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auth_provider.go
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/
auth_provider.go
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package auth
import (
"context"
"github.com/fluxcd/go-git/v5/plumbing/transport"
git_url "github.com/kluctl/kluctl/v2/pkg/git/git-url"
"github.com/kluctl/kluctl/v2/pkg/git/messages"
"golang.org/x/crypto/ssh"
)
type AuthMethodAndCA struct {
AuthMethod transport.AuthMethod
CABundle []byte
Hash func() ([]byte, error)
ClientConfig func() (*ssh.ClientConfig, error)
}
type GitAuthProvider interface {
BuildAuth(ctx context.Context, gitUrl git_url.GitUrl) AuthMethodAndCA
}
type GitAuthProviders struct {
authProviders []GitAuthProvider
}
func (a *GitAuthProviders) RegisterAuthProvider(p GitAuthProvider, last bool) {
if last {
a.authProviders = append(a.authProviders, p)
} else {
a.authProviders = append([]GitAuthProvider{p}, a.authProviders...)
}
}
func (a *GitAuthProviders) BuildAuth(ctx context.Context, gitUrl git_url.GitUrl) AuthMethodAndCA {
for _, p := range a.authProviders {
auth := p.BuildAuth(ctx, gitUrl)
if auth.AuthMethod != nil {
return auth
}
}
return AuthMethodAndCA{}
}
func NewDefaultAuthProviders(envPrefix string, messageCallbacks *messages.MessageCallbacks) *GitAuthProviders {
if messageCallbacks == nil {
messageCallbacks = &messages.MessageCallbacks{}
}
a := &GitAuthProviders{}
a.RegisterAuthProvider(&GitEnvAuthProvider{MessageCallbacks: *messageCallbacks, Prefix: envPrefix}, true)
a.RegisterAuthProvider(&GitCredentialsFileAuthProvider{MessageCallbacks: *messageCallbacks}, true)
a.RegisterAuthProvider(&GitSshAuthProvider{MessageCallbacks: *messageCallbacks}, true)
return a
}