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adapt.go
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adapt.go
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package keyvault
import (
"time"
defsecTypes "github.com/aquasecurity/defsec/pkg/types"
"github.com/aquasecurity/defsec/pkg/terraform"
"github.com/aquasecurity/defsec/pkg/providers/azure/keyvault"
)
func Adapt(modules terraform.Modules) keyvault.KeyVault {
adapter := adapter{
vaultSecretIDs: modules.GetChildResourceIDMapByType("azurerm_key_vault_secret"),
vaultKeyIDs: modules.GetChildResourceIDMapByType("azurerm_key_vault_key"),
}
return keyvault.KeyVault{
Vaults: adapter.adaptVaults(modules),
}
}
type adapter struct {
vaultSecretIDs terraform.ResourceIDResolutions
vaultKeyIDs terraform.ResourceIDResolutions
}
func (a *adapter) adaptVaults(modules terraform.Modules) []keyvault.Vault {
var vaults []keyvault.Vault
for _, module := range modules {
for _, resource := range module.GetResourcesByType("azurerm_key_vault") {
vaults = append(vaults, a.adaptVault(resource, module))
}
}
orphanResources := modules.GetResourceByIDs(a.vaultSecretIDs.Orphans()...)
if len(orphanResources) > 0 {
orphanage := keyvault.Vault{
Metadata: defsecTypes.NewUnmanagedMetadata(),
Secrets: nil,
Keys: nil,
EnablePurgeProtection: defsecTypes.BoolDefault(false, defsecTypes.NewUnmanagedMetadata()),
SoftDeleteRetentionDays: defsecTypes.IntDefault(0, defsecTypes.NewUnmanagedMetadata()),
NetworkACLs: keyvault.NetworkACLs{
Metadata: defsecTypes.NewUnmanagedMetadata(),
DefaultAction: defsecTypes.StringDefault("", defsecTypes.NewUnmanagedMetadata()),
},
}
for _, secretResource := range orphanResources {
orphanage.Secrets = append(orphanage.Secrets, adaptSecret(secretResource))
}
vaults = append(vaults, orphanage)
}
orphanResources = modules.GetResourceByIDs(a.vaultKeyIDs.Orphans()...)
if len(orphanResources) > 0 {
orphanage := keyvault.Vault{
Metadata: defsecTypes.NewUnmanagedMetadata(),
Secrets: nil,
Keys: nil,
EnablePurgeProtection: defsecTypes.BoolDefault(false, defsecTypes.NewUnmanagedMetadata()),
SoftDeleteRetentionDays: defsecTypes.IntDefault(0, defsecTypes.NewUnmanagedMetadata()),
NetworkACLs: keyvault.NetworkACLs{
Metadata: defsecTypes.NewUnmanagedMetadata(),
DefaultAction: defsecTypes.StringDefault("", defsecTypes.NewUnmanagedMetadata()),
},
}
for _, secretResource := range orphanResources {
orphanage.Keys = append(orphanage.Keys, adaptKey(secretResource))
}
vaults = append(vaults, orphanage)
}
return vaults
}
func (a *adapter) adaptVault(resource *terraform.Block, module *terraform.Module) keyvault.Vault {
var keys []keyvault.Key
var secrets []keyvault.Secret
defaultActionVal := defsecTypes.StringDefault("", resource.GetMetadata())
secretBlocks := module.GetReferencingResources(resource, "azurerm_key_vault_secret", "key_vault_id")
for _, secretBlock := range secretBlocks {
a.vaultSecretIDs.Resolve(secretBlock.ID())
secrets = append(secrets, adaptSecret(secretBlock))
}
keyBlocks := module.GetReferencingResources(resource, "azurerm_key_vault_key", "key_vault_id")
for _, keyBlock := range keyBlocks {
a.vaultKeyIDs.Resolve(keyBlock.ID())
keys = append(keys, adaptKey(keyBlock))
}
purgeProtectionAttr := resource.GetAttribute("purge_protection_enabled")
purgeProtectionVal := purgeProtectionAttr.AsBoolValueOrDefault(false, resource)
softDeleteRetentionDaysAttr := resource.GetAttribute("soft_delete_retention_days")
softDeleteRetentionDaysVal := softDeleteRetentionDaysAttr.AsIntValueOrDefault(0, resource)
aclMetadata := defsecTypes.NewUnmanagedMetadata()
if aclBlock := resource.GetBlock("network_acls"); aclBlock.IsNotNil() {
aclMetadata = aclBlock.GetMetadata()
defaultActionAttr := aclBlock.GetAttribute("default_action")
defaultActionVal = defaultActionAttr.AsStringValueOrDefault("", resource.GetBlock("network_acls"))
}
return keyvault.Vault{
Metadata: resource.GetMetadata(),
Secrets: secrets,
Keys: keys,
EnablePurgeProtection: purgeProtectionVal,
SoftDeleteRetentionDays: softDeleteRetentionDaysVal,
NetworkACLs: keyvault.NetworkACLs{
Metadata: aclMetadata,
DefaultAction: defaultActionVal,
},
}
}
func adaptSecret(resource *terraform.Block) keyvault.Secret {
contentTypeAttr := resource.GetAttribute("content_type")
contentTypeVal := contentTypeAttr.AsStringValueOrDefault("", resource)
return keyvault.Secret{
Metadata: resource.GetMetadata(),
ContentType: contentTypeVal,
ExpiryDate: resolveExpiryDate(resource),
}
}
func adaptKey(resource *terraform.Block) keyvault.Key {
return keyvault.Key{
Metadata: resource.GetMetadata(),
ExpiryDate: resolveExpiryDate(resource),
}
}
func resolveExpiryDate(resource *terraform.Block) defsecTypes.TimeValue {
expiryDateAttr := resource.GetAttribute("expiration_date")
expiryDateVal := defsecTypes.TimeDefault(time.Time{}, resource.GetMetadata())
if expiryDateAttr.IsString() {
expiryDateString := expiryDateAttr.Value().AsString()
if expiryDate, err := time.Parse(time.RFC3339, expiryDateString); err == nil {
expiryDateVal = defsecTypes.Time(expiryDate, expiryDateAttr.GetMetadata())
}
} else if expiryDateAttr.IsNotNil() {
expiryDateVal = defsecTypes.TimeUnresolvable(expiryDateAttr.GetMetadata())
}
return expiryDateVal
}