Added proxy support.

src/HPCloud/Bootstrap.php

@@ -211,12 +211,25 @@ class Bootstrap {
    *   the transport layer should wait for an HTTP request. A
    *   transport MAY ignore this parameter, but the ones included
    *   with the library honor it.
+   * - 'transport.ssl.verify': Set this to FALSE to turn off SSL certificate
+   *   verification. This is NOT recommended, but is sometimes necessary for
+   *   certain proxy configurations.
    * - 'account' and 'secret'
    * - 'username' and 'password'
    * - 'tenantid'
    * - 'endpoint': The full URL to identity services. This is used by stream
    *   wrappers.
    *
+   * The CURL wrapper supports proxy settings:
+   *
+   * - proxy: the proxy server URL (CURLOPT_PROXY)
+   * - proxy.userpwd: the proxy username:password (CURLOPT_PROXYUSERPWD)
+   * - proxy.auth: See CURLOPT_PROXYAUTH
+   * - proxy.port: The proxy port. (CURLOPT_PROXYPORT)
+   * - proxy.type: see CURLOPT_PROXYTYPE
+   * - proxy.tunnel: If this is set to TRUE, attempt to tunnel through the
+   *   proxy. This is recommended when using a proxy. (CURLOPT_HTTPPROXYTUNNEL)
+   *
    * @param array $array
    *   An associative array of configuration directives.
    */

src/HPCloud/Transport/CURLTransport.php

@@ -226,6 +226,22 @@ class CURLTransport implements Transporter {
       $opts[CURLOPT_SSL_VERIFYPEER] = $validate;
     }
 
+    // PROXY settings
+    $proxyMap = array(
+      'proxy' => CURLOPT_PROXY,
+      'proxy.tunnel' => CURLOPT_HTTPPROXYTUNNEL,
+      'proxy.auth' => CURLOPT_PROXYAUTH,
+      'proxy.port' => CURLOPT_PROXYPORT,
+      'proxy.type' => CURLOPT_PROXYTYPE,
+      'proxy.userpwd' => CURLOPT_USERPWD,
+    );
+    foreach ($proxyMap as $conf => $opt) {
+      if (Bootstrap::hasConfig($conf)) {
+        $val = Bootstrap::config($conf);
+        $opts[$opt] = $val;
+      }
+    }
+
 
     // Set all of the curl opts and then execute.
     curl_setopt_array($curl, $opts);
@@ -294,6 +310,7 @@ class CURLTransport implements Transporter {
     }
     curl_multi_add_handle($multi, $handle);
 
+    // Initialize all of the listeners
     $active = NULL;
     do {
       $ret = curl_multi_exec($multi, $active);