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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/android/rlz/rlz_ping_handler.h"
#include <utility>
#include "base/android/callback_android.h"
#include "base/android/jni_android.h"
#include "base/android/jni_string.h"
#include "base/functional/bind.h"
#include "base/strings/stringprintf.h"
#include "chrome/browser/profiles/profile.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/storage_partition.h"
#include "net/base/load_flags.h"
#include "net/base/url_util.h"
#include "net/http/http_response_headers.h"
#include "net/http/http_response_info.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
#include "rlz/lib/lib_values.h"
#include "rlz/lib/net_response_check.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/url_response_head.mojom.h"
#include "url/gurl.h"
// Must come after all headers that specialize FromJniType() / ToJniType().
#include "chrome/android/chrome_jni_headers/RlzPingHandler_jni.h"
using base::android::ConvertJavaStringToUTF8;
using base::android::JavaParamRef;
using base::android::JavaRef;
constexpr int kMaxRetries = 10;
namespace {
const char kProtocolCgiVariable[] = "rep";
}
namespace chrome {
namespace android {
RlzPingHandler::RlzPingHandler(Profile* profile) {
DCHECK(profile);
url_loader_factory_ = profile->GetDefaultStoragePartition()
->GetURLLoaderFactoryForBrowserProcess();
}
RlzPingHandler::~RlzPingHandler() = default;
void RlzPingHandler::Ping(
const base::android::JavaParamRef<jstring>& j_brand,
const base::android::JavaParamRef<jstring>& j_language,
const base::android::JavaParamRef<jstring>& j_events,
const base::android::JavaParamRef<jstring>& j_id,
const base::android::JavaParamRef<jobject>& j_callback) {
if (!j_brand || !j_language || !j_events || !j_id || !j_callback) {
base::android::RunBooleanCallbackAndroid(j_callback, false);
delete this;
return;
}
JNIEnv* env = base::android::AttachCurrentThread();
j_callback_.Reset(env, j_callback);
std::string brand = ConvertJavaStringToUTF8(env, j_brand);
std::string language = ConvertJavaStringToUTF8(env, j_language);
std::string events = ConvertJavaStringToUTF8(env, j_events);
std::string id = ConvertJavaStringToUTF8(env, j_id);
DCHECK_EQ(brand.length(), 4u);
DCHECK_EQ(language.length(), 2u);
DCHECK_EQ(id.length(), 50u);
GURL request_url(base::StringPrintf(
"https://%s%s?", rlz_lib::kFinancialServer, rlz_lib::kFinancialPingPath));
request_url = net::AppendQueryParameter(
request_url, rlz_lib::kProductSignatureCgiVariable, "chrome");
request_url =
net::AppendQueryParameter(request_url, kProtocolCgiVariable, "1");
request_url = net::AppendQueryParameter(
request_url, rlz_lib::kProductBrandCgiVariable, brand);
request_url = net::AppendQueryParameter(
request_url, rlz_lib::kProductLanguageCgiVariable, language);
request_url = net::AppendQueryParameter(request_url,
rlz_lib::kEventsCgiVariable, events);
request_url = net::AppendQueryParameter(request_url,
rlz_lib::kMachineIdCgiVariable, id);
net::NetworkTrafficAnnotationTag traffic_annotation =
net::DefineNetworkTrafficAnnotation("rlz", R"(
semantics {
sender: "RLZ Ping Handler"
description:
"Sends rlz pings for revenue related tracking to the designated web"
"end point."
trigger:
"Critical signals like first install, a promotion dialog being"
"shown, a user selection for a promotion may trigger a ping"
data: "TODO(crbug.com/40190832): Add this field."
destination: WEBSITE
}
policy {
cookies_allowed: NO
setting: "Not user controlled. But it uses a trusted web end point"
"that doesn't use user data"
policy_exception_justification:
"Not implemented, considered not useful as no content is being "
"uploaded."
})");
auto resource_request = std::make_unique<network::ResourceRequest>();
resource_request->url = request_url;
resource_request->load_flags = net::LOAD_DISABLE_CACHE;
resource_request->credentials_mode = network::mojom::CredentialsMode::kOmit;
simple_url_loader_ = network::SimpleURLLoader::Create(
std::move(resource_request), traffic_annotation);
simple_url_loader_->SetRetryOptions(
kMaxRetries, network::SimpleURLLoader::RETRY_ON_5XX |
network::SimpleURLLoader::RETRY_ON_NETWORK_CHANGE);
simple_url_loader_->DownloadToStringOfUnboundedSizeUntilCrashAndDie(
url_loader_factory_.get(),
base::BindOnce(&RlzPingHandler::OnSimpleLoaderComplete,
base::Unretained(this)));
}
void RlzPingHandler::OnSimpleLoaderComplete(
std::unique_ptr<std::string> response_body) {
bool valid = false;
if (!response_body) {
int response_code = -1;
if (simple_url_loader_->ResponseInfo() &&
simple_url_loader_->ResponseInfo()->headers) {
response_code =
simple_url_loader_->ResponseInfo()->headers->response_code();
}
LOG(WARNING) << base::StringPrintf("Rlz endpoint responded with code %d.",
response_code);
} else {
int response_length = -1;
valid =
rlz_lib::IsPingResponseValid(response_body->c_str(), &response_length);
}
// TODO(yusufo) : Investigate what else can be checked for validity that is
// specific to the ping
base::android::RunBooleanCallbackAndroid(j_callback_, valid);
delete this;
}
void JNI_RlzPingHandler_StartPing(
JNIEnv* env,
Profile* profile,
const base::android::JavaParamRef<jstring>& j_brand,
const base::android::JavaParamRef<jstring>& j_language,
const base::android::JavaParamRef<jstring>& j_events,
const base::android::JavaParamRef<jstring>& j_id,
const base::android::JavaParamRef<jobject>& j_callback) {
RlzPingHandler* handler = new RlzPingHandler(profile);
handler->Ping(j_brand, j_language, j_events, j_id, j_callback);
}
} // namespace android
} // namespace chrome
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