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package validator
import (
"errors"
"fmt"
"github.com/go-webauthn/webauthn/protocol"
"github.com/authelia/authelia/v4/internal/configuration/schema"
"github.com/authelia/authelia/v4/internal/utils"
)
// ValidateWebAuthn validates and update WebAuthn configuration.
func ValidateWebAuthn(config *schema.Configuration, validator *schema.StructValidator) {
if config.WebAuthn.DisplayName == "" {
config.WebAuthn.DisplayName = schema.DefaultWebAuthnConfiguration.DisplayName
}
if config.WebAuthn.Timeout <= 0 {
config.WebAuthn.Timeout = schema.DefaultWebAuthnConfiguration.Timeout
}
switch {
case config.WebAuthn.ConveyancePreference == "":
config.WebAuthn.ConveyancePreference = schema.DefaultWebAuthnConfiguration.ConveyancePreference
case !utils.IsStringInSlice(string(config.WebAuthn.ConveyancePreference), validWebAuthnConveyancePreferences):
validator.Push(fmt.Errorf(errFmtWebAuthnConveyancePreference, utils.StringJoinOr(validWebAuthnConveyancePreferences), config.WebAuthn.ConveyancePreference))
}
if config.WebAuthn.SelectionCriteria.Attachment != "" && !utils.IsStringInSlice(string(config.WebAuthn.SelectionCriteria.Attachment), validWebAuthnAttachment) {
validator.Push(fmt.Errorf(errFmtWebAuthnSelectionCriteria, "attachment", utils.StringJoinOr(validWebAuthnAttachment), config.WebAuthn.SelectionCriteria.Attachment))
}
if config.WebAuthn.SelectionCriteria.Discoverability != "" && !utils.IsStringInSlice(string(config.WebAuthn.SelectionCriteria.Discoverability), validWebAuthnDiscoverability) {
validator.Push(fmt.Errorf(errFmtWebAuthnSelectionCriteria, "discoverability", utils.StringJoinOr(validWebAuthnDiscoverability), config.WebAuthn.SelectionCriteria.Discoverability))
}
if config.WebAuthn.SelectionCriteria.UserVerification != "" && !utils.IsStringInSlice(string(config.WebAuthn.SelectionCriteria.UserVerification), validWebAuthnUserVerificationRequirement) {
validator.Push(fmt.Errorf(errFmtWebAuthnSelectionCriteria, "user_verification", utils.StringJoinOr(validWebAuthnUserVerificationRequirement), config.WebAuthn.SelectionCriteria.UserVerification))
}
if config.WebAuthn.EnablePasskeyLogin && config.WebAuthn.SelectionCriteria.Discoverability == protocol.ResidentKeyRequirementDiscouraged {
validator.PushWarning(fmt.Errorf(errFmtWebAuthnPasskeyDiscoverability, protocol.ResidentKeyRequirementPreferred, protocol.ResidentKeyRequirementRequired))
}
if len(config.WebAuthn.Filtering.PermittedAAGUIDs) != 0 && len(config.WebAuthn.Filtering.ProhibitedAAGUIDs) != 0 {
validator.Push(errors.New(errFmtWebAuthnFiltering))
}
}
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