Include high-fidelity metadata about a download in incident reports.

chrome/browser/safe_browsing/incident_reporting/incident_reporting_service.cc

 // Copyright 2014 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 "chrome/browser/safe_browsing/incident_reporting/incident_reporting_service.h"
 
 #include <math.h>
 
 #include <algorithm>
 #include <vector>
@@ skipping 231 matching lines @@
     scoped_ptr<ClientIncidentReport> report)
     : report(report.Pass()) {
 }
 
 IncidentReportingService::UploadContext::~UploadContext() {
 }
 
 IncidentReportingService::IncidentReportingService(
     SafeBrowsingService* safe_browsing_service,
     const scoped_refptr<net::URLRequestContextGetter>& request_context_getter)
-    : database_manager_(safe_browsing_service ?
-                        safe_browsing_service->database_manager() : NULL),
+    : database_manager_(safe_browsing_service
+                            ? safe_browsing_service->database_manager()
+                            : NULL),
       url_request_context_getter_(request_context_getter),
       collect_environment_data_fn_(&CollectEnvironmentData),
       environment_collection_task_runner_(
           content::BrowserThread::GetBlockingPool()
               ->GetTaskRunnerWithShutdownBehavior(
                   base::SequencedWorkerPool::SKIP_ON_SHUTDOWN)),
       environment_collection_pending_(),
       collation_timeout_pending_(),
       collation_timer_(FROM_HERE,
                        base::TimeDelta::FromMilliseconds(kDefaultUploadDelayMs),
                        this,
                        &IncidentReportingService::OnCollationTimeout),
       delayed_analysis_callbacks_(
           base::TimeDelta::FromMilliseconds(kDefaultCallbackIntervalMs),
           content::BrowserThread::GetBlockingPool()
               ->GetTaskRunnerWithShutdownBehavior(
                   base::SequencedWorkerPool::SKIP_ON_SHUTDOWN)),
+      download_metadata_manager_(content::BrowserThread::GetBlockingPool()),
       receiver_weak_ptr_factory_(this),
       weak_ptr_factory_(this) {
   notification_registrar_.Add(this,
                               chrome::NOTIFICATION_PROFILE_ADDED,
                               content::NotificationService::AllSources());
   notification_registrar_.Add(this,
                               chrome::NOTIFICATION_PROFILE_DESTROYED,
                               content::NotificationService::AllSources());
+  DownloadProtectionService* download_protection_service =
+      (safe_browsing_service ?
+       safe_browsing_service->download_protection_service() :
+       NULL);
+  if (download_protection_service) {
+    client_download_request_subscription_ =
+        download_protection_service->RegisterClientDownloadRequestCallback(
+            base::Bind(&IncidentReportingService::OnClientDownloadRequest,
+                       base::Unretained(this)));
+  }
 }
 
 IncidentReportingService::~IncidentReportingService() {
   CancelIncidentCollection();
 
   // Cancel all internal asynchronous tasks.
   weak_ptr_factory_.InvalidateWeakPtrs();
 
   CancelEnvironmentCollection();
   CancelDownloadCollection();
@@ skipping 37 matching lines @@
                             GetAddIncidentCallback(NULL),
                             base::ThreadTaskRunnerHandle::Get())));
 
   // Start running the callbacks if any profiles are participating in safe
   // browsing. If none are now, running will commence if/when a participaing
   // profile is added.
   if (FindEligibleProfile())
     delayed_analysis_callbacks_.Start();
 }
 
+void IncidentReportingService::AddDownloadManager(
+    content::DownloadManager* download_manager) {
+  download_metadata_manager_.AddDownloadManager(download_manager);
+}
+
 IncidentReportingService::IncidentReportingService(
     SafeBrowsingService* safe_browsing_service,
     const scoped_refptr<net::URLRequestContextGetter>& request_context_getter,
     base::TimeDelta delayed_task_interval,
     const scoped_refptr<base::TaskRunner>& delayed_task_runner)
-    : database_manager_(safe_browsing_service ?
-                        safe_browsing_service->database_manager() : NULL),
+    : database_manager_(safe_browsing_service
+                            ? safe_browsing_service->database_manager()
+                            : NULL),
       url_request_context_getter_(request_context_getter),
       collect_environment_data_fn_(&CollectEnvironmentData),
       environment_collection_task_runner_(
           content::BrowserThread::GetBlockingPool()
               ->GetTaskRunnerWithShutdownBehavior(
                   base::SequencedWorkerPool::SKIP_ON_SHUTDOWN)),
       environment_collection_pending_(),
       collation_timeout_pending_(),
       collation_timer_(FROM_HERE,
                        base::TimeDelta::FromMilliseconds(kDefaultUploadDelayMs),
                        this,
                        &IncidentReportingService::OnCollationTimeout),
       delayed_analysis_callbacks_(delayed_task_interval, delayed_task_runner),
+      download_metadata_manager_(content::BrowserThread::GetBlockingPool()),
       receiver_weak_ptr_factory_(this),
       weak_ptr_factory_(this) {
   notification_registrar_.Add(this,
                               chrome::NOTIFICATION_PROFILE_ADDED,
                               content::NotificationService::AllSources());
   notification_registrar_.Add(this,
                               chrome::NOTIFICATION_PROFILE_DESTROYED,
                               content::NotificationService::AllSources());
 }
 
@@ skipping 54 matching lines @@
   }
 
   // Take another stab at finding the most recent download if a report is being
   // assembled and one hasn't been found yet (the LastDownloadFinder operates
   // only on profiles that have been added to the ProfileManager).
   BeginDownloadCollection();
 }
 
 scoped_ptr<LastDownloadFinder> IncidentReportingService::CreateDownloadFinder(
     const LastDownloadFinder::LastDownloadCallback& callback) {
-  return LastDownloadFinder::Create(callback).Pass();
+  return LastDownloadFinder::Create(
+             base::Bind(&DownloadMetadataManager::GetDownloadDetails,
+                        base::Unretained(&download_metadata_manager_)),
+             callback).Pass();
 }
 
 scoped_ptr<IncidentReportUploader> IncidentReportingService::StartReportUpload(
     const IncidentReportUploader::OnResultCallback& callback,
     const scoped_refptr<net::URLRequestContextGetter>& request_context_getter,
     const ClientIncidentReport& report) {
   return IncidentReportUploaderImpl::UploadReport(
              callback, request_context_getter, report).Pass();
 }
 
@@ skipping 497 matching lines @@
   DCHECK(it != uploads_.end());
   scoped_ptr<UploadContext> upload(context);  // == *it
   *it = uploads_.back();
   uploads_.weak_erase(uploads_.end() - 1);
 
   if (result == IncidentReportUploader::UPLOAD_SUCCESS)
     HandleResponse(*upload);
   // else retry?
 }
 
+void IncidentReportingService::OnClientDownloadRequest(
+    content::DownloadItem* download,
+    const ClientDownloadRequest* request) {
+  if (!download->GetBrowserContext()->IsOffTheRecord())
+    download_metadata_manager_.SetRequest(download, request);
+}
+
 void IncidentReportingService::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   switch (type) {
     case chrome::NOTIFICATION_PROFILE_ADDED: {
       Profile* profile = content::Source<Profile>(source).ptr();
       if (!profile->IsOffTheRecord())
         OnProfileAdded(profile);
       break;
     }
     case chrome::NOTIFICATION_PROFILE_DESTROYED: {
       Profile* profile = content::Source<Profile>(source).ptr();
       if (!profile->IsOffTheRecord())
         OnProfileDestroyed(profile);
       break;
     }
     default:
       break;
   }
 }
 
 }  // namespace safe_browsing