[Payment due @huult] [Internal QA] Trigger SAML sign-in when trying to re-auth a SAML required account by s77rt · Pull Request #87368 · Expensify/App

s77rt · 2026-04-08T12:09:02Z

Explanation of Change

For SAML required accounts, when a request fails due to auth token being expired, we cannot reauthenticate using the stored login (only SAML login is allowed) thus instead of doing that, we should redirect the user to their IdP. If their IdP is still active they will get redirected back to ND just fine, otherwise they have to login in IdP first.

Fixed Issues

$ https://github.com/Expensify/Expensify/issues/609978
PROPOSAL:

Tests

Have an account that have SAML enabled & required

Login in ND
Wait 2h (for token to expire)
Try navigate to any page
Verify you get redirected to IdP and then signed in back again

Screen.Recording.2026-04-08.at.1.01.50.PM.mov

Verify that no errors appear in the JS console

Offline tests

n/a

QA Steps

Same as Tests

Verify that no errors appear in the JS console

PR Author Checklist

Screenshots/Videos

Android: Native

Android: mWeb Chrome

iOS: Native

iOS: mWeb Safari

MacOS: Chrome / Safari

codecov · 2026-04-08T12:18:46Z

Codecov Report

❌ Looks like you've decreased code coverage for some files. Please write tests to increase, or at least maintain, the existing level of code coverage. See our documentation here for how to interpret this table.

Files with missing lines	Coverage Δ
src/libs/Reauthentication.ts	`68.57% <20.00%> (-3.74%)`	⬇️
src/libs/actions/SignInRedirect.ts	`73.07% <55.55%> (-5.19%)`	⬇️
... and 7 files with indirect coverage changes

melvin-bot · 2026-04-14T18:08:41Z

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mountiny · 2026-04-15T05:33:18Z

@ahmedGaber93 Are you able to test it?

@s77rt please check out the bot comments

s77rt · 2026-04-15T16:47:26Z

On it... I'm working on fixing native build locally then I will test on native

s77rt · 2026-04-15T20:49:18Z

Hmm the SAML login appears to be broken on main? or is it just me cc @ahmedGaber93

Screen.Recording.2026-04-15.at.9.43.29.PM.mov

ahmedGaber93 · 2026-04-16T07:27:02Z

@s77rt, sorry for the delay.

I don’t have a domain with SAML enabled. I’ll follow this thread today to set one up and share updates with you.

ahmedGaber93 · 2026-04-16T07:33:29Z

I’m trying to use the email address mentioned in your video about production, but I’m encountering an error.: Unknown error during the SAML authentication • process. SAML login is not available on your domain 'expensifail.com'

@s77rt Does this domain have SAML enabled?

s77rt · 2026-04-16T15:23:41Z

@ahmedGaber93 I think you will need a personal domain

ahmedGaber93 · 2026-04-16T15:47:14Z

I already have a private domain, but not with SAML sign-in enable.

@s77rt, is the credentials with email external-contributor@expensifail.com available for C+? CC @mountiny.

s77rt · 2026-04-16T15:56:25Z

I already have a private domain, but not with SAML sign-in enable.

Can you setup SAML on that and try again? From linked Slack thread Fedy used Auth0 so maybe it's worth trying

is the credentials with email external-contributor@expensifail.com available for C+?

Not totally sure, I think the credentials are not an issue but external-contributor@expensifail.com user must be invited in ND first so I think someone internal must do that

mountiny · 2026-04-17T03:20:19Z

Seems like that is not available to C+

@ahmedGaber93 would be great if you could try to setup a private domain with SAML to test this 🙏 Or ask if any other C+ already has that setup and could take over. Thanks

ahmedGaber93 · 2026-04-17T03:36:21Z

@mountiny Asked on slack for taking over. CC @fedirjh @parasharrajat

huult · 2026-04-17T04:21:25Z

I reviewed this PR and tried to set up SAML using the email contact@huutech.com, but when I log in, it always redirects to production due to backend configuration. So I think we can't test this in local dev unless we hard-code it or update the backend.

s77rt · 2026-04-19T19:12:11Z

Ah riight I forgot about that. Can you confirm that SAML login works for you in production (in native)

huult · 2026-04-23T04:11:02Z

+        if (account?.isSAMLRequired) {
+            Log.info(`[Reauthenticate] Redirecting to Sign In because SAML is required`);
+            setIsAuthenticating(false);
+            redirectToSignIn(undefined, true);


Suggested change

redirectToSignIn(undefined, true);

redirectToSAMLSignIn().then(() => false);

I think we should introduce a dedicated function for redirecting to the SAML Sign-In page. This would prevent the extra redirect from sign-in → SAML indicator and simplify the sign-in page logic.

We likely only need to redirect to SAML Sign-In when re-auth is triggered by user action, rather than coupling it with the general sign-in flow. Example change here: link. What do you think?

Not necessary. I think the central sign in flow makes sense as well so let's not change it unless we have to

huult · 2026-04-24T05:25:13Z

Reviewer Checklist

I have verified the author checklist is complete (all boxes are checked off).
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Screenshots/Videos

Android: HybridApp

Android: mWeb Chrome

iOS: HybridApp

iOS: mWeb Safari

MacOS: Chrome / Safari

huult

LGTM!

melvin-bot · 2026-04-24T05:27:09Z

🎯 @huult, thanks for reviewing and testing this PR! 🎉

A payment issue will be created for your review once this PR is deployed to production.
E/E issue linked to the PR - https://www.github.com/Expensify/Expensify/issues/609978.

If payment is not needed (e.g., regression PR review fix etc), react with 👎 to this comment to prevent the payment issue from being created.

mountiny

@huult @s77rt are you able to do the internalQA in staging?

mountiny · 2026-04-24T15:17:18Z

+ * @param errorMessage Error message to be displayed on the sign in page
+ * @param isSAMLReauthentication Whether the redirection was triggered by reauthentication for SAML required account


NAB: Technically they are optional

Suggested change

* @param errorMessage Error message to be displayed on the sign in page

* @param isSAMLReauthentication Whether the redirection was triggered by reauthentication for SAML required account

* @param [errorMessage] Error message to be displayed on the sign in page

* @param [isSAMLReauthentication] Whether the redirection was triggered by reauthentication for SAML required account

github-actions · 2026-04-24T15:26:29Z

🚧 @mountiny has triggered a test Expensify/App build. You can view the workflow run here.

github-actions · 2026-04-24T15:30:54Z

🧪🧪 Use the links below to test this adhoc build on Android, iOS, and Web. Happy testing! 🧪🧪
Built from App PR #87368.

Android 🤖	iOS 🍎
https://ad-hoc-expensify-cash.s3.us-east-1.amazonaws.com/rock-artifacts/ad-hoc/rock-android-Adhoc-92c9028-4bd953c-f76040d5c17f573289abd0dabf902254cd98cf44/index.html	https://ad-hoc-expensify-cash.s3.us-east-1.amazonaws.com/rock-artifacts/ad-hoc/rock-ios-device-AdHoc-92c9028-4bd953c-de12139f292a8c9baaca7e5ede0b0aca5ff2d39a/index.html

Web 🕸️
https://87368.pr-testing.expensify.com

👀 View the workflow run that generated this build 👀

OSBotify · 2026-04-24T15:34:19Z

✋ This PR was not deployed to staging yet because QA is ongoing. It will be automatically deployed to staging after the next production release.

OSBotify · 2026-04-27T12:46:30Z

🚀 Deployed to staging by https://github.com/mountiny in version: 9.3.62-5 🚀

platform	result
🕸 web 🕸	success ✅
🤖 android 🤖	success ✅
🍎 iOS 🍎	success ✅

Bundle Size Analysis (Sentry):

Android
iOS

MelvinBot · 2026-04-27T12:47:55Z

I reviewed the changes in this PR. The modifications are purely internal to session re-authentication logic (Reauthentication.ts and SignInRedirect.ts). When a SAML-required account's auth token expires, the app now redirects the user to their IdP instead of attempting to re-authenticate with stored credentials.

This doesn't introduce any new user-facing settings, buttons, configuration options, or workflows. The existing help site articles (Set Up SAML SSO and Troubleshoot SAML SSO Login) already document that SAML-required accounts must authenticate via their IdP, which is consistent with this behavior change.

No help site changes are required.

mountiny · 2026-04-27T13:02:12Z

@s77rt @huult Seems like this was actually deployed to staging now, are you able to do QA?

s77rt · 2026-04-27T14:04:43Z

@huult Can you please test this? It will take about 2h

Steps:

Login with SAML on a domain that has SAML enabled and required
Wait at least 2h for the token to expire (I think you may need to put app on background to be sure no API call is made)
Try navigate to a report
Verify you get redirected to SAML and either automatically signed back or be prompted to sign-in in your IdP (not ND)

OSBotify · 2026-04-28T01:36:42Z

🚀 Deployed to staging by https://github.com/mountiny in version: 9.3.64-0 🚀

platform	result
🕸 web 🕸	success ✅
🤖 android 🤖	success ✅
🍎 iOS 🍎	success ✅

Bundle Size Analysis (Sentry):

Android
iOS

arosiclair · 2026-04-29T21:44:12Z

I'm going to check this off in the list since the fixed issue is old, but this still needs QA @s77rt @huult @mountiny

OSBotify · 2026-04-30T22:44:15Z

🚀 Deployed to production by https://github.com/arosiclair in version: 9.3.64-31 🚀

platform	result
🕸 web 🕸	success ✅
🤖 android 🤖	success ✅
🍎 iOS 🍎	success ✅

melvin-bot · 2026-04-30T23:00:31Z

🤖 Payment issue created: #89320

huult · 2026-05-01T13:34:38Z

Yes, I’ll try it and share feedback

huult · 2026-05-01T13:37:13Z

Screen.Recording.2026-05-01.at.20.35.53.mov

I’ll be back at 22:36 (my local time).

s77rt · 2026-05-02T14:38:59Z

@huult How did that go? Also can you please test on native too

huult · 2026-05-02T14:42:47Z

Screen.Recording.2026-05-02.at.21.39.54.mov

@s77rt I opened Expensify using the account I logged into yesterday. I clicked around and sent some messages, and everything worked fine. Are you seeing the same, or am I missing something?

s77rt · 2026-05-02T14:48:14Z

Hmm I'm not sure if that tested anything. You should login and keep the tab open then after 2h or so try to navigate to any page

huult · 2026-05-02T14:49:58Z

Okay, I’ll wait for the next 2 hours and test again.

huult · 2026-05-02T16:50:31Z

Screen.Recording.2026-05-02.at.23.49.02.mov

@s77rt I waited for 2 hours, but I didn’t see the token expire. Do I need to configure anything else?

s77rt · 2026-05-03T00:02:51Z

@huult Ah it looks you didn't configure SAML in ND to be required. Please update it to be required then test again

trigger SAML sign-in when trying to re-auth a SAML required account

2d311bc

melvin-bot Bot assigned s77rt Apr 8, 2026

s77rt changed the title ~~Trigger SAML sign-in when trying to re-auth a SAML required account~~ [Hold Auth#20920] Trigger SAML sign-in when trying to re-auth a SAML required account Apr 8, 2026

Merge branch 'main' into handle-saml-required-reauth

dfd4f8b

s77rt changed the title ~~[Hold Auth#20920] Trigger SAML sign-in when trying to re-auth a SAML required account~~ Trigger SAML sign-in when trying to re-auth a SAML required account Apr 14, 2026

s77rt marked this pull request as ready for review April 14, 2026 18:08

s77rt requested review from a team as code owners April 14, 2026 18:08

melvin-bot Bot requested review from JmillsExpensify and ahmedGaber93 and removed request for a team and JmillsExpensify April 14, 2026 18:08

melvin-bot Bot removed the request for review from a team April 14, 2026 18:08

s77rt changed the title ~~Trigger SAML sign-in when trying to re-auth a SAML required account~~ [Internal QA] Trigger SAML sign-in when trying to re-auth a SAML required account Apr 14, 2026

s77rt added the InternalQA This pull request required internal QA label Apr 14, 2026

chatgpt-codex-connector Bot reviewed Apr 14, 2026

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Comment thread src/libs/actions/SignInRedirect.ts

mountiny self-requested a review April 20, 2026 13:27

Merge branch 'main' into handle-saml-required-reauth

348f22c

huult reviewed Apr 23, 2026

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huult approved these changes Apr 24, 2026

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melvin-bot Bot changed the title ~~[Internal QA] Trigger SAML sign-in when trying to re-auth a SAML required account~~ [Payment due @huult] [Internal QA] Trigger SAML sign-in when trying to re-auth a SAML required account Apr 24, 2026

mountiny approved these changes Apr 24, 2026

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mountiny merged commit 92c9028 into Expensify:main Apr 24, 2026
42 of 51 checks passed

OSBotify mentioned this pull request Apr 27, 2026

Deploy Checklist: New Expensify 2026-04-23 #88633

Closed

melvin-bot Bot mentioned this pull request Apr 30, 2026

[Due for payment 2026-05-07] Payment issue for E/App PR#87368 #89320

Open

	redirectToSignIn(undefined, true);
	redirectToSAMLSignIn().then(() => false);

		* @param errorMessage Error message to be displayed on the sign in page
		* @param isSAMLReauthentication Whether the redirection was triggered by reauthentication for SAML required account

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