198 lines
5.1 KiB
PHP
198 lines
5.1 KiB
PHP
<?php
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namespace SilverStripe\Logging;
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use Monolog\Formatter\FormatterInterface;
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use Monolog\Handler\AbstractProcessingHandler;
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use SilverStripe\Control\Controller;
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use SilverStripe\Control\Director;
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use SilverStripe\Control\HTTPResponse;
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use SilverStripe\Dev\Deprecation;
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/**
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* Output the error to the browser, with the given HTTP status code.
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* We recommend that you use a formatter that generates HTML with this.
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*/
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class HTTPOutputHandler extends AbstractProcessingHandler
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{
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/**
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* @var string
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*/
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private $contentType = 'text/html';
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/**
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* @var int
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*/
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private $statusCode = 500;
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/**
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* @var FormatterInterface
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*/
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private $cliFormatter = null;
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/**
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* Get the mime type to use when displaying this error.
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*
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* @return string
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*/
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public function getContentType()
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{
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return $this->contentType;
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}
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/**
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* Set the mime type to use when displaying this error.
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* Default text/html
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*
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* @param string $contentType
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* @return HTTPOutputHandler Return $this to allow chainable calls
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*/
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public function setContentType($contentType)
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{
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$this->contentType = $contentType;
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return $this;
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}
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/**
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* Get the HTTP status code to use when displaying this error.
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*
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* @return int
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*/
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public function getStatusCode()
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{
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return $this->statusCode;
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}
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/**
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* Set the HTTP status code to use when displaying this error.
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* Default 500
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*
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* @param int $statusCode
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* @return $this
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*/
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public function setStatusCode($statusCode)
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{
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$this->statusCode = $statusCode;
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return $this;
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}
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/**
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* Set a formatter to use if Director::is_cli() is true
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*
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* @param FormatterInterface $cliFormatter
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* @return HTTPOutputHandler Return $this to allow chainable calls
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*/
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public function setCLIFormatter(FormatterInterface $cliFormatter)
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{
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$this->cliFormatter = $cliFormatter;
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return $this;
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}
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/**
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* Return the formatter use if Director::is_cli() is true
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* If none has been set, null is returned, and the getFormatter() result will be used instead
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*
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* @return FormatterInterface
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*/
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public function getCLIFormatter()
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{
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return $this->cliFormatter;
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}
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/**
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* Return the formatter to use in this case.
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* May be the getCliFormatter() value if one is provided and Director::is_cli() is true.
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*
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* @return FormatterInterface
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*/
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public function getFormatter()
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{
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if (Director::is_cli() && ($cliFormatter = $this->getCLIFormatter())) {
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return $cliFormatter;
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}
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return $this->getDefaultFormatter();
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}
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/**
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* Check default formatter to use
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*
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* @return FormatterInterface
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*/
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public function getDefaultFormatter()
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{
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return parent::getFormatter();
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}
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/**
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* Set default formatter
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*
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* @param FormatterInterface $formatter
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* @return $this
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*/
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public function setDefaultFormatter(FormatterInterface $formatter)
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{
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parent::setFormatter($formatter);
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return $this;
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}
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protected function shouldShowError(int $errorCode): bool
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{
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// show all non-E_USER_DEPRECATED errors
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// or E_USER_DEPRECATED errors when not triggering from the Deprecation class
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// or our deprecations when the relevant shouldShow method returns true
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return $errorCode !== E_USER_DEPRECATED
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|| !Deprecation::isTriggeringError()
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|| ($this->isCli() ? Deprecation::shouldShowForCli() : Deprecation::shouldShowForHttp());
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}
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/**
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* @param array $record
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* @return bool
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*/
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protected function write(array $record)
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{
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ini_set('display_errors', 0);
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// Suppress errors that should be suppressed
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if (isset($record['context']['code'])) {
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$errorCode = $record['context']['code'];
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if (!$this->shouldShowError($errorCode)) {
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return;
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}
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}
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// TODO: This coupling isn't ideal
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// See https://github.com/silverstripe/silverstripe-framework/issues/4484
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if (Controller::has_curr()) {
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$response = Controller::curr()->getResponse();
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} else {
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$response = new HTTPResponse();
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}
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// If headers have been sent then these won't be used, and may throw errors that we won't want to see.
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if (!headers_sent()) {
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$response->setStatusCode($this->getStatusCode());
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$response->addHeader('Content-Type', $this->getContentType());
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} else {
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// To suppress errors about errors
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$response->setStatusCode(200);
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}
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$response->setBody($record['formatted']);
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$response->output();
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return false === $this->getBubble();
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}
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/**
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* This method is required and must be protected for unit testing, since we can't mock static or private methods
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*/
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protected function isCli(): bool
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{
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return Director::is_cli();
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}
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}
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