Add initial support for choosing to still connect when the server uses a self-signed cert and verify_vertificates is turned on

client/src/js/modules/socket.js

@@ -1,6 +1,7 @@
 import { socketAction } from 'state/actions';
 import { setConnected } from 'state/app';
 import { broadcast, inform, print, addMessage, addMessages } from 'state/messages';
+import { reconnect } from 'state/servers';
 import { select } from 'state/tab';
 import { normalizeChannel } from 'util';
 
@@ -98,6 +99,15 @@ export default function handleSocket({ socket, store: { dispatch, getState } })
       dispatch(addMessage(message, tab.server, tab.name));
     },
 
+    connection_update({ server, errorType }) {
+      if (errorType === 'verify' &&
+        confirm('The server is using a self-signed certificate, continue anyway?')) {
+        dispatch(reconnect(server, {
+          skipVerify: true
+        }));
+      }
+    },
+
     _connected(connected) {
       dispatch(setConnected(connected));
     }

client/src/js/state/actions.js

@@ -28,6 +28,7 @@ export const TOGGLE_SEARCH = 'TOGGLE_SEARCH';
 export const AWAY = 'AWAY';
 export const CONNECT = 'CONNECT';
 export const DISCONNECT = 'DISCONNECT';
+export const RECONNECT = 'RECONNECT';
 export const SET_NICK = 'SET_NICK';
 export const SET_SERVER_NAME = 'SET_SERVER_NAME';
 export const WHOIS = 'WHOIS';

client/src/js/state/servers.js

@@ -150,6 +150,21 @@ export function disconnect(server) {
   };
 }
 
+export function reconnect(server, settings) {
+  return {
+    type: actions.RECONNECT,
+    server,
+    settings,
+    socket: {
+      type: 'reconnect',
+      data: {
+        ...settings,
+        server
+      }
+    }
+  };
+}
+
 export function whois(user, server) {
   return {
     type: actions.WHOIS,

irc/conn.go

@@ -3,6 +3,7 @@ package irc
 import (
 	"bufio"
 	"crypto/tls"
+	"crypto/x509"
 	"errors"
 	"fmt"
 	"net"
@@ -33,6 +34,10 @@ func (c *Client) Connect(address string) {
 	go c.run()
 }
 
+func (c *Client) Reconnect() {
+	close(c.reconnect)
+}
+
 func (c *Client) Write(data string) {
 	c.out <- data + "\r\n"
 }
@@ -64,8 +69,9 @@ func (c *Client) run() {
 			return
 
 		case <-c.reconnect:
-			c.disconnect()
-			c.connChange(false, nil)
+			if c.Connected() {
+				c.disconnect()
+			}
 
 			c.sendRecv.Wait()
 			c.reconnect = make(chan struct{})
@@ -107,6 +113,9 @@ func (c *Client) tryConnect() {
 		err := c.connect()
 		if err != nil {
 			c.connChange(false, err)
+			if _, ok := err.(x509.UnknownAuthorityError); ok {
+				return
+			}
 		} else {
 			c.backoff.Reset()
 
@@ -181,7 +190,8 @@ func (c *Client) recv() {
 				return
 
 			default:
-				close(c.reconnect)
+				c.connChange(false, nil)
+				c.Reconnect()
 				return
 			}
 		}

server/json.go

@@ -1,6 +1,7 @@
 package server
 
 import (
+	"crypto/x509"
 	"encoding/json"
 
 	"github.com/khlieng/dispatch/irc"
@@ -27,10 +28,16 @@ type ServerName struct {
 	Name   string `json:"name"`
 }
 
+type ReconnectSettings struct {
+	Server     string `json:"server"`
+	SkipVerify bool   `json:"skipVerify"`
+}
+
 type ConnectionUpdate struct {
 	Server    string `json:"server"`
 	Connected bool   `json:"connected"`
 	Error     string `json:"error,omitempty"`
+	ErrorType string `json:"errorType,omitempty"`
 }
 
 func newConnectionUpdate(server string, state irc.ConnectionState) ConnectionUpdate {
@@ -40,6 +47,9 @@ func newConnectionUpdate(server string, state irc.ConnectionState) ConnectionUpd
 	}
 	if state.Error != nil {
 		status.Error = state.Error.Error()
+		if _, ok := state.Error.(x509.UnknownAuthorityError); ok {
+			status.ErrorType = "verify"
+		}
 	}
 	return status
 }

server/websocket_handler.go

@@ -95,6 +95,18 @@ func (h *wsHandler) connect(b []byte) {
 	}
 }
 
+func (h *wsHandler) reconnect(b []byte) {
+	var data ReconnectSettings
+	json.Unmarshal(b, &data)
+
+	if i, ok := h.session.getIRC(data.Server); ok && !i.Connected() {
+		if i.TLS {
+			i.TLSConfig.InsecureSkipVerify = data.SkipVerify
+		}
+		i.Reconnect()
+	}
+}
+
 func (h *wsHandler) join(b []byte) {
 	var data Join
 	json.Unmarshal(b, &data)
@@ -252,6 +264,7 @@ func (h *wsHandler) setServerName(b []byte) {
 func (h *wsHandler) initHandlers() {
 	h.handlers = map[string]func([]byte){
 		"connect":         h.connect,
+		"reconnect":       h.reconnect,
 		"join":            h.join,
 		"part":            h.part,
 		"quit":            h.quit,