\n
\nDebug ($caller[class]$caller[type]$caller[function]() \nin line $caller[line] \nof " . basename($caller['file']) . ")\n
\n";
}
echo Debug::text($val);
if(!Director::is_ajax()) echo "";
}
}
static function mailBuffer( $email, $subject ) {
mail( $email, $subject, ob_get_contents() );
ob_end_clean();
}
static function endshow($val) {
if(!Director::isLive()) {
$caller = Debug::caller();
echo "
\nDebug \n($caller[class]$caller[type]$caller[function]() \nin line $caller[line] \nof " . basename($caller['file']) . ")\n
\n";
echo Debug::text($val);
die();
}
}
static function text($val) {
if(is_object($val)) {
if(method_exists($val, 'hasMethod')) {
$hasDebugMethod = $val->hasMethod('debug');
} else {
$hasDebugMethod = method_exists($val, 'debug');
}
if($hasDebugMethod) {
return $val->debug();
}
}
if(is_array($val)) {
$result = "\n";
foreach($val as $k => $v) {
$result .= "- $k = " . Debug::text($v) . "
\n";
}
$val = $result . "
\n";
} else if (is_object($val)) {
$val = var_export($val, true);
} else {
if(true || !Director::is_ajax()) {
$val = "" . htmlentities($val) . "
\n";
}
}
return $val;
}
/**
* Show a debugging message
*/
static function message($message, $showHeader = true) {
if(!Director::isLive()) {
$caller = Debug::caller();
$file = basename($caller['file']);
echo "\n";
if($showHeader) echo "Debug (line $caller[line] of $file):\n ";
echo Convert::raw2xml(trim($message)) . "
\n";
}
}
/**
* Load an error handler
*/
static function loadErrorHandlers() {
Debug::loadFatalErrorHandler();
}
static function loadFatalErrorHandler() {
set_error_handler('errorHandler', E_ALL & ~E_NOTICE);
}
static function warningHandler($errno, $errstr, $errfile, $errline, $errcontext) {
if(self::$send_warnings_to) self::emailError(self::$send_warnings_to, $errno, $errstr, $errfile, $errline, $errcontext, "Warning");
if(Director::isDev()) {
if(error_reporting() != 0) { // otherwise the error was suppressed with @
self::showError($errno, $errstr, $errfile, $errline, $errcontext);
die();
}
}
}
static function fatalHandler($errno, $errstr, $errfile, $errline, $errcontext) {
if(self::$send_errors_to) self::emailError(self::$send_errors_to, $errno, $errstr, $errfile, $errline, $errcontext, "Error");
if(Director::isDev()) {
Debug::showError($errno, $errstr, $errfile, $errline, $errcontext);
} else {
Debug::friendlyError($errno, $errstr, $errfile, $errline, $errcontext);
}
die();
}
static function friendlyError($errno, $errstr, $errfile, $errline, $errcontext) {
header("HTTP/1.0 500 Internal server error");
if(Director::is_ajax()) {
echo "ERROR:There has been an error";
} else {
if(file_exists('../assets/error-500.html')) {
echo "ERROR:";
include('../assets/error-500.html');
} else {
echo "ERROR:Error
The website server has not been able to respond to your request.
\n";
}
}
}
static function showError($errno, $errstr, $errfile, $errline, $errcontext) {
if(!headers_sent()) header("HTTP/1.0 500 Internal server error");
if(Director::is_ajax()) {
echo "ERROR:Error $errno: $errstr\n At l$errline in $errfile\n";
Debug::backtrace();
} else {
echo "\n";
echo "
FATAL ERROR: $errstr
\n At line $errline in $errfile
\n
\n
\n";
Debug::backtrace();
//Debug::show(debug_backtrace());
echo "
Context
\n";
Debug::show($errcontext);
echo "
\n";
}
}
static function emailError($emailAddress, $errno, $errstr, $errfile, $errline, $errcontext, $errorType = "Error") {
if(strtolower($errorType) == 'warning') {
$colour = "orange";
} else {
$colour = "red";
}
$data = "\n";
$data .= "
$errorType: $errstr
At line $errline in $errfile\n
\n
\n
\n";
$data .= Debug::backtrace(true);
$data .= "
\n";
// override smtp-server if needed
if(self::$custom_smtp_server) {
ini_set("SMTP", self::$custom_smtp_server);
}
mail($emailAddress, "$errorType on $_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]", $data, "Content-type: text/html\nFrom: errors@silverstripe.com");
}
/**
* @param string $server IP-Address or domain
*/
static function set_custom_smtp_server($server) {
self::$custom_smtp_server = $server;
}
/**
* @return string
*/
static function get_custom_smtp_server() {
return self::$custom_smtp_server;
}
/**
* Send errors to the given email address.
* Can be used like so:
* if(Director::isLive()) Debug::send_errors_to("sam@silverstripe.com");
* @param emailAddress The email address to send them to
* @param sendWarnings Set to true to send warnings as well as errors.
*/
static function send_errors_to($emailAddress, $sendWarnings = true) {
self::$send_errors_to = $emailAddress;
self::$send_warnings_to = $sendWarnings ? $emailAddress : null;
}
/**
* @return string
*/
static function get_send_errors_to() {
return self::$send_errors_to;
}
/**
* @return string
*/
static function get_send_warnings_to() {
return self::$send_warnings_to;
}
/**
* Deprecated. Send live errors and warnings to the given address.
* @deprecated Use send_errors_to() instead.
*/
static function sendLiveErrorsTo($emailAddress) {
user_error('Debug::sendLiveErrorsTo() is deprecated. Use Director::send_errors_to() instead.', E_USER_NOTICE);
if(!Director::isDev()) self::send_errors_to($emailAddress, true);
}
static function caller() {
$bt = debug_backtrace();
$caller = $bt[2];
$caller['line'] = $bt[1]['line'];
$caller['file'] = $bt[1]['file'];
if(!isset($caller['class'])) $caller['class'] = '';
if(!isset($caller['type'])) $caller['type'] = '';
return $caller;
}
static function backtrace($returnVal = false, $ignoreAjax = false) {
$bt = debug_backtrace();
// Ingore functions that are plumbing of the error handler
$ignoredFunctions = array('Debug::emailError','Debug::warningHandler','Debug::fatalHandler','errorHandler','Debug::showError','Debug::backtrace');
while( $bt && in_array(self::full_func_name($bt[0]), $ignoredFunctions) ) {
array_shift($bt);
}
$result = "";
foreach($bt as $item) {
if(Director::is_ajax() && !$ignoreAjax) {
$result .= self::full_func_name($item,true) . "\n";
$result .= "line $item[line] of " . basename($item['file']) . "\n\n";
} else {
$result .= "" . self::full_func_name($item,true) . "\n
\n";
$result .= isset($item['line']) ? "line $item[line] of " : '';
$result .= isset($item['file']) ? basename($item['file']) : '';
$result .= "
\n";
}
}
echo $result;
if($returnVal) return $result;
else echo $result;
}
/**
* Return the full function name. If showArgs is set to true, a string representation of the arguments will be shown
*/
static function full_func_name($item, $showArgs = false) {
$funcName = '';
if(isset($item['class'])) $funcName .= $item['class'];
if(isset($item['type'])) $funcName .= $item['type'];
if(isset($item['function'])) $funcName .= $item['function'];
if($showArgs && isset($item['args'])) {
$args = array();
foreach($item['args'] as $arg) {
if(!is_object($arg) || method_exists($arg, '__toString')) {
$args[] = (string) $arg;
} else {
$args[] = get_class($arg);
}
}
$funcName .= "(" . implode(",", $args) .")";
}
return $funcName;
}
/**
* Check if the user has permissions to run URL debug tools,
* else redirect them to log in.
*/
static function require_developer_login() {
if(Director::isDev()) {
return;
}
if(isset($_SESSION['loggedInAs'])) {
// We have to do some raw SQL here, because this method is called in Object::defineMethods().
// This means we have to be careful about what objects we create, as we don't want Object::defineMethods()
// being called again.
// This basically calls Permission::checkMember($_SESSION['loggedInAs'], 'ADMIN');
$memberID = $_SESSION['loggedInAs'];
$groups = DB::query("SELECT GroupID from Group_Members WHERE MemberID=" . $memberID);
$groupCSV = implode($groups->column(), ',');
$permission = DB::query("
SELECT ID
FROM Permission
WHERE (
Code = 'ADMIN'
AND Type = " . Permission::GRANT_PERMISSION . "
AND GroupID IN ($groupCSV)
)
")->value();
if($permission) {
return;
}
}
// This basically does the same as
// Security::permissionFailure(null, "You need to login with developer access to make use of debugging tools.");
// We have to do this because of how early this method is called in execution.
$_SESSION['Security']['Message']['message'] = "You need to login with developer access to make use of debugging tools.";
$_SESSION['Security']['Message']['type'] = 'warning';
$_SESSION['BackURL'] = $_SERVER['REQUEST_URI'];
header("HTTP/1.1 302 Found");
header("Location: " . Director::baseURL() . "Security/login");
die();
}
}
function errorHandler($errno, $errstr, $errfile, $errline, $errcontext) {
switch($errno) {
case E_ERROR:
case E_CORE_ERROR:
case E_USER_ERROR:
Debug::fatalHandler($errno, $errstr, $errfile, $errline, $errcontext);
break;
case E_WARNING:
case E_CORE_WARNING:
case E_USER_WARNING:
Debug::warningHandler($errno, $errstr, $errfile, $errline, $errcontext);
break;
}
}
?>