Refactor packages to have more idiomatic code base

server/ui/controller/proxy.go

@@ -1,56 +0,0 @@
-// Copyright 2017 Frédéric Guillot. All rights reserved.
-// Use of this source code is governed by the Apache 2.0
-// license that can be found in the LICENSE file.
-
-package controller
-
-import (
-	"encoding/base64"
-	"errors"
-	"io/ioutil"
-	"time"
-
-	"github.com/miniflux/miniflux/crypto"
-	"github.com/miniflux/miniflux/http"
-	"github.com/miniflux/miniflux/logger"
-	"github.com/miniflux/miniflux/server/core"
-)
-
-// ImageProxy fetch an image from a remote server and sent it back to the browser.
-func (c *Controller) ImageProxy(ctx *core.Context, request *core.Request, response *core.Response) {
-	// If we receive a "If-None-Match" header we assume the image in stored in browser cache
-	if request.Request().Header.Get("If-None-Match") != "" {
-		response.NotModified()
-		return
-	}
-
-	encodedURL := request.StringParam("encodedURL", "")
-	if encodedURL == "" {
-		response.HTML().BadRequest(errors.New("No URL provided"))
-		return
-	}
-
-	decodedURL, err := base64.URLEncoding.DecodeString(encodedURL)
-	if err != nil {
-		response.HTML().BadRequest(errors.New("Unable to decode this URL"))
-		return
-	}
-
-	client := http.NewClient(string(decodedURL))
-	resp, err := client.Get()
-	if err != nil {
-		logger.Error("[Controller:ImageProxy] %v", err)
-		response.HTML().NotFound()
-		return
-	}
-
-	if resp.HasServerFailure() {
-		response.HTML().NotFound()
-		return
-	}
-
-	body, _ := ioutil.ReadAll(resp.Body)
-	etag := crypto.HashFromBytes(body)
-
-	response.Cache(resp.ContentType, etag, body, 72*time.Hour)
-}