ekristen/aws-nuke

package resources

import (
    "context"
    "fmt"
    "strings"

    "github.com/aws/aws-sdk-go/service/cloudfront"

    "github.com/ekristen/libnuke/pkg/registry"
    "github.com/ekristen/libnuke/pkg/resource"
    "github.com/ekristen/libnuke/pkg/types"

    "github.com/ekristen/aws-nuke/v3/pkg/nuke"
)

const CloudFrontResponseHeadersPolicyResource = "CloudFrontResponseHeadersPolicy"

func init() {
    registry.Register(&registry.Registration{
        Name:     CloudFrontResponseHeadersPolicyResource,
        Scope:    nuke.Account,
        Resource: &CloudFrontResponseHeadersPolicy{},
        Lister:   &CloudFrontResponseHeadersPolicyLister{},
    })
}

type CloudFrontResponseHeadersPolicyLister struct{}

func (l *CloudFrontResponseHeadersPolicyLister) List(_ context.Context, o interface{}) ([]resource.Resource, error) {
    opts := o.(*nuke.ListerOpts)

    svc := cloudfront.New(opts.Session)
    resources := make([]resource.Resource, 0)
    params := &cloudfront.ListResponseHeadersPoliciesInput{}

    for {
        resp, err := svc.ListResponseHeadersPolicies(params)
        if err != nil {
            return nil, err
        }

        for _, item := range resp.ResponseHeadersPolicyList.Items {
            resources = append(resources, &CloudFrontResponseHeadersPolicy{
                svc:  svc,
                ID:   item.ResponseHeadersPolicy.Id,
                name: item.ResponseHeadersPolicy.ResponseHeadersPolicyConfig.Name,
            })
        }

        if resp.ResponseHeadersPolicyList.NextMarker == nil {
            break
        }

        params.Marker = resp.ResponseHeadersPolicyList.NextMarker
    }

    return resources, nil
}

type CloudFrontResponseHeadersPolicy struct {
    svc  *cloudfront.CloudFront
    ID   *string
    name *string
}

func (f *CloudFrontResponseHeadersPolicy) Filter() error {
    if strings.HasPrefix(*f.name, "Managed-") {
        return fmt.Errorf("cannot delete default CloudFront Response headers policy")
    }
    return nil
}

func (f *CloudFrontResponseHeadersPolicy) Remove(_ context.Context) error {
    resp, err := f.svc.GetResponseHeadersPolicy(&cloudfront.GetResponseHeadersPolicyInput{
        Id: f.ID,
    })
    if err != nil {
        return err
    }

    _, err = f.svc.DeleteResponseHeadersPolicy(&cloudfront.DeleteResponseHeadersPolicyInput{
        Id:      f.ID,
        IfMatch: resp.ETag,
    })

    return err
}

func (f *CloudFrontResponseHeadersPolicy) String() string {
    return *f.name
}

func (f *CloudFrontResponseHeadersPolicy) Properties() types.Properties {
    properties := types.NewProperties()
    properties.Set("ID", f.ID)
    properties.Set("Name", f.name)
    return properties
}