resource_request_policy.cc | Explore in Territory

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "extensions/renderer/resource_request_policy.h"

#include <string_view>

#include "base/logging.h"
#include "base/strings/stringprintf.h"
#include "base/types/optional_util.h"
#include "content/public/common/url_constants.h"
#include "extensions/common/constants.h"
#include "extensions/common/extension.h"
#include "extensions/common/manifest_constants.h"
#include "extensions/common/manifest_handlers/icons_handler.h"
#include "extensions/common/manifest_handlers/web_accessible_resources_info.h"
#include "extensions/common/manifest_handlers/webview_info.h"
#include "extensions/renderer/dispatcher.h"
#include "pdf/buildflags.h"
#include "third_party/blink/public/platform/url_conversion.h"
#include "third_party/blink/public/platform/web_string.h"
#include "third_party/blink/public/platform/web_url.h"
#include "third_party/blink/public/web/web_console_message.h"
#include "third_party/blink/public/web/web_document.h"
#include "third_party/blink/public/web/web_local_frame.h"
#include "ui/base/page_transition_types.h"
#include "url/gurl.h"
#include "url/origin.h"

namespace extensions {

ResourceRequestPolicy::ResourceRequestPolicy(Dispatcher* dispatcher,
                                             std::unique_ptr<Delegate> delegate)
    : … { … }
ResourceRequestPolicy::~ResourceRequestPolicy() = default;

void ResourceRequestPolicy::OnExtensionLoaded(const Extension& extension) { … }

bool ResourceRequestPolicy::IsWebAccessibleHost(const std::string& host) { … }

void ResourceRequestPolicy::OnExtensionUnloaded(
    const ExtensionId& extension_id) { … }

// This method does a security check whether chrome-extension:// URLs can be
// requested by the renderer. Since this is in an untrusted process, the browser
// has a similar check to enforce the policy, in case this process is exploited.
// If you are changing this function, ensure equivalent checks are added to
// extension_protocols.cc's AllowExtensionResourceLoad.
bool ResourceRequestPolicy::CanRequestResource(
    const GURL& upstream_url,
    const GURL& target_url,
    blink::WebLocalFrame* frame,
    ui::PageTransition transition_type,
    const url::Origin* initiator_origin) { … }

}  // namespace extensions
chromium/extensions/renderer/resource_request_policy.cc
