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path: root/cmd/acme/main.go
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package main

import (
	"flag"
	"log"
	"os"
	"runtime/trace"

	"dim13.org/acme"
)

var (
	confName = flag.String("conf", "acme.toml", "configuration file")
	tracing  = flag.String("trace", "", "trace output")
)

func prepare(conf *Config) error {
	var err error

	for k, acc := range conf.Account {
		log.Println("LoadAccount", k)
		acc.Account, err = acme.LoadAccount(acc.Key)
		if err != nil {
			log.Println("NewAccount", k)
			acc.Account, err = acme.NewAccount(acc.KeySize)
			if err != nil {
				return err
			}
			if err := acc.Account.Save(acc.Key); err != nil {
				return err
			}
		}
		acc.Contacts.AddMail(acc.Mail)
		acc.Contacts.AddPhone(acc.Phone)
		conf.Account[k] = acc
	}

	for k, des := range conf.Desire {
		log.Println("NewDesire", k)
		des.Desire, err = acme.NewDesire(des.Altnames, des.KeySize)
		if err != nil {
			return err
		}
		conf.Desire[k] = des
	}

	for k, pro := range conf.Provider {
		log.Println("DialProvider", k)
		pro.Provider, err = acme.DialProvider(pro.Directory)
		if err != nil {
			return err
		}
		conf.Provider[k] = pro
	}

	return nil
}

func satisfice(des *desire) error {
	if !des.account.registered {
		log.Println("register acc")
		if err := des.provider.Register(des.account, des.account.Contacts); err != nil {
			return err
		}
		des.account.registered = true
	}

	if err := des.provider.Authorize(des.account, des.Desire); err != nil {
		return err
	}

	if err := des.provider.Bundle(des.account, des.Desire); err != nil {
		return err
	}

	if err := des.Save(des.Cert, des.Key); err != nil {
		return err
	}

	return nil
}

func main() {
	flag.Parse()
	if *tracing != "" {
		f, err := os.Create(*tracing)
		if err != nil {
			log.Fatal(err)
		}
		trace.Start(f)
		defer trace.Stop()
	}

	conf, err := LoadConfig(*confName)
	if err != nil {
		log.Fatal(err)
	}

	var httpSol, tlsSol acme.Solver
	if conf.Defaults.Listen != "" {
		httpSol, err = acme.NewHTTPSolver(conf.Defaults.Listen)
		if err != nil {
			log.Println(err)
		}
	}
	if conf.Defaults.ListenTLS != "" {
		tlsSol, err = acme.NewTLSSolver(conf.Defaults.ListenTLS)
		if err != nil {
			log.Println(err)
		}
	}
	if err := prepare(conf); err != nil {
		log.Fatal(err)
	}

	for k, des := range conf.Desire {
		if des.Webroot != "" {
			wrSol := acme.NewWebrootSolver(des.Webroot)
			des.RegisterSolver(acme.ChallengeHTTP, wrSol)
		} else if httpSol != nil {
			des.RegisterSolver(acme.ChallengeHTTP, httpSol)
		}
		if tlsSol != nil {
			des.RegisterSolver(acme.ChallengeTLS, tlsSol)
		}
		if !des.HasSolver() {
			log.Fatal("no Solver available")
		}

		log.Println("satisfice", k)
		if err := satisfice(des); err != nil {
			log.Fatal(err)
		}
	}
}