Allow specifying a custom CA bundle

Author: wizardist

src/Client.php

@@ -1105,6 +1105,10 @@ public function getSoapResponse( $soapUrl, $content, $throwException = true ) {
         curl_setopt( $cURLHandle, CURLOPT_RETURNTRANSFER, 1 );
         curl_setopt( $cURLHandle, CURLOPT_TIMEOUT, self::$connectorTimeout );
 
+        if ( $this->settings->caPath ) {
+            curl_setopt( $cURLHandle, CURLOPT_CAINFO, $this->settings->caPath );
+        }
+
         if ( $this->settings->ignoreSslErrors ) {
           curl_setopt( $cURLHandle, CURLOPT_SSL_VERIFYPEER, 0 );
           curl_setopt( $cURLHandle, CURLOPT_SSL_VERIFYHOST, 0 );
@@ -1955,6 +1959,10 @@ private function retrieveWsdl( $wsdlUrl ) {
             curl_setopt( $wsdlCurl, CURLOPT_CONNECTTIMEOUT, self::$connectorTimeout );
             curl_setopt( $wsdlCurl, CURLOPT_TIMEOUT, self::$connectorTimeout );
 
+            if ( $this->settings->caPath ) {
+                curl_setopt( $wsdlCurl, CURLOPT_CAINFO, $this->settings->caPath );
+            }
+
             if ( $this->settings->ignoreSslErrors ) {
                 curl_setopt( $wsdlCurl, CURLOPT_SSL_VERIFYPEER, 0 );
                 curl_setopt( $wsdlCurl, CURLOPT_SSL_VERIFYHOST, 0 );

src/Settings.php

@@ -134,6 +134,13 @@ class Settings {
      */
     public $organizationVersion;
 
+    /**
+     * Path to the CA bundle.
+     *
+     * @var string
+     */
+    public $caPath;
+
     /**
      * @var bool
      */
@@ -222,6 +229,11 @@ public function __construct( $settings ) {
             $this->organizationUrl     = sprintf( '%s://%s%s/XRMServices/2011/Organization.svc', $serverUrlParts['scheme'], $serverUrlParts['host'], $urlPort );
             // loginUrl is set upon Client instantiation
         }
+
+        // Set the custom CA bundle path.
+        if ( isset( $settings['caPath'] ) && is_readable( $settings['caPath'] ) ) {
+            $this->caPath = $settings['caPath'];
+        }
     }
 
     /**