func main() {
var (
logfilename string
logw reopener
pubtktKey string
fedoraAddr string
configFile string
config config
showVersion bool
)
flag.StringVar(&logfilename, "log", "", "name of log file. Defaults to stdout")
flag.StringVar(&pubtktKey, "pubtkt-key", "",
"filename of PEM encoded public key to use for pubtkt authentication")
flag.StringVar(&fedoraAddr, "fedora", "",
"url to use for fedora, includes username and password, if needed")
flag.StringVar(&configFile, "config", "",
"name of config file to use")
flag.StringVar(&pidfilename, "pid", "", "file to store pid of server")
flag.BoolVar(&showVersion, "version", false, "Display the version and exit")
flag.Parse()
if showVersion {
fmt.Printf("disadis version %s\n", Version)
return
}
// the config file stuff was grafted onto the command line options
// this should be made pretty
if configFile != "" {
err := gcfg.ReadFileInto(&config, configFile)
if err != nil {
log.Println(err)
}
logfilename = config.General.Log_filename
fedoraAddr = config.General.Fedora_addr
pubtktKey = config.Pubtkt.Key_file
}
/* first set up the log file */
log.SetFlags(log.Ldate | log.Ltime | log.Lmicroseconds)
logw = newReopener(logfilename)
logw.Reopen()
log.Println("-----Starting Disadis Server", Version)
/* set up signal handlers */
sig := make(chan os.Signal, 5)
signal.Notify(sig, syscall.SIGHUP, syscall.SIGUSR1, syscall.SIGUSR2)
go signalHandler(sig, logw)
/* Now set up the handler chains */
if fedoraAddr == "" {
log.Printf("Error: Fedora address must be set. (--fedora <server addr>)")
os.Exit(1)
}
fedora := fedora.NewRemote(fedoraAddr, "")
ha := auth.NewHydraAuth(fedoraAddr, "")
ha.Admin = config.General.Admin
log.Println("Admin users:", ha.Admin)
switch {
case pubtktKey != "":
log.Printf("Using pubtkt %s", pubtktKey)
ha.CurrentUser = auth.NewPubtktAuthFromKeyFile(pubtktKey)
default:
log.Printf("Warning: No authorization method given.")
}
if len(config.Handler) == 0 {
log.Printf("No Handlers are defined. Exiting.")
return
}
if pidfilename != "" {
writePID(pidfilename)
}
runHandlers(config, fedora, ha)
if pidfilename != "" {
os.Remove(pidfilename)
}
}
// NewHydraAuth makes a new HydraAuth using the given fedoraPath
// and object namespace. The namespace is prefixed to any objects identifiers
// before lookup in Fedora.
func NewHydraAuth(fedoraPath, namespace string) *HydraAuth {
return &HydraAuth{
fedora: fedora.NewRemote(fedoraPath, namespace),
cache: timecache.New(250, 5*time.Minute),
}
}