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<?php
namespace Barryvdh\Debugbar\DataCollector;
use Barryvdh\Debugbar\DataFormatter\SimpleFormatter;
use DebugBar\DataCollector\MessagesCollector;
use Illuminate\Auth\Access\Response;
use Illuminate\Contracts\Auth\Access\Gate;
use Illuminate\Contracts\Auth\Authenticatable;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Routing\Router;
use Symfony\Component\VarDumper\Cloner\VarCloner;
use Illuminate\Support\Str;
/**
* Collector for Laravel's gate checks
*/
class GateCollector extends MessagesCollector
{
/** @var int */
protected $backtraceLimit = 15;
/** @var array */
protected $reflection = [];
/** @var \Illuminate\Routing\Router */
protected $router;
/**
* @param Gate $gate
*/
public function __construct(Gate $gate, Router $router)
{
parent::__construct('gate');
$this->router = $router;
$this->setDataFormatter(new SimpleFormatter());
$gate->after(function ($user, $ability, $result, $arguments = []) {
$this->addCheck($user, $ability, $result, $arguments);
});
}
/**
* {@inheritDoc}
*/
protected function customizeMessageHtml($messageHtml, $message)
{
$pos = strpos((string) $messageHtml, 'array:5');
if ($pos !== false) {
$name = $message['ability'] .' ' . $message['target'] ?? '';
$messageHtml = substr_replace($messageHtml, $name, $pos, 7);
}
return parent::customizeMessageHtml($messageHtml, $message);
}
public function addCheck($user, $ability, $result, $arguments = [])
{
$userKey = 'user';
$userId = null;
if ($user) {
$userKey = Str::snake(class_basename($user));
$userId = $user instanceof Authenticatable ? $user->getAuthIdentifier() : $user->getKey();
}
$label = $result ? 'success' : 'error';
if ($result instanceof Response) {
$label = $result->allowed() ? 'success' : 'error';
}
$target = null;
if (isset($arguments[0])) {
if ($arguments[0] instanceof Model) {
$model = $arguments[0];
if ($model->getKeyName() && isset($model[$model->getKeyName()])) {
$target = get_class($model) . '(' . $model->getKeyName() . '=' . $model->getKey() . ')';
} else {
$target = get_class($model);
}
} else if (is_string($arguments[0])) {
$target = $arguments[0];
}
}
$this->addMessage([
'ability' => $ability,
'target' => $target,
'result' => $result,
$userKey => $userId,
'arguments' => $this->getDataFormatter()->formatVar($arguments),
], $label, false);
}
/**
* @param array $stacktrace
*
* @return array
*/
protected function getStackTraceItem($stacktrace)
{
foreach ($stacktrace as $i => $trace) {
if (!isset($trace['file'])) {
continue;
}
if (str_ends_with($trace['file'], 'Illuminate/Routing/ControllerDispatcher.php')) {
$trace = $this->findControllerFromDispatcher($trace);
} elseif (str_starts_with($trace['file'], storage_path())) {
$hash = pathinfo($trace['file'], PATHINFO_FILENAME);
if ($file = $this->findViewFromHash($hash)) {
$trace['file'] = $file;
}
}
if ($this->fileIsInExcludedPath($trace['file'])) {
continue;
}
return $trace;
}
return $stacktrace[0];
}
/**
* Find the route action file
*
* @param array $trace
* @return array
*/
protected function findControllerFromDispatcher($trace)
{
/** @var \Closure|string|array $action */
$action = $this->router->current()->getAction('uses');
if (is_string($action)) {
[$controller, $method] = explode('@', $action);
$reflection = new \ReflectionMethod($controller, $method);
$trace['file'] = $reflection->getFileName();
$trace['line'] = $reflection->getStartLine();
} elseif ($action instanceof \Closure) {
$reflection = new \ReflectionFunction($action);
$trace['file'] = $reflection->getFileName();
$trace['line'] = $reflection->getStartLine();
}
return $trace;
}
/**
* Find the template name from the hash.
*
* @param string $hash
* @return null|array
*/
protected function findViewFromHash($hash)
{
$finder = app('view')->getFinder();
if (isset($this->reflection['viewfinderViews'])) {
$property = $this->reflection['viewfinderViews'];
} else {
$reflection = new \ReflectionClass($finder);
$property = $reflection->getProperty('views');
$property->setAccessible(true);
$this->reflection['viewfinderViews'] = $property;
}
$xxh128Exists = in_array('xxh128', hash_algos());
foreach ($property->getValue($finder) as $name => $path) {
if (($xxh128Exists && hash('xxh128', 'v2' . $path) == $hash) || sha1('v2' . $path) == $hash) {
return $path;
}
}
}
}
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