Two factor authentication support (#630)

* Initial commit for 2FA support

Signed-off-by: Andrew <write@imaginarycode.com>

* Add vendored files

* Add missing depends

* A few clean ups

* Added improvements, proper encryption

* Better encryption key

* Simplify "key" generation

* Make 2FA enrollment page more robust

* Fix typo

* Rename twofa/2FA to TwoFactor

* UNIQUE INDEX -> UNIQUE

1 files changed, 20 insertions, 0 deletions

diff --git a/modules/auth/user_form.go b/modules/auth/user_form.go
index 1fa5b55c67..0f083a2e00 100644
--- a/modules/auth/user_form.go
+++ b/modules/auth/user_form.go
@@ -173,3 +173,23 @@ type NewAccessTokenForm struct {
 func (f *NewAccessTokenForm) Validate(ctx *macaron.Context, errs binding.Errors) binding.Errors {
 	return validate(errs, ctx.Data, f, ctx.Locale)
 }
+
+// TwoFactorAuthForm for logging in with 2FA token.
+type TwoFactorAuthForm struct {
+	Passcode string `binding:"Required"`
+}
+
+// Validate valideates the fields
+func (f *TwoFactorAuthForm) Validate(ctx *macaron.Context, errs binding.Errors) binding.Errors {
+	return validate(errs, ctx.Data, f, ctx.Locale)
+}
+
+// TwoFactorScratchAuthForm for logging in with 2FA scratch token.
+type TwoFactorScratchAuthForm struct {
+	Token string `binding:"Required"`
+}
+
+// Validate valideates the fields
+func (f *TwoFactorScratchAuthForm) Validate(ctx *macaron.Context, errs binding.Errors) binding.Errors {
+	return validate(errs, ctx.Data, f, ctx.Locale)
+}