issue: fixed #755 (#758)

Signed-off-by: Vishal Rana <vr@labstack.com>

echo.go

@@ -52,8 +52,8 @@ import (
 
 	"github.com/labstack/gommon/color"
 	glog "github.com/labstack/gommon/log"
-	"github.com/rsc/letsencrypt"
 	"github.com/tylerb/graceful"
+	"golang.org/x/crypto/acme/autocert"
 )
 
 type (
@@ -64,12 +64,12 @@ type (
 		HTTPErrorHandler
 		Binder          Binder
 		Renderer        Renderer
+		AutoTLSManager  autocert.Manager
 		ShutdownTimeout time.Duration
 		Color           *color.Color
 		Logger          Logger
 		server          *graceful.Server
 		tlsServer       *graceful.Server
-		tlsManager      letsencrypt.Manager
 		premiddleware   []MiddlewareFunc
 		middleware      []MiddlewareFunc
 		maxParam        *int
@@ -236,6 +236,9 @@ var (
 // New creates an instance of Echo.
 func New() (e *Echo) {
 	e = &Echo{
+		AutoTLSManager: autocert.Manager{
+			Prompt: autocert.AcceptTOS,
+		},
 		ShutdownTimeout: 15 * time.Second,
 		Logger:          glog.New("echo"),
 		maxParam:        new(int),
@@ -520,13 +523,9 @@ func (e *Echo) StartTLS(address string, certFile, keyFile string) (err error) {
 }
 
 // StartAutoTLS starts the HTTPS server using certificates automatically from https://letsencrypt.org.
-func (e *Echo) StartAutoTLS(address string, hosts []string, cacheFile string) (err error) {
+func (e *Echo) StartAutoTLS(address string) error {
 	config := new(tls.Config)
-	config.GetCertificate = e.tlsManager.GetCertificate
+	config.GetCertificate = e.AutoTLSManager.GetCertificate
-	e.tlsManager.SetHosts(hosts) // Added security
-	if err = e.tlsManager.CacheFile(cacheFile); err != nil {
-		return
-	}
 	return e.startTLS(address, config)
 }
 

glide.lock

@@ -1,65 +1,54 @@
-hash: d63c27ff06a540317f63f231ada71f3d03f1c09e79a2c47b29b43c654903fc8b
+hash: c3a41d26c94d8101a2aeaea5bc438cb75c5e9b7bd80850c7ec806c00c535d1c7
-updated: 2016-11-21T19:12:16.622618752-08:00
+updated: 2016-12-02T08:49:24.85691-08:00
 imports:
 - name: github.com/daaku/go.zipexe
   version: a5fe2436ffcb3236e175e5149162b41cd28bd27d
 - name: github.com/dgrijalva/jwt-go
-  version: 24c63f56522a87ec5339cc3567883f1039378fdb
+  version: 9ed569b5d1ac936e6494082958d63a6aa4fff99a
 - name: github.com/GeertJohan/go.rice
   version: 9fdfd46f9806a9228aae341d65ab75c5235c383c
   subpackages:
   - embedded
 - name: github.com/golang/protobuf
-  version: 98fa357170587e470c5f27d3c3ea0947b71eb455
+  version: 8ee79997227bf9b34611aee7946ae64735e6fd93
   subpackages:
   - proto
 - name: github.com/gorilla/websocket
-  version: 0b847f2facc24ec406130a05bb1bb72d41993b05
+  version: e8f0f8aaa98dfb6586cbdf2978d511e3199a960a
 - name: github.com/kardianos/osext
   version: c2c54e542fb797ad986b31721e1baedf214ca413
 - name: github.com/labstack/gommon
-  version: 2d272df536d051e737aea353b86c979d6e88bce0
+  version: 447fe7433567c785af957e549aadae2bf2000071
   subpackages:
   - bytes
   - color
   - log
   - random
 - name: github.com/mattn/go-colorable
-  version: 6c903ff4aa50920ca86087a280590b36b3152b9c
+  version: d228849504861217f796da67fae4f6e347643f15
 - name: github.com/mattn/go-isatty
-  version: 66b8e73f3f5cda9f96b69efd03dd3d7fc4a5cdb8
+  version: 30a891c33c7cde7b02a981314b4228ec99380cca
-- name: github.com/miekg/dns
-  version: 58f52c57ce9df13460ac68200cef30a008b9c468
-- name: github.com/rsc/letsencrypt
-  version: 76104d26167d38b6a0010f42bfc8ec5487742e8b
 - name: github.com/tylerb/graceful
-  version: 50a48b6e73fcc75b45e22c05b79629a67c79e938
+  version: 4df1190835320af7076dfcf27b3d071fd3612caf
 - name: github.com/valyala/fasttemplate
   version: 3b874956e03f1636d171bda64b130f9135f42cff
-- name: github.com/xenolf/lego
+- name: golang.org/x/crypto
-  version: 4bb8bea031eb805f361c04ca222f266b9e7feced
+  version: 8a549a1948fc5271eb24f36dcb0d3b47dec75a16
   subpackages:
   - acme
-- name: golang.org/x/crypto
+  - acme/autocert
-  version: ca7e7f10cb9fd9c1a6ff7f60436c086d73714180
-  subpackages:
-  - ocsp
 - name: golang.org/x/net
-  version: 65dfc08770ce66f74becfdff5f8ab01caef4e946
+  version: 97edce0b2e423f6a8debb459af47f4a3cb4ff954
   subpackages:
   - context
-  - publicsuffix
+  - context/ctxhttp
   - websocket
 - name: golang.org/x/sys
-  version: c200b10b5d5e122be351b67af224adc6128af5bf
+  version: ca83bd2cb9abb47839b50eb4da612f00158f5870
   subpackages:
   - unix
-- name: golang.org/x/time
-  version: 711ca1cb87636abec28122ef3bc6a77269d433f3
-  subpackages:
-  - rate
 - name: google.golang.org/appengine
-  version: 5b8c3b819891014a2d12354528f7d046dd53c89e
+  version: ca59ef35f409df61fa4a5f8290ff289b37eccfb8
   subpackages:
   - internal
   - internal/app_identity
@@ -68,14 +57,9 @@ imports:
   - internal/log
   - internal/modules
   - internal/remote_api
-- name: gopkg.in/square/go-jose.v1
-  version: aa2e30fdd1fe9dd3394119af66451ae790d50e0d
-  subpackages:
-  - cipher
-  - json
 testImports:
 - name: github.com/davecgh/go-spew
-  version: 6d212800a42e8ab5c146b8ace3490ee17e5225f9
+  version: 04cdfd42973bb9c8589fd6a731800cf222fde1a9
   subpackages:
   - spew
 - name: github.com/pmezard/go-difflib
@@ -83,6 +67,6 @@ testImports:
   subpackages:
   - difflib
 - name: github.com/stretchr/testify
-  version: 976c720a22c8eb4eb6a0b4348ad85ad12491a506
+  version: 18a02ba4a312f95da08ff4cfc0055750ce50ae9e
   subpackages:
   - assert

glide.yaml

@@ -10,9 +10,11 @@ import:
   - log
   - random
 - package: github.com/mattn/go-isatty
-- package: github.com/rsc/letsencrypt
 - package: github.com/tylerb/graceful
 - package: github.com/valyala/fasttemplate
+- package: golang.org/x/crypto
+  subpackages:
+  - acme/autocert
 - package: golang.org/x/net
   subpackages:
   - websocket

recipe/auto-tls/server.go

@@ -9,6 +9,7 @@ import (
 
 func main() {
 	e := echo.New()
+	// e.AutoTLSManager.HostPolicy = autocert.HostWhitelist("<your_domain>")
 	e.Use(middleware.Recover())
 	e.Use(middleware.Logger())
 	e.GET("/", func(c echo.Context) error {
@@ -17,5 +18,5 @@ func main() {
 			<h3>TLS certificates automatically installed from Let's Encrypt :)</h3>
 		`)
 	})
-	e.StartAutoTLS(":443", []string{"<your_domain>"}, "le.cache")
+	e.StartAutoTLS(":443")
 }

website/content/recipes/auto-tls.md

@@ -8,13 +8,14 @@ description = "Automatic TLS certificates from Let's Encrypt example for Echo"
 +++
 
 This recipe shows how to obtain TLS certificates for a domain automatically from
-Let's Encrypt. `Echo#StartAutoTLS` accepts address which should listen on port `443`,
+Let's Encrypt. `Echo#StartAutoTLS` accepts an address which should listen on port `443`.
-list of host names for security and a file path to cache the certificates. 
 
-Browse to https://<your_domain>. If everything goes fine, you should see a welcome
+Browse to `https://<your_domain>`. If everything goes fine, you should see a welcome
 message with TLS enabled on the website.
 
-> To redirect HTTP traffic to HTTPS, you can use [redirect middleware](/middleware/redirect#https-redirect)
+> 
+- For added security you should specify host policy in auto TLS manage
+- To redirect HTTP traffic to HTTPS, you can use [redirect middleware](/middleware/redirect#https-redirect)
 
 ## Server