Golang Action.ValidFrom方法代码示例

func main() {

	var Usage = func() {
		fmt.Fprintf(os.Stderr,
			"Mozilla InvestiGator Action Generator\n"+
				"usage: %s -k=<key id> (-i <input file)\n\n"+
				"Command line to generate and sign MIG Actions.\n"+
				"The resulting actions are display on stdout.\n\n"+
				"Options:\n",
			os.Args[0])
		flag.PrintDefaults()
	}

	// command line options
	var key = flag.String("k", "key identifier", "Key identifier used to sign the action (ex: B75C2346)")
	var pretty = flag.Bool("p", false, "Print signed action in pretty JSON format")
	var urlencode = flag.Bool("urlencode", false, "URL Encode marshalled JSON before output")
	var posturl = flag.String("posturl", "", "POST action to <url> (enforces urlencode)")
	var file = flag.String("i", "/path/to/file", "Load action from file")
	var validfrom = flag.String("validfrom", "now", "(optional) set an ISO8601 date the action will be valid from. If unset, use 'now'.")
	var expireafter = flag.String("expireafter", "30m", "(optional) set a validity duration for the action. If unset, use '30m'.")
	flag.Parse()

	// We need a key, if none is set on the command line, fail
	if *key == "key identifier" {
		Usage()
		os.Exit(-1)
	}

	var a mig.Action
	var err error

	// if a file is defined, load action from that
	if *file != "/path/to/file" {
		a, err = mig.ActionFromFile(*file)
	} else {
		// otherwise, use interactive mode
		a, err = getActionFromTerminal()
	}
	if err != nil {
		panic(err)
	}

	// set the dates
	if *validfrom == "now" {
		a.ValidFrom = time.Now().UTC()
	} else {
		a.ValidFrom, err = time.Parse("2014-01-01T00:00:00.0Z", *validfrom)
		if err != nil {
			panic(err)
		}
	}
	period, err := time.ParseDuration(*expireafter)
	if err != nil {
		log.Fatal(err)
	}
	a.ExpireAfter = a.ValidFrom.Add(period)

	// compute the signature
	str, err := a.String()
	if err != nil {
		panic(err)
	}
	a.PGPSignature, err = sign.Sign(str, *key)
	if err != nil {
		panic(err)
	}

	a.PGPSignatureDate = time.Now().UTC()

	var jsonAction []byte
	if *pretty {
		jsonAction, err = json.MarshalIndent(a, "", "\t")
	} else {
		jsonAction, err = json.Marshal(a)
	}
	if err != nil {
		panic(err)
	}

	// if asked, url encode the action before marshaling it
	actionstr := string(jsonAction)
	if *urlencode {
		strJsonAction := string(jsonAction)
		actionstr = url.QueryEscape(strJsonAction)
	}

	if *posturl != "" {
		resp, err := http.PostForm(*posturl, url.Values{"action": {actionstr}})
		if err != nil {
			panic(err)
		}
		var buf [512]byte
		reader := resp.Body
		for {
			n, err := reader.Read(buf[0:])
			if err != nil {
				os.Exit(0)
			}
			fmt.Print(string(buf[0:n]))
//.........这里部分代码省略.........

//.........这里部分代码省略.........
load <path>		load an action from a file at <path>
setname <name>		set the name of the action
settarget <target>	set the target
settimes <start> <stop>	set the validity and expiration dates
sign			PGP sign the action
times			show the various timestamps of the action
`)
		case "json":
			ajson, err := json.MarshalIndent(a, "", "  ")
			if err != nil {
				panic(err)
			}
			fmt.Printf("%s\n", ajson)
		case "launch":
			follow := true
			if len(orders) > 1 {
				if orders[1] == "nofollow" {
					follow = false
				} else {
					fmt.Printf("Unknown option '%s'\n", orders[1])
				}
			}
			if a.Name == "" {
				fmt.Println("Action has no name. Define one using 'setname <name>'")
				break
			}
			if a.Target == "" {
				fmt.Println("Action has no target. Define one using 'settarget <target>'")
				break
			}
			if !hasTimes {
				fmt.Printf("Times are not defined. Setting validity from now until +%s\n", defaultExpiration)
				// for immediate execution, set validity one minute in the past
				a.ValidFrom = time.Now().Add(-60 * time.Second).UTC()
				period, err := time.ParseDuration(defaultExpiration)
				if err != nil {
					panic(err)
				}
				a.ExpireAfter = a.ValidFrom.Add(period)
				a.ExpireAfter = a.ExpireAfter.Add(60 * time.Second).UTC()
				hasTimes = true
			}
			if !hasSignatures {
				pgpsig, err := computeSignature(a, ctx)
				if err != nil {
					panic(err)
				}
				a.PGPSignatures = append(a.PGPSignatures, pgpsig)
				hasSignatures = true
			}
			a, err = postAction(a, follow, ctx)
			if err != nil {
				panic(err)
			}
			fmt.Println("")
			_ = actionReader(fmt.Sprintf("action %.0f", a.ID), ctx)
			goto exit
		case "load":
			if len(orders) != 2 {
				fmt.Println("Wrong arguments. Expects 'load <path_to_file>'")
				break
			}
			a, err = mig.ActionFromFile(orders[1])
			if err != nil {
				panic(err)
			}

//.........这里部分代码省略.........
	fs.SetOutput(os.NewFile(uintptr(87592), os.DevNull))
	err = fs.Parse(os.Args[2:])
	fs.SetOutput(nil)
	if err != nil {
		// ignore the flag not defined error, which is expected because
		// module parameters are defined in modules and not in main
		if len(err.Error()) > 30 && err.Error()[0:29] == "flag provided but not defined" {
			// requeue the parameter that failed
			modargs = append(modargs, err.Error()[31:])
		} else {
			// if it's another error, panic
			panic(err)
		}
	}
	for _, arg := range fs.Args() {
		modargs = append(modargs, arg)
	}
	modRunner = modules.Available[op.Module].Runner()
	if _, ok := modRunner.(modules.HasParamsParser); !ok {
		fmt.Fprintf(os.Stderr, "[error] module '%s' does not support command line invocation\n", op.Module)
		os.Exit(2)
	}
	op.Parameters, err = modRunner.(modules.HasParamsParser).ParamsParser(modargs)
	if err != nil || op.Parameters == nil {
		panic(err)
	}
	a.Operations = append(a.Operations, op)

	for _, arg := range os.Args[1:] {
		a.Name += arg + " "
	}
	a.Target = target

readytolaunch:
	// instanciate an API client
	conf, err = client.ReadConfiguration(migrc)
	if err != nil {
		panic(err)
	}
	cli, err = client.NewClient(conf, "cmd-"+version)
	if err != nil {
		panic(err)
	}

	// set the validity 60 second in the past to deal with clock skew
	a.ValidFrom = time.Now().Add(-60 * time.Second).UTC()
	period, err := time.ParseDuration(expiration)
	if err != nil {
		panic(err)
	}
	a.ExpireAfter = a.ValidFrom.Add(period)
	// add extra 60 seconds taken for clock skew
	a.ExpireAfter = a.ExpireAfter.Add(60 * time.Second).UTC()

	asig, err := cli.SignAction(a)
	if err != nil {
		panic(err)
	}
	a = asig

	// evaluate target before launch, give a change to cancel before going out to agents
	agents, err := cli.EvaluateAgentTarget(a.Target)
	if err != nil {
		panic(err)
	}
	fmt.Fprintf(os.Stderr, "\x1b[33m%d agents will be targeted. ctrl+c to cancel. launching in \x1b[0m", len(agents))
	for i := 5; i > 0; i-- {
		time.Sleep(1 * time.Second)
		fmt.Fprintf(os.Stderr, "\x1b[33m%d\x1b[0m ", i)
	}
	fmt.Fprintf(os.Stderr, "\x1b[33mGO\n\x1b[0m")

	// launch and follow
	a, err = cli.PostAction(a)
	if err != nil {
		panic(err)
	}
	c := make(chan os.Signal, 1)
	done := make(chan bool, 1)
	signal.Notify(c, os.Interrupt)
	go func() {
		err = cli.FollowAction(a)
		if err != nil {
			panic(err)
		}
		done <- true
	}()
	select {
	case <-c:
		fmt.Fprintf(os.Stderr, "stop following action. agents may still be running. printing available results:\n")
		goto printresults
	case <-done:
		goto printresults
	}
printresults:
	err = cli.PrintActionResults(a, show, render)
	if err != nil {
		panic(err)
	}
}