From 8b6a00d1c58ee505fa1f5515d561eb909cb8063a Mon Sep 17 00:00:00 2001
From: Wim <wim@42.be>
Date: Sun, 25 Oct 2015 01:00:19 +0200
Subject: [PATCH] Add SkipTLSVerify option for mattermost, allows selfsigned
 certificates

---
 README.md                |  3 ++-
 config.go                | 11 ++++++-----
 matterbridge.conf.sample |  1 +
 matterbridge.go          |  9 +++++++--
 matterhook/matterhook.go | 20 ++++++++++++++------
 5 files changed, 30 insertions(+), 14 deletions(-)

diff --git a/README.md b/README.md
index 655d4619..5946908f 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,8 @@ port=9999
 showjoinpart=true #show irc users joining and parting
 #the token you get from the outgoing webhook in mattermost. If empty no token check will be done.
 token=yourtokenfrommattermost
-
+#disable certificate checking (selfsigned certificates)
+#SkipTLSVerify=true
 ```
 
 ### mattermost
diff --git a/config.go b/config.go
index efd6eaf8..e40b0e9a 100644
--- a/config.go
+++ b/config.go
@@ -16,11 +16,12 @@ type Config struct {
 		Channel       string
 	}
 	Mattermost struct {
-		URL          string
-		Port         int
-		ShowJoinPart bool
-		Token        string
-		IconURL      string
+		URL           string
+		Port          int
+		ShowJoinPart  bool
+		Token         string
+		IconURL       string
+		SkipTLSVerify bool
 	}
 }
 
diff --git a/matterbridge.conf.sample b/matterbridge.conf.sample
index 231a3c63..bac921ce 100644
--- a/matterbridge.conf.sample
+++ b/matterbridge.conf.sample
@@ -12,3 +12,4 @@ port=9999
 showjoinpart=true
 #token=yourtokenfrommattermost
 IconURL="http://youricon.png"
+#SkipTLSVerify=true
diff --git a/matterbridge.go b/matterbridge.go
index 94d38954..4a36e80b 100644
--- a/matterbridge.go
+++ b/matterbridge.go
@@ -20,7 +20,8 @@ func NewBridge(name string, config *Config) *Bridge {
 	b := &Bridge{}
 	b.Config = config
 	b.m = matterhook.New(b.Config.Mattermost.URL,
-		matterhook.Config{Port: b.Config.Mattermost.Port, Token: b.Config.Mattermost.Token})
+		matterhook.Config{Port: b.Config.Mattermost.Port, Token: b.Config.Mattermost.Token,
+			InsecureSkipVerify: b.Config.Mattermost.SkipTLSVerify})
 	b.i = b.createIRC(name)
 	go b.handleMatter()
 	return b
@@ -68,7 +69,11 @@ func (b *Bridge) Send(nick string, message string) error {
 	matterMessage := matterhook.OMessage{IconURL: b.Config.Mattermost.IconURL}
 	matterMessage.UserName = nick
 	matterMessage.Text = message
-	b.m.Send(matterMessage)
+	err := b.m.Send(matterMessage)
+	if err != nil {
+		log.Println(err)
+		return err
+	}
 	return nil
 }
 
diff --git a/matterhook/matterhook.go b/matterhook/matterhook.go
index ed062499..1ff1f428 100644
--- a/matterhook/matterhook.go
+++ b/matterhook/matterhook.go
@@ -3,6 +3,7 @@ package matterhook
 
 import (
 	"bytes"
+	"crypto/tls"
 	"encoding/json"
 	"fmt"
 	"github.com/gorilla/schema"
@@ -39,16 +40,18 @@ type IMessage struct {
 
 // Client for Mattermost.
 type Client struct {
-	url string
-	In  chan IMessage
-	Out chan OMessage
+	url        string
+	In         chan IMessage
+	Out        chan OMessage
+	httpclient *http.Client
 	Config
 }
 
 // Config for client.
 type Config struct {
-	Port  int    // Port to listen on.
-	Token string // Only allow this token from Mattermost. (Allow everything when empty)
+	Port               int    // Port to listen on.
+	Token              string // Only allow this token from Mattermost. (Allow everything when empty)
+	InsecureSkipVerify bool   // disable certificate checking
 }
 
 // New Mattermost client.
@@ -57,6 +60,11 @@ func New(url string, config Config) *Client {
 	if c.Port == 0 {
 		c.Port = 9999
 	}
+	tr := &http.Transport{
+		TLSClientConfig: &tls.Config{InsecureSkipVerify: config.InsecureSkipVerify},
+	}
+	c.httpclient = &http.Client{Transport: tr}
+
 	go c.StartServer()
 	return c
 }
@@ -124,7 +132,7 @@ func (c *Client) Send(msg OMessage) error {
 	if err != nil {
 		return err
 	}
-	resp, err := http.Post(c.url, "application/json", bytes.NewReader(buf))
+	resp, err := c.httpclient.Post(c.url, "application/json", bytes.NewReader(buf))
 	if err != nil {
 		return err
 	}