feat(credentials): add context.credentials WebAuthn virtual authenticator#40849
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yury-s
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May 14, 2026
| - `id` <[string]> Base64url-encoded credential id. | ||
| - `rpId` <[string]> Relying party id. | ||
| - `userHandle` <[string]> Base64url-encoded user handle. | ||
| - `privateKey` <[string]> PKCS#8 PEM-encoded private key. |
| * since: v1.61 | ||
| - returns: <[Object]> | ||
| * alias: VirtualCredential | ||
| - `id` <[string]> Base64url-encoded credential id. |
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should playwright encode it itself?
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…ator
Adds a flat namespace on BrowserContext that intercepts the page's
navigator.credentials.create() / .get() calls and answers them with an
ES256 keypair Playwright owns. Implemented in userland via an injected
script + a binding, so it works on Chromium, Firefox and WebKit with no
per-browser code.
const context = await browser.newContext({ credentials: true });
await context.credentials.create({ rpId: 'example.com' });
// page's navigator.credentials.get() now succeeds silently.
Verbs mirror navigator.credentials; no authenticator entity. Server-side
registry handles keypair generation, CBOR/COSE encoding of attestation
objects, and ECDSA signing of assertions. Pass id/userHandle/privateKey/
publicKey together to import a pre-registered credential.
Fixes: microsoft#7276
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Contributor
Test results for "MCP"7099 passed, 1104 skipped Merge workflow run. |
Contributor
Test results for "tests 1"4 flaky41952 passed, 850 skipped Merge workflow run. |
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Summary
BrowserContext.credentials— a flat, web-API-shaped namespace for seeding WebAuthn credentials and interceptingnavigator.credentials.create/getceremonies.Fixes #7276