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Graph/login-submit-wiring-mismatch

AntiPattern

Login Submission Wiring Mismatch

login-submit-wiring-mismatch

Auth flows fail because client-side form submission and UI events are wired incorrectly (e.g., missing POST payloads, mis-scoped tokens, button type quirks), causing validation to trigger at the wrong time and Cognito/redirect behavior to break.

Node Details

Public graph metadata

Updated7/24/2026

Connections

30 linked nodes

MATCHESSolution

The solution I found is to add a new schema for the login. — loginService. Tension: picking only the email and password from FormType in loginService. Outcome: And picking only the email and password from FormType in loginService.

MATCHESSolution

Add the missing FormField(s) that match the schema paths (e.g., dailyOrders.${index}.quantity) and ensure all input names in the UI match the form schema. After aligning rendered fields with the schema, the submit button will correctly trigger onSubmit.

MATCHESSolution

you need to `await` it — const onSubmit = async (data: LoginFormSchemaType) => {. Outcome: await apiLoginMutation(data);.

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This behavior (login → redirect back to login → 401 in console) almost always happens because the admin session cookie is not being saved or sent. — When your admin dashboard (Vercel) and backend (Koyeb) are on different domains. Tension: the browser will block cookies unless Medusa is configured correctly. Outcome: Without `SameSite=None` and `Secure=true`, the browser will block the session cookie → all admin requests return 401.

MATCHESSolution

try separating your sign-in and sign-up pages — In addition to defining the path in env. Tension: This seems to have solved the redirects for me. Outcome: update the sign-in, sign-up paths in the dashboard.

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we need to accept RelayState being sent with Service provider SSO request. — keycloak verifies my saml response and if I have mappers created. Tension: I was ignoring this. Outcome: I needed some extra configuration for attribute mappers and Authentication flow of first broker login.

MATCHESSolution

Use react middleware to check for the cookie and redirect with react router, then call the validation route after the token is found

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Double check the Cognito client's data against the data in AWS

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Please review my Lambda function code and help me identify the issue? — I have verified the environment variables, IAM permissions, and the input event JSON. Outcome: I suspect there might be an issue with my Lambda function.

MATCHESSolution

Just changing the order of the form data in the frontend code worked for me. — uploading the file from Browser. Tension: Aws error message was misleading. Outcome: I just interchanged the position of `x-amz-signature` and `x-amz-security-token`.

MATCHESSolution

I solved it by manually signout — https://next-auth.js.org/getting-started/client#getcsrftoken. Tension: I solved it by manually signout.

MATCHESSolution

after submitting. Tension: This is likely not what you intended. Outcome: startTransition(() => { formAction(newFormData); });.

MATCHESSolution

Wrap the entire app (or at least all components using `signIn`/session) with `SessionProvider` in the top-level layout/component and ensure it wraps `children` correctly. Then retry `signIn('credentials', ...)` so the credential `authorize` logic runs and redirects based on actual auth result.

MATCHESSolution

onSubmitHandler.

MATCHESSolution

Another possible option, if you cannot achieve SSO in a standard way — safe to pass in URLs since they have a very short lifetime and can only be used once. Tension: These are safe to pass in URLs since they have a very short lifetime and can only be used once. Outcome: This type of solution usually requires you to to customize the login flow for Site B.

MATCHESSolution

Implement server-side validation to ensure that the received token is valid and not compromised

MATCHESSolution

To enable SSO, users must login via the same IDP — The general login flow is App to Authorization Server (AS) to Identity Provider (IDP). Tension: users must login via the same IDP, though they can use a different AS. Outcome: An advanced option is for the source mobile application to issue a nonce at the target application's AS, then pass the nonce to the web app.

MATCHESSolution

Use server-side token generation and cryptographically sign the double-submit token to bind it to the session cookie

MATCHESSolution

addressing the issue should be more about cognito configuration than actual programming — This is actually also the reason why Cognito has deployed its advanced security features. Tension: Should I protect the submission in some way (reCAPTCHA, honeypot, etc.)? Outcome: more about cognito configuration than actual programming.

MATCHESSolution

jwtAuthFilter was triggered. — i sent a request by Post man on "localhost:8085/api/auth/login". Outcome: OncePerRequestFilter has shouldNotFilter method to avoid filtering for some requests.

MATCHESSolution

build a simple html `` with hidden inputs for each of the form variables, then have a bit of javascript to repost the form when the page loads — on the `redirect_uri`, when the post is received back from Microsoft. Tension: I did not want to fall back to `query` (or `fragment` in the case of MSAL) as a response mode or change the `SameSite` value of my SessionID cookie. Outcome: the SessionID cookie should be included in the second post, and your session should work.

MATCHESSolution

Rely on react-hook-form’s built-in validation by moving the custom validation into field-level rules or into handleSubmit’s validation flow. Alternatively, use the onError callback of handleSubmit to handle validation failures (e.g., set root errors there) instead of checking formState.errors inside onSave immediately after setError.

MATCHESSolution

Keep using Mantine's `useForm` for validation and submit the form via react-router-dom by using `useFetcher` (or otherwise imperatively calling the action) so Mantine can validate first, then submit a proper `FormData` payload (ensuring inputs include the required `name` fields or manually constructing `FormData`).

MATCHESSolution

Set msalConfig.auth.redirectUri to the exact Reply URL registered in Azure AD/Entra and use the preferred localhost form (e.g., http://127.0.0.1:5173/home instead of http://localhost:5173/home). Re-run the login flow so the redirect callback completes and tokens are generated.

MATCHESSolution

case "CallbackRouteError": return { error: "Invalid credentials!" } — in my `login.ts` server action in the switch case clause. Tension: to return the correct errors. Outcome: bypass this error.

MATCHESSolution

const passwordMatches = await bcrypt.compare( password, user.password ); — Login Action. Tension: if (!existingUser || !existingUser.email) { return { error: "Invalid credentials!" } }. Outcome: if (passwordMatches) return user;.

MATCHESSolution

Replace `formLogin(Customizer.withDefaults())` with `oauth2Login(Customizer.withDefaults())` so Spring Security performs the OAuth2 login flow (e.g., GitHub) for unauthenticated requests.

MATCHESSolution

Solution: — leveraging Spring Security for Authentication. Tension: The process to decrypt the token and add it to the request is pretty nasty. Outcome: I worked around the issue and got it working.

MATCHESSolution

In server-to-server callers of signUpEmail, do an explicit pre-flight email + username uniqueness check against the `user` table before invoking signUpEmail — server-to-server callers of signUpEmail. Tension: Bypassing the enumeration mitigation is correct on internal-secret-gated routes because there is no untrusted caller to defend against. Outcome: return a clean 409 on collision. Add a belt-and-braces post-call check: SELECT user.id WHERE id = result.user.id — if the row doesn't exist, refuse to use the id.

MATCHESSolution

Kept the protocol mismatch as a classified close cause — Added [REDACTED] and scoped device-auth invalidation for auth-state migrations, but did not clear unrelated browser storage. Tension: The real remediation for the observed loop is closing or hard-refreshing the stale tab so it loads the current SPA bundle. Outcome: Browser harness evidence classified the failure as protocol mismatch with high confidence, while fresh navigation connected normally.

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