authelia/internal/handlers/handler_sign_u2f_step2.go

83 lines
2.4 KiB
Go

package handlers
import (
"errors"
"github.com/authelia/authelia/v4/internal/middlewares"
"github.com/authelia/authelia/v4/internal/regulation"
)
// SecondFactorU2FSignPost handler for completing a signing request.
func SecondFactorU2FSignPost(u2fVerifier U2FVerifier) middlewares.RequestHandler {
return func(ctx *middlewares.AutheliaCtx) {
var (
requestBody signU2FRequestBody
err error
)
if err := ctx.ParseBody(&requestBody); err != nil {
ctx.Logger.Errorf(logFmtErrParseRequestBody, regulation.AuthTypeFIDO, err)
respondUnauthorized(ctx, messageMFAValidationFailed)
return
}
userSession := ctx.GetSession()
if userSession.U2FChallenge == nil {
_ = markAuthenticationAttempt(ctx, false, nil, userSession.Username, regulation.AuthTypeFIDO, errors.New("session did not contain a challenge"))
respondUnauthorized(ctx, messageMFAValidationFailed)
return
}
if userSession.U2FRegistration == nil {
_ = markAuthenticationAttempt(ctx, false, nil, userSession.Username, regulation.AuthTypeFIDO, errors.New("session did not contain a registration"))
respondUnauthorized(ctx, messageMFAValidationFailed)
return
}
if err = u2fVerifier.Verify(userSession.U2FRegistration.KeyHandle, userSession.U2FRegistration.PublicKey,
requestBody.SignResponse, *userSession.U2FChallenge); err != nil {
_ = markAuthenticationAttempt(ctx, false, nil, userSession.Username, regulation.AuthTypeFIDO, err)
respondUnauthorized(ctx, messageMFAValidationFailed)
return
}
if err = ctx.Providers.SessionProvider.RegenerateSession(ctx.RequestCtx); err != nil {
ctx.Logger.Errorf(logFmtErrSessionRegenerate, regulation.AuthTypeFIDO, userSession.Username, err)
respondUnauthorized(ctx, messageMFAValidationFailed)
return
}
if err = markAuthenticationAttempt(ctx, true, nil, userSession.Username, regulation.AuthTypeFIDO, nil); err != nil {
respondUnauthorized(ctx, messageMFAValidationFailed)
return
}
userSession.SetTwoFactor(ctx.Clock.Now())
err = ctx.SaveSession(userSession)
if err != nil {
ctx.Logger.Errorf(logFmtErrSessionSave, "authentication time", regulation.AuthTypeFIDO, userSession.Username, err)
respondUnauthorized(ctx, messageMFAValidationFailed)
return
}
if userSession.OIDCWorkflowSession != nil {
handleOIDCWorkflowResponse(ctx)
} else {
Handle2FAResponse(ctx, requestBody.TargetURL)
}
}
}