[Dancer-users] Dancer-users Digest, Vol 10, Issue 14

awnstudio at gmail.com awnstudio at gmail.com
Tue Dec 14 08:50:24 CET 2010


Just my 2 cents, ... From my blackberry. RBAC::Credentials::MyAuth is where you should create you custom auth class. Yes you can subclass it but the boilerplate is very minimal so just copy and paste and alter.

Also in the config.yml, everything under the plugin name is passed as the options hashref, .e.g. Config, MySQL, MyApp, etc
Sent from my Verizon Wireless BlackBerry

-----Original Message-----
From: dancer-users-request at perldancer.org
Sender: dancer-users-bounces at perldancer.org
Date: Tue, 14 Dec 2010 09:56:42 
To: <dancer-users at perldancer.org>
Reply-To: dancer-users at perldancer.org
Subject: Dancer-users Digest, Vol 10, Issue 14

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Today's Topics:

   1. Can I subclass DP::Authorize::Credentials from a	different
      namespace (Gurunandan Bhat)
   2. Use of uninitialized value $values[0] in... Route.pm	line 80
      (Puneet Kishor)
   3. Secure http (https) with Dancer (Gurunandan Bhat)
   4. Re: Secure http (https) with Dancer (Roman Galeev)
   5. Re: Secure http (https) with Dancer (Gurunandan Bhat)
   6. Re: Can I subclass DP::Authorize::Credentials from a
      different namespace (sawyer x)
   7. Re: Use of uninitialized value $values[0] in... Route.pm line
      80 (sawyer x)


----------------------------------------------------------------------

Message: 1
Date: Tue, 14 Dec 2010 00:40:46 +0530
From: Gurunandan Bhat <gbhat at pobox.com>
Subject: [Dancer-users] Can I subclass DP::Authorize::Credentials from
	a	different namespace
To: Dancers <dancer-users at perldancer.org>
Message-ID:
	<AANLkTi=UP2aDRsH2tiWWWHMnoEK4pJsJtyJumPW=-Fiv at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

Hi,

I want to subclass Dancer::Plugin::Authorize::Credentials but not in the
DPAC namespace, but in my App namespace, essentially something that
would go like this:

package App:Authenticate;
use base qw/Dancer::Plugin::Authorize::Credentials/;

sub authorize {
    my ($app, $opts, $username, $passwd) = @_;
    .....
}

1;

I have two questions:

1. Can I do this?
2. If yes, how do I set option parameters in config.yml so that they are
passed as a hashref in $opts.

Thank you.


-----------------------------------------------------------------
dancer does for web frameworks what sqlite did to databases


------------------------------

Message: 2
Date: Mon, 13 Dec 2010 16:30:05 -0600
From: Puneet Kishor <punk.kish at gmail.com>
Subject: [Dancer-users] Use of uninitialized value $values[0] in...
	Route.pm	line 80
To: dancer-users <dancer-users at perldancer.org>
Message-ID: <4D069E6D.3000307 at gmail.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

How do I debug something like this?

[Mon Dec 13 16:26:07 2010] [error] [client 127.0.0.1] Use of 
uninitialized value $values[0] in join or string at 
/usr/local/lib/perl5/site_perl/5.12.1/Dancer/Route.pm line 80.

Seems to happen when I visit the root of my web site, for example, 
http://server.com/ without anything after .com/....

-- 
Puneet Kishor




------------------------------

Message: 3
Date: Tue, 14 Dec 2010 09:11:38 +0530
From: Gurunandan Bhat <gbhat at pobox.com>
Subject: [Dancer-users] Secure http (https) with Dancer
To: Dancers <dancer-users at perldancer.org>
Message-ID:
	<AANLkTi=UPa4=FDPGTwaDKaRgiat=6jUETVTD-8KaUKFs at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

Hi,

How can I write a secure http web application with Dancer.
I would like my application to be available on https://myapp


Thank you


------------------------------

Message: 4
Date: Tue, 14 Dec 2010 10:07:42 +0500
From: Roman Galeev <noc at nelcom-voip.com>
Subject: Re: [Dancer-users] Secure http (https) with Dancer
Cc: Dancers <dancer-users at perldancer.org>
Message-ID: <20101214100742.49036a1e at lenobook.jh>
Content-Type: text/plain; charset=UTF-8

?? Tue, 14 Dec 2010 09:11:38 +0530
Gurunandan Bhat <gbhat at pobox.com> ????????:

> Hi,
> 
> How can I write a secure http web application with Dancer.
> I would like my application to be available on https://myapp

Just put nginx in front of dancer.


------------------------------

Message: 5
Date: Tue, 14 Dec 2010 11:27:59 +0530
From: Gurunandan Bhat <gbhat at pobox.com>
Subject: Re: [Dancer-users] Secure http (https) with Dancer
To: Roman Galeev <noc at nelcom-voip.com>
Cc: Dancers <dancer-users at perldancer.org>
Message-ID:
	<AANLkTimyvru92aj=xwUm1F6cEShOHhiGu-6WbKYavTQ2 at mail.gmail.com>
Content-Type: text/plain; charset=UTF-8

Thank you.
I have set up a reverse apache proxy and I was wondering if there was
a better way

Thanks once again

On Tue, Dec 14, 2010 at 10:37 AM, Roman Galeev <noc at nelcom-voip.com> wrote:
> ?? Tue, 14 Dec 2010 09:11:38 +0530
> Gurunandan Bhat <gbhat at pobox.com> ????????:
>
>> Hi,
>>
>> How can I write a secure http web application with Dancer.
>> I would like my application to be available on https://myapp
>
> Just put nginx in front of dancer.
> _______________________________________________
> Dancer-users mailing list
> Dancer-users at perldancer.org
> http://www.backup-manager.org/cgi-bin/listinfo/dancer-users
>


------------------------------

Message: 6
Date: Tue, 14 Dec 2010 10:51:10 +0200
From: sawyer x <xsawyerx at gmail.com>
Subject: Re: [Dancer-users] Can I subclass DP::Authorize::Credentials
	from a different namespace
To: Gurunandan Bhat <gbhat at pobox.com>
Cc: Dancers <dancer-users at perldancer.org>
Message-ID:
	<AANLkTimGAbcA_7HCDPMvOMhO5BL7YU9GtoEfXbomF16r at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"

Hi!

First of all, Dance::Plugin::Authorize has been renamed as
Dancer::Plugin::Auth::RBAC<http://search.cpan.org/perldoc?Dancer::Plugin::Auth::RBAC>
.

This was a crucial change in order to allow a more organic expansion of the
Plugin namespace.

On Mon, Dec 13, 2010 at 9:10 PM, Gurunandan Bhat <gbhat at pobox.com> wrote:

>
> 1. Can I do this?
>

Of course.


> 2. If yes, how do I set option parameters in config.yml so that they are
> passed as a hashref in $opts.
>

In order to get Dancer to send your subclass the configuration for the
plugin, it has to sit on the Plugin namespace. That is, it should be called
Dancer::Plugin::My::App::Authorize or something like that. Then just set the
correct plugin name in the config.yml file.

For example:

    plugins:
      My::App::Authorize:
        credentials:
          class: Config
          options:
            accounts:
              user01:
                password: foobar

                roles:
                  - guest
                  - user
              user02:
                password: barbaz
                roles:
                  - admin


If you still wish to separate the namespace, you have two options:
1. Simply read the settings yourself from the config file
(setting('MyApp')->{'authorize') or something like that).
2. You can re-register your subclass with Dancer, making sure Dancer sends
it its settings automatically. Check the RBAC.pm source for this.

When subclassing RBAC, notice it has lexical file-scoped variables
(specifically $settings). These variables won't be overridden by simply
subclassing or fiddling with the symbol table, since they're sitting in the
lexical pad of the file. If you find need for RBAC to refactor and abstract
away that part, feel free to make any suggestions or (better yet) patches to
do that.

Franck is working on refactoring RBAC and he could take that into account,
if you approach him with it.

Good luck, happy hacking! :)

Sawyer.
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Message: 7
Date: Tue, 14 Dec 2010 10:56:17 +0200
From: sawyer x <xsawyerx at gmail.com>
Subject: Re: [Dancer-users] Use of uninitialized value $values[0]
	in... Route.pm line 80
To: Puneet Kishor <punk.kish at gmail.com>
Cc: dancer-users <dancer-users at perldancer.org>
Message-ID:
	<AANLkTinVVV-nvHxmE-vDFyRJsd5mYhEa9usKKbtEGk+W at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"

On Tue, Dec 14, 2010 at 12:30 AM, Puneet Kishor <punk.kish at gmail.com> wrote:

> How do I debug something like this?
>

You should activate the "console" logger and set the debugging flag on.

You'll notice this line to help you understand what's going on:
    Dancer::Logger::core("trying to match `$path' "
          . "against /"
          . $self->{_compiled_regexp}
          . "/");

It appears @values is being created by trying to match $path against the
compiled regex. That print will basically tell you what's wrong.

I would personally just download the latest stable, and run it locally with
"perl -IDancer-1.2003/lib bin/app.pl" (YMMV) so I could hack at the file, if
I need to.

Sawyer.
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