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				https://github.com/Xahau/xahaud.git
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	* chore: add suspicious_patterns to .scripts/pre-hook and not-suspicious filter * rm: kill annoying checkpatterns job * chore: cleanup --------- Co-authored-by: RichardAH <richard.holland@starstone.co.nz>
		
			
				
	
	
		
			131 lines
		
	
	
		
			4.9 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			131 lines
		
	
	
		
			4.9 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
#!/bin/bash
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# Exit on error, undefined variables, and pipe failures
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set -euo pipefail
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# Enable debug mode if DEBUG environment variable is set
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[[ "${DEBUG:-}" == "1" ]] && set -x
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# This script prevents accidental commits of XRPL/Ripple cryptographic keys
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# It searches for:
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#   - Secret seeds (s...) - can derive keypairs
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#   - Private keys (p...) - validator private keys! 
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#   - Raw key material (02/03/ED + hex) - compressed public keys or Ed25519 keys
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#
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# Usage:
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#   suspicious_patterns.sh           # Check last commit (for CI)
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#   suspicious_patterns.sh --pre-commit  # Check staged files (for pre-commit hook)
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#
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# WARNING: If this catches a real key in CI, that key is already compromised!
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# The key has been pushed to the git history and must be immediately decommissioned.
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# 
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# To mark keys as safe, add comment: // not-suspicious
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# Files excluded: See exclude_files array below
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# Lines excluded: Matching exclude_pattern regex below
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# Pattern for lines to exclude from checking
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exclude_pattern="public_key|not-suspicious"
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# Array of files to exclude from checking (paths relative to repo root)
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exclude_files=(
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  "src/test/app/Import_test.cpp"
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  "cfg/validators-example.txt"
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)
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# Get the repository's root directory
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repo_root=$(git rev-parse --show-toplevel)
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# Determine which files to check based on context:
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# 1. Pre-commit hook: Check staged files before commit
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# 2. GitHub PR: Check all files changed in the PR (HEAD is a synthetic merge commit)
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# 3. Regular push/CI: Check files in the last real commit
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if [[ "${1:-}" == "--pre-commit" ]]; then
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  # Pre-commit mode: Check what's about to be committed
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  files_changed=$(git diff --cached --name-only --relative)
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  mode="staged files"
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else
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  # CI mode - need to handle two different scenarios
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  if [[ "${GITHUB_EVENT_NAME:-}" == "pull_request" ]]; then
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    # GitHub PR event: HEAD is a synthetic merge commit created by GitHub
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    # that merges PR branch into base. Must diff against base to get only PR files.
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    base_ref="${GITHUB_BASE_REF:-dev}"
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    # Ensure we have the base branch (GitHub Actions shallow clone might not have it)
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    if ! git rev-parse --verify "origin/$base_ref" >/dev/null 2>&1; then
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      echo "Fetching base branch origin/$base_ref..."
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      git fetch --depth=1 origin "$base_ref"
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    fi
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    # Since there's no merge base in shallow clones, we need to be creative
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    # Save current HEAD, switch to base, then diff the trees
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    current_head=$(git rev-parse HEAD)
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    echo "Comparing against base branch origin/$base_ref..."
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    # Get the tree objects to compare (this works even without shared history)
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    base_tree=$(git rev-parse "origin/$base_ref^{tree}")
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    head_tree=$(git rev-parse "$current_head^{tree}")
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    # Compare the two trees directly
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    files_changed=$(git diff --name-only "$base_tree" "$head_tree")
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    mode="PR changes"
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  else
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    # Regular push event: Check the actual commit that was pushed
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    # Using 'git show' works even with shallow clones (no HEAD~1 needed)
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    # See: https://github.com/Xahau/xahaud/actions/runs/15492442104/job/43620965462#step:3:11
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    files_changed=$(git show --name-only --pretty=format:'' HEAD)
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    mode="last commit"
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  fi
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fi
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echo "Checking $mode for suspicious patterns..."
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# Show additional info in CI or when verbose mode is enabled
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if [[ -n "${CI:-}" ]] || [[ "${VERBOSE:-}" == "1" ]]; then
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  if [[ "${1:-}" != "--pre-commit" ]]; then
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    echo "Commit: $(git rev-parse HEAD)"
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  fi
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  echo "Files to check:"
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  if [[ -n "$files_changed" ]]; then
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    echo "$files_changed" | nl
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  else
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    echo "  (none)"
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  fi
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fi
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# Loop through each file and search for the patterns
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for file in $files_changed; do
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  # Check if file should be excluded (exact path match)
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  for excluded in "${exclude_files[@]}"; do
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    if [[ "$file" == "$excluded" ]]; then
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      continue 2  # Continue outer loop
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    fi
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  done
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  # Construct the absolute path
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  absolute_path="$repo_root/$file"
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  # Check if the file exists (it might have been deleted)
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  if [ -f "$absolute_path" ]; then
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    # Get file content based on mode
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    if [[ "${1:-}" == "--pre-commit" ]]; then
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      # For staged files, use git show with the staging area
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      file_content=$(git show ":$file" 2>/dev/null)
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    else
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      # For committed files, read from disk
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      file_content=$(cat "$absolute_path")
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    fi
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    # Search the file content for the given patterns, but exclude lines matching the exclusion pattern
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    # Use || true to prevent grep from failing the script when no matches are found
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    grep_output=$(echo "$file_content" | grep -n -E '(([^rpshnaf39wBUDNEGHJKLM4PQRST7VWXYZ2bcdeCg65jkm8oFqi1tuvAxyz]|^)(s|p)[rpshnaf39wBUDNEGHJKLM4PQRST7VWXYZ2bcdeCg65jkm8oFqi1tuvAxyz]{25,60}([^(]|$)))|([^A-Fa-f0-9](02|03|ED)[A-Fa-f0-9]{64})' | grep -vE "$exclude_pattern" || true)
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    # Check if grep found any matches
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    if [ ! -z "$grep_output" ]; then
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      # Suspicious patterns were found
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      echo "Error: Suspicious patterns were found in $absolute_path."
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      echo "$grep_output"
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      exit 1
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    fi
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  fi
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done
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