fix(auth): close the two open CodeQL alerts in the Vue app - #312
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fix(auth): close the two open CodeQL alerts in the Vue app#312rlorenzo wants to merge 3 commits into
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Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #312 +/- ##
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+ Coverage 41.74% 41.79% +0.04%
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Files 992 992
Lines 49697 49684 -13
Branches 5854 5851 -3
==========================================
+ Hits 20748 20763 +15
+ Misses 28038 28007 -31
- Partials 911 914 +3
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Bundle ReportChanges will increase total bundle size by 3.18kB (0.14%) ⬆️. This is within the configured threshold ✅ Detailed changes
Affected Assets, Files, and Routes:view changes for bundle: viper-frontend-esmAssets Changed:
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📝 WalkthroughWalkthroughCTS login handling now preserves the current application route and query parameters. Shared helpers build base-aware login URLs. ChangesCTS login flow
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: 🟡 Moderate · up to Deep links containing repeated query parameters can lose earlier values during the sign-in redirect, which may change the resulting page state. Merge should wait for this parsing issue to be corrected and tested. Sequence Diagram(s)sequenceDiagram
participant CtsHome
participant RequireLogin
participant Router
CtsHome->>RequireLogin: handleSendBackToRedirect(route, router)
RequireLogin->>RequireLogin: validate sendBackTo and parse query
RequireLogin->>Router: push validated internal path
RequireLogin-->>CtsHome: return navigation status
CtsHome->>CtsHome: load home when no redirect starts
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✨ Finishing Touches 💡 1🛠️ Fix failing CI checks 💡
📝 Generate docstrings
🧪 Generate unit tests (beta)
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- replace the always-true fullPath length guard in getLoginUrl, which existed only to register a reactive dependency, with a computed that reads the route it depends on (CodeQL js/user-controlled-bypass) - fold requireLogin's duplicate base-prefixing into withApplicationBase
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Pull request overview
This PR addresses two open CodeQL alerts in the Vue SPA authentication/redirect flow by centralizing login URL generation and hardening the sendBackTo deep-link redirect handling.
Changes:
- Refactors login
ReturnUrlcreation to derive fromroute.fullPathand apply a shared application-base prefix (withApplicationBase). - Moves CTS post-login
sendBackToredirect logic to the sharedhandleSendBackToRedirecthelper and switches query parsing toObject.fromEntriesfor prototype-safety. - Adds focused unit tests covering rejected redirect targets, query parsing,
__proto__handling, and base-prefix behavior.
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
| VueApp/src/CTS/pages/CtsHome.vue | Uses shared RequireLogin helpers for login redirect and sendBackTo handling. |
| VueApp/src/composables/RequireLogin.ts | Simplifies reactive login URL computation, exports shared helpers, and hardens sendBackTo query parsing. |
| VueApp/src/composables/tests/require-login.test.ts | Adds unit tests validating redirect safety and base-prefixing behavior. |
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CtsHome carried its own copy of the post-login redirect and login-URL build, and the copy skipped the isValidInternalPath guard that the shared helper applies. - route CtsHome through handleSendBackToRedirect and buildLoginUrl - build the redirect query with Object.fromEntries so a "__proto__" key stays own data instead of reaching the prototype chain (CodeQL js/remote-property-injection) - keep the current path as the login ReturnUrl so a sendBackTo deep link survives the CAS round trip
The guard read useRoute(), the route being navigated away from, so a pending sendBackTo navigation still saw the query that triggered it and pushed the same target again, cancelling its own navigation in a loop (measured 248 cancelled navigations before the URL settled back). - drop the guard call site so the landing page owns the redirect, which CtsHome already does through the shared helper - document that the helper belongs on the landing page, not in a guard
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Inline comments:
In `@VueApp/src/composables/RequireLogin.ts`:
- Around line 154-158: Update the query construction in RequireLogin to preserve
repeated deep-link keys by mapping single values to strings and repeated values
to string arrays, while retaining safe own-property handling and router
compatibility. Adjust the test helper type accordingly and add a regression test
covering repeated query keys.
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📒 Files selected for processing (3)
VueApp/src/CTS/pages/CtsHome.vueVueApp/src/composables/RequireLogin.tsVueApp/src/composables/__tests__/require-login.test.ts
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Closes CodeQL alerts 765 and 768. Alerts 766/767 were dismissed as false positives: only the filter values come from
route.query, the keys are always caller-supplied literals.Changes
765
js/user-controlled-bypass—getLoginUrlwrapped an always-trueroute.fullPath.length >= 0check around two identical branches. It guarded nothing; it existed only to fake a reactive dependency, sincegetCurrentPath()read the non-reactiveglobalThis.location. Now derives the return path fromroute.fullPath, with base prefixing shared viawithApplicationBase().768
js/remote-property-injection—CtsHomecarried its own copy of the post-login redirect, and the copy skipped theisValidInternalPathguard. Now calls the shared helper, which builds the query withObject.fromEntriesso a__proto__key stays own data.Redirect loop (found while testing) — the guard called the redirect helper with
useRoute(), the route being navigated away from, so a pendingsendBackTonavigation re-fired and cancelled itself. Measured onmain: 248 cancelled navigations in ~1.5s. Fixed by dropping the guard call site, since the landing page already owns the redirect.Verified in browser
Emulated user holding
SVMSecure.CTS.Students, loading/CTS/Home?sendBackTo=<target>against each file set in turn:main/CTS/MyAssessments…?tab=epa&view=listhttps://evil.example/steal/CTS/https://evil.example/steal, 404//evil.example/steal//evil.example/steal, 404Not an open redirect on
main:location.hoststayed local in both hostile cases, because vue-router resolves the value as an in-app path, not a URL.For reviewers
useRequireLoginlose the guard-levelsendBackToredirect. It looped for them too, and nothing in VIPER 1 or VIPER 2 generates those links.CtsHome's loginReturnUrlis now the current path, not a hardcoded/CTS/, so a deep link survives the sign-in round trip./CTS/serves the legacy Razor page (CTSController.Indexclaims/[area]), so the SPA deep link only works from/CTS/Home.main, so 765/768 stay open through theDevelopment/TEST leg.Testing
1134 frontend tests pass, 13 new in
require-login.test.ts(rejected targets, query parsing,__proto__, base handling).verify:buildandvue-tscgreen. Also drove the live Vite-served module in the browser: all 8 redirect cases matched the unit tests.