Validate finiteness of HTMLMediaElement properties.

Source/core/html/HTMLMediaElement.cpp

 /*
  * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 650 matching lines @@
         // 4.9 - Set the timeline offset to Not-a-Number (NaN).
         // 4.10 - Update the duration attribute to Not-a-Number (NaN).
 
 
         updateMediaController();
         if (RuntimeEnabledFeatures::videoTrackEnabled())
             updateActiveTextTrackCues(0);
     }
 
     // 5 - Set the playbackRate attribute to the value of the defaultPlaybackRate attribute.
-    setPlaybackRate(defaultPlaybackRate());
+    setPlaybackRate(defaultPlaybackRate(), IGNORE_EXCEPTION);
 
     // 6 - Set the error attribute to null and the autoplaying flag to true.
     m_error = nullptr;
     m_autoplaying = true;
 
     // 7 - Invoke the media element's resource selection algorithm.
 
     // 8 - Note: Playback of any previously playing media resource for this element stops.
 
     // The resource selection algorithm
@@ skipping 1181 matching lines @@
         return m_cachedTime;
     }
 
     refreshCachedTime();
 
     return m_cachedTime;
 }
 
 void HTMLMediaElement::setCurrentTime(double time, ExceptionState& exceptionState)
 {
+    // FIXME: generated bindings should check isfinite: http://crbug.com/354298
+    if (!std::isfinite(time)) {
+        exceptionState.throwTypeError(ExceptionMessages::notAFiniteNumber(time));
+        return;
+    }
     if (m_mediaController) {
         exceptionState.throwDOMException(InvalidStateError, "The element is slaved to a MediaController.");
         return;
     }
     seek(time, exceptionState);
 }
 
 double HTMLMediaElement::duration() const
 {
     if (!m_player || m_readyState < HAVE_METADATA)
@@ skipping 18 matching lines @@
 bool HTMLMediaElement::paused() const
 {
     return m_paused;
 }
 
 double HTMLMediaElement::defaultPlaybackRate() const
 {
     return m_defaultPlaybackRate;
 }
 
-void HTMLMediaElement::setDefaultPlaybackRate(double rate)
+void HTMLMediaElement::setDefaultPlaybackRate(double rate, ExceptionState& exceptionState)
 {
+    // FIXME: generated bindings should check isfinite: http://crbug.com/354298
+    if (!std::isfinite(rate)) {
+        exceptionState.throwTypeError(ExceptionMessages::notAFiniteNumber(rate));
+        return;
+    }
     if (m_defaultPlaybackRate != rate) {
         m_defaultPlaybackRate = rate;
         scheduleEvent(EventTypeNames::ratechange);
     }
 }
 
 double HTMLMediaElement::playbackRate() const
 {
     return m_playbackRate;
 }
 
-void HTMLMediaElement::setPlaybackRate(double rate)
+void HTMLMediaElement::setPlaybackRate(double rate, ExceptionState& exceptionState)
 {
     WTF_LOG(Media, "HTMLMediaElement::setPlaybackRate(%f)", rate);
 
+    // FIXME: generated bindings should check isfinite: http://crbug.com/354298
+    if (!std::isfinite(rate)) {
+        exceptionState.throwTypeError(ExceptionMessages::notAFiniteNumber(rate));
+        return;
+    }
+
     if (m_playbackRate != rate) {
         m_playbackRate = rate;
         invalidateCachedTime();
         scheduleEvent(EventTypeNames::ratechange);
     }
 
     if (m_player && potentiallyPlaying() && m_player->rate() != rate && !m_mediaController)
         m_player->setRate(rate);
 }
 
@@ skipping 144 matching lines @@
 
 double HTMLMediaElement::volume() const
 {
     return m_volume;
 }
 
 void HTMLMediaElement::setVolume(double vol, ExceptionState& exceptionState)
 {
     WTF_LOG(Media, "HTMLMediaElement::setVolume(%f)", vol);
 
+    // FIXME: generated bindings should check isfinite: http://crbug.com/354298
+    if (!std::isfinite(vol)) {
+        exceptionState.throwTypeError(ExceptionMessages::notAFiniteNumber(vol));
+        return;
+    }
+
     if (vol < 0.0f || vol > 1.0f) {
         exceptionState.throwDOMException(IndexSizeError, ExceptionMessages::indexOutsideRange("volume", vol, 0.0, ExceptionMessages::InclusiveBound, 1.0, ExceptionMessages::InclusiveBound));
         return;
     }
 
     if (m_volume != vol) {
         m_volume = vol;
         updateVolume();
         scheduleEvent(EventTypeNames::volumechange);
     }
@@ skipping 1547 matching lines @@
 {
     m_mediaSource->setWebMediaSourceAndOpen(adoptPtr(webMediaSource));
 }
 
 bool HTMLMediaElement::isInteractiveContent() const
 {
     return fastHasAttribute(controlsAttr);
 }
 
 }