79 lines
1.9 KiB
Go
79 lines
1.9 KiB
Go
package main
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import (
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"context"
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"crypto/tls"
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"flag"
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"fmt"
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"log"
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"net/http"
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"os"
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"os/signal"
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"strconv"
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)
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func main() {
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os.Exit(main_body())
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}
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func main_body() int {
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var conf_file string
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// Parse args and read config
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flag.StringVar(&conf_file, "c", "", "Path to config file")
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flag.Parse()
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if conf_file == "" {
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_, err := os.Stat("/etc/shizaru.conf")
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if !os.IsNotExist(err) {
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conf_file = "/etc/shizaru.conf"
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}
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}
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config, err := getConfig(conf_file)
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if err != nil {
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fmt.Println("Error reading config file " + conf_file)
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return 1
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}
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// Open logfile
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logfile, err := os.OpenFile(config.LogPath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
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if err != nil {
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fmt.Println("Error opening log file " + config.LogPath + ".")
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return 2
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}
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defer logfile.Close()
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errs := make(chan error, 2)
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// Start the HTTP server, which redirect all incoming connections to HTTPS
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http.HandleFunc("/", LoggingWrapper(logfile, GetHandler(config)))
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http_server := &http.Server{Addr: ":"+strconv.Itoa(config.HttpPort), Handler: http.HandlerFunc(GetRedirectTLSHandler(config))}
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go func() {
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errs <- http_server.ListenAndServe()
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}()
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tlscfg := &tls.Config{
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MinVersion: tls.VersionTLS10,
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}
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// Start the HTTPS server which actually handles most traffic.
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https_server := &http.Server{Addr: ":"+strconv.Itoa(config.HttpsPort), Handler: nil, TLSConfig: tlscfg}
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go func() {
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errs <- https_server.ListenAndServeTLS(config.CertPath, config.KeyPath)
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}()
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fmt.Println("Listening on ports " + strconv.Itoa(config.HttpPort) + " and " + strconv.Itoa(config.HttpsPort) + "...")
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// Listen for signals to gracefully shutdown
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stop := make(chan os.Signal, 1)
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signal.Notify(stop, os.Interrupt)
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// Wait for a signal or an error
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select {
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case <-stop:
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fmt.Println("Shutting down!")
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http_server.Shutdown(context.Background())
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https_server.Shutdown(context.Background())
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case err := <-errs:
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log.Println("Fatal: " + err.Error())
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}
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return 0
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}
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