3bb515172d
- Add .editorconfig, .prettierrc, .prettierignore, .gitignore - Add Makefile with fmt, fmt-check, secret-scan targets - Add package.json with prettier - Add tools/secret-scan.sh - Auto-format with prettier - make check passes clean
70 lines
2.1 KiB
Bash
Executable File
70 lines
2.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# secret-scan.sh — Scans for private keys and high-entropy secrets
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# Usage: bash tools/secret-scan.sh [directory]
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# Uses .secret-scan-allowlist for false positives (one file path per line)
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set -e
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SCAN_DIR="${1:-.}"
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ALLOWLIST=".secret-scan-allowlist"
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FINDINGS=0
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# Build find exclusions
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EXCLUDES=(-not -path "*/node_modules/*" -not -path "*/.git/*" -not -path "*/coverage/*" -not -path "*/dist/*")
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# Load allowlist
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ALLOWLIST_PATHS=()
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if [ -f "$ALLOWLIST" ]; then
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while IFS= read -r line || [ -n "$line" ]; do
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[[ "$line" =~ ^#.*$ || -z "$line" ]] && continue
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ALLOWLIST_PATHS+=("$line")
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done < "$ALLOWLIST"
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fi
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is_allowed() {
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local file="$1"
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for allowed in "${ALLOWLIST_PATHS[@]}"; do
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if [[ "$file" == *"$allowed"* ]]; then
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return 0
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fi
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done
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return 1
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}
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echo "Scanning $SCAN_DIR for secrets..."
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# Scan for private keys
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while IFS= read -r file; do
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[ -f "$file" ] || continue
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is_allowed "$file" && continue
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if grep -qE '-----BEGIN (RSA |EC |OPENSSH |DSA )?PRIVATE KEY-----' "$file" 2>/dev/null; then
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echo "FINDING [private-key]: $file"
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FINDINGS=$((FINDINGS + 1))
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fi
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done < <(find "$SCAN_DIR" "${EXCLUDES[@]}" -type f)
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# Scan for high-entropy hex strings (40+ chars)
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while IFS= read -r file; do
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[ -f "$file" ] || continue
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is_allowed "$file" && continue
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if grep -qE '[0-9a-f]{40,}' "$file" 2>/dev/null; then
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# Filter out common false positives (git SHAs in lock files, etc.)
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BASENAME=$(basename "$file")
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if [[ "$BASENAME" != "package-lock.json" && "$BASENAME" != "*.lock" ]]; then
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MATCHES=$(grep -oE '[0-9a-f]{40,}' "$file" 2>/dev/null || true)
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if [ -n "$MATCHES" ]; then
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echo "FINDING [high-entropy-hex]: $file"
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FINDINGS=$((FINDINGS + 1))
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fi
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fi
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fi
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done < <(find "$SCAN_DIR" "${EXCLUDES[@]}" -type f -not -name "package-lock.json" -not -name "*.lock")
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if [ "$FINDINGS" -gt 0 ]; then
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echo "secret-scan: $FINDINGS finding(s) — FAIL"
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exit 1
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else
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echo "secret-scan: clean — PASS"
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exit 0
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fi
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