Redoing Issue 36073011: Allowing file:/// in Instant Extended's Most Visited links.

chrome/browser/ui/search/search_ipc_router.cc

 // Copyright 2013 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/ui/search/search_ipc_router.h"
 
 #include "chrome/browser/search/search.h"
 #include "chrome/common/render_messages.h"
 #include "content/public/browser/web_contents.h"
 
+namespace {
+
+bool IsProviderValid(const base::string16& provider) {
+  // Only allow string of 8 alphanumeric characters or less as providers.
+  // The empty string is considered valid and should be treated as if no
+  // provider were specified.
+  if (provider.length() > 8)
+    return false;
+  for (base::string16::const_iterator it = provider.begin();
+       it != provider.end(); ++it) {
+    if (!IsAsciiAlpha(*it) && !IsAsciiDigit(*it))
+      return false;
+  }
+  return true;
+}
+
+}  // namespace
+
 SearchIPCRouter::SearchIPCRouter(content::WebContents* web_contents,
                                  Delegate* delegate, scoped_ptr<Policy> policy)
     : WebContentsObserver(web_contents),
       delegate_(delegate),
       policy_(policy.Pass()),
       is_active_tab_(false) {
   DCHECK(web_contents);
   DCHECK(delegate);
   DCHECK(policy_.get());
 }
@@ skipping 114 matching lines @@
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_SearchBoxNavigate,
                         OnSearchBoxNavigate);
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_SearchBoxDeleteMostVisitedItem,
                         OnDeleteMostVisitedItem);
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_SearchBoxUndoMostVisitedDeletion,
                         OnUndoMostVisitedDeletion);
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_SearchBoxUndoAllMostVisitedDeletions,
                         OnUndoAllMostVisitedDeletions);
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_LogEvent, OnLogEvent);
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_LogImpression, OnLogImpression);
+    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_LogNavigation, OnLogNavigation);
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_PasteAndOpenDropdown,
                         OnPasteAndOpenDropDown);
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_ChromeIdentityCheck,
                         OnChromeIdentityCheck);
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void SearchIPCRouter::OnInstantSupportDetermined(int page_id,
@@ skipping 86 matching lines @@
   delegate_->OnInstantSupportDetermined(true);
   if (!policy_->ShouldProcessLogEvent())
     return;
 
   delegate_->OnLogEvent(event);
 }
 
 void SearchIPCRouter::OnLogImpression(int page_id,
                                       int position,
                                       const base::string16& provider) const {
-  if (!web_contents()->IsActiveEntry(page_id))
+  if (!web_contents()->IsActiveEntry(page_id) || !IsProviderValid(provider))
     return;
 
-  // Only allow string of 8 alphanumeric characters or less as providers.
-  if (provider.length() > 8)
-    return;
-  for (base::string16::const_iterator it = provider.begin();
-       it != provider.end(); ++it) {
-    if (!IsAsciiAlpha(*it) && !IsAsciiDigit(*it))
-      return;
-  }
-
   delegate_->OnInstantSupportDetermined(true);
   // Logging impressions is controlled by the same policy as logging events.
   if (!policy_->ShouldProcessLogEvent())
     return;
 
   delegate_->OnLogImpression(position, provider);
 }
 
+void SearchIPCRouter::OnLogNavigation(int page_id,
+                                      int position,
+                                      const base::string16& provider) const {
+  if (!web_contents()->IsActiveEntry(page_id) || !IsProviderValid(provider))
+    return;
+
+  delegate_->OnInstantSupportDetermined(true);
+  // Logging navigations is controlled by the same policy as logging events.
+  if (!policy_->ShouldProcessLogEvent())
+    return;
+
+  delegate_->OnLogNavigation(position, provider);
+}
+
 void SearchIPCRouter::OnPasteAndOpenDropDown(int page_id,
                                              const base::string16& text) const {
   if (!web_contents()->IsActiveEntry(page_id))
     return;
 
   delegate_->OnInstantSupportDetermined(true);
   if (!policy_->ShouldProcessPasteIntoOmnibox(is_active_tab_))
     return;
 
   delegate_->PasteIntoOmnibox(text);
@@ skipping 14 matching lines @@
 
 void SearchIPCRouter::set_delegate(Delegate* delegate) {
   DCHECK(delegate);
   delegate_ = delegate;
 }
 
 void SearchIPCRouter::set_policy(scoped_ptr<Policy> policy) {
   DCHECK(policy.get());
   policy_.reset(policy.release());
 }