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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/url_loader_factory_params_helper.h"
#include "base/command_line.h"
#include "base/optional.h"
#include "content/browser/renderer_host/render_frame_host_impl.h"
#include "content/browser/storage_partition_impl.h"
#include "content/public/browser/content_browser_client.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/content_client.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/url_constants.h"
#include "ipc/ipc_message.h"
#include "net/base/isolation_info.h"
#include "services/network/public/mojom/cross_origin_embedder_policy.mojom.h"
#include "services/network/public/mojom/network_context.mojom.h"
#include "services/network/public/mojom/url_loader.mojom-shared.h"
#include "third_party/blink/public/common/web_preferences/web_preferences.h"
namespace content {
namespace {
// Helper used by the public URLLoaderFactoryParamsHelper::Create... methods.
//
// |origin| is the origin that will use the URLLoaderFactory.
// |origin| is typically the same as the origin in
// network::ResourceRequest::request_initiator, except when
// |is_for_isolated_world|. See also the doc comment for
// extensions::URLLoaderFactoryManager::CreateFactory.
network::mojom::URLLoaderFactoryParamsPtr CreateParams(
RenderProcessHost* process,
const url::Origin& origin,
const url::Origin& request_initiator_origin_lock,
bool is_trusted,
const base::Optional<base::UnguessableToken>& top_frame_token,
const net::IsolationInfo& isolation_info,
network::mojom::ClientSecurityStatePtr client_security_state,
mojo::PendingRemote<network::mojom::CrossOriginEmbedderPolicyReporter>
coep_reporter,
bool allow_universal_access_from_file_urls,
bool is_for_isolated_world,
mojo::PendingRemote<network::mojom::CookieAccessObserver> cookie_observer,
network::mojom::TrustTokenRedemptionPolicy trust_token_redemption_policy,
base::StringPiece debug_tag) {
DCHECK(process);
// "chrome-guest://..." is never used as a main or isolated world origin.
DCHECK_NE(kGuestScheme, origin.scheme());
DCHECK_NE(kGuestScheme, request_initiator_origin_lock.scheme());
network::mojom::URLLoaderFactoryParamsPtr params =
network::mojom::URLLoaderFactoryParams::New();
params->process_id = process->GetID();
params->request_initiator_origin_lock = request_initiator_origin_lock;
params->is_trusted = is_trusted;
params->top_frame_id = top_frame_token;
params->isolation_info = isolation_info;
params->disable_web_security =
base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kDisableWebSecurity);
params->client_security_state = std::move(client_security_state);
params->coep_reporter = std::move(coep_reporter);
if (params->disable_web_security) {
// --disable-web-security also disables Cross-Origin Read Blocking (CORB).
params->is_corb_enabled = false;
} else if (allow_universal_access_from_file_urls &&
origin.scheme() == url::kFileScheme) {
// allow_universal_access_from_file_urls disables CORB (via
// |is_corb_enabled|) and CORS (via |disable_web_security|) for requests
// made from a file: |origin|.
params->is_corb_enabled = false;
params->disable_web_security = true;
} else {
params->is_corb_enabled = true;
}
params->trust_token_redemption_policy = trust_token_redemption_policy;
GetContentClient()->browser()->OverrideURLLoaderFactoryParams(
process->GetBrowserContext(), origin, is_for_isolated_world,
params.get());
params->cookie_observer = std::move(cookie_observer);
if (params->debug_tag.empty())
params->debug_tag = std::string(debug_tag);
else
params->debug_tag = std::string(debug_tag) + ": " + params->debug_tag;
return params;
}
} // namespace
// static
network::mojom::URLLoaderFactoryParamsPtr
URLLoaderFactoryParamsHelper::CreateForFrame(
RenderFrameHostImpl* frame,
const url::Origin& frame_origin,
network::mojom::ClientSecurityStatePtr client_security_state,
mojo::PendingRemote<network::mojom::CrossOriginEmbedderPolicyReporter>
coep_reporter,
RenderProcessHost* process,
network::mojom::TrustTokenRedemptionPolicy trust_token_redemption_policy,
base::StringPiece debug_tag) {
return CreateParams(
process,
frame_origin, // origin
frame_origin, // request_initiator_origin_lock
false, // is_trusted
frame->GetTopFrameToken(), frame->GetIsolationInfoForSubresources(),
std::move(client_security_state), std::move(coep_reporter),
WebContents::FromRenderFrameHost(frame)
->GetOrCreateWebPreferences()
.allow_universal_access_from_file_urls,
false, // is_for_isolated_world
frame->CreateCookieAccessObserver(), trust_token_redemption_policy,
debug_tag);
}
// static
network::mojom::URLLoaderFactoryParamsPtr
URLLoaderFactoryParamsHelper::CreateForIsolatedWorld(
RenderFrameHostImpl* frame,
const url::Origin& isolated_world_origin,
const url::Origin& main_world_origin,
network::mojom::ClientSecurityStatePtr client_security_state,
network::mojom::TrustTokenRedemptionPolicy trust_token_redemption_policy) {
return CreateParams(frame->GetProcess(),
isolated_world_origin, // origin
main_world_origin, // request_initiator_origin_lock
false, // is_trusted
frame->GetTopFrameToken(),
frame->GetIsolationInfoForSubresources(),
std::move(client_security_state),
mojo::NullRemote(), // coep_reporter
WebContents::FromRenderFrameHost(frame)
->GetOrCreateWebPreferences()
.allow_universal_access_from_file_urls,
true, // is_for_isolated_world
frame->CreateCookieAccessObserver(),
trust_token_redemption_policy, "CreateForIsolatedWorld");
}
network::mojom::URLLoaderFactoryParamsPtr
URLLoaderFactoryParamsHelper::CreateForPrefetch(
RenderFrameHostImpl* frame,
network::mojom::ClientSecurityStatePtr client_security_state) {
// The factory client |is_trusted| to control the |network_isolation_key| in
// each separate request (rather than forcing the client to use the key
// specified in URLLoaderFactoryParams).
const url::Origin& frame_origin = frame->GetLastCommittedOrigin();
return CreateParams(frame->GetProcess(),
frame_origin, // origin
frame_origin, // request_initiator_origin_lock
true, // is_trusted
frame->GetTopFrameToken(),
net::IsolationInfo(), // isolation_info
std::move(client_security_state),
mojo::NullRemote(), // coep_reporter
WebContents::FromRenderFrameHost(frame)
->GetOrCreateWebPreferences()
.allow_universal_access_from_file_urls,
false, // is_for_isolated_world
frame->CreateCookieAccessObserver(),
network::mojom::TrustTokenRedemptionPolicy::kForbid,
"CreateForPrefetch");
}
// static
network::mojom::URLLoaderFactoryParamsPtr
URLLoaderFactoryParamsHelper::CreateForWorker(
RenderProcessHost* process,
const url::Origin& request_initiator,
const net::IsolationInfo& isolation_info,
mojo::PendingRemote<network::mojom::CrossOriginEmbedderPolicyReporter>
coep_reporter,
base::StringPiece debug_tag) {
return CreateParams(
process,
request_initiator, // origin
request_initiator, // request_initiator_origin_lock
false, // is_trusted
base::nullopt, // top_frame_token
isolation_info,
nullptr, // client_security_state
std::move(coep_reporter),
false, // allow_universal_access_from_file_urls
false, // is_for_isolated_world
static_cast<StoragePartitionImpl*>(process->GetStoragePartition())
->CreateCookieAccessObserverForServiceWorker(),
// Since ExecutionContext::IsFeatureEnabled returns
// false in non-Document contexts, no worker should ever
// execute a trust token redemption or signing operation,
// as these operations require the Feature Policy feature.
network::mojom::TrustTokenRedemptionPolicy::kForbid, debug_tag);
}
// static
network::mojom::URLLoaderFactoryParamsPtr
URLLoaderFactoryParamsHelper::CreateForRendererProcess(
RenderProcessHost* process) {
// Lock the |request_initiator| to an opaque origin - before something commits
// in a frame, requests initiated by such frame should use an opaque
// |request_initiator|. See also https://crbug.com/1105794 and
// https://crbug.com/1098938.
url::Origin request_initiator_origin_lock = url::Origin();
// Since this function is about to get deprecated (crbug.com/1114822), it
// should be fine to not add support for isolation info thus using an empty
// NetworkIsolationKey.
//
// We may not be able to allow powerful APIs such as memory measurement APIs
// (see https://crbug.com/887967) without removing this call.
net::IsolationInfo isolation_info = net::IsolationInfo::CreateTransient();
base::Optional<base::UnguessableToken> top_frame_token = base::nullopt;
return CreateParams(
process,
url::Origin(), // origin
request_initiator_origin_lock, // request_initiator_origin_lock
false, // is_trusted
top_frame_token, isolation_info,
nullptr, // client_security_state
mojo::NullRemote(), // coep_reporter
false, // allow_universal_access_from_file_urls
false, // is_for_isolated_world
mojo::NullRemote(), network::mojom::TrustTokenRedemptionPolicy::kForbid,
"CreateForRendererProcess");
}
} // namespace content
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