|
| 1 | +name: Git Hash Security Check |
| 2 | + |
| 3 | +on: |
| 4 | + pull_request: |
| 5 | + push: |
| 6 | + branches: |
| 7 | + - develop |
| 8 | + - trunk |
| 9 | + workflow_dispatch: |
| 10 | + |
| 11 | +permissions: |
| 12 | + contents: read |
| 13 | + |
| 14 | +jobs: |
| 15 | + check-git-hash-security: |
| 16 | + name: Verify Full Git Commit Hashes |
| 17 | + runs-on: ubuntu-latest |
| 18 | + steps: |
| 19 | + - name: Check out the source code |
| 20 | + uses: actions/checkout@v4 |
| 21 | + |
| 22 | + - name: Check for short git hashes in package.json |
| 23 | + run: | |
| 24 | + echo "🔍 Checking package.json for short git commit hashes..." |
| 25 | +
|
| 26 | + # Find all github: dependencies |
| 27 | + if grep -q "github:" package.json; then |
| 28 | + echo "Found git dependencies in package.json:" |
| 29 | + |
| 30 | + # Check each github dependency line |
| 31 | + grep "github:" package.json | while IFS= read -r line; do |
| 32 | + echo "Checking: $line" |
| 33 | + |
| 34 | + # Extract the hash part after # |
| 35 | + if [[ $line =~ github:[^#]*#([0-9a-f]+) ]]; then |
| 36 | + hash="${BASH_REMATCH[1]}" |
| 37 | + hash_length=${#hash} |
| 38 | + dep_name=$(echo "$line" | sed 's/.*"\([^"]*\)".*/\1/') |
| 39 | + |
| 40 | + echo " Found hash: $hash (length: $hash_length)" |
| 41 | + |
| 42 | + if [ $hash_length -lt 40 ]; then |
| 43 | + echo "❌ SECURITY VULNERABILITY: Short git hash detected!" |
| 44 | + echo " Dependency: $dep_name" |
| 45 | + echo " Hash '$hash' is only $hash_length characters" |
| 46 | + echo " REQUIRED: Use full 40-character commit hash" |
| 47 | + echo "" |
| 48 | + echo "🛡️ SECURITY REQUIREMENT:" |
| 49 | + echo " All git dependencies must use full 40-character commit hashes" |
| 50 | + echo " Short hashes are vulnerable to collision attacks" |
| 51 | + echo "" |
| 52 | + echo "📖 Why this matters:" |
| 53 | + echo " • 7-character hashes have only 268M possibilities" |
| 54 | + echo " • Attackers can create colliding commits in forks" |
| 55 | + echo " • This breaks builds and enables supply chain attacks" |
| 56 | + echo " • Only full 40-character hashes provide security" |
| 57 | + exit 1 |
| 58 | + elif [ $hash_length -eq 40 ]; then |
| 59 | + echo "✅ $dep_name: Secure 40-character hash" |
| 60 | + else |
| 61 | + echo "⚠️ $dep_name: Hash longer than 40 characters: $hash_length" |
| 62 | + fi |
| 63 | + elif [[ $line =~ github:[^#]*#([^\",:]+) ]]; then |
| 64 | + # Non-hex hash (might be tag/branch) |
| 65 | + ref="${BASH_REMATCH[1]}" |
| 66 | + echo " Found non-hex reference: $ref (likely tag/branch - OK)" |
| 67 | + else |
| 68 | + echo " No hash found in line (may resolve to latest)" |
| 69 | + fi |
| 70 | + done |
| 71 | + else |
| 72 | + echo "No github: dependencies found in package.json" |
| 73 | + fi |
| 74 | +
|
| 75 | + echo "✅ package.json validation complete" |
| 76 | +
|
| 77 | + - name: Check for short git hashes in npm-shrinkwrap.json |
| 78 | + run: | |
| 79 | + echo "🔍 Checking npm-shrinkwrap.json for short git commit hashes..." |
| 80 | +
|
| 81 | + if [ -f "npm-shrinkwrap.json" ]; then |
| 82 | + # Look for git+ssh URLs with hashes |
| 83 | + if grep -q "git+ssh:" npm-shrinkwrap.json; then |
| 84 | + echo "Found git+ssh dependencies, checking hash lengths..." |
| 85 | + |
| 86 | + # Extract git+ssh lines and check hashes |
| 87 | + grep "git+ssh:" npm-shrinkwrap.json | while IFS= read -r line; do |
| 88 | + if [[ $line =~ git\+ssh://[^#]*#([0-9a-f]+) ]]; then |
| 89 | + hash="${BASH_REMATCH[1]}" |
| 90 | + hash_length=${#hash} |
| 91 | + |
| 92 | + if [ $hash_length -lt 40 ]; then |
| 93 | + echo "❌ SECURITY VULNERABILITY: Short git hash in npm-shrinkwrap.json!" |
| 94 | + echo " Hash '$hash' is only $hash_length characters" |
| 95 | + echo "" |
| 96 | + echo "🔧 To fix this:" |
| 97 | + echo " 1. Update package.json to use full 40-character hashes" |
| 98 | + echo " 2. Delete npm-shrinkwrap.json" |
| 99 | + echo " 3. Run 'npm install' to regenerate with full hashes" |
| 100 | + exit 1 |
| 101 | + fi |
| 102 | + fi |
| 103 | + done |
| 104 | + fi |
| 105 | + |
| 106 | + echo "✅ npm-shrinkwrap.json: No short git hashes found" |
| 107 | + else |
| 108 | + echo "ℹ️ npm-shrinkwrap.json not found, skipping check" |
| 109 | + fi |
| 110 | +
|
| 111 | + - name: Security check summary |
| 112 | + run: | |
| 113 | + echo "" |
| 114 | + echo "🎉 Git Hash Security Check Complete!" |
| 115 | + echo "✅ All git dependencies use secure 40-character commit hashes" |
| 116 | + echo "✅ No collision-vulnerable short hashes detected" |
| 117 | + echo "🛡️ Supply chain security requirements satisfied" |
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