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<?php |
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namespace Softonic\OAuth2\Guzzle\Middleware; |
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use GuzzleHttp\HandlerStack as Stack; |
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use League\OAuth2\Client\Provider\AbstractProvider as OAuth2Provider; |
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use Psr\Cache\CacheItemPoolInterface as Cache; |
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class ClientBuilder |
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{ |
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public static function build( |
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OAuth2Provider $oauthProvider, |
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array $tokenOptions, |
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Cache $cache, |
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array $guzzleOptions = null |
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): \GuzzleHttp\Client { |
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$cacheHandler = new AccessTokenCacheHandler($cache); |
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$stack = static::getStack(); |
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$stack = static::addHeaderMiddlewareToStack( |
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$stack, |
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$oauthProvider, |
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$tokenOptions, |
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$cacheHandler |
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); |
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$stack = static::addRetryMiddlewareToStack( |
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$stack, |
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$oauthProvider, |
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$tokenOptions, |
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$cacheHandler |
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); |
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$defaultOptions = [ |
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'handler' => $stack, |
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]; |
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$guzzleOptions = static::mergeOptions($defaultOptions, $guzzleOptions); |
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return new \GuzzleHttp\Client($guzzleOptions); |
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} |
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private static function getStack(): Stack |
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{ |
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$stack = new Stack(); |
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$stack->setHandler(new \GuzzleHttp\Handler\CurlHandler()); |
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return $stack; |
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} |
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private static function addHeaderMiddlewareToStack( |
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Stack $stack, |
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OAuth2Provider $oauthProvider, |
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array $tokenOptions, |
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AccessTokenCacheHandler $cacheHandler |
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): Stack { |
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$addAuthorizationHeader = new AddAuthorizationHeader( |
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$oauthProvider, |
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$tokenOptions, |
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$cacheHandler |
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); |
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$stack->push(\GuzzleHttp\Middleware::mapRequest($addAuthorizationHeader)); |
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return $stack; |
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} |
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private static function addRetryMiddlewareToStack( |
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Stack $stack, |
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OAuth2Provider $oauthProvider, |
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array $tokenOptions, |
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AccessTokenCacheHandler $cacheHandler |
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): Stack { |
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$retryOnAuthorizationError = new RetryOnAuthorizationError( |
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$oauthProvider, |
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$tokenOptions, |
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$cacheHandler |
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); |
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$stack->push(\GuzzleHttp\Middleware::retry($retryOnAuthorizationError)); |
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return $stack; |
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} |
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private static function mergeOptions(array $defaultOptions, array $options = null): array |
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{ |
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$options = $options ?? []; |
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return array_merge($options, $defaultOptions); |
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} |
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} |
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Let’s assume you have a class which uses late-static binding:
}
The code above will run fine in your PHP runtime. However, if you now create a sub-class and call the
getSomeVariable()
on that sub-class, you will receive a runtime error:In the case above, it makes sense to update
SomeClass
to useself
instead: