refactor: compat php 5.6 & wellknown (#3)

* refactor: wider php compat

* feat : wellknown implementation

* refactor: well known not responsible for making http requests

Author: hschoenenberger

.gitattributes

@@ -5,4 +5,4 @@
 /tests/ export-ignore
 /.gitignore export-ignore
 /phpunit.xml.dist export-ignore
-/README.md export-ignore
+#/README.md export-ignore

.github/workflows/php.yml

@@ -2,20 +2,31 @@ name: PHP tests
 on: [push, pull_request]
 jobs:
   php-linter:
-    name: PHP Syntax check 7.2|7.3|8.0|8.1
+    name: PHP Syntax check 5.6|7.2|8.0|8.1
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v3
 
+      - name: PHP syntax checker 5.6
+        uses: prestashop/github-action-php-lint/5.6@master
+        with:
+          folder-to-exclude: "! -path \"./vendor/*\" ! -path \"./tests/*\""
+
       - name: PHP syntax checker 7.2
         uses: prestashop/github-action-php-lint/7.2@master
+        with:
+          folder-to-exclude: "! -path \"./vendor/*\" ! -path \"./tests/*\""
 
       - name: PHP syntax checker 8.0
         uses: prestashop/github-action-php-lint/8.0@master
+        with:
+          folder-to-exclude: "! -path \"./vendor/*\" ! -path \"./tests/*\""
 
       - name: PHP syntax checker 8.1
         uses: prestashop/github-action-php-lint/8.1@master
+        with:
+          folder-to-exclude: "! -path \"./vendor/*\" ! -path \"./tests/*\""
 
   php-cs-fixer:
     name: PHP-CS-Fixer

README.md

@@ -2,6 +2,14 @@
 
 This package provides PrestaShop OAuth 2.0 support for the PHP League's [OAuth 2.0 Client](https://github.com/thephpleague/oauth2-client).
 
+[![Source Code](https://img.shields.io/badge/source-PrestaShopCorp/oauth2--prestashop-blue.svg?style=flat-square)](https://github.com/PrestaShopCorp/oauth2-prestashop)
+[![Latest Version](https://img.shields.io/github/release/PrestaShopCorp/oauth2-prestashop.svg?style=flat-square)](https://github.com/PrestaShopCorp/oauth2-prestashop/releases)
+[![Software License](https://img.shields.io/badge/license-MIT-brightgreen.svg?style=flat-square)](https://github.com/PrestaShopCorp/oauth2-prestashop/blob/main/LICENSE)
+[![Build Status](https://img.shields.io/github/actions/workflow/status/PrestaShopCorp/oauth2-prestashop/.github/workflows/php.yml?label=CI&logo=github&style=flat-square)](https://github.com/PrestaShopCorp/oauth2-prestashop/actions?query=workflow%3ACI)
+[![Total Downloads](https://img.shields.io/packagist/dt/PrestaShopCorp/oauth2-prestashop.svg?style=flat-square)](https://packagist.org/packages/prestashopcorp/oauth2-prestashop)
+
+---
+
 ## Installation
 
 ```

composer.json

@@ -20,7 +20,7 @@
         "authentication"
     ],
     "require": {
-        "php": ">=7.1",
+        "php": ">=5.6",
         "league/oauth2-client": "^2.0"
     },
     "require-dev": {

src/Provider/LogoutTrait.php

@@ -12,9 +12,9 @@ trait LogoutTrait
     /**
      * @return string
      */
-    public function getBaseSessionLogoutUrl(): string
+    public function getBaseSessionLogoutUrl()
     {
-        return 'https://oauth.prestashop.com/oauth2/sessions/logout';
+        return $this->getWellKnown()->end_session_endpoint;
     }
 
     /**
@@ -26,7 +26,7 @@ public function getBaseSessionLogoutUrl(): string
      *
      * @throws \Exception
      */
-    public function getLogoutUrl(array $options = []): string
+    public function getLogoutUrl(array $options = [])
     {
         $base = $this->getBaseSessionLogoutUrl();
         $params = $this->getLogoutParameters($options);
@@ -42,7 +42,7 @@ public function getLogoutUrl(array $options = []): string
      *
      * @throws \Exception
      */
-    protected function getLogoutParameters(array $options): array
+    protected function getLogoutParameters(array $options)
     {
         if (empty($options['id_token_hint'])) {
             // $options['id_token_hint'] = $this->getSessionAccessToken()->getValues()['id_token'];
@@ -67,7 +67,7 @@ protected function getLogoutParameters(array $options): array
      *
      * @return string Query string
      */
-    protected function getLogoutQuery(array $params): string
+    protected function getLogoutQuery(array $params)
     {
         return $this->buildQueryString($params);
     }

src/Provider/PrestaShop.php

@@ -52,40 +52,111 @@ class PrestaShop extends AbstractProvider
      */
     protected $uiLocales;
 
+    /**
+     * @var WellKnown
+     */
+    protected $wellKnown;
+
+    /**
+     * @var bool
+     */
+    protected $verify = true;
+
+    /**
+     * @param array $options
+     * @param array $collaborators
+     *
+     * @throws \Exception
+     */
+    public function __construct(array $options = [], array $collaborators = [])
+    {
+        parent::__construct($options, $collaborators);
+    }
+
+    /**
+     * @return string
+     */
+    public function getOauth2Url()
+    {
+        return 'https://oauth.prestashop.com';
+    }
+
+    /**
+     * @return WellKnown
+     */
+    public function getWellKnown()
+    {
+        /* @phpstan-ignore-next-line */
+        if (!isset($this->wellKnown)) {
+            try {
+                $this->wellKnown = new WellKnown(
+                    $this->fetchWellKnown($this->getOauth2Url(), $this->verify)
+                );
+            } catch (\Error $e) {
+            } catch (\Exception $e) {
+            }
+            if (isset($e)) {
+                $this->wellKnown = new WellKnown();
+            }
+        }
+
+        return $this->wellKnown;
+    }
+
+    /**
+     * @param string $url
+     * @param bool $secure
+     *
+     * @return array
+     *
+     * @throws \Exception
+     */
+    protected function fetchWellKnown($url, $secure = true)
+    {
+        $wellKnownUrl = $url;
+        if (strpos($wellKnownUrl, '/.well-known') === false) {
+            $wellKnownUrl = preg_replace('/\/?$/', '/.well-known/openid-configuration', $wellKnownUrl);
+        }
+
+        $response = $this->getResponse($this->getRequest('GET', $wellKnownUrl));
+
+        return json_decode($response->getBody(), true);
+    }
+
     /**
      * @return string
      */
-    public function getBaseAuthorizationUrl(): string
+    public function getBaseAuthorizationUrl()
     {
-        return 'https://oauth.prestashop.com/oauth2/auth';
+        return $this->getWellKnown()->authorization_endpoint;
     }
 
     /**
      * @param array $params
      *
      * @return string
      */
-    public function getBaseAccessTokenUrl(array $params): string
+    public function getBaseAccessTokenUrl(array $params)
     {
-        return 'https://oauth.prestashop.com/oauth2/token';
+        return $this->getWellKnown()->token_endpoint;
     }
 
     /**
      * @param AccessToken $token
      *
      * @return string
      */
-    public function getResourceOwnerDetailsUrl(AccessToken $token): string
+    public function getResourceOwnerDetailsUrl(AccessToken $token)
     {
-        return 'https://oauth.prestashop.com/userinfo';
+        return $this->getWellKnown()->userinfo_endpoint;
     }
 
     /**
      * @param array $options
      *
      * @return string[]
      */
-    protected function getAuthorizationParameters(array $options): array
+    protected function getAuthorizationParameters(array $options)
     {
         if (empty($options['prompt']) && $this->prompt) {
             $options['prompt'] = $this->prompt;
@@ -107,15 +178,15 @@ protected function getAuthorizationParameters(array $options): array
     /**
      * @return string[]
      */
-    public function getDefaultScopes(): array
+    public function getDefaultScopes()
     {
         return ['openid', 'offline_access'];
     }
 
     /**
      * @return string
      */
-    protected function getScopeSeparator(): string
+    protected function getScopeSeparator()
     {
         return ' ';
     }
@@ -128,13 +199,13 @@ protected function getScopeSeparator(): string
      *
      * @throws IdentityProviderException
      */
-    protected function checkResponse(ResponseInterface $response, $data): void
+    protected function checkResponse(ResponseInterface $response, $data)
     {
         if ($response->getStatusCode() !== 200) {
             $errorDescription = '';
             $error = '';
             if (\is_array($data) && !empty($data)) {
-                $errorDescription = $data['error_description'] ?? $data['message'];
+                $errorDescription = isset($data['error_description']) ? $data['error_description'] : $data['message'];
                 $error = $data['error'];
             }
             throw new IdentityProviderException(sprintf('%d - %s: %s', $response->getStatusCode(), $error, $errorDescription), $response->getStatusCode(), $data);
@@ -147,7 +218,7 @@ protected function checkResponse(ResponseInterface $response, $data): void
      *
      * @return PrestaShopUser
      */
-    protected function createResourceOwner(array $response, AccessToken $token): PrestaShopUser
+    protected function createResourceOwner(array $response, AccessToken $token)
     {
         return new PrestaShopUser($response);
     }
@@ -159,7 +230,7 @@ protected function createResourceOwner(array $response, AccessToken $token): Pre
      *
      * @return PrestaShopUser
      */
-    public function getResourceOwner(AccessToken $token): PrestaShopUser
+    public function getResourceOwner(AccessToken $token)
     {
         /** @var PrestaShopUser $resourceOwner */
         $resourceOwner = parent::getResourceOwner($token);