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// Copyright 2015 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/renderer_host/frame_navigation_entry.h"
#include <utility>
#include "base/debug/alias.h"
#include "base/debug/crash_logging.h"
#include "base/strings/utf_string_conversions.h"
#include "third_party/blink/public/common/page_state/page_state_serialization.h"
namespace content {
FrameNavigationEntry::FrameNavigationEntry(
const std::string& frame_unique_name,
int64_t item_sequence_number,
int64_t document_sequence_number,
const std::string& navigation_api_key,
scoped_refptr<SiteInstanceImpl> site_instance,
scoped_refptr<SiteInstanceImpl> source_site_instance,
const GURL& url,
const std::optional<url::Origin>& origin,
const Referrer& referrer,
const std::optional<url::Origin>& initiator_origin,
const std::optional<GURL>& initiator_base_url,
const std::vector<GURL>& redirect_chain,
const blink::PageState& page_state,
const std::string& method,
int64_t post_id,
scoped_refptr<network::SharedURLLoaderFactory> blob_url_loader_factory,
std::unique_ptr<PolicyContainerPolicies> policy_container_policies,
bool protect_url_in_navigation_api)
: frame_unique_name_(frame_unique_name),
item_sequence_number_(item_sequence_number),
document_sequence_number_(document_sequence_number),
navigation_api_key_(navigation_api_key),
site_instance_(std::move(site_instance)),
source_site_instance_(std::move(source_site_instance)),
url_(url),
committed_origin_(origin),
referrer_(referrer),
initiator_origin_(initiator_origin),
initiator_base_url_(initiator_base_url),
redirect_chain_(redirect_chain),
page_state_(page_state),
method_(method),
post_id_(post_id),
blob_url_loader_factory_(std::move(blob_url_loader_factory)),
policy_container_policies_(std::move(policy_container_policies)),
protect_url_in_navigation_api_(protect_url_in_navigation_api) {}
FrameNavigationEntry::~FrameNavigationEntry() = default;
scoped_refptr<FrameNavigationEntry> FrameNavigationEntry::Clone() const {
// Omit any fields cleared at commit time.
auto copy = base::MakeRefCounted<FrameNavigationEntry>(
frame_unique_name_, item_sequence_number_, document_sequence_number_,
navigation_api_key_, site_instance_, /*source_site_instance=*/nullptr,
url_, committed_origin_, referrer_, initiator_origin_,
initiator_base_url_, redirect_chain_, page_state_, method_, post_id_,
/*blob_url_loader_factory=*/nullptr,
policy_container_policies_ ? policy_container_policies_->ClonePtr()
: nullptr,
protect_url_in_navigation_api_);
// |bindings_| gets only updated through the SetBindings API, so make a copy
// of it explicitly here as part of cloning.
copy->bindings_ = bindings_;
return copy;
}
void FrameNavigationEntry::UpdateEntry(
const std::string& frame_unique_name,
int64_t item_sequence_number,
int64_t document_sequence_number,
const std::string& navigation_api_key,
SiteInstanceImpl* site_instance,
scoped_refptr<SiteInstanceImpl> source_site_instance,
const GURL& url,
const std::optional<url::Origin>& origin,
const Referrer& referrer,
const std::optional<url::Origin>& initiator_origin,
const std::optional<GURL>& initiator_base_url,
const std::vector<GURL>& redirect_chain,
const blink::PageState& page_state,
const std::string& method,
int64_t post_id,
scoped_refptr<network::SharedURLLoaderFactory> blob_url_loader_factory,
std::unique_ptr<PolicyContainerPolicies> policy_container_policies,
bool protect_url_in_navigation_api) {
frame_unique_name_ = frame_unique_name;
item_sequence_number_ = item_sequence_number;
document_sequence_number_ = document_sequence_number;
navigation_api_key_ = navigation_api_key;
// TODO(nasko, creis): The SiteInstance of a FrameNavigationEntry should
// not change once it has been assigned. See https://crbug.com/849430.
site_instance_ = site_instance;
source_site_instance_ = std::move(source_site_instance);
redirect_chain_ = redirect_chain;
url_ = url;
committed_origin_ = origin;
referrer_ = referrer;
initiator_origin_ = initiator_origin;
initiator_base_url_ = initiator_base_url;
page_state_ = page_state;
method_ = method;
post_id_ = post_id;
blob_url_loader_factory_ = std::move(blob_url_loader_factory);
policy_container_policies_ = std::move(policy_container_policies);
protect_url_in_navigation_api_ = protect_url_in_navigation_api;
}
void FrameNavigationEntry::set_item_sequence_number(
int64_t item_sequence_number) {
// Once assigned, the item sequence number shouldn't change.
DCHECK(item_sequence_number_ == -1 ||
item_sequence_number_ == item_sequence_number);
item_sequence_number_ = item_sequence_number;
}
void FrameNavigationEntry::set_document_sequence_number(
int64_t document_sequence_number) {
// Once assigned, the document sequence number shouldn't change.
DCHECK(document_sequence_number_ == -1 ||
document_sequence_number_ == document_sequence_number);
document_sequence_number_ = document_sequence_number;
}
void FrameNavigationEntry::set_navigation_api_key(
const std::string& navigation_api_key) {
// Once assigned, the navigation API key shouldn't change.
DCHECK(navigation_api_key_.empty() ||
navigation_api_key_ == navigation_api_key);
navigation_api_key_ = navigation_api_key;
}
void FrameNavigationEntry::SetPageState(const blink::PageState& page_state) {
page_state_ = page_state;
blink::ExplodedPageState exploded_state;
if (!blink::DecodePageState(page_state_.ToEncodedData(), &exploded_state))
return;
item_sequence_number_ = exploded_state.top.item_sequence_number;
document_sequence_number_ = exploded_state.top.document_sequence_number;
navigation_api_key_ = base::UTF16ToUTF8(
exploded_state.top.navigation_api_key.value_or(std::u16string()));
}
void FrameNavigationEntry::SetBindings(BindingsPolicySet bindings) {
// TODO(nasko): Remove this debugging info once https://crbug.com/40066194
// is understood and resolved.
uint64_t new_bindings = bindings.ToEnumBitmask();
uint64_t existing_bindings = bindings_.has_value()
? bindings_->ToEnumBitmask()
: 0xFFFF'FFFF'FFFF'FFFF;
base::debug::Alias(&new_bindings);
base::debug::Alias(&existing_bindings);
SCOPED_CRASH_KEY_NUMBER("SetBindings", "bindings", new_bindings);
SCOPED_CRASH_KEY_NUMBER("SetBindings", "bindings_", existing_bindings);
// Ensure this is set to a valid value, and that it stays the same once set.
CHECK(!bindings_.has_value() || bindings_.value() == bindings)
<< "bindings:" << new_bindings << " | bindings_: " << existing_bindings;
bindings_ = bindings;
}
scoped_refptr<network::ResourceRequestBody> FrameNavigationEntry::GetPostData(
std::string* content_type) const {
if (method_ != "POST")
return nullptr;
// Generate the body from the PageState.
blink::ExplodedPageState exploded_state;
if (!blink::DecodePageState(page_state_.ToEncodedData(), &exploded_state))
return nullptr;
*content_type = base::UTF16ToASCII(
exploded_state.top.http_body.http_content_type.value_or(
std::u16string()));
return exploded_state.top.http_body.request_body;
}
} // namespace content
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