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Symfony2 自定义选民 : cannot have access to getDoctrine from inside the Voter

转载 作者:行者123 更新时间:2023-12-04 13:59:51 25 4
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我正在尝试实现自定义选民。

从 Controller 我这样称呼它:

$prj = $this->getDoctrine()->getRepository('AppBundle:Project')->findOneById($id);
if (false === $this->get('security.authorization_checker')->isGranted('responsible', $prj)) {
throw new AccessDeniedException('Unauthorised access!');
}

第一行正确检索 Project 对象(我使用转储进行了检查)。

问题发生在选民内部
<?php
namespace AppBundle\Security\Authorization\Voter;

use Symfony\Component\Security\Core\Authorization\Voter\VoterInterface;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Core\User\UserInterface;


class ProjectVoter implements VoterInterface
{
const RESPONSIBLE = 'responsible';
const ACCOUNTABLE = 'accountable';
const SUPPORT = 'support';
const CONSULTED = 'consulted';
const INFORMED = 'informed';

public function supportsAttribute($attribute)
{
return in_array($attribute, array(
self::RESPONSIBLE,
self::ACCOUNTABLE,
self::SUPPORT,
self::CONSULTED,
self::INFORMED,
));
}

public function supportsClass($class)
{
$supportedClass = 'AppBundle\Entity\Project';

return $supportedClass === $class || is_subclass_of($class, $supportedClass);
}

/**
* @var \AppBundle\Entity\Project $project
*/
public function vote(TokenInterface $token, $project, array $attributes)
{
// check if class of this object is supported by this voter
if (!$this->supportsClass(get_class($project))) {
return VoterInterface::ACCESS_ABSTAIN;
}

// check if the voter is used correct, only allow one attribute
// this isn't a requirement, it's just one easy way for you to
// design your voter
if (1 !== count($attributes)) {
throw new \InvalidArgumentException(
'Only one attribute is allowed'
); //in origin it was 'for VIEW or EDIT, which were the supported attributes
}

// set the attribute to check against
$attribute = $attributes[0];

// check if the given attribute is covered by this voter
if (!$this->supportsAttribute($attribute)) {
return VoterInterface::ACCESS_ABSTAIN;
}

// get current logged in user
$user = $token->getUser();

// make sure there is a user object (i.e. that the user is logged in)
if (!$user instanceof UserInterface) {
return VoterInterface::ACCESS_DENIED;
}

$em = $this->getDoctrine()->getManager();
$projects = $em->getRepository('AppBundle:Project')->findPrjByUserAndRole($user, $attribute);

foreach ($projects as $key => $prj) {
if ($prj['id'] === $project['id'])
{
$granted = true;
$index = $key; // save the index of the last time a specifif project changed status
}
}
if($projects[$index]['is_active']===true) //if the last status is active
return VoterInterface::ACCESS_GRANTED;
else
return VoterInterface::ACCESS_DENIED;
}
}

我收到以下错误

Attempted to call method "getDoctrine" on class "AppBundle\Security\Authorization\Voter\ProjectVoter".



我知道 Controller 扩展了 Controller ,这就是为什么我可以在那里使用“getDoctrine”。如何从 Voter 内部访问我的数据库?

最佳答案

我解决了。这很奇怪:我花了几个小时或几天来解决一个问题,然后在这里发布一个问题,然后我在一个小时内自己解决了:/

我需要在我的选民课中添加以下内容:

public function __construct(EntityManager $em)
{
$this->em = $em;
}

我需要在顶部添加以下内容:
use Doctrine\ORM\EntityManager; 

我还需要在 service.yml 中添加参数
security.access.project_voter:
class: AppBundle\Security\Authorization\Voter\ProjectVoter
arguments: [ @doctrine.orm.entity_manager ]
public: false
tags:
- { name: security.voter }

关于Symfony2 自定义选民 : cannot have access to getDoctrine from inside the Voter,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/27509363/

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