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package main
import (
"crypto/tls"
"flag"
"fmt"
"net/http"
"os"
"os/signal"
"strconv"
"syscall"
"time"
"forge.grandlyon.com/apoyen/sdk-go/pkg/middlewares"
"forge.grandlyon.com/apoyen/sdk-go/pkg/tokens"
"forge.grandlyon.com/apoyen/elections/internal/mocks"
"forge.grandlyon.com/apoyen/elections/internal/rootmux"
"forge.grandlyon.com/apoyen/sdk-go/pkg/log"
"golang.org/x/crypto/acme/autocert"
)
var (
letsCacheDir = flag.String("letsencrypt_cache", "./letsencrypt_cache", "let's encrypt cache `directory`")
logFile = flag.String("log_file", "", "Optional file to log to, defaults to no file logging")
httpsPort = flag.Int("https_port", 443, "HTTPS port to serve on (defaults to 443)")
httpPort = flag.Int("http_port", 80, "HTTP port to serve on (defaults to 80), only used to get let's encrypt certificates")
debugMode = flag.Bool("debug", false, "Debug mode, disable let's encrypt, enable CORS and more logging")
)
func main() {
// Parse the flags
flag.Parse()
// Initialize logger
if *logFile != "" {
log.SetFile(*logFile)
// Properly close the log on exit
sigs := make(chan os.Signal, 1)
signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
go func() {
<-sigs
log.Logger.Println("--- Closing log ---")
log.CloseFile()
os.Exit(0)
}()
}
log.Logger.Println("--- Server is starting ---")
fullHostname := middlewares.GetFullHostname(os.Getenv("HOSTNAME"), *httpsPort)
log.Logger.Println("Main hostname is ", fullHostname)
// Initializations
tokens.Init("./configs/tokenskey.json", *debugMode)
// Create the server
rootMux := rootmux.CreateRootMux(*httpsPort, "web")
// Serve locally with https on debug mode or with let's encrypt on production mode
if *debugMode {
// Init the hostname
mocks.Init(*httpsPort)
// Start a mock oauth2 server if debug mode is on
mockOAuth2Port := ":8090"
go http.ListenAndServe(mockOAuth2Port, mocks.CreateMockOAuth2())
fmt.Println("Mock OAuth2 server Listening on: http://localhost" + mockOAuth2Port)
// Start a mock API server if debug mode is on
mockAPIPort := ":8091"
go http.ListenAndServe(mockAPIPort, mocks.CreateMockAPI())
fmt.Println("Mock API server Listening on: http://localhost" + mockAPIPort)
log.Logger.Fatal(http.ListenAndServeTLS(":"+strconv.Itoa(*httpsPort), "./dev_certificates/localhost.crt", "./dev_certificates/localhost.key", log.Middleware(rootMux.Mux)))
} else {
certManager := autocert.Manager{
Prompt: autocert.AcceptTOS,
Cache: autocert.DirCache(*letsCacheDir),
}
server := &http.Server{
Addr: ":" + strconv.Itoa(*httpsPort),
Handler: rootMux.Mux,
TLSConfig: &tls.Config{
GetCertificate: certManager.GetCertificate,
MinVersion: tls.VersionTLS12,
},
ReadTimeout: 30 * time.Minute, // in case of upload
WriteTimeout: 5 * time.Hour, // in case of download
IdleTimeout: 120 * time.Second,
}
go http.ListenAndServe(":"+strconv.Itoa(*httpPort), certManager.HTTPHandler(nil))
server.ListenAndServeTLS("", "")
}
}