ORIENT/vendor/symfony/error-handler/ErrorRenderer/HtmlErrorRenderer.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\ErrorHandler\ErrorRenderer;

use Psr\Log\LoggerInterface;
use Symfony\Component\ErrorHandler\Exception\FlattenException;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Debug\FileLinkFormatter;
use Symfony\Component\HttpKernel\Log\DebugLoggerInterface;

/**
 * @author Yonel Ceruto <yonelceruto@gmail.com>
 */
class HtmlErrorRenderer implements ErrorRendererInterface
{
    private const GHOST_ADDONS = [
        '02-14' => self::GHOST_HEART,
        '02-29' => self::GHOST_PLUS,
        '10-18' => self::GHOST_GIFT,
    ];

    private const GHOST_GIFT = 'M124.00534057617188,5.3606138080358505 C124.40059661865234,4.644828304648399 125.1237564086914,3.712414965033531 123.88127899169922,3.487462028861046 C123.53517150878906,3.3097832053899765 123.18894958496094,2.9953975528478622 122.8432846069336,3.345616325736046 C122.07421112060547,3.649444565176964 121.40750122070312,4.074306473135948 122.2164306640625,4.869479164481163 C122.57514953613281,5.3830065578222275 122.90142822265625,6.503447040915489 123.3077621459961,6.626829609274864 C123.55027770996094,6.210384353995323 123.7774658203125,5.785196766257286 124.00534057617188,5.3606138080358505 zM122.30630493164062,7.336987480521202 C121.60028076171875,6.076864704489708 121.03211975097656,4.72498320043087 120.16796875,3.562500938773155 C119.11695098876953,2.44033907353878 117.04605865478516,2.940566048026085 116.57544708251953,4.387995228171349 C115.95028686523438,5.819030746817589 117.2991714477539,7.527640804648399 118.826171875,7.348545059561729 C119.98493194580078,7.367936596274376 121.15027618408203,7.420116886496544 122.30630493164062,7.336987480521202 zM128.1732177734375,7.379541382193565 C129.67486572265625,7.17823551595211 130.53842163085938,5.287807449698448 129.68344116210938,4.032590612769127 C128.92578125,2.693056806921959 126.74605560302734,2.6463639587163925 125.98509216308594,4.007616028189659 C125.32617950439453,5.108129009604454 124.75428009033203,6.258124336600304 124.14962768554688,7.388818249106407 C125.48638916015625,7.465229496359825 126.8357162475586,7.447416767477989 128.1732177734375,7.379541382193565 zM130.6601104736328,8.991325363516808 C131.17202758789062,8.540884003043175 133.1543731689453,8.009847149252892 131.65304565429688,7.582054600119591 C131.2811279296875,7.476506695151329 130.84751892089844,6.99234913289547 130.5132598876953,7.124847874045372 C129.78744506835938,8.02728746831417 128.67140197753906,8.55669592320919 127.50616455078125,8.501235947012901 C127.27806091308594,8.576229080557823 126.11459350585938,8.38720129430294 126.428955078125,8.601900085806847 C127.25099182128906,9.070617660880089 128.0523223876953,9.579657539725304 128.902587890625,9.995706543326378 C129.49813842773438,9.678531631827354 130.0761260986328,9.329126343131065 130.6601104736328,8.991325363516808 zM118.96446990966797,9.246344551444054 C119.4022445678711,8.991325363516808 119.84001922607422,8.736305221915245 120.27779388427734,8.481284126639366 C118.93965911865234,8.414779648184776 117.40827941894531,8.607666000723839 116.39698791503906,7.531384453177452 C116.11186981201172,7.212117180228233 115.83845520019531,6.846597656607628 115.44329071044922,7.248530372977257 C114.96995544433594,7.574637398123741 113.5140609741211,7.908811077475548 114.63501739501953,8.306883797049522 C115.61112976074219,8.883499130606651 116.58037567138672,9.474181160330772 117.58061218261719,10.008124336600304 C118.05723571777344,9.784612640738487 118.50651550292969,9.5052699893713 118.96446990966797,9.246344551444054 zM125.38018035888672,12.091858848929405 C125.9474868774414,11.636047348380089 127.32159423828125,11.201767906546593 127.36749267578125,10.712632164359093 C126.08487701416016,9.974547371268272 124.83960723876953,9.152772888541222 123.49772644042969,8.528907760977745 C123.03594207763672,8.353693947196007 122.66152954101562,8.623294815421104 122.28982543945312,8.857431396842003 C121.19065856933594,9.51122473180294 120.06505584716797,10.12446115911007 119.00167083740234,10.835315689444542 C120.39238739013672,11.69529627263546 121.79983520507812,12.529837593436241 123.22095489501953,13.338589653372765 C123.94580841064453,12.932025894522667 124.66128540039062,12.508862480521202 125.38018035888672,12.091858848929405 zM131.07164001464844,13.514615997672081 C131.66018676757812,13.143282875418663 132.2487335205078,12.771927818655968 132.8372802734375,12.400571808218956 C132.8324737548828,11.156818374991417 132.8523406982422,9.912529930472374 132.81829833984375,8.669195160269737 C131.63046264648438,9.332009300589561 130.45948791503906,10.027913078665733 129.30828857421875,10.752535805106163 C129.18237304
    private const GHOST_HEART = 'M125.91386369681868,8.305165958366445 C128.95033202169043,-0.40540639102854037 140.8469835342744,8.305165958366445 125.91386369681868,19.504526138305664 C110.98208663272044,8.305165958366445 122.87795231771452,-0.40540639102854037 125.91386369681868,8.305165958366445 z';
    private const GHOST_PLUS = 'M111.36824226379395,8.969108581542969 L118.69175148010254,8.969108581542969 L118.69175148010254,1.6455793380737305 L126.20429420471191,1.6455793380737305 L126.20429420471191,8.969108581542969 L133.52781105041504,8.969108581542969 L133.52781105041504,16.481630325317383 L126.20429420471191,16.481630325317383 L126.20429420471191,23.805158615112305 L118.69175148010254,23.805158615112305 L118.69175148010254,16.481630325317383 L111.36824226379395,16.481630325317383 z';

    private $debug;
    private $charset;
    private $fileLinkFormat;
    private $projectDir;
    private $outputBuffer;
    private $logger;

    /**
     * @param bool|callable                 $debug          The debugging mode as a boolean or a callable that should return it
     * @param string|FileLinkFormatter|null $fileLinkFormat
     * @param bool|callable                 $outputBuffer   The output buffer as a string or a callable that should return it
     */
    public function __construct($debug = false, string $charset = null, $fileLinkFormat = null, string $projectDir = null, $outputBuffer = '', LoggerInterface $logger = null)
    {
        if (!\is_bool($debug) && !\is_callable($debug)) {
            throw new \TypeError(sprintf('Argument 1 passed to "%s()" must be a boolean or a callable, "%s" given.', __METHOD__, \is_object($debug) ? \get_class($debug) : \gettype($debug)));
        }

        if (!\is_string($outputBuffer) && !\is_callable($outputBuffer)) {
            throw new \TypeError(sprintf('Argument 5 passed to "%s()" must be a string or a callable, "%s" given.', __METHOD__, \is_object($outputBuffer) ? \get_class($outputBuffer) : \gettype($outputBuffer)));
        }

        $this->debug = $debug;
        $this->charset = $charset ?: (\ini_get('default_charset') ?: 'UTF-8');
        $this->fileLinkFormat = $fileLinkFormat ?: (\ini_get('xdebug.file_link_format') ?: get_cfg_var('xdebug.file_link_format'));
        $this->projectDir = $projectDir;
        $this->outputBuffer = $outputBuffer;
        $this->logger = $logger;
    }

    /**
     * {@inheritdoc}
     */
    public function render(\Throwable $exception): FlattenException
    {
        $exception = FlattenException::createFromThrowable($exception, null, [
            'Content-Type' => 'text/html; charset='.$this->charset,
        ]);

        return $exception->setAsString($this->renderException($exception));
    }

    /**
     * Gets the HTML content associated with the given exception.
     */
    public function getBody(FlattenException $exception): string
    {
        return $this->renderException($exception, 'views/exception.html.php');
    }

    /**
     * Gets the stylesheet associated with the given exception.
     */
    public function getStylesheet(): string
    {
        if (!$this->debug) {
            return $this->include('assets/css/error.css');
        }

        return $this->include('assets/css/exception.css');
    }

    public static function isDebug(RequestStack $requestStack, bool $debug): \Closure
    {
        return static function () use ($requestStack, $debug): bool {
            if (!$request = $requestStack->getCurrentRequest()) {
                return $debug;
            }

            return $debug && $request->attributes->getBoolean('showException', true);
        };
    }

    public static function getAndCleanOutputBuffer(RequestStack $requestStack): \Closure
    {
        return static function () use ($requestStack): string {
            if (!$request = $requestStack->getCurrentRequest()) {
                return '';
            }

            $startObLevel = $request->headers->get('X-Php-Ob-Level', -1);

            if (ob_get_level() <= $startObLevel) {
                return '';
            }

            Response::closeOutputBuffers($startObLevel + 1, true);

            return ob_get_clean();
        };
    }

    private function renderException(FlattenException $exception, string $debugTemplate = 'views/exception_full.html.php'): string
    {
        $debug = \is_bool($this->debug) ? $this->debug : ($this->debug)($exception);
        $statusText = $this->escape($exception->getStatusText());
        $statusCode = $this->escape($exception->getStatusCode());

        if (!$debug) {
            return $this->include('views/error.html.php', [
                'statusText' => $statusText,
                'statusCode' => $statusCode,
            ]);
        }

        $exceptionMessage = $this->escape($exception->getMessage());

        return $this->include($debugTemplate, [
            'exception' => $exception,
            'exceptionMessage' => $exceptionMessage,
            'statusText' => $statusText,
            'statusCode' => $statusCode,
            'logger' => $this->logger instanceof DebugLoggerInterface ? $this->logger : null,
            'currentContent' => \is_string($this->outputBuffer) ? $this->outputBuffer : ($this->outputBuffer)(),
        ]);
    }

    /**
     * Formats an array as a string.
     */
    private function formatArgs(array $args): string
    {
        $result = [];
        foreach ($args as $key => $item) {
            if ('object' === $item[0]) {
                $formattedValue = sprintf('<em>object</em>(%s)', $this->abbrClass($item[1]));
            } elseif ('array' === $item[0]) {
                $formattedValue = sprintf('<em>array</em>(%s)', \is_array($item[1]) ? $this->formatArgs($item[1]) : $item[1]);
            } elseif ('null' === $item[0]) {
                $formattedValue = '<em>null</em>';
            } elseif ('boolean' === $item[0]) {
                $formattedValue = '<em>'.strtolower(var_export($item[1], true)).'</em>';
            } elseif ('resource' === $item[0]) {
                $formattedValue = '<em>resource</em>';
            } else {
                $formattedValue = str_replace("\n", '', $this->escape(var_export($item[1], true)));
            }

            $result[] = \is_int($key) ? $formattedValue : sprintf("'%s' => %s", $this->escape($key), $formattedValue);
        }

        return implode(', ', $result);
    }

    private function formatArgsAsText(array $args)
    {
        return strip_tags($this->formatArgs($args));
    }

    private function escape(string $string): string
    {
        return htmlspecialchars($string, \ENT_COMPAT | \ENT_SUBSTITUTE, $this->charset);
    }

    private function abbrClass(string $class): string
    {
        $parts = explode('\\', $class);
        $short = array_pop($parts);

        return sprintf('<abbr title="%s">%s</abbr>', $class, $short);
    }

    private function getFileRelative(string $file): ?string
    {
        $file = str_replace('\\', '/', $file);

        if (null !== $this->projectDir && 0 === strpos($file, $this->projectDir)) {
            return ltrim(substr($file, \strlen($this->projectDir)), '/');
        }

        return null;
    }

    /**
     * Returns the link for a given file/line pair.
     *
     * @return string|false A link or false
     */
    private function getFileLink(string $file, int $line)
    {
        if ($fmt = $this->fileLinkFormat) {
            return \is_string($fmt) ? strtr($fmt, ['%f' => $file, '%l' => $line]) : $fmt->format($file, $line);
        }

        return false;
    }

    /**
     * Formats a file path.
     *
     * @param string $file An absolute file path
     * @param int    $line The line number
     * @param string $text Use this text for the link rather than the file path
     */
    private function formatFile(string $file, int $line, string $text = null): string
    {
        $file = trim($file);

        if (null === $text) {
            $text = $file;
            if (null !== $rel = $this->getFileRelative($text)) {
                $rel = explode('/', $rel, 2);
                $text = sprintf('<abbr title="%s%2$s">%s</abbr>%s', $this->projectDir, $rel[0], '/'.($rel[1] ?? ''));
            }
        }

        if (0 < $line) {
            $text .= ' at line '.$line;
        }

        if (false !== $link = $this->getFileLink($file, $line)) {
            return sprintf('<a href="%s" title="Click to open this file" class="file_link">%s</a>', $this->escape($link), $text);
        }

        return $text;
    }

    /**
     * Returns an excerpt of a code file around the given line number.
     *
     * @param string $file       A file path
     * @param int    $line       The selected line number
     * @param int    $srcContext The number of displayed lines around or -1 for the whole file
     *
     * @return string An HTML string
     */
    private function fileExcerpt(string $file, int $line, int $srcContext = 3): string
    {
        if (is_file($file) && is_readable($file)) {
            // highlight_file could throw warnings
            // see https://bugs.php.net/25725
            $code = @highlight_file($file, true);
            // remove main code/span tags
            $code = preg_replace('#^<code.*?>\s*<span.*?>(.*)</span>\s*</code>#s', '\\1', $code);
            // split multiline spans
            $code = preg_replace_callback('#<span ([^>]++)>((?:[^<]*+<br \/>)++[^<]*+)</span>#', function ($m) {
                return "<span $m[1]>".str_replace('<br />', "</span><br /><span $m[1]>", $m[2]).'</span>';
            }, $code);
            $content = explode('<br />', $code);

            $lines = [];
            if (0 > $srcContext) {
                $srcContext = \count($content);
            }

            for ($i = max($line - $srcContext, 1), $max = min($line + $srcContext, \count($content)); $i <= $max; ++$i) {
                $lines[] = '<li'.($i == $line ? ' class="selected"' : '').'><a class="anchor" name="line'.$i.'"></a><code>'.$this->fixCodeMarkup($content[$i - 1]).'</code></li>';
            }

            return '<ol start="'.max($line - $srcContext, 1).'">'.implode("\n", $lines).'</ol>';
        }

        return '';
    }

    private function fixCodeMarkup(string $line)
    {
        // </span> ending tag from previous line
        $opening = strpos($line, '<span');
        $closing = strpos($line, '</span>');
        if (false !== $closing && (false === $opening || $closing < $opening)) {
            $line = substr_replace($line, '', $closing, 7);
        }

        // missing </span> tag at the end of line
        $opening = strpos($line, '<span');
        $closing = strpos($line, '</span>');
        if (false !== $opening && (false === $closing || $closing > $opening)) {
            $line .= '</span>';
        }

        return trim($line);
    }

    private function formatFileFromText(string $text)
    {
        return preg_replace_callback('/in ("|&quot;)?(.+?)\1(?: +(?:on|at))? +line (\d+)/s', function ($match) {
            return 'in '.$this->formatFile($match[2], $match[3]);
        }, $text);
    }

    private function formatLogMessage(string $message, array $context)
    {
        if ($context && false !== strpos($message, '{')) {
            $replacements = [];
            foreach ($context as $key => $val) {
                if (\is_scalar($val)) {
                    $replacements['{'.$key.'}'] = $val;
                }
            }

            if ($replacements) {
                $message = strtr($message, $replacements);
            }
        }

        return $this->escape($message);
    }

    private function addElementToGhost(): string
    {
        if (!isset(self::GHOST_ADDONS[date('m-d')])) {
            return '';
        }

        return '<path d="'.self::GHOST_ADDONS[date('m-d')].'" fill="#fff" fill-opacity="0.6"></path>';
    }

    private function include(string $name, array $context = []): string
    {
        extract($context, \EXTR_SKIP);
        ob_start();
        include __DIR__.'/../Resources/'.$name;

        return trim(ob_get_clean());
    }
}