<?php
namespace Illuminate\Auth;
use Closure;
use Illuminate\Contracts\Auth\Factory as FactoryContract;
use InvalidArgumentException;
/**
* @mixin \Illuminate\Contracts\Auth\Guard
* @mixin \Illuminate\Contracts\Auth\StatefulGuard
*/
class AuthManager implements FactoryContract
{
use CreatesUserProviders;
/**
* The application instance.
*
* @var \Illuminate\Contracts\Foundation\Application
*/
protected $app;
/**
* The registered custom driver creators.
*
* @var array
*/
protected $customCreators = [];
/**
* The array of created "drivers".
*
* @var array
*/
protected $guards = [];
/**
* The user resolver shared by various services.
*
* Determines the default user for Gate, Request, and the Authenticatable contract.
*
* @var \Closure
*/
protected $userResolver;
/**
* Create a new Auth manager instance.
*
* @param \Illuminate\Contracts\Foundation\Application $app
* @return void
*/
public function __construct($app)
{
$this->app = $app;
$this->userResolver = fn ($guard = null) => $this->guard($guard)->user();
}
/**
* Attempt to get the guard from the local cache.
*
* @param string|null $name
* @return \Illuminate\Contracts\Auth\Guard|\Illuminate\Contracts\Auth\StatefulGuard
*/
public function guard($name = null)
{
$name = $name ?: $this->getDefaultDriver();
return $this->guards[$name] ?? $this->guards[$name] = $this->resolve($name);
}
/**
* Resolve the given guard.
*
* @param string $name
* @return \Illuminate\Contracts\Auth\Guard|\Illuminate\Contracts\Auth\StatefulGuard
*
* @throws \InvalidArgumentException
*/
protected function resolve($name)
{
$config = $this->getConfig($name);
if (is_null($config)) {
throw new InvalidArgumentException("Auth guard [{$name}] is not defined.");
}
if (isset($this->customCreators[$config['driver']])) {
return $this->callCustomCreator($name, $config);
}
$driverMethod = 'create'.ucfirst($config['driver']).'Driver';
if (method_exists($this, $driverMethod)) {
return $this->{$driverMethod}($name, $config);
}
throw new InvalidArgumentException(
"Auth driver [{$config['driver']}] for guard [{$name}] is not defined."
);
}
/**
* Call a custom driver creator.
*
* @param string $name
* @param array $config
* @return mixed
*/
protected function callCustomCreator($name, array $config)
{
return $this->customCreators[$config['driver']]($this->app, $name, $config);
}
/**
* Create a session based authentication guard.
*
* @param string $name
* @param array $config
* @return \Illuminate\Auth\SessionGuard
*/
public function createSessionDriver($name, $config)
{
$provider = $this->createUserProvider($config['provider'] ?? null);
$guard = new SessionGuard(
$name,
$provider,
$this->app['session.store'],
);
// When using the remember me functionality of the authentication services we
// will need to be set the encryption instance of the guard, which allows
// secure, encrypted cookie values to get generated for those cookies.
if (method_exists($guard, 'setCookieJar')) {
$guard->setCookieJar($this->app['cookie']);
}
if (method_exists($guard, 'setDispatcher')) {
$guard->setDispatcher($this->app['events']);
}
if (method_exists($guard, 'setRequest')) {
$guard->setRequest($this->app->refresh('request', $guard, 'setRequest'));
}
if (isset($config['remember'])) {
$guard->setRememberDuration($config['remember']);
}
return $guard;
}
/**
* Create a token based authentication guard.
*
* @param string $name
* @param array $config
* @return \Illuminate\Auth\TokenGuard
*/
public function createTokenDriver($name, $config)
{
// The token guard implements a basic API token based guard implementation
// that takes an API token field from the request and matches it to the
// user in the database or another persistence layer where users are.
$guard = new TokenGuard(
$this->createUserProvider($config['provider'] ?? null),
$this->app['request'],
$config['input_key'] ?? 'api_token',
$config['storage_key'] ?? 'api_token',
$config['hash'] ?? false
);
$this->app->refresh('request', $guard, 'setRequest');
return $guard;
}
/**
* Get the guard configuration.
*
* @param string $name
* @return array
*/
protected function getConfig($name)
{
return $this->app['config']["auth.guards.{$name}"];
}
/**
* Get the default authentication driver name.
*
* @return string
*/
public function getDefaultDriver()
{
return $this->app['config']['auth.defaults.guard'];
}
/**
* Set the default guard driver the factory should serve.
*
* @param string $name
* @return void
*/
public function shouldUse($name)
{
$name = $name ?: $this->getDefaultDriver();
$this->setDefaultDriver($name);
$this->userResolver = fn ($name = null) => $this->guard($name)->user();
}
/**
* Set the default authentication driver name.
*
* @param string $name
* @return void
*/
public function setDefaultDriver($name)
{
$this->app['config']['auth.defaults.guard'] = $name;
}
/**
* Register a new callback based request guard.
*
* @param string $driver
* @param callable $callback
* @return $this
*/
public function viaRequest($driver, callable $callback)
{
return $this->extend($driver, function () use ($callback) {
$guard = new RequestGuard($callback, $this->app['request'], $this->createUserProvider());
$this->app->refresh('request', $guard, 'setRequest');
return $guard;
});
}
/**
* Get the user resolver callback.
*
* @return \Closure
*/
public function userResolver()
{
return $this->userResolver;
}
/**
* Set the callback to be used to resolve users.
*
* @param \Closure $userResolver
* @return $this
*/
public function resolveUsersUsing(Closure $userResolver)
{
$this->userResolver = $userResolver;
return $this;
}
/**
* Register a custom driver creator Closure.
*
* @param string $driver
* @param \Closure $callback
* @return $this
*/
public function extend($driver, Closure $callback)
{
$this->customCreators[$driver] = $callback;
return $this;
}
/**
* Register a custom provider creator Closure.
*
* @param string $name
* @param \Closure $callback
* @return $this
*/
public function provider($name, Closure $callback)
{
$this->customProviderCreators[$name] = $callback;
return $this;
}
/**
* Determines if any guards have already been resolved.
*
* @return bool
*/
public function hasResolvedGuards()
{
return count($this->guards) > 0;
}
/**
* Forget all of the resolved guard instances.
*
* @return $this
*/
public function forgetGuards()
{
$this->guards = [];
return $this;
}
/**
* Set the application instance used by the manager.
*
* @param \Illuminate\Contracts\Foundation\Application $app
* @return $this
*/
public function setApplication($app)
{
$this->app = $app;
return $this;
}
/**
* Dynamically call the default driver instance.
*
* @param string $method
* @param array $parameters
* @return mixed
*/
public function __call($method, $parameters)
{
return $this->guard()->{$method}(...$parameters);
}
}