fix(core): configure missing rate limiters for server and endpoints - #271
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📝 WalkthroughWalkthroughThe change adds rate limiting for ChangesRate-limit validation
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: 🟠 High · up to This PR adds rate limiting to provider-connection and sign-out requests, but caller-controlled forwarding headers can allow per-client limits to be bypassed, leaving those operations exposed to abuse. The public isProviderConnected limit settings are also ignored, and rate-limited responses omit connected:false, so the change is high risk until these issues are fixed. Sequence Diagram(s)sequenceDiagram
participant API
participant createValidation
participant rate-limiter
participant Session
API->>createValidation: buildRequest
createValidation->>rate-limiter: verifyRateLimit(operation)
rate-limiter-->>createValidation: rateLimit response or continue
createValidation->>Session: verifySession and execute operation
API->>API: return rateLimit response when present
🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
Full details: Docstring CoverageExplanation No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 15 files. (1 skipped: 1 unsupported.) ✨ Finishing Touches📝 Generate docstrings
🧪 Generate unit tests (beta)
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Actionable comments posted: 3
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Inline comments:
In `@packages/core/src/api/isProviderConnected.ts`:
- Around line 19-23: Sanitize or replace caller-controlled proxy headers with a
trusted client identity before rate limiting in the adapter chains for
isProviderConnected and signOut. Update the flows around
verifyRateLimit("isProviderConnected") and verifyRateLimit("signOut") so both
endpoints reach the limiter only with trusted headers, respecting the
trusted-proxy configuration used by rate-limiter.ts. Affected sites:
packages/core/src/api/isProviderConnected.ts lines 19-23 and
packages/core/src/api/signOut.ts lines 23-26; apply the header-sanitization
change at both sites.
Apply the same fix in `@packages/core/src/router/rate-limiter.ts` around lines 66
- 77.
In `@packages/core/src/router/rate-limiter.ts`:
- Around line 66-71: Update defaultValues() to add an explicit
isProviderConnected case returning the expected rate-limit response shape with
connected set to false, so isProviderConnected() preserves that field when
limited; leave the existing redirect and redirectURL handling unchanged.
Apply the same fix in `@packages/core/src/api/isProviderConnected.ts` around lines
27 - 29.
- Around line 66-71: Update the isProviderConnected rule in the rate limiter
configuration to merge config?.isProviderConnected using the same
configuration-spread pattern as the other rules, while retaining the existing
defaults.
Apply the same fix in `@packages/core/src/api/isProviderConnected.ts` around lines
21 - 23.
🪄 Autofix
Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
ℹ️ Review info
⚙️ Run configuration
Configuration used: defaults
Review profile: CHILL
Plan: Pro Plus
Run ID: 1bf4aac9-4bcd-46ec-8b3d-dc45febef4a5
📒 Files selected for processing (18)
packages/core/CHANGELOG.mdpackages/core/src/@types/config.tspackages/core/src/api/getProviderTokens.tspackages/core/src/api/isProviderConnected.tspackages/core/src/api/refreshUserInfo.tspackages/core/src/api/revokeToken.tspackages/core/src/api/signInCredentials.tspackages/core/src/api/signOut.tspackages/core/src/router/rate-limiter.tspackages/core/src/shared/utils.tspackages/core/test/api/stateful/getAccessToken.test.tspackages/core/test/api/stateful/getProviderTokens.test.tspackages/core/test/api/stateful/getSession.test.tspackages/core/test/api/stateful/signOut.test.tspackages/core/test/api/stateless/getAccessToken.test.tspackages/core/test/api/stateless/getProviderTokens.test.tspackages/core/test/api/stateless/isProviderConnected.test.tspackages/core/test/api/stateless/signOut.test.ts
💤 Files with no reviewable changes (2)
- packages/core/src/shared/utils.ts
- packages/core/test/api/stateful/getSession.test.ts
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Description
This pull request adds the missing rate limiters to server-side APIs and their corresponding endpoints, with a focus on provider connection checks and sign-out operations.
Rate limiting is now applied to the provider connection flow through the
GET /providers/:oauthendpoint andapi.isProviderConnected()API, as well as the sign-out flow through thePOST /signOutendpoint andapi.signOut()API.Additionally, this PR reorganizes the request validation flow to establish a consistent and predictable order across authentication operations. Rate limiting is now performed before session refresh and other authentication checks, ensuring that rejected requests do not trigger unnecessary authentication processing.
Key Changes
GET /providers/:oauth.api.isProviderConnected().POST /signOut.api.signOut().Request Validation Order
The request validation flow now follows this order:
This ordering ensures that inexpensive and security-critical request validation is performed before session-related processing and prevents rejected requests from unnecessarily reaching subsequent authentication logic.
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