Measure resources from private IP addresses in public websites.

Source/core/loader/MixedContentChecker.cpp

Index: Source/core/loader/MixedContentChecker.cpp
diff --git a/Source/core/loader/MixedContentChecker.cpp b/Source/core/loader/MixedContentChecker.cpp
index b358b2e80b057487a892b41a99c280f9f871d3b9..3247dc615dfc1deb3bb7835c9a8286547b3ec4b7 100644
--- a/Source/core/loader/MixedContentChecker.cpp
+++ b/Source/core/loader/MixedContentChecker.cpp
@@ -34,6 +34,7 @@
 #include "core/frame/Settings.h"
 #include "core/frame/UseCounter.h"
 #include "core/inspector/ConsoleMessage.h"
+#include "core/loader/DocumentLoader.h"
 #include "core/loader/FrameLoader.h"
 #include "core/loader/FrameLoaderClient.h"
 #include "platform/RuntimeEnabledFeatures.h"
@@ -344,4 +345,22 @@ bool MixedContentChecker::checkFormAction(LocalFrame* frame, const KURL& url)
     return true;
 }
 
+bool MixedContentChecker::checkMixedPrivatePublic(LocalFrame* frame, const AtomicString& resourceIPAddress)

[cbentzel, 2014/09/12 15:41:10]

return bool is not being used.

Probably want to either make it void return value, or return boolean and have
caller feed that into UseCounter rather than doing it in here.

[Mike West, 2014/09/13 04:04:33]

Dropped the bool. If/when we decide to start blocking, we can add it back.

+{
+    if (!frame || !frame->document() || !frame->document()->loader())
+        return false;
+
+    KURL documentIP(ParsedURLString, "http://" + frame->document()->loader()->response().remoteIPAddress());
+    KURL resourceIP(ParsedURLString, "http://" + resourceIPAddress);
+
+    // Just count these for the moment, don't block them.
+    //
+    // FIXME: Once we know how we want to check this, adjust the platform APIs to avoid the KURL construction.
+    if (Platform::current()->isReservedIPAddress(resourceIP) && !Platform::current()->isReservedIPAddress(documentIP)) {
+        UseCounter::count(frame->document(), UseCounter::MixedContentPrivateHostnameInPublicHostname);
+        return true;
+    }
+    return false;
+}
+
 } // namespace blink