LoginAsCustomer GraphQL

app/code/Magento/LoginAsCustomerGraphQl/Model/LoginAsCustomer/CreateCustomerToken.php

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+<?php
+
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\LoginAsCustomerGraphQl\Model\LoginAsCustomer;
+
+use Magento\Customer\Model\Customer;
+use Magento\Framework\Exception\LocalizedException;
+use Magento\Integration\Model\Oauth\TokenFactory;
+use Magento\Store\Model\StoreManagerInterface;
+use Magento\Framework\GraphQl\Exception\GraphQlInputException;
+
+/**
+ * Create customer token from customer email
+ *
+ * Class CreateCustomerToken
+ */
+class CreateCustomerToken
+{
+    /**
+     * @var Customer
+     */
+    private $customer;
+
+    /**
+     * @var TokenFactory
+     */
+    private $tokenModelFactory;
+
+    /**
+     * @var StoreManagerInterface
+     */
+    private $storeManager;
+
+    /**
+     * CreateCustomerToken constructor.
+     * @param StoreManagerInterface $storeManager
+     * @param TokenFactory $tokenModelFactory
+     * @param Customer $customer
+     */
+    public function __construct(
+        StoreManagerInterface $storeManager,
+        TokenFactory $tokenModelFactory,
+        Customer $customer
+    ) {
+        $this->storeManager = $storeManager;
+        $this->tokenModelFactory = $tokenModelFactory;
+        $this->customer= $customer;
+    }
+
+    /**
+     * @param string $email
+     * @return array
+     * @throws LocalizedException
+     */
+    public function execute(string $email)
+    {
+        $websiteID = $this->storeManager->getStore()->getWebsiteId();
+        $this->customer->setWebsiteId($websiteID)->loadByEmail($email);
+
+        /* Check if customer email exist */
+        if (!$this->customer->getId()) {
+            throw new GraphQlInputException(
+                __('Customer email provided does not exist')
+            );
+        }
+
+        $customerId = $this->customer->getId();
+        $customerToken = $this->tokenModelFactory->create();
+        return [
+            "customer_token" => $customerToken->createCustomerToken($customerId)->getToken()
+        ];
+    }
+}

app/code/Magento/LoginAsCustomerGraphQl/Model/Resolver/RequestCustomerToken.php

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+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\LoginAsCustomerGraphQl\Model\Resolver;
+
+use Magento\Framework\AuthorizationInterface;
+use Magento\Framework\Exception\LocalizedException;
+use Magento\Framework\Exception\NoSuchEntityException;
+use Magento\Framework\GraphQl\Config\Element\Field;
+use Magento\Framework\GraphQl\Exception\GraphQlAuthorizationException;
+use Magento\Framework\GraphQl\Exception\GraphQlNoSuchEntityException;
+use Magento\Framework\GraphQl\Query\Resolver\ContextInterface;
+use Magento\Framework\GraphQl\Query\Resolver\Value;
+use Magento\Framework\GraphQl\Query\ResolverInterface;
+use Magento\Framework\GraphQl\Schema\Type\ResolveInfo;
+use Magento\LoginAsCustomerApi\Api\ConfigInterface;
+use Magento\LoginAsCustomerGraphQl\Model\LoginAsCustomer\CreateCustomerToken;
+
+/**
+ * Gets customer token
+ *
+ * Class RequestCustomerToken
+ */
+class RequestCustomerToken implements ResolverInterface
+{
+    /**
+     * @var ConfigInterface
+     */
+    private $config;
+
+    /**
+     * @var AuthorizationInterface
+     */
+    private $authorization;
+
+    /**
+     * @var CreateCustomerToken
+     */
+    private $createCustomerToken;
+
+    /**
+     * RequestCustomerToken constructor.
+     * @param AuthorizationInterface $authorization
+     * @param ConfigInterface $config
+     * @param CreateCustomerToken $createCustomerToken
+     */
+    public function __construct(
+        AuthorizationInterface $authorization,
+        ConfigInterface $config,
+        CreateCustomerToken $createCustomerToken
+    ) {
+        $this->authorization = $authorization;
+        $this->config = $config;
+        $this->createCustomerToken = $createCustomerToken;
+    }
+
+    /**
+     * Get Customer Token using email
+     *
+     * @param Field $field
+     * @param ContextInterface $context
+     * @param ResolveInfo $info
+     * @param array|null $value
+     * @param array|null $args
+     * @return Value|mixed|void
+     * @throws GraphQlAuthorizationException|GraphQlNoSuchEntityException|LocalizedException
+     */
+    public function resolve(
+        Field $field,
+        $context,
+        ResolveInfo $info,
+        array $value = null,
+        array $args = null
+    ) {
+        $isAllowedLogin = $this->authorization->isAllowed('Magento_LoginAsCustomer::login');
+        $isEnabled = $this->config->isEnabled();
+
+        /* Get input params */
+        try {
+            $args = $args['input'] ?: [];
+        } catch (NoSuchEntityException $e) {
+            throw new GraphQlNoSuchEntityException(__('Check input params.'));
+        }
+
+        if (empty(trim($args['customer_email'], " "))) {
+            throw new GraphQlInputException(__('Specify the "customer email" value.'));
+        }
+
+        $this->validateUser($context);
+
+        if (!$isAllowedLogin || !$isEnabled) {
+            throw new GraphQlAuthorizationException(
+                __('Login as Customer is disabled.')
+            );
+        }
+
+        return $this->createCustomerToken->execute($args['customer_email']);
+    }
+
+    /**
+     * Check if its an admin user
+     *
+     * @param $context
+     * @throws GraphQlAuthorizationException
+     */
+    private function validateUser($context)
+    {
+        if ($context->getUserType() != 2 || $context->getUserId() == 0) {
+            throw new GraphQlAuthorizationException(__('The current customer isn\'t authorized.'));
+        }
+    }
+}

app/code/Magento/LoginAsCustomerGraphQl/README.md

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+# Module Magento LoginAsCustomerGraphQl
+
+    ``magento/module-loginascustomergraphql``
+
+ - [Main Functionalities](#markdown-header-main-functionalities)
+ - [Installation](#markdown-header-installation)
+ - [Configuration](#markdown-header-configuration)
+ - [Specifications](#markdown-header-specifications)
+ - [Attributes](#markdown-header-attributes)
+
+
+## Main Functionalities
+Flexible login as a customer so a merchant or merchant admin can log into an end customer's account to assist them with their account.
+
+## Installation
+\* = in production please use the `--keep-generated` option
+
+### Type 1: Zip file
+
+ - Unzip the zip file in `app/code/Magento`
+ - Enable the module by running `php bin/magento module:enable Magento_LoginAsCustomerGraphQl`
+ - Apply database updates by running `php bin/magento setup:upgrade`\*
+ - Flush the cache by running `php bin/magento cache:flush`
+
+### Type 2: Composer
+
+ - Make the module available in a composer repository for example:
+    - private repository `repo.magento.com`
+    - public repository `packagist.org`
+    - public github repository as vcs
+ - Add the composer repository to the configuration by running `composer config repositories.repo.magento.com composer https://repo.magento.com/`
+ - Install the module composer by running `composer require magento/module-loginascustomergraphql`
+ - enable the module by running `php bin/magento module:enable Magento_LoginAsCustomerGraphQl`
+ - apply database updates by running `php bin/magento setup:upgrade`\*
+ - Flush the cache by running `php bin/magento cache:flush`
+
+
+## Configuration
+
+
+
+
+## Specifications
+
+
+
+
+## Attributes
+
+
+

app/code/Magento/LoginAsCustomerGraphQl/composer.json

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+{
+    "name": "magento/module-loginascustomergraphql",
+    "description": "Flexible login as a customer so a merchant or merchant admin can log into an end customer's account to assist them with their account.",
+    "type": "magento2-module",
+    "require": {},
+    "version": "1.0.0",
+    "require": {
+        "php": "~7.1.3||~7.2.0||~7.3.0",
+        "magento/framework": "102.0.*"
+    },
+    "suggest": {
+        "magento/module-graph-ql": "100.3.*"
+    },
+    "license": [
+        "OSL-3.0",
+        "AFL-3.0"
+    ],
+    "autoload": {
+        "files": [
+            "registration.php"
+        ],
+        "psr-4": {
+            "Magento\\LoginAsCustomerGraphQl\\": ""
+        }
+    }
+}

app/code/Magento/LoginAsCustomerGraphQl/etc/module.xml

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+<?xml version="1.0" ?>
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
+	<module name="Magento_LoginAsCustomerGraphQl" setup_version="1.0.0">
+        <sequence>
+            <module name="Magento_Customer"/>
+            <module name="Magento_LoginAsCustomer"/>
+            <module name="Magento_Authorization"/>
+            <module name="Magento_GraphQl"/>
+        </sequence>
+    </module>
+</config>

app/code/Magento/LoginAsCustomerGraphQl/etc/schema.graphqls

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+type Mutation {
+    generateCustomerTokenAsAdmin(
+        input: GenerateCustomerTokenAsAdminInput!
+    ): GenerateCustomerTokenAsAdminOutput
+    @resolver(class: "Magento\\LoginAsCustomerGraphQl\\Model\\Resolver\\RequestCustomerToken")
+    @doc(description: "Request a token using Customer email")
+}
+
+input GenerateCustomerTokenAsAdminInput {
+    customer_email: String!
+}
+
+type GenerateCustomerTokenAsAdminOutput {
+    customer_token: String!
+}
+
+type Customer {
+    allow_remote_shopping_assistance: Boolean!
+}
+
+input CustomerCreateInput {
+    allow_remote_shopping_assistance: Boolean
+}
+
+input CustomerUpdateInput {
+    allow_remote_shopping_assistance: Boolean
+}

app/code/Magento/LoginAsCustomerGraphQl/registration.php

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+<?php
+use Magento\Framework\Component\ComponentRegistrar;
+
+ComponentRegistrar::register(ComponentRegistrar::MODULE, 'Magento_LoginAsCustomerGraphQl', __DIR__);