FIX Maintenance module extension now provides CWP proxy information for HTTP requests

_config/maintenance.yml

@@ -0,0 +1,13 @@
+---
+Name: maintenanceproxyextensions
+Before: updatecheckerextensions
+Only:
+  moduleexists: silverstripe-maintenance
+---
+BringYourOwnIdeas\Maintenance\Util\ComposerLoader:
+  extensions:
+    - CWP\CWP\Extension\MaintenanceProxyExtension
+
+BringYourOwnIdeas\Maintenance\Util\SupportedAddonsLoader:
+  extensions:
+    - CWP\CWP\Extension\MaintenanceProxyExtension

code/extensions/MaintenanceProxyExtension.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace CWP\CWP\Extension;
+
+use Extension;
+
+/**
+ * Used to configure proxy settings for bringyourownideas/silverstripe-maintenance and its related modules
+ *
+ * @see https://www.cwp.govt.nz/developer-docs/en/2/how_tos/external_http_requests_with_proxy
+ */
+class MaintenanceProxyExtension extends Extension
+{
+    /**
+     * Configures required environment settings for Composer's use, applies to
+     * {@link \BringYourOwnIdeas\Maintenance\Util\ComposerLoader} and is applied before ComposerLoaderExtension in
+     * bringyourownideas/silverstripe-composer-update-checker to ensure the proxy information is set before Composer
+     * is created
+     */
+    public function onAfterBuild()
+    {
+        // Provide access for Composer's StreamContextFactory, since it creates its own stream context
+        if ($proxy = $this->getCwpProxy()) {
+            $_SERVER['CGI_HTTP_PROXY'] = $proxy;
+        }
+    }
+
+    /**
+     * Provide proxy options for {@link \BringYourOwnIdeas\Maintenance\Util\ApiLoader} instances to use in
+     * their Guzzle clients
+     *
+     * @param array $options
+     */
+    public function updateClientOptions(&$options)
+    {
+        if ($proxy = $this->getCwpProxy()) {
+            $options['proxy'] = $proxy;
+        }
+    }
+
+    /**
+     * Returns a formatted CWP proxy string, e.g. `tcp://proxy.cwp.govt.nz:1234`
+     *
+     * @return string
+     */
+    protected function getCwpProxy()
+    {
+        if (!defined('SS_OUTBOUND_PROXY') || !defined('SS_OUTBOUND_PROXY_PORT')) {
+            return '';
+        }
+
+        return sprintf(
+            'tcp://%s:%d',
+            SS_OUTBOUND_PROXY,
+            SS_OUTBOUND_PROXY_PORT
+        );
+    }
+}