lego/cli_handlers.go
2015-10-23 10:23:06 +02:00

209 lines
5.7 KiB
Go

package main
import (
"bufio"
"encoding/json"
"io/ioutil"
"os"
"path"
"strings"
"github.com/codegangsta/cli"
"github.com/xenolf/lego/acme"
)
func checkFolder(path string) error {
if _, err := os.Stat(path); os.IsNotExist(err) {
return os.MkdirAll(path, 0700)
}
return nil
}
func setup(c *cli.Context) (*Configuration, *Account, *acme.Client) {
err := checkFolder(c.GlobalString("path"))
if err != nil {
logger().Fatalf("Cound not check/create path: %v", err)
}
conf := NewConfiguration(c)
if !c.GlobalIsSet("email") {
logger().Fatal("You have to pass an account (email address) to the program using --email or -m")
}
//TODO: move to account struct? Currently MUST pass email.
acc := NewAccount(c.GlobalString("email"), conf)
return conf, acc, acme.NewClient(c.GlobalString("server"), acc, conf.RsaBits(), conf.OptPort(), c.GlobalBool("devMode"))
}
func saveCertRes(certRes acme.CertificateResource, conf *Configuration) {
// We store the certificate, private key and metadata in different files
// as web servers would not be able to work with a combined file.
certOut := path.Join(conf.CertPath(), certRes.Domain+".crt")
privOut := path.Join(conf.CertPath(), certRes.Domain+".key")
metaOut := path.Join(conf.CertPath(), certRes.Domain+".json")
err := ioutil.WriteFile(certOut, certRes.Certificate, 0600)
if err != nil {
logger().Printf("Unable to save Certificate for domain %s\n\t%v", certRes.Domain, err)
}
err = ioutil.WriteFile(privOut, certRes.PrivateKey, 0600)
if err != nil {
logger().Printf("Unable to save PrivateKey for domain %s\n\t%v", certRes.Domain, err)
}
jsonBytes, err := json.MarshalIndent(certRes, "", "\t")
if err != nil {
logger().Printf("Unable to marshal CertResource for domain %s\n\t%v", certRes.Domain, err)
}
err = ioutil.WriteFile(metaOut, jsonBytes, 0600)
if err != nil {
logger().Printf("Unable to save CertResource for domain %s\n\t%v", certRes.Domain, err)
}
}
func run(c *cli.Context) {
conf, acc, client := setup(c)
if acc.Registration == nil {
reg, err := client.Register()
if err != nil {
logger().Fatalf("Could not complete registration\n\t%v", err)
}
acc.Registration = reg
acc.Save()
logger().Print("!!!! HEADS UP !!!!")
logger().Printf(`
Your account credentials have been saved in your Let's Encrypt
configuration directory at "%s".
You should make a secure backup of this folder now. This
configuration directory will also contain certificates and
private keys obtained from Let's Encrypt so making regular
backups of this folder is ideal.`, conf.AccountPath(c.GlobalString("email")))
}
if acc.Registration.Body.Agreement == "" {
reader := bufio.NewReader(os.Stdin)
logger().Printf("Please review the TOS at %s", acc.Registration.TosURL)
for {
logger().Println("Do you accept the TOS? Y/n")
text, err := reader.ReadString('\n')
if err != nil {
logger().Fatalf("Could not read from console -> %v", err)
}
text = strings.Trim(text, "\r\n")
if text == "n" {
logger().Fatal("You did not accept the TOS. Unable to proceed.")
}
if text == "Y" || text == "y" || text == "" {
err = client.AgreeToTOS()
if err != nil {
logger().Fatalf("Could not agree to tos -> %v", err)
}
acc.Save()
break
}
logger().Println("Your input was invalid. Please answer with one of Y/y, n or by pressing enter.")
}
}
if !c.GlobalIsSet("domains") {
logger().Fatal("Please specify --domains")
}
certs, err := client.ObtainCertificates(c.GlobalStringSlice("domains"))
if err != nil {
logger().Fatalf("Could not obtain certificates\n\t%v", err)
}
err = checkFolder(conf.CertPath())
if err != nil {
logger().Fatalf("Cound not check/create path: %v", err)
}
for _, certRes := range certs {
saveCertRes(certRes, conf)
}
}
func revoke(c *cli.Context) {
conf, _, client := setup(c)
err := checkFolder(conf.CertPath())
if err != nil {
logger().Fatalf("Cound not check/create path: %v", err)
}
for _, domain := range c.GlobalStringSlice("domains") {
logger().Printf("Trying to revoke certificate for domain %s", domain)
certPath := path.Join(conf.CertPath(), domain+".crt")
certBytes, err := ioutil.ReadFile(certPath)
err = client.RevokeCertificate(certBytes)
if err != nil {
logger().Printf("Error while revoking the certificate for domain %s\n\t%v", domain, err)
} else {
logger().Print("Certificate was revoked.")
}
}
}
func renew(c *cli.Context) {
conf, _, client := setup(c)
for _, domain := range c.GlobalStringSlice("domains") {
// load the cert resource from files.
// We store the certificate, private key and metadata in different files
// as web servers would not be able to work with a combined file.
certPath := path.Join(conf.CertPath(), domain+".crt")
privPath := path.Join(conf.CertPath(), domain+".key")
metaPath := path.Join(conf.CertPath(), domain+".json")
certBytes, err := ioutil.ReadFile(certPath)
if err != nil {
logger().Printf("Error while loading the certificate for domain %s\n\t%v", domain, err)
return
}
keyBytes, err := ioutil.ReadFile(privPath)
if err != nil {
logger().Printf("Error while loading the private key for domain %s\n\t%v", domain, err)
return
}
metaBytes, err := ioutil.ReadFile(metaPath)
if err != nil {
logger().Printf("Error while loading the meta data for domain %s\n\t%v", domain, err)
return
}
var certRes acme.CertificateResource
err = json.Unmarshal(metaBytes, &certRes)
if err != nil {
logger().Printf("Error while marshalling the meta data for domain %s\n\t%v", domain, err)
return
}
certRes.PrivateKey = keyBytes
certRes.Certificate = certBytes
newCert, err := client.RenewCertificate(certRes, true)
if err != nil {
logger().Printf("%v", err)
return
}
saveCertRes(newCert, conf)
}
}