From df70a4461f594f3899c3434dea61dc76334fd739 Mon Sep 17 00:00:00 2001
From: Michael Telatynski <7t3chguy@gmail.com>
Date: Wed, 7 Jun 2017 14:09:49 +0100
Subject: [PATCH] add `GET /_matrix/client/r0/voip/turnServer`

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
---
 client.go    | 8 ++++++++
 responses.go | 7 +++++++
 2 files changed, 15 insertions(+)

diff --git a/client.go b/client.go
index 051c1f8..6f2a7ea 100644
--- a/client.go
+++ b/client.go
@@ -652,6 +652,14 @@ func (cli *Client) Messages(roomID, from, to string, dir rune, limit int) (resp
 	return
 }
 
+// TurnServer returns turn server details and credentials for the client to use when initiating calls.
+// See http://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-r0-voip-turnserver
+func (cli *Client) TurnServer() (resp *RespTurnServer, err error) {
+	urlPath := cli.BuildURL("voip", "turnServer")
+	_, err = cli.MakeRequest("GET", urlPath, nil, &resp)
+	return
+}
+
 func txnID() string {
 	return "go" + strconv.FormatInt(time.Now().UnixNano(), 10)
 }
diff --git a/responses.go b/responses.go
index 58191bc..1b9b066 100644
--- a/responses.go
+++ b/responses.go
@@ -162,3 +162,10 @@ type RespSync struct {
 		} `json:"invite"`
 	} `json:"rooms"`
 }
+
+type RespTurnServer struct {
+	Username string   `json:"username"`
+	Password string   `json:"password"`
+	TTL      int      `json:"ttl"`
+	URIs     []string `json:"uris"`
+}