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<title>[17598] trunk/wp-includes/class-http.php: Streamline WP_Http_*::test()
  methods: Check basic SSL requirements,
  only allow filters to disable transports, not enable them after ::test()
  has failed.</title>
</head>
<body>

<div id="msg">
<dl>
<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/17598">17598</a></dd>
<dt>Author</dt> <dd>dd32</dd>
<dt>Date</dt> <dd>2011-04-05 06:09:43 +0000 (Tue, 05 Apr 2011)</dd>
</dl>

<h3>Log Message</h3>
<pre>Streamline WP_Http_*::test() methods: Check basic SSL requirements, only allow filters to disable transports, not enable them after ::test() has failed. Props mdawaffe for the initial patch. See <a href="http://trac.wordpress.org/ticket/16606">#16606</a></pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkwpincludesclasshttpphp">trunk/wp-includes/class-http.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkwpincludesclasshttpphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/class-http.php (17597 => 17598)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/class-http.php        2011-04-05 04:06:40 UTC (rev 17597)
+++ trunk/wp-includes/class-http.php        2011-04-05 06:09:43 UTC (rev 17598)
</span><span class="lines">@@ -742,19 +742,18 @@
</span><span class="cx">          * @return boolean False means this class can not be used, true means it can.
</span><span class="cx">          */
</span><span class="cx">         function test( $args = array() ) {
</span><ins>+                if ( ! function_exists( 'fsockopen' ) )
+                        return false;
+
</ins><span class="cx">                 if ( false !== ($option = get_option( 'disable_fsockopen' )) &amp;&amp; time()-$option &lt; 43200 ) // 12 hours
</span><span class="cx">                         return false;
</span><span class="cx"> 
</span><del>-                $is_ssl = isset($args['ssl']) &amp;&amp; $args['ssl'];
</del><ins>+                $is_ssl = isset( $args['ssl'] ) &amp;&amp; $args['ssl'];
</ins><span class="cx"> 
</span><del>-                if ( ! $is_ssl &amp;&amp; function_exists( 'fsockopen' ) )
-                        $use = true;
-                elseif ( $is_ssl &amp;&amp; extension_loaded('openssl') &amp;&amp; function_exists( 'fsockopen' ) )
-                        $use = true;
-                else
-                        $use = false;
</del><ins>+                if ( $is_ssl &amp;&amp; ! extension_loaded( 'openssl' ) )
+                        return false;
</ins><span class="cx"> 
</span><del>-                return apply_filters('use_fsockopen_transport', $use, $args);
</del><ins>+                return apply_filters( 'use_fsockopen_transport', true, $args );
</ins><span class="cx">         }
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="lines">@@ -925,11 +924,19 @@
</span><span class="cx">          *
</span><span class="cx">          * @return boolean False means this class can not be used, true means it can.
</span><span class="cx">          */
</span><del>-        function test($args = array()) {
-                if ( ! function_exists('fopen') || (function_exists('ini_get') &amp;&amp; true != ini_get('allow_url_fopen')) )
</del><ins>+        function test( $args = array() ) {
+                if ( ! function_exists( 'fopen' ) )
</ins><span class="cx">                         return false;
</span><span class="cx"> 
</span><del>-                return apply_filters('use_streams_transport', true, $args);
</del><ins>+                if ( ! function_exists( 'ini_get' ) || true != ini_get( 'allow_url_fopen' ) )
+                        return false;
+
+                $is_ssl = isset( $args['ssl'] ) &amp;&amp; $args['ssl'];
+
+                if ( $is_ssl &amp;&amp; ! extension_loaded( 'openssl' ) )
+                        return false;
+
+                return apply_filters( 'use_streams_transport', true, $args );
</ins><span class="cx">         }
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="lines">@@ -1308,11 +1315,19 @@
</span><span class="cx">          *
</span><span class="cx">          * @return boolean False means this class can not be used, true means it can.
</span><span class="cx">          */
</span><del>-        function test($args = array()) {
-                if ( function_exists('curl_init') &amp;&amp; function_exists('curl_exec') )
-                        return apply_filters('use_curl_transport', true, $args);
</del><ins>+        function test( $args = array() ) {
+                if ( ! function_exists( 'curl_init' ) || ! function_exists( 'curl_exec' ) )
+                        return false;
</ins><span class="cx"> 
</span><del>-                return false;
</del><ins>+                $is_ssl = isset( $args['ssl'] ) &amp;&amp; $args['ssl'];
+
+                if ( $is_ssl ) {
+                        $curl_version = curl_version();
+                        if ( ! (CURL_VERSION_SSL &amp; $curl_version['features']) ) // Does this cURL version support SSL requests?
+                                return false;
+                }
+
+                return apply_filters( 'use_curl_transport', true, $args );
</ins><span class="cx">         }
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre>
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