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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/reporting/reporting_service.h"
#include <utility>
#include "base/bind.h"
#include "base/json/json_reader.h"
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "base/time/tick_clock.h"
#include "base/time/time.h"
#include "base/values.h"
#include "net/reporting/reporting_browsing_data_remover.h"
#include "net/reporting/reporting_cache.h"
#include "net/reporting/reporting_context.h"
#include "net/reporting/reporting_delegate.h"
#include "net/reporting/reporting_header_parser.h"
#include "net/reporting/reporting_uploader.h"
#include "url/gurl.h"
namespace net {
namespace {
constexpr int kMaxJsonSize = 16 * 1024;
constexpr int kMaxJsonDepth = 5;
class ReportingServiceImpl : public ReportingService {
public:
ReportingServiceImpl(std::unique_ptr<ReportingContext> context)
: context_(std::move(context)), shut_down_(false) {}
// ReportingService implementation:
~ReportingServiceImpl() override = default;
void QueueReport(const GURL& url,
const std::string& user_agent,
const std::string& group,
const std::string& type,
std::unique_ptr<const base::Value> body,
int depth) override {
if (shut_down_)
return;
DCHECK(context_);
DCHECK(context_->delegate());
if (!context_->delegate()->CanQueueReport(url::Origin::Create(url)))
return;
// Strip username, password, and ref fragment from the URL.
GURL sanitized_url = url.GetAsReferrer();
if (!sanitized_url.is_valid())
return;
context_->cache()->AddReport(sanitized_url, user_agent, group, type,
std::move(body), depth,
context_->tick_clock()->NowTicks(), 0);
}
void ProcessHeader(const GURL& url,
const std::string& header_string) override {
if (shut_down_)
return;
if (header_string.size() > kMaxJsonSize) {
ReportingHeaderParser::RecordHeaderDiscardedForJsonTooBig();
return;
}
std::unique_ptr<base::Value> header_value =
base::JSONReader::ReadDeprecated("[" + header_string + "]",
base::JSON_PARSE_RFC, kMaxJsonDepth);
if (!header_value) {
ReportingHeaderParser::RecordHeaderDiscardedForJsonInvalid();
return;
}
DVLOG(1) << "Received Reporting policy for " << url.GetOrigin();
ReportingHeaderParser::ParseHeader(context_.get(), url,
std::move(header_value));
}
void RemoveBrowsingData(int data_type_mask,
const base::RepeatingCallback<bool(const GURL&)>&
origin_filter) override {
ReportingBrowsingDataRemover::RemoveBrowsingData(
context_->cache(), data_type_mask, origin_filter);
}
void RemoveAllBrowsingData(int data_type_mask) override {
ReportingBrowsingDataRemover::RemoveAllBrowsingData(context_->cache(),
data_type_mask);
}
void OnShutdown() override {
shut_down_ = true;
context_->OnShutdown();
}
const ReportingPolicy& GetPolicy() const override {
return context_->policy();
}
base::Value StatusAsValue() const override {
base::Value dict(base::Value::Type::DICTIONARY);
dict.SetKey("reportingEnabled", base::Value(true));
dict.SetKey("clients", context_->cache()->GetClientsAsValue());
dict.SetKey("reports", context_->cache()->GetReportsAsValue());
return dict;
}
ReportingContext* GetContextForTesting() const override {
return context_.get();
}
private:
std::unique_ptr<ReportingContext> context_;
bool shut_down_;
DISALLOW_COPY_AND_ASSIGN(ReportingServiceImpl);
};
} // namespace
ReportingService::~ReportingService() = default;
// static
std::unique_ptr<ReportingService> ReportingService::Create(
const ReportingPolicy& policy,
URLRequestContext* request_context) {
return std::make_unique<ReportingServiceImpl>(
ReportingContext::Create(policy, request_context));
}
// static
std::unique_ptr<ReportingService> ReportingService::CreateForTesting(
std::unique_ptr<ReportingContext> reporting_context) {
return std::make_unique<ReportingServiceImpl>(std::move(reporting_context));
}
base::Value ReportingService::StatusAsValue() const {
NOTIMPLEMENTED();
return base::Value();
}
} // namespace net
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