Add support for Magento 2 OAuth 1.0a workflow and PECL oauth extension.

docker/Dockerfile

@@ -2,9 +2,11 @@ FROM php:8.2-fpm
 
 # Install SOAP
 RUN apt-get update -y \
-  && apt-get install -y libxml2-dev \
+  && apt-get install -y libxml2-dev libpcre3-dev \
   && apt-get clean -y \
-  && docker-php-ext-install soap
+  && docker-php-ext-install soap \
+  && pecl install oauth \
+  && docker-php-ext-enable oauth
 
 COPY php.ini /usr/local/etc/php/conf.d/zz-shipstream.ini
 

pub/magento2.php

@@ -0,0 +1,56 @@
+<?php
+error_reporting(E_ALL | E_STRICT);
+ini_set('display_errors', 1);
+require __DIR__.'/../app/bootstrap.php';
+
+if (isset($_SERVER['PATH_INFO']) && preg_match_all('/\w+\/\w+/', $_SERVER['PATH_INFO'], $matches)) {
+    foreach ($matches[0] as $data) {
+        list($key, $value) = explode('/', $data);
+        if ( ! isset($_GET[$key])) {
+            $_GET[$key] = $value;
+        }
+    }
+}
+
+$debug = ! empty($_GET['debug']);
+$action = $_GET['action'] ?? NULL;
+
+try {
+    $plugin = $_GET['plugin'] ?? NULL;
+    if ( ! $plugin) {
+        throw new Exception('Plugin not specified.', 400);
+    }
+    $consumerKey = $_REQUEST['oauth_consumer_key'] ?? NULL;
+    if (empty($consumerKey)) {
+        throw new Exception('oauth_consumer_key not specified.', 400);
+    }
+    $middleware = new Middleware($plugin, $debug);
+    switch ($action) {
+        case 'activate':
+            $middleware->saveCache('magento2_'.$consumerKey, $_POST, 3600);
+            $middleware->log('Magento 2 OAuth data saved.');
+            echo 'OK';
+            break;
+        case 'authenticate':
+            $oauthData = $middleware->loadCache('magento2_'.$consumerKey);
+            if (empty($oauthData)) {
+                throw new Exception('OAuth data not found.', 400);
+            }
+            $middleware->oauthHandleRedirect([
+                'oauth_consumer_key' => $oauthData['oauth_consumer_key'],
+                'oauth_consumer_secret' => $oauthData['oauth_consumer_secret'],
+                'oauth_verifier' => $oauthData['oauth_verifier'],
+            ]);
+            header("Location: {$_REQUEST['success_call_back']}");
+            $middleware->log('Magento 2 OAuth completed.');
+            break;
+    }
+} catch (Throwable $e) {
+    if (empty($middleware)) {
+        error_log($e->getMessage());
+    } else {
+        $middleware->logException($e);
+    }
+    http_response_code(400);
+    echo $e->getMessage();
+}