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// Copyright 2015 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.
#ifndef CHROME_BROWSER_NET_CERTIFICATE_ERROR_REPORTER_H_
#define CHROME_BROWSER_NET_CERTIFICATE_ERROR_REPORTER_H_
#include <set>
#include <string>
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "net/url_request/url_request.h"
#include "url/gurl.h"
namespace net {
class URLRequestContext;
class SSLInfo;
}
namespace chrome_browser_net {
class EncryptedCertLoggerRequest;
// Provides functionality for sending reports about invalid SSL
// certificate chains to a report collection server.
class CertificateErrorReporter : public net::URLRequest::Delegate {
public:
// These represent the types of reports that can be sent.
enum ReportType {
// A report of a certificate chain that failed a certificate pinning
// check.
REPORT_TYPE_PINNING_VIOLATION,
// A report for an invalid certificate chain that is being sent for
// a user who has opted-in to the extended reporting program.
REPORT_TYPE_EXTENDED_REPORTING
};
// Represents whether or not to send cookies along with reports sent
// to the server.
enum CookiesPreference { SEND_COOKIES, DO_NOT_SEND_COOKIES };
// Creates a certificate error reporter that will send certificate
// error reports to |upload_url|, using |request_context| as the
// context for the reports. |cookies_preference| controls whether
// cookies will be sent along with the reports.
CertificateErrorReporter(net::URLRequestContext* request_context,
const GURL& upload_url,
CookiesPreference cookies_preference);
// Allows tests to use a server public key with known private key.
CertificateErrorReporter(net::URLRequestContext* request_context,
const GURL& upload_url,
CookiesPreference cookies_preference,
const uint8 server_public_key[32],
const uint32 server_public_key_version);
~CertificateErrorReporter() override;
// Sends a certificate report to the report collection server. The
// |serialized_report| is expected to be a serialized protobuf
// containing information about the hostname, certificate chain, and
// certificate errors encountered when validating the chain.
//
// |SendReport| actually sends the report over the network; callers are
// responsible for enforcing any preconditions (such as obtaining user
// opt-in, only sending reports for certain hostnames, checking for
// incognito mode, etc.).
//
// On some platforms (but not all), CertificateErrorReporter can use
// an HTTP endpoint to send encrypted extended reporting reports. On
// unsupported platforms, callers must send extended reporting reports
// over SSL.
virtual void SendReport(ReportType type,
const std::string& serialized_report);
// net::URLRequest::Delegate
void OnResponseStarted(net::URLRequest* request) override;
void OnReadCompleted(net::URLRequest* request, int bytes_read) override;
// Callers can use this method to determine if sending reports over
// HTTP is supported.
static bool IsHttpUploadUrlSupported();
// Used by tests.
static bool DecryptCertificateErrorReport(
const uint8 server_private_key[32],
const EncryptedCertLoggerRequest& encrypted_report,
std::string* decrypted_serialized_report);
private:
// Creates a URLRequest with which to send a certificate report to the
// server.
virtual scoped_ptr<net::URLRequest> CreateURLRequest(
net::URLRequestContext* context);
// Sends a serialized report (encrypted or not) to the report
// collection server.
void SendSerializedRequest(const std::string& serialized_request);
// Performs post-report cleanup.
void RequestComplete(net::URLRequest* request);
net::URLRequestContext* const request_context_;
const GURL upload_url_;
// Owns the contained requests.
std::set<net::URLRequest*> inflight_requests_;
CookiesPreference cookies_preference_;
const uint8* server_public_key_;
const uint32 server_public_key_version_;
DISALLOW_COPY_AND_ASSIGN(CertificateErrorReporter);
};
} // namespace chrome_browser_net
#endif // CHROME_BROWSER_NET_CERTIFICATE_ERROR_REPORTER_H_
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