Mask #[SensitiveParameter] properties in semantic log prop payloads - #80
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ChangesSensitive property redaction
Priority: ➖ Normal Estimated code review effort: 3 (Moderate) | ~20 minutes Change: Bug fix · Severity of issue fixed: Medium 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
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ObjectPropertyExtractor recorded every public property of an Input, Being
or Final verbatim into the becoming_open / being_close / being_final_close
`prop` payload. An application marking a constructor parameter
#[\SensitiveParameter] got stack-trace redaction from PHP and nothing else:
the same password or reset token landed in the semantic log in plaintext,
one level below a resource layer that had already redacted it.
The extractor now resolves the constructor parameters carrying
#[\SensitiveParameter] once per object and records ObjectPropertyExtractor::FILTERED
('[FILTERED]', the literal bear/event-sourcing uses for the same purpose)
in place of any public property with a matching name. Matching by name
rather than by promotion also covers a Final that assigns a marked argument
to a same-named declared property.
Closes #79
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Inline comments:
In `@tests/SemanticLog/LoggerTest.php`:
- Around line 198-234: Add coverage for Logger::close() using sensitive result
objects in both the being_close and being_final_close branches. Assert the
sensitive property equals ObjectPropertyExtractor::FILTERED and verify the
plaintext value is absent from the emitted result data, while preserving the
existing non-sensitive close tests.
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src/SemanticLog/ObjectPropertyExtractor.phptests/SemanticLog/LoggerTest.php
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The extractor is shared with close(), but the sensitive-property tests only exercised openChain(). A Final assigning a marked argument to a declared property is exactly the close-path shape, so the assigned fixture is now a real Final (no #[Be]) and both close branches assert [FILTERED].
1 participant
Closes #79.
ObjectPropertyExtractorrecorded every public property of an Input, Being or Final verbatim into thebecoming_open/being_close/being_final_closeproppayload. An application marking a constructor parameter#[\SensitiveParameter]got stack-trace redaction from PHP and nothing else: the same password or reset token landed in the semantic log in plaintext, one level below a resource layer (bear/event-sourcing) that had already redacted it to[FILTERED].The extractor now resolves the constructor parameters carrying
#[\SensitiveParameter]once per object and recordsObjectPropertyExtractor::FILTEREDin place of any public property with a matching name. Same'[FILTERED]'literal bear/event-sourcing uses, so both layers of one observation tree read alike. Matching by name rather than by promotion also covers a Final that assigns a marked argument to a same-named declared property (BeMart'sTwoFactorAuthConfigured::$authKeyis that shape).Two tests through the real
Logger::openChain()path: a promoted#[SensitiveParameter] public string $password, and a non-promoted marked argument assigned to a declared property. Negative control: with the masking line disabled (constant kept), both fail on the array diff with the plaintext present; enabled, both pass.composer tests(cs + phpstan + psalm + phpmd + phpunit) exit 0; 254 tests with the same notices as baseline.Reuses an attribute applications already apply for stack-trace safety, so a correctly annotated Input is protected in the semantic log with no configuration — the Input is the authoritative declaration of which fields are secrets.
Summary by CodeRabbit
[FILTERED]when their values appear in extracted object properties and logs.