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storage_azure.go
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storage_azure.go
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/*
* Copyright 2021 Fraunhofer AISEC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* $$\ $$\ $$\ $$\
* $$ | $$ |\__| $$ |
* $$$$$$$\ $$ | $$$$$$\ $$\ $$\ $$$$$$$ |$$\ $$$$$$\ $$$$$$\ $$$$$$\
* $$ _____|$$ |$$ __$$\ $$ | $$ |$$ __$$ |$$ |\_$$ _| $$ __$$\ $$ __$$\
* $$ / $$ |$$ / $$ |$$ | $$ |$$ / $$ |$$ | $$ | $$ / $$ |$$ | \__|
* $$ | $$ |$$ | $$ |$$ | $$ |$$ | $$ |$$ | $$ |$$\ $$ | $$ |$$ |
* \$$$$$$\ $$ |\$$$$$ |\$$$$$ |\$$$$$$ |$$ | \$$$ |\$$$$$ |$$ |
* \_______|\__| \______/ \______/ \_______|\__| \____/ \______/ \__|
*
* This file is part of Clouditor Community Edition.
*/
package azure
import (
"context"
"clouditor.io/clouditor/api/discovery"
"clouditor.io/clouditor/voc"
"github.com/Azure/azure-sdk-for-go/profiles/2020-09-01/resources/mgmt/subscriptions"
"github.com/Azure/azure-sdk-for-go/services/storage/mgmt/2021-02-01/storage"
"github.com/Azure/go-autorest/autorest/azure/auth"
)
type azureStorageDiscovery struct{}
func NewAzureStorageDiscovery() discovery.Discoverer {
return &azureStorageDiscovery{}
}
func (d *azureStorageDiscovery) Name() string {
return "Azure Storage Account"
}
func (d *azureStorageDiscovery) Description() string {
return "Discovery Azure storage accounts."
}
func (d *azureStorageDiscovery) List() (list []voc.IsResource, err error) {
// create an authorizer from env vars or Azure Managed Service Identity
authorizer, err := auth.NewAuthorizerFromCLI()
if err != nil {
log.Errorf("Could not authenticate to Azure: %s", err)
return
}
subClient := subscriptions.NewClient()
subClient.Authorizer = authorizer
// get first subcription
page, _ := subClient.List(context.Background())
sub := page.Values()[0]
log.Infof("Using %s as subscription", *sub.SubscriptionID)
client := storage.NewAccountsClient(*sub.SubscriptionID)
client.Authorizer = authorizer
ctx := context.Background()
result, _ := client.List(ctx)
for _, v := range result.Values() {
s := handleStorageAccount(v)
log.Infof("Adding storage account %+v", s)
list = append(list, s)
}
return
}
func handleStorageAccount(account storage.Account) voc.IsStorage {
return &voc.ObjectStorageResource{StorageResource: voc.StorageResource{
Resource: voc.Resource{
ID: *account.ID,
Name: *account.Name,
CreationTime: account.CreationTime.Unix(),
},
AtRestEncryption: voc.NewAtRestEncryption(
*account.Encryption.Services.Blob.Enabled,
"AES-265", // seems to be always AES-256
string(account.Encryption.KeySource),
)},
HttpEndpoint: &voc.HttpEndpoint{
URL: *account.PrimaryEndpoints.Blob,
TransportEncryption: voc.NewTransportEncryption(
true, // cannot be disabled
*account.EnableHTTPSTrafficOnly,
string(account.MinimumTLSVersion),
),
},
}
}