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authentication.go
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authentication.go
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// Copyright 2023 iLogtail Authors
//
// 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.
package pulsar
import "github.com/apache/pulsar-client-go/pulsar"
type Authentication struct {
TLS *TLS
Token *Token
Athenz *Athenz
OAuth2 *OAuth2
}
// TLS is the interface used to configure a tcp client or server from a `Config`
type TLS struct {
// Path to the TLS cert to use for TLS required connections. (optional)
CertFile string
// Path to the TLS key to use for TLS required connections. (optional)
KeyFile string
}
type Token struct {
Token string
}
type Athenz struct {
ProviderDomain string
TenantDomain string
TenantService string
PrivateKey string
KeyID string
PrincipalHeader string
ZtsURL string
}
type OAuth2 struct {
Enabled bool
IssuerURL string
Audience string
PrivateKey string
Scope string
}
func (authentication *Authentication) Auth() pulsar.Authentication {
if authentication.TLS != nil {
return pulsar.NewAuthenticationTLS(authentication.TLS.CertFile, authentication.TLS.KeyFile)
}
if authentication.Token != nil {
return pulsar.NewAuthenticationToken(authentication.Token.Token)
}
if authentication.OAuth2 != nil {
oauth2Map := map[string]string{
"type": "client_credentials",
"issuerUrl": authentication.OAuth2.IssuerURL,
"privateKey": authentication.OAuth2.PrivateKey,
}
if len(authentication.OAuth2.Audience) > 0 {
oauth2Map["audience"] = authentication.OAuth2.Audience
}
if len(authentication.OAuth2.Scope) > 0 {
oauth2Map["scope"] = authentication.OAuth2.Scope
}
return pulsar.NewAuthenticationOAuth2(oauth2Map)
}
if authentication.Athenz != nil {
return pulsar.NewAuthenticationAthenz(map[string]string{
"providerDomain": authentication.Athenz.ProviderDomain,
"tenantDomain": authentication.Athenz.TenantDomain,
"tenantService": authentication.Athenz.TenantService,
"privateKey": authentication.Athenz.PrivateKey,
"keyId": authentication.Athenz.KeyID,
"principalHeader": authentication.Athenz.PrincipalHeader,
"ztsUrl": authentication.Athenz.ZtsURL,
})
}
return nil
}