Move ImageProxy inside Channels (#18656)

* Move ImageProxy inside Channels

```release-note
NONE
```

* Move back httpService

```release-note
NONE
```

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

app/app.go

@@ -125,10 +125,10 @@ func (a *App) Cloud() einterfaces.CloudInterface {
 	return a.ch.srv.Cloud
 }
 func (a *App) HTTPService() httpservice.HTTPService {
-	return a.ch.httpService
+	return a.ch.srv.httpService
 }
 func (a *App) ImageProxy() *imageproxy.ImageProxy {
-	return a.ch.srv.ImageProxy
+	return a.ch.imageProxy
 }
 func (a *App) Timezones() *timezones.Timezones {
 	return a.ch.srv.timezones

app/channels.go

@@ -3,13 +3,15 @@
 
 package app
 
-import "github.com/mattermost/mattermost-server/v6/services/httpservice"
+import (
+	"github.com/mattermost/mattermost-server/v6/services/imageproxy"
+)
 
 // Channels contains all channels related state.
 type Channels struct {
 	srv *Server
 
-	httpService httpservice.HTTPService
+	imageProxy *imageproxy.ImageProxy
 }
 
 func init() {
@@ -20,8 +22,8 @@ func init() {
 
 func NewChannels(s *Server) (*Channels, error) {
 	return &Channels{
-		srv:         s,
+		srv:        s,
-		httpService: httpservice.MakeHTTPService(s),
+		imageProxy: imageproxy.MakeImageProxy(s, s.httpService, s.Log),
 	}, nil
 }
 
@@ -32,7 +34,3 @@ func (c *Channels) Start() error {
 func (c *Channels) Stop() error {
 	return nil
 }
-
-func (c *Channels) HTTPService() httpservice.HTTPService {
-	return c.httpService
-}

app/post.go

@@ -1408,7 +1408,7 @@ func (a *App) ImageProxyAdder() func(string) string {
 	}
 
 	return func(url string) string {
-		return a.Srv().ImageProxy.GetProxiedImageURL(url)
+		return a.ImageProxy().GetProxiedImageURL(url)
 	}
 }
 
@@ -1418,7 +1418,7 @@ func (a *App) ImageProxyRemover() (f func(string) string) {
 	}
 
 	return func(url string) string {
-		return a.Srv().ImageProxy.GetUnproxiedImageURL(url)
+		return a.ImageProxy().GetUnproxiedImageURL(url)
 	}
 }
 

app/post_metadata_test.go

@@ -647,7 +647,7 @@ func TestPreparePostForClientWithImageProxy(t *testing.T) {
 			*cfg.ImageProxySettings.RemoteImageProxyOptions = "foo"
 		})
 
-		th.Server.ImageProxy = imageproxy.MakeImageProxy(th.Server, th.Server.HTTPService(), th.Server.Log)
+		th.App.ch.imageProxy = imageproxy.MakeImageProxy(th.Server, th.Server.HTTPService(), th.Server.Log)
 
 		return th
 	}

app/post_test.go

@@ -469,7 +469,7 @@ func TestImageProxy(t *testing.T) {
 		*cfg.ServiceSettings.SiteURL = "http://mymattermost.com"
 	})
 
-	th.Server.ImageProxy = imageproxy.MakeImageProxy(th.Server, th.Server.HTTPService(), th.Server.Log)
+	th.App.ch.imageProxy = imageproxy.MakeImageProxy(th.Server, th.Server.HTTPService(), th.Server.Log)
 
 	for name, tc := range map[string]struct {
 		ProxyType              string
@@ -686,7 +686,7 @@ func TestCreatePost(t *testing.T) {
 			*cfg.ImageProxySettings.RemoteImageProxyOptions = "foo"
 		})
 
-		th.Server.ImageProxy = imageproxy.MakeImageProxy(th.Server, th.Server.HTTPService(), th.Server.Log)
+		th.App.ch.imageProxy = imageproxy.MakeImageProxy(th.Server, th.Server.HTTPService(), th.Server.Log)
 
 		imageURL := "http://mydomain.com/myimage"
 		proxiedImageURL := "http://mymattermost.com/api/v4/image?url=http%3A%2F%2Fmydomain.com%2Fmyimage"
@@ -841,7 +841,7 @@ func TestPatchPost(t *testing.T) {
 			*cfg.ImageProxySettings.RemoteImageProxyOptions = "foo"
 		})
 
-		th.Server.ImageProxy = imageproxy.MakeImageProxy(th.Server, th.Server.HTTPService(), th.Server.Log)
+		th.App.ch.imageProxy = imageproxy.MakeImageProxy(th.Server, th.Server.HTTPService(), th.Server.Log)
 
 		imageURL := "http://mydomain.com/myimage"
 		proxiedImageURL := "http://mymattermost.com/api/v4/image?url=http%3A%2F%2Fmydomain.com%2Fmyimage"
@@ -1134,7 +1134,7 @@ func TestUpdatePost(t *testing.T) {
 			*cfg.ImageProxySettings.RemoteImageProxyOptions = "foo"
 		})
 
-		th.Server.ImageProxy = imageproxy.MakeImageProxy(th.Server, th.Server.HTTPService(), th.Server.Log)
+		th.App.ch.imageProxy = imageproxy.MakeImageProxy(th.Server, th.Server.HTTPService(), th.Server.Log)
 
 		imageURL := "http://mydomain.com/myimage"
 		proxiedImageURL := "http://mymattermost.com/api/v4/image?url=http%3A%2F%2Fmydomain.com%2Fmyimage"

app/server.go

@@ -51,7 +51,6 @@ import (
 	"github.com/mattermost/mattermost-server/v6/services/awsmeter"
 	"github.com/mattermost/mattermost-server/v6/services/cache"
 	"github.com/mattermost/mattermost-server/v6/services/httpservice"
-	"github.com/mattermost/mattermost-server/v6/services/imageproxy"
 	"github.com/mattermost/mattermost-server/v6/services/remotecluster"
 	"github.com/mattermost/mattermost-server/v6/services/searchengine"
 	"github.com/mattermost/mattermost-server/v6/services/searchengine/bleveengine"
@@ -118,6 +117,7 @@ type Server struct {
 	hubs     []*Hub
 	hashSeed maphash.Seed
 
+	httpService            httpservice.HTTPService
 	PushNotificationsHub   PushNotificationsHub
 	pushNotificationClient *http.Client // TODO: move this to it's own package
 
@@ -164,8 +164,6 @@ type Server struct {
 
 	phase2PermissionsMigrationComplete bool
 
-	ImageProxy *imageproxy.ImageProxy
-
 	Audit            *audit.Audit
 	Log              *mlog.Logger
 	NotificationsLog *mlog.Logger
@@ -267,6 +265,8 @@ func NewServer(options ...Option) (*Server, error) {
 	// This is called after initLogging() to avoid a race condition.
 	mlog.Info("Server is initializing...", mlog.String("go_version", runtime.Version()))
 
+	s.httpService = httpservice.MakeHTTPService(s)
+
 	// Initialize products
 	for name, initializer := range products {
 		prod, err := initializer(s)
@@ -314,9 +314,7 @@ func NewServer(options ...Option) (*Server, error) {
 		s.tracer = tracer
 	}
 
-	s.pushNotificationClient = s.Channels().HTTPService().MakeClient(true)
+	s.pushNotificationClient = s.httpService.MakeClient(true)
-
-	s.ImageProxy = imageproxy.MakeImageProxy(s, s.HTTPService(), s.Log)
 
 	if err := utils.TranslationsPreInit(); err != nil {
 		return nil, errors.Wrapf(err, "unable to load Mattermost translation files")
@@ -1975,7 +1973,7 @@ func (s *Server) TelemetryId() string {
 }
 
 func (s *Server) HTTPService() httpservice.HTTPService {
-	return s.Channels().HTTPService()
+	return s.httpService
 }
 
 func (s *Server) SetLog(l *mlog.Logger) {