mirror of
https://github.com/octoleo/syncthing.git
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123 lines
3.0 KiB
Go
123 lines
3.0 KiB
Go
// Copyright (C) 2020 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at https://mozilla.org/MPL/2.0/.
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package assets
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import (
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"bytes"
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"compress/gzip"
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"io"
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"strconv"
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"strings"
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"testing"
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"time"
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)
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func compress(s string) string {
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var sb strings.Builder
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gz := gzip.NewWriter(&sb)
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io.WriteString(gz, s)
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gz.Close()
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return sb.String()
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}
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func decompress(p []byte) (out []byte) {
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r, err := gzip.NewReader(bytes.NewBuffer(p))
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if err == nil {
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out, err = ioutil.ReadAll(r)
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}
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if err != nil {
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panic(err)
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}
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return out
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}
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func TestServe(t *testing.T) { testServe(t, false) }
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func TestServeGzip(t *testing.T) { testServe(t, true) }
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func testServe(t *testing.T, gzip bool) {
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const indexHTML = `<html>Hello, world!</html>`
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content := indexHTML
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if gzip {
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content = compress(indexHTML)
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}
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handler := func(w http.ResponseWriter, r *http.Request) {
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Serve(w, r, Asset{
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Content: content,
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Gzipped: gzip,
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Length: len(indexHTML),
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Filename: r.URL.Path[1:],
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Modified: time.Unix(0, 0),
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})
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}
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for _, acceptGzip := range []bool{true, false} {
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r := httptest.NewRequest("GET", "http://localhost/index.html", nil)
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if acceptGzip {
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r.Header.Set("accept-encoding", "gzip, deflate")
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}
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w := httptest.NewRecorder()
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handler(w, r)
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res := w.Result()
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if res.StatusCode != http.StatusOK {
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t.Fatalf("wanted OK, got status %d", res.StatusCode)
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}
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if ctype := res.Header.Get("Content-Type"); ctype != "text/html; charset=utf-8" {
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t.Errorf("unexpected Content-Type %q", ctype)
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}
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// ETags must be quoted ASCII strings:
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// https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/ETag
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if etag := res.Header.Get("ETag"); etag != `"0"` {
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t.Errorf("unexpected ETag %q", etag)
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}
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body, _ := ioutil.ReadAll(res.Body)
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// Content-Length is the number of bytes in the encoded (compressed) body
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// (https://stackoverflow.com/a/3819303).
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n, err := strconv.Atoi(res.Header.Get("Content-Length"))
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if err != nil {
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t.Errorf("malformed Content-Length %q", res.Header.Get("Content-Length"))
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} else if n != len(body) {
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t.Errorf("wrong Content-Length %d, should be %d", n, len(body))
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}
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if gzip && acceptGzip {
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body = decompress(body)
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}
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if string(body) != indexHTML {
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t.Fatalf("unexpected content %q", body)
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}
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}
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r := httptest.NewRequest("GET", "http://localhost/index.html", nil)
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r.Header.Set("if-none-match", `"0"`)
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w := httptest.NewRecorder()
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handler(w, r)
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res := w.Result()
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if res.StatusCode != http.StatusNotModified {
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t.Fatalf("wanted NotModified, got status %d", res.StatusCode)
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}
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r = httptest.NewRequest("GET", "http://localhost/index.html", nil)
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r.Header.Set("if-modified-since", time.Now().Format(http.TimeFormat))
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w = httptest.NewRecorder()
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handler(w, r)
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res = w.Result()
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if res.StatusCode != http.StatusNotModified {
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t.Fatalf("wanted NotModified, got status %d", res.StatusCode)
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}
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}
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