Files
hetty/cmd/main.go
David Stotijn 28ae2b6efb Add Dockerfile
2020-09-24 22:28:37 +02:00

94 lines
2.5 KiB
Go

package main
import (
"crypto/tls"
"crypto/x509"
"flag"
"log"
"net"
"net/http"
"os"
"strings"
"github.com/dstotijn/hetty/pkg/api"
"github.com/dstotijn/hetty/pkg/proxy"
"github.com/dstotijn/hetty/pkg/reqlog"
"github.com/99designs/gqlgen/graphql/handler"
"github.com/99designs/gqlgen/graphql/playground"
"github.com/gorilla/mux"
)
var (
caCertFile = flag.String("cert", "", "CA certificate file path")
caKeyFile = flag.String("key", "", "CA private key file path")
dev = flag.Bool("dev", false, "Run in development mode")
addr = flag.String("addr", ":80", "TCP address to listen on, in the form \"host:port\"")
adminPath = flag.String("adminPath", "./admin/dist", "File path to admin build")
)
func main() {
flag.Parse()
tlsCA, err := tls.LoadX509KeyPair(*caCertFile, *caKeyFile)
if err != nil {
log.Fatalf("[FATAL] Could not load CA key pair: %v", err)
}
caCert, err := x509.ParseCertificate(tlsCA.Certificate[0])
if err != nil {
log.Fatalf("[FATAL] Could not parse CA: %v", err)
}
reqLogService := reqlog.NewService()
p, err := proxy.NewProxy(caCert, tlsCA.PrivateKey)
if err != nil {
log.Fatalf("[FATAL] Could not create Proxy: %v", err)
}
p.UseRequestModifier(reqLogService.RequestModifier)
p.UseResponseModifier(reqLogService.ResponseModifier)
var adminHandler http.Handler
if !*dev {
if *adminPath == "" {
*adminPath = "./admin/dist"
}
adminHandler = http.FileServer(http.Dir(*adminPath))
}
router := mux.NewRouter().SkipClean(true)
adminRouter := router.MatcherFunc(func(req *http.Request, match *mux.RouteMatch) bool {
hostname, _ := os.Hostname()
host, _, _ := net.SplitHostPort(req.Host)
return strings.EqualFold(host, hostname) || (req.Host == "hetty.proxy" || req.Host == "localhost:8080")
}).Subrouter()
// GraphQL server.
adminRouter.Path("/api/playground").Handler(playground.Handler("GraphQL Playground", "/api/graphql"))
adminRouter.Path("/api/graphql").Handler(handler.NewDefaultServer(api.NewExecutableSchema(api.Config{Resolvers: &api.Resolver{
RequestLogService: &reqLogService,
}})))
// Admin interface.
adminRouter.PathPrefix("").Handler(adminHandler)
// Fallback (default) is the Proxy handler.
router.PathPrefix("").Handler(p)
s := &http.Server{
Addr: *addr,
Handler: router,
TLSNextProto: map[string]func(*http.Server, *tls.Conn, http.Handler){}, // Disable HTTP/2
}
log.Printf("[INFO] Running server on %v ...", *addr)
err = s.ListenAndServe()
if err != nil && err != http.ErrServerClosed {
log.Fatalf("[FATAL] HTTP server closed: %v", err)
}
}