feat: add secret redaction before sending data to Braintrust#11
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ainergiz wants to merge 1 commit intobraintrustdata:mainfrom
Open
feat: add secret redaction before sending data to Braintrust#11ainergiz wants to merge 1 commit intobraintrustdata:mainfrom
ainergiz wants to merge 1 commit intobraintrustdata:mainfrom
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- Add redact_secrets() function with pattern-based detection - Add file blocklist for sensitive files (.env, .pem, credentials, etc.) - Apply redaction to tool inputs/outputs in post_tool_use.sh - Apply redaction to conversation content in stop_hook.sh - Add configurable options via environment variables: - BRAINTRUST_REDACT_ENABLED (default: true) - BRAINTRUST_REDACT_PATTERNS (custom regex patterns) - BRAINTRUST_SKIP_FILES (custom file patterns) - Update SKILL.md documentation Closes braintrustdata#10
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Summary
Adds automatic secret redaction to prevent sensitive data from being uploaded to Braintrust. This addresses the security concern raised in #10.
Changes
New features in
common.sh:redact_secrets()- Pattern-based secret detection and redactionshould_skip_file_content()- File blocklist for sensitive filesget_redacted_file_placeholder()- Placeholder for redacted file contentAutomatically redacted patterns:
sk-*,ghp_*,gho_*,xoxb-*,xoxp-*,AKIA*,npm_*,pypi-*password=,secret=,api_key=,token=,database_url=Files with content automatically redacted:
.env,.env.*,.env.local,.env.production*credentials*,*secrets**.pem,*.key,*.p12,id_rsa*,id_ed25519*New environment variables:
BRAINTRUST_REDACT_ENABLEDtrueBRAINTRUST_REDACT_PATTERNSBRAINTRUST_SKIP_FILESFiles modified
hooks/common.sh- Added redaction functions (+136 lines)hooks/post_tool_use.sh- Apply redaction to tool I/Ohooks/stop_hook.sh- Apply redaction to conversationsSKILL.md- Document new optionsTesting
Users can verify redaction is working by:
BRAINTRUST_CC_DEBUG=truetail -f ~/.claude/state/braintrust_hook.log[REDACTED]in their Braintrust tracesCloses #10