213 lines
12 KiB
TypeScript
213 lines
12 KiB
TypeScript
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import React, { useCallback, useRef, useState, memo } from "react";
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import Template from "./Template";
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import type { KcProps } from "./KcProps";
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import type { KcContextBase } from "../getKcContext/KcContextBase";
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import { useCssAndCx } from "../tools/useCssAndCx";
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import type { I18n, MessageKeyBase } from "../i18n";
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import { base64url } from "rfc4648";
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const WebauthnAuthenticate = memo(
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({
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kcContext,
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i18n,
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doFetchDefaultThemeResources = true,
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...props
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}: { kcContext: KcContextBase.WebauthnAuthenticate; i18n: I18n; doFetchDefaultThemeResources?: boolean } & KcProps) => {
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const { url } = kcContext;
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const { msg, msgStr } = i18n;
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const { authenticators, challenge, shouldDisplayAuthenticators, userVerification, rpId } = kcContext;
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const createTimeout = Number(kcContext.createTimeout);
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const isUserIdentified = kcContext.isUserIdentified == "true";
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const { cx } = useCssAndCx();
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const webAuthnAuthenticate = useCallback(() => {
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if (!isUserIdentified) {
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return;
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}
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checkAllowCredentials();
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function checkAllowCredentials() {
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const allowCredentials = authenticators.authenticators.map(
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authenticator =>
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({
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id: base64url.parse(authenticator.credentialId, { loose: true }),
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type: "public-key"
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} as PublicKeyCredentialDescriptor)
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);
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doAuthenticate(allowCredentials);
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}
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function doAuthenticate(allowCredentials: PublicKeyCredentialDescriptor[]) {
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// Check if WebAuthn is supported by this browser
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if (!window.PublicKeyCredential) {
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setError(msgStr("webauthn-unsupported-browser-text"));
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submitForm();
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return;
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}
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const publicKey: PublicKeyCredentialRequestOptions = {
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rpId,
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challenge: base64url.parse(challenge, { loose: true })
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};
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if (createTimeout !== 0) {
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publicKey.timeout = createTimeout * 1000;
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}
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if (allowCredentials.length) {
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publicKey.allowCredentials = allowCredentials;
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}
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if (userVerification !== "not specified") {
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publicKey.userVerification = userVerification;
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}
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navigator.credentials
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.get({ publicKey })
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.then(resultRaw => {
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if (!resultRaw || resultRaw.type != "public-key") return;
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const result = resultRaw as PublicKeyCredential;
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if (!("authenticatorData" in result.response)) return;
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const response = result.response as AuthenticatorAssertionResponse;
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let clientDataJSON = response.clientDataJSON;
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let authenticatorData = response.authenticatorData;
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let signature = response.signature;
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setClientDataJSON(base64url.stringify(new Uint8Array(clientDataJSON), { pad: false }));
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setAuthenticatorData(base64url.stringify(new Uint8Array(authenticatorData), { pad: false }));
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setSignature(base64url.stringify(new Uint8Array(signature), { pad: false }));
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setCredentialId(result.id);
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setUserHandle(base64url.stringify(new Uint8Array(response.userHandle!), { pad: false }));
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submitForm();
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})
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.catch(err => {
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setError(err);
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submitForm();
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});
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}
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}, [kcContext]);
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const webAuthForm = useRef<HTMLFormElement>(null);
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const submitForm = useCallback(() => {
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webAuthForm.current!.submit();
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}, [webAuthForm.current]);
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const [clientDataJSON, setClientDataJSON] = useState("");
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const [authenticatorData, setAuthenticatorData] = useState("");
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const [signature, setSignature] = useState("");
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const [credentialId, setCredentialId] = useState("");
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const [userHandle, setUserHandle] = useState("");
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const [error, setError] = useState("");
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return (
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<Template
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{...{ kcContext, i18n, doFetchDefaultThemeResources, ...props }}
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headerNode={msg("webauthn-login-title")}
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formNode={
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<div id="kc-form-webauthn" className={cx(props.kcFormClass)}>
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<form id="webauth" action={url.loginAction} ref={webAuthForm} method="post">
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<input type="hidden" id="clientDataJSON" name="clientDataJSON" value={clientDataJSON} />
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<input type="hidden" id="authenticatorData" name="authenticatorData" value={authenticatorData} />
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<input type="hidden" id="signature" name="signature" value={signature} />
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<input type="hidden" id="credentialId" name="credentialId" value={credentialId} />
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<input type="hidden" id="userHandle" name="userHandle" value={userHandle} />
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<input type="hidden" id="error" name="error" value={error} />
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</form>
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<div className={cx(props.kcFormGroupClass)}>
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{authenticators &&
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(() => (
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<form id="authn_select" className={cx(props.kcFormClass)}>
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{authenticators.authenticators.map(authenticator => (
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<input
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type="hidden"
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name="authn_use_chk"
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value={authenticator.credentialId}
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key={authenticator.credentialId}
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/>
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))}
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</form>
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))()}
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{authenticators &&
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shouldDisplayAuthenticators &&
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(() => (
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<>
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{authenticators.authenticators.length > 1 && (
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<p className={cx(props.kcSelectAuthListItemTitle)}>{msg("webauthn-available-authenticators")}</p>
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)}
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<div className={cx(props.kcFormClass)}>
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{authenticators.authenticators.map(authenticator => (
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<div id="kc-webauthn-authenticator" className={cx(props.kcSelectAuthListItemClass)}>
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<div className={cx(props.kcSelectAuthListItemIconClass)}>
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<i
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className={cx(
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props[authenticator.transports.iconClass] ?? props.kcWebAuthnDefaultIcon,
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props.kcSelectAuthListItemIconPropertyClass
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)}
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/>
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</div>
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<div className={cx(props.kcSelectAuthListItemBodyClass)}>
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<div
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id="kc-webauthn-authenticator-label"
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className={cx(props.kcSelectAuthListItemHeadingClass)}
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>
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{authenticator.label}
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</div>
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{authenticator.transports && authenticator.transports.displayNameProperties.length && (
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<div
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id="kc-webauthn-authenticator-transport"
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className={cx(props.kcSelectAuthListItemDescriptionClass)}
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>
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{authenticator.transports.displayNameProperties.map(
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(transport: MessageKeyBase, index: number) => (
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<>
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<span>{msg(transport)}</span>
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{index < authenticator.transports.displayNameProperties.length - 1 && (
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<span>{", "}</span>
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)}
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</>
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)
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)}
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</div>
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)}
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<div className={cx(props.kcSelectAuthListItemDescriptionClass)}>
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<span id="kc-webauthn-authenticator-created-label">
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{msg("webauthn-createdAt-label")}
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</span>
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<span id="kc-webauthn-authenticator-created">{authenticator.createdAt}</span>
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</div>
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</div>
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<div className={cx(props.kcSelectAuthListItemFillClass)} />
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</div>
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))}
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</div>
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</>
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))()}
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<div id="kc-form-buttons" className={cx(props.kcFormButtonsClass)}>
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<input
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id="authenticateWebAuthnButton"
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type="button"
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onClick={webAuthnAuthenticate}
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autoFocus={true}
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value={msgStr("webauthn-doAuthenticate")}
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className={cx(
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props.kcButtonClass,
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props.kcButtonPrimaryClass,
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props.kcButtonBlockClass,
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props.kcButtonLargeClass
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)}
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/>
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</div>
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</div>
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</div>
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}
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/>
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);
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}
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);
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export default WebauthnAuthenticate;
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