Support pass-otp

fixes #73, #99

Gopkg.toml

@@ -0,0 +1,30 @@
+
+# Gopkg.toml example
+#
+# Refer to https://github.com/golang/dep/blob/master/docs/Gopkg.toml.md
+# for detailed Gopkg.toml documentation.
+#
+# required = ["github.com/user/thing/cmd/thing"]
+# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
+#
+# [[constraint]]
+#   name = "github.com/user/project"
+#   version = "1.0.0"
+#
+# [[constraint]]
+#   name = "github.com/user/project2"
+#   branch = "dev"
+#   source = "github.com/myfork/project2"
+#
+# [[override]]
+#  name = "github.com/x/y"
+#  version = "2.4.0"
+
+
+[[constraint]]
+  branch = "master"
+  name = "github.com/gokyle/twofactor"
+
+[[constraint]]
+  branch = "master"
+  name = "github.com/mattn/go-zglob"

browserpass.go

@@ -6,19 +6,24 @@ import (
 	"encoding/binary"
 	"encoding/json"
 	"errors"
+	"fmt"
 	"io"
+	"net/url"
 	"os/exec"
 	"path/filepath"
 	"regexp"
 	"strings"
 
 	"github.com/dannyvankooten/browserpass/pass"
+	"github.com/gokyle/twofactor"
 )
 
 // Login represents a single pass login.
 type Login struct {
 	Username string `json:"u"`
 	Password string `json:"p"`
+	OTP      string `json:"digits"`
+	otpLabel string `json:"label"`
 }
 
 var endianness = binary.LittleEndian
@@ -126,14 +131,41 @@ func readLoginGPG(r io.Reader) (*Login, error) {
 	if err != nil {
 		return nil, err
 	}
-	rc.Close()
+
+	defer rc.Close()
 
 	if err := cmd.Wait(); err != nil {
 		return nil, errors.New(err.Error() + "\n" + errbuf.String())
 	}
 	return login, nil
 }
 
+func parseTotp(str string, l *Login) error {
+	re := regexp.MustCompile("^otpauth.*$")
+	ourl := re.FindString(str)
+
+	if ourl != "" {
+		u, err := url.Parse(ourl)
+
+		if u.Scheme != "otpauth" {
+			return nil
+		}
+
+		v := u.Query()
+		v.Set("secret", strings.ToUpper(v.Get("secret")))
+		ourl = fmt.Sprintf("%s://%s/%s?%s", u.Scheme, u.Host, u.Path[1:], v.Encode())
+
+		o, label, err := twofactor.FromURL(ourl)
+		if err != nil {
+			return err
+		}
+		l.OTP = o.OTP()
+		l.otpLabel = label
+	}
+
+	return nil
+}
+
 // parseLogin parses a login and a password from a decrypted password file.
 func parseLogin(r io.Reader) (*Login, error) {
 	login := new(Login)
@@ -148,6 +180,7 @@ func parseLogin(r io.Reader) (*Login, error) {
 	re := regexp.MustCompile("(?i)^(login|username|user):")
 	for scanner.Scan() {
 		line := scanner.Text()
+		parseTotp(line, login)
 		replaced := re.ReplaceAllString(line, "")
 		if len(replaced) != len(line) {
 			login.Username = strings.TrimSpace(replaced)

browserpass_test.go

@@ -3,6 +3,8 @@ package browserpass
 import (
 	"strings"
 	"testing"
+
+	"github.com/gokyle/twofactor"
 )
 
 func TestParseLogin(t *testing.T) {
@@ -21,6 +23,30 @@ func TestParseLogin(t *testing.T) {
 	}
 }
 
+func TestOtp(t *testing.T) {
+	r := strings.NewReader("password\n\nfoo\nlogin: bar\notpauth://totp/totp-secret?secret=GEZDGNBVGY3TQOJQGEZDGNBVGY3TQOJQ&issuer=test")
+
+	login, err := parseLogin(r)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if login.otpLabel != "totp-secret" {
+		t.Errorf("otpLabel is '%s', expected '%s'", login.otpLabel, "totp-secret")
+	}
+
+	o, err := twofactor.NewGoogleTOTP("GEZDGNBVGY3TQOJQGEZDGNBVGY3TQOJQ")
+	if err != nil {
+		t.Error(err)
+	}
+
+	otp := o.OTP()
+
+	if login.OTP != otp {
+		t.Errorf("OTP is %s, expected %s", login.OTP, otp)
+	}
+}
+
 func TestGuessUsername(t *testing.T) {
 	tests := map[string]string{
 		"foo":     "",

chrome/inject.browserify.js

@@ -80,6 +80,10 @@
   update(field(PASSWORD_FIELDS), login.p);
   update(field(USERNAME_FIELDS), login.u);
 
+  if (login.digits) {
+    alert(login.digits);
+  }
+
   var password_inputs = queryAllVisible(form(), PASSWORD_FIELDS);
   if (autoSubmit == "false" || password_inputs.length > 1) {
     password_inputs[1].select();

makefile

@@ -23,7 +23,7 @@ firefox:
 .PHONY: js
 js: $(JS_OUTPUT)
 
-chrome/script.js: chrome/script.browserify.js 
+chrome/script.js: chrome/script.browserify.js
 	browserify chrome/script.browserify.js -o chrome/script.js
 
 chrome/inject.js: chrome/inject.browserify.js
@@ -52,6 +52,14 @@ browserpass-openbsd64: cmd/browserpass/ pass/ browserpass.go
 browserpass-freebsd64: cmd/browserpass/ pass/ browserpass.go
 	env GOOS=freebsd GOARCH=amd64 go build -o $@ ./cmd/browserpass
 
+clean:
+	rm -f browserpass-*
+	rm -rf release
+	git clean -fdx chrome/
+	git clean -fdx firefox/
+	rm -f *.crx
+	rm -f *-host.json
+
 .PHONY: static-files chrome firefox
 release: static-files chrome firefox browserpass-linux64 browserpass-darwinx64 browserpass-openbsd64 browserpass-freebsd64 browserpass-windows64
 	mkdir -p release