Chore: replace macaron with web package (#40136)

* replace macaron with web package

* add web.go

pkg/api/static/static.go

@@ -26,7 +26,7 @@ import (
 	"sync"
 
 	"github.com/grafana/grafana/pkg/infra/log"
-	"gopkg.in/macaron.v1"
+	"github.com/grafana/grafana/pkg/web"
 )
 
 var Root string
@@ -39,7 +39,7 @@ func init() {
 	}
 }
 
-// StaticOptions is a struct for specifying configuration options for the macaron.Static middleware.
+// StaticOptions is a struct for specifying configuration options for the web.Static middleware.
 type StaticOptions struct {
 	// Prefix is the optional prefix used to serve the static directory content
 	Prefix string
@@ -49,7 +49,7 @@ type StaticOptions struct {
 	IndexFile string
 	// Expires defines which user-defined function to use for producing a HTTP Expires Header
 	// https://developers.google.com/speed/docs/insights/LeverageBrowserCaching
-	AddHeaders func(ctx *macaron.Context)
+	AddHeaders func(ctx *web.Context)
 	// FileSystem is the interface for supporting any implementation of file system.
 	FileSystem http.FileSystem
 }
@@ -115,7 +115,7 @@ func prepareStaticOptions(dir string, options []StaticOptions) StaticOptions {
 	return prepareStaticOption(dir, opt)
 }
 
-func staticHandler(ctx *macaron.Context, log log.Logger, opt StaticOptions) bool {
+func staticHandler(ctx *web.Context, log log.Logger, opt StaticOptions) bool {
 	if ctx.Req.Method != "GET" && ctx.Req.Method != "HEAD" {
 		return false
 	}
@@ -195,11 +195,11 @@ func staticHandler(ctx *macaron.Context, log log.Logger, opt StaticOptions) bool
 }
 
 // Static returns a middleware handler that serves static files in the given directory.
-func Static(directory string, staticOpt ...StaticOptions) macaron.Handler {
+func Static(directory string, staticOpt ...StaticOptions) web.Handler {
 	opt := prepareStaticOptions(directory, staticOpt)
 
 	logger := log.New("static")
-	return func(ctx *macaron.Context) {
+	return func(ctx *web.Context) {
 		staticHandler(ctx, logger, opt)
 	}
 }