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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/193449">193449</a></dd>
<dt>Author</dt> <dd>timothy@apple.com</dd>
<dt>Date</dt> <dd>2015-12-04 12:53:15 -0800 (Fri, 04 Dec 2015)</dd>
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<h3>Log Message</h3>
<pre>Merge <a href="http://trac.webkit.org/projects/webkit/changeset/188222">r188222</a>. rdar://problem/23581597</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#branchessafari601146branchSourceWebCoreChangeLog">branches/safari-601.1.46-branch/Source/WebCore/ChangeLog</a></li>
<li><a href="#branchessafari601146branchSourceWebCoreinspectorInspectorStyleSheetcpp">branches/safari-601.1.46-branch/Source/WebCore/inspector/InspectorStyleSheet.cpp</a></li>
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<h3>Diff</h3>
<a id="branchessafari601146branchSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: branches/safari-601.1.46-branch/Source/WebCore/ChangeLog (193448 => 193449)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-601.1.46-branch/Source/WebCore/ChangeLog        2015-12-04 20:53:11 UTC (rev 193448)
+++ branches/safari-601.1.46-branch/Source/WebCore/ChangeLog        2015-12-04 20:53:15 UTC (rev 193449)
</span><span class="lines">@@ -1,5 +1,23 @@
</span><span class="cx"> 2015-12-04  Timothy Hatcher  &lt;timothy@apple.com&gt;
</span><span class="cx"> 
</span><ins>+        Merge r188222. rdar://problem/23581597
+
+    2015-08-10  Devin Rousso  &lt;drousso@apple.com&gt;
+
+            Web Inspector: Invalid selectors can be applied to the stylesheet
+            https://bugs.webkit.org/show_bug.cgi?id=147230
+
+            Reviewed by Timothy Hatcher.
+
+            * inspector/InspectorStyleSheet.cpp:
+            (WebCore::isValidSelectorListString):
+            (WebCore::InspectorStyleSheet::setRuleSelector):
+            Now checks to see that the supplied selector is valid before trying to commit it to the rule.
+            (WebCore::InspectorStyleSheet::addRule):
+            (WebCore::checkStyleRuleSelector): Deleted.
+
+2015-12-04  Timothy Hatcher  &lt;timothy@apple.com&gt;
+
</ins><span class="cx">         Merge r186891. rdar://problem/23581597
</span><span class="cx"> 
</span><span class="cx">     2015-07-16  Joseph Pecoraro  &lt;pecoraro@apple.com&gt;
</span></span></pre></div>
<a id="branchessafari601146branchSourceWebCoreinspectorInspectorStyleSheetcpp"></a>
<div class="modfile"><h4>Modified: branches/safari-601.1.46-branch/Source/WebCore/inspector/InspectorStyleSheet.cpp (193448 => 193449)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-601.1.46-branch/Source/WebCore/inspector/InspectorStyleSheet.cpp        2015-12-04 20:53:11 UTC (rev 193448)
+++ branches/safari-601.1.46-branch/Source/WebCore/inspector/InspectorStyleSheet.cpp        2015-12-04 20:53:15 UTC (rev 193449)
</span><span class="lines">@@ -637,15 +637,30 @@
</span><span class="cx">     return rule-&gt;selectorText();
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+static bool isValidSelectorListString(const String&amp; selector, Document* document)
+{
+    CSSSelectorList selectorList;
+    createCSSParser(document)-&gt;parseSelector(selector, selectorList);
+    return selectorList.isValid();
+}
+
</ins><span class="cx"> bool InspectorStyleSheet::setRuleSelector(const InspectorCSSId&amp; id, const String&amp; selector, ExceptionCode&amp; ec)
</span><span class="cx"> {
</span><span class="cx">     if (!checkPageStyleSheet(ec))
</span><span class="cx">         return false;
</span><ins>+
+    // If the selector is invalid, do not proceed any further.
+    if (!isValidSelectorListString(selector, m_pageStyleSheet-&gt;ownerDocument())) {
+        ec = SYNTAX_ERR;
+        return false;
+    }
+
</ins><span class="cx">     CSSStyleRule* rule = ruleForId(id);
</span><span class="cx">     if (!rule) {
</span><span class="cx">         ec = NOT_FOUND_ERR;
</span><span class="cx">         return false;
</span><span class="cx">     }
</span><ins>+
</ins><span class="cx">     CSSStyleSheet* styleSheet = rule-&gt;parentStyleSheet();
</span><span class="cx">     if (!styleSheet || !ensureParsedDataReady()) {
</span><span class="cx">         ec = NOT_FOUND_ERR;
</span><span class="lines">@@ -671,18 +686,11 @@
</span><span class="cx">     return true;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-static bool checkStyleRuleSelector(Document* document, const String&amp; selector)
-{
-    CSSSelectorList selectorList;
-    createCSSParser(document)-&gt;parseSelector(selector, selectorList);
-    return selectorList.isValid();
-}
-
</del><span class="cx"> CSSStyleRule* InspectorStyleSheet::addRule(const String&amp; selector, ExceptionCode&amp; ec)
</span><span class="cx"> {
</span><span class="cx">     if (!checkPageStyleSheet(ec))
</span><span class="cx">         return nullptr;
</span><del>-    if (!checkStyleRuleSelector(m_pageStyleSheet-&gt;ownerDocument(), selector)) {
</del><ins>+    if (!isValidSelectorListString(selector, m_pageStyleSheet-&gt;ownerDocument())) {
</ins><span class="cx">         ec = SYNTAX_ERR;
</span><span class="cx">         return nullptr;
</span><span class="cx">     }
</span></span></pre>
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