From 8538d9e43e687d5b0ebcae64dd24256590d89468 Mon Sep 17 00:00:00 2001
From: Nicolas Eeckeloo <neeckeloo@gmail.com>
Date: Fri, 22 Jan 2016 11:09:08 +0100
Subject: [PATCH] Initial commit

---
 .gitignore            |   2 +
 composer.json         |  41 +++++++++++++++++
 phpunit.xml.dist      |  24 ++++++++++
 src/Adapter.php       | 101 ++++++++++++++++++++++++++++++++++++++++++
 src/OAuth2Result.php  |  29 ++++++++++++
 tests/AdapterTest.php |  42 ++++++++++++++++++
 tests/bootstrap.php   |  13 ++++++
 7 files changed, 252 insertions(+)
 create mode 100644 .gitignore
 create mode 100755 composer.json
 create mode 100644 phpunit.xml.dist
 create mode 100644 src/Adapter.php
 create mode 100644 src/OAuth2Result.php
 create mode 100644 tests/AdapterTest.php
 create mode 100644 tests/bootstrap.php

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3a9875b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/vendor/
+composer.lock
diff --git a/composer.json b/composer.json
new file mode 100755
index 0000000..c54ed26
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,41 @@
+{
+    "name": "riskio/zf-authentication-auth0",
+    "description": "Auth0 authentication for Zend Framework 2",
+    "type": "library",
+    "keywords": [
+        "zf2",
+        "authentication",
+        "oauth"
+    ],
+    "homepage": "https://github.com/riskio/zf-authentication-auth0",
+    "authors": [
+        {
+            "name": "Nicolas Eeckeloo",
+            "email": "neeckeloo@gmail.com"
+        }
+    ],
+    "repositories": [
+        {
+            "type": "composer",
+            "url": "http://packages.riskio.fr"
+        }
+    ],
+    "require": {
+        "php": ">=5.5",
+        "riskio/oauth2-auth0": "~0.1",
+        "zendframework/zend-authentication": "~2.5"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "~4.7"
+    },
+    "autoload": {
+        "psr-4": {
+            "Riskio\\Authentication\\Auth0\\": "src/"
+        }
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "Riskio\\Authentication\\Auth0\\": "tests/"
+        }
+    }
+}
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
new file mode 100644
index 0000000..84647a6
--- /dev/null
+++ b/phpunit.xml.dist
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<phpunit backupGlobals="false"
+         backupStaticAttributes="false"
+         colors="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         processIsolation="false"
+         stopOnFailure="false"
+         syntaxCheck="false"
+         bootstrap="./tests/bootstrap.php">
+    <testsuites>
+        <testsuite name="Auth0 Authentication Test Suite">
+            <directory>./tests</directory>
+        </testsuite>
+    </testsuites>
+
+    <filter>
+        <whitelist>
+            <directory suffix=".php">src</directory>
+        </whitelist>
+    </filter>
+</phpunit>
\ No newline at end of file
diff --git a/src/Adapter.php b/src/Adapter.php
new file mode 100644
index 0000000..a150bf3
--- /dev/null
+++ b/src/Adapter.php
@@ -0,0 +1,101 @@
+<?php
+namespace Riskio\Authentication\Auth0;
+
+use Exception;
+use League\OAuth2\Client\Grant\AuthorizationCode;
+use League\OAuth2\Client\Provider\ProviderInterface;
+use Riskio\Authentication\Auth0\OAuth2Result;
+use Zend\Authentication\Adapter\AdapterInterface;
+
+class Adapter implements AdapterInterface
+{
+    /**
+     * @var ProviderInterface
+     */
+    private $oauthProvider;
+
+    /**
+     * @var string
+     */
+    private $code;
+
+    /**
+     * @param ProviderInterface $oauthProvider
+     */
+    public function __construct(ProviderInterface $oauthProvider)
+    {
+        $this->oauthProvider = $oauthProvider;
+    }
+
+    /**
+     * @param string $code
+     */
+    public function setCode($code)
+    {
+        $this->code = (string) $code;
+    }
+
+    /**
+     * @return string
+     */
+    public function getCode()
+    {
+        return $this->code;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function authenticate()
+    {
+        if (empty($this->code)) {
+            return new OAuth2Result(
+                OAuth2Result::FAILURE_CREDENTIAL_INVALID,
+                null,
+                ['No code specified']
+            );
+        }
+
+        try {
+            $token = $this->getAccessToken();
+
+            /* @var $user \League\OAuth2\Client\Entity\User */
+            $user = $this->oauthProvider->getUserDetails($token);
+            if (!$user) {
+                return new OAuth2Result(
+                    OAuth2Result::FAILURE_IDENTITY_NOT_FOUND,
+                    $this->code,
+                    [
+                        sprintf(
+                            'Failed to retrieve user related to access token "%s"',
+                            $token
+                        )
+                    ]
+                );
+            }
+
+            $result = new OAuth2Result(OAuth2Result::SUCCESS, $user);
+            $result->setAccessToken($token);
+
+            return $result;
+        } catch (Exception $e) {
+            return new OAuth2Result(
+                OAuth2Result::FAILURE_CREDENTIAL_INVALID,
+                $this->code,
+                [$e->getMessage()]
+            );
+        }
+    }
+
+    /**
+     * @return \League\OAuth2\Client\Token\AccessToken
+     */
+    private function getAccessToken()
+    {
+        $grant = new AuthorizationCode();
+
+        return $this->oauthProvider->getAccessToken($grant, [
+            'code' => $this->code,
+        ]);
+    }
+}
diff --git a/src/OAuth2Result.php b/src/OAuth2Result.php
new file mode 100644
index 0000000..fe96e1b
--- /dev/null
+++ b/src/OAuth2Result.php
@@ -0,0 +1,29 @@
+<?php
+namespace Riskio\Authentication\Auth0;
+
+use League\OAuth2\Client\Token\AccessToken;
+use Zend\Authentication\Result;
+
+class OAuth2Result extends Result
+{
+    /**
+     * @var AccessToken
+     */
+    protected $accessToken;
+
+    /**
+     * @param AccessToken $accessToken
+     */
+    public function setAccessToken(AccessToken $accessToken)
+    {
+        $this->accessToken = $accessToken;
+    }
+
+    /**
+     * @return AccessToken
+     */
+    public function getAccessToken()
+    {
+        return $this->accessToken;
+    }
+}
diff --git a/tests/AdapterTest.php b/tests/AdapterTest.php
new file mode 100644
index 0000000..f07a89f
--- /dev/null
+++ b/tests/AdapterTest.php
@@ -0,0 +1,42 @@
+<?php
+namespace Riskio\Authentication\Auth0;
+
+use League\OAuth2\Client\Entity\User;
+use League\OAuth2\Client\Grant\AuthorizationCode;
+use League\OAuth2\Client\Provider\ProviderInterface;
+use League\OAuth2\Client\Token\AccessToken;
+use Prophecy\Argument;
+
+class AdapterTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @test
+     */
+    public function authenticate_GivenCodeAndValidIdentity_ShouldReturnSuccessResult()
+    {
+        $code  = 'foo';
+        $token = $this->prophesize(AccessToken::class);
+        $user  = new User();
+        $providerMock = $this->getOauthProvider($token, $user);
+        $adapter = new Adapter($providerMock->reveal());
+        $adapter->setCode($code);
+
+        $result = $adapter->authenticate();
+
+        $this->assertInstanceOf(OAuth2Result::class, $result);
+        $this->assertEquals(OAuth2Result::SUCCESS, $result->getCode());
+        $this->assertInstanceOf(AccessToken::class, $result->getAccessToken());
+        $this->assertEquals($user, $result->getIdentity());
+    }
+
+    private function getOauthProvider($token, $user)
+    {
+        $providerMock = $this->prophesize(ProviderInterface::class);
+        $providerMock
+            ->getAccessToken(Argument::type(AuthorizationCode::class), Argument::type('array'))
+            ->willReturn($token->reveal());
+        $providerMock->getUserDetails(Argument::type(AccessToken::class))->willReturn($user);
+
+        return $providerMock;
+    }
+}
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
new file mode 100644
index 0000000..2a4c9d2
--- /dev/null
+++ b/tests/bootstrap.php
@@ -0,0 +1,13 @@
+<?php
+chdir(__DIR__);
+$previousDir = '.';
+while (!is_dir($previousDir . DIRECTORY_SEPARATOR . 'vendor')) {
+    $appRoot = dirname(getcwd());
+    if ($previousDir === $appRoot) {
+        throw new RuntimeException('Unable to locate application root');
+    }
+    $previousDir = $appRoot;
+    chdir($appRoot);
+}
+// Load composer autoloader
+require_once $appRoot . '/vendor/autoload.php';