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πŸ›‘οΈ Sentinel: [security improvement] - #242

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sentinel-robots-meta-5380871589287868541
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πŸ›‘οΈ Sentinel: [security improvement]#242
seonghobae wants to merge 1 commit into
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sentinel-robots-meta-5380871589287868541

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🚨 Severity: MEDIUM

πŸ’‘ Vulnerability:
μƒμ„±λœ 정적 HTML 파일이 곡개 μ›Ή μ„œλ²„μ— ν˜ΈμŠ€νŒ…λ  경우, 검색 μ—”μ§„ ν¬λ‘€λŸ¬κ°€ 이λ₯Ό μƒ‰μΈν™”ν•˜κ³  링크λ₯Ό 따라가 디렉토리 ꡬ쑰 전체λ₯Ό νŒŒμ•…ν•  수 있음. 이둜 인해 정보 λ…ΈμΆœ(Information Exposure)이 λ°œμƒν•  수 있음.

🎯 Impact:
곡개 ν™˜κ²½μ—μ„œ μ˜λ„μΉ˜ μ•Šκ²Œ λ‚΄λΆ€ 디렉토리 κ΅¬μ‘°λ‚˜ 파일 λ¦¬μŠ€νŠΈκ°€ 검색 μ—”μ§„ 결과에 λ…ΈμΆœλ˜μ–΄ μ•…μ˜μ  μ‚¬μš©μžμ˜ μ •μ°° λŒ€μƒμ΄ 될 수 있음.

πŸ”§ Fix:
μƒμ„±λ˜λŠ” HTML index.html 의 <head> μ„Ήμ…˜μ— <meta name="robots" content="noindex, nofollow"> 메타 νƒœκ·Έλ₯Ό μΆ”κ°€ν•˜μ—¬, 검색 μ—”μ§„ ν¬λ‘€λŸ¬μ—κ²Œ 인덱싱 및 링크 탐색을 ν•˜μ§€ 말 것을 μ§€μ‹œν•¨. (Defense in Depth)

βœ… Verification:

  • MainTest.kt의 testGoEmptyDir에 ν•΄λ‹Ή 메타 νƒœκ·Έκ°€ μ •μƒμ μœΌλ‘œ 좜λ ₯λ˜λŠ”μ§€ ν™•μΈν•˜λŠ” Assertion μΆ”κ°€ μ™„λ£Œ.
  • JaCoCoλ₯Ό 톡해 ν…ŒμŠ€νŠΈ 컀버리지 100% μœ μ§€ 확인 μ™„λ£Œ.

PR created automatically by Jules for task 5380871589287868541 started by @seonghobae

검색 엔진이 μƒμ„±λœ 디렉토리 인덱슀 HTML을 μ˜λ„μΉ˜ μ•Šκ²Œ μˆ˜μ§‘ν•˜μ—¬
디렉토리 ꡬ쑰와 λ―Όκ°ν•œ 정보가 λ…ΈμΆœλ˜λŠ” 것을 λ°©μ§€ν•˜κΈ° μœ„ν•΄
<meta name="robots" content="noindex, nofollow"> νƒœκ·Έλ₯Ό 좔가함.
Copilot AI review requested due to automatic review settings July 22, 2026 20:42
@google-labs-jules

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πŸ‘‹ Jules, reporting for duty! I'm here to lend a hand with this pull request.

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I'll push a commit with your requested changes shortly after. Please note there might be a delay between these steps, but rest assured I'm on the job!

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For security, I will only act on instructions from the user who triggered this task.

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Pull request overview

This PR adds a defense-in-depth measure to the generated directory index.html pages by instructing search engines not to index the pages or follow their links, reducing the chance of directory structure exposure via crawling.

Changes:

  • Added <meta name="robots" content="noindex, nofollow"> to the generated HTML <head> content.
  • Added a regression assertion in MainTest.testGoEmptyDir to verify the robots meta tag is present in generated output.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File Description
src/main/kotlin/html4tree/main.kt Injects a robots meta tag into the generated HTML head to discourage indexing/crawling.
src/test/kotlin/html4tree/MainTest.kt Adds a test assertion to ensure the robots meta tag is emitted in generated index.html.

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Pull request overview

OpenCode cannot approve yet because required coverage evidence did not pass.

Review outcome

1. HIGH .github/workflows/opencode-review.yml:1 - Coverage evidence did not prove required test/docstring evidence

  • Problem: The required coverage-evidence job result was failure, so OpenCode cannot establish approval sufficiency for this head.

  • Root cause: Automated approval is only valid when the same-head coverage-evidence job proves supported repository test suites passed and configured docstring gates passed or were advisory, or reports not applicable because no supported source files or package manifests exist. Missing, failed, skipped, unavailable, or unsupported-tooling test evidence is a blocker.

  • Fix: Install or configure the repository test/docstring evidence tooling when source files or package manifests exist, rerun the current-head coverage-evidence job, and approve only after it reports success with required evidence or explicit no-source not-applicable evidence.

  • Regression test: Keep the approval branch checking needs.coverage-evidence.result == success before posting APPROVE, and publish REQUEST_CHANGES when coverage-evidence blocker states such as cancelled, skipped, failed, unsupported-tooling, or below-100 evidence are present.

  • Result: REQUEST_CHANGES

  • Reason: coverage-evidence result was failure, so required test/docstring evidence was not proven for current head 670da38d5790daf3b18f7d8540d583caaf7cac13.

  • Head SHA: 670da38d5790daf3b18f7d8540d583caaf7cac13

  • Workflow run: 30424271110

  • Workflow attempt: 1

Coverage evidence

Coverage evidence job did not run or did not publish coverage evidence.

Changed-File Evidence Map

flowchart LR
  PR["PR changed files"] --> Evidence["OpenCode bounded evidence"]
  Evidence --> S1["Changed file (2 files)"]
  S1 --> I1["repository behavior"]
  I1 --> R1["Review risk: Changed file (2 files)"]
  R1 --> V1["required checks"]
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OpenCode Review Overview

  • Head SHA: 670da38d5790daf3b18f7d8540d583caaf7cac13
  • Workflow run: 30424271110
  • Workflow attempt: 1
  • Gate result: REQUEST_CHANGES (approval step)

Pull request overview

OpenCode cannot approve yet because required coverage evidence did not pass.

Review outcome

1. HIGH .github/workflows/opencode-review.yml:1 - Coverage evidence did not prove required test/docstring evidence

  • Problem: The required coverage-evidence job result was failure, so OpenCode cannot establish approval sufficiency for this head.

  • Root cause: Automated approval is only valid when the same-head coverage-evidence job proves supported repository test suites passed and configured docstring gates passed or were advisory, or reports not applicable because no supported source files or package manifests exist. Missing, failed, skipped, unavailable, or unsupported-tooling test evidence is a blocker.

  • Fix: Install or configure the repository test/docstring evidence tooling when source files or package manifests exist, rerun the current-head coverage-evidence job, and approve only after it reports success with required evidence or explicit no-source not-applicable evidence.

  • Regression test: Keep the approval branch checking needs.coverage-evidence.result == success before posting APPROVE, and publish REQUEST_CHANGES when coverage-evidence blocker states such as cancelled, skipped, failed, unsupported-tooling, or below-100 evidence are present.

  • Result: REQUEST_CHANGES

  • Reason: coverage-evidence result was failure, so required test/docstring evidence was not proven for current head 670da38d5790daf3b18f7d8540d583caaf7cac13.

  • Head SHA: 670da38d5790daf3b18f7d8540d583caaf7cac13

  • Workflow run: 30424271110

  • Workflow attempt: 1

Coverage evidence

Coverage evidence job did not run or did not publish coverage evidence.

Changed-File Evidence Map

flowchart LR
  PR["PR changed files"] --> Evidence["OpenCode bounded evidence"]
  Evidence --> S1["Changed file (2 files)"]
  S1 --> I1["repository behavior"]
  I1 --> R1["Review risk: Changed file (2 files)"]
  R1 --> V1["required checks"]
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Closing as superseded by draft canonical #349. The same robots hint is retained there with the correct cooperative-indexing-only boundary and requirements for post-#363 update, current Google Search Central APA 7 doctoring, changelog, generated-page tests, exact-head checks, and independent approval. No review or check from this duplicate head is reused.

@seonghobae seonghobae closed this Aug 5, 2026
@google-labs-jules

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Closing as superseded by draft canonical #349. The same robots hint is retained there with the correct cooperative-indexing-only boundary and requirements for post-#363 update, current Google Search Central APA 7 doctoring, changelog, generated-page tests, exact-head checks, and independent approval. No review or check from this duplicate head is reused.

Understood. Acknowledging that this work is superseded by #349 and stopping work on this task.

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