miniflux/server/ui/controller/proxy.go
2017-11-21 18:30:16 -08:00

49 lines
1.1 KiB
Go

// 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"
"github.com/miniflux/miniflux2/helper"
"github.com/miniflux/miniflux2/server/core"
"io/ioutil"
"log"
"net/http"
"time"
)
func (c *Controller) ImageProxy(ctx *core.Context, request *core.Request, response *core.Response) {
encodedURL := request.StringParam("encodedURL", "")
if encodedURL == "" {
response.HTML().BadRequest(errors.New("No URL provided"))
return
}
decodedURL, err := base64.StdEncoding.DecodeString(encodedURL)
if err != nil {
response.HTML().BadRequest(errors.New("Unable to decode this URL"))
return
}
resp, err := http.Get(string(decodedURL))
if err != nil {
log.Println(err)
response.HTML().NotFound()
return
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
response.HTML().NotFound()
return
}
body, _ := ioutil.ReadAll(resp.Body)
etag := helper.HashFromBytes(body)
contentType := resp.Header.Get("Content-Type")
response.Cache(contentType, etag, body, 72*time.Hour)
}