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package handlers
import (
"fmt"
"github.com/go-webauthn/webauthn/webauthn"
"github.com/authelia/authelia/v4/internal/middlewares"
"github.com/authelia/authelia/v4/internal/model"
"github.com/authelia/authelia/v4/internal/random"
)
const (
webauthnCredentialDescriptionMaxLen = 64
)
func handleGetWebAuthnUserByRPID(ctx *middlewares.AutheliaCtx, username, displayname string, rpid string) (user *model.WebAuthnUser, err error) {
if user, err = ctx.Providers.StorageProvider.LoadWebAuthnUser(ctx, rpid, username); err != nil {
return nil, err
}
if user == nil {
user = &model.WebAuthnUser{
RPID: rpid,
Username: username,
UserID: ctx.Providers.Random.StringCustom(64, random.CharSetASCII),
DisplayName: displayname,
}
if err = ctx.Providers.StorageProvider.SaveWebAuthnUser(ctx, *user); err != nil {
return nil, err
}
} else {
user.DisplayName = displayname
}
if user.DisplayName == "" {
user.DisplayName = user.Username
}
if user.Credentials, err = ctx.Providers.StorageProvider.LoadWebAuthnCredentialsByUsername(ctx, rpid, user.Username); err != nil {
return nil, err
}
return user, nil
}
func handlerWebAuthnDiscoverableLogin(ctx *middlewares.AutheliaCtx, rpid string) webauthn.DiscoverableUserHandler {
return func(rawID, userHandle []byte) (user webauthn.User, err error) {
var u *model.WebAuthnUser
if u, err = ctx.Providers.StorageProvider.LoadWebAuthnUserByUserID(ctx, rpid, string(userHandle)); err != nil {
return nil, err
} else if u == nil {
return nil, fmt.Errorf("user not found")
}
if u.Credentials, err = ctx.Providers.StorageProvider.LoadWebAuthnPasskeyCredentialsByUsername(ctx, rpid, u.Username); err != nil {
return nil, err
}
return u, nil
}
}
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