chore: Add Security Scan

.github/workflows/security-scan.yaml

@@ -0,0 +1,115 @@
+name: Security Scan
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+jobs:
+  trivy-scan:
+    name: Trivy
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      security-events: write
+      actions: read
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+          cache: "pip"
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          if [ -f pyproject.toml ]; then
+            pip install -e ".[dev]"
+          fi
+
+      - name: Run Trivy vulnerability scan
+        uses: aquasecurity/trivy-action@77137e9dc3ab1b329b7c8a38c2eb7475850a14e8
+        with:
+          scan-type: 'fs'
+          scan-ref: '.'
+          format: 'sarif'
+          output: 'trivy-results.sarif'
+          severity: 'CRITICAL,HIGH,MEDIUM,LOW'
+          exit-code: '0'
+
+      - name: Check for critical and high vulnerabilities
+        uses: aquasecurity/trivy-action@77137e9dc3ab1b329b7c8a38c2eb7475850a14e8
+        with:
+          scan-type: 'fs'
+          scan-ref: '.'
+          format: 'table'
+          severity: 'CRITICAL,HIGH'
+          exit-code: '1'
+
+      - name: Upload Trivy scan results to Security tab
+        uses: github/codeql-action/upload-sarif@v3
+        if: always()
+        with:
+          sarif_file: 'trivy-results.sarif'
+          category: 'trivy-security-scan'
+
+  bandit-scan:
+    name: Bandit
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write
+      actions: read
+      contents: read
+      checks: write
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+          cache: "pip"
+
+      - name: Create virtual environment
+        run: |
+          python -m pip install --upgrade pip
+          python -m venv .venv
+
+      - name: Install dependencies
+        run: |
+          source .venv/bin/activate
+          pip install -e ".[dev]"
+
+      - name: Install Bandit
+        run: |
+          source .venv/bin/activate
+          pip install bandit[sarif]
+
+      - name: Run Bandit Security Scan
+        uses: PyCQA/bandit-action@67a458d90fa11fb1463e91e7f4c8f068b5863c7f
+        with:
+          targets: "."
+          exclude: "tests"
+
+      - name: Upload SARIF results to GitHub Security tab
+        if: github.ref == 'refs/heads/main'
+        uses: github/codeql-action/upload-sarif@86b04fb0e47484f7282357688f21d5d0e32175fe
+        with:
+          sarif_file: results.sarif
+          category: bandit-security-scan
+        continue-on-error: true
+
+      - name: Upload SARIF as artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: bandit-sarif-results
+          path: results.sarif
+          retention-days: 30
+        continue-on-error: true