[英]Symfony how to return all logged in Active Users
我想返回我的应用程序的所有登录用户并将其呈现在我的仪表板中。 应该从会话中检索user_id
和user_name
(我使用外部 LDAP 库进行身份验证)
我在数据库中创建了一个名为lastActivity
的字段,该字段将包含上次登录时间,然后我可以查询数据库以获取过去 2 分钟内登录的lastActivity
显示用户。
活动监听器.php
<?php
namespace Bnpp\SecurityBundle\EventListener;
use Doctrine\ORM\EntityManager;
//use Symfony\Component\Security\Core\User\UserInterface;
use Symfony\Component\Security\Core\SecurityContext;
use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
use Symfony\Component\HttpKernel\HttpKernel;
use Acme\SecurityBundle\Entity\User;
use Doctrine\Bundle\DoctrineBundle\Registry;
/**
* Listener that updates the last activity of the authenticated user
*/
class ActivityListener
{
protected $securityContext;
protected $entityManager;
public function __construct(SecurityContext $securityContext, EntityManager $entityManager)
{
$this->securityContext = $securityContext;
$this->entityManager = $entityManager;
}
/**
* Update the user "lastActivity" on each request
* @param FilterControllerEvent $event
*/
public function onCoreController(FilterControllerEvent $event)
{
// Check that the current request is a "MASTER_REQUEST"
// Ignore any sub-request
if ($event->getRequestType() !== HttpKernel::MASTER_REQUEST) {
return;
}
// Check token authentication availability
if ($this->securityContext->getToken()) {
$user = $this->securityContext->getToken()->getUser();
if ( ($user instanceof User) && !($user->isActiveNow()) ) {
$user->setLastActivity(new \DateTime('now'));
$this->entityManager->flush($user);
}
}
}
}
服务.yml
services:
activity_listener:
class: Bnpp\SecurityBundle\EventListener\ActivityListener
arguments: [@security.context, @doctrine.orm.entity_manager]
tags:
- { name: kernel.event_listener, event: kernel.controller, method: onCoreController }
用户实体
<?php
namespace Acme\SecurityBundle\Entity;
use Doctrine\ORM\Mapping as ORM;
use Symfony\Component\Security\Core\User\UserInterface;
/**
* User
*
* @ORM\Table(name="users")
* @ORM\Entity(repositoryClass="Acme\SecurityBundle\Entity\UserRepository")
*/
class User implements UserInterface
{
/**
* @var \DateTime
* @ORM\Column(name="LASTACTIVITY", type="datetime")
*/
private $lastActivity;
/**
* @return bool whether the user is active or not
*/
public function isActiveNow()
{
$delay = new\DateTime('2 minutes ago');
return($this->getlastActivity()>$delay);
}
/**
* Set lastActivity
*
* @param\Datetime $lastActivity
* @return User
*/
public function setlastActivity($lastActivity)
{
$this->lastActivity = $lastActivity;
return $this;
}
/**
* Get lastActivity
*
* @return \DateTime
*/
public function getlastActivity()
{
return $this->lastActivity;
}
}
这里有一篇很棒的帖子:列出在线用户。
您可以创建一个侦听kernel.controller
事件并在每次用户处于活动状态时更新用户字段 lastActivity 的侦听器。 您可以检查lastActivity < now()- 2 minutes
并更新 lastActivity 时间戳。
注意:如果您没有使用 FOSUserBundle,请参阅下面的编辑。
1将此添加到您的用户实体
/**
* Date/Time of the last activity
*
* @var \Datetime
* @ORM\Column(name="last_activity_at", type="datetime")
*/
protected $lastActivityAt;
/**
* @param \Datetime $lastActivityAt
*/
public function setLastActivityAt($lastActivityAt)
{
$this->lastActivityAt = $lastActivityAt;
}
/**
* @return \Datetime
*/
public function getLastActivityAt()
{
return $this->lastActivityAt;
}
/**
* @return Bool Whether the user is active or not
*/
public function isActiveNow()
{
// Delay during wich the user will be considered as still active
$delay = new \DateTime('2 minutes ago');
return ( $this->getLastActivityAt() > $delay );
}
2创建事件监听器
<?php
namespace Acme\UserBundle\EventListener;
use Symfony\Component\Security\Core\SecurityContext;
use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
use Symfony\Component\HttpKernel\HttpKernel;
use FOS\UserBundle\Model\UserManagerInterface;
use FOS\UserBundle\Model\UserInterface;
/**
* Listener that updates the last activity of the authenticated user
*/
class ActivityListener
{
protected $securityContext;
protected $userManager;
public function __construct(SecurityContext $securityContext, UserManagerInterface $userManager)
{
$this->securityContext = $securityContext;
$this->userManager = $userManager;
}
/**
* Update the user "lastActivity" on each request
* @param FilterControllerEvent $event
*/
public function onCoreController(FilterControllerEvent $event)
{
// Check that the current request is a "MASTER_REQUEST"
// Ignore any sub-request
if ($event->getRequestType() !== HttpKernel::MASTER_REQUEST) {
return;
}
// Check token authentication availability
if ($this->securityContext->getToken()) {
$user = $this->securityContext->getToken()->getUser();
if ( ($user instanceof UserInterface) && !($user->isActiveNow()) ) {
$user->setLastActivityAt(new \DateTime());
$this->userManager->updateUser($user);
}
}
}
}
3 将事件监听器声明为服务
parameters:
acme_user.activity_listener.class: Acme\UserBundle\EventListener\ActivityListener
services:
acme_user.activity_listener:
class: %acme_user.activity_listener.class%
arguments: [@security.context, @fos_user.user_manager]
tags:
- { name: kernel.event_listener, event: kernel.controller, method: onCoreController }
一切顺利!
1将此添加到您的用户实体
Same as Step 1 Above
2创建事件监听器
<?php
namespace Acme\UserBundle\EventListener;
use Symfony\Component\Security\Core\SecurityContext;
use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
use Symfony\Component\HttpKernel\HttpKernel;
use Doctrine\ORM\EntityManager;
use Acme\UserBundle\Entity\User;
/**
* Listener that updates the last activity of the authenticated user
*/
class ActivityListener
{
protected $securityContext;
protected $entityManager;
public function __construct(SecurityContext $securityContext, EntityManager $entityManager)
{
$this->securityContext = $securityContext;
$this->entityManager = $entityManager;
}
/**
* Update the user "lastActivity" on each request
* @param FilterControllerEvent $event
*/
public function onCoreController(FilterControllerEvent $event)
{
// Check that the current request is a "MASTER_REQUEST"
// Ignore any sub-request
if ($event->getRequestType() !== HttpKernel::MASTER_REQUEST) {
return;
}
// Check token authentication availability
if ($this->securityContext->getToken()) {
$user = $this->securityContext->getToken()->getUser();
if ( ($user instanceof User) && !($user->isActiveNow()) ) {
$user->setLastActivityAt(new \DateTime());
$this->entityManager->flush($user);
}
}
}
}
3 将事件监听器声明为服务
parameters:
acme_user.activity_listener.class: Acme\UserBundle\EventListener\ActivityListener
services:
acme_user.activity_listener:
class: %acme_user.activity_listener.class%
arguments: [@security.context, @doctrine.orm.entity_manager]
tags:
- { name: kernel.event_listener, event: kernel.controller, method: onCoreController }
一切顺利!
由于我无法对帖子发表评论,因此我仍然想通过此答案对Mick的答案发表评论。
由于 Symfony 2.6 不推荐使用 SecurityContext 类,在这种情况下,应使用 TokenStorage 类代替。
因此,services.yml 将如下所示:
services:
acme_user.activity_listener:
class: %acme_user.activity_listener.class%
arguments: ['@security.token_storage', '@doctrine.orm.entity_manager']
tags:
- { name: kernel.event_listener, event: kernel.controller, method: onCoreController }
而且,而不是
use Symfony\Component\Security\Core\SecurityContext;
一个应该
use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorage;
(也用 TokenStorage 类替换类中的 SecurityContext )
然后,在第 38 行,将使用检查令牌可用性
$this->tokenStorage->getToken()
并且,在第 39 行,用户实例将使用
$this->tokenStorage->getToken()->getUser()
在Symfony 4 中,我通过以下方式解决了这个问题。
<?php
namespace App\EventSubscriber;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpKernel\KernelEvents;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\Security\Core\Security;
class ActivitySubscriber implements EventSubscriberInterface {
private $em;
private $security;
public function __construct(
EntityManagerInterface $em, Security $security) {
$this->em = $em;
$this->security = $security;
}
public function onTerminate() {
$user = $this->security->getUser();
if (!$user->isActiveNow()) {
$user->setLastActivityAt(new \DateTime());
$this->em->persist($user);
$this->em->flush($user);
}
}
public static function getSubscribedEvents() {
return [
// must be registered before (i.e. with a higher priority than) the default Locale listener
KernelEvents::TERMINATE => [['onTerminate', 20]],
];
}
}
对于 Symfony3.4 (4),我使用EntityManagerInterface来更新用户,并使用Security来获取用户,以下代码对我有用:
应用程序/配置/服务.yml
AppBundle\Service\ActivityListener:
tags:
- { name: 'kernel.event_listener', event: 'kernel.controller', method: onCoreController }
服务/ActivityListener.php
<?php
namespace AppBundle\Service;
use AppBundle\Entity\User;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
use Symfony\Component\HttpKernel\HttpKernel;
use Symfony\Component\Security\Core\Security;
class ActivityListener
{
private $em;
private $security;
public function __construct(EntityManagerInterface $em, Security $security)
{
$this->em = $em;
$this->security = $security;
}
public function onCoreController(FilterControllerEvent $event)
{
// Check that the current request is a "MASTER_REQUEST"
// Ignore any sub-request
if ($event->getRequestType() !== HttpKernel::MASTER_REQUEST) {
return;
}
// Check token authentication availability
if ($this->security->getToken()) {
$user = $this->security->getToken()->getUser();
if ( ($user instanceof User) && !($user->isActiveNow()) ) {
$user->setLastActivityAt(new \DateTime());
$this->em->persist($user);
$this->em->flush($user);
}
}
}
}
Symfony 3.4 更新
1. 将此添加到您的用户实体
Same as Step 1 Above
2. 创建事件监听器
<?php
namespace Acme\UserBundle\EventListener;
use Symfony\Component\Security\Core\SecurityContext;
use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
use Symfony\Component\HttpKernel\HttpKernel;
use Doctrine\ORM\EntityManager;
use Acme\UserBundle\Entity\User;
/**
* Listener that updates the last activity of the authenticated user
*/
class ActivityListener
{
protected $tokenContext;
protected $doctrine;
public function __construct(TokenyContext $tokenContext, $doctrine)
{
$this->tokenContext= $tokenContext;
$this->doctrine= $doctrine;
}
/**
* Update the user "lastActivity" on each request
* @param FilterControllerEvent $event
*/
public function onCoreController(FilterControllerEvent $event)
{
// Check that the current request is a "MASTER_REQUEST"
// Ignore any sub-request
if ($event->getRequestType() !== HttpKernel::MASTER_REQUEST) {
return;
}
// Check token authentication availability
if ($this->tokenContext->getToken()) {
$user = $this->tokenContext->getToken()->getUser();
if ( ($user instanceof User) && !($user->isActiveNow()) ) {
$user->setLastActivityAt(new \DateTime());
$this->doctrine->getManager()->flush($user);
}
}
}
}
3. 将事件监听器声明为服务
parameters:
acme_user.activity_listener.class: Acme\UserBundle\EventListener\ActivityListener
services:
acme_user.activity_listener:
class: %acme_user.activity_listener.class%
arguments: ['@security.token_storage', '@doctrine']
tags:
- { name: kernel.event_listener, event: kernel.controller, method: onCoreController }
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