traefik/pkg/middlewares/grpcweb/grpcweb.go
2022-11-21 18:36:05 +01:00

26 lines
741 B
Go

package grpcweb
import (
"context"
"net/http"
"github.com/improbable-eng/grpc-web/go/grpcweb"
"github.com/traefik/traefik/v2/pkg/config/dynamic"
"github.com/traefik/traefik/v2/pkg/middlewares"
)
const typeName = "grpc-web"
// New builds a new gRPC web request converter.
func New(ctx context.Context, next http.Handler, config dynamic.GrpcWeb, name string) http.Handler {
middlewares.GetLogger(ctx, name, typeName).Debug().Msg("Creating middleware")
return grpcweb.WrapHandler(next, grpcweb.WithCorsForRegisteredEndpointsOnly(false), grpcweb.WithOriginFunc(func(origin string) bool {
for _, originCfg := range config.AllowOrigins {
if originCfg == "*" || originCfg == origin {
return true
}
}
return false
}))
}