/**
* Populate entries.
*
* @param array $heading
* @param array $data
* @param int $key
*/
private static function populateEntries($heading, $data, $key)
{
foreach (LogLevels::all() as $level) {
if (self::hasLogLevel($heading[$key], $level)) {
self::$parsed[] = ['level' => $level, 'header' => $heading[$key], 'stack' => $data[$key]];
}
}
}
/**
* Log message
*
* @param string $message
*/
public static function log($level, $message)
{
// If message is other than scalar (object, array) then print_r it and log individual lines
if (!is_scalar($message)) {
foreach (explode("\n", print_r($message, true)) as $line) {
self::log($level, $line);
}
return;
}
// Setup facilities if not already done
self::setup();
// Default log level is error so that log calls without level will always be processed
if (LogLevels::isValidValue($level) && !array_key_exists($level, self::$levels)) {
$level = LogLevels::ERROR;
}
// Add call context data if level is debug
if ($level == LogLevels::DEBUG) {
// Fecth call stack
$stack = debug_backtrace();
// Remove Logger internals
while ($stack && array_key_exists('class', $stack[0]) && $stack[0]['class'] == 'Logger') {
array_shift($stack);
}
// If call context is known
if ($stack && array_key_exists('function', $stack[0]) && $stack[0]['function']) {
$caller = $stack[0];
// Gather code location data
$s = '';
if (array_key_exists('file', $caller)) {
$s .= $caller['file'] . ':' . $caller['line'] . ' ';
}
if (array_key_exists('class', $caller)) {
if (!array_key_exists('type', $caller)) {
$caller['type'] = ' ';
}
if ($caller['type'] == '::') {
$s .= $caller['class'] . '::';
} else {
$s .= '(' . $caller['class'] . ')' . $caller['type'];
}
}
// Resolve magics so that log is easier to read
if (in_array($caller['function'], array('__call', '__callStatic'))) {
$caller['function'] = $caller['args'][0];
$caller['args'] = $caller['args'][1];
}
// Add arguments (objects are mentionned as just "object" without details)
$args = array();
foreach ($caller['args'] as $arg) {
$a = '';
if (is_bool($arg)) {
$a = $arg ? '(true)' : '(false)';
} else {
if (is_scalar($arg)) {
$a = '(' . $arg . ')';
} else {
if (is_array($arg)) {
$a = array();
foreach ($arg as $k => $v) {
$a[] = (is_numeric($k) ? '' : $k . ' => ') . gettype($v) . (is_scalar($v) ? is_bool($v) ? $v ? '(true)' : '(false)' : '(' . $v . ')' : '');
}
$a = '(' . implode(', ', $a) . ')';
}
}
}
$args[] = gettype($arg) . $a;
}
$s .= $caller['function'] . '(' . implode(', ', $args) . ')';
$message = $s . ' ' . $message;
}
}
// Add authenticated user id if any, except in debug mode as line is already long
if (self::$process != ProcessTypes::UPGRADE) {
try {
// No user id in log if we are recording a low level exception
// as it may end up in throwing another one while getting
// user / user id and create a loop ...
$risky_exception = count(array_filter(debug_backtrace(), function ($t) {
return array_key_exists('class', $t) && preg_match('`^(Core|Config|DBI).+Exception$`', $t['class']);
}));
if ($level != LogLevels::DEBUG && !$risky_exception && Auth::user()) {
$message = '[user ' . Auth::user()->id . '] ' . $message;
}
} catch (Exception $e) {
}
}
// Build final message ...
$message = '[' . self::$process . ':' . $level . '] ' . $message;
// ... and give it to defined facilities
foreach (self::$facilities as $facility) {
// Filter based on process if facility requires it
if (array_key_exists('process', $facility)) {
$accepted = array_filter(array_map('trim', preg_split('`[\\s,|]`', $facility['process'])));
if (!in_array('*', $accepted) && !in_array(self::$process, $accepted)) {
continue;
}
}
// Filter based on level if facility requires it
if (array_key_exists('level', $facility)) {
$max = self::$levels[$facility['level']];
if (self::$levels[$level] > $max) {
continue;
}
}
// Forward to facility related method with config
$method = get_called_class() . '::' . $facility['method'];
call_user_func($method, $facility, $level, $message);
}
}
/**
* Log message
*
* @param LogLevels $level The log level
* @param string $message The message
*/
public static function log($level, $message)
{
if (!is_scalar($message)) {
foreach (explode("\n", print_r($message, true)) as $line) {
self::log($level, $line);
}
return;
}
self::setup();
//TODO: test level
if (LogLevels::isValidValue($level) && !array_key_exists($level, self::$levels)) {
$level = LogLevels::ERROR;
}
if ($level == LogLevels::DEBUG) {
$stack = debug_backtrace();
while ($stack && array_key_exists('class', $stack[0]) && $stack[0]['class'] == 'Logger') {
array_shift($stack);
}
if ($stack && array_key_exists('function', $stack[0]) && $stack[0]['function']) {
$caller = $stack[0];
$s = $caller['file'] . ':' . $caller['line'] . ' ';
if (array_key_exists('class', $caller)) {
if (!array_key_exists('type', $caller)) {
$caller['type'] = ' ';
}
if ($caller['type'] == '::') {
$s .= $caller['class'] . '::';
} else {
$s .= '(' . $caller['class'] . ')' . $caller['type'];
}
}
if (in_array($caller['function'], array('__call', '__callStatic'))) {
$caller['function'] = $caller['args'][0];
$caller['args'] = $caller['args'][1];
}
$args = array();
foreach ($caller['args'] as $arg) {
$a = '';
if (is_bool($arg)) {
$a = $arg ? '(true)' : '(false)';
} else {
if (is_scalar($arg)) {
$a = '(' . $arg . ')';
} else {
if (is_array($arg)) {
$a = array();
foreach ($arg as $k => $v) {
$a[] = (is_numeric($k) ? '' : $k . ' => ') . gettype($v) . (is_scalar($v) ? is_bool($v) ? $v ? '(true)' : '(false)' : '(' . $v . ')' : '');
}
$a = '(' . implode(', ', $a) . ')';
}
}
}
$args[] = gettype($arg) . $a;
}
$s .= $caller['function'] . '(' . implode(', ', $args) . ')';
$message = $s . ' ' . $message;
}
}
try {
$dbiexception = count(array_filter(debug_backtrace(), function ($t) {
return array_key_exists('class', $t) && preg_match('`^DBI.+Exception$`', $t['class']);
}));
if ($level != LogLevels::DEBUG && !$dbiexception && Auth::isAuthenticated()) {
$message = '[user ' . Auth::user()->email . '] ' . $message;
}
} catch (Exception $e) {
}
$message = '[' . self::$process . ':' . $level . '] ' . $message;
foreach (self::$facilities as $facility) {
if (array_key_exists('process', $facility)) {
$accepted = array_filter(array_map('trim', preg_split('`[\\s,|]`', $facility['process'])));
if (!in_array('*', $accepted) && !in_array(self::$process, $accepted)) {
continue;
}
}
if (array_key_exists('level', $facility)) {
$max = self::$levels[$facility['level']];
if (self::$levels[$level] > $max) {
continue;
}
}
$method = get_called_class() . '::' . $facility['method'];
call_user_func($method, $facility, $level, $message);
}
}
/**
* Check log level and write log message data to file.
* @param string $data
* @return none
*/
public function WriteLog($data, $logLevel)
{
if ($logLevel <= self::$_logLevel) {
$this->Write(LogLevels::GetLevelDescription($logLevel) . ': ' . $data);
}
}
