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<?php |
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/** |
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* This file is part of the BEAR.Package package. |
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* |
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* @license http://opensource.org/licenses/MIT MIT |
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*/ |
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namespace BEAR\Package\Provide\Error; |
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use BEAR\AppMeta\AbstractAppMeta; |
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use BEAR\Package\Provide\Error\ErrorPage as CliErrorPage; |
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use BEAR\Resource\Code; |
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use BEAR\Sunday\Extension\Error\ErrorInterface; |
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use BEAR\Sunday\Extension\Router\RouterMatch as Request; |
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use BEAR\Sunday\Extension\Transfer\TransferInterface; |
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use BEAR\Sunday\Provide\Error\ErrorPage; |
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/** |
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* vnd.error for BEAR.Package |
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* |
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* @see https://github.com/blongden/vnd.error |
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*/ |
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class VndErrorHandler implements ErrorInterface |
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{ |
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/** |
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* @var int |
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*/ |
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private $code; |
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/** |
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* @var array |
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*/ |
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private $body = ['message' => '', 'logref' => '']; |
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/** |
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* @var string |
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*/ |
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private $logDir; |
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/** |
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* @var ErrorPage |
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*/ |
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private $errorPage; |
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/** |
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* @var TransferInterface |
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*/ |
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private $responder; |
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/** |
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* @var string |
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*/ |
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private $lastErrorFile; |
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/** |
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* @var ExceptionAsString |
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*/ |
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private $exceptionString; |
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public function __construct(AbstractAppMeta $appMeta, TransferInterface $responder) |
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{ |
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$this->logDir = $appMeta->logDir; |
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$this->lastErrorFile = $this->logDir . '/last_error.log'; |
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$this->responder = $responder; |
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$this->exceptionString = new ExceptionAsString; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function handle(\Exception $e, Request $request) |
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{ |
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$this->errorPage = $this->getErrorPage($e, $this->lastErrorFile); |
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$isCodeError = array_key_exists($e->getCode(), (new Code)->statusText); |
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1 |
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$code = $isCodeError ? $e->getCode() : Code::ERROR; |
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$message = $code . ' ' . (new Code)->statusText[$code]; |
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// Client error |
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if (400 <= $code && $code < 500) { |
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$this->log($e, $request); |
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$this->code = $code; |
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$this->body = [ |
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'message' => $message |
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]; |
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return $this; |
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} |
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// Server error |
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$logRef = $this->log($e, $request); |
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$this->code = $code; |
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$this->body = [ |
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'message' => $message, |
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'logref' => $logRef |
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]; |
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return $this; |
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} |
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/** |
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* @param \Exception $e |
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* @param string $lastErrorFile |
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* |
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* @return \BEAR\Package\Provide\Error\ErrorPage|ErrorPage |
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*/ |
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private function getErrorPage(\Exception $e, $lastErrorFile) |
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{ |
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return PHP_SAPI === 'cli' ? new CliErrorPage($this->exceptionString->summery($e, $lastErrorFile)) : new ErrorPage; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function transfer() |
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{ |
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$ro = $this->errorPage; |
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$ro->code = $this->code; |
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$ro->headers['content-type'] = 'application/vnd.error+json'; |
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$ro->body = $this->body; |
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$this->responder->__invoke($ro, []); |
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} |
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/** |
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* @param \Exception $e |
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* @param Request $request |
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* |
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* @return int logRef |
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*/ |
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private function log(\Exception $e, Request $request) |
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{ |
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$logRefId = $this->getLogRefId($e); |
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$logRefFile = sprintf('%s/e.%s.log', $this->logDir, $logRefId); |
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$log = $this->exceptionString->detail($e, $request); |
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file_put_contents($this->lastErrorFile, $log); |
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file_put_contents($logRefFile, $log); |
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return $logRefId; |
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} |
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/** |
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* Return log ref id |
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* |
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* @param \Exception $e |
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* |
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* @return string |
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*/ |
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private function getLogRefId(\Exception $e) |
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{ |
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return (string) crc32(get_class($e) . $e->getMessage() . $e->getFile() . $e->getLine()); |
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} |
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} |
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bearsunday /
BEAR.Package
Loading history...
Let’s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let’s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: