Safe Browsing: Add Omnibox Interaction Incident Reporter

chrome/browser/safe_browsing/incident_reporting/omnibox_watcher.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/omnibox_watcher.h"
+
+#include "base/time/time.h"
+#include "chrome/browser/chrome_notification_types.h"
+#include "chrome/browser/omnibox/omnibox_log.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/common/safe_browsing/csd.pb.h"
+#include "components/omnibox/autocomplete_result.h"
+#include "content/public/browser/notification_details.h"
+#include "content/public/browser/notification_service.h"
+
+namespace safe_browsing {
+
+OmniboxWatcher::OmniboxWatcher(Profile* profile,
+                               const AddIncidentCallback& callback):
+    incident_callback_(callback) {
+  registrar_.Add(this, chrome::NOTIFICATION_OMNIBOX_OPENED_URL,
+                 content::Source<Profile>(profile));
+}
+
+OmniboxWatcher::~OmniboxWatcher() {
+}
+
+void OmniboxWatcher::Observe(int type,
+                             const content::NotificationSource& source,
+                             const content::NotificationDetails& details) {
+  DCHECK_EQ(chrome::NOTIFICATION_OMNIBOX_OPENED_URL, type);
+  const OmniboxLog* log = content::Details<OmniboxLog>(details).ptr();
+  const AutocompleteMatch& selected_suggestion =
+      log->result.match_at(log->selected_index);
+  // Users tend not to type very long strings explicitly (especially without
+  // using the paste-and-go option), and certainly not in under a second.
+  // No normal person can type URLs that fast!  Navigating to a URL as a
+  // result of such typing is suspicious.
+  // TODO(mpearson): Add support for suspicious queries.
+  if (!log->is_paste_and_go && log->is_popup_open &&
+      (log->text.length() > 200) &&
+      (log->elapsed_time_since_user_first_modified_omnibox <
+       base::TimeDelta::FromSeconds(1)) &&
+      !AutocompleteMatch::IsSearchType(selected_suggestion.type)) {
+    scoped_ptr<ClientIncidentReport_IncidentData> incident_data(
+        new ClientIncidentReport_IncidentData());
+    const GURL& origin = selected_suggestion.destination_url.GetOrigin();
+    incident_data->mutable_omnibox_interaction()->set_origin(
+        origin.possibly_invalid_spec());
+    incident_callback_.Run(incident_data.Pass());
+  }
+}
+
+}  // namespace safe_browsing