CABPI-364: AdobeStock UI changes

- Do not move block to another module as it is major changes because block is an api;

Author: adifucan

app/code/Magento/AdminAdobeIms/Plugin/Block/Adminhtml/SignInPlugin.php

@@ -0,0 +1,178 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+declare(strict_types=1);
+
+namespace Magento\AdminAdobeIms\Plugin\Block\Adminhtml;
+
+use Magento\AdminAdobeIms\Model\Auth;
+use Magento\AdobeIms\Block\Adminhtml\SignIn;
+use Magento\AdminAdobeIms\Service\ImsConfig;
+use Magento\AdobeImsApi\Api\ConfigInterface;
+use Magento\AdobeImsApi\Api\ConfigProviderInterface;
+use Magento\AdobeImsApi\Api\UserAuthorizedInterface;
+use Magento\Framework\Serialize\Serializer\JsonHexTag;
+
+/**
+ * Plugin to get authentication component configuration if Admin Adobe IMS is enabled
+ */
+class SignInPlugin
+{
+    /**
+     * @var ImsConfig
+     */
+    private ImsConfig $adminAdobeImsConfig;
+
+    /**
+     * @var Auth
+     */
+    private Auth $auth;
+
+    /**
+     * @var UserAuthorizedInterface
+     */
+    private UserAuthorizedInterface $userAuthorized;
+
+    /**
+     * JsonHexTag Serializer Instance
+     *
+     * @var JsonHexTag
+     */
+    private JsonHexTag $serializer;
+
+    /**
+     * @var ConfigInterface
+     */
+    private ConfigInterface $config;
+
+    /**
+     * @param ImsConfig $adminAdobeImsConfig
+     * @param Auth $auth
+     * @param UserAuthorizedInterface $userAuthorized
+     * @param JsonHexTag $serializer
+     * @param ConfigInterface $config
+     */
+    public function __construct(
+        ImsConfig $adminAdobeImsConfig,
+        Auth $auth,
+        UserAuthorizedInterface $userAuthorized,
+        JsonHexTag $serializer,
+        ConfigInterface $config
+    ) {
+        $this->adminAdobeImsConfig = $adminAdobeImsConfig;
+        $this->auth = $auth;
+        $this->userAuthorized = $userAuthorized;
+        $this->serializer = $serializer;
+        $this->config = $config;
+    }
+
+    /**
+     * Get authentication component configuration if Admin Adobe IMS is enabled
+     *
+     * @param SignIn $subject
+     * @param callable $proceed
+     * @return string
+     */
+    public function aroundGetComponentJsonConfig(SignIn $subject, callable $proceed): string
+    {
+        if (!$this->adminAdobeImsConfig->enabled()) {
+            return $proceed();
+        }
+
+        return $this->serializer->serialize(
+            array_replace_recursive(
+                $this->getDefaultComponentConfig($subject),
+                ...$this->getExtendedComponentConfig($subject)
+            )
+        );
+    }
+
+    /**
+     * Get default UI component configuration
+     *
+     * @param SignIn $subject
+     * @return array
+     */
+    private function getDefaultComponentConfig(SignIn $subject): array
+    {
+        return [
+            'component' => SignIn::ADOBE_IMS_JS_SIGNIN,
+            'template' => SignIn::ADOBE_IMS_SIGNIN,
+            'profileUrl' => $subject->getUrl(SignIn::ADOBE_IMS_USER_PROFILE),
+            'logoutUrl' => $subject->getUrl(SignIn::ADOBE_IMS_USER_LOGOUT),
+            'user' => $this->getUserData(),
+            'isGlobalSignInEnabled' => true,
+            'loginConfig' => [
+                'url' => $this->config->getAuthUrl(),
+                'callbackParsingParams' => [
+                    'regexpPattern' => SignIn::RESPONSE_REGEXP_PATTERN,
+                    'codeIndex' => SignIn::RESPONSE_CODE_INDEX,
+                    'messageIndex' => SignIn::RESPONSE_MESSAGE_INDEX,
+                    'successCode' => SignIn::RESPONSE_SUCCESS_CODE,
+                    'errorCode' => SignIn::RESPONSE_ERROR_CODE
+                ]
+            ]
+        ];
+    }
+
+    /**
+     * Get UI component configuration extension specified in layout configuration for block instance
+     *
+     * @param SignIn $subject
+     * @return array
+     */
+    private function getExtendedComponentConfig(SignIn $subject): array
+    {
+        $configProviders = $subject->getData(SignIn::DATA_ARGUMENT_KEY_CONFIG_PROVIDERS);
+        if (empty($configProviders)) {
+            return [];
+        }
+
+        $configExtensions = [];
+        foreach ($configProviders as $configProvider) {
+            if ($configProvider instanceof ConfigProviderInterface) {
+                $configExtensions[] = $configProvider->get();
+            }
+        }
+        return $configExtensions;
+    }
+
+    /**
+     * Get user profile information
+     *
+     * @return array
+     */
+    private function getUserData(): array
+    {
+        if (!$this->userAuthorized->execute()) {
+            return $this->getDefaultUserData();
+        }
+
+        $user = $this->auth->getUser();
+
+        return [
+            'isAuthorized' => true,
+            'name' => $user->getFirstName() . ' ' . $user->getLastName(),
+            'email' => $user->getEmail(),
+            'image' => ''
+        ];
+    }
+
+    /**
+     * Get default user data for not authenticated or missing user profile
+     *
+     * @return array
+     */
+    private function getDefaultUserData(): array
+    {
+        return [
+            'isAuthorized' => false,
+            'name' => '',
+            'email' => '',
+            'image' => '',
+        ];
+    }
+}