ILIAS  release_5-3 Revision v5.3.23-19-g915713cf615
PhpError.php
Go to the documentation of this file.
1<?php
9namespace Slim\Handlers;
10
11use Psr\Http\Message\ResponseInterface;
12use Psr\Http\Message\ServerRequestInterface;
13use Slim\Http\Body;
14use UnexpectedValueException;
15
22class PhpError extends AbstractError
23{
34 public function __invoke(ServerRequestInterface $request, ResponseInterface $response, \Throwable $error)
35 {
36 $contentType = $this->determineContentType($request);
37 switch ($contentType) {
38 case 'application/json':
39 $output = $this->renderJsonErrorMessage($error);
40 break;
41
42 case 'text/xml':
43 case 'application/xml':
44 $output = $this->renderXmlErrorMessage($error);
45 break;
46
47 case 'text/html':
48 $output = $this->renderHtmlErrorMessage($error);
49 break;
50 default:
51 throw new UnexpectedValueException('Cannot render unknown content type ' . $contentType);
52 }
53
54 $this->writeToErrorLog($error);
55
56 $body = new Body(fopen('php://temp', 'r+'));
57 $body->write($output);
58
59 return $response
60 ->withStatus(500)
61 ->withHeader('Content-type', $contentType)
62 ->withBody($body);
63 }
64
72 protected function renderHtmlErrorMessage(\Throwable $error)
73 {
74 $title = 'Slim Application Error';
75
76 if ($this->displayErrorDetails) {
77 $html = '<p>The application could not run because of the following error:</p>';
78 $html .= '<h2>Details</h2>';
79 $html .= $this->renderHtmlError($error);
80
81 while ($error = $error->getPrevious()) {
82 $html .= '<h2>Previous error</h2>';
83 $html .= $this->renderHtmlError($error);
84 }
85 } else {
86 $html = '<p>A website error has occurred. Sorry for the temporary inconvenience.</p>';
87 }
88
89 $output = sprintf(
90 "<html><head><meta http-equiv='Content-Type' content='text/html; charset=utf-8'>" .
91 "<title>%s</title><style>body{margin:0;padding:30px;font:12px/1.5 Helvetica,Arial,Verdana," .
92 "sans-serif;}h1{margin:0;font-size:48px;font-weight:normal;line-height:48px;}strong{" .
93 "display:inline-block;width:65px;}</style></head><body><h1>%s</h1>%s</body></html>",
94 $title,
95 $title,
96 $html
97 );
98
99 return $output;
100 }
101
109 protected function renderHtmlError(\Throwable $error)
110 {
111 $html = sprintf('<div><strong>Type:</strong> %s</div>', get_class($error));
112
113 if (($code = $error->getCode())) {
114 $html .= sprintf('<div><strong>Code:</strong> %s</div>', $code);
115 }
116
117 if (($message = $error->getMessage())) {
118 $html .= sprintf('<div><strong>Message:</strong> %s</div>', htmlentities($message));
119 }
120
121 if (($file = $error->getFile())) {
122 $html .= sprintf('<div><strong>File:</strong> %s</div>', $file);
123 }
124
125 if (($line = $error->getLine())) {
126 $html .= sprintf('<div><strong>Line:</strong> %s</div>', $line);
127 }
128
129 if (($trace = $error->getTraceAsString())) {
130 $html .= '<h2>Trace</h2>';
131 $html .= sprintf('<pre>%s</pre>', htmlentities($trace));
132 }
133
134 return $html;
135 }
136
144 protected function renderJsonErrorMessage(\Throwable $error)
145 {
146 $json = [
147 'message' => 'Slim Application Error',
148 ];
149
150 if ($this->displayErrorDetails) {
151 $json['error'] = [];
152
153 do {
154 $json['error'][] = [
155 'type' => get_class($error),
156 'code' => $error->getCode(),
157 'message' => $error->getMessage(),
158 'file' => $error->getFile(),
159 'line' => $error->getLine(),
160 'trace' => explode("\n", $error->getTraceAsString()),
161 ];
162 } while ($error = $error->getPrevious());
163 }
164
165 return json_encode($json, JSON_PRETTY_PRINT);
166 }
167
175 protected function renderXmlErrorMessage(\Throwable $error)
176 {
177 $xml = "<error>\n <message>Slim Application Error</message>\n";
178 if ($this->displayErrorDetails) {
179 do {
180 $xml .= " <error>\n";
181 $xml .= " <type>" . get_class($error) . "</type>\n";
182 $xml .= " <code>" . $error->getCode() . "</code>\n";
183 $xml .= " <message>" . $this->createCdataSection($error->getMessage()) . "</message>\n";
184 $xml .= " <file>" . $error->getFile() . "</file>\n";
185 $xml .= " <line>" . $error->getLine() . "</line>\n";
186 $xml .= " <trace>" . $this->createCdataSection($error->getTraceAsString()) . "</trace>\n";
187 $xml .= " </error>\n";
188 } while ($error = $error->getPrevious());
189 }
190 $xml .= "</error>";
191
192 return $xml;
193 }
194
201 private function createCdataSection($content)
202 {
203 return sprintf('<![CDATA[%s]]>', str_replace(']]>', ']]]]><![CDATA[>', $content));
204 }
205}
sprintf
sprintf('%.4f', $callTime)
Definition: 01pharSimple.php:87
php
An exception for terminatinating execution or to throw for unit testing.
Slim\Handlers\AbstractError
Abstract Slim application error handler.
Definition: AbstractError.php:15
Slim\Handlers\AbstractError\writeToErrorLog
writeToErrorLog($throwable)
Write to the error log if displayErrorDetails is false.
Definition: AbstractError.php:38
Slim\Handlers\AbstractHandler\determineContentType
determineContentType(ServerRequestInterface $request)
Determine which content type we know about is wanted using Accept header.
Definition: AbstractHandler.php:40
Slim\Handlers\PhpError
Default Slim application error handler for PHP 7+ Throwables.
Definition: PhpError.php:23
Slim\Handlers\PhpError\__invoke
__invoke(ServerRequestInterface $request, ResponseInterface $response, \Throwable $error)
Invoke error handler.
Definition: PhpError.php:34
Slim\Handlers\PhpError\renderHtmlError
renderHtmlError(\Throwable $error)
Render error as HTML.
Definition: PhpError.php:109
Slim\Handlers\PhpError\renderHtmlErrorMessage
renderHtmlErrorMessage(\Throwable $error)
Render HTML error page.
Definition: PhpError.php:72
Slim\Handlers\PhpError\renderJsonErrorMessage
renderJsonErrorMessage(\Throwable $error)
Render JSON error.
Definition: PhpError.php:144
Slim\Handlers\PhpError\renderXmlErrorMessage
renderXmlErrorMessage(\Throwable $error)
Render XML error.
Definition: PhpError.php:175
Slim\Handlers\PhpError\createCdataSection
createCdataSection($content)
Returns a CDATA section with the given content.
Definition: PhpError.php:201
Slim\Http\Body
Body.
Definition: Body.php:20
$html
$html
Definition: example_001.php:87
$code
$code
Definition: example_050.php:99
$output
if(!is_dir( $entity_dir)) exit("Fatal Error ([A-Za-z0-9]+)\s+" &#(? foreach( $entity_files as $file) $output
Definition: generate-entity-file.php:67
Psr\Http\Message\ResponseInterface
Representation of an outgoing, server-side response.
Definition: ResponseInterface.php:21
Psr\Http\Message\ServerRequestInterface
Representation of an incoming, server-side HTTP request.
Definition: ServerRequestInterface.php:44
$error
$error
Definition: Error.php:17
$xml
$xml
Definition: metadata.php:240
$message
catch(Exception $e) $message
Definition: saml2-logout.php:34
$contentType
if( $path[strlen( $path) - 1]==='/') if(is_dir($path)) if(!file_exists( $path)) if(preg_match('#\.php$#D', $path)) $contentType
Definition: module.php:142
Slim\Handlers
Slim Framework (https://slimframework.com)
Definition: AbstractError.php:9
$response
$response
Definition: proxy_ylocal.php:39
$file
if(!file_exists("$old.txt")) if( $old===$new) if(file_exists("$new.txt")) $file
Definition: rename-config.php:43