From d0fb3509ccbedc7ac9ff011aeb07a07fc926fe71 Mon Sep 17 00:00:00 2001
From: James Houlahan <james.houlahan@proton.ch>
Date: Mon, 24 Oct 2022 16:12:37 +0200
Subject: [PATCH] Other: Make user-agent implementation threadsafe

---
 internal/useragent/useragent.go | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/internal/useragent/useragent.go b/internal/useragent/useragent.go
index 17f0f184..4949e871 100644
--- a/internal/useragent/useragent.go
+++ b/internal/useragent/useragent.go
@@ -21,10 +21,13 @@ import (
 	"fmt"
 	"regexp"
 	"runtime"
+	"sync"
 )
 
 type UserAgent struct {
 	client, platform string
+
+	lock sync.RWMutex
 }
 
 func New() *UserAgent {
@@ -35,18 +38,30 @@ func New() *UserAgent {
 }
 
 func (ua *UserAgent) SetClient(name, version string) {
+	ua.lock.Lock()
+	defer ua.lock.Unlock()
+
 	ua.client = fmt.Sprintf("%v/%v", name, regexp.MustCompile(`(.*) \((.*)\)`).ReplaceAllString(version, "$1-$2"))
 }
 
 func (ua *UserAgent) HasClient() bool {
+	ua.lock.RLock()
+	defer ua.lock.RUnlock()
+
 	return ua.client != ""
 }
 
 func (ua *UserAgent) SetPlatform(platform string) {
+	ua.lock.Lock()
+	defer ua.lock.Unlock()
+
 	ua.platform = platform
 }
 
 func (ua *UserAgent) GetUserAgent() string {
+	ua.lock.RLock()
+	defer ua.lock.RUnlock()
+
 	var client string
 
 	if ua.client != "" {