components/dom_distiller/core/url_utils.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "components/dom_distiller/core/url_utils.h"
   6
   7 #include <string>
   8
   9 #include "base/guid.h"
  10 #include "components/dom_distiller/core/url_constants.h"
  11 #include "net/base/url_util.h"
  12 #include "url/gurl.h"
  13
  14 namespace dom_distiller {
  15
  16 namespace url_utils {
  17
  18 namespace {
  19
  20 const char kDummyInternalUrlPrefix[] = "chrome-distiller-internal://dummy/";
  21
  22 }  // namespace
  23
  24 const GURL GetDistillerViewUrlFromEntryId(const std::string& scheme,
  25                                           const std::string& entry_id) {
  26   GURL url(scheme + "://" + base::GenerateGUID());
  27   return net::AppendOrReplaceQueryParameter(url, kEntryIdKey, entry_id);
  28 }
  29
  30 const GURL GetDistillerViewUrlFromUrl(const std::string& scheme,
  31                                       const GURL& view_url) {
  32   GURL url(scheme + "://" + base::GenerateGUID());
  33   return net::AppendOrReplaceQueryParameter(url, kUrlKey, view_url.spec());
  34 }
  35
  36 std::string GetValueForKeyInUrlPathQuery(const std::string& path,
  37                                          const std::string& key) {
  38   // Tools for retrieving a value in a query only works with full GURLs, so
  39   // using a dummy scheme and host to create a fake URL which can be parsed.
  40   GURL dummy_url(kDummyInternalUrlPrefix + path);
  41   std::string value;
  42   net::GetValueForKeyInQuery(dummy_url, key, &value);
  43   return value;
  44 }
  45
  46 bool IsUrlDistillable(const GURL& url) {
  47   return url.is_valid() && url.SchemeIsHTTPOrHTTPS();
  48 }
  49
  50 }  // namespace url_utils
  51
  52 }  // namespace dom_distiller