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// Copyright 2022 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/interest_group/subresource_url_builder.h"
#include <optional>
#include <utility>
#include <vector>
#include "base/strings/escape.h"
#include "third_party/blink/public/common/interest_group/auction_config.h"
#include "url/gurl.h"
namespace content {
namespace {
using BundleSubresourceInfo = SubresourceUrlBuilder::BundleSubresourceInfo;
std::optional<BundleSubresourceInfo> BuildSellerSignalsSubresourceURL(
const std::optional<const blink::DirectFromSellerSignals>&
direct_from_seller_signals) {
if (!direct_from_seller_signals)
return std::nullopt;
if (!direct_from_seller_signals->seller_signals)
return std::nullopt;
BundleSubresourceInfo full_info(
/*subresource_url=*/GURL(direct_from_seller_signals->prefix.spec() +
"?sellerSignals"),
/*info_from_renderer=*/*direct_from_seller_signals->seller_signals);
return full_info;
}
std::optional<BundleSubresourceInfo> BuildAuctionSignalsSubresourceURL(
const std::optional<const blink::DirectFromSellerSignals>&
direct_from_seller_signals) {
if (!direct_from_seller_signals)
return std::nullopt;
if (!direct_from_seller_signals->auction_signals)
return std::nullopt;
BundleSubresourceInfo full_info(
/*subresource_url=*/GURL(direct_from_seller_signals->prefix.spec() +
"?auctionSignals"),
/*info_from_renderer=*/*direct_from_seller_signals->auction_signals);
return full_info;
}
base::flat_map<url::Origin, BundleSubresourceInfo>
BuildPerBuyerSignalsSubresourceURLs(
const std::optional<const blink::DirectFromSellerSignals>&
direct_from_seller_signals) {
if (!direct_from_seller_signals)
return {};
std::vector<std::pair<url::Origin, BundleSubresourceInfo>> result;
for (const auto& [buyer_origin, subresource_renderer_info] :
direct_from_seller_signals->per_buyer_signals) {
result.emplace_back(
buyer_origin,
BundleSubresourceInfo(
/*subresource_url=*/GURL(
direct_from_seller_signals->prefix.spec() +
"?perBuyerSignals=" +
base::EscapeQueryParamValue(buyer_origin.Serialize(),
/*use_plus=*/false)),
/*info_from_renderer=*/subresource_renderer_info));
}
return base::flat_map<url::Origin, BundleSubresourceInfo>(result);
}
} // namespace
BundleSubresourceInfo::BundleSubresourceInfo(
const GURL& subresource_url,
const blink::DirectFromSellerSignalsSubresource& info_from_renderer)
: subresource_url(subresource_url),
info_from_renderer(info_from_renderer) {}
BundleSubresourceInfo::~BundleSubresourceInfo() = default;
BundleSubresourceInfo::BundleSubresourceInfo(const BundleSubresourceInfo&) =
default;
BundleSubresourceInfo& BundleSubresourceInfo::operator=(
const BundleSubresourceInfo&) = default;
BundleSubresourceInfo::BundleSubresourceInfo(BundleSubresourceInfo&&) = default;
BundleSubresourceInfo& BundleSubresourceInfo::operator=(
BundleSubresourceInfo&&) = default;
SubresourceUrlBuilder::SubresourceUrlBuilder(
const std::optional<blink::DirectFromSellerSignals>&
direct_from_seller_signals)
: seller_signals_(
BuildSellerSignalsSubresourceURL(direct_from_seller_signals)),
auction_signals_(
BuildAuctionSignalsSubresourceURL(direct_from_seller_signals)),
per_buyer_signals_(
BuildPerBuyerSignalsSubresourceURLs(direct_from_seller_signals)) {}
SubresourceUrlBuilder::~SubresourceUrlBuilder() = default;
bool operator==(const SubresourceUrlBuilder::BundleSubresourceInfo& a,
const SubresourceUrlBuilder::BundleSubresourceInfo& b) {
return std::tie(a.subresource_url, a.info_from_renderer) ==
std::tie(b.subresource_url, b.info_from_renderer);
}
} // namespace content
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