azure-appservice-backup-not-enabled: Azure App Service Automated Backup Not Configured

id: azure-appservice-backup-not-enabled
info:
  name: Azure App Service Automated Backup Not Configured
  author: princechaddha
  severity: medium
  description: |
    Ensure that Backup and Restore feature is enabled and configured to create custom backups for your Microsoft Azure App Service applications.
  impact: |
    If Automated Backups are not enabled and configured, it may lead to potential data loss and non-compliance with regulatory requirements.
  remediation: |
    Enable and configure the Backup and Restore feature for Azure App Services applications through the Azure portal or Azure CLI to ensure compliance and data integrity.
  reference:
    - https://docs.microsoft.com/en-us/azure/app-service/manage-backup
  tags: cloud,devops,azure,microsoft,appservice,azure-cloud-config

flow: |
  code(1);
  for (let AppServiceData of iterate(template.appServiceList)) {
    AppServiceData = JSON.parse(AppServiceData);
    set("name", AppServiceData.name);
    set("resourceGroup", AppServiceData.resourceGroup);
    code(2);
  }

self-contained: true
code:
  - engine:
      - sh
      - bash
    source: |
      az webapp list --output json --query '[*].{name:name, resourceGroup:resourceGroup}'

    extractors:
      - type: json
        name: appServiceList
        internal: true
        json:
          - '.[]'

  - engine:
      - sh
      - bash
    source: |
      az webapp config backup show --webapp-name $name --resource-group $resourceGroup --output json

    matchers:
      - type: word
        part: stderr
        words:
          - "Backup configuration not found"

    extractors:
      - type: dsl
        dsl:
          - 'name + " in " + resourceGroup + " does not have automated backups enabled"'
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