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Harden sensitive log handling and release 0.3.0 - #48
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Bound input traversal and key output, fail closed when filter context is incomplete, protect error reporting, and pseudonymize CarrierWave identifiers. Update vulnerable dependencies and gate CI on Ruby and docs advisory audits.
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WalkthroughThe change adds bounded input processing and dependency audits. It also updates field normalization, filtered-value summaries, serialization errors, and CarrierWave logs to limit exposed data. Documentation and tests are updated for these behaviors. ChangesLogging behavior
Dependency security checks
Priority: ⚪ Pending latest changes Estimated code review effort: 4 (Complex) | ~45 minutes Change: Bug fix Merge Risk: 🔵 Low · up to
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| Check name | Status | Explanation | Resolution |
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| Docstring Coverage |  |
Docstring coverage is 2.17% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 46 functions across 25 files. (4 skipped: … | Write docstrings for the functions missing them to satisfy the coverage threshold. |
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Check name Status Explanation Description Check Check skipped - CodeRabbit’s high-level summary is enabled. Linked Issues check Check skipped because no linked issues were found for this pull request. Out of Scope Changes check Check skipped because no linked issues were found for this pull request. Title check The title clearly identifies the main change: hardening sensitive log handling. The release reference is not implemented in this changeset, but the title remains substantially related to the pull requ… Full details: Title check
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Explanation
The title clearly identifies the main change: hardening sensitive log handling. The release reference is not implemented in this changeset, but the title remains substantially related to the pull request.
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Full details: Docstring Coverage
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Explanation
Docstring coverage is 2.17% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 46 functions across 25 files. (4 skipped: 4 unsupported.)
Resolution
Write docstrings for the functions missing them to satisfy the coverage threshold.
✨ Finishing Touches
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🧪 Generate unit tests (beta)
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I’m a rabbit with logs to review,
I nibble each key down to size.
File names turn to hashes,
And secret keys leave no traces.
Audits hop into the CI queue,
Then I bound home beneath the moon.
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Actionable comments posted: 1
- 🪄 Fix comments: Fix CodeRabbit comments on this PR
🤖 Prompt to fix review comments
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only still-valid issues, skip the rest with a brief reason, keep changes
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Inline comments:
Review comments at @docs/app/docs/log-fields/page.tsx:
- Around line 199-200: Add explicit JSX spaces at the line ends in the built-in
field names paragraph and the omitted-key description so the rendered text
separates “msg” from “and” and “omitted;” from “_oversized_keys.” Update only
these two text boundaries.
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⛔ Files ignored due to path filters: 5
Gemfile.lockis excluded by!**/*.lockdocs/pnpm-lock.yamlis excluded by!**/pnpm-lock.yamlsorbet/rbi/gems/bundler-audit@0.9.3.rbiis excluded by!sorbet/**sorbet/rbi/gems/dalli@3.2.13.rbiis excluded by!sorbet/**sorbet/rbi/shims/bundler_audit.rbiis excluded by!sorbet/**
📒 Files selected for processing: 33
GemfileTaskfile.ymldocs/app/docs/filtering-sensitive-data/page.tsxdocs/app/docs/log-fields/example-lines.jsondocs/app/docs/log-fields/page.tsxdocs/app/docs/soc2-compliance/page.tsxdocs/app/docs/sorbet-types/page.tsxdocs/package.jsonlib/log_struct/bounded_input.rblib/log_struct/config_struct/filters.rblib/log_struct/config_struct/limits.rblib/log_struct/formatter.rblib/log_struct/hash_utils.rblib/log_struct/integrations/ahoy.rblib/log_struct/integrations/carrierwave.rblib/log_struct/integrations/lograge.rblib/log_struct/log/carrierwave.rblib/log_struct/log/carrierwave/delete.rblib/log_struct/log/carrierwave/download.rblib/log_struct/log/carrierwave/upload.rblib/log_struct/param_filters.rblib/log_struct/shared/merge_additional_data_fields.rbschemas/log_sources/carrierwave.ymltest/code_examples/filtering_test.rbtest/code_examples/guides_test.rbtest/code_examples/log_fields_test.rbtest/log_struct/concerns/logging_test.rbtest/log_struct/formatter_test.rbtest/log_struct/hash_utils_test.rbtest/log_struct/integrations/ahoy_test.rbtest/log_struct/integrations/carrierwave_test.rbtest/log_struct/integrations/lograge_formatter_test.rbtest/log_struct/param_filters_test.rb
💤 Files with no reviewable changes: 4
- lib/log_struct/log/carrierwave/delete.rb
- lib/log_struct/log/carrierwave/upload.rb
- lib/log_struct/log/carrierwave/download.rb
- schemas/log_sources/carrierwave.yml
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A Rails filter block with three arguments gets every parameter again. Its copy applied the line's output limits, and any cut made the block's keys fail closed, so a request with an 11-item array or an error line with a normal backtrace was written with src, evt and msg filtered. The copy now only stops at 10,000 values, 20 levels of nesting or a value that contains itself. Ahoy's properties and Lograge's params count the keys they leave out in a slot the formatter keeps, and the formatter writes those Integer counts as it writes its own: it used to recount the added key as 1, and Rails' default :_key filter hid it. ActionController::Parameters get exact counts instead of true. Errors raised while formatting, serializing or filtering a value go through LogStruct.handle_value_error, which keeps the error's class and backtrace but not its message. This also covers Rails filter blocks, which still reported the key and the raw error, GlobalID formatting, and SystemStackErrors, which were reported as RuntimeErrors without a backtrace. Remove LogField::Filename, StorePath and Extension, which no log type writes since CarrierWave stopped logging them.
Reserving every built-in field name made common keys like name, url, status, data and action raise in development and test, and disappear in production, on every log type. additional_data was meant to be kept from replacing a line's typed fields, or standing in for one its type didn't write. Each generated log type lists its fields in FIELD_KEYS, and MergeAdditionalDataFields reserves them, set or not, along with src, evt, lvl, ts and req_id. A custom type's serialize writes its own fields after merging additional_data, so its field_keys default to none.
ndbroadbent
changed the title
Ruby 3.3 quotes a method in a backtrace with a backtick (`as_json'), and Ruby 3.4 with a single quote.
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Summary
Fixes the findings of a security audit of LogStruct, and prepares the 0.3.0 release.
additional_datacan't set any field of its line's own type, set or not, orreq_id.filter_parametersblocks and GlobalID formatting.task ci.Review fixes (second commit onwards)
Reviewing the first two commits found these, each with a regression test:
max_array_items10,max_hash_keys100), and any truncation made every key fail closed. A request with an 11-item array, or any error line with a normal backtrace, was written withsrc,evtandmsgfiltered. The copy now keeps everything Rails would give the block and only stops at the resource limits above._more_keysfrom Ahoy and Lograge was wrong. The integrations' truncated copy added its count as one more key, which the formatter then cut and recounted as1. Rails' defaultfilter_parameters(:_key) also filtered the count. The sharedBoundedInput.symbolize_keysleaves the count a slot, and the formatter writes Integer counts as it writes its own. Parameters get exact counts (keys.size) instead oftrue.additional_datarejected 110 common names. Reserving every built-in field name madename,url,status,data,actionand others raise in dev/test and get dropped in production, on every log type. Each generated type now lists its own fields (field_keys), which are reserved whether or not the line has them.RuntimeErrorwithout a backtrace. Rails filter blocks still reported the key and raw error. OneLogStruct.handle_value_errornow handles all of these paths.LogField::Filename,StorePathandExtension.Behavior changes
_oversized_keys._keys.additional_datacan't set its line type's fields orreq_id.file_idis a keyed hash; its filename, storage path and extension fields were removed from the schema.Verification
task ci(Node 22.19.0): passed