authelia/internal/handlers/handler_sign_totp.go
James Elliott 40fb13ba3c
[FEATURE] TOTP Tuning Configuration Options and Fix Timer Graphic (#773)
* Add period TOPT config key to define the time in seconds each OTP is rotated
* Add skew TOTP config to define how many keys either side of the current one should be considered valid
* Add tests and set minimum values
* Update config template
* Use unix epoch for position calculation and Fix QR gen
  * This resolves the timer resetting improperly at the 0 seconds mark and allows for periods longer than 1 minute
* Generate QR based on period
* Fix OTP timer graphic
2020-03-25 12:48:20 +11:00

57 lines
1.6 KiB
Go

package handlers
import (
"fmt"
"github.com/authelia/authelia/internal/authentication"
"github.com/authelia/authelia/internal/middlewares"
)
// SecondFactorTOTPPost validate the TOTP passcode provided by the user.
func SecondFactorTOTPPost(totpVerifier TOTPVerifier) middlewares.RequestHandler {
return func(ctx *middlewares.AutheliaCtx) {
bodyJSON := signTOTPRequestBody{}
err := ctx.ParseBody(&bodyJSON)
if err != nil {
ctx.Error(err, mfaValidationFailedMessage)
return
}
userSession := ctx.GetSession()
secret, err := ctx.Providers.StorageProvider.LoadTOTPSecret(userSession.Username)
if err != nil {
ctx.Error(fmt.Errorf("Unable to load TOTP secret: %s", err), mfaValidationFailedMessage)
return
}
isValid, err := totpVerifier.Verify(bodyJSON.Token, secret)
if err != nil {
ctx.Error(fmt.Errorf("Error occurred during OTP validation for user %s: %s", userSession.Username, err), mfaValidationFailedMessage)
return
}
if !isValid {
ctx.Error(fmt.Errorf("Wrong passcode during TOTP validation for user %s", userSession.Username), mfaValidationFailedMessage)
return
}
err = ctx.Providers.SessionProvider.RegenerateSession(ctx.RequestCtx)
if err != nil {
ctx.Error(fmt.Errorf("Unable to regenerate session for user %s: %s", userSession.Username, err), authenticationFailedMessage)
return
}
userSession.AuthenticationLevel = authentication.TwoFactor
err = ctx.SaveSession(userSession)
if err != nil {
ctx.Error(fmt.Errorf("Unable to update the authentication level with TOTP: %s", err), mfaValidationFailedMessage)
return
}
Handle2FAResponse(ctx, bodyJSON.TargetURL)
}
}