Remove path scoping for middleware slice

It was implemented for almost a year but we'll probably never use it, especially since we'll match more than the path in the future.

caddy/config.go

@@ -11,7 +11,6 @@ import (
 	"github.com/mholt/caddy/caddy/https"
 	"github.com/mholt/caddy/caddy/parse"
 	"github.com/mholt/caddy/caddy/setup"
-	"github.com/mholt/caddy/middleware"
 	"github.com/mholt/caddy/server"
 )
 
@@ -55,7 +54,6 @@ func loadConfigsUpToIncludingTLS(filename string, input io.Reader) ([]server.Con
 				Port:       addr.Port,
 				Scheme:     addr.Scheme,
 				Root:       Root,
-				Middleware: make(map[string][]middleware.Middleware),
 				ConfigFile: filename,
 				AppName:    AppName,
 				AppVersion: AppVersion,
@@ -89,8 +87,7 @@ func loadConfigsUpToIncludingTLS(filename string, input io.Reader) ([]server.Con
 						return nil, nil, lastDirectiveIndex, err
 					}
 					if midware != nil {
-						// TODO: For now, we only support the default path scope /
-						config.Middleware["/"] = append(config.Middleware["/"], midware)
+						config.Middleware = append(config.Middleware, midware)
 					}
 					storages[dir.name] = controller.ServerBlockStorage // persist for this server block
 				}
@@ -171,8 +168,7 @@ func loadConfigs(filename string, input io.Reader) ([]server.Config, error) {
 						return nil, err
 					}
 					if midware != nil {
-						// TODO: For now, we only support the default path scope /
-						configs[configIndex].Middleware["/"] = append(configs[configIndex].Middleware["/"], midware)
+						configs[configIndex].Middleware = append(configs[configIndex].Middleware, midware)
 					}
 					storages[dir.name] = controller.ServerBlockStorage // persist for this server block
 				}

caddy/https/https.go

@@ -335,9 +335,7 @@ func redirPlaintextHost(cfg server.Config) server.Config {
 		Host:       cfg.Host,
 		BindHost:   cfg.BindHost,
 		Port:       "80",
-		Middleware: map[string][]middleware.Middleware{
-			"/": {redirMidware},
-		},
+		Middleware: []middleware.Middleware{redirMidware},
 	}
 }
 

caddy/https/https_test.go

@@ -87,11 +87,11 @@ func TestRedirPlaintextHost(t *testing.T) {
 	}
 
 	// Make sure redirect handler is set up properly
-	if cfg.Middleware == nil || len(cfg.Middleware["/"]) != 1 {
+	if cfg.Middleware == nil || len(cfg.Middleware) != 1 {
 		t.Fatalf("Redir config middleware not set up properly; got: %#v", cfg.Middleware)
 	}
 
-	handler, ok := cfg.Middleware["/"][0](nil).(redirect.Redirect)
+	handler, ok := cfg.Middleware[0](nil).(redirect.Redirect)
 	if !ok {
 		t.Fatalf("Expected a redirect.Redirect middleware, but got: %#v", handler)
 	}
@@ -116,7 +116,7 @@ func TestRedirPlaintextHost(t *testing.T) {
 	// browsers can infer a default port from scheme, so make sure the port
 	// doesn't get added in explicitly for default ports like 443 for https.
 	cfg = redirPlaintextHost(server.Config{Host: "example.com", Port: "443"})
-	handler, ok = cfg.Middleware["/"][0](nil).(redirect.Redirect)
+	handler, ok = cfg.Middleware[0](nil).(redirect.Redirect)
 	if actual, expected := handler.Rules[0].To, "https://{host}{uri}"; actual != expected {
 		t.Errorf("(Default Port) Expected redirect rule to be to URL '%s' but is actually to '%s'", expected, actual)
 	}

server/config.go

@@ -26,8 +26,8 @@ type Config struct {
 	// HTTPS configuration
 	TLS TLSConfig
 
-	// Middleware stack; map of path scope to middleware -- TODO: Support path scope?
-	Middleware map[string][]middleware.Middleware
+	// Middleware stack
+	Middleware []middleware.Middleware
 
 	// Startup is a list of functions (or methods) to execute at
 	// server startup and restart; these are executed before any

server/virtualhost.go

@@ -21,13 +21,7 @@ type virtualHost struct {
 // ListenAndServe begins.
 func (vh *virtualHost) buildStack() error {
 	vh.fileServer = middleware.FileServer(http.Dir(vh.config.Root), []string{vh.config.ConfigFile})
-
-	// TODO: We only compile middleware for the "/" scope.
-	// Partial support for multiple location contexts already
-	// exists at the parser and config levels, but until full
-	// support is implemented, this is all we do right here.
-	vh.compile(vh.config.Middleware["/"])
-
+	vh.compile(vh.config.Middleware)
 	return nil
 }