authelia/internal/handlers/handler_sign_totp.go

61 lines
1.8 KiB
Go

package handlers
import (
"fmt"
"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) {
requestBody := signTOTPRequestBody{}
err := ctx.ParseBody(&requestBody)
if err != nil {
handleAuthenticationUnauthorized(ctx, err, mfaValidationFailedMessage)
return
}
userSession := ctx.GetSession()
secret, err := ctx.Providers.StorageProvider.LoadTOTPSecret(userSession.Username)
if err != nil {
handleAuthenticationUnauthorized(ctx, fmt.Errorf("Unable to load TOTP secret: %s", err), mfaValidationFailedMessage)
return
}
isValid, err := totpVerifier.Verify(requestBody.Token, secret)
if err != nil {
handleAuthenticationUnauthorized(ctx, fmt.Errorf("Error occurred during OTP validation for user %s: %s", userSession.Username, err), mfaValidationFailedMessage)
return
}
if !isValid {
handleAuthenticationUnauthorized(ctx, fmt.Errorf("Wrong passcode during TOTP validation for user %s", userSession.Username), mfaValidationFailedMessage)
return
}
err = ctx.Providers.SessionProvider.RegenerateSession(ctx.RequestCtx)
if err != nil {
handleAuthenticationUnauthorized(ctx, fmt.Errorf("Unable to regenerate session for user %s: %s", userSession.Username, err), mfaValidationFailedMessage)
return
}
userSession.SetTwoFactor(ctx.Clock.Now())
err = ctx.SaveSession(userSession)
if err != nil {
handleAuthenticationUnauthorized(ctx, fmt.Errorf("Unable to update the authentication level with TOTP: %s", err), mfaValidationFailedMessage)
return
}
if userSession.OIDCWorkflowSession != nil {
handleOIDCWorkflowResponse(ctx)
} else {
Handle2FAResponse(ctx, requestBody.TargetURL)
}
}
}