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Authen::PAAS(3) User Contributed Perl Documentation Authen::PAAS(3)

Authen::PAAS - Perl Authentication & Authorization Service

  use Authen::PAAS::Context
  use Authen::PAAS::SimpleCallback;
  use Config::Record;

  my $config = Config::Record->new("/etc/myapp.cfg");

  my $context = Authen::PAAS::Context->new($config, "myapp");

  my $callbacks = {
    "username" => Authen::PAAS::SimpleCallback->new("joeblogs"),
    "password" => Authen::PAAS::SimpleCallback->new("123456"),
  };

  my $subject = $context->login($callbacks);

  unless ($subject) {
     die "could not authenticate subject"
  }

  .. do some work using the subject ..

  $context->logout($subject);

The "Authen::PAAS" distribution provides a Perl API for authenticating and authorizing users of computing services. Its design is inspired by existing pluggable authentication services such as "PAM" and Java's "JAAS", so people familiar with those two services should be comfortable with the concepts in "Authen::PAAS". At its heart, "Authen::PAAS" provides a login service, with pluggable modules for performing different authentication schemes. The pluggable framework enables the system administrator, rather than the application developer to define what method is used to authentication with a particular application.

One might ask, why not just use PAM directly via the existing Authen::PAM Perl bindings. While this works well for applications which wish to authenticate against real UNIX user accounts (eg FTP, Telnet, SSH), it is not particularly well suited to applications with 'virtualized' user accounts. For example, a web application may maintain a set of virtual user accounts in a database, or a chat server, may maintain a set of user accounts in a text configuration file. Since it merely delegates through to the underlying C libraries, the Authen::PAM module does not provide a convenient means to write new authentication schemes in Perl. Thus the "Authen::PAAS" distribution provides a pure Perl API for authentication.

Copyright 2004-2006 Daniel Berrange <dan@berrange.com>

Authen::PAAS::Context, Authen::PAAS::Subject, pam(8), Authen::PAM
2006-06-22 perl v5.32.1

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