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package authz
import (
"context"
"crypto/x509"
"net"
authzed "github.com/authzed/authzed-go/v1"
"github.com/authzed/grpcutil"
"gitlab.com/gitlab-org/software-supply-chain-security/authorization/authzd.git/pkg/pls"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/credentials/insecure"
)
func NewClient(ctx context.Context, host string, token string) (*authzed.Client, error) {
tokenOption := grpcutil.WithInsecureBearerToken(token)
if isTLS(ctx, host) {
tokenOption = grpcutil.WithBearerToken(token)
}
return authzed.NewClient(
host,
grpc.WithTransportCredentials(credentialsFor(ctx, host)),
tokenOption,
)
}
func credentialsFor(ctx context.Context, host string) credentials.TransportCredentials {
if isTLS(ctx, host) {
pool, err := x509.SystemCertPool()
if err != nil {
pls.LogErrorNow(ctx, err)
return insecure.NewCredentials()
}
return credentials.NewClientTLSFromCert(pool, "")
}
return insecure.NewCredentials()
}
func isTLS(ctx context.Context, host string) bool {
if host == "" {
return false
}
_, port, err := net.SplitHostPort(host)
if err != nil {
pls.LogError(ctx, err)
return false
}
return port == "443"
}
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