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yii2
Commit 89bbdae6 by resurtm
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Initial version of the new error/exception page.

parent b317c082
Showing with 30 additions and 191 deletions
apps/bootstrap/controllers/SiteController.php
...@@ -20,6 +20,7 @@ class SiteController extends Controller ...@@ -20,6 +20,7 @@ class SiteController extends Controller
public function actionIndex() public function actionIndex()
{ {
throw new \yii\base\HttpException(500, 'Test exception');
echo $this->render('index'); echo $this->render('index');
} }
......
apps/bootstrap/www/index.php
...@@ -3,8 +3,9 @@ ...@@ -3,8 +3,9 @@
// comment out the following line to disable debug mode // comment out the following line to disable debug mode
defined('YII_DEBUG') or define('YII_DEBUG', true); defined('YII_DEBUG') or define('YII_DEBUG', true);
require(__DIR__ . '/../vendor/yiisoft/yii2/yii/Yii.php'); //require(__DIR__ . '/../vendor/yiisoft/yii2/yii/Yii.php');
require(__DIR__ . '/../vendor/autoload.php'); //require(__DIR__ . '/../vendor/autoload.php');
require(__DIR__ . '/../../../framework/yii/Yii.php');
$config = require(__DIR__ . '/../config/main.php'); $config = require(__DIR__ . '/../config/main.php');
......
framework/yii/base/ErrorHandler.php
...@@ -7,6 +7,8 @@ ...@@ -7,6 +7,8 @@
namespace yii\base; namespace yii\base;
use Yii;
/** /**
* ErrorHandler handles uncaught PHP errors and exceptions. * ErrorHandler handles uncaught PHP errors and exceptions.
* *
...@@ -31,28 +33,25 @@ class ErrorHandler extends Component ...@@ -31,28 +33,25 @@ class ErrorHandler extends Component
*/ */
public $discardExistingOutput = true; public $discardExistingOutput = true;
/** /**
* @var string the route (eg 'site/error') to the controller action that will be used to display external errors. * @var string the route (e.g. 'site/error') to the controller action that will be used
* Inside the action, it can retrieve the error information by \Yii::$app->errorHandler->error. * to display external errors. Inside the action, it can retrieve the error information
* This property defaults to null, meaning ErrorHandler will handle the error display. * by Yii::$app->errorHandler->error. This property defaults to null, meaning ErrorHandler
* will handle the error display.
*/ */
public $errorAction; public $errorAction;
/** /**
* @var string the path of the view file for rendering exceptions * @var string the path of the view file for rendering exceptions and errors.
*/
public $exceptionView = '@yii/views/exception.php';
/**
* @var string the path of the view file for rendering errors
*/ */
public $errorView = '@yii/views/error.php'; public $view = '@yii/views/errorHandler.php';
/** /**
* @var \Exception the exception that is being handled currently * @var \Exception the exception that is being handled currently.
*/ */
public $exception; public $exception;
/** /**
* Handles exception * Handles exception.
* @param \Exception $exception * @param \Exception $exception to be handled.
*/ */
public function handle($exception) public function handle($exception)
{ {
...@@ -66,14 +65,16 @@ class ErrorHandler extends Component ...@@ -66,14 +65,16 @@ class ErrorHandler extends Component
} }
/** /**
* Renders exception * Renders exception.
* @param \Exception $exception * @param \Exception $exception to be handled.
*/ */
protected function renderException($exception) protected function renderException($exception)
{ {
if ($this->errorAction !== null) { if ($this->errorAction !== null) {
\Yii::$app->runAction($this->errorAction); Yii::$app->runAction($this->errorAction);
} elseif (\Yii::$app instanceof \yii\web\Application) { } elseif (!(Yii::$app instanceof \yii\web\Application)) {
Yii::$app->renderException($exception);
} else {
if (!headers_sent()) { if (!headers_sent()) {
if ($exception instanceof HttpException) { if ($exception instanceof HttpException) {
header('HTTP/1.0 ' . $exception->statusCode . ' ' . $exception->getName()); header('HTTP/1.0 ' . $exception->statusCode . ' ' . $exception->getName());
...@@ -82,7 +83,7 @@ class ErrorHandler extends Component ...@@ -82,7 +83,7 @@ class ErrorHandler extends Component
} }
} }
if (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH'] === 'XMLHttpRequest') { if (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH'] === 'XMLHttpRequest') {
\Yii::$app->renderException($exception); Yii::$app->renderException($exception);
} else { } else {
// if there is an error during error rendering it's useful to // if there is an error during error rendering it's useful to
// display PHP error in debug mode instead of a blank screen // display PHP error in debug mode instead of a blank screen
...@@ -90,177 +91,25 @@ class ErrorHandler extends Component ...@@ -90,177 +91,25 @@ class ErrorHandler extends Component
ini_set('display_errors', 1); ini_set('display_errors', 1);
} }
$view = new View; $view = new View();
if (!YII_DEBUG || $exception instanceof UserException) { echo $view->renderFile($this->view, array('e' => $exception), $this);
$viewName = $this->errorView;
} else {
$viewName = $this->exceptionView;
}
echo $view->renderFile($viewName, array(
'exception' => $exception,
), $this);
}
} else {
\Yii::$app->renderException($exception);
}
}
/**
* Returns server and Yii version information.
* @return string server version information.
*/
public function getVersionInfo()
{
$version = '<a href="http://www.yiiframework.com/">Yii Framework</a>/' . \Yii::getVersion();
if (isset($_SERVER['SERVER_SOFTWARE'])) {
$version = $_SERVER['SERVER_SOFTWARE'] . ' ' . $version;
}
return $version;
}
/**
* Converts arguments array to its string representation
*
* @param array $args arguments array to be converted
* @return string string representation of the arguments array
*/
public function argumentsToString($args)
{
$isAssoc = $args !== array_values($args);
$count = 0;
foreach ($args as $key => $value) {
$count++;
if ($count >= 5) {
if ($count > 5) {
unset($args[$key]);
} else {
$args[$key] = '...';
}
continue;
}
if (is_object($value)) {
$args[$key] = get_class($value);
} elseif (is_bool($value)) {
$args[$key] = $value ? 'true' : 'false';
} elseif (is_string($value)) {
if (strlen($value) > 64) {
$args[$key] = '"' . substr($value, 0, 64) . '..."';
} else {
$args[$key] = '"' . $value . '"';
}
} elseif (is_array($value)) {
$args[$key] = 'array(' . $this->argumentsToString($value) . ')';
} elseif ($value === null) {
$args[$key] = 'null';
} elseif (is_resource($value)) {
$args[$key] = 'resource';
}
if (is_string($key)) {
$args[$key] = '"' . $key . '" => ' . $args[$key];
} elseif ($isAssoc) {
$args[$key] = $key . ' => ' . $args[$key];
} }
} }
return implode(', ', $args);
} }
/** /**
* Returns a value indicating whether the call stack is from application code. * Converts special characters to HTML entities.
* @param array $trace the trace data * @param string $text to encode.
* @return boolean whether the call stack is from application code. * @return string encoded text.
*/ */
public function isCoreCode($trace) public function htmlEncode($text)
{
if (isset($trace['file'])) {
return $trace['file'] === 'unknown' || strpos(realpath($trace['file']), YII_PATH . DIRECTORY_SEPARATOR) === 0;
}
return false;
}
/**
* Renders the source code around the error line.
* @param string $file source file path
* @param integer $errorLine the error line number
* @param integer $maxLines maximum number of lines to display
*/
public function renderSourceCode($file, $errorLine, $maxLines)
{ {
$errorLine--; // adjust line number to 0-based from 1-based return htmlspecialchars($text, ENT_QUOTES, Yii::$app->charset);
if ($errorLine < 0 || ($lines = @file($file)) === false || ($lineCount = count($lines)) <= $errorLine) {
return;
}
$halfLines = (int)($maxLines / 2);
$beginLine = $errorLine - $halfLines > 0 ? $errorLine - $halfLines : 0;
$endLine = $errorLine + $halfLines < $lineCount ? $errorLine + $halfLines : $lineCount - 1;
$lineNumberWidth = strlen($endLine + 1);
$output = '';
for ($i = $beginLine; $i <= $endLine; ++$i) {
$isErrorLine = $i === $errorLine;
$code = sprintf("<span class=\"ln" . ($isErrorLine ? ' error-ln' : '') . "\">%0{$lineNumberWidth}d</span> %s", $i + 1, $this->htmlEncode(str_replace("\t", ' ', $lines[$i])));
if (!$isErrorLine) {
$output .= $code;
} else {
$output .= '<span class="error">' . $code . '</span>';
}
}
echo '<div class="code"><pre>' . $output . '</pre></div>';
} }
/** /**
* Renders calls stack trace * Removes all output echoed before calling this method.
* @param array $trace
*/ */
public function renderTrace($trace)
{
$count = 0;
echo "<table>\n";
foreach ($trace as $n => $t) {
if ($this->isCoreCode($t)) {
$cssClass = 'core collapsed';
} elseif (++$count > 3) {
$cssClass = 'app collapsed';
} else {
$cssClass = 'app expanded';
}
$hasCode = isset($t['file']) && $t['file'] !== 'unknown' && is_file($t['file']);
echo "<tr class=\"trace $cssClass\"><td class=\"number\">#$n</td><td class=\"content\">";
echo '<div class="trace-file">';
if ($hasCode) {
echo '<div class="plus">+</div><div class="minus">-</div>';
}
echo '&nbsp;';
if (isset($t['file'])) {
echo $this->htmlEncode($t['file']) . '(' . $t['line'] . '): ';
}
if (!empty($t['class'])) {
echo '<strong>' . $t['class'] . '</strong>' . $t['type'];
}
echo '<strong>' . $t['function'] . '</strong>';
echo '(' . (empty($t['args']) ? '' : $this->htmlEncode($this->argumentsToString($t['args']))) . ')';
echo '</div>';
if ($hasCode) {
$this->renderSourceCode($t['file'], $t['line'], $this->maxTraceSourceLines);
}
echo "</td></tr>\n";
}
echo '</table>';
}
/**
* Converts special characters to HTML entities
* @param string $text text to encode
* @return string
*/
public function htmlEncode($text)
{
return htmlspecialchars($text, ENT_QUOTES, \Yii::$app->charset);
}
public function clearOutput() public function clearOutput()
{ {
// the following manual level counting is to deal with zlib.output_compression set to On // the following manual level counting is to deal with zlib.output_compression set to On
...@@ -268,16 +117,4 @@ class ErrorHandler extends Component ...@@ -268,16 +117,4 @@ class ErrorHandler extends Component
@ob_end_clean(); @ob_end_clean();
} }
} }
/**
* @param \Exception $exception
*/
public function renderAsHtml($exception)
{
$view = new View;
$name = !YII_DEBUG || $exception instanceof HttpException ? $this->errorView : $this->exceptionView;
echo $view->renderFile($name, array(
'exception' => $exception,
), $this);
}
} }
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