fix invalid rule exception for SARIF templates (#47)

This reverts commit 4ef054abe6.

Dockerfile

@@ -0,0 +1,5 @@
+FROM aquasec/trivy:0.18.1
+COPY entrypoint.sh /
+RUN apk --no-cache add bash
+RUN chmod +x /entrypoint.sh
+ENTRYPOINT ["/entrypoint.sh"]

LICENSE

@@ -0,0 +1,201 @@
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README.md

@@ -1,2 +1,300 @@
-# Trivy GitHub Action
+# Trivy Action
 
+> [GitHub Action](https://github.com/features/actions) for [Trivy](https://github.com/aquasecurity/trivy)
+
+[![GitHub Release][release-img]][release]
+[![GitHub Marketplace][marketplace-img]][marketplace]
+[![License][license-img]][license]
+
+![](docs/images/trivy-action.png)
+
+## Table of Contents
+
+- [Usage](#usage)
+  - [Workflow](#workflow)
+  - [Docker Image Scanning](#using-trivy-with-github-code-scanning)
+  - [Git Repository Scanning](#using-trivy-to-scan-your-git-repo)
+- [Customizing](#customizing)
+  - [Inputs](#inputs)
+
+## Usage
+
+### Workflow
+
+```yaml
+name: build
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-18.04
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      
+      - name: Build an image from Dockerfile
+        run: |
+          docker build -t docker.io/my-organization/my-app:${{ github.sha }} .
+      
+      - name: Run Trivy vulnerability scanner
+        uses: aquasecurity/trivy-action@master
+        with:
+          image-ref: 'docker.io/my-organization/my-app:${{ github.sha }}'
+          format: 'table'
+          exit-code: '1'
+          ignore-unfixed: true
+          vuln-type: 'os,library'
+          severity: 'CRITICAL,HIGH'
+```
+
+### Using Trivy with GitHub Code Scanning
+If you have [GitHub code scanning](https://docs.github.com/en/github/finding-security-vulnerabilities-and-errors-in-your-code/about-code-scanning) available you can use Trivy as a scanning tool as follows:
+```yaml
+name: build
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-18.04
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Build an image from Dockerfile
+        run: |
+          docker build -t docker.io/my-organization/my-app:${{ github.sha }} .
+
+      - name: Run Trivy vulnerability scanner
+        uses: aquasecurity/trivy-action@master
+        with:
+          image-ref: 'docker.io/my-organization/my-app:${{ github.sha }}'
+          format: 'template'
+          template: '@/contrib/sarif.tpl'
+          output: 'trivy-results.sarif'
+
+      - name: Upload Trivy scan results to GitHub Security tab
+        uses: github/codeql-action/upload-sarif@v1
+        with:
+          sarif_file: 'trivy-results.sarif'
+```
+
+You can find a more in-depth example here: https://github.com/aquasecurity/trivy-sarif-demo/blob/master/.github/workflows/scan.yml
+
+### Using Trivy to scan your Git repo
+It's also possible to scan your git repos with Trivy's built-in repo scan. This can be handy if you want to run Trivy as a build time check on each PR that gets opened in your repo. This helps you identify potential vulnerablites that might get introduced with each PR.
+
+If you have [GitHub code scanning](https://docs.github.com/en/github/finding-security-vulnerabilities-and-errors-in-your-code/about-code-scanning) available you can use Trivy as a scanning tool as follows:
+```yaml
+name: build
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-18.04
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Run Trivy vulnerability scanner in repo mode
+        uses: aquasecurity/trivy-action@master
+        with:
+          scan-type: 'fs'
+          ignore-unfixed: true
+          format: 'template'
+          template: '@/contrib/sarif.tpl'
+          output: 'trivy-results.sarif'
+          severity: 'CRITICAL'
+
+      - name: Upload Trivy scan results to GitHub Security tab
+        uses: github/codeql-action/upload-sarif@v1
+        with:
+          sarif_file: 'trivy-results.sarif'
+```
+
+### Using Trivy to scan your private registry
+It's also possible to scan your private registry with Trivy's built-in image scan. All you have to do is set ENV vars.
+
+#### Docker Hub registry
+Docker Hub needs `TRIVY_USERNAME` and `TRIVY_PASSWORD`.
+You don't need to set ENV vars when downloading from a public repository.
+```yaml
+name: build
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-18.04
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+        
+      - name: Run Trivy vulnerability scanner
+        uses: aquasecurity/trivy-action@master
+        with:
+          image-ref: 'docker.io/my-organization/my-app:${{ github.sha }}'
+          format: 'template'
+          template: '@/contrib/sarif.tpl'
+          output: 'trivy-results.sarif'
+        env:
+          TRIVY_USERNAME: Username
+          TRIVY_PASSWORD: Password        
+
+      - name: Upload Trivy scan results to GitHub Security tab
+        uses: github/codeql-action/upload-sarif@v1
+        with:
+          sarif_file: 'trivy-results.sarif'
+```
+
+#### AWS ECR (Elastic Container Registry)
+Trivy uses AWS SDK. You don't need to install `aws` CLI tool.
+You can use [AWS CLI's ENV Vars][env-var].
+
+[env-var]: https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-envvars.html
+```yaml
+name: build
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-18.04
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+        
+      - name: Run Trivy vulnerability scanner
+        uses: aquasecurity/trivy-action@master
+        with:
+          image-ref: 'aws_account_id.dkr.ecr.region.amazonaws.com/imageName:${{ github.sha }}'
+          format: 'template'
+          template: '@/contrib/sarif.tpl'
+          output: 'trivy-results.sarif'
+        env:
+          AWS_ACCESS_KEY_ID: key_id
+          AWS_SECRET_ACCESS_KEY: access_key
+          AWS_DEFAULT_REGION: us-west-2
+
+      - name: Upload Trivy scan results to GitHub Security tab
+        uses: github/codeql-action/upload-sarif@v1
+        with:
+          sarif_file: 'trivy-results.sarif'
+```
+
+#### GCR (Google Container Registry)
+Trivy uses Google Cloud SDK. You don't need to install `gcloud` command.
+
+If you want to use target project's repository, you can set it via `GOOGLE_APPLICATION_CREDENTIAL`.
+```yaml
+name: build
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-18.04
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+        
+      - name: Run Trivy vulnerability scanner
+        uses: aquasecurity/trivy-action@master
+        with:
+          image-ref: 'docker.io/my-organization/my-app:${{ github.sha }}'
+          format: 'template'
+          template: '@/contrib/sarif.tpl'
+          output: 'trivy-results.sarif'
+        env:
+          GOOGLE_APPLICATION_CREDENTIAL: /path/to/credential.json
+
+      - name: Upload Trivy scan results to GitHub Security tab
+        uses: github/codeql-action/upload-sarif@v1
+        with:
+          sarif_file: 'trivy-results.sarif'
+```
+
+#### Self-Hosted
+BasicAuth server needs `TRIVY_USERNAME` and `TRIVY_PASSWORD`.
+if you want to use 80 port, use NonSSL `TRIVY_NON_SSL=true`
+```yaml
+name: build
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-18.04
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+        
+      - name: Run Trivy vulnerability scanner
+        uses: aquasecurity/trivy-action@master
+        with:
+          image-ref: 'docker.io/my-organization/my-app:${{ github.sha }}'
+          format: 'template'
+          template: '@/contrib/sarif.tpl'
+          output: 'trivy-results.sarif'
+        env:
+          TRIVY_USERNAME: Username
+          TRIVY_PASSWORD: Password        
+
+      - name: Upload Trivy scan results to GitHub Security tab
+        uses: github/codeql-action/upload-sarif@v1
+        with:
+          sarif_file: 'trivy-results.sarif'
+```
+
+## Customizing
+
+### inputs
+
+Following inputs can be used as `step.with` keys:
+
+| Name             | Type    | Default                            | Description                                   |
+|------------------|---------|------------------------------------|-----------------------------------------------|
+| `scan-type`      | String  | `image`                            | Scan type, e.g. `image` or `fs`|
+| `input`          | String  |                                    | Tar reference, e.g. `alpine-latest.tar` |
+| `image-ref`      | String  |                                    | Image reference, e.g. `alpine:3.10.2`         |
+| `scan-ref`       | String  | `/github/workspace/`               | Scan reference, e.g. `/github/workspace/` or `.`|
+| `format`         | String  | `table`                            | Output format (`table`, `json`, `template`)   |
+| `template`       | String  |                                    | Output template (`@/contrib/sarif.tpl`, `@/contrib/gitlab.tpl`, `@/contrib/junit.tpl`)|
+| `output`         | String  |                                    | Save results to a file                        |
+| `exit-code`      | String  | `0`                                | Exit code when vulnerabilities were found     |
+| `ignore-unfixed` | Boolean | false                              | Ignore unpatched/unfixed vulnerabilities      |
+| `vuln-type`      | String  | `os,library`                       | Vulnerability types (os,library)              |
+| `severity`       | String  | `UNKNOWN,LOW,MEDIUM,HIGH,CRITICAL` | Severities of vulnerabilities to be displayed |
+| `skip-dirs`       | String  |                                   | Comma separated list of directories where traversal is skipped |
+| `cache-dir`      | String  |                                    | Cache directory                               |
+| `timeout`        | String  | `2m0s`                             | Scan timeout duration                         |
+
+[release]: https://github.com/aquasecurity/trivy-action/releases/latest
+[release-img]: https://img.shields.io/github/release/aquasecurity/trivy-action.svg?logo=github
+[marketplace]: https://github.com/marketplace/actions/aqua-security-trivy
+[marketplace-img]: https://img.shields.io/badge/marketplace-trivy--action-blue?logo=github
+[license]: https://github.com/aquasecurity/trivy-action/blob/master/LICENSE
+[license-img]: https://img.shields.io/github/license/aquasecurity/trivy-action

action.yaml

@@ -1,23 +1,77 @@
-name: 'Trivy Vulnerability Scanner'
-description: 'Scan container image for vulnerabilities with Trivy'
-author: 'Daniel Pacak'
+name: 'Aqua Security Trivy'
+description: 'Scans container images for vulnerabilities with Trivy'
+author: 'Aqua Security'
 inputs:
-  image-ref: # Docker image reference, e.g. alpine:3.10.2
-    description: 'Docker image reference'
+  scan-type:
+    description: 'Scan type to use for scanning vulnerability'
+    required: false
+    default: 'image'
+  image-ref:
+    description: 'image reference(for backward compatibility)'
     required: true
+  input:
+    description: 'reference of tar file to scan'
+    required: false
+    default: ''
+  scan-ref:
+    description: 'Scan reference'
+    required: false
+    default: '.'
   exit-code:
-    description: 'Exit code'
+    description: 'exit code when vulnerabilities were found'
     required: false
     default: '0'
+  ignore-unfixed:
+    description: 'ignore unfixed vulnerabilities'
+    required: false
+    default: 'false'
+  vuln-type:
+    description: 'comma-separated list of vulnerability types (os,library)'
+    required: false
+    default: 'os,library'
+  severity:
+    description: 'severities of vulnerabilities to be displayed'
+    required: false
+    default: 'UNKNOWN,LOW,MEDIUM,HIGH,CRITICAL'
   format:
-    description: 'Output format'
+    description: 'output format (table, json, template)'
     required: false
     default: 'table'
+  template:
+    description: 'use an existing template for rendering output (@/contrib/sarif.tpl, @/contrib/gitlab.tpl, @/contrib/junit.tpl'
+    required: false
+    default: ''
+  output:
+    description: 'writes results to a file with the specified file name'
+    required: false
+    default: ''
+  skip-dirs:
+    description: 'comma separated list of directories where traversal is skipped'
+    required: false
+    default: ''
+  cache-dir:
+    description: 'specify where the cache is stored'
+    required: false
+    default: ''
+  timeout:
+    description: 'timeout (default 2m0s)'
+    required: false
+    default: ''
 runs:
   using: 'docker'
-  image: 'docker://docker.io/aquasec/trivy:latest'
+  image: "Dockerfile"
   args:
-    - 'image'
-    - '--format=${{ inputs.format }}'
-    - '--exit-code=${{ inputs.exit-code }}'
-    - '${{ inputs.image-ref }}'
+    - '-a ${{ inputs.scan-type }}'
+    - '-b ${{ inputs.format }}'
+    - '-c ${{ inputs.template }}'
+    - '-d ${{ inputs.exit-code }}'
+    - '-e ${{ inputs.ignore-unfixed }}'
+    - '-f ${{ inputs.vuln-type }}'
+    - '-g ${{ inputs.severity }}'
+    - '-h ${{ inputs.output }}'
+    - '-i ${{ inputs.image-ref }}'
+    - '-j ${{ inputs.scan-ref }}'
+    - '-k ${{ inputs.skip-dirs }}'
+    - '-l ${{ inputs.input }}'
+    - '-m ${{ inputs.cache-dir }}'
+    - '-n ${{ inputs.timeout }}'

entrypoint.sh

@@ -0,0 +1,97 @@
+#!/bin/bash
+set -e
+while getopts "a:b:c:d:e:f:g:h:i:j:k:l:m:n:" o; do
+   case "${o}" in
+       a)
+         export scanType=${OPTARG}
+       ;;
+       b)
+         export format=${OPTARG}
+       ;;
+       c)
+         export template=${OPTARG}
+       ;;
+       d)
+         export exitCode=${OPTARG}
+       ;;
+       e)
+         export ignoreUnfixed=${OPTARG}
+       ;;
+       f)
+         export vulnType=${OPTARG}
+       ;;
+       g)
+         export severity=${OPTARG}
+       ;;
+       h)
+         export output=${OPTARG}
+       ;;
+       i)
+         export imageRef=${OPTARG}
+       ;;
+       j)
+         export scanRef=${OPTARG}
+       ;;
+       k)
+         export skipDirs=${OPTARG}
+       ;;
+       l)
+         export input=${OPTARG}
+       ;;
+       m)
+         export cacheDir=${OPTARG}
+       ;;
+       n)
+         export timeout=${OPTARG}
+       ;;
+  esac
+done
+
+scanType=$(echo $scanType | tr -d '\r')
+export artifactRef="${imageRef}"
+if [ "${scanType}" = "fs" ];then
+  artifactRef=$(echo $scanRef | tr -d '\r')
+fi
+input=$(echo $input | tr -d '\r')
+if [ $input ]; then
+  artifactRef="--input $input"
+fi
+ignoreUnfixed=$(echo $ignoreUnfixed | tr -d '\r')
+
+ARGS=""
+if [ $format ];then
+ ARGS="$ARGS --format $format"
+fi
+if [ $template ] ;then
+ ARGS="$ARGS --template $template"
+fi
+if [ $exitCode ];then
+ ARGS="$ARGS --exit-code $exitCode"
+fi
+if [ "$ignoreUnfixed" == "true" ];then
+  ARGS="$ARGS --ignore-unfixed"
+fi
+if [ $vulnType ];then
+  ARGS="$ARGS --vuln-type $vulnType"
+fi
+if [ $severity ];then
+  ARGS="$ARGS --severity $severity"
+fi
+if [ $output ];then
+  ARGS="$ARGS --output $output"
+fi
+if [ $skipDirs ];then
+  for i in $(echo $skipDirs | tr "," "\n")
+  do
+    ARGS="$ARGS --skip-dirs $i"
+  done
+fi
+if [ $cacheDir ];then
+  ARGS="$ARGS --cache-dir $cacheDir"
+fi
+if [ $timeout ];then
+  ARGS="$ARGS --timeout $timeout"
+fi
+
+echo "Running trivy with options: " --no-progress "${ARGS}" "${artifactRef}"
+trivy ${scanType} --no-progress $ARGS ${artifactRef}

workflow.yml

@@ -0,0 +1,34 @@
+name: build
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-18.04
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Build an image from Dockerfile
+        run: |
+          docker build -t docker.io/my-organization/my-app:${{ github.sha }} .
+
+      - name: Run Trivy vulnerability scanner
+        uses: aquasecurity/trivy-action@master
+        with:
+          image-ref: 'docker.io/my-organization/my-app:${{ github.sha }}'
+          exit-code: '1'
+          ignore-unfixed: true
+          vuln-type: 'os,library'
+          format: 'template'
+          template: '@/contrib/sarif.tpl'
+          output: 'trivy-results.sarif'
+          severity: 'CRITICAL,HIGH'
+
+      - name: Upload Trivy scan results to GitHub Security tab
+        uses: github/codeql-action/upload-sarif@v1
+        with:
+          sarif_file: 'trivy-results.sarif'