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content / browser / first_party_sets / test / first_party_set_parser_value_fuzzer.cc [blame]
// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/342213636): Remove this and spanify to fix the errors.
#pragma allow_unsafe_buffers
#endif
#include <stdlib.h>
#include <iostream>
#include "base/json/json_writer.h"
#include "base/strings/strcat.h"
#include "content/browser/first_party_sets/first_party_set_parser.h"
#include "content/browser/first_party_sets/test/related_website_sets.pb.h"
#include "net/first_party_sets/global_first_party_sets.h"
#include "net/first_party_sets/local_set_declaration.h"
#include "testing/libfuzzer/proto/lpm_interface.h"
namespace content {
namespace {
constexpr char kPrimary[] = "primary";
constexpr char kAssociated[] = "associatedSites";
constexpr char kService[] = "serviceSites";
constexpr char kCctld[] = "ccTLDs";
constexpr char kReplacements[] = "replacements";
constexpr char kAdditions[] = "additions";
constexpr char const* kSubdomains[3] = {
"sub-0",
"sub-1",
"sub-2",
};
constexpr char const* kSites[5] = {
"site-0", "site-1", "site-2", "site-3", "site-4",
};
constexpr char const* kTlds[2] = {
"test",
"cctld",
};
std::string ConvertSite(const related_website_sets::proto::Site& site) {
std::string out = "https://";
if (site.has_subdomain_index()) {
base::StrAppend(&out, {kSubdomains[site.subdomain_index()], "."});
}
base::StrAppend(&out, {
kSites[site.site_index()],
".",
kTlds[site.tld()],
});
return out;
}
base::Value::Dict ConvertSet(const related_website_sets::proto::Set& set) {
base::Value::Dict json_set;
json_set.Set(kPrimary, ConvertSite(set.primary()));
for (const auto& site : set.associated()) {
json_set.EnsureList(kAssociated)->Append(ConvertSite(site));
}
for (const auto& site : set.service()) {
json_set.EnsureList(kService)->Append(ConvertSite(site));
}
for (const related_website_sets::proto::SitePair& site_pair :
set.cctld_aliases()) {
json_set.EnsureDict(kCctld)->Set(ConvertSite(site_pair.alias()),
ConvertSite(site_pair.canonical()));
}
return json_set;
}
std::string ConvertProto(
const related_website_sets::proto::PublicSets& public_sets) {
std::string out;
for (const related_website_sets::proto::Set& set : public_sets.sets()) {
base::StrAppend(&out, {base::WriteJson(ConvertSet(set)).value()});
}
return out;
}
base::Value::Dict ConvertProto(
const related_website_sets::proto::Policy& policy) {
base::Value::Dict dict;
for (const related_website_sets::proto::Set& set : policy.replacements()) {
dict.EnsureList(kReplacements)->Append(ConvertSet(set));
}
for (const related_website_sets::proto::Set& set : policy.additions()) {
dict.EnsureList(kAdditions)->Append(ConvertSet(set));
}
return dict;
}
std::string ConvertProto(
const related_website_sets::proto::CommandLineSwitch& command_line_switch) {
std::string out;
if (command_line_switch.has_set()) {
base::StrAppend(
&out, {base::WriteJson(ConvertSet(command_line_switch.set())).value()});
}
return out;
}
struct NativeInputs {
std::string public_sets;
base::Value::Dict policy;
std::string command_line_switch;
};
NativeInputs ConvertProto(const related_website_sets::proto::AllInputs& input) {
return NativeInputs{
ConvertProto(input.public_sets()),
ConvertProto(input.policy()),
ConvertProto(input.command_line_switch()),
};
}
} // namespace
DEFINE_PROTO_FUZZER(const related_website_sets::proto::AllInputs& input) {
NativeInputs native_inputs = ConvertProto(input);
if (getenv("LPM_DUMP_NATIVE_INPUT")) {
std::cout << native_inputs.public_sets << std::endl;
std::cout << native_inputs.policy.DebugString() << std::endl;
std::cout << native_inputs.command_line_switch << std::endl;
}
std::istringstream stream(native_inputs.public_sets);
net::GlobalFirstPartySets global_sets =
FirstPartySetParser::ParseSetsFromStream(stream, base::Version("1.0"),
false, false);
auto [parsed_policy, warnings] =
FirstPartySetParser::ParseSetsFromEnterprisePolicy(native_inputs.policy);
net::LocalSetDeclaration local_set_declaration =
FirstPartySetParser::ParseFromCommandLine(
native_inputs.command_line_switch);
global_sets.ApplyManuallySpecifiedSet(local_set_declaration);
if (parsed_policy.has_value()) {
global_sets.ComputeConfig(parsed_policy.value().mutation());
}
}
} // namespace content