keycloak_theme/src/login/pages/WebauthnAuthenticate.tsx
2024-05-18 01:15:58 +02:00

256 lines
13 KiB
TypeScript

import { useEffect, Fragment } from "react";
import { clsx } from "keycloakify/tools/clsx";
import type { MessageKey } from "keycloakify/login/i18n/i18n";
import type { PageProps } from "keycloakify/login/pages/PageProps";
import { useGetClassName } from "keycloakify/login/lib/useGetClassName";
import { assert } from "tsafe/assert";
import { createUseInsertScriptTags } from "keycloakify/tools/useInsertScriptTags";
import type { KcContext } from "../kcContext";
import type { I18n } from "../i18n";
const { useInsertScriptTags } = createUseInsertScriptTags();
export default function WebauthnAuthenticate(props: PageProps<Extract<KcContext, { pageId: "webauthn-authenticate.ftl" }>, I18n>) {
const { kcContext, i18n, doUseDefaultCss, Template, classes } = props;
const { getClassName } = useGetClassName({ doUseDefaultCss, classes });
const {
url,
isUserIdentified,
challenge,
userVerification,
rpId,
createTimeout,
messagesPerField,
realm,
registrationDisabled,
authenticators,
shouldDisplayAuthenticators
} = kcContext;
const { msg, msgStr } = i18n;
const { insertScriptTags } = useInsertScriptTags({
"scriptTags": [
{
"type": "text/javascript",
"src": `${url.resourcesCommonPath}/node_modules/jquery/dist/jquery.min.js`
},
{
"type": "text/javascript",
"src": `${url.resourcesPath}/js/base64url.js`
},
{
"type": "text/javascript",
"textContent": `
function webAuthnAuthenticate() {
let isUserIdentified = ${isUserIdentified};
if (!isUserIdentified) {
doAuthenticate([]);
return;
}
checkAllowCredentials();
}
function checkAllowCredentials() {
let allowCredentials = [];
let authn_use = document.forms['authn_select'].authn_use_chk;
if (authn_use !== undefined) {
if (authn_use.length === undefined) {
allowCredentials.push({
id: base64url.decode(authn_use.value, {loose: true}),
type: 'public-key',
});
} else {
for (let i = 0; i < authn_use.length; i++) {
allowCredentials.push({
id: base64url.decode(authn_use[i].value, {loose: true}),
type: 'public-key',
});
}
}
}
doAuthenticate(allowCredentials);
}
function doAuthenticate(allowCredentials) {
// Check if WebAuthn is supported by this browser
if (!window.PublicKeyCredential) {
$("#error").val("${msgStr("webauthn-unsupported-browser-text")}");
$("#webauth").submit();
return;
}
let challenge = "${challenge}";
let userVerification = "${userVerification}";
let rpId = "${rpId}";
let publicKey = {
rpId : rpId,
challenge: base64url.decode(challenge, { loose: true })
};
let createTimeout = ${createTimeout};
if (createTimeout !== 0) publicKey.timeout = createTimeout * 1000;
if (allowCredentials.length) {
publicKey.allowCredentials = allowCredentials;
}
if (userVerification !== 'not specified') publicKey.userVerification = userVerification;
navigator.credentials.get({publicKey})
.then((result) => {
window.result = result;
let clientDataJSON = result.response.clientDataJSON;
let authenticatorData = result.response.authenticatorData;
let signature = result.response.signature;
$("#clientDataJSON").val(base64url.encode(new Uint8Array(clientDataJSON), { pad: false }));
$("#authenticatorData").val(base64url.encode(new Uint8Array(authenticatorData), { pad: false }));
$("#signature").val(base64url.encode(new Uint8Array(signature), { pad: false }));
$("#credentialId").val(result.id);
if(result.response.userHandle) {
$("#userHandle").val(base64url.encode(new Uint8Array(result.response.userHandle), { pad: false }));
}
$("#webauth").submit();
})
.catch((err) => {
$("#error").val(err);
$("#webauth").submit();
})
;
}
`
}
]
});
useEffect(() => {
insertScriptTags();
}, []);
return (
<Template
{...{ kcContext, i18n, doUseDefaultCss, classes }}
displayMessage={!messagesPerField.existsError("username")}
displayInfo={realm.password && realm.registrationAllowed && !registrationDisabled}
infoNode={
<div id="kc-registration">
<span>
{msg("noAccount")}{" "}
<a tabIndex={6} href={url.registrationUrl}>
{msg("doRegister")}
</a>
</span>
</div>
}
headerNode={msg("webauthn-login-title")}
>
<div id="kc-form-webauthn" className={getClassName("kcFormClass")}>
<form id="webauth" action={url.loginAction} method="post">
<input type="hidden" id="clientDataJSON" name="clientDataJSON" />
<input type="hidden" id="authenticatorData" name="authenticatorData" />
<input type="hidden" id="signature" name="signature" />
<input type="hidden" id="credentialId" name="credentialId" />
<input type="hidden" id="userHandle" name="userHandle" />
<input type="hidden" id="error" name="error" />
</form>
<div className={clsx(getClassName("kcFormGroupClass"), "no-bottom-margin")}>
{authenticators && (
<>
<form id="authn_select" className={getClassName("kcFormClass")}>
{authenticators.authenticators.map(authenticator => (
<input type="hidden" name="authn_use_chk" value={authenticator.credentialId} />
))}
</form>
{shouldDisplayAuthenticators && (
<>
{authenticators.authenticators.length > 1 && (
<p className={getClassName("kcSelectAuthListItemTitle")}>{msg("webauthn-available-authenticators")}</p>
)}
<div className={getClassName("kcFormOptionsClass")}>
{authenticators.authenticators.map((authenticator, i) => (
<div key={i} id="kc-webauthn-authenticator" className={getClassName("kcSelectAuthListItemClass")}>
<div className={getClassName("kcSelectAuthListItemIconClass")}>
<i
className={clsx(
(() => {
const className = getClassName(authenticator.transports.iconClass as any);
if (className === authenticator.transports.iconClass) {
return getClassName("kcWebAuthnDefaultIcon");
}
return className;
})(),
getClassName("kcSelectAuthListItemIconPropertyClass")
)}
/>
</div>
<div className={getClassName("kcSelectAuthListItemArrowIconClass")}>
<div
id="kc-webauthn-authenticator-label"
className={getClassName("kcSelectAuthListItemHeadingClass")}
>
{msg(authenticator.label as MessageKey)}
</div>
{authenticator.transports.displayNameProperties?.length && (
<div
id="kc-webauthn-authenticator-transport"
className={getClassName("kcSelectAuthListItemDescriptionClass")}
>
{authenticator.transports.displayNameProperties
.map((nameProperty, i, arr) => ({ nameProperty, "hasNext": i !== arr.length - 1 }))
.map(({ nameProperty, hasNext }) => (
<Fragment key={nameProperty}>
<span>{msg(nameProperty)}</span>
{hasNext && <span>, </span>}
</Fragment>
))}
</div>
)}
<div className={getClassName("kcSelectAuthListItemDescriptionClass")}>
<span id="kc-webauthn-authenticator-created-label">{msg("webauthn-createdAt-label")}</span>
<span id="kc-webauthn-authenticator-created">{authenticator.createdAt}</span>
</div>
<div className={getClassName("kcSelectAuthListItemFillClass")} />
</div>
</div>
))}
</div>
</>
)}
</>
)}
<div id="kc-form-buttons" className={getClassName("kcFormButtonsClass")}>
<input
id="authenticateWebAuthnButton"
type="button"
onClick={() => {
assert("webAuthnAuthenticate" in window);
assert(typeof window.webAuthnAuthenticate === "function");
window.webAuthnAuthenticate();
}}
autoFocus
value={msgStr("webauthn-doAuthenticate")}
className={clsx(
getClassName("kcButtonClass"),
getClassName("kcButtonPrimaryClass"),
getClassName("kcButtonBlockClass"),
getClassName("kcButtonLargeClass")
)}
/>
</div>
</div>
</div>
</Template>
);
}