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package auth
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License. See License.txt in the project root for license information.
import (
"os"
"github.com/Azure/go-autorest/autorest"
"github.com/Azure/go-autorest/autorest/azure"
"github.com/Azure/go-autorest/autorest/azure/auth"
)
// NewAuthorizerFromEnvironment creates a keyvault dataplane Authorizer configured from environment variables in the order:
// 1. Client credentials
// 2. Client certificate
// 3. Username password
// 4. MSI
func NewAuthorizerFromEnvironment() (autorest.Authorizer, error) {
res, err := getResource()
if err != nil {
return nil, err
}
return auth.NewAuthorizerFromEnvironmentWithResource(res)
}
// NewAuthorizerFromFile creates a keyvault dataplane Authorizer configured from a configuration file.
// The path to the configuration file must be specified in the AZURE_AUTH_LOCATION environment variable.
func NewAuthorizerFromFile() (autorest.Authorizer, error) {
res, err := getResource()
if err != nil {
return nil, err
}
return auth.NewAuthorizerFromFileWithResource(res)
}
// NewAuthorizerFromCLI creates a keyvault dataplane Authorizer configured from Azure CLI 2.0 for local development scenarios.
func NewAuthorizerFromCLI() (autorest.Authorizer, error) {
res, err := getResource()
if err != nil {
return nil, err
}
return auth.NewAuthorizerFromCLIWithResource(res)
}
func getResource() (string, error) {
var env azure.Environment
if envName := os.Getenv("AZURE_ENVIRONMENT"); envName == "" {
env = azure.PublicCloud
} else {
var err error
env, err = azure.EnvironmentFromName(envName)
if err != nil {
return "", err
}
}
resource := os.Getenv("AZURE_KEYVAULT_RESOURCE")
if resource == "" {
resource = env.ResourceIdentifiers.KeyVault
}
return resource, nil
}
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