First commit

server/core/response.go

@@ -0,0 +1,63 @@
+// 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 core
+
+import (
+	"github.com/miniflux/miniflux2/server/template"
+	"net/http"
+	"time"
+)
+
+type Response struct {
+	writer   http.ResponseWriter
+	request  *http.Request
+	template *template.TemplateEngine
+}
+
+func (r *Response) SetCookie(cookie *http.Cookie) {
+	http.SetCookie(r.writer, cookie)
+}
+
+func (r *Response) Json() *JsonResponse {
+	r.commonHeaders()
+	return &JsonResponse{writer: r.writer, request: r.request}
+}
+
+func (r *Response) Html() *HtmlResponse {
+	r.commonHeaders()
+	return &HtmlResponse{writer: r.writer, request: r.request, template: r.template}
+}
+
+func (r *Response) Xml() *XmlResponse {
+	r.commonHeaders()
+	return &XmlResponse{writer: r.writer, request: r.request}
+}
+
+func (r *Response) Redirect(path string) {
+	http.Redirect(r.writer, r.request, path, http.StatusFound)
+}
+
+func (r *Response) Cache(mime_type, etag string, content []byte, duration time.Duration) {
+	r.writer.Header().Set("Content-Type", mime_type)
+	r.writer.Header().Set("Etag", etag)
+	r.writer.Header().Set("Cache-Control", "public")
+	r.writer.Header().Set("Expires", time.Now().Add(duration).Format(time.RFC1123))
+
+	if etag == r.request.Header.Get("If-None-Match") {
+		r.writer.WriteHeader(http.StatusNotModified)
+	} else {
+		r.writer.Write(content)
+	}
+}
+
+func (r *Response) commonHeaders() {
+	r.writer.Header().Set("X-XSS-Protection", "1; mode=block")
+	r.writer.Header().Set("X-Content-Type-Options", "nosniff")
+	r.writer.Header().Set("X-Frame-Options", "DENY")
+}
+
+func NewResponse(w http.ResponseWriter, r *http.Request, template *template.TemplateEngine) *Response {
+	return &Response{writer: w, request: r, template: template}
+}