45 lines
1.3 KiB
JavaScript
45 lines
1.3 KiB
JavaScript
const arrayBufferToBase64 = (ab) => btoa(String.fromCharCode(...new Uint8Array(ab)));
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const base64ToArrayBuffer = (str) => Uint8Array.from(atob(str), (c) => c.charCodeAt(0)).buffer;
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(async (e) => {
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const assertionOptions = await fetch("/login").then((e) => e.json());
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assertionOptions.challenge = base64ToArrayBuffer(assertionOptions.challenge);
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try {
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const {
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authenticatorAttachment,
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id,
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rawId,
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response: { authenticatorData, clientDataJSON, signature, userHandle },
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type,
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} = await navigator.credentials.get({
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publicKey: {
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...assertionOptions,
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allowCredentials: assertionOptions.allowCredentials.map(({ type, id }) => ({
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type,
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id: base64ToArrayBuffer(id),
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})),
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},
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});
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const res = await fetch("/login", {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify({
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authenticatorAttachment,
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id,
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rawId: arrayBufferToBase64(rawId),
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response: {
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authenticatorData: arrayBufferToBase64(authenticatorData),
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clientDataJSON: arrayBufferToBase64(clientDataJSON),
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signature: arrayBufferToBase64(signature),
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userHandle,
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},
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type,
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}),
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});
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if (res.status === 204) window.location.reload();
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} catch (e) {
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alert(e);
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}
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})();
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