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adapt.go
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adapt.go
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package sqs
import (
iamp "github.com/aquasecurity/defsec/pkg/providers/aws/iam"
"github.com/aquasecurity/defsec/pkg/providers/aws/sqs"
"github.com/aquasecurity/defsec/pkg/terraform"
defsecTypes "github.com/aquasecurity/defsec/pkg/types"
"github.com/khulnasoft-lab/vul-iac/internal/adapters/terraform/aws/iam"
"github.com/liamg/iamgo"
"github.com/google/uuid"
)
func Adapt(modules terraform.Modules) sqs.SQS {
return sqs.SQS{
Queues: (&adapter{
modules: modules,
queues: make(map[string]sqs.Queue),
}).adaptQueues(),
}
}
type adapter struct {
modules terraform.Modules
queues map[string]sqs.Queue
}
func (a *adapter) adaptQueues() []sqs.Queue {
for _, resource := range a.modules.GetResourcesByType("aws_sqs_queue") {
a.adaptQueue(resource)
}
for _, policyBlock := range a.modules.GetResourcesByType("aws_sqs_queue_policy") {
policy := iamp.Policy{
Metadata: policyBlock.GetMetadata(),
Name: defsecTypes.StringDefault("", policyBlock.GetMetadata()),
Document: iamp.Document{
Metadata: policyBlock.GetMetadata(),
},
Builtin: defsecTypes.Bool(false, policyBlock.GetMetadata()),
}
if attr := policyBlock.GetAttribute("policy"); attr.IsString() {
dataBlock, err := a.modules.GetBlockById(attr.Value().AsString())
if err != nil {
parsed, err := iamgo.ParseString(attr.Value().AsString())
if err != nil {
continue
}
policy.Document.Parsed = *parsed
policy.Document.Metadata = attr.GetMetadata()
} else if dataBlock.Type() == "data" && dataBlock.TypeLabel() == "aws_iam_policy_document" {
if doc, err := iam.ConvertTerraformDocument(a.modules, dataBlock); err == nil {
policy.Document.Parsed = doc.Document
policy.Document.Metadata = doc.Source.GetMetadata()
policy.Document.IsOffset = true
}
}
} else if refBlock, err := a.modules.GetReferencedBlock(attr, policyBlock); err == nil {
if refBlock.Type() == "data" && refBlock.TypeLabel() == "aws_iam_policy_document" {
if doc, err := iam.ConvertTerraformDocument(a.modules, refBlock); err == nil {
policy.Document.Parsed = doc.Document
policy.Document.Metadata = doc.Source.GetMetadata()
}
}
}
if urlAttr := policyBlock.GetAttribute("queue_url"); urlAttr.IsNotNil() {
if refBlock, err := a.modules.GetReferencedBlock(urlAttr, policyBlock); err == nil {
if queue, ok := a.queues[refBlock.ID()]; ok {
queue.Policies = append(queue.Policies, policy)
a.queues[refBlock.ID()] = queue
continue
}
}
}
a.queues[uuid.NewString()] = sqs.Queue{
Metadata: defsecTypes.NewUnmanagedMetadata(),
QueueURL: defsecTypes.StringDefault("", defsecTypes.NewUnmanagedMetadata()),
Encryption: sqs.Encryption{
Metadata: defsecTypes.NewUnmanagedMetadata(),
ManagedEncryption: defsecTypes.BoolDefault(false, defsecTypes.NewUnmanagedMetadata()),
KMSKeyID: defsecTypes.StringDefault("", defsecTypes.NewUnmanagedMetadata()),
},
Policies: []iamp.Policy{policy},
}
}
var queues []sqs.Queue
for _, queue := range a.queues {
queues = append(queues, queue)
}
return queues
}
func (a *adapter) adaptQueue(resource *terraform.Block) {
kmsKeyIdAttr := resource.GetAttribute("kms_master_key_id")
kmsKeyIdVal := kmsKeyIdAttr.AsStringValueOrDefault("", resource)
managedEncryption := resource.GetAttribute("sqs_managed_sse_enabled")
var policies []iamp.Policy
if attr := resource.GetAttribute("policy"); attr.IsString() {
dataBlock, err := a.modules.GetBlockById(attr.Value().AsString())
if err != nil {
policy := iamp.Policy{
Metadata: attr.GetMetadata(),
Name: defsecTypes.StringDefault("", attr.GetMetadata()),
Document: iamp.Document{
Metadata: attr.GetMetadata(),
},
Builtin: defsecTypes.Bool(false, attr.GetMetadata()),
}
parsed, err := iamgo.ParseString(attr.Value().AsString())
if err == nil {
policy.Document.Parsed = *parsed
policy.Document.Metadata = attr.GetMetadata()
policy.Metadata = attr.GetMetadata()
policies = append(policies, policy)
}
} else if dataBlock.Type() == "data" && dataBlock.TypeLabel() == "aws_iam_policy_document" {
if doc, err := iam.ConvertTerraformDocument(a.modules, dataBlock); err == nil {
policy := iamp.Policy{
Metadata: attr.GetMetadata(),
Name: defsecTypes.StringDefault("", attr.GetMetadata()),
Document: iamp.Document{
Metadata: doc.Source.GetMetadata(),
Parsed: doc.Document,
IsOffset: true,
HasRefs: false,
},
Builtin: defsecTypes.Bool(false, attr.GetMetadata()),
}
policies = append(policies, policy)
}
}
} else if refBlock, err := a.modules.GetReferencedBlock(attr, resource); err == nil {
if refBlock.Type() == "data" && refBlock.TypeLabel() == "aws_iam_policy_document" {
if doc, err := iam.ConvertTerraformDocument(a.modules, refBlock); err == nil {
policy := iamp.Policy{
Metadata: doc.Source.GetMetadata(),
Name: defsecTypes.StringDefault("", doc.Source.GetMetadata()),
Document: iamp.Document{
Metadata: doc.Source.GetMetadata(),
Parsed: doc.Document,
},
Builtin: defsecTypes.Bool(false, refBlock.GetMetadata()),
}
policies = append(policies, policy)
}
}
}
a.queues[resource.ID()] = sqs.Queue{
Metadata: resource.GetMetadata(),
QueueURL: defsecTypes.StringDefault("", resource.GetMetadata()),
Encryption: sqs.Encryption{
Metadata: resource.GetMetadata(),
ManagedEncryption: managedEncryption.AsBoolValueOrDefault(false, resource),
KMSKeyID: kmsKeyIdVal,
},
Policies: policies,
}
}