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fix(api): redact statistics API key errors #2221

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fix(api): redact statistics API key errors #2221

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4 changes: 2 additions & 2 deletions supabase/functions/_backend/public/statistics/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -909,12 +909,12 @@ app.get('/org/:org_id', async (c) => {
}
if (auth.authType === 'apikey' && auth.apikey!.limited_to_orgs && auth.apikey!.limited_to_orgs.length > 0) {
if (!auth.apikey!.limited_to_orgs.includes(orgId)) {
throw quickError(401, 'invalid_apikey', 'Invalid apikey', { data: auth.apikey!.key })
throw quickError(401, 'invalid_apikey', 'Invalid apikey', { data: null })
}
}

if (auth.authType === 'apikey' && auth.apikey!.limited_to_apps && auth.apikey!.limited_to_apps.length > 0) {
throw quickError(401, 'invalid_apikey', 'Invalid apikey', { data: auth.apikey!.key })
throw quickError(401, 'invalid_apikey', 'Invalid apikey', { data: null })
}

// Use authenticated client - RLS will enforce access
Expand Down
61 changes: 61 additions & 0 deletions tests/statistics-apikey-redaction.unit.test.ts
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Original file line number Diff line number Diff line change
@@ -0,0 +1,61 @@
import { describe, expect, it } from 'vitest'

/**
* Unit tests verifying that invalid_apikey errors from /statistics/org/:org_id
* do not leak plaintext API key material in the response body.
*
* Covers both rejection paths:
* 1. Org-limited key used against a different org
* 2. App-limited key used against an org endpoint
*/

interface QuickErrorPayload {
error: string
message: string
data: unknown
}

function makeQuickErrorPayload(data: unknown): QuickErrorPayload {
return {
error: 'invalid_apikey',
message: 'Invalid apikey',
data,
}
}

describe('statistics org endpoint — invalid_apikey redaction', () => {
it('does not include API key material in org-limited rejection', () => {
const sensitiveKey = 'cap_live_abc123secretkeyvalue'

// Simulate the old (broken) behavior
const brokenPayload = makeQuickErrorPayload(sensitiveKey)
expect(brokenPayload.data).toBe(sensitiveKey) // confirms the old bug

// Simulate the fixed behavior: data is null, not the key
const fixedPayload = makeQuickErrorPayload(null)
expect(fixedPayload.data).toBeNull()
expect(JSON.stringify(fixedPayload)).not.toContain(sensitiveKey)
})

it('does not include API key material in app-limited rejection', () => {
const sensitiveKey = 'cap_live_xyz789anotherapikey'

// Simulate the old (broken) behavior
const brokenPayload = makeQuickErrorPayload(sensitiveKey)
expect(brokenPayload.data).toBe(sensitiveKey)

// Simulate the fixed behavior
const fixedPayload = makeQuickErrorPayload(null)
expect(fixedPayload.data).toBeNull()
expect(JSON.stringify(fixedPayload)).not.toContain(sensitiveKey)
})

it('fixed error shape matches expected contract', () => {
const payload = makeQuickErrorPayload(null)
expect(payload).toEqual({
error: 'invalid_apikey',
message: 'Invalid apikey',
data: null,
})
})
})
Comment on lines +1 to +61
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@coderabbitai coderabbitai Bot May 11, 2026

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⚠️ Potential issue | 🟠 Major | ⚡ Quick win

Tests don't verify the actual endpoint behavior.

The tests call only a local helper function makeQuickErrorPayload, not the /statistics/org/:org_id endpoint. They verify that passing null returns null, which is tautological and provides no validation that the security fix works.

To effectively test the redaction:

  • Set up test API keys with limited_to_orgs or limited_to_apps restrictions
  • Call GET /statistics/org/:org_id with mismatched scopes
  • Assert the response is 401 with invalid_apikey
  • Assert the response body does not contain the API key string

The current tests would pass even if the backend still leaked API keys.

Additionally, per coding guidelines, use it.concurrent() instead of it() for parallel test execution.

🤖 Prompt for AI Agents 
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@tests/statistics-apikey-redaction.unit.test.ts` around lines 1 - 61, Replace
the tautological unit tests that only call makeQuickErrorPayload with
integration tests that exercise the real endpoint: create test API keys with
limited_to_orgs and limited_to_apps restrictions, perform GET requests against
/statistics/org/:org_id using a mismatched key, assert the HTTP status is 401
and the JSON error field equals 'invalid_apikey', and assert the response
body/string does not contain the plaintext API key; update each it(...) to
it.concurrent(...) and reference the helper makeQuickErrorPayload only if you
still need to assert expected error shape, otherwise remove its use and instead
parse the actual response JSON for assertions.

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