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<?php |
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/** |
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* User: jensk |
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* Date: 13-3-2017 |
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* Time: 15:16 |
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*/ |
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namespace library\cc; |
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class ErrorHandlingUtil |
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{ |
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public static $JSON_ERRORS = array( |
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JSON_ERROR_NONE => 'No errors', |
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JSON_ERROR_DEPTH => 'Maximum stack depth exceeded', |
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JSON_ERROR_STATE_MISMATCH => 'Underflow or the modes mismatch', |
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JSON_ERROR_CTRL_CHAR => 'Unexpected control character found', |
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JSON_ERROR_SYNTAX => 'Syntax error, malformed JSON', |
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JSON_ERROR_UTF8 => 'Malformed UTF-8 characters, possibly incorrectly encoded', |
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); |
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/** |
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* Displays the error in a human readable fashion for developers. |
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* |
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* @param string $message |
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* @param string $file |
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* @param string $line |
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* @param int $code |
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* @param array $trace |
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* @param string $httpHeader |
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*/ |
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public static function renderError($message = '', $file = '', $line = '', $code = 0, $trace = array(), $httpHeader = 'HTTP/1.0 500 Internal Server Error') |
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{ |
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if (ob_get_contents()) ob_end_clean(); |
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$line = intval($line); |
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if (self::canShowError()) { |
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self::showError($message, $file, $line, $code, $trace, $httpHeader); |
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} else { |
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self::dontShowError($message, $file, $line, $httpHeader); |
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} |
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} |
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/** |
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* Error handler specificly for json errors |
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* |
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* @param $file |
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* @param $line |
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*/ |
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public static function handleJsonError($file, $line) |
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{ |
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$jsonErrorNr = json_last_error(); |
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$errstr = 'Unknown error'; |
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if (isset(self::$JSON_ERRORS[$jsonErrorNr])) { |
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$errstr = self::$JSON_ERRORS[$jsonErrorNr]; |
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} |
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\errorHandler($jsonErrorNr, $errstr, $file, $line); |
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} |
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private static function canShowError() |
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{ |
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if (PHP_SAPI === 'cli') { |
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return true; |
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} |
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if (file_exists('../config.json') && !isset($_SESSION['cloudcontrol'])) { |
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$config = file_get_contents('../config.json'); |
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$config = json_decode($config); |
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if (isset($config->showErrorsToAll)) { |
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return $config->showErrorsToAll; |
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} |
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} else { |
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return true; |
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} |
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} |
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private static function renderCliException($message, $file, $line, $trace, $lines) |
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{ |
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if (ob_get_contents()) ob_end_clean(); |
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include(__DIR__ . DIRECTORY_SEPARATOR . 'errortemplates/errorviewcli.php'); |
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exit; |
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} |
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/** |
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* @param $message |
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* @param $file |
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* @param $line |
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* @param $httpHeader |
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*/ |
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private static function dontShowError($message, $file, $line, $httpHeader) |
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{ |
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header($_SERVER['SERVER_PROTOCOL'] . $httpHeader, true); |
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header('X-Error-Message: ' . $message); |
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header('X-Error-File: ' . $file); |
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header('X-Error-Line: ' . $line); |
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if (file_exists(__DIR__ . DIRECTORY_SEPARATOR . 'errortemplates/errorviewcompact.php')) { |
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include(__DIR__ . DIRECTORY_SEPARATOR . 'errortemplates/errorviewcompact.php'); |
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} else { |
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header('Content-type: application/json'); |
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die(json_encode('An error occured.')); |
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} |
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} |
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/** |
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* @param $message |
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* @param $file |
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* @param $line |
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* @param $code |
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* @param $trace |
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* @param $httpHeader |
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*/ |
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private static function showError($message, $file, $line, $code, $trace, $httpHeader) |
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{ |
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$lines = self::getNumberedErrorLines($file, $line); |
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if (PHP_SAPI === 'cli') { |
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self::renderCliException($message, $file, $line, $trace, $lines); |
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} else { |
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self::renderGraphicException($message, $file, $line, $code, $trace, $httpHeader, $lines); |
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} |
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} |
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/** |
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* @param $file |
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* @param $line |
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* |
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* @return array |
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*/ |
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private static function getNumberedErrorLines($file, $line) |
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{ |
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$file_lines = file_exists($file) ? file($file) : array(); |
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$range = ($line - 15) < 0 ? range(1, 30) : range($line - 15, $line + 15); |
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$lines = array(); |
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foreach ($range as $line_number) { |
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if (isset($file_lines[$line_number - 1])) { |
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$lines[$line_number] = $file_lines[$line_number - 1]; |
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} |
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} |
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return $lines; |
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} |
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/** |
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* @param $message |
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* @param $file |
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* @param $line |
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* @param $code |
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* @param $trace |
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* @param $httpHeader |
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* @param $lines |
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*/ |
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private static function renderGraphicException($message, $file, $line, $code, $trace, $httpHeader, $lines) |
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{ |
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$error = array( |
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'message' => $message, |
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'file' => $file, |
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'line' => $line, |
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'code' => $code, |
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'lines' => $lines, |
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'trace' => $trace, |
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'httpHeader' => $httpHeader, |
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); |
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if (file_exists(__DIR__ . DIRECTORY_SEPARATOR . 'errortemplates/errorviewdetailed.php')) { |
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header($_SERVER['SERVER_PROTOCOL'] . $httpHeader, true); |
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include(__DIR__ . DIRECTORY_SEPARATOR . 'errortemplates/errorviewdetailed.php'); |
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} else { |
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header($_SERVER['SERVER_PROTOCOL'] . $httpHeader, true); |
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header('Content-type: application/json'); |
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die(json_encode($error)); |
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} |
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exit; |
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} |
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} |
jenskooij /
cloudcontrol
