Skip to content

feat: Framework SDKs support DPoP - #207

Open
mrudatsprint wants to merge 101 commits into
parent/dpop-in-the-javascript-sdkfrom
mike/eng-4787/dpop-sdks
Open

feat: Framework SDKs support DPoP#207
mrudatsprint wants to merge 101 commits into
parent/dpop-in-the-javascript-sdkfrom
mike/eng-4787/dpop-sdks

Conversation

@mrudatsprint

@mrudatsprint mrudatsprint commented Jul 24, 2026

Copy link
Copy Markdown
Collaborator

- Add `dpop` v2.1.1 runtime dependency and `fake-indexeddb` devDependency
  to packages/core/package.json

- SDKConfig: add optional `useDpop` and `dpopTokenStorage` fields

- UrlHelper: add `getAuthorizeUrl(state?, dpopJkt?, codeChallenge?)`
  targeting FusionAuth /oauth2/authorize directly; update UrlHelperTypes
  to include response_type, code_challenge, code_challenge_method, dpop_jkt

- DPoPStorage: IndexedDB abstraction for ES256 CryptoKeyPair persistence
  (db: fusionauth-sdk:dpop, store: keypair, keyed by clientId)

- DPoPTokenStore: localStorage/memory token storage for DPoP-bound tokens
  (key: fusionauth-sdk:tokens:<clientId>); includes getAccessToken() and
  isExpired getter

- packages/core/src/DPoP/index.ts re-exports both classes

- 54 tests passing (21 DPoPTokenStore, 6 DPoPStorage, 16 UrlHelper, 7 SDKCore,
  4 CookieHelpers)
- Remove 'as any' cast in catch block — reject() accepts unknown directly
- Add tests for indexedDB unavailable (SSR/non-browser): all three public
  methods (getKeyPair, setKeyPair, clearKeyPair) reject with a descriptive error
- Add test for indexedDB.open() throwing synchronously (e.g. security policy block)
All three DPoPStorage methods (getKeyPair, setKeyPair, clearKeyPair) now
resolve on tx.oncomplete and reject on tx.onerror / tx.onabort.

Previously, resolving on req.onsuccess meant the caller was told 'success'
before the transaction had fully committed — a transaction abort occurring
after the request succeeded (e.g. quota exceeded) would go undetected.

Applies the same fix consistently to all three methods, including getKeyPair
(readonly, lower risk, but now consistent) and setKeyPair (readwrite, same
durability concern as clearKeyPair).

Adds a test that aborts a clearKeyPair transaction synchronously inside the
request onsuccess handler and verifies the promise rejects and the key pair
is still present in IndexedDB.
…84/central-coordinator' of github.com:FusionAuth/fusionauth-javascript-sdk into miker/eng-4784/central-coordinator
…g object

- Export DEFAULT_DPOP_DB_NAME, DEFAULT_DPOP_DB_VERSION, DEFAULT_DPOP_STORE_NAME
  as named constants (no hardcoded magic strings anywhere in the codebase)

- Add DPoPStorageConfig interface with clientId (required) and optional
  dbName, dbVersion, storeName fields — each defaults to the exported constant

- Refactor DPoPStorage constructor from positional (clientId: string) to
  config object, matching the UrlHelperConfig convention in this monorepo

- openDb() and all three public methods now reference instance fields
  (this.dbName, this.dbVersion, this.storeName) instead of module constants

- Add tests: defaults apply when no config overrides provided; custom dbName
  and storeName land data in the right database; two instances with different
  dbNames but the same clientId do not share keys; dbVersion downgrade
  produces a clean rejection (VersionError)

- Update AGENTS.md: note the config-object constructor convention and the
  IndexedDB dbVersion must-only-increase constraint
…t (ENG-4786)

- Add Pkce module (generateCodeVerifier, generateCodeChallenge) with RFC 7636
  Appendix B test vector coverage; runs under @vitest-environment node
- Extend RedirectHelper to persist code_verifier as a second colon-delimited
  segment alongside state; add public getCodeVerifier() getter; add test file
- SDKCore: construct DPoPManager when config.useDpop is true; startLogin() is
  now async — DPoP branch calls getOrCreateKeyPair()/getThumbprint() and
  generates PKCE params then redirects to /oauth2/authorize directly; isLoggedIn
  delegates to DPoPManager.isLoggedIn in DPoP mode (not app.at_exp cookie)
- SDKCore.test.ts: add DPoP-mode describe block with mocked DPoPManager and Pkce
  (jsdom lacks crypto.subtle); all existing cookie-mode tests unaffected
- e2e/dpop-smoke.test.ts: replace local generatePkce() helper with shared Pkce
  module; add Tier 0 tests exercising SDKCore.startLogin() in DPoP mode
  end-to-end (no live FusionAuth required for Tier 0)
- Export Pkce from packages/core/src/index.ts

Note: yarn test:core cannot run in this sandbox environment due to a missing
@rollup/rollup-linux-arm64-gnu native binary (arch mismatch); TypeScript
compilation (tsc --noEmit) and ESLint/Prettier are clean.
…edirect assertion

Without the explicit jsdom annotation, vitest inherits the 'node' environment
from DPoPManager.test.ts when the full suite runs, causing 'document is not
defined' and 'window is not defined' failures in all SDKCore tests.

Also corrects the handlePreRedirect spy assertion: cookie-mode startLogin()
passes one argument (state), not two — the codeVerifier arg is only added in
DPoP mode.
SDKCore's constructor calls scheduleTokenExpiration() which calls
getAccessTokenExpirationMoment(). In a Node/Playwright process document
doesn't exist, so CookieHelpers catches the ReferenceError and logs
'Error accessing cookies...' to console.error. The tests still pass, but the
stderr noise is confusing.

Fix: extract a shared DPOP_CONFIG constant in the Tier 0 describe block that
includes a no-op cookieAdapter ({ at_exp: () => undefined }). This causes
getAccessTokenExpirationMoment() to take the adapter path and skip
document.cookie entirely, eliminating the noise.

Also fixes T0-1 where the await core.startLogin() call was accidentally
dropped during the previous config refactor.
…ormat

RedirectHelper now stores nonce:codeVerifier:state (three colon-delimited
segments) instead of the previous nonce:state (two segments). The Angular
sdkcore/ directory is generated by 'yarn get-sdk-core' which copies
packages/core/src/ verbatim — so in CI the Angular RedirectHelper picks up
the updated parser automatically.

The test was writing the old two-segment format 'abc123:/welcome-page',
which the new parser splits as [nonce='abc123', codeVerifier='/welcome-page',
state=''] — returning undefined for state instead of '/welcome-page'.

Fix: write 'abc123::/welcome-page' (empty codeVerifier segment, matching
cookie mode where no verifier is stored).
…value format

RedirectHelper now stores nonce:codeVerifier:state (three colon-delimited
segments) instead of nonce:state (two segments). Both sdk-vue and sdk-react
import SDKCore directly from @fusionauth-sdk/core (via the @fusionauth-sdk/*
tsconfig path alias), so their tests exercise the live, current
RedirectHelper — same root cause as the earlier Angular fix.

- packages/sdk-vue/src/createFusionAuth/createFusionAuth.test.ts: was seeding
  the old 2-segment format ('rAnd0mStR1ng:<state>'), causing the new state
  getter to return undefined instead of the expected state value. Fixed to
  'rAnd0mStR1ng::<state>' (empty codeVerifier segment).

- packages/sdk-react/src/components/providers/FusionAuthProvider.test.tsx:
  had the same stale 2-segment seed, but wasn't caught by CI because the
  assertion only checked toHaveBeenCalled() (no argument check). Fixed the
  seed format and strengthened the assertion to toHaveBeenCalledWith(stateValue)
  to restore real coverage of the callback argument.
… dropping one (PR #202 review)

_resolveHeaders() previously returned early with init.headers whenever it
was present, silently discarding any headers already set on a Request
object passed as input. This contradicted the _doFetch documentation's
promise to never drop caller headers.

_resolveHeaders() now returns a merged Headers object: init.headers is
the base, and Request.headers are layered on top, winning on any
conflicting header name.
…mption (PR #202 Copilot review)

fetch() previously passed the same input reference to both the initial
attempt and the nonce-triggered retry. If input was a Request with a
body, the first attempt consumed it, and the retry would throw a
'body already used' error instead of succeeding.

- Clone the Request twice up front (before either is read from) so each
  attempt gets an independent, unconsumed body. Request.clone() safely
  tees any internal streaming body per spec, so this also covers a
  Request built with a ReadableStream body.
- A raw ReadableStream passed via init.body (not wrapped in a Request)
  cannot be cloned this way. On retry, this now throws a clear,
  actionable error instead of letting native fetch throw an opaque one.
…opilot review)

generateProof() documented htu as being 'without query/fragment' but
passed it through unmodified. fetch() supplies Request.url, which can
include a query string, so proofs generated via dpopFetch() could
carry an htu that includes query parameters — a subtle interop bug
with strict DPoP verifiers.

htm was also not normalised to uppercase, which most DPoP verifiers
require.

Both are now normalised inside generateProof() itself, so this is
correct regardless of whether callers go through fetch() or call
generateProof() directly with arbitrary casing/query strings.
…dpop-smoke.test.ts (PR #202 Copilot review)

T2-1 declared capturedAuthHeader/capturedDpopHeader that were never
assigned and only suppressed via void, alongside a comment claiming
Playwright route interception captures DPoPManager.fetch()'s headers
— no such interception exists since fetch() runs in the Node test
process, not the browser page.

Removed the dead variables and replaced the comment with an accurate
explanation of how correctness is actually validated (end-to-end via
FusionAuth's server-side verification, plus T2-2's direct proof
decoding).
The merge of miker/eng-4801/refresh-token into this branch reintroduced the
pre-fix version of refreshDpopToken(), silently dropping the two Copilot
review fixes from PR #206:

- Preserve the existing refresh token when FusionAuth's refresh response
  omits refresh_token (no rotation), instead of clearing it out.
- Read the token response via response.clone().json() so the Response
  returned to callers still has an unconsumed body.

Also updates the unit test's mockTokenResponse() to return a fresh Response
per fetch() call (mockImplementation instead of mockResolvedValue), and
restores the regression test for the no-rotation case.
DPoP mode has no hosted backend to proxy through, so startLogout() should
never target /app/logout/ (a hosted-backend-only path that does not exist
on a raw FusionAuth server). Add UrlHelper.getOAuth2LogoutUrl(), which
builds the direct FusionAuth /oauth2/logout URL (client_id +
post_logout_redirect_uri), and switch SDKCore.startDpopLogout() to use it.
Cookie-mode getLogoutUrl()/startLogout() are unchanged.

Update dpop-smoke.test.ts's logout assertion accordingly, and add unit
coverage in UrlHelper.test.ts and SDKCore.test.ts.
Mirrors endpoints.test.ts for DPoP mode, driving a consuming quickstart
application (useDpop: true) through its UI and validating the direct
FusionAuth calls SDKCore makes instead of the hosted backend API:

- Login: /oauth2/authorize (dpop_jkt, code_challenge/S256) followed by the
  direct /oauth2/token authorization_code exchange (DPoP header, tokens
  landing in localStorage instead of app.* cookies).
- Refresh: waits for the configured auto-refresh window to fire a direct
  /oauth2/token refresh_token grant (DPoP header, new access token).
- Logout: direct /oauth2/logout navigation and local DPoP state cleared.

Register and fetching user info remain known gaps (not yet DPoP-aware in
SDKCore) and are documented as such in the file header.

Also:
- Add playwright.dpop-endpoints.config.ts (mirrors the main config, scoped
  to this file via testMatch, keeps webServer/SERVER_COMMAND/PORT support).
- Exclude both DPoP e2e files (dpop-smoke.test.ts, dpop-endpoints.test.ts)
  from the main playwright.config.ts via testIgnore, since they require
  different FusionAuth Application configs than the hosted-backend-mode
  quickstart used by endpoints.test.ts/cookies.test.ts.
- Add a test:e2e:dpop-endpoints root script.
- Update README's DPoP E2E tests section accordingly.
- Add UrlHelper.getUserInfoUrl(), building the direct FusionAuth
  /oauth2/userinfo URL, matching the getTokenUrl()/getOAuth2LogoutUrl()
  pattern.
- fetchUserInfo() now branches to a new fetchDpopUserInfo() in DPoP mode:
  reads the stored access token from DPoPManager, throws a descriptive
  error if not logged in, and calls DPoPManager.fetch() against
  /oauth2/userinfo directly instead of the hosted backend's /app/me.
  DPoPManager.fetch() already handles the DPoP proof (with ath),
  Authorization/DPoP headers, and nonce-retry dance.
- Cookie-mode fetchUserInfo()/getMeUrl() behavior is unchanged.
- No changes needed to React/Vue/Angular SDKs -- all three call
  core.fetchUserInfo() generically and get this transparently.
- Add unit tests for UrlHelper.getUserInfoUrl() and
  SDKCore.fetchUserInfo() DPoP mode (success, no-access-token error,
  non-OK error, cookie-mode unaffected).
- dpop-endpoints.test.ts: add an e2e test asserting fetchUserInfo() hits
  /oauth2/userinfo directly (with a DPoP header) and that the fetched
  claims surface correctly in the app's UI. Update the file's "known
  gaps" header comment -- only Register remains.
- README: update the DPoP E2E tests section accordingly.
… at mount

useUserInfo()'s auto-fetch previously checked core.isLoggedIn synchronously,
exactly once, inside a ref-guarded effect. This works in cookie mode (the
post-redirect callback does a full page reload, so isLoggedIn is already
true by the time the app re-mounts), but breaks DPoP mode: the code
exchange happens asynchronously within the same already-mounted app, so
isLoggedIn is still false the one time the guard checks it, and
fetchUserInfo() is never called -- shouldAutoFetchUserInfo silently does
nothing for the rest of the session.

- useUserInfo() now accepts isLoggedIn as an explicit reactive parameter
  instead of reading core.isLoggedIn directly, so the auto-fetch effect
  re-evaluates when isLoggedIn transitions to true (still only fetching
  once, via the existing ref guard).
- FusionAuthProvider passes its own isLoggedIn state through.
- Add a regression test simulating the DPoP flow (isLoggedIn starts
  false, flips true once the post-redirect token exchange settles) and
  asserting userInfo is fetched once that happens.

Vue's createFusionAuth() has the same synchronous-check pattern (and
Angular's auto-refresh check does too), but neither exposes useDpop yet
(ENG-4788/ENG-4789), so it's currently dormant there -- worth revisiting
once DPoP wiring lands for those SDKs.
Moves the standalone 'User info is fetched directly from /oauth2/userinfo'
test's assertions into 'Access token auto-refreshes...' (renamed to 'User
info is fetched after login, and the access token auto-refreshes via a
direct /oauth2/token refresh_token grant'), right after authenticate()
and before the refresh-window wait.

Both are automatic, no-user-interaction behaviors that fire post-login
(shouldAutoFetchUserInfo and shouldAutoRefresh), so combining them saves
one login/authenticate cycle. File now has 3 tests: Login, this merged
one, and Logout.
Logs every request/response/requestfailed to/from FusionAuth (localhost:9011),
plus browser console messages and page errors, to the Playwright terminal
output. Should be reverted once the root cause of the userinfo test
timeout is found.
Root-caused the userinfo test timeout: the browser's CORS preflight for
/oauth2/userinfo fails with 'No Access-Control-Allow-Origin header is
present', so the request never reaches FusionAuth at all. Confirmed via
live diagnostics that /oauth2/authorize and /oauth2/token succeed
cross-origin (handled independently of the System CORS filter), but
/oauth2/userinfo does not -- this is a FusionAuth Application/System CORS
configuration gap, not a bug in SDKCore/DPoPManager.

Document the required CORS configuration (Settings -> System -> CORS:
enable the filter, add the quickstart's origin, add DPoP and Authorization
to Allowed headers) in the file's Prerequisites section.
… handlePostRedirect() calls

SDKCore.handlePostRedirect() only cleared the pending `code` query
param and persisted `code_verifier` *after* a successful /oauth2/token
exchange. A second call arriving while the first was still in flight
(e.g. React StrictMode's mount -> cleanup -> mount double-invoke of
effects, or an un-memoized onRedirect prop retriggering the effect)
would read the same still-pending code/verifier and re-POST to
/oauth2/token, exchanging the same authorization code twice — visible
as two 'exchange authorization code' debug entries in the FusionAuth
event log.

Fix: memoize handlePostRedirect()'s promise (single-flight, mirroring
DPoPManager.getOrCreateKeyPair()'s keyPairPromise pattern) so repeated
or concurrent calls on the same SDKCore instance always return the
same in-flight/settled promise instead of re-entering
handleDpopPostRedirect().

- packages/core/src/SDKCore/SDKCore.ts: add postRedirectPromise guard.
- packages/core/src/SDKCore/SDKCore.test.ts: add regression tests
  (verified both fail without the fix).
- e2e/tests/dpop-endpoints.test.ts: track every authorization_code
  exchange request during login and assert exactly one occurs.

sdk-angular's vendored SDKCore.ts copy is gitignored and generated via
`yarn get-sdk-core` (packages/sdk-angular/getSDKCore.js), so it picks
up this fix automatically — verified locally, nothing to commit there.
sdk-vue consumes @fusionauth-sdk/core directly and gets the fix for
free too.
'refresh token grant — issues new DPoP-bound tokens' had two compounding
bugs after being resurrected via a merge:

1. test.skip(!refreshToken, ...) referenced a variable that was never
   declared in this file (ReferenceError). Every other test in the file
   uses the !accessToken skip-guard convention -- switch to that.

2. The test requires core to still be logged in (asserts core.isLoggedIn
   and calls core.refreshToken()), but it ran *after*
   'startLogout() clears DPoP state...', which already logs core out.
   Move it back to run right after the authorization code grant test and
   before startLogout(), matching its actual dependency.
@mrudatsprint mrudatsprint changed the title feat: Exposed dpopFetch and generateProof in React, Angular and Vue SDKs feat: Framework SDKs support DPoP Jul 29, 2026
Base automatically changed from miker/eng-4801/refresh-token to parent/dpop-in-the-javascript-sdk July 30, 2026 18:28

Copilot AI left a comment

Copy link
Copy Markdown
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Pull request overview

This PR adds DPoP (RFC 9449) support across the framework SDKs (React, Angular, Vue) by surfacing DPoP helpers from @fusionauth-sdk/core, extending configuration to enable DPoP mode, and updating E2E coverage to validate direct FusionAuth /oauth2/* calls from a DPoP-enabled quickstart.

Changes:

  • Expose DPoP APIs (dpopFetch, generateProof, getAccessToken) in React/Vue contexts and Angular service, gated by useDpop.
  • Extend SDKCore/UrlHelper with DPoP-mode endpoint helpers and DPoP-aware fetchUserInfo() / logout behavior.
  • Replace the prior DPoP smoke test setup with a dedicated “DPoP endpoints” Playwright config + test suite and update docs/scripts accordingly.

Reviewed changes

Copilot reviewed 41 out of 42 changed files in this pull request and generated 2 comments.

Show a summary per file
File Description
yarn.lock Updates lockfile to reflect dependency/version changes (incl. Vitest upgrades).
README.md Updates DPoP E2E test documentation to focus on endpoint tests + new config.
playwright.dpop.config.ts Removes obsolete DPoP smoke-test Playwright config.
playwright.dpop-endpoints.config.ts Adds dedicated Playwright config for DPoP endpoint test suite.
playwright.config.ts Ignores the DPoP endpoint test in the default E2E run.
packages/sdk-vue/web-types.json Bumps Vue SDK version metadata to 1.4.0.
packages/sdk-vue/src/types.ts Adds useDpop/dpopTokenStorage config and optional DPoP helpers to the Vue types.
packages/sdk-vue/src/createFusionAuth/createFusionAuth.ts Exposes DPoP helpers and makes post-redirect/login state updates reactive in DPoP mode.
packages/sdk-vue/src/createFusionAuth/createFusionAuth.test.ts Adds Vue tests covering DPoP helper exposure and post-redirect DPoP login settling.
packages/sdk-vue/README.md Documents Vue DPoP mode config and the additional returned helpers.
packages/sdk-vue/package.json Bumps Vue SDK version to 1.4.0.
packages/sdk-vue/CHANGES.md Adds Vue 1.4.0 changelog entry for DPoP support.
packages/sdk-react/src/testing-tools/mocks/createContextMock.ts Extends React context mock to include DPoP helpers.
packages/sdk-react/src/components/providers/hooks/useUserInfo.ts Makes auto-fetch depend on reactive isLoggedIn state (for DPoP post-redirect settling).
packages/sdk-react/src/components/providers/hooks/useRedirecting.ts Awaits core.handlePostRedirect() and provides a post-settlement hook.
packages/sdk-react/src/components/providers/hooks/useDpop.ts Adds a hook to expose DPoP helpers only when DPoP mode is enabled.
packages/sdk-react/src/components/providers/hooks/index.ts Re-exports the new useDpop hook.
packages/sdk-react/src/components/providers/FusionAuthProviderContext.ts Adds optional DPoP helper fields to provider context.
packages/sdk-react/src/components/providers/FusionAuthProviderConfig.ts Adds useDpop/dpopTokenStorage to React provider config.
packages/sdk-react/src/components/providers/FusionAuthProvider.tsx Wires DPoP config into SDKCore and exposes DPoP helpers via context.
packages/sdk-react/src/components/providers/FusionAuthProvider.test.tsx Adds React tests for DPoP helper exposure and post-redirect DPoP login settling.
packages/sdk-react/README.md Documents React DPoP mode config and the additional returned helpers.
packages/sdk-react/package.json Bumps React SDK version to 2.7.0 and updates Vitest to ^3.2.6.
packages/sdk-react/CHANGES.md Adds React 2.7.0 changelog entry for DPoP support.
packages/sdk-angular/README.md Documents Angular DPoP mode config and new FusionAuthService helpers.
packages/sdk-angular/projects/fusionauth-angular-sdk/src/lib/types.ts Adds useDpop/dpopTokenStorage to Angular config type.
packages/sdk-angular/projects/fusionauth-angular-sdk/src/lib/fusion-auth.service.ts Adds DPoP helper methods and improves reactivity around post-redirect/login settling.
packages/sdk-angular/projects/fusionauth-angular-sdk/src/lib/fusion-auth.service.spec.ts Adds Angular tests for DPoP helper behavior and reactive login settling.
packages/sdk-angular/projects/fusionauth-angular-sdk/package.json Bumps Angular SDK version to 2.1.0 and adds dpop dependency.
packages/sdk-angular/projects/fusionauth-angular-sdk/ng-package.json Allows dpop as a non-peer dependency for packaging.
packages/sdk-angular/CHANGES.md Adds Angular 2.1.0 changelog entry for DPoP support.
packages/lexicon/package.json Updates Vitest dev dependency to ^3.2.6.
packages/core/src/UrlHelper/UrlHelper.ts Adds DPoP-mode /oauth2/logout and /oauth2/userinfo URL helpers.
packages/core/src/UrlHelper/UrlHelper.test.ts Adds unit tests for new DPoP-mode URL helpers.
packages/core/src/SDKCore/SDKCore.ts Adds DPoP fetch/proof APIs, DPoP-aware userinfo fetch, and direct /oauth2/logout wiring.
packages/core/src/SDKCore/SDKCore.test.ts Adds/extends tests for DPoP logout, dpopFetch/generateProof, and DPoP-mode userinfo.
packages/core/src/SDKContext/SDKContext.ts Adds optional DPoP helpers to the core SDK context interface.
packages/core/package.json Updates Vitest dev dependency to ^3.2.6.
package.json Adds a dedicated test:e2e:dpop-endpoints script for the new Playwright config.
e2e/tests/dpop-smoke.test.ts Removes obsolete DPoP smoke test suite.
e2e/tests/dpop-endpoints.test.ts Adds new DPoP endpoint-focused E2E suite against a DPoP-enabled quickstart.
e2e/pages/common.page.ts Updates quickstart page-object navigation waits to better handle redirects/load completion.

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.

Comment thread packages/core/src/SDKCore/SDKCore.test.ts
Comment thread packages/core/src/SDKCore/SDKCore.ts
@mrudatsprint
mrudatsprint marked this pull request as ready for review August 1, 2026 17:15
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

None yet

Projects

None yet

Development

Successfully merging this pull request may close these issues.

2 participants