chore: drop support for 7.3 and below

.github/sync-repo-settings.yaml

@@ -5,15 +5,12 @@ branchProtectionRules:
 - pattern: master
   isAdminEnforced: true
   requiredStatusCheckContexts:
-    - 'PHP 5.6 Unit Test'
-    - 'PHP 5.6 --prefer-lowest Unit Test'
-    - 'PHP 7.0 Unit Test'
-    - 'PHP 7.1 Unit Test'
-    - 'PHP 7.2 Unit Test'
-    - 'PHP 7.3 Unit Test'
     - 'PHP 7.4 Unit Test'
+    - 'PHP 7.4 --prefer-lowest Unit Test'
     - 'PHP 8.0 Unit Test'
-    - 'PHP 8.0 --prefer-lowest Unit Test'
+    - 'PHP 8.1 Unit Test'
+    - 'PHP 8.2 Unit Test'
+    - 'PHP 8.2 --prefer-lowest Unit Test'
     - 'PHP Style Check'
     - 'cla/google'
   requiredApprovingReviewCount: 1

.github/workflows/asset-release.yml

@@ -10,7 +10,7 @@ jobs:
         strategy:
             matrix:
                 operating-system: [ ubuntu-latest ]
-                php: [ "5.6", "7.0", "7.4", "8.0" ]
+                php: [ "7.4", "8.0", "8.2" ]
 
         name: Upload Release Assets
         steps:

.github/workflows/docs.yml

@@ -18,7 +18,7 @@ jobs:
             max_attempts: 3
             command: composer install
         - name: Generate and Push Documentation
-          uses: docker://php:7.3-cli
+          uses: docker://php:7.4-cli
           env:
             GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
           with:

.github/workflows/tests.yml

@@ -11,12 +11,12 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                php: [ "5.6", "7.0", "7.1", "7.2", "7.3", "7.4", "8.0", "8.1", "8.2" ]
+                php: [ "7.4", "8.0", "8.1", "8.2" ]
                 composer-flags: [""]
                 include:
-                  - php: "5.6"
+                  - php: "7.4"
                     composer-flags: "--prefer-lowest "
-                  - php: "8.0"
+                  - php: "8.2"
                     composer-flags: "--prefer-lowest "
         name: PHP ${{ matrix.php }} ${{ matrix.composer-flags }}Unit Test
         steps:
@@ -26,14 +26,11 @@ jobs:
               with:
                 php-version: ${{ matrix.php }}
             - name: Install Dependencies
-              uses: nick-invision/retry@v1
+              uses: nick-invision/retry@v2
               with:
                 timeout_minutes: 10
                 max_attempts: 3
                 command: composer update ${{ matrix.composer-flags }}
-            - if: ${{ matrix.php == '8.0' && matrix.composer-flags == '--prefer-lowest ' }}
-              name: Update guzzlehttp/ringphp dependency
-              run: composer update guzzlehttp/ringphp
             - name: Run Script
               run: vendor/bin/phpunit
 
@@ -45,9 +42,9 @@ jobs:
             - name: Setup PHP
               uses: shivammathur/setup-php@v2
               with:
-                php-version: "7.3"
+                php-version: "7.4"
             - name: Install Dependencies
-              uses: nick-invision/retry@v1
+              uses: nick-invision/retry@v2
               with:
                 timeout_minutes: 10
                 max_attempts: 3

README.md

@@ -25,7 +25,7 @@ For Google Cloud Platform APIs such as [Datastore][cloud-datastore], [Cloud Stor
 [cloud-compute]: https://github.com/googleapis/google-cloud-php-compute
 
 ## Requirements ##
-* [PHP 5.6.0 or higher](https://www.php.net/)
+* [PHP 7.4 or higher](https://www.php.net/)
 
 ## Developer Documentation ##
 

composer.json

@@ -6,25 +6,24 @@
     "homepage": "http://developers.google.com/api-client-library/php",
     "license": "Apache-2.0",
     "require": {
-        "php": "^5.6|^7.0|^8.0",
-        "google/auth": "^1.10",
+        "php": "^7.4|^8.0",
+        "google/auth": "^1.26",
         "google/apiclient-services": "~0.200",
-        "firebase/php-jwt": "~2.0||~3.0||~4.0||~5.0||~6.0",
-        "monolog/monolog": "^1.17||^2.0||^3.0",
-        "phpseclib/phpseclib": "~2.0||^3.0.2",
-        "guzzlehttp/guzzle": "~5.3.3||~6.0||~7.0",
+        "firebase/php-jwt": "~6.0",
+        "monolog/monolog": "^2.9||^3.0",
+        "phpseclib/phpseclib": "^3.0.2",
+        "guzzlehttp/guzzle": "~6.5||~7.0",
         "guzzlehttp/psr7": "^1.8.4||^2.2.1"
     },
     "require-dev": {
         "squizlabs/php_codesniffer": "^3.0",
         "symfony/dom-crawler": "~2.1",
         "symfony/css-selector": "~2.1",
-        "cache/filesystem-adapter": "^0.3.2|^1.1",
+        "cache/filesystem-adapter": "^1.1",
         "phpcompatibility/php-compatibility": "^9.2",
         "composer/composer": "^1.10.22",
-        "yoast/phpunit-polyfills": "^1.0",
-        "phpspec/prophecy-phpunit": "^1.1||^2.0",
-        "phpunit/phpunit": "^5.7.21 || ^6.0 || ^7.0 || ^8.0 || ^9.0"
+        "phpspec/prophecy-phpunit": "^2.0",
+        "phpunit/phpunit": "^9.5"
     },
     "suggest": {
         "cache/filesystem-adapter": "For caching certs and tokens (using Google\\Client::setCache)"

phpstan.neon.dist

@@ -3,6 +3,3 @@ parameters:
     level: 5
     paths:
     - src
-    excludePaths:
-    - src/AuthHandler/Guzzle5AuthHandler.php
-

phpunit.xml.dist

@@ -1,19 +1,16 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/9.2/phpunit.xsd"
-         colors="true"
-         bootstrap="tests/bootstrap.php">
-    <testsuites>
-        <testsuite name="Google PHP Client Unit Test Suite">
-            <directory>tests/Google</directory>
-        </testsuite>
-        <testsuite name="Google PHP Client Examples Test Suite">
-            <directory>tests/examples</directory>
-        </testsuite>
-    </testsuites>
-    <filter>
-        <whitelist>
-            <directory suffix=".php">./src</directory>
-        </whitelist>
-    </filter>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd" colors="true" bootstrap="tests/bootstrap.php">
+  <coverage>
+    <include>
+      <directory suffix=".php">./src</directory>
+    </include>
+  </coverage>
+  <testsuites>
+    <testsuite name="Google PHP Client Unit Test Suite">
+      <directory>tests/Google</directory>
+    </testsuite>
+    <testsuite name="Google PHP Client Examples Test Suite">
+      <directory>tests/examples</directory>
+    </testsuite>
+  </testsuites>
 </phpunit>

src/AccessToken/Verify.php

@@ -23,6 +23,7 @@
 use Exception;
 use ExpiredException;
 use Firebase\JWT\ExpiredException as ExpiredExceptionV3;
+use Firebase\JWT\JWT;
 use Firebase\JWT\Key;
 use Firebase\JWT\SignatureInvalidException;
 use Google\Auth\Cache\MemoryCacheItemPool;
@@ -31,8 +32,9 @@
 use GuzzleHttp\ClientInterface;
 use InvalidArgumentException;
 use LogicException;
+use phpseclib3\Crypt\AES;
 use phpseclib3\Crypt\PublicKeyLoader;
-use phpseclib3\Crypt\RSA\PublicKey; // Firebase v2
+use phpseclib3\Math\BigInteger;
 use Psr\Cache\CacheItemPoolInterface;
 
 /**
@@ -219,101 +221,43 @@ private function getFederatedSignOnCerts()
 
     private function getJwtService()
     {
-        $jwtClass = 'JWT';
-        if (class_exists('\Firebase\JWT\JWT')) {
-            $jwtClass = 'Firebase\JWT\JWT';
-        }
-
-        if (property_exists($jwtClass, 'leeway') && $jwtClass::$leeway < 1) {
+        $jwt = new JWT();
+        if ($jwt::$leeway < 1) {
             // Ensures JWT leeway is at least 1
             // @see https://github.com/google/google-api-php-client/issues/827
-            $jwtClass::$leeway = 1;
+            $jwt::$leeway = 1;
         }
 
-        // @phpstan-ignore-next-line
-        return new $jwtClass();
+        return $jwt;
     }
 
     private function getPublicKey($cert)
     {
-        $bigIntClass = $this->getBigIntClass();
-        $modulus = new $bigIntClass($this->jwt->urlsafeB64Decode($cert['n']), 256);
-        $exponent = new $bigIntClass($this->jwt->urlsafeB64Decode($cert['e']), 256);
+        $modulus = new BigInteger($this->jwt->urlsafeB64Decode($cert['n']), 256);
+        $exponent = new BigInteger($this->jwt->urlsafeB64Decode($cert['e']), 256);
         $component = ['n' => $modulus, 'e' => $exponent];
 
-        if (class_exists('phpseclib3\Crypt\RSA\PublicKey')) {
-            /** @var PublicKey $loader */
-            $loader = PublicKeyLoader::load($component);
-
-            return $loader->toString('PKCS8');
-        }
-
-        $rsaClass = $this->getRsaClass();
-        $rsa = new $rsaClass();
-        $rsa->loadKey($component);
-
-        return $rsa->getPublicKey();
-    }
-
-    private function getRsaClass()
-    {
-        if (class_exists('phpseclib3\Crypt\RSA')) {
-            return 'phpseclib3\Crypt\RSA';
-        }
-
-        if (class_exists('phpseclib\Crypt\RSA')) {
-            return 'phpseclib\Crypt\RSA';
-        }
+        $loader = PublicKeyLoader::load($component);
 
-        return 'Crypt_RSA';
-    }
-
-    private function getBigIntClass()
-    {
-        if (class_exists('phpseclib3\Math\BigInteger')) {
-            return 'phpseclib3\Math\BigInteger';
-        }
-
-        if (class_exists('phpseclib\Math\BigInteger')) {
-            return 'phpseclib\Math\BigInteger';
-        }
-
-        return 'Math_BigInteger';
-    }
-
-    private function getOpenSslConstant()
-    {
-        if (class_exists('phpseclib3\Crypt\AES')) {
-            return 'phpseclib3\Crypt\AES::ENGINE_OPENSSL';
-        }
-
-        if (class_exists('phpseclib\Crypt\RSA')) {
-            return 'phpseclib\Crypt\RSA::MODE_OPENSSL';
-        }
-
-        if (class_exists('Crypt_RSA')) {
-            return 'CRYPT_RSA_MODE_OPENSSL';
-        }
-
-        throw new Exception('Cannot find RSA class');
+        return $loader->toString('PKCS8');
     }
 
     /**
-   * phpseclib calls "phpinfo" by default, which requires special
-   * whitelisting in the AppEngine VM environment. This function
-   * sets constants to bypass the need for phpseclib to check phpinfo
-   *
-   * @see phpseclib/Math/BigInteger
-   * @see https://github.com/GoogleCloudPlatform/getting-started-php/issues/85
-   */
+     * phpseclib calls "phpinfo" by default, which requires special
+     * whitelisting in the AppEngine VM environment. This function
+     * sets constants to bypass the need for phpseclib to check phpinfo
+     *
+     * @see phpseclib/Math/BigInteger
+     * @see https://github.com/GoogleCloudPlatform/getting-started-php/issues/85
+     */
     private function setPhpsecConstants()
     {
         if (filter_var(getenv('GAE_VM'), FILTER_VALIDATE_BOOLEAN)) {
             if (!defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) {
                 define('MATH_BIGINTEGER_OPENSSL_ENABLED', true);
             }
             if (!defined('CRYPT_RSA_MODE')) {
-                define('CRYPT_RSA_MODE', constant($this->getOpenSslConstant()));
+                define('CRYPT_RSA_MODE', AES::ENGINE_OPENSSL);
             }
         }
     }

src/AuthHandler/AuthHandlerFactory.php

@@ -25,7 +25,7 @@ class AuthHandlerFactory
     /**
      * Builds out a default http handler for the installed version of guzzle.
      *
-     * @return Guzzle5AuthHandler|Guzzle6AuthHandler|Guzzle7AuthHandler
+     * @return Guzzle6AuthHandler|Guzzle7AuthHandler
      * @throws Exception
      */
     public static function build($cache = null, array $cacheConfig = [])
@@ -38,8 +38,6 @@ public static function build($cache = null, array $cacheConfig = [])
         }
 
         switch ($guzzleVersion) {
-            case 5:
-                return new Guzzle5AuthHandler($cache, $cacheConfig);
             case 6:
                 return new Guzzle6AuthHandler($cache, $cacheConfig);
             case 7: