/
caller_provider.go
52 lines (45 loc) · 1.94 KB
/
caller_provider.go
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package selfregmanager
import (
"fmt"
authpkg "github.com/kyma-incubator/compass/components/director/pkg/auth"
"github.com/kyma-incubator/compass/components/director/pkg/config"
"github.com/kyma-incubator/compass/components/director/pkg/oauth"
"github.com/kyma-incubator/compass/components/director/pkg/securehttp"
"github.com/pkg/errors"
)
// CallerProvider is used to provide ExternalSvcCaller to call external services with given authentication
type CallerProvider struct{}
// GetCaller provides ExternalSvcCaller to call external services with given authentication
func (c *CallerProvider) GetCaller(config config.SelfRegConfig, region string) (ExternalSvcCaller, error) {
instanceConfig, exists := config.RegionToInstanceConfig[region]
if !exists {
return nil, errors.Errorf("missing configuration for region: %s", region)
}
var credentials authpkg.Credentials
if config.OAuthMode == oauth.Standard {
credentials = &authpkg.OAuthCredentials{
ClientID: instanceConfig.ClientID,
ClientSecret: instanceConfig.ClientSecret,
TokenURL: instanceConfig.URL + config.OauthTokenPath,
}
} else if config.OAuthMode == oauth.Mtls {
mtlsCredentials, err := authpkg.NewOAuthMtlsCredentials(instanceConfig.ClientID, instanceConfig.Cert, instanceConfig.Key, instanceConfig.TokenURL, config.OauthTokenPath, config.ExternalClientCertSecretName)
if err != nil {
return nil, errors.Wrap(err, "while creating OAuth Mtls credentials")
}
credentials = mtlsCredentials
} else {
return nil, errors.New(fmt.Sprintf("unsupported OAuth mode: %s", config.OAuthMode))
}
callerConfig := securehttp.CallerConfig{
Credentials: credentials,
ClientTimeout: config.ClientTimeout,
SkipSSLValidation: config.SkipSSLValidation,
ExternalClientCertSecretName: config.ExternalClientCertSecretName,
}
caller, err := securehttp.NewCaller(callerConfig)
if err != nil {
return nil, err
}
return caller, nil
}