# For most projects, this workflow file will not need changing; you simply need
# to commit it to your repository.
#
# You may wish to alter this file to override the set of languages analyzed,
# or to provide custom queries or build logic.
#
name: "CodeQL"

on:
  #pull_request:
  #  types:
  #    - opened
  #  branches: '*'
  #push:
  #   branches: [ "main" ]
  # midnight UTC
  schedule:
    - cron: '0 0 * * *'
  # allow to be triggered manually
  workflow_dispatch:

permissions:
  contents: read

jobs:
  analyze:
    if: github.repository == 'bytecodealliance/wasm-micro-runtime'
    name: Analyze
    # Runner size impacts CodeQL analysis time. To learn more, please see:
    #   - https://gh.io/recommended-hardware-resources-for-running-codeql
    #   - https://gh.io/supported-runners-and-hardware-resources
    #   - https://gh.io/using-larger-runners
    # Consider using larger runners for possible analysis time improvements.
    runs-on: ${{ (matrix.language == 'swift' && 'macos-13') || 'ubuntu-22.04' }}
    timeout-minutes: ${{ (matrix.language == 'swift' && 120) || 360 }}

    strategy:
      fail-fast: false
      matrix:
        language: [ 'cpp' ]
        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby', 'swift' ]

    permissions:
      contents: read
      actions: read
      security-events: write

    steps:
    - name: Checkout repository
      uses: actions/checkout@v3
      with:
        submodules: recursive

    # Initializes the CodeQL tools for scanning.
    - name: Initialize CodeQL
      uses: github/codeql-action/init@v3.28.10
      with:
        languages: ${{ matrix.language }}

        # For more details on CodeQL's query packs, refer to: https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/configuring-code-scanning#using-queries-in-ql-packs
        # queries: security-extended,security-and-quality
        queries: security-and-quality

    # Command-line programs to run using the OS shell.
    # See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun

    #   If the Autobuild fails above, remove it and uncomment the following three lines.
    #   modify them (or add more) to build your code if your project, please refer to the EXAMPLE below for guidance.

    - run: |
        ./.github/scripts/codeql_buildscript.sh
    - name: Perform CodeQL Analysis
      uses: github/codeql-action/analyze@v3.28.10
      with:
        category: "/language:${{matrix.language}}"
        upload: false
      id: step1

    # Filter out rules with low severity or high false positve rate
    # Also filter out warnings in third-party code
    - name: Filter out unwanted errors and warnings
      uses: advanced-security/filter-sarif@v1
      with:
        patterns: |
          -**:cpp/path-injection
          -**:cpp/world-writable-file-creation
          -**:cpp/poorly-documented-function
          -**:cpp/potentially-dangerous-function
          -**:cpp/use-of-goto
          -**:cpp/integer-multiplication-cast-to-long
          -**:cpp/comparison-with-wider-type
          -**:cpp/leap-year/*
          -**:cpp/ambiguously-signed-bit-field
          -**:cpp/suspicious-pointer-scaling
          -**:cpp/suspicious-pointer-scaling-void
          -**:cpp/unsigned-comparison-zero
          -**/cmake*/Modules/**
        input: ${{ steps.step1.outputs.sarif-output }}/cpp.sarif
        output: ${{ steps.step1.outputs.sarif-output }}/cpp.sarif

    - name: Upload CodeQL results to code scanning
      uses: github/codeql-action/upload-sarif@v3.28.10
      with:
        sarif_file: ${{ steps.step1.outputs.sarif-output }}
        category: "/language:${{matrix.language}}"

    - name: Upload CodeQL results as an artifact
      if: success() || failure()
      uses: actions/upload-artifact@v4.6.1
      with:
        name: codeql-results
        path: ${{ steps.step1.outputs.sarif-output }}
        retention-days: 10

    - name: Fail if an error is found
      run: |
        ./.github/scripts/codeql_fail_on_error.py \
          ${{ steps.step1.outputs.sarif-output }}/cpp.sarif
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        GITHUB_REPOSITORY: ${{ github.repository }}
