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content / browser / interest_group / interest_group_update_manager.cc [blame]
// 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/interest_group_update_manager.h"
#include <stddef.h>
#include <stdint.h>
#include <algorithm>
#include <cstddef>
#include <map>
#include <memory>
#include <optional>
#include <string>
#include <utility>
#include <vector>
#include "base/base64.h"
#include "base/containers/flat_map.h"
#include "base/containers/span.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/json/json_string_value_serializer.h"
#include "base/memory/scoped_refptr.h"
#include "base/metrics/histogram_functions.h"
#include "base/rand_util.h"
#include "base/time/time.h"
#include "base/values.h"
#include "components/aggregation_service/aggregation_coordinator_utils.h"
#include "content/browser/interest_group/interest_group_features.h"
#include "content/browser/interest_group/interest_group_manager_impl.h"
#include "content/browser/interest_group/interest_group_storage.h"
#include "content/browser/interest_group/interest_group_update.h"
#include "content/browser/interest_group/storage_interest_group.h"
#include "content/common/features.h"
#include "content/public/browser/interest_group_manager.h"
#include "content/services/auction_worklet/public/cpp/auction_downloader.h"
#include "net/base/isolation_info.h"
#include "net/base/net_errors.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
#include "services/data_decoder/public/cpp/data_decoder.h"
#include "services/network/public/cpp/resource_request.h"
#include "services/network/public/cpp/shared_url_loader_factory.h"
#include "services/network/public/cpp/simple_url_loader.h"
#include "services/network/public/mojom/client_security_state.mojom.h"
#include "third_party/blink/public/common/features.h"
#include "third_party/blink/public/common/interest_group/ad_display_size_utils.h"
#include "third_party/blink/public/common/interest_group/interest_group.h"
#include "third_party/blink/public/mojom/interest_group/interest_group_types.mojom.h"
#include "third_party/boringssl/src/include/openssl/curve25519.h"
#include "url/gurl.h"
#include "url/origin.h"
#include "url/url_constants.h"
namespace content {
namespace {
// 1 MB update size limit. We are potentially fetching many interest group
// updates, so don't let this get too large.
constexpr size_t kMaxUpdateSize = 1 * 1024 * 1024;
// The maximum amount of time that the update process can run before it gets
// cancelled for taking too long.
constexpr base::TimeDelta kMaxUpdateRoundDuration = base::Minutes(10);
// The maximum number of groups that can be updated at the same time.
constexpr int kMaxParallelUpdates = 5;
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
//
// For group update batch resize operations count.
enum class GroupUpdateResizeOperation {
// Batch size is less then the limit and not resized
kNoResize = 0,
// Batch is resized to the limit with same head and tail origins
kEqualEndsResize = 1,
// Batch is resized to the limit with different origins across the
// limit boundary
kNonSplitResize = 2,
// Batch is resized to a smaller size than the limit due to having same
// origins across the limit boundary
kSplitResize = 3,
kMaxValue = kSplitResize,
};
constexpr net::NetworkTrafficAnnotationTag kTrafficAnnotation =
net::DefineNetworkTrafficAnnotation("interest_group_update_fetcher", R"(
semantics {
sender: "Interest group periodic update fetcher"
description:
"Fetches periodic updates of Protected Audiences interest groups "
"previously joined by navigator.joinAdInterestGroup(). Protected "
"Audiences allow sites to store persistent interest groups that "
"are only accessible to special on-device ad auction worklets run "
"via navigator.runAdAuction(). JavaScript running in the context "
"of a frame cannot read interest groups, but it can request that "
"all interest groups owned by the current frame's origin be "
"updated by fetching JSON from the registered update URL for each "
"interest group."
"See https://github.com/WICG/turtledove/blob/main/FLEDGE.md and "
"https://developer.chrome.com/docs/privacy-sandbox/fledge/"
trigger:
"Fetched upon a navigator.updateAdInterestGroups() call. Also "
"triggered upon navigator.runAdAuction() completion for interest "
"groups that participated in the auction."
data: "URL registered for updating this interest group."
destination: WEBSITE
}
policy {
cookies_allowed: NO
setting:
"Users can disable this via Settings > Privacy and Security > Ads "
"privacy > Site-suggested ads."
chrome_policy {
PrivacySandboxSiteEnabledAdsEnabled {
PrivacySandboxSiteEnabledAdsEnabled: false
}
}
})");
// TODO(crbug.com/40172488): Report errors to devtools for the TryToCopy*().
// functions.
// Name and owner are optional in `dict` (parsed server JSON response), but
// must match `name` and `owner`, respectively, if either is specified. Returns
// true if the check passes, and false otherwise.
[[nodiscard]] bool ValidateNameAndOwnerIfPresent(
const blink::InterestGroupKey& group_key,
const base::Value::Dict& dict) {
const std::string* maybe_owner = dict.FindString("owner");
if (maybe_owner &&
url::Origin::Create(GURL(*maybe_owner)) != group_key.owner) {
return false;
}
const std::string* maybe_name = dict.FindString("name");
if (maybe_name && *maybe_name != group_key.name) {
return false;
}
return true;
}
// Copies the `priorityVector` JSON field into `priority_vector`. Returns
// true if the JSON is valid and the copy completed.
[[nodiscard]] bool TryToCopyPriorityVector(
const base::Value::Dict& dict,
std::optional<base::flat_map<std::string, double>>& priority_vector) {
const base::Value* maybe_dict = dict.Find("priorityVector");
if (!maybe_dict) {
return true;
}
if (!maybe_dict->is_dict()) {
return false;
}
// Extract all key/value pairs to a vector before writing to a flat_map, since
// flat_map insertion is O(n).
std::vector<std::pair<std::string, double>> pairs;
for (const std::pair<const std::string&, const base::Value&> pair :
maybe_dict->GetDict()) {
if (pair.second.is_int() || pair.second.is_double()) {
pairs.emplace_back(pair.first, pair.second.GetDouble());
continue;
}
return false;
}
priority_vector = base::flat_map<std::string, double>(std::move(pairs));
return true;
}
// Copies the prioritySignalsOverrides JSON field into
// `priority_signals_overrides`, returns true if the JSON is valid and the copy
// completed. Maps nulls to nullopt, which means a value should be deleted from
// the stored interest group.
[[nodiscard]] bool TryToCopyPrioritySignalsOverrides(
const base::Value::Dict& dict,
std::optional<base::flat_map<std::string, std::optional<double>>>&
priority_signals_overrides) {
const base::Value* maybe_dict = dict.Find("prioritySignalsOverrides");
if (!maybe_dict) {
return true;
}
if (!maybe_dict->is_dict()) {
return false;
}
std::vector<std::pair<std::string, std::optional<double>>> pairs;
for (const std::pair<const std::string&, const base::Value&> pair :
maybe_dict->GetDict()) {
if (pair.second.is_none()) {
pairs.emplace_back(pair.first, std::nullopt);
continue;
}
if (pair.second.is_int() || pair.second.is_double()) {
pairs.emplace_back(pair.first, pair.second.GetDouble());
continue;
}
return false;
}
priority_signals_overrides =
base::flat_map<std::string, std::optional<double>>(std::move(pairs));
return true;
}
// Copies the sellerCapabilities JSON field into
// `seller_capabilities` and `all_sellers_capabilities`, returns true if the
// JSON is valid and the copy completed.
[[nodiscard]] bool TryToCopySellerCapabilities(
const base::Value::Dict& dict,
InterestGroupUpdate& interest_group_update) {
const base::Value* maybe_dict = dict.Find("sellerCapabilities");
if (!maybe_dict) {
return true;
}
if (!maybe_dict->is_dict()) {
return false;
}
std::vector<std::pair<url::Origin, blink::SellerCapabilitiesType>>
seller_capabilities_vec;
for (const std::pair<const std::string&, const base::Value&> pair :
maybe_dict->GetDict()) {
if (!pair.second.is_list()) {
return false;
}
blink::SellerCapabilitiesType capabilities;
for (const base::Value& maybe_capability : pair.second.GetList()) {
if (!maybe_capability.is_string()) {
return false;
}
const std::string& capability = maybe_capability.GetString();
base::UmaHistogramBoolean(
"Ads.InterestGroup.EnumNaming.Update.SellerCapabilities",
capability == "interestGroupCounts" || capability == "latencyStats");
if (capability == "interest-group-counts" ||
capability == "interestGroupCounts") {
capabilities.Put(blink::SellerCapabilities::kInterestGroupCounts);
} else if (capability == "latency-stats" ||
capability == "latencyStats") {
capabilities.Put(blink::SellerCapabilities::kLatencyStats);
} else {
continue;
}
}
if (pair.first == "*") {
interest_group_update.all_sellers_capabilities = capabilities;
} else {
seller_capabilities_vec.emplace_back(
url::Origin::Create(GURL(pair.first)), capabilities);
}
}
if (!seller_capabilities_vec.empty()) {
interest_group_update.seller_capabilities.emplace(seller_capabilities_vec);
}
return true;
}
// Copies the executionMode JSON field into `interest_group_update`, returns
// true iff the JSON is valid and the copy completed.
[[nodiscard]] bool TryToCopyExecutionMode(
const base::Value::Dict& dict,
InterestGroupUpdate& interest_group_update) {
const std::string* maybe_execution_mode = dict.FindString("executionMode");
if (!maybe_execution_mode) {
return true;
}
if (*maybe_execution_mode == "group-by-origin" ||
*maybe_execution_mode == "groupByOrigin") {
interest_group_update.execution_mode =
blink::InterestGroup::ExecutionMode::kGroupedByOriginMode;
base::UmaHistogramBoolean(
"Ads.InterestGroup.EnumNaming.Update.WorkletExecutionMode",
*maybe_execution_mode == "groupByOrigin");
} else if (*maybe_execution_mode == "frozen-context") {
interest_group_update.execution_mode =
blink::InterestGroup::ExecutionMode::kFrozenContext;
} else {
// We fallback to compatibility mode both when an update explicitly
// specifies 'compatibility' as the execution mode, and anytime an update
// specifies any unrecognized execution mode.
interest_group_update.execution_mode =
blink::InterestGroup::ExecutionMode::kCompatibilityMode;
}
base::UmaHistogramEnumeration("Ads.InterestGroup.Update.AuctionExecutionMode",
interest_group_update.execution_mode.value());
return true;
}
// Copies the trustedBiddingSignalsKeys list JSON field into
// `interest_group_update`, returns true iff the JSON is valid and the copy
// completed.
[[nodiscard]] bool TryToCopyTrustedBiddingSignalsKeys(
const base::Value::Dict& dict,
InterestGroupUpdate& interest_group_update) {
const base::Value::List* maybe_update_trusted_bidding_signals_keys =
dict.FindList("trustedBiddingSignalsKeys");
if (!maybe_update_trusted_bidding_signals_keys) {
return true;
}
std::vector<std::string> trusted_bidding_signals_keys;
for (const base::Value& keys_value :
*maybe_update_trusted_bidding_signals_keys) {
const std::string* maybe_key = keys_value.GetIfString();
if (!maybe_key) {
return false;
}
trusted_bidding_signals_keys.push_back(*maybe_key);
}
interest_group_update.trusted_bidding_signals_keys =
trusted_bidding_signals_keys;
return true;
}
// Copies the userBiddingSignals JSON "any" field into
// `interest_group_update` as a string, returns true iff re-serialization
// succeeded and the copy completed.
[[nodiscard]] bool TryToCopyUserBiddingSignals(
const base::Value::Dict& dict,
InterestGroupUpdate& interest_group_update) {
const base::Value* maybe_user_bidding_signals =
dict.Find("userBiddingSignals");
if (!maybe_user_bidding_signals) {
return true;
}
std::string user_bidding_signals;
JSONStringValueSerializer serializer(&user_bidding_signals);
if (!serializer.Serialize(*maybe_user_bidding_signals)) {
return false;
}
interest_group_update.user_bidding_signals = std::move(user_bidding_signals);
return true;
}
// Copies the trustedBiddingSignalsSlotSizeMode JSON field into
// `trusted_bidding_signals_slot_size_mode`. Always succeeds.
[[nodiscard]] bool TryToCopyTrustedBiddingSignalsSlotSizeMode(
const base::Value::Dict& dict,
InterestGroupUpdate& interest_group_update) {
const std::string* trusted_bidding_signals_slot_size_mode =
dict.FindString("trustedBiddingSignalsSlotSizeMode");
if (!trusted_bidding_signals_slot_size_mode) {
return true;
}
interest_group_update.trusted_bidding_signals_slot_size_mode =
blink::InterestGroup::ParseTrustedBiddingSignalsSlotSizeMode(
*trusted_bidding_signals_slot_size_mode);
return true;
}
// Copies the maxTrustedBiddingSignalsURLLength JSON field into
// `max_trusted_bidding_signals_url_length`.
[[nodiscard]] bool TryToCopyMaxTrustedBiddingSignalsURLLength(
const base::Value::Dict& dict,
InterestGroupUpdate& interest_group_update) {
const base::Value* maybe_max_trusted_bidding_signals_url_length =
dict.Find("maxTrustedBiddingSignalsURLLength");
if (!maybe_max_trusted_bidding_signals_url_length) {
return true;
}
// `max_trusted_bidding_signals_url_length` must be a valid 32-bit integer.
if (!maybe_max_trusted_bidding_signals_url_length->is_int()) {
return false;
}
int32_t max_trusted_bidding_signals_url_length =
maybe_max_trusted_bidding_signals_url_length->GetInt();
// `max_trusted_bidding_signals_url_length` must not be negative.
if (max_trusted_bidding_signals_url_length < 0) {
return false;
}
interest_group_update.max_trusted_bidding_signals_url_length =
max_trusted_bidding_signals_url_length;
return true;
}
// Copies the trustedBiddingSignalsCoordinator JSON field into
// `trusted_bidding_signals_coordinator`.
[[nodiscard]] bool TryToCopyTrustedBiddingSignalsCoordinator(
const base::Value::Dict& dict,
InterestGroupUpdate& interest_group_update) {
const base::Value* maybe_trusted_bidding_signals_coordinator =
dict.Find("trustedBiddingSignalsCoordinator");
// No `trustedBiddingSignalsCoordinator` field in the update JSON.
if (!maybe_trusted_bidding_signals_coordinator) {
return true;
}
// `trustedBiddingSignalsCoordinator` field is `null` in the update JSON.
if (maybe_trusted_bidding_signals_coordinator->is_none()) {
interest_group_update.trusted_bidding_signals_coordinator.emplace(
std::nullopt);
return true;
}
// If `trusted_bidding_signals_coordinator` is present and not null, it must
// be a valid URL origin string.
if (!maybe_trusted_bidding_signals_coordinator->is_string()) {
return false;
}
GURL trusted_bidding_signals_coordinator_url =
GURL(maybe_trusted_bidding_signals_coordinator->GetString());
if (!trusted_bidding_signals_coordinator_url.is_valid()) {
return false;
}
url::Origin trusted_bidding_signals_coordinator_url_origin =
url::Origin::Create(trusted_bidding_signals_coordinator_url);
if (trusted_bidding_signals_coordinator_url_origin.scheme() !=
url::kHttpsScheme) {
return false;
}
interest_group_update.trusted_bidding_signals_coordinator =
std::move(trusted_bidding_signals_coordinator_url_origin);
return true;
}
// Helper for TryToCopyAds() and TryToCopyAdComponents().
[[nodiscard]] std::optional<std::vector<blink::InterestGroup::Ad>> ExtractAds(
const base::Value::List& ads_list,
bool for_components) {
std::vector<blink::InterestGroup::Ad> ads;
for (const base::Value& ads_value : ads_list) {
const base::Value::Dict* ads_dict = ads_value.GetIfDict();
if (!ads_dict) {
return std::nullopt;
}
const std::string* maybe_render_url = ads_dict->FindString("renderURL");
const std::string* maybe_render_url_deprecated =
ads_dict->FindString("renderUrl");
if (maybe_render_url_deprecated) {
if (maybe_render_url) {
if (*maybe_render_url != *maybe_render_url_deprecated) {
return std::nullopt;
}
} else {
maybe_render_url = maybe_render_url_deprecated;
}
}
if (!maybe_render_url) {
return std::nullopt;
}
GURL render_gurl = GURL(*maybe_render_url);
if (!render_gurl.is_valid()) {
return std::nullopt;
}
blink::InterestGroup::Ad ad(render_gurl, /*metadata=*/std::nullopt);
const std::string* maybe_size_group = ads_dict->FindString("sizeGroup");
if (maybe_size_group) {
ad.size_group = *maybe_size_group;
}
if (!for_components) {
const std::string* maybe_buyer_reporting_id =
ads_dict->FindString("buyerReportingId");
if (maybe_buyer_reporting_id) {
ad.buyer_reporting_id = *maybe_buyer_reporting_id;
}
const std::string* maybe_buyer_and_seller_reporting_id =
ads_dict->FindString("buyerAndSellerReportingId");
if (maybe_buyer_and_seller_reporting_id) {
ad.buyer_and_seller_reporting_id = *maybe_buyer_and_seller_reporting_id;
}
const base::Value::List* maybe_selectable_buyer_and_seller_reporting_ids =
ads_dict->FindList("selectableBuyerAndSellerReportingIds");
if (maybe_selectable_buyer_and_seller_reporting_ids &&
base::FeatureList::IsEnabled(
blink::features::kFledgeAuctionDealSupport)) {
std::vector<std::string> selectable_buyer_and_seller_reporting_ids;
for (const auto& id :
*maybe_selectable_buyer_and_seller_reporting_ids) {
selectable_buyer_and_seller_reporting_ids.push_back(id.GetString());
}
ad.selectable_buyer_and_seller_reporting_ids =
std::move(selectable_buyer_and_seller_reporting_ids);
}
const base::Value::List* maybe_allowed_reporting_origins =
ads_dict->FindList("allowedReportingOrigins");
if (maybe_allowed_reporting_origins) {
ad.allowed_reporting_origins.emplace();
for (const auto& maybe_origin : *maybe_allowed_reporting_origins) {
const std::string* origin_string = maybe_origin.GetIfString();
if (origin_string) {
ad.allowed_reporting_origins->emplace_back(
url::Origin::Create(GURL(*origin_string)));
}
}
}
}
const base::Value* maybe_metadata = ads_dict->Find("metadata");
if (maybe_metadata) {
std::string metadata;
JSONStringValueSerializer serializer(&metadata);
if (!serializer.Serialize(*maybe_metadata)) {
// Binary blobs shouldn't be present, but it's possible we exceeded the
// max JSON depth.
return std::nullopt;
}
ad.metadata = std::move(metadata);
}
const std::string* maybe_ad_render_id = ads_dict->FindString("adRenderId");
if (maybe_ad_render_id) {
ad.ad_render_id = *maybe_ad_render_id;
}
ads.push_back(std::move(ad));
}
return ads;
}
// Copies the `ads` list JSON field into `interest_group_update`, returns true
// iff the JSON is valid and the copy completed.
[[nodiscard]] bool TryToCopyAds(const base::Value::Dict& dict,
InterestGroupUpdate& interest_group_update) {
const base::Value::List* maybe_ads = dict.FindList("ads");
if (!maybe_ads) {
return true;
}
std::optional<std::vector<blink::InterestGroup::Ad>> maybe_extracted_ads =
ExtractAds(*maybe_ads, /*for_components=*/false);
if (!maybe_extracted_ads) {
return false;
}
interest_group_update.ads = std::move(*maybe_extracted_ads);
return true;
}
// Copies the `adComponents` list JSON field into `interest_group_update`,
// returns true iff the JSON is valid and the copy completed.
[[nodiscard]] bool TryToCopyAdComponents(
const base::Value::Dict& dict,
InterestGroupUpdate& interest_group_update) {
const base::Value::List* maybe_ads = dict.FindList("adComponents");
if (!maybe_ads) {
return true;
}
std::optional<std::vector<blink::InterestGroup::Ad>> maybe_extracted_ads =
ExtractAds(*maybe_ads, /*for_components=*/true);
if (!maybe_extracted_ads) {
return false;
}
interest_group_update.ad_components = std::move(*maybe_extracted_ads);
return true;
}
[[nodiscard]] bool TryToCopyAdSizes(
const base::Value::Dict& dict,
InterestGroupUpdate& interest_group_update) {
const base::Value::Dict* maybe_sizes = dict.FindDict("adSizes");
if (!maybe_sizes) {
return true;
}
base::flat_map<std::string, blink::AdSize> size_map;
for (std::pair<const std::string&, const base::Value&> pair : *maybe_sizes) {
const base::Value::Dict* maybe_size = pair.second.GetIfDict();
if (!maybe_size) {
return false;
}
const std::string* width_str = maybe_size->FindString("width");
const std::string* height_str = maybe_size->FindString("height");
if (!width_str || !height_str) {
return false;
}
auto [width_val, width_units] = blink::ParseAdSizeString(*width_str);
auto [height_val, height_units] = blink::ParseAdSizeString(*height_str);
size_map.emplace(pair.first, blink::AdSize(width_val, width_units,
height_val, height_units));
}
interest_group_update.ad_sizes.emplace(size_map);
return true;
}
[[nodiscard]] bool TryToCopySizeGroups(
const base::Value::Dict& dict,
InterestGroupUpdate& interest_group_update) {
const base::Value::Dict* maybe_groups = dict.FindDict("sizeGroups");
if (!maybe_groups) {
return true;
}
base::flat_map<std::string, std::vector<std::string>> group_map;
for (std::pair<const std::string&, const base::Value&> pair : *maybe_groups) {
const base::Value::List* maybe_sizes = pair.second.GetIfList();
if (!maybe_sizes) {
return false;
}
std::vector<std::string> pair_sizes;
for (const base::Value& size : *maybe_sizes) {
const std::string* maybe_string = size.GetIfString();
if (!maybe_string) {
return false;
}
pair_sizes.emplace_back(*maybe_string);
}
group_map.emplace(pair.first, pair_sizes);
}
interest_group_update.size_groups.emplace(group_map);
return true;
}
[[nodiscard]] bool TryToCopyAuctionServerRequestFlags(
const base::Value::Dict& dict,
InterestGroupUpdate& interest_group_update) {
const base::Value::List* maybe_flags =
dict.FindList("auctionServerRequestFlags");
if (!maybe_flags) {
return true;
}
blink::AuctionServerRequestFlags auction_server_request_flags;
for (const base::Value& maybe_flag : *maybe_flags) {
if (!maybe_flag.is_string()) {
return false;
}
const std::string& flag = maybe_flag.GetString();
if (flag == "omit-ads") {
auction_server_request_flags.Put(
blink::AuctionServerRequestFlagsEnum::kOmitAds);
} else if (flag == "include-full-ads") {
auction_server_request_flags.Put(
blink::AuctionServerRequestFlagsEnum::kIncludeFullAds);
} else if (flag == "omit-user-bidding-signals") {
auction_server_request_flags.Put(
blink::AuctionServerRequestFlagsEnum::kOmitUserBiddingSignals);
}
}
interest_group_update.auction_server_request_flags =
auction_server_request_flags;
return true;
}
[[nodiscard]] bool TryToCopyPrivateAggregationConfig(
const base::Value::Dict& dict,
InterestGroupUpdate& interest_group_update) {
const base::Value::Dict* maybe_config =
dict.FindDict("privateAggregationConfig");
if (!maybe_config) {
return true;
}
const std::string* maybe_aggregation_coordinator_origin =
maybe_config->FindString("aggregationCoordinatorOrigin");
if (!maybe_aggregation_coordinator_origin) {
return true;
}
url::Origin aggregation_coordinator_origin =
url::Origin::Create(GURL(*maybe_aggregation_coordinator_origin));
if (!aggregation_service::IsAggregationCoordinatorOriginAllowed(
aggregation_coordinator_origin)) {
return false;
}
interest_group_update.aggregation_coordinator_origin =
std::move(aggregation_coordinator_origin);
return true;
}
std::optional<InterestGroupUpdate> ParseUpdateJson(
const blink::InterestGroupKey& group_key,
const data_decoder::DataDecoder::ValueOrError& result) {
// TODO(crbug.com/40172488): Report to devtools.
if (!result.has_value()) {
return std::nullopt;
}
const base::Value::Dict* dict = result->GetIfDict();
if (!dict) {
return std::nullopt;
}
if (!ValidateNameAndOwnerIfPresent(group_key, *dict)) {
return std::nullopt;
}
InterestGroupUpdate interest_group_update;
const base::Value* maybe_priority_value = dict->Find("priority");
if (maybe_priority_value) {
// If the field is specified, it must be an integer or a double.
if (!maybe_priority_value->is_int() && !maybe_priority_value->is_double()) {
return std::nullopt;
}
interest_group_update.priority = maybe_priority_value->GetDouble();
}
const base::Value* maybe_enable_bidding_signals_prioritization =
dict->Find("enableBiddingSignalsPrioritization");
if (maybe_enable_bidding_signals_prioritization) {
// If the field is specified, it must be a bool.
if (!maybe_enable_bidding_signals_prioritization->is_bool()) {
return std::nullopt;
}
interest_group_update.enable_bidding_signals_prioritization =
maybe_enable_bidding_signals_prioritization->GetBool();
}
if (!TryToCopyPriorityVector(*dict, interest_group_update.priority_vector) ||
!TryToCopyPrioritySignalsOverrides(
*dict, interest_group_update.priority_signals_overrides) ||
!TryToCopyExecutionMode(*dict, interest_group_update)) {
return std::nullopt;
}
if (!TryToCopySellerCapabilities(*dict, interest_group_update)) {
return std::nullopt;
}
const std::string* maybe_bidding_url = dict->FindString("biddingLogicURL");
const std::string* maybe_bidding_url_deprecated =
dict->FindString("biddingLogicUrl");
if (maybe_bidding_url_deprecated) {
if (maybe_bidding_url) {
if (*maybe_bidding_url_deprecated != *maybe_bidding_url) {
return std::nullopt;
}
} else {
maybe_bidding_url = maybe_bidding_url_deprecated;
}
}
if (maybe_bidding_url) {
interest_group_update.bidding_url = GURL(*maybe_bidding_url);
}
const std::string* maybe_bidding_wasm_helper_url =
dict->FindString("biddingWasmHelperURL");
const std::string* maybe_bidding_wasm_helper_url_deprecated =
dict->FindString("biddingWasmHelperUrl");
if (maybe_bidding_wasm_helper_url_deprecated) {
if (maybe_bidding_wasm_helper_url) {
if (*maybe_bidding_wasm_helper_url !=
*maybe_bidding_wasm_helper_url_deprecated) {
return std::nullopt;
}
} else {
maybe_bidding_wasm_helper_url = maybe_bidding_wasm_helper_url_deprecated;
}
}
if (maybe_bidding_wasm_helper_url) {
interest_group_update.bidding_wasm_helper_url =
GURL(*maybe_bidding_wasm_helper_url);
}
const std::string* maybe_update_url =
dict->FindString("updateURL"); // TODO check if we use this or updateURL
if (maybe_update_url) {
interest_group_update.daily_update_url = GURL(*maybe_update_url);
}
const std::string* maybe_trusted_bidding_signals_url =
dict->FindString("trustedBiddingSignalsURL");
const std::string* maybe_trusted_bidding_signals_url_deprecated =
dict->FindString("trustedBiddingSignalsUrl");
if (maybe_trusted_bidding_signals_url_deprecated) {
if (maybe_trusted_bidding_signals_url) {
if (*maybe_trusted_bidding_signals_url !=
*maybe_trusted_bidding_signals_url_deprecated) {
return std::nullopt;
}
} else {
maybe_trusted_bidding_signals_url =
maybe_trusted_bidding_signals_url_deprecated;
}
}
if (maybe_trusted_bidding_signals_url) {
interest_group_update.trusted_bidding_signals_url =
GURL(*maybe_trusted_bidding_signals_url);
}
if (!TryToCopyTrustedBiddingSignalsSlotSizeMode(*dict,
interest_group_update)) {
return std::nullopt;
}
if (!TryToCopyMaxTrustedBiddingSignalsURLLength(*dict,
interest_group_update)) {
return std::nullopt;
}
if (!TryToCopyTrustedBiddingSignalsKeys(*dict, interest_group_update)) {
return std::nullopt;
}
if (!TryToCopyTrustedBiddingSignalsCoordinator(*dict,
interest_group_update)) {
return std::nullopt;
}
if (!TryToCopyUserBiddingSignals(*dict, interest_group_update)) {
return std::nullopt;
}
if (!TryToCopyAds(*dict, interest_group_update)) {
return std::nullopt;
}
if (!TryToCopyAdComponents(*dict, interest_group_update)) {
return std::nullopt;
}
if (!TryToCopyAdSizes(*dict, interest_group_update)) {
return std::nullopt;
}
if (!TryToCopySizeGroups(*dict, interest_group_update)) {
return std::nullopt;
}
if (!TryToCopyAuctionServerRequestFlags(*dict, interest_group_update)) {
return std::nullopt;
}
if (!TryToCopyPrivateAggregationConfig(*dict, interest_group_update)) {
return std::nullopt;
}
return interest_group_update;
}
} // namespace
InterestGroupUpdateManager::InterestGroupUpdateManager(
InterestGroupManagerImpl* manager,
scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory)
: manager_(manager),
max_update_round_duration_(kMaxUpdateRoundDuration),
max_parallel_updates_(kMaxParallelUpdates),
url_loader_factory_(std::move(url_loader_factory)) {}
InterestGroupUpdateManager::~InterestGroupUpdateManager() = default;
void InterestGroupUpdateManager::UpdateInterestGroupsOfOwner(
const url::Origin& owner,
network::mojom::ClientSecurityStatePtr client_security_state,
AreReportingOriginsAttestedCallback callback) {
attestation_callback_ = std::move(callback);
owners_to_update_.Enqueue(owner, std::move(client_security_state));
MaybeContinueUpdatingCurrentOwner();
}
void InterestGroupUpdateManager::UpdateInterestGroupsOfOwners(
base::span<url::Origin> owners,
network::mojom::ClientSecurityStatePtr client_security_state,
AreReportingOriginsAttestedCallback callback) {
// Shuffle the list of interest group owners for fairness.
base::RandomShuffle(owners.begin(), owners.end());
for (const url::Origin& owner : owners) {
UpdateInterestGroupsOfOwner(owner, client_security_state.Clone(), callback);
}
}
void InterestGroupUpdateManager::set_max_update_round_duration_for_testing(
base::TimeDelta delta) {
max_update_round_duration_ = delta;
}
void InterestGroupUpdateManager::set_max_parallel_updates_for_testing(
int max_parallel_updates) {
max_parallel_updates_ = max_parallel_updates;
}
InterestGroupUpdateManager::OwnersToUpdate::OwnersToUpdate() = default;
InterestGroupUpdateManager::OwnersToUpdate::~OwnersToUpdate() = default;
bool InterestGroupUpdateManager::OwnersToUpdate::Empty() const {
return owners_to_update_.empty();
}
const url::Origin& InterestGroupUpdateManager::OwnersToUpdate::FrontOwner()
const {
return owners_to_update_.front();
}
network::mojom::ClientSecurityStatePtr
InterestGroupUpdateManager::OwnersToUpdate::FrontSecurityState() const {
return security_state_map_.at(FrontOwner()).Clone();
}
bool InterestGroupUpdateManager::OwnersToUpdate::Enqueue(
const url::Origin& owner,
network::mojom::ClientSecurityStatePtr client_security_state) {
if (!security_state_map_.emplace(owner, std::move(client_security_state))
.second) {
return false;
}
owners_to_update_.emplace_back(owner);
return true;
}
void InterestGroupUpdateManager::OwnersToUpdate::PopFront() {
security_state_map_.erase(owners_to_update_.front());
owners_to_update_.pop_front();
if (owners_to_update_.empty()) {
joining_origin_isolation_info_map_.clear();
}
}
net::IsolationInfo*
InterestGroupUpdateManager::OwnersToUpdate::GetIsolationInfoByJoiningOrigin(
const url::Origin& joining_origin) {
auto isolation_info_it =
joining_origin_isolation_info_map_.find(joining_origin);
if (isolation_info_it != joining_origin_isolation_info_map_.end()) {
return &isolation_info_it->second;
} else {
net::IsolationInfo isolation_info = net::IsolationInfo::CreateTransient();
const auto [it, success] = joining_origin_isolation_info_map_.insert(
{joining_origin, std::move(isolation_info)});
CHECK(success);
return &it->second;
}
}
void InterestGroupUpdateManager::OwnersToUpdate::
ClearJoiningOriginIsolationInfoMap() {
joining_origin_isolation_info_map_.clear();
}
void InterestGroupUpdateManager::OwnersToUpdate::Clear() {
owners_to_update_.clear();
security_state_map_.clear();
joining_origin_isolation_info_map_.clear();
}
void InterestGroupUpdateManager::MaybeContinueUpdatingCurrentOwner() {
if (num_in_flight_updates_ > 0 || waiting_on_db_read_) {
return;
}
if (owners_to_update_.Empty()) {
base::UmaHistogramLongTimes(
"Ads.InterestGroup.Round.GroupsUpdated.TotalTime",
base::TimeTicks::Now() - last_update_started_);
base::UmaHistogramCounts1000(
"Ads.InterestGroup.Round.GroupsUpdated.TotalCount",
num_groups_updated_in_current_round_);
base::UmaHistogramBoolean("Ads.InterestGroup.Round.GroupsUpdated.Cancelled",
false);
// This update round is finished, there's no more work to do.
last_update_started_ = base::TimeTicks::Min();
num_groups_updated_in_current_round_ = 0;
return;
}
if (last_update_started_ == base::TimeTicks::Min()) {
// It appears we're staring a new update round; mark the time we started the
// round.
last_update_started_ = base::TimeTicks::Now();
} else if (base::TimeTicks::Now() - last_update_started_ >
max_update_round_duration_) {
base::UmaHistogramLongTimes(
"Ads.InterestGroup.Round.GroupsUpdated.TotalTime",
base::TimeTicks::Now() - last_update_started_);
base::UmaHistogramCounts1000(
"Ads.InterestGroup.Round.GroupsUpdated.TotalCount",
num_groups_updated_in_current_round_);
base::UmaHistogramBoolean("Ads.InterestGroup.Round.GroupsUpdated.Cancelled",
true);
// We've been updating for too long; cancel all outstanding updates.
owners_to_update_.Clear();
last_update_started_ = base::TimeTicks::Min();
num_groups_updated_in_current_round_ = 0;
return;
}
GetInterestGroupsForUpdate(
owners_to_update_.FrontOwner(),
base::BindOnce(
&InterestGroupUpdateManager::DidUpdateInterestGroupsOfOwnerDbLoad,
weak_factory_.GetWeakPtr(), owners_to_update_.FrontOwner()));
}
void InterestGroupUpdateManager::GetInterestGroupsForUpdate(
const url::Origin& owner,
base::OnceCallback<void(std::vector<InterestGroupUpdateParameter>)>
callback) {
DCHECK_EQ(num_in_flight_updates_, 0);
DCHECK(!waiting_on_db_read_);
waiting_on_db_read_ = true;
// Read one more interest group than `max_parallel_updates_` from database to
// support the batching logic in `DidUpdateInterestGroupsOfOwnerDbLoad()`.
manager_->GetInterestGroupsForUpdate(
owner, /*groups_limit=*/max_parallel_updates_ + 1, std::move(callback));
}
void InterestGroupUpdateManager::UpdateInterestGroupByBatch(
const url::Origin& owner,
std::vector<InterestGroupUpdateParameter> update_parameters) {
DCHECK_LE(update_parameters.size(),
static_cast<unsigned int>(max_parallel_updates_));
// If feature kGroupNIKByJoiningOriginPerOwner is not enabled, use one single
// NIK for all storage interest groups.
net::IsolationInfo per_update_isolation_info;
if (!base::FeatureList::IsEnabled(features::kGroupNIKByJoiningOrigin)) {
per_update_isolation_info = net::IsolationInfo::CreateTransient();
}
for (auto& [interest_group_key, update_url, joining_origin] :
update_parameters) {
++num_in_flight_updates_;
base::UmaHistogramCounts100000(
"Ads.InterestGroup.Net.RequestUrlSizeBytes.Update",
update_url.spec().size());
auto resource_request = std::make_unique<network::ResourceRequest>();
resource_request->url = std::move(update_url);
resource_request->redirect_mode = network::mojom::RedirectMode::kError;
resource_request->credentials_mode = network::mojom::CredentialsMode::kOmit;
resource_request->request_initiator = owner;
resource_request->trusted_params =
network::ResourceRequest::TrustedParams();
if (base::FeatureList::IsEnabled(features::kGroupNIKByJoiningOrigin)) {
resource_request->trusted_params->isolation_info =
*owners_to_update_.GetIsolationInfoByJoiningOrigin(joining_origin);
} else {
resource_request->trusted_params->isolation_info =
per_update_isolation_info;
}
resource_request->trusted_params->client_security_state =
owners_to_update_.FrontSecurityState();
auto simple_url_loader = network::SimpleURLLoader::Create(
std::move(resource_request), kTrafficAnnotation);
simple_url_loader->SetTimeoutDuration(base::Seconds(30));
auto simple_url_loader_it =
url_loaders_.insert(url_loaders_.end(), std::move(simple_url_loader));
(*simple_url_loader_it)
->DownloadToString(
url_loader_factory_.get(),
base::BindOnce(&InterestGroupUpdateManager::
DidUpdateInterestGroupsOfOwnerNetFetch,
weak_factory_.GetWeakPtr(), simple_url_loader_it,
interest_group_key,
/*start_time=*/base::TimeTicks::Now()),
kMaxUpdateSize);
}
num_groups_updated_in_current_round_ =
num_groups_updated_in_current_round_ + update_parameters.size();
// To avoid the possibility of groups that join during the current update
// process being updated in the next batch with the same isolation
// information, clear the `joining_origin_isolation_info_map_` when mixed
// joining origins are detected in a single update batch.
if (base::FeatureList::IsEnabled(features::kGroupNIKByJoiningOrigin)) {
if (update_parameters.size() > 1 &&
!update_parameters.at(0).joining_origin.IsSameOriginWith(
update_parameters.back().joining_origin)) {
owners_to_update_.ClearJoiningOriginIsolationInfoMap();
}
}
}
void InterestGroupUpdateManager::DidUpdateInterestGroupsOfOwnerDbLoad(
url::Origin owner,
std::vector<InterestGroupUpdateParameter> update_parameters) {
DCHECK_EQ(owner, owners_to_update_.FrontOwner());
DCHECK_EQ(num_in_flight_updates_, 0);
DCHECK(waiting_on_db_read_);
waiting_on_db_read_ = false;
if (update_parameters.empty()) {
// All interest groups for `owner` are up to date, so we can pop it off the
// queue.
owners_to_update_.PopFront();
MaybeContinueUpdatingCurrentOwner();
return;
}
if (!base::FeatureList::IsEnabled(features::kGroupNIKByJoiningOrigin)) {
update_parameters.resize(std::min(
update_parameters.size(), static_cast<size_t>(max_parallel_updates_)));
DCHECK_LE(update_parameters.size(),
static_cast<unsigned int>(max_parallel_updates_));
UpdateInterestGroupByBatch(owner, std::move(update_parameters));
return;
}
// A group of IGs of the same joining origin and update NIK may only be
// updated across batches if all but the last of those batches contain only
// IGs of that joining origin / NIK -- otherwise, a server that knows the
// batch size could deduce information about the number of interest groups
// that had a different joining origin for prior batches. For details, see the
// discussion at
// https://chromium-review.googlesource.com/c/chromium/src/+/4794574/17..20/content/browser/interest_group/interest_group_update_manager.cc#b736.
// If the size of storage groups vector is not larger than the limitation,
// the storage groups can be put into one batch and update together.
if (update_parameters.size() <= static_cast<size_t>(max_parallel_updates_)) {
UpdateInterestGroupByBatch(owner, std::move(update_parameters));
base::UmaHistogramEnumeration(
"Ads.InterestGroup.Round.GroupsUpdated.ResizeOperation",
GroupUpdateResizeOperation::kNoResize);
return;
}
// If the first group and the last group have same joining origin, it is
// safe to put them in the same update batch.
if (update_parameters.at(0).joining_origin.IsSameOriginWith(
update_parameters.at(static_cast<size_t>(max_parallel_updates_) - 1)
.joining_origin)) {
update_parameters.resize(max_parallel_updates_);
UpdateInterestGroupByBatch(owner, std::move(update_parameters));
base::UmaHistogramEnumeration(
"Ads.InterestGroup.Round.GroupsUpdated.ResizeOperation",
GroupUpdateResizeOperation::kEqualEndsResize);
return;
}
// Resize the interest group to the limit if the last storage group has
// different joining origin than the next storage group after the batch
// limit.
if (!update_parameters.at(max_parallel_updates_ - 1)
.joining_origin.IsSameOriginWith(
update_parameters.at(max_parallel_updates_).joining_origin)) {
update_parameters.resize(max_parallel_updates_);
base::UmaHistogramEnumeration(
"Ads.InterestGroup.Round.GroupsUpdated.ResizeOperation",
GroupUpdateResizeOperation::kNonSplitResize);
} else {
// Interest groups with same joining origin cannot be put into
// different batches, unless it can fill all the batches except the
// last one. Therefore, after resize, all the interest groups with
// same joining origin as the last one need to be popped out to be
// loaded in the next batch.
update_parameters.resize(max_parallel_updates_);
url::Origin pop_out_origin =
update_parameters.at(max_parallel_updates_ - 1).joining_origin;
while (update_parameters.size() > 0 and
update_parameters.back().joining_origin.IsSameOriginWith(
pop_out_origin)) {
update_parameters.pop_back();
}
base::UmaHistogramEnumeration(
"Ads.InterestGroup.Round.GroupsUpdated.ResizeOperation",
GroupUpdateResizeOperation::kSplitResize);
}
UpdateInterestGroupByBatch(owner, std::move(update_parameters));
return;
}
void InterestGroupUpdateManager::DidUpdateInterestGroupsOfOwnerNetFetch(
UrlLoadersList::iterator simple_url_loader_it,
blink::InterestGroupKey group_key,
base::TimeTicks start_time,
std::unique_ptr<std::string> fetch_body) {
DCHECK_EQ(group_key.owner, owners_to_update_.FrontOwner());
DCHECK_GT(num_in_flight_updates_, 0);
DCHECK(!waiting_on_db_read_);
std::unique_ptr<network::SimpleURLLoader> simple_url_loader =
std::move(*simple_url_loader_it);
url_loaders_.erase(simple_url_loader_it);
base::UmaHistogramMediumTimes("Ads.InterestGroup.Net.DownloadTime.Update",
base::TimeTicks::Now() - start_time);
// TODO(crbug.com/40172488): Report HTTP error info to devtools.
if (!fetch_body) {
ReportUpdateFailed(group_key,
/*delay_type=*/simple_url_loader->NetError() ==
net::ERR_INTERNET_DISCONNECTED
? UpdateDelayType::kNoInternet
: UpdateDelayType::kNetFailure);
return;
}
base::UmaHistogramCounts100000(
"Ads.InterestGroup.Net.ResponseSizeBytes.Update", fetch_body->size());
data_decoder::DataDecoder::ParseJsonIsolated(
*fetch_body,
base::BindOnce(
&InterestGroupUpdateManager::DidUpdateInterestGroupsOfOwnerJsonParse,
weak_factory_.GetWeakPtr(), std::move(group_key)));
}
void InterestGroupUpdateManager::DidUpdateInterestGroupsOfOwnerJsonParse(
blink::InterestGroupKey group_key,
data_decoder::DataDecoder::ValueOrError result) {
DCHECK_EQ(group_key.owner, owners_to_update_.FrontOwner());
DCHECK_GT(num_in_flight_updates_, 0);
DCHECK(!waiting_on_db_read_);
std::optional<InterestGroupUpdate> interest_group_update =
ParseUpdateJson(group_key, result);
if (!interest_group_update) {
ReportUpdateFailed(group_key, UpdateDelayType::kParseFailure);
return;
}
// All ads' allowed reporting origins must be attested. Otherwise don't update
// the interest group.
if (interest_group_update->ads) {
for (auto& ad : *interest_group_update->ads) {
if (ad.allowed_reporting_origins) {
// Sort and de-duplicate by passing it through a flat_set.
ad.allowed_reporting_origins =
base::flat_set<url::Origin>(
std::move(ad.allowed_reporting_origins.value()))
.extract();
if (!attestation_callback_.Run(ad.allowed_reporting_origins.value())) {
// Treat this the same way as a parse failure.
ReportUpdateFailed(group_key, UpdateDelayType::kParseFailure);
return;
}
}
}
}
UpdateInterestGroup(group_key, std::move(*interest_group_update));
}
void InterestGroupUpdateManager::UpdateInterestGroup(
const blink::InterestGroupKey& group_key,
InterestGroupUpdate update) {
manager_->UpdateInterestGroup(
group_key, std::move(update),
base::BindOnce(
&InterestGroupUpdateManager::OnUpdateInterestGroupCompleted,
weak_factory_.GetWeakPtr(), group_key));
}
void InterestGroupUpdateManager::OnUpdateInterestGroupCompleted(
const blink::InterestGroupKey& group_key,
bool success) {
if (!success) {
ReportUpdateFailed(group_key, UpdateDelayType::kParseFailure);
return;
}
OnOneUpdateCompleted();
}
void InterestGroupUpdateManager::OnOneUpdateCompleted() {
DCHECK_GT(num_in_flight_updates_, 0);
--num_in_flight_updates_;
MaybeContinueUpdatingCurrentOwner();
}
void InterestGroupUpdateManager::ReportUpdateFailed(
const blink::InterestGroupKey& group_key,
UpdateDelayType delay_type) {
if (delay_type != UpdateDelayType::kNoInternet) {
manager_->ReportUpdateFailed(
group_key,
/*parse_failure=*/delay_type == UpdateDelayType::kParseFailure);
}
if (delay_type == UpdateDelayType::kNoInternet) {
// If the internet is disconnected, no more updating is possible at the
// moment. As we are now stopping update work, and it is an invariant
// that `owners_to_update_` only stores owners that will eventually
// be processed, we clear `owners_to_update_` to ensure that future
// update attempts aren't blocked.
//
// To avoid violating the invariant that we're always updating the front of
// the queue, only clear we encounter this error on the last in-flight
// update.
if (num_in_flight_updates_ == 1) {
owners_to_update_.Clear();
}
}
OnOneUpdateCompleted();
}
} // namespace content