Update trivy scan (#104)

.github/workflows/build-trivy.yaml

@@ -48,15 +48,38 @@ jobs:
       with:
         fetch-depth: 0
 
-    - name: Set up JDK
-      uses: actions/setup-java@v4
-      with:
-        java-version: '11'
-        distribution: 'zulu'
+    - name: Setup oras
+      run: |
+        VERSION="1.2.0"
+        curl -LO "https://github.com/oras-project/oras/releases/download/v${VERSION}/oras_${VERSION}_linux_amd64.tar.gz"
+        mkdir -p oras-install/
+        tar -zxf oras_${VERSION}_*.tar.gz -C oras-install/
+        sudo mv oras-install/oras /usr/local/bin/
+        rm -rf oras_${VERSION}_*.tar.gz oras-install/
+
+    - name: Get current date
+      id: date
+      run: echo "date=$(date +'%Y-%m-%d')" >> $GITHUB_OUTPUT
+
+    - name: Download and extract the vulnerability DB
+      run: |
+        mkdir -p $GITHUB_WORKSPACE/.cache/trivy/db
+        oras pull ghcr.io/aquasecurity/trivy-db:2
+        tar -xzf db.tar.gz -C $GITHUB_WORKSPACE/.cache/trivy/db
+        rm db.tar.gz
+
+    - name: Download and extract the Java DB
+      run: |
+        mkdir -p $GITHUB_WORKSPACE/.cache/trivy/java-db
+        oras pull ghcr.io/aquasecurity/trivy-java-db:1
+        tar -xzf javadb.tar.gz -C $GITHUB_WORKSPACE/.cache/trivy/java-db
+        rm javadb.tar.gz
 
     - name: Trivy Scan
       shell: bash
       run: |
         DIR=`mktemp -d`
         curl -sfL https://raw.githubusercontent.com/aquasecurity/trivy/main/contrib/install.sh | sh -s -- -b ${DIR} v0.51.2
-        ${DIR}/trivy fs --exit-code 1 .
+        echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u $ --password-stdin
+        export TRIVY_CACHE=$GITHUB_WORKSPACE/.cache/trivy
+        ${DIR}/trivy fs --cache-dir ${TRIVY_CACHE} --exit-code 1 .