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handler_sign_totp.go
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/
handler_sign_totp.go
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package handlers
import (
"fmt"
"net/url"
"github.com/clems4ever/authelia/authentication"
"github.com/clems4ever/authelia/middlewares"
"github.com/pquerna/otp/totp"
)
// SecondFactorTOTPPost validate the TOTP passcode provided by the user.
func SecondFactorTOTPPost(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 := totp.Validate(bodyJSON.Token, secret)
if !isValid {
ctx.Error(fmt.Errorf("Wrong passcode during TOTP validation for user %s", userSession.Username), mfaValidationFailedMessage)
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
}
if bodyJSON.TargetURL != "" {
targetURL, err := url.ParseRequestURI(bodyJSON.TargetURL)
if err != nil {
ctx.Error(fmt.Errorf("Unable to parse URL with TOTP: %s", err), mfaValidationFailedMessage)
return
}
if targetURL != nil && isRedirectionSafe(*targetURL, ctx.Configuration.Session.Domain) {
ctx.SetJSONBody(redirectResponse{bodyJSON.TargetURL})
} else {
ctx.ReplyOK()
}
} else {
ctx.ReplyOK()
}
}