chromium/chrome/browser/ui/webui/new_tab_page/untrusted_source.cc

// 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 "chrome/browser/ui/webui/new_tab_page/untrusted_source.h"

#include <optional>
#include <string>
#include <string_view>
#include <utility>

#include "base/base64.h"
#include "base/containers/contains.h"
#include "base/files/file_util.h"
#include "base/i18n/rtl.h"
#include "base/memory/ref_counted_memory.h"
#include "base/memory/scoped_refptr.h"
#include "base/metrics/histogram_macros.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "base/task/task_traits.h"
#include "base/task/thread_pool.h"
#include "chrome/browser/new_tab_page/one_google_bar/one_google_bar_data.h"
#include "chrome/browser/new_tab_page/one_google_bar/one_google_bar_service_factory.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/search/ntp_user_data_logger.h"
#include "chrome/common/url_constants.h"
#include "chrome/grit/new_tab_page_resources.h"
#include "components/search/ntp_features.h"
#include "content/public/common/url_constants.h"
#include "net/base/url_util.h"
#include "services/network/public/mojom/content_security_policy.mojom.h"
#include "third_party/re2/src/re2/re2.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/base/template_expressions.h"
#include "url/url_util.h"

namespace {

constexpr int kMaxUriDecodeLen = …;

std::string FormatTemplate(int resource_id,
                           const ui::TemplateReplacements& replacements) { … }

std::string ReadBackgroundImageData(const base::FilePath& path) { … }

void ServeBackgroundImageData(content::URLDataSource::GotDataCallback callback,
                              std::string data_string) { … }

}  // namespace

UntrustedSource::UntrustedSource(Profile* profile)
    : … { … }

UntrustedSource::~UntrustedSource() = default;

std::string UntrustedSource::GetContentSecurityPolicy(
    network::mojom::CSPDirectiveName directive) { … }

std::string UntrustedSource::GetSource() { … }

void UntrustedSource::StartDataRequest(
    const GURL& url,
    const content::WebContents::Getter& wc_getter,
    content::URLDataSource::GotDataCallback callback) { … }

std::string UntrustedSource::GetMimeType(const GURL& url) { … }

bool UntrustedSource::AllowCaching() { … }

bool UntrustedSource::ShouldReplaceExistingSource() { … }

bool UntrustedSource::ShouldServeMimeTypeAsContentTypeHeader() { … }

bool UntrustedSource::ShouldServiceRequest(
    const GURL& url,
    content::BrowserContext* browser_context,
    int render_process_id) { … }

void UntrustedSource::OnOneGoogleBarDataUpdated() { … }

void UntrustedSource::OnOneGoogleBarServiceShuttingDown() { … }

void UntrustedSource::ServeBackgroundImage(
    const GURL& url,
    const GURL& url_2x,
    const std::string& size,
    const std::string& repeat_x,
    const std::string& repeat_y,
    const std::string& position_x,
    const std::string& position_y,
    const std::string& scrim_display,
    content::URLDataSource::GotDataCallback callback) { … }