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perl6中使用Cro的基本身份验证

cro perl6 basic-authentication

9

Martin Barth · 技术社区 · 7 年前

401 Unauthorized 如果你不提供任何证件。如果你提供了错误的证件,我想看看 403 Forbidden

在我的代码示例中,我从未看到 MyBasicAuth 正在调用的中间件:

class MyUser does Cro::HTTP::Auth {
    has $.username;
}

subset LoggedInUser of MyUser where { .username.defined }

class MyBasicAuth does Cro::HTTP::Auth::Basic[MyUser, "username"] {
    method authenticate(Str $user, Str $pass --> Bool) {
        # No, don't actually do this!
        say "authentication called";
        my $success = $user eq 'admin' && $pass eq 'secret';
        forbidden without $success;
        return $success
    }
}

sub routes() is export {
    my %storage;
    route {
        before MyBasicAuth.new;
        post -> LoggedInUser $user, 'api' {
            request-body -> %json-object {
                my $uuid = UUID.new(:version(4));
                %storage{$uuid} = %json-object;
                created "api/$uuid", 'application/json', %json-object;
            }
        }
    }
}

2 回复 | 直到 7 年前

1

6

Jonathan Worthington 7 年前

这种结构:

route {
    before MyBasicAuth.new;
    post -> LoggedInUser $user, 'api' {
        ...
    }
}

取决于新的 before after 即将发布的cro0.8.0中的语义。在当前的Cro发布中,在请求/编写时-以及之前的版本中- 之前 在一个 route 将

route {
    before MyBasicAuth.new;
    delegate <*> => route {
        post -> LoggedInUser $user, 'api' {
            ...
        }
    }
}

它确保在考虑任何路由匹配之前应用中间件。这不是很好,因此在即将到来的0.8.0中的更改(它还将引入 before-matched 那是原版的 之前

最后, forbidden without $success; forbidden sub是 Cro::HTTP::Router authenticate 方法是它返回一个真实值来决定应该发生什么;这不是一个合适的地方来尝试和强制不同的响应代码。

无法匹配身份验证约束,如 LoggedInUser 将生成401。要重写它,请添加 之后 在最外面

route {
    before MyBasicAuth.new;
    after { forbidden if response.status == 401; }
    delegate <*> => route {
        post -> LoggedInUser $user, 'api' {
            ...
        }
    }
}

2

3

Martin Barth 7 年前

似乎目前有一个错误,在cro发布版本,这是已经固定在上游上 github . 在“perl6 IRC频道”的senaŧu kun的帮助下,我们使用了当前版本的 cro-http :

$ git clone https://github.com/croservices/cro-http.git
$ perl6 -Icro-http/lib example.p6

curl 我终于看到了“身份验证调用”。

这个 curl -v -d '{"string":"hi"}' http://admin:secret@localhost:10000/api 我忘了加 -H 'Content-Type: application/json'

authentication called An operation first awaited:   in sub request-body at /home/martin/.workspace/voteimproved/cro-http/lib/Cro/HTTP/Router.pm6 (Cro::HTTP::Router) line 716   in block  at restapp/example.pl line 24 in block  at /home/martin/.workspace/voteimproved/cro-http/lib/Cro/HTTP/Router.pm6 (Cro::HTTP::Router) line 130

Died with the exception:
    Cannot unbox a type object (Nil) to int.
      in sub decode-payload-to-pairs at /home/martin/.workspace/voteimproved/cro-http/lib/Cro/HTTP/BodyParsers.pm6 (Cro::HTTP::BodyParsers) line 62
      in method parse at /home/martin/.workspace/voteimproved/cro-http/lib/Cro/HTTP/BodyParsers.pm6 (Cro::HTTP::BodyParsers) line 50
      in method body at /home/martin/.rakudobrew/moar-2018.08/install/share/perl6/site/sources/557D6C932894CB1ADE0F83C0596851F9212C2A67 (Cro::MessageWithBody) line 77
      in sub request-body at /home/martin/.workspace/voteimproved/cro-http/lib/Cro/HTTP/Router.pm6 (Cro::HTTP::Router) line 716
      in block  at restapp/example.pl line 24
      in block  at /home/martin/.workspace/voteimproved/cro-http/lib/Cro/HTTP/Router.pm6 (Cro::HTTP::Router) line 130

这个第二 forbidden 在本部分中:

class MyBasicAuth does Cro::HTTP::Auth::Basic[MyUser, "username"] {
    method authenticate(Str $user, Str $pass --> Bool) {
        say "authentication called";
        my $success = $user eq 'admin' && $pass eq 'secret';
        forbidden unless $success;
        return $success;
    } }

authentication called
Can only use 'content' inside of a request handler
  in sub set-status at /home/martin/.workspace/voteimproved/cro-http/lib/Cro/HTTP/Router.pm6 (Cro::HTTP::Router) line 846
  in sub forbidden at /home/martin/.workspace/voteimproved/cro-http/lib/Cro/HTTP/Router.pm6 (Cro::HTTP::Router) line 823
  in method authenticate at restapp/example.pl line 15
  in method process-auth at /home/martin/.workspace/voteimproved/cro-http/lib/Cro/HTTP/Auth/Basic.pm6 (Cro::HTTP::Auth::Basic) line 26
  in block  at /home/martin/.workspace/voteimproved/cro-http/lib/Cro/HTTP/Auth/Basic.pm6 (Cro::HTTP::Auth::Basic) line 11
  in block  at /home/martin/.workspace/voteimproved/cro-http/lib/Cro/HTTP/Auth/Basic.pm6 (Cro::HTTP::Auth::Basic) line 8
  in block  at /home/martin/.workspace/voteimproved/cro-http/lib/Cro/HTTP/Internal.pm6 (Cro::HTTP::Internal) line 22
  in block  at /home/martin/.workspace/voteimproved/cro-http/lib/Cro/HTTP/RequestParser.pm6 (Cro::HTTP::RequestParser) line 109
  in block  at /home/martin/.workspace/voteimproved/cro-http/lib/Cro/HTTP/RequestParser.pm6 (Cro::HTTP::RequestParser) line 90
  in block  at /home/martin/.rakudobrew/moar-2018.08/install/share/perl6/site/sources/F048BB66854D2463798A39CC2B01D4CC1532F957 (Cro::TCP) line 53

我想这个问题很快就会解决的!