<?php namespace Xentral\Core\ErrorHandler; final class ErrorPageRenderer { /** @var array REQUIRED_PHP_EXTENSIONS */ const REQUIRED_PHP_EXTENSIONS = [ 'PDO', 'mysqli', 'mysqlnd', 'mbstring', 'curl', 'xml', 'zip', 'stream_socket_enable_crypto' ]; /** @var ErrorPageData $data */ private $data; /** * @param ErrorPageData $data */ public function __construct(ErrorPageData $data) { $this->data = $data; } /** * @return string */ public function renderErrorPage() { $data = $this->data->getData(); $title = $this->data->getTitle(); $content = $this->renderPageHeader(); $content .= '<table>'; $content .= '<tr><td colspan="2" id="headline">'; $content .= '<h1>' . htmlspecialchars($title, ENT_QUOTES) . '</h1>'; $content .= '<h2>' . htmlspecialchars($data['exception']['message'], ENT_QUOTES) . '</h2>'; $content .= '</td></tr>'; $content .= '<tr>'; $content .= '<td width="20%" id="side">' . $this->renderInformationData($data['information']) . '</td>'; $content .= '<td width="80%" id="main">' . $this->renderExceptionData($data['exception']) . '</td>'; $content .= '</tr></table>'; $content .= $this->renderPageFooter(); return $content; } /** * @return string */ private function renderPageHeader() { return <<<HTML <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Unerwarteter Fehler</title> <style type="text/css"> html { padding: 0; margin: 0; } body { font-family: BlinkMacSystemFont, -apple-system, Segoe UI, Roboto, Oxygen, Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 12px; line-height: 1.6em; color: #48494B; background-color: #EEE; padding: 0; margin: 0; } h1, h2, h3, h4, h5, h6 { padding: 0; margin: 0.5em 0 0.5em 0; font-weight: bold; } p { padding: 0; margin: 0 0 .25em 0; } a, a:link, a:visited, a:hover, a:active { text-decoration: none; } #headline { padding: 24px 12px 18px 12px; background-color: #42B8C5; } #headline h1 { color: #F5F5F5; font-size: 2rem; margin: 1rem 0; } #headline h2 { color: #9CD6DB; font-size: 1.1rem; font-weight: normal; margin: 1rem 0; } table { width: 100%; border-collapse: separate; border-spacing: 0; } table td, table th { text-align: left; padding: 10px 0 10px 0; vertical-align: baseline; } table th.head { padding: 5px 0 10px 0; background-color: #FFF; vertical-align: baseline; border-bottom: 2px solid #DBDBDB; } table th.head h3 { margin: 3px 0; } table td.trace { background-color: #F5F5F5; vertical-align: baseline; } table.exception { margin-bottom: 20px; border-top: 2px solid #DBDBDB; } table.exception td { border-bottom: 1px solid #DBDBDB; } td.stacktrace { padding-top: 0; padding-bottom: 0; background-color: #FFF; } td.stacktrace table { border-spacing: 0; } table.exception a:link code, table.exception a:visited code { color: #42B8C5; } table.exception a:hover code, table.exception a:active code { color: #2F9099; } td.stacktrace tr:last-child td { border: none; } #main { background-color: #FFF; padding: 2rem; } #side { min-width: 240px; padding: 5px 15px; background-color: #E9ECEF; } #side h1, #side h2, #side h3, #side h4, #side h5, #side h6 { color: #7A7A7A; font-weight: normal; text-transform: uppercase; margin: 1em 0 0.5em 0; } .float-right { float: right; } .separator { color: #999; } .classname { color: #42B8C5; } .namespace { } .method { } .number { display: inline-block; width: 20px; padding: 1px 6px; margin-right: 10px; text-align: center; background-color: #DBDBDB; border-radius: 5px; } .errorclass { font-weight: bold; } .errorfile { margin-left: 42px; } code { font-family: Consolas, Menlo, Monaco, "Lucida Console", "Liberation Mono", "DejaVu Sans Mono", "Courier New", monospace, serif; font-size: 12px; font-weight: normal; color: #42B8C5; padding: 3px 4px 1px 4px; background-color: #E9ECEF; } code.success { color: #48494B; background-color: #9FF781; } code.warning { color: #48494B; background-color: #F4FA58; } code.error { color: #48494B; background-color: #FA5858; } span.success { background-color: #9FF781; padding: 0 1px; } span.warning { background-color: #F4FA58; padding: 0 1px; } span.error { background-color: #FA5858; padding: 0 1px; } </style> </head> <body> HTML; } /** * @return string */ private function renderPageFooter() { return '</body></html>'; } /** * @param array $exception * * @return string */ private function renderExceptionData($exception) { $content = ''; $content .= '<h3>' . $this->renderExceptionHeadline($exception['class']) . '</h3>'; $content .= '<table class="exception">'; $content .= '<tr><th class="head">'; $content .= '<h2>' . htmlspecialchars($exception['message'], ENT_QUOTES) . '</h2>'; $content .= "<div><a href='editor://open?file={$exception['file']}&line={$exception['line']}'>"; $content .= "<code>{$exception['file']}:{$exception['line']}</code>"; $content .= '</div>'; $content .= '</th></tr>'; if (!empty($exception['trace'])) { $content .= '<tr><td class="stacktrace">'; $content .= $this->renderStackTrace($exception['trace']); $content .= '</td></tr>'; } $content .= '</table>'; // Render previous exceptions at the end if ($exception['previous'] !== null) { $content .= $this->renderExceptionData($exception['previous']); } return $content; } /** * @param string $className Full-qualified class name * * @return string */ private function renderExceptionHeadline($className) { $classNameParts = explode('\\', $className); $partsSize = count($classNameParts) - 1; $headline = ''; foreach ($classNameParts as $index => $part) { if ($index === $partsSize) { $headline .= "<span class='classname'>{$part}</span>"; } else { $headline .= "<span class='namespace'>{$part}</span>"; $headline .= " <small class='separator'>\</small> "; } } return $headline; } /** * @param $stackTrace * * @return string */ private function renderStackTrace($stackTrace) { $traceSize = count($stackTrace); $content = '<table class="stacktrace">'; foreach ($stackTrace as $index => $trace) { // @todo Einkommentieren wenn ErrorHandler erprobt und stabil //if (isset($trace['class']) && $trace['class'] === ErrorHandler::class) { // continue; //} $number = $traceSize - $index; $editorLink = 'editor://open?file=' . urlencode($trace['file']) . '&line=' . urlencode($trace['line']); $content .= '<tr>'; $content .= '<td>'; $content .= '<div class="errorclass">'; $content .= "<span class='number'>{$number}</span>"; $content .= "<span>{$trace['class']}</span>"; $content .= "<span class='method'><span>→</span>{$trace['function']}()</span>"; $content .= '</div>'; if (!empty($trace['file'])) { $content .= "<div class='errorfile'><a href='{$editorLink}'>"; $content .= "<code>{$trace['file']}:{$trace['line']}</code>"; $content .= '</a></div>'; } $content .= '</td>'; $content .= '</tr>'; } $content .= '</table>'; return $content; } /** * @param array $data * * @return string */ private function renderInformationData($data) { $content = "<h3>Systeminformationen</h3>\n"; $software = $data['software']; $content .= "<h4>Software</h4>\n"; $content .= '<p>Xentral-Revision: <code>'; $content .= !empty($software['xentral_revision']) ? $software['xentral_revision'] : '--'; $content .= "</code></p>\n"; $content .= '<p>Xentral-Version: <code>'; $content .= !empty($software['xentral_version']) ? $software['xentral_version'] : '--'; $content .= "</code>\n"; $content .= '<p>FPDF-Version: <code>'; $content .= !empty($software['fpdf_version']) ? $software['fpdf_version'] : '--'; $content .= "</code>\n"; $general = $data['php']['general']; $content .= "<h4>PHP</h4>\n"; $version = "{$general['version_major']}.{$general['version_minor']}.{$general['version_release']}"; $content .= "<p>Version: <code>{$version}</code> ({$general['version']})</p>\n"; $content .= "<p>Server-API: <code>{$general['server_api']}</code></p>\n"; $content .= "<p>Binary-Pfad: <code>{$general['binary_dir']}</code></p>\n"; $content .= "<p>php.ini: <code>{$general['php_ini_dir']}</code></p>\n"; $settings = $data['php']['settings']; $content .= "<h4>PHP-Einstellungen:</h4>\n"; foreach ($settings as $setting) { switch ($setting['setting']) { case 'max_execution_time': $cssClass = $setting['int_value'] <= 0 || $setting['int_value'] >= 30 ? '' : 'warning'; break; case 'max_input_time': $cssClass = $setting['int_value'] <= 0 || $setting['int_value'] >= 30 ? '' : 'warning'; break; case 'post_max_size': $cssClass = $setting['int_value'] >= 8 * 1024 * 1024 ? '' : 'warning'; break; case 'upload_max_filesize': $cssClass = $setting['int_value'] >= 8 * 1024 * 1024 ? '' : 'warning'; break; case 'memory_limit': $cssClass = $setting['int_value'] >= 256 * 1024 * 1024 ? '' : 'warning'; break; default: $cssClass = ''; break; } $content .= sprintf( '<p><code class="%s">%s = %s</code></p>' . "\n", $cssClass, $setting['setting'], $setting['raw_value'] ); } $content .= "<h4>PHP-Erweiterungen</h4>\n"; $defined = $data['php']['extensions']['defined']; $content .= '<h5>Benötigt</h5><p>'; foreach ($defined as $extension => $isAvailable) { $failedCssClass = in_array($extension, self::REQUIRED_PHP_EXTENSIONS, true) ? 'error' : 'warning'; $cssClass = $isAvailable === true ? '' : $failedCssClass; $content .= sprintf('<code class="%s">%s</code>', $cssClass, $extension) . ', '; } $content = substr_replace($content, '', -2); $content .= "</p>\n"; /*$other = $data['php']['extensions']['other']; $content .= "<h5>Sonstige</h5><p>"; foreach ($other as $extension => $available) { $content .= sprintf('<code>%s</code>', $extension) . ', '; } $content = substr_replace($content, '', -2); $content .= "</p>\n";*/ $env = $data['env']; $content .= "<h4>Umgebung</h4>\n"; $content .= "<p>Username: <code>{$env['username']}</code></p>\n"; $content .= "<p>Home-Directory: <code>{$env['home_dir']}</code></p>\n"; $content .= "<p>Document-Root: <code>{$env['document_root']}</code></p>\n"; $content .= "<p>Script-Filename: <code>{$env['script_filename']}</code></p>\n"; if ($env['script_owner'] !== null) { $content .= "<p>Script-Owner/-Group: <code>{$env['script_owner']}:{$env['script_group']}</code></p>\n"; } $server = $data['server']; $content .= "<h4>Webserver</h4>\n"; $content .= '<p>Software: <code>' . (!empty($server['software']) ? $server['software'] : '--') . "</code></p>\n"; $content .= '<p>Signatur: <code>' . (!empty($server['signature']) ? $server['signature'] : '--') . "</code></p>\n"; $content .= "<p>Host: <code>{$server['name']}</code> (<code>{$server['addr']}:{$server['port']}</code>)</p>\n"; $request = $data['request']; $content .= "<h4>Request</h4>\n"; $content .= "<p>Schema: <code>{$request['scheme']}</code></p>\n"; $content .= "<p>Method/Uri: <code>{$request['method']} " . htmlspecialchars($request['uri']) . "</code></p>\n"; $content .= '<p>Referer: <code>' . (!empty($request['referer']) ? htmlspecialchars($request['referer']) : '--') . "</code></p>\n"; $content .= '<p>UserAgent: <code>' . (!empty($request['user_agent']) ? $request['user_agent'] : '--') . "</code></p>\n"; $content .= '<p>AJAX-Request: <code>' . ($request['is_ajax'] === true ? 'true' : 'false') . "</code></p>\n"; $content .= '<p>HTTPS-Request: <code>' . ($request['is_https'] === true ? 'true' : 'false') . "</code></p>\n"; $content .= "<p>Timestamp: <code>{$request['time']}</code></p>\n"; return $content; } }