mirror of https://github.com/miniflux/v2.git
83 lines
2.4 KiB
Go
83 lines
2.4 KiB
Go
// Copyright 2017 Frédéric Guillot. All rights reserved.
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// Use of this source code is governed by the Apache 2.0
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// license that can be found in the LICENSE file.
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package handler
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import (
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"net/http"
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"time"
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"github.com/miniflux/miniflux/template"
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)
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// Response handles HTTP responses.
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type Response struct {
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writer http.ResponseWriter
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request *http.Request
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template *template.Engine
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}
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// SetCookie send a cookie to the client.
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func (r *Response) SetCookie(cookie *http.Cookie) {
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http.SetCookie(r.writer, cookie)
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}
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// JSON returns a JSONResponse.
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func (r *Response) JSON() *JSONResponse {
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r.commonHeaders()
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return NewJSONResponse(r.writer, r.request)
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}
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// HTML returns a HTMLResponse.
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func (r *Response) HTML() *HTMLResponse {
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r.commonHeaders()
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return &HTMLResponse{writer: r.writer, request: r.request, template: r.template}
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}
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// XML returns a XMLResponse.
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func (r *Response) XML() *XMLResponse {
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r.commonHeaders()
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return &XMLResponse{writer: r.writer, request: r.request}
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}
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// Redirect redirects the user to another location.
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func (r *Response) Redirect(path string) {
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http.Redirect(r.writer, r.request, path, http.StatusFound)
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}
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// NotModified sends a response with a 304 status code.
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func (r *Response) NotModified() {
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r.commonHeaders()
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r.writer.WriteHeader(http.StatusNotModified)
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}
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// Cache returns a response with caching headers.
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func (r *Response) Cache(mimeType, etag string, content []byte, duration time.Duration) {
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r.writer.Header().Set("Content-Type", mimeType)
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r.writer.Header().Set("ETag", etag)
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r.writer.Header().Set("Cache-Control", "public")
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r.writer.Header().Set("Expires", time.Now().Add(duration).Format(time.RFC1123))
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if etag == r.request.Header.Get("If-None-Match") {
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r.writer.WriteHeader(http.StatusNotModified)
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} else {
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r.writer.Write(content)
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}
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}
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func (r *Response) commonHeaders() {
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r.writer.Header().Set("X-XSS-Protection", "1; mode=block")
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r.writer.Header().Set("X-Content-Type-Options", "nosniff")
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r.writer.Header().Set("X-Frame-Options", "DENY")
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// Even if the directive "frame-src" has been deprecated in Firefox,
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// we keep it to stay compatible with other browsers.
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r.writer.Header().Set("Content-Security-Policy", "default-src 'self'; img-src *; media-src *; frame-src *; child-src *")
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}
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// NewResponse returns a new Response.
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func NewResponse(w http.ResponseWriter, r *http.Request, template *template.Engine) *Response {
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return &Response{writer: w, request: r, template: template}
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}
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