1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
  122
  123
  124
  125
  126
  127
  128
  129
  130
  131
  132
  133
  134
  135
  136
  137
  138
  139
  140
  141
  142
  143
  144
  145
  146
  147
  148
  149
  150
  151
  152
  153
  154
  155
  156
  157
  158
  159
  160
  161
  162
  163
  164
  165
  166
  167
  168
  169
  170
  171
  172
  173
  174
  175
  176
  177
  178
  179
  180
  181
  182
  183
  184
  185
  186
  187
  188
  189
  190
  191
  192
  193
  194
  195
  196
  197
  198
  199

content / browser / font_access / font_access_manager_browsertest.cc [blame]

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/font_access/font_access_manager.h"

#include <memory>
#include <string>
#include <utility>
#include <vector>

#include "base/task/thread_pool.h"
#include "base/test/bind.h"
#include "base/test/scoped_feature_list.h"
#include "base/threading/sequence_bound.h"
#include "build/build_config.h"
#include "content/browser/font_access/font_access_test_utils.h"
#include "content/browser/font_access/font_enumeration_cache.h"
#include "content/browser/font_access/font_enumeration_data_source.h"
#include "content/browser/renderer_host/render_frame_host_impl.h"
#include "content/browser/storage_partition_impl.h"
#include "content/public/browser/storage_partition.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/content_browser_test.h"
#include "content/public/test/content_browser_test_utils.h"
#include "content/shell/browser/shell.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/features.h"
#include "third_party/blink/public/mojom/font_access/font_access.mojom.h"

namespace content {

// This class exists so that tests can be written without enabling
// the kFontAccess feature flag. This will be redundant once the flag
// goes away.
class FontAccessManagerBrowserBase : public ContentBrowserTest {
 public:
  FontAccessManagerBrowserBase() {
    scoped_feature_list_ = std::make_unique<base::test::ScopedFeatureList>();
  }

  void TearDownOnMainThread() override {
    font_access_manager()->SkipPrivacyChecksForTesting(false);
  }

  RenderFrameHost* main_rfh() {
    return shell()->web_contents()->GetPrimaryMainFrame();
  }

  FontAccessManager* font_access_manager() {
    auto* storage_partition =
        static_cast<StoragePartitionImpl*>(main_rfh()->GetStoragePartition());
    return storage_partition->GetFontAccessManager();
  }

  // Must be called before the StoragePartition's FontAccessManager is accessed.
  //
  // This method replaces the StoragePartition's FontAccessManager. This leads
  // to confusion if the old FontAccessManager is already in use, either due to
  // a font_access_manager() call, or due to JavaScript connecting to the Font
  // Access API.
  void OverrideFontAccessLocale(std::string locale) {
    base::SequenceBound<FontEnumerationCache> font_enumeration_cache =
        FontEnumerationCache::CreateForTesting(
            base::ThreadPool::CreateSequencedTaskRunner(
                {base::MayBlock(), base::TaskPriority::BEST_EFFORT}),
            FontEnumerationDataSource::Create(), std::move(locale));

    auto* storage_partition =
        static_cast<StoragePartitionImpl*>(main_rfh()->GetStoragePartition());
    storage_partition->SetFontAccessManagerForTesting(
        FontAccessManager::CreateForTesting(std::move(font_enumeration_cache)));
  }

 protected:
  std::unique_ptr<base::test::ScopedFeatureList> scoped_feature_list_;
  std::unique_ptr<FontEnumerationCache> enumeration_cache_;
};

class FontAccessManagerBrowserTest : public FontAccessManagerBrowserBase {
 public:
  FontAccessManagerBrowserTest() {
    std::vector<base::test::FeatureRef> enabled_features({
        blink::features::kFontAccess,
    });
    scoped_feature_list_->InitWithFeatures(std::move(enabled_features),
                                           /*disabled_features=*/{});
  }
};

// Disabled test: https://crbug.com/1224238
IN_PROC_BROWSER_TEST_F(FontAccessManagerBrowserBase,
                       DISABLED_RendererInterfaceIsBound) {
  ASSERT_TRUE(NavigateToURL(shell(), GetTestUrl(nullptr, "simple_page.html")));
  // This tests that the renderer interface is bound even if the kFontAccess
  // feature flag is disabled.

  RenderFrameHostImpl* rfh = static_cast<RenderFrameHostImpl*>(
      shell()->web_contents()->GetPrimaryMainFrame());
  mojo::Receiver<blink::mojom::BrowserInterfaceBroker>& bib =
      rfh->browser_interface_broker_receiver_for_testing();
  blink::mojom::BrowserInterfaceBroker* broker = bib.internal_state()->impl();

  mojo::Remote<blink::mojom::FontAccessManager> manager_remote;
  broker->GetInterface(manager_remote.BindNewPipeAndPassReceiver());

  EXPECT_TRUE(manager_remote.is_bound() && manager_remote.is_connected())
      << "FontAccessManager remote is expected to be bound and connected.";
}

IN_PROC_BROWSER_TEST_F(FontAccessManagerBrowserTest, EnumerationTest) {
  ASSERT_TRUE(NavigateToURL(shell(), GetTestUrl(nullptr, "simple_page.html")));
  font_access_manager()->SkipPrivacyChecksForTesting(true);

  EvalJsResult result = EvalJs(shell(),
                               "(async () => {"
                               "  const fonts = await self.queryLocalFonts();"
                               "  return fonts.length;"
                               "})()");

  if (FontEnumerationDataSource::IsOsSupported()) {
    EXPECT_LT(0, result.ExtractInt())
        << "Enumeration should return at least one font on supported OS.";
  } else {
    EXPECT_TRUE(!result.error.empty());
  }
}

IN_PROC_BROWSER_TEST_F(FontAccessManagerBrowserTest,
                       EnumerationTestWithInvalidSelect) {
  ASSERT_TRUE(NavigateToURL(shell(), GetTestUrl(nullptr, "simple_page.html")));
  font_access_manager()->SkipPrivacyChecksForTesting(true);

  EvalJsResult result = EvalJs(shell(),
                               "(async () => {"
                               "  const fonts = await self.queryLocalFonts({"
                               "      postscriptNames: ['invalid-query']"
                               "  });"
                               "  return fonts.length;"
                               "})()");

  if (FontEnumerationDataSource::IsOsSupported()) {
    EXPECT_EQ(0, result.ExtractInt())
        << "Enumeration should return no fonts for an invalid postscriptName.";
  } else {
    EXPECT_TRUE(!result.error.empty());
  }
}

#if BUILDFLAG(IS_WIN)
IN_PROC_BROWSER_TEST_F(FontAccessManagerBrowserTest, LocaleTest) {
  ASSERT_TRUE(NavigateToURL(shell(), GetTestUrl(nullptr, "simple_page.html")));
  OverrideFontAccessLocale("zh-cn");
  font_access_manager()->SkipPrivacyChecksForTesting(true);

  EvalJsResult result =
      EvalJs(shell(),
             "(async () => {"
             "  let fullName = '';"
             "  const fonts = await self.queryLocalFonts();"
             "  for (const item of fonts) {"
             "    if (item.postscriptName == 'MicrosoftYaHei') {"
             "      fullName = item.fullName;"
             "      break;"
             "    }"
             "  }"
             "  return fullName;"
             "})()");
  std::string ms_yahei_utf8 = "微软雅黑";
  EXPECT_EQ(ms_yahei_utf8, result);
}

IN_PROC_BROWSER_TEST_F(FontAccessManagerBrowserTest, UnlocalizedFamilyTest) {
  ASSERT_TRUE(NavigateToURL(shell(), GetTestUrl(nullptr, "simple_page.html")));
  OverrideFontAccessLocale("zh-cn");
  font_access_manager()->SkipPrivacyChecksForTesting(true);

  EvalJsResult result =
      EvalJs(shell(),
             "(async () => {"
             "  let family = '';"
             "  const fonts = await self.queryLocalFonts();"
             "  for (const item of fonts) {"
             "    if (item.postscriptName == 'MicrosoftYaHei') {"
             "      family = item.family;"
             "      break;"
             "    }"
             "  }"
             "  return family;"
             "})()");
  std::string unlocalized_family = "Microsoft YaHei";
  EXPECT_EQ(unlocalized_family, result);
}
#endif  // BUILDFLAG(IS_WIN)

}  // namespace content