Vibe passkey

2026-07-03 14:31:40 -04:00
parent e98e7bf29d
commit 678e20d402
26 changed files with 1006 additions and 15 deletions
@@ -0,0 +1,100 @@
+// WebAuthn helpers — base64url encoding compatible with Fido2NetLib
+
+function base64urlToBuffer(base64url) {
+    const base64 = base64url.replace(/-/g, '+').replace(/_/g, '/');
+    const binary = atob(base64);
+    return Uint8Array.from(binary, c => c.charCodeAt(0)).buffer;
+}
+
+function bufferToBase64url(buffer) {
+    const bytes = new Uint8Array(buffer);
+    let binary = '';
+    for (const b of bytes) binary += String.fromCharCode(b);
+    return btoa(binary).replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '');
+}
+
+function prepareCreationOptions(options) {
+    options.challenge = base64urlToBuffer(options.challenge);
+    options.user.id = base64urlToBuffer(options.user.id);
+    if (options.excludeCredentials) {
+        options.excludeCredentials = options.excludeCredentials.map(c => ({
+            ...c,
+            id: base64urlToBuffer(c.id),
+        }));
+    }
+    return options;
+}
+
+function prepareRequestOptions(options) {
+    options.challenge = base64urlToBuffer(options.challenge);
+    if (options.allowCredentials) {
+        options.allowCredentials = options.allowCredentials.map(c => ({
+            ...c,
+            id: base64urlToBuffer(c.id),
+        }));
+    }
+    return options;
+}
+
+function serializeAttestation(credential) {
+    return {
+        id: credential.id,
+        rawId: bufferToBase64url(credential.rawId),
+        type: credential.type,
+        response: {
+            attestationObject: bufferToBase64url(credential.response.attestationObject),
+            clientDataJSON: bufferToBase64url(credential.response.clientDataJSON),
+            transports: credential.response.getTransports ? credential.response.getTransports() : [],
+        },
+        extensions: credential.getClientExtensionResults(),
+    };
+}
+
+function serializeAssertion(credential) {
+    return {
+        id: credential.id,
+        rawId: bufferToBase64url(credential.rawId),
+        type: credential.type,
+        response: {
+            authenticatorData: bufferToBase64url(credential.response.authenticatorData),
+            clientDataJSON: bufferToBase64url(credential.response.clientDataJSON),
+            signature: bufferToBase64url(credential.response.signature),
+            userHandle: credential.response.userHandle
+                ? bufferToBase64url(credential.response.userHandle)
+                : null,
+        },
+        extensions: credential.getClientExtensionResults(),
+    };
+}
+
+window.passkeyEnroll = async function () {
+    const optRes = await fetch('/api/auth/register/options', { method: 'POST' });
+    if (!optRes.ok) throw new Error(await optRes.text());
+    const options = prepareCreationOptions(await optRes.json());
+
+    const credential = await navigator.credentials.create({ publicKey: options });
+
+    const completeRes = await fetch('/api/auth/register/complete', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify(serializeAttestation(credential)),
+    });
+    if (!completeRes.ok) throw new Error(await completeRes.text());
+    return await completeRes.json();
+};
+
+window.passkeyLogin = async function () {
+    const optRes = await fetch('/api/auth/login/options', { method: 'POST' });
+    if (!optRes.ok) throw new Error(await optRes.text());
+    const options = prepareRequestOptions(await optRes.json());
+
+    const credential = await navigator.credentials.get({ publicKey: options });
+
+    const completeRes = await fetch('/api/auth/login/complete', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify(serializeAssertion(credential)),
+    });
+    if (!completeRes.ok) throw new Error(await completeRes.text());
+    return await completeRes.json();
+};