/**
* Handle errors.
*
* This function will handle all PHP errors thrown at it, without exposing
* paths, and hopefully, providing much more information to Root Users than
* the default white error page.
*
* This function will call out to CUSTOM_handleError if it exists, but, be
* advised, only override this function with a very, very stable function. I'd
* suggest one that outputs some static, basic HTML.
*
* The PHP feature that allows us to do so is documented here:
* http://uk2.php.net/manual/en/function.set-error-handler.php
*
* @param int $errno Error Number.
* @param string $errstr Error Message.
* @param string $errfile The file the error was raised in.
* @param int $errline The line of the file that the error was raised at.
* @param array $errcontext An array that points to the active symbol table at the point the error occurred.
*/
function COM_handleError($errno, $errstr, $errfile = '', $errline = 0, $errcontext = '')
{
global $_CONF, $_USER, $LANG01;
// Handle @ operator
if (error_reporting() == 0) {
return;
}
// Table of error code and error type
$errorTypes = array(1 => 'E_ERROR', 2 => 'E_WARNING', 4 => 'E_PARSE', 8 => 'E_NOTICE', 16 => 'E_CORE_ERROR', 32 => 'E_CORE_WARNING', 64 => 'E_COMPILE_ERROR', 128 => 'E_COMPILE_WARNING', 256 => 'E_USER_ERROR', 512 => 'E_USER_WARNING', 1024 => 'E_USER_NOTICE', 2048 => 'E_STRICT', 4096 => 'E_RECOVERABLE_ERROR', 8192 => 'E_DEPRECATED', 16384 => 'E_USER_DEPRECATED');
/*
* If we have a root user, then output detailed error message:
*/
if (is_array($_USER) && function_exists('SEC_inGroup') || isset($_CONF['rootdebug']) && $_CONF['rootdebug']) {
if ($_CONF['rootdebug'] || SEC_inGroup('Root')) {
header('HTTP/1.1 500 Internal Server Error');
header('Status: 500 Internal Server Error');
header('Content-Type: text/html; charset=' . COM_getCharset());
$title = 'An Error Occurred';
if (!empty($_CONF['site_name'])) {
$title = $_CONF['site_name'] . ' - ' . $title;
}
echo "<html><head><title>{$title}</title></head>\n<body>\n";
echo '<h1>An error has occurred:</h1>';
if ($_CONF['rootdebug']) {
echo '<h2 style="color: red">This is being displayed as "Root Debugging" is enabled
in your Geeklog configuration.</h2><p>If this is a production
website you <strong><em>must disable</em></strong> this
option once you have resolved any issues you are
investigating.</p>';
} else {
echo '<p>(This text is only displayed to users in the group \'Root\')</p>';
}
echo "<p>{$errorTypes[$errno]}({$errno}) - {$errstr} @ {$errfile} line {$errline}</p>";
if (!function_exists('SEC_inGroup') || !SEC_inGroup('Root')) {
if ('force' != '' . $_CONF['rootdebug']) {
$errcontext = COM_rootDebugClean($errcontext);
} else {
echo '<h2 style="color: red">Root Debug is set to "force", this
means that passwords and session cookies are exposed in this
message!!!</h2>';
}
}
if (@ini_get('xdebug.default_enable') == 1) {
ob_start();
var_dump($errcontext);
$errcontext = ob_get_contents();
ob_end_clean();
echo "{$errcontext}</body></html>";
} else {
$btr = debug_backtrace();
if (count($btr) > 0) {
if ($btr[0]['function'] == 'COM_handleError') {
array_shift($btr);
}
}
if (count($btr) > 0) {
echo "<font size='1'><table class='xdebug-error' dir='ltr' border='1' cellspacing='0' cellpadding='1'>\n";
echo "<tr><th align='left' bgcolor='#e9b96e' colspan='5'>Call Stack</th></tr>\n";
echo "<tr><th align='right' bgcolor='#eeeeec'>#</th><th align='left' bgcolor='#eeeeec'>Function</th><th align='left' bgcolor='#eeeeec'>File</th><th align='right' bgcolor='#eeeeec'>Line</th></tr>\n";
$i = 1;
foreach ($btr as $b) {
$f = '';
if (!empty($b['file'])) {
$f = $b['file'];
}
$l = '';
if (!empty($b['line'])) {
$l = $b['line'];
}
echo "<tr><td bgcolor='#eeeeec' align='right'>{$i}</td><td bgcolor='#eeeeec'>{$b['function']}</td><td bgcolor='#eeeeec'>{$f}</td><td bgcolor='#eeeeec' align='right'>{$l}</td></tr>\n";
$i++;
if ($i > 100) {
echo "<tr><td bgcolor='#eeeeec' align='left' colspan='4'>Possible recursion - aborting.</td></tr>\n";
break;
}
}
echo "</table></font>\n";
}
echo '<pre>';
ob_start();
var_dump($errcontext);
$errcontext = htmlspecialchars(ob_get_contents());
ob_end_clean();
echo "{$errcontext}</pre></body></html>";
}
exit;
}
}
/* If there is a custom error handler, fail over to that, but only
* if the error wasn't in lib-custom.php
*/
if (is_array($_CONF) && !strstr($errfile, 'lib-custom.php')) {
if (array_key_exists('path_system', $_CONF)) {
if (file_exists($_CONF['path_system'] . 'lib-custom.php')) {
require_once $_CONF['path_system'] . 'lib-custom.php';
}
if (function_exists('CUSTOM_handleError')) {
CUSTOM_handleError($errno, $errstr, $errfile, $errline, $errcontext);
exit;
}
}
}
// if we do not throw the error back to an admin, still log it in the error.log
COM_errorLog("{$errorTypes[$errno]}({$errno}) - {$errstr} @ {$errfile} line {$errline}", 1);
header('HTTP/1.1 500 Internal Server Error');
header('Status: 500 Internal Server Error');
header('Content-Type: text/html; charset=' . COM_getCharset());
// Does the theme implement an error message html file?
if (!empty($_CONF['path_layout']) && file_exists($_CONF['path_layout'] . 'errormessage.html')) {
// NOTE: NOT A TEMPLATE! JUST HTML!
include $_CONF['path_layout'] . 'errormessage.html';
} elseif (!empty($_CONF['path_layout_default']) && file_exists($_CONF['path_layout_default'] . 'errormessage.html')) {
// NOTE: NOT A TEMPLATE! JUST HTML!
include $_CONF['path_layout_default'] . 'errormessage.html';
} else {
// Otherwise, display simple error message
$title = $LANG01[141];
if (!empty($_CONF['site_name'])) {
$title = $_CONF['site_name'] . ' - ' . $title;
}
echo "\n <html>\n <head>\n <title>{$title}</title>\n </head>\n <body>\n <div style=\"width: 100%; text-align: center;\">\n {$LANG01[142]}\n </div>\n </body>\n </html>\n ";
}
exit;
}
/**
* Handle errors.
*
* This function will handle all PHP errors thrown at it, without exposing
* paths, and hopefully, providing much more information to Root Users than
* the default white error page.
*
* This function will call out to CUSTOM_handleError if it exists, but, be
* advised, only override this function with a very, very stable function. I'd
* suggest one that outputs some static, basic HTML.
*
* The PHP feature that allows us to do so is documented here:
* http://uk2.php.net/manual/en/function.set-error-handler.php
*
* @param int $errno Error Number.
* @param string $errstr Error Message.
* @param string $errfile The file the error was raised in.
* @param int $errline The line of the file that the error was raised at.
* @param array $errcontext An array that points to the active symbol table at the point the error occurred.
*/
function COM_handleError($errno, $errstr, $errfile = '', $errline = 0, $errcontext = '')
{
global $_CONF, $_USER;
// Handle @ operator
if (error_reporting() == 0) {
return;
}
/*
* If we have a root user, then output detailed error message:
*/
if (is_array($_USER) && function_exists('SEC_inGroup') || isset($_CONF['rootdebug']) && $_CONF['rootdebug']) {
if ($_CONF['rootdebug'] || SEC_inGroup('Root')) {
header('HTTP/1.1 500 Internal Server Error');
header('Status: 500 Internal Server Error');
$title = 'An Error Occurred';
if (!empty($_CONF['site_name'])) {
$title = $_CONF['site_name'] . ' - ' . $title;
}
echo "<html><head><title>{$title}</title></head>\n<body>\n";
echo '<h1>An error has occurred:</h1>';
if ($_CONF['rootdebug']) {
echo '<h2 style="color: red">This is being displayed as "Root Debugging" is enabled
in your Geeklog configuration.</h2><p>If this is a production
website you <strong><em>must disable</em></strong> this
option once you have resolved any issues you are
investigating.</p>';
} else {
echo '<p>(This text is only displayed to users in the group \'Root\')</p>';
}
echo "<p>{$errno} - {$errstr} @ {$errfile} line {$errline}</p>";
if (!function_exists('SEC_inGroup') || !SEC_inGroup('Root')) {
if ('force' != '' . $_CONF['rootdebug']) {
$errcontext = COM_rootDebugClean($errcontext);
} else {
echo '<h2 style="color: red">Root Debug is set to "force", this
means that passwords and session cookies are exposed in this
message!!!</h2>';
}
}
if (@ini_get('xdebug.default_enable') == 1) {
ob_start();
var_dump($errcontext);
$errcontext = ob_get_contents();
ob_end_clean();
echo "{$errcontext}</body></html>";
} else {
echo '<pre>';
ob_start();
var_dump($errcontext);
$errcontext = htmlspecialchars(ob_get_contents());
ob_end_clean();
echo "{$errcontext}</pre></body></html>";
}
exit;
}
}
/* If there is a custom error handler, fail over to that, but only
* if the error wasn't in lib-custom.php
*/
if (is_array($_CONF) && !strstr($errfile, 'lib-custom.php')) {
if (array_key_exists('path_system', $_CONF)) {
if (file_exists($_CONF['path_system'] . 'lib-custom.php')) {
require_once $_CONF['path_system'] . 'lib-custom.php';
}
if (function_exists('CUSTOM_handleError')) {
CUSTOM_handleError($errno, $errstr, $errfile, $errline, $errcontext);
exit;
}
}
}
// if we do not throw the error back to an admin, still log it in the error.log
COM_errorLog("{$errno} - {$errstr} @ {$errfile} line {$errline}", 1);
header('HTTP/1.1 500 Internal Server Error');
header('Status: 500 Internal Server Error');
// Does the theme implement an error message html file?
if (!empty($_CONF['path_layout']) && file_exists($_CONF['path_layout'] . 'errormessage.html')) {
// NOTE: NOT A TEMPLATE! JUST HTML!
include $_CONF['path_layout'] . 'errormessage.html';
} else {
// Otherwise, display simple error message
$title = 'An Error Occurred';
if (!empty($_CONF['site_name'])) {
$title = $_CONF['site_name'] . ' - ' . $title;
}
echo "\n <html>\n <head>\n <title>{$title}</title>\n </head>\n <body>\n <div style=\"width: 100%; text-align: center;\">\n Unfortunately, an error has occurred rendering this page. Please try\n again later.\n </div>\n </body>\n </html>\n ";
}
exit;
}
/**
* Handle errors.
*
* This function will handle all PHP errors thrown at it, without exposing
* paths, and hopefully, providing much more information to Root Users than
* the default white error page.
*
* This function will call out to CUSTOM_handleError if it exists, but, be
* advised, only override this function with a very, very stable function. I'd
* suggest one that outputs some static, basic HTML.
*
* The PHP feature that allows us to do so is documented here:
* http://uk2.php.net/manual/en/function.set-error-handler.php
*
* @param int $errno Error Number.
* @param string $errstr Error Message.
* @param string $errfile The file the error was raised in.
* @param int $errline The line of the file that the error was raised at.
* @param array $errcontext An array that points to the active symbol table at the point the error occurred.
*/
function COM_handleError($errno, $errstr, $errfile = '', $errline = 0, $errcontext = '')
{
global $_CONF, $_USER, $_SYSTEM;
// Handle @ operator
if (error_reporting() == 0) {
return;
}
/*
* If we have a root user, then output detailed error message:
*/
if (is_array($_USER) && function_exists('SEC_inGroup') || isset($_SYSTEM['rootdebug']) && $_SYSTEM['rootdebug']) {
if ($_SYSTEM['rootdebug'] || SEC_inGroup('Root')) {
$title = 'An Error Occurred';
if (!empty($_CONF['site_name'])) {
$title = $_CONF['site_name'] . ' - ' . $title;
}
echo "<html><head><title>{$title}</title></head>\n<body>\n";
echo '<h1>An error has occurred:</h1>';
if ($_SYSTEM['rootdebug']) {
echo '<h2 style="color: red">This is being displayed as "Root Debugging" is enabled
in your glFusion siteconfig.php.</h2><p>If this is a production
website you <strong><em>should disable</em></strong> this
option once you have resolved any issues you are
troubleshooting.</p>';
} else {
echo '<p>(This text is only displayed to users in the group \'Root\')</p>';
}
echo "<p>{$errno} - {$errstr} @ {$errfile} line {$errline}</p>";
if (!function_exists('SEC_inGroup') || !SEC_inGroup('Root')) {
if ('force' != '' . $_SYSTEM['rootdebug']) {
$errcontext = COM_rootDebugClean($errcontext);
} else {
echo '<h2 style="color: red">Root Debug is set to "force", this
means that passwords and session cookies are exposed in this
message!!!</h2>';
}
}
if (@ini_get('xdebug.default_enable') == 1) {
ob_start();
var_dump($errcontext);
$errcontext = ob_get_contents();
ob_end_clean();
echo "{$errcontext}</body></html>";
} else {
$btr = debug_backtrace();
if (count($btr) > 0) {
if ($btr[0]['function'] == 'COM_handleError') {
array_shift($btr);
}
}
if (count($btr) > 0) {
echo "<font size='1'><table class='xdebug-error' dir='ltr' border='1' cellspacing='0' cellpadding='1'>\n";
echo "<tr><th align='left' bgcolor='#e9b96e' colspan='5'>Call Stack</th></tr>\n";
echo "<tr><th align='right' bgcolor='#eeeeec'>#</th><th align='left' bgcolor='#eeeeec'>Function</th><th align='left' bgcolor='#eeeeec'>File</th><th align='right' bgcolor='#eeeeec'>Line</th></tr>\n";
$i = 1;
foreach ($btr as $b) {
$f = '';
if (!empty($b['file'])) {
$f = $b['file'];
}
$l = '';
if (!empty($b['line'])) {
$l = $b['line'];
}
echo "<tr><td bgcolor='#eeeeec' align='right'>{$i}</td><td bgcolor='#eeeeec'>{$b['function']}</td><td bgcolor='#eeeeec'>{$f}</td><td bgcolor='#eeeeec' align='right'>{$l}</td></tr>\n";
$i++;
if ($i > 100) {
echo "<tr><td bgcolor='#eeeeec' align='left' colspan='4'>Possible recursion - aborting.</td></tr>\n";
break;
}
}
echo "</table></font>\n";
}
echo '<pre>';
ob_start();
var_dump($errcontext);
$errcontext = htmlspecialchars(ob_get_contents());
ob_end_clean();
echo "{$errcontext}</pre></body></html>";
}
exit;
}
}
/* If there is a custom error handler, fail over to that, but only
* if the error wasn't in lib-custom.php
*/
if (is_array($_CONF) && !strstr($errfile, 'lib-custom.php')) {
if (array_key_exists('path_system', $_CONF)) {
if (file_exists($_CONF['path_system'] . 'lib-custom.php')) {
require_once $_CONF['path_system'] . 'lib-custom.php';
}
if (function_exists('CUSTOM_handleError')) {
CUSTOM_handleError($errno, $errstr, $errfile, $errline, $errcontext);
exit;
}
}
}
// if we do not throw the error back to an admin, still log it in the error.log
COM_errorLog("{$errno} - {$errstr} @ {$errfile} line {$errline}", 1);
// Does the theme implement an error message html file?
if (!empty($_CONF['path_layout']) && file_exists($_CONF['path_layout'] . 'errormessage.html')) {
// NOTE: NOT A TEMPLATE! JUST HTML!
include $_CONF['path_layout'] . 'errormessage.html';
} else {
// Otherwise, display simple error message
$title = 'An Error Occurred';
if (!empty($_CONF['site_name'])) {
$title = $_CONF['site_name'] . ' - ' . $title;
}
echo "\n <html>\n <head>\n <title>{$title}</title>\n </head>\n <body>\n <div style=\"width: 100%; text-align: center;\">\n There has been an error in building this page. Please try again later.\n </div>\n </body>\n </html>\n ";
}
exit;
}
