wow.st/gmp/pass"
)
func main() {
var err error
store,err = pass.GetStore()
if err != nil {
log(Fatal, err)
}
updated = make(chan struct{})
go Updater()
log(Info,"Staring event loop")
go eventLoop()
app.Main()
log(Info,"Event loop returned")
}
var (
l []pass.Pass
mux sync.Mutex
store *pass.Store
updated chan struct{}
)
func Updater() {
update := func() {
ltmp,err := store.List()
if err != nil {
log(Fatal, err)
}
mux.Lock()
l = ltmp
mux.Unlock()
updated <- struct{}{}
}
update()
watcher, err := fsnotify.NewWatcher()
if err != nil {
log(Fatal, err)
}
watcher.Add(store.Dir)
for {
select {
case <-watcher.Events:
update()
case e := <-watcher.Errors:
log(Info, "Watcher error: ",e)
}
}
}
type Button struct {
Face text.Face
Label string
Click gesture.Click
Color color.RGBA
clicked bool
}
func layoutRRect(col color.RGBA, c ui.Config, ops *ui.Ops, cs layout.Constraints) layout.Dimensions {
r := float32(c.Px(ui.Dp(4)))
sz := image.Point{X: cs.Width.Min, Y: cs.Height.Min}
w, h := float32(sz.X), float32(sz.Y)
rrect(ops, w, h, r, r, r, r)
paint.ColorOp{Color: col}.Add(ops)
paint.PaintOp{Rect: f32.Rectangle{Max: f32.Point{X: w, Y: h}}}.Add(ops)
return layout.Dimensions{Size: sz}
}
// https://pomax.github.io/bezierinfo/#circles_cubic.
func rrect(ops *ui.Ops, width, height, se, sw, nw, ne float32) {
w, h := float32(width), float32(height)
const c = 0.55228475 // 4*(sqrt(2)-1)/3
var b paint.PathBuilder
b.Init(ops)
b.Move(f32.Point{X: w, Y: h - se})
b.Cube(f32.Point{X: 0, Y: se * c}, f32.Point{X: -se + se*c, Y: se}, f32.Point{X: -se, Y: se}) // SE
b.Line(f32.Point{X: sw - w + se, Y: 0})
b.Cube(f32.Point{X: -sw * c, Y: 0}, f32.Point{X: -sw, Y: -sw + sw*c}, f32.Point{X: -sw, Y: -sw}) // SW
b.Line(f32.Point{X: 0, Y: nw - h + sw})
b.Cube(f32.Point{X: 0, Y: -nw * c}, f32.Point{X: nw - nw*c, Y: -nw}, f32.Point{X: nw, Y: -nw}) // NW
b.Line(f32.Point{X: w - ne - nw, Y: 0})
b.Cube(f32.Point{X: ne * c, Y: 0}, f32.Point{X: ne, Y: ne - ne*c}, f32.Point{X: ne, Y: ne}) // NE
b.End()
}
func (b *Button) Layout(c ui.Config, ops *ui.Ops, q input.Queue, 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 {
b.clicked = true
}
}
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.Label,
}
ins := layout.UniformInset(ui.Dp(4))
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()))
dims = st.Layout(c1, c2)
return ins.End(dims)
}
func (b *Button) Clicked() bool {
return b.clicked
}
func eventLoop() {
w := app.NewWindow(app.WithWidth(ui.Dp(250)))
q := w.Queue()
_ = q
ops := new(ui.Ops)
var faces measure.Faces
regular, err := sfnt.Parse(goregular.TTF)
if err != nil {
log(Fatal, "Cannot parse font.")
}
face := faces.For(regular, ui.Sp(16))
margin := layout.UniformInset(ui.Dp(10))
passInput := &text.Editor{Face: face, SingleLine: true}
passInput.SetText("passphrase")
passSubmit := &Button{Face: face, Label: "submit"}
lst := &layout.List{Axis: layout.Vertical}
passBtns := make([]*Button,0)
_ = passInput
_ = passSubmit
pathnames := make([]string,0)
updateBtns := func() {
passBtns = passBtns[:0]
pathnames = pathnames[:0]
mux.Lock()
for _,x := range l {
_, n := path.Split(x.Pathname)
s := strings.Repeat(" /",x.Level)
z := ""
if x.Dir { z = "/" }
passBtns = append(passBtns,&Button{
Face:face,
Label:strings.Join([]string{s,n,z},""),
Color: color.RGBA{A: 0xff, R: 0xf0, G: 0xf0, B: 0xf0},
})
pathnames = append(pathnames, x.Pathname)
}
mux.Unlock()
}
updateBtns()
for {
select {
case <-updated:
log(Info,"UPDATE")
updateBtns()
w.Invalidate()
case e := <-w.Events():
switch e := e.(type) {
case app.DestroyEvent:
return
case app.UpdateEvent:
c := &e.Config
ops.Reset()
faces.Reset(c)
var dims layout.Dimensions
cs := layout.RigidConstraints(e.Size)
cs = margin.Begin(c, ops, cs)
mux.Lock()
if lst.Dragging() {
key.HideInputOp{}.Add(ops)
}
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 {
pass.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)
}
}
}
}

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cmd/gpass/main.go Normal file
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package main
import (
"fmt"
"os"
"path"
"strings"
"gitlab.wow.st/gmp/pass"
)
func usage() {
fmt.Println("gpass [-c|--clip] [name]")
os.Exit(-1)
}
type options struct {
clip bool
}
func parse(args []string) ([]string,options) {
ret := make([]string,0)
opts := options{}
for _,a := range args {
switch {
case a == "-c",a == "--clip":
opts.clip = true
case a[0] == '-':
usage()
default:
ret = append(ret,a)
}
}
return ret,opts
}
func main() {
store,err := pass.GetStore()
if err != nil {
fmt.Println(err)
os.Exit(-1)
}
args := os.Args[1:]
args,opts := parse(args)
switch len(args) {
case 0:
l,err := store.List()
if err != nil {
fmt.Println(err)
os.Exit(-1)
}
for _, x := range l {
_, n := path.Split(x.Pathname)
s := strings.Repeat(" /",x.Level)
z := ""
if x.Dir { z = "/" }
fmt.Println(strings.Join([]string{s,n,z},""))
}
case 1:
p,err := store.Decrypt(args[0])
if err != nil {
fmt.Println(err)
os.Exit(-1)
}
if opts.clip {
pass.Clip(p)
} else {
fmt.Print(p)
}
default:
usage()
}
pass.AskPass2()
}

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impl_darwin.go Normal file
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//+build !android !linux
package pass
import (
"fmt"
"bufio"
"bytes"
"os"
"os/exec"
"os/user"
"path"
"strconv"
)
func setAgentInfo() {
// get UID
usr, err := user.Current()
if err != nil {
fmt.Printf("Error: cannot get user ID: %s\n", err)
return
}
uid := usr.Uid
// get GPG Agent PID
output, err := exec.Command("pgrep", "-U", uid, "gpg-agent").Output()
if err != nil {
fmt.Printf("Error: %s\n", err)
return
} else {
fmt.Printf("gpg-agent process number is %s\n", output)
}
pid, err := strconv.Atoi(string(output[:len(output)-1]))
if err != nil {
fmt.Printf("Integer conversion failed: %s\n", err)
return
}
// find agent socket file
cmd := exec.Command("lsof", "-w", "-Fn", "-u", uid, "-baUcgpg-agent")
stdout, err := cmd.StdoutPipe()
if err != nil {
fmt.Printf("Error: connect stdout to lsof: %s\n", err)
return
}
scanner := bufio.NewScanner(stdout)
err = cmd.Start()
if err != nil {
fmt.Printf("Error: cannot run lsof: %s\n", err)
}
filename := ""
for scanner.Scan() {
x := scanner.Text()
if x[0] != 'n' {
continue
}
x = x[1:]
if path.Base(x) == "S.gpg-agent" {
fmt.Println(x)
filename = x
}
}
cmd.Wait()
if filename == "" {
fmt.Printf("Error: gpg-agent socket file not found\n")
return
}
s := fmt.Sprintf("%s:%d:1", filename, pid)
fmt.Printf("GPG_AGENT_INFO = %s\n", s)
os.Setenv("GPG_AGENT_INFO",s)
}
func init() {
setAgentInfo()
}
func Clip(x string) {
b := bytes.NewBuffer([]byte(x))
cmd := exec.Command("pbcopy")
cmd.Stdin = b
cmd.Run()
}

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main.go Normal file
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package pass
import (
"bufio"
"encoding/hex"
"fmt"
"io"
"io/ioutil"
"os"
"os/user"
"path"
"regexp"
"sort"
"strings"
"github.com/jcmdev0/gpgagent"
"golang.org/x/crypto/openpgp"
"golang.org/x/crypto/openpgp/armor"
"golang.org/x/crypto/openpgp/packet"
)
var (
basename *regexp.Regexp
)
func init() {
basename = regexp.MustCompile(".gpg$")
}
type Store struct {
Dir string
keyring openpgp.KeyRing
}
func GetStore() (*Store, error) {
ret := &Store{}
u, err := user.Current()
if err != nil {
return ret, fmt.Errorf("Can't get current user.")
}
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")
}
kr, err := openpgp.ReadKeyRing(fd)
if err != nil {
return ret, fmt.Errorf("Can't open gnupg keyring.")
}
ret.keyring = kr
return ret, nil
}
type caseInsensitive []os.FileInfo
func (fs caseInsensitive) Len() int { return len(fs) }
func (fs caseInsensitive) Swap(i, j int) { fs[i], fs[j] = fs[j], fs[i] }
func (fs caseInsensitive) Less(i, j int) bool {
return strings.ToLower(fs[i].Name()) < strings.ToLower(fs[j].Name())
}
type Pass struct {
Pathname string
Level int
Dir bool
}
func (s *Store) List() ([]Pass,error) {
return s.list(0,"")
}
func (s *Store) list(level int, p string) ([]Pass,error) {
ret := make([]Pass,0)
dir := path.Join(s.Dir,p)
fd, err := os.Open(dir)
defer fd.Close()
if err != nil {
return nil, fmt.Errorf("Cannot open password store")
}
files, err := fd.Readdir(0)
if err != nil {
return nil, fmt.Errorf("Cannot read password store")
}
sort.Sort(caseInsensitive(files))
for _, x := range files {
n := basename.ReplaceAllLiteralString(x.Name(),"")
entry := Pass{Pathname: path.Join(p,n),Level: level}
if n[0] == '.' {
continue
}
if x.IsDir() {
entry.Dir = true
ret = append(ret,entry)
l,err := s.list(level+1,path.Join(p,x.Name()))
if err != nil {
return nil,err
}
ret = append(ret,l...)
} else {
ret = append(ret,entry)
}
}
return ret,nil
}
func AskPass(prompts ...func() []byte) openpgp.PromptFunction {
var prompt func() []byte
if len(prompts) > 0 {
prompt = prompts[0]
} else {
prompt = func() []byte {
fmt.Print("AskPass(): enter passphrase: ")
reader := bufio.NewReader(os.Stdin)
text, _ := reader.ReadString('\n')
return []byte(text[:len(text)-1])
}
}
var err error
var passphrase []byte
dec := func(p *packet.PrivateKey) {
for i := 0; i<3; i++ {
if err = p.Decrypt(passphrase); err == nil {
break
}
passphrase = prompt()
}
}
var ret openpgp.PromptFunction
ret = func(keys []openpgp.Key, symmetric bool) ([]byte, error) {
if !symmetric {
for _,k := range keys {
if p := k.PrivateKey; p != nil && p.Encrypted {
dec(p)
}
for _, s := range k.Entity.Subkeys {
if p := s.PrivateKey; p != nil && p.Encrypted {
dec(p)
}
}
}
}
return passphrase, err
}
return ret
}
//https://github.com/jcmdev0/gpgagent/blob/master/example/example.go
func GPGPrompt(keys []openpgp.Key, symmetric bool) ([]byte, error) {
conn, err := gpgagent.NewGpgAgentConn()
if err != nil {
return nil, err
}
defer conn.Close()
for _, key := range keys {
cacheId := strings.ToUpper(hex.EncodeToString(key.PublicKey.Fingerprint[:]))
request := gpgagent.PassphraseRequest{CacheKey: cacheId}
passphrase, err := conn.GetPassphrase(&request)
if err != nil {
return nil, err
}
err = key.PrivateKey.Decrypt([]byte(passphrase))
if err != nil {
return nil, err
}
return []byte(passphrase), nil
}
return nil, fmt.Errorf("Unable to find key")
}
func (s *Store) Decrypt(name string, prompts ...func() []byte) (string,error) {
var ask openpgp.PromptFunction
if len(prompts) > 0 {
ask = AskPass(prompts...)
} else {
ask = GPGPrompt
}
file := path.Join(s.Dir, strings.Join([]string{name,".gpg"},""))
if _, err := os.Stat(file); os.IsNotExist(err) {
return "",fmt.Errorf("Not in password store.")
}
fd, err := os.Open(file)
defer fd.Close()
if err != nil {
return "",err
}
var reader io.Reader
unarmor, err := armor.Decode(fd)
if err == nil {
reader = unarmor.Body
} else {
fd.Close()
fd, err = os.Open(file)
defer fd.Close()
if err != nil {
return "",err
}
reader = fd
}
md, err := openpgp.ReadMessage(reader,s.keyring,ask,nil)
if err != nil {
fmt.Println("Error reading message")
return "",err
}
ra, err := ioutil.ReadAll(md.UnverifiedBody)
if err != nil {
return "",err
}
return string(ra), nil
}