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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/first_party_sets/first_party_sets_handler_database_helper.h"
#include "base/containers/contains.h"
#include "base/logging.h"
#include "content/browser/first_party_sets/database/first_party_sets_database.h"
#include "net/base/schemeful_site.h"
#include "net/first_party_sets/first_party_set_entry.h"
#include "net/first_party_sets/first_party_sets_cache_filter.h"
#include "net/first_party_sets/first_party_sets_context_config.h"
#include "net/first_party_sets/global_first_party_sets.h"
namespace content {
FirstPartySetsHandlerDatabaseHelper::FirstPartySetsHandlerDatabaseHelper(
const base::FilePath& db_path) {
CHECK(!db_path.empty());
db_ = std::make_unique<FirstPartySetsDatabase>(db_path);
}
FirstPartySetsHandlerDatabaseHelper::~FirstPartySetsHandlerDatabaseHelper() =
default;
// static
base::flat_set<net::SchemefulSite>
FirstPartySetsHandlerDatabaseHelper::ComputeSetsDiff(
const net::GlobalFirstPartySets& old_sets,
const net::FirstPartySetsContextConfig& old_config,
const net::GlobalFirstPartySets& current_sets,
const net::FirstPartySetsContextConfig& current_config) {
// TODO(crbug.com/40186153): For now we don't clear site data if FPSs
// is disabled. This may change with future feature ruquest.
if ((old_sets.empty() && old_config.empty()) ||
(current_sets.empty() && current_config.empty())) {
return {};
}
std::vector<net::SchemefulSite> result;
old_sets.ForEachEffectiveSetEntry(
old_config, [&](const net::SchemefulSite& old_member,
const net::FirstPartySetEntry& old_entry) {
std::optional<net::FirstPartySetEntry> current_entry =
current_sets.FindEntry(old_member, current_config);
// Look for the removed sites and the ones whose primary has changed.
if (!current_entry.has_value() ||
current_entry.value().primary() != old_entry.primary()) {
result.push_back(old_member);
}
return true;
});
return result;
}
std::optional<
std::pair<std::vector<net::SchemefulSite>, net::FirstPartySetsCacheFilter>>
FirstPartySetsHandlerDatabaseHelper::UpdateAndGetSitesToClearForContext(
const std::string& browser_context_id,
const net::GlobalFirstPartySets& current_sets,
const net::FirstPartySetsContextConfig& current_config) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
CHECK(!browser_context_id.empty());
std::optional<
std::pair<net::GlobalFirstPartySets, net::FirstPartySetsContextConfig>>
old_sets_with_config = db_->GetGlobalSetsAndConfig(browser_context_id);
if (!old_sets_with_config.has_value()) {
DVLOG(1) << "Failed to get the old sites for browser_context_id="
<< browser_context_id;
return std::nullopt;
}
base::flat_set<net::SchemefulSite> diff =
ComputeSetsDiff(old_sets_with_config->first, old_sets_with_config->second,
current_sets, current_config);
if (!db_->InsertSitesToClear(browser_context_id, diff)) {
DVLOG(1) << "Failed to update the sites to clear for browser_context_id="
<< browser_context_id;
return std::nullopt;
}
std::optional<std::pair<std::vector<net::SchemefulSite>,
net::FirstPartySetsCacheFilter>>
sites_to_clear = db_->GetSitesToClearFilters(browser_context_id);
if (!sites_to_clear.has_value()) {
DVLOG(1) << "Failed to get the sites to clear for browser_context_id="
<< browser_context_id;
}
return sites_to_clear;
}
void FirstPartySetsHandlerDatabaseHelper::UpdateClearStatusForContext(
const std::string& browser_context_id) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!db_->InsertBrowserContextCleared(browser_context_id)) {
DVLOG(1) << "Failed to update clear state for browser_context_id="
<< browser_context_id;
}
}
void FirstPartySetsHandlerDatabaseHelper::PersistSets(
const std::string& browser_context_id,
const net::GlobalFirstPartySets& sets,
const net::FirstPartySetsContextConfig& config) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
CHECK(!browser_context_id.empty());
if (!db_->PersistSets(browser_context_id, sets, config))
DVLOG(1) << "Failed to write sets into the database.";
}
std::optional<
std::pair<net::GlobalFirstPartySets, net::FirstPartySetsContextConfig>>
FirstPartySetsHandlerDatabaseHelper::GetGlobalSetsAndConfigForTesting(
const std::string& browser_context_id) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
CHECK(!browser_context_id.empty());
return db_->GetGlobalSetsAndConfig(browser_context_id);
}
// Wraps FirstPartySetsDatabase::HasEntryInBrowserContextsClearedForTesting.
bool FirstPartySetsHandlerDatabaseHelper::
HasEntryInBrowserContextsClearedForTesting(
const std::string& browser_context_id) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
CHECK(!browser_context_id.empty());
return db_->HasEntryInBrowserContextsClearedForTesting( // IN-TEST
browser_context_id);
}
} // namespace content
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