Symfony2 检查服务中的用户角色 [英] Symfony2 check user role in Service

问题描述

如何在 symfony2 服务的代码中检查用户角色?我应该简单地将用户角色对象发送到服务，还是有允许我从服务级别进行检查的解决方案?

How can I check user role in code of a symfony2 Service? Should I simply send a user roles object to a Service or is there solution which allows me to do the check from Service level?

推荐答案

假设:

• 你在你的服务中注入 security.context

public function __construct(SecurityContext $securityContext) {
  $this->securityContext = $securityContext;
}

您正在使用 FosUserBundle

you are using FosUserBundle

我正确理解你的问题:-)

I understood correctly your question :-)

你应该能够做到:

$token = $this->securityContext->getToken();
if (empty($token)) {
    return [];
}
$user = $token->getUser();
if (empty($user)) {
    return [];
}
$roles = $user->getRoles();

更新 2016/11/28

1. 已更新答案以传递特定依赖项而不是整个容器，因为这是一种不好的做法(请参阅@Shady 的评论)
2. 请注意，从 Symfony 2.6 开始，SecurityContext 已被弃用，您应该改用 TokenStorage.

1. Answer updated to pass the specific dependency instead of the whole container, as that is a bad practice (see comment by @Shady)
2. Note that starting from Symfony 2.6, SecurityContext is deprecated, you should use TokenStorage instead.

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