From 8f91c777559748fa6e857d9fc1f4ae079a532813 Mon Sep 17 00:00:00 2001
From: Christopher Speller <crspeller@gmail.com>
Date: Mon, 3 Oct 2016 16:03:15 -0400
Subject: Adding ability to serve TLS directly from Mattermost server (#4119)

---
 .../xenolf/lego/providers/http/webroot/webroot.go  | 58 ++++++++++++++++++++++
 .../lego/providers/http/webroot/webroot_test.go    | 46 +++++++++++++++++
 2 files changed, 104 insertions(+)
 create mode 100644 vendor/github.com/xenolf/lego/providers/http/webroot/webroot.go
 create mode 100644 vendor/github.com/xenolf/lego/providers/http/webroot/webroot_test.go

(limited to 'vendor/github.com/xenolf/lego/providers/http/webroot')

diff --git a/vendor/github.com/xenolf/lego/providers/http/webroot/webroot.go b/vendor/github.com/xenolf/lego/providers/http/webroot/webroot.go
new file mode 100644
index 000000000..4bf211f39
--- /dev/null
+++ b/vendor/github.com/xenolf/lego/providers/http/webroot/webroot.go
@@ -0,0 +1,58 @@
+// Package webroot implements a HTTP provider for solving the HTTP-01 challenge using web server's root path.
+package webroot
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path"
+
+	"github.com/xenolf/lego/acme"
+)
+
+// HTTPProvider implements ChallengeProvider for `http-01` challenge
+type HTTPProvider struct {
+	path string
+}
+
+// NewHTTPProvider returns a HTTPProvider instance with a configured webroot path
+func NewHTTPProvider(path string) (*HTTPProvider, error) {
+	if _, err := os.Stat(path); os.IsNotExist(err) {
+		return nil, fmt.Errorf("Webroot path does not exist")
+	}
+
+	c := &HTTPProvider{
+		path: path,
+	}
+
+	return c, nil
+}
+
+// Present makes the token available at `HTTP01ChallengePath(token)` by creating a file in the given webroot path
+func (w *HTTPProvider) Present(domain, token, keyAuth string) error {
+	var err error
+
+	challengeFilePath := path.Join(w.path, acme.HTTP01ChallengePath(token))
+	err = os.MkdirAll(path.Dir(challengeFilePath), 0755)
+	if err != nil {
+		return fmt.Errorf("Could not create required directories in webroot for HTTP challenge -> %v", err)
+	}
+
+	err = ioutil.WriteFile(challengeFilePath, []byte(keyAuth), 0644)
+	if err != nil {
+		return fmt.Errorf("Could not write file in webroot for HTTP challenge -> %v", err)
+	}
+
+	return nil
+}
+
+// CleanUp removes the file created for the challenge
+func (w *HTTPProvider) CleanUp(domain, token, keyAuth string) error {
+	var err error
+	err = os.Remove(path.Join(w.path, acme.HTTP01ChallengePath(token)))
+	if err != nil {
+		return fmt.Errorf("Could not remove file in webroot after HTTP challenge -> %v", err)
+	}
+
+	return nil
+}
diff --git a/vendor/github.com/xenolf/lego/providers/http/webroot/webroot_test.go b/vendor/github.com/xenolf/lego/providers/http/webroot/webroot_test.go
new file mode 100644
index 000000000..99c930ed3
--- /dev/null
+++ b/vendor/github.com/xenolf/lego/providers/http/webroot/webroot_test.go
@@ -0,0 +1,46 @@
+package webroot
+
+import (
+	"io/ioutil"
+	"os"
+	"testing"
+)
+
+func TestHTTPProvider(t *testing.T) {
+	webroot := "webroot"
+	domain := "domain"
+	token := "token"
+	keyAuth := "keyAuth"
+	challengeFilePath := webroot + "/.well-known/acme-challenge/" + token
+
+	os.MkdirAll(webroot+"/.well-known/acme-challenge", 0777)
+	defer os.RemoveAll(webroot)
+
+	provider, err := NewHTTPProvider(webroot)
+	if err != nil {
+		t.Errorf("Webroot provider error: got %v, want nil", err)
+	}
+
+	err = provider.Present(domain, token, keyAuth)
+	if err != nil {
+		t.Errorf("Webroot provider present() error: got %v, want nil", err)
+	}
+
+	if _, err := os.Stat(challengeFilePath); os.IsNotExist(err) {
+		t.Error("Challenge file was not created in webroot")
+	}
+
+	data, err := ioutil.ReadFile(challengeFilePath)
+	if err != nil {
+		t.Errorf("Webroot provider ReadFile() error: got %v, want nil", err)
+	}
+	dataStr := string(data)
+	if dataStr != keyAuth {
+		t.Errorf("Challenge file content: got %q, want %q", dataStr, keyAuth)
+	}
+
+	err = provider.CleanUp(domain, token, keyAuth)
+	if err != nil {
+		t.Errorf("Webroot provider CleanUp() error: got %v, want nil", err)
+	}
+}
-- 
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