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resource_principal_delegation_token_provider.go
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resource_principal_delegation_token_provider.go
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// Copyright (c) 2016, 2018, 2024, Oracle and/or its affiliates. All rights reserved.
// This software is dual-licensed to you under the Universal Permissive License (UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl or Apache License 2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose either license.
package auth
import (
"crypto/rsa"
"fmt"
"github.com/oracle/oci-go-sdk/v65/common"
)
type resourcePrincipalDelegationTokenConfigurationProvider struct {
resourcePrincipalKeyProvider ConfigurationProviderWithClaimAccess
delegationToken string
region *common.Region
}
func (r resourcePrincipalDelegationTokenConfigurationProvider) PrivateRSAKey() (*rsa.PrivateKey, error) {
return r.resourcePrincipalKeyProvider.PrivateRSAKey()
}
func (r resourcePrincipalDelegationTokenConfigurationProvider) KeyID() (string, error) {
return r.resourcePrincipalKeyProvider.KeyID()
}
func (r resourcePrincipalDelegationTokenConfigurationProvider) TenancyOCID() (string, error) {
return r.resourcePrincipalKeyProvider.TenancyOCID()
}
func (r resourcePrincipalDelegationTokenConfigurationProvider) UserOCID() (string, error) {
return "", nil
}
func (r resourcePrincipalDelegationTokenConfigurationProvider) KeyFingerprint() (string, error) {
return "", nil
}
func (r resourcePrincipalDelegationTokenConfigurationProvider) Region() (string, error) {
if r.region == nil {
common.Debugf("Region in resource principal delegation token configuration provider is nil. Returning configuration provider region: %s", r.region)
return r.resourcePrincipalKeyProvider.Region()
}
return string(*r.region), nil
}
func (r resourcePrincipalDelegationTokenConfigurationProvider) AuthType() (common.AuthConfig, error) {
token := r.delegationToken
return common.AuthConfig{AuthType: common.ResourcePrincipalDelegationToken, OboToken: &token}, nil
}
func (r resourcePrincipalDelegationTokenConfigurationProvider) GetClaim(key string) (interface{}, error) {
return r.resourcePrincipalKeyProvider.GetClaim(key)
}
type resourcePrincipalDelegationTokenError struct {
err error
}
func (rpe resourcePrincipalDelegationTokenError) Error() string {
return fmt.Sprintf("%s\nResource principals delegation token authentication can only be used on specific OCI services. Please confirm this code is running on the correct environment", rpe.err.Error())
}
// ResourcePrincipalDelegationTokenConfigurationProvider returns a configuration for obo token resource principals
func ResourcePrincipalDelegationTokenConfigurationProvider(delegationToken *string) (ConfigurationProviderWithClaimAccess, error) {
if delegationToken == nil || len(*delegationToken) == 0 {
return nil, resourcePrincipalDelegationTokenError{err: fmt.Errorf("failed to create a delagationTokenConfigurationProvider: token is a mandatory input parameter")}
}
return newResourcePrincipalDelegationTokenConfigurationProvider(delegationToken, "", nil)
}
// ResourcePrincipalDelegationTokenConfigurationProviderForRegion returns a configuration for obo token resource principals with a given region
func ResourcePrincipalDelegationTokenConfigurationProviderForRegion(delegationToken *string, region common.Region) (ConfigurationProviderWithClaimAccess, error) {
if delegationToken == nil || len(*delegationToken) == 0 {
return nil, resourcePrincipalDelegationTokenError{err: fmt.Errorf("failed to create a delagationTokenConfigurationProvider: token is a mandatory input parameter")}
}
return newResourcePrincipalDelegationTokenConfigurationProvider(delegationToken, region, nil)
}
func newResourcePrincipalDelegationTokenConfigurationProvider(delegationToken *string, region common.Region, modifier func(common.HTTPRequestDispatcher) (common.HTTPRequestDispatcher, error)) (ConfigurationProviderWithClaimAccess, error) {
keyProvider, err := ResourcePrincipalConfigurationProvider()
if err != nil {
return nil, resourcePrincipalDelegationTokenError{err: fmt.Errorf("failed to create a new key provider for resource principal: %s", err.Error())}
}
if len(region) > 0 {
return resourcePrincipalDelegationTokenConfigurationProvider{keyProvider, *delegationToken, ®ion}, err
}
return resourcePrincipalDelegationTokenConfigurationProvider{keyProvider, *delegationToken, nil}, err
}