Group
Extension

Mojolicious-Plugin-Config-Structured-Bootstrap/lib/Mojolicious/Plugin/Config/Structured/Bootstrap.pm

package Mojolicious::Plugin::Config::Structured::Bootstrap 0.06;
use v5.26;
use warnings;

# ABSTRACT: Autoconfigure Mojolicious application and plugins

use Mojo::Base 'Mojolicious::Plugin';

use Array::Utils qw(intersect);
use Hash::Merge;
use HTTP::Status     qw(:constants status_message);
use List::MoreUtils  qw(arrayify);
use Module::Loadable qw(module_loadable);
use DateTime::Format::MySQL;
use Readonly;
use Syntax::Keyword::Try;

use experimental qw(signatures);

Readonly::Hash my %RENDER_FAIL => (
  badreq   => HTTP_BAD_REQUEST,
  unauth   => HTTP_UNAUTHORIZED,
  notfound => HTTP_NOT_FOUND,
);
Readonly::Hash my %RENDER_SUCCESS => (nocontent => HTTP_NO_CONTENT);

sub register($self, $app, $app_config) {
  $app->log->debug("=================-CSBootstrap Starting-===================");

  my $cfg_dir = $app->home->child('cfg');
  my $merge   = Hash::Merge->new('RIGHT_PRECEDENT');

  my $ns_append = sub (@suffixes) {
    return join('::', ucfirst($app->moniker), @suffixes);
  };

  my $load = sub($name, $get_defaults = undef, $force_load = 0) {
    return unless (module_loadable("Mojolicious::Plugin::$name"));
    return if (!$force_load && exists($app_config->{$name}) && !defined($app_config->{$name}));
    try {
      my $defaults = ref($get_defaults) eq 'CODE' ? $get_defaults->() : {};
      $app->plugin($name, $merge->merge($defaults, $app_config->{$name} // {}));
      $app->log->debug("CSBootstrap loaded plugin '$name'");
    } catch ($e) {
      if ($e =~ /Can't locate object method "(.*)" via package "PKG0x/) {
        $e = "Config::Structured node '$1' does not exist";
      }
      chomp($e);
      $app->log->error("CSBootstrap failed to load plugin '$name': $e");
    }
  };

  $load->(
    'Config::Structured' => sub {
      {
        structure_file => $cfg_dir->child(sprintf('%s-conf.yml', lc($app->moniker)))->to_string,
        config_file    => $ENV{uc($app->moniker) . '_CONFIG'},
      }
    },
    1
  );

  # Sessionless
  $load->('Sessionless');

  # ORM::DBIx
  $load->(
    'ORM::DBIx' => sub {
      {
        dsn                  => $app->conf->db->dsn,
        username             => $app->conf->db->user,
        password             => $app->conf->db->pass(1),
        feature_bundle       => 'v' . join(q{.}, @{$^V->{version}}[0, 1]),
        tidy_format_skipping => ['## no tidy', '## use tidy'],
        connect_params       => {quote_names => 1},
      }
    }
  );

  # Migration::Sqitch
  $load->(
    'Migration::Sqitch' => sub {
      {
        dsn       => $app->conf->db->dsn,
        registry  => $app->conf->db->migration->registry,
        username  => $app->conf->db->migration->user,
        password  => $app->conf->db->migration->pass(1),
        directory => $app->conf->db->migration->directory,
      }
    }
  );

  # SendEmail
  $load->(
    'SendEmail' => sub {
      {
        from          => $app->conf->email->from,
        host          => $app->conf->email->smtp->host,
        port          => $app->conf->email->smtp->port,
        ssl           => $app->conf->email->smtp->ssl,
        sasl_username => $app->conf->email->smtp->sasl_username    || undef,
        sasl_password => $app->conf->email->smtp->sasl_password(1) || undef,

        recipient_resolver => sub($add) {
          if (defined($add)) {
            return [arrayify(map {__SUB__->($_)} $add->@*)] if (ref($add) eq 'ARRAY');
            return $add                                     if ($add =~ /@/);
            return __SUB__->($app->conf->email->recipients->{$add} // $app->conf->email->recipients->{default}) unless (ref($add));
          }
          return ();
        },
      }
    }
  );

  $load->(
    'Cron::Scheduler' => sub {
      {
        namespaces => [$ns_append->('Cron')],
        schedules  => $app->conf->scheduled_tasks->to_hash,
      }
    }
  );

  $load->(
    'Authentication::OIDC' => sub {
      {
        client_secret  => $app->conf->auth->client_secret(1),
        public_key     => $app->conf->auth->public_key,
        well_known_url => $app->conf->auth->well_known_url,
        base_url       => $app->conf->urls->backend,
        login_path     => '/api/auth/login',
        make_routes    => 0,

        get_token => sub ($c) {
          if (my $t = $c->cookie('oidc_auth_token'))                                               {return $t;}
          if (($c->req->headers->authorization // '') =~ /^Bearer (.*)/)                           {return $1;}
          if (($c->req->headers->header('Sec-WebSocket-Protocol') // '') =~ /^access_token, (.*)/) {return $1;}
          return undef;
        },
        get_user => sub ($token) {
          my $person = $app->model('Person')->find_or_create(
            {
              firstname => $token->{given_name},
              lastname  => $token->{family_name},
            }
          );
          my $user = $app->model("User")->update_or_create(
            {
              username       => $token->{preferred_username},
              email          => $token->{email},
              email_verified => $token->{email_verified} ? 'Y' : 'N',
              person         => $person,
            }
          );
        },
        role_map  => $app->conf->auth->role_map,
        get_roles => sub ($user, $token) {
          $token->{realm_access}->{roles};
        },

        on_success => sub ($c, $token, $url) {
          $c->cookie(oidc_auth_token => $token, {path => '/api', expires => time + 60, sameSite => 'Lax'});
          $c->redirect_to($url);
        },
        on_login => sub ($c, $u) {
          my $now = DateTime::Format::MySQL->format_datetime(DateTime->now(time_zone => 'local'));
          $u->update({last_login_at    => $now});
          $u->update({last_activity_at => $now});
        },
        on_activity => sub ($c, $u) {
          my $now = DateTime::Format::MySQL->format_datetime(DateTime->now(time_zone => 'local'));
          $u->update({last_activity_at => $now});
          if ($app->conf->auth->enable_media_access) {
            if (my $token = $c->__oidc_token(undef, 0)) {
              $c->cookie(oidc_auth_token => $token, {path => '/api', expires => time + 300, samesite => 'Strict'});
              return;
            }
          }
          $c->cookie(oidc_auth_token => '', {path => '/api', expires => 1});
        }
      }
    }
  );

  $load->(
    'Authorization::AccessControl' => sub {
      {}
    }
  );

  $load->(
    'Data::Transfigure' => sub {
      {renderers => [qw(openapi json)]}
    }
  );

  $load->(
    OpenAPI => sub {
      {
        url              => $app->home->child('cfg')->child(sprintf('%s-api.yml', lc($app->moniker)))->to_string,
        op_spec_to_route => sub($plugin, $op_spec, $route, $t) {
          $route->to($op_spec->{operationId} =~ s/->/#/r) if ($op_spec->{operationId});
        },
        security => {
          Token => sub($c, $definition, $scopes, $cb) {
            try {
              my $u = $c->authn->current_user();
              return $c->$cb('User not authenticated')  unless (defined($u));
              return $c->$cb('User email not verified') unless ($u->email_verified);
              return $c->$cb('User disabled/deleted')
                if ($u->can('deleted_at') && defined($u->deleted_at) && $u->deleted_at < DateTime->now());
              return $c->$cb() unless ($scopes->@*);
              return $c->$cb() if (intersect($scopes->@*, $c->authn->current_user_roles->@*));
              return $c->$cb('User not authorized');
            } catch ($e) {
              $e =~ s/( at \/.*)$//;
              chomp($e);
              $c->$cb($e)
            }
          }
        }
      }
    }
  );

  $load->(
    'Module::Loader' => sub {
      {
        command_namespaces => [$ns_append->('Command')],
        plugin_namespaces  => [$ns_append->('Plugin')],
      }
    }
  );

  foreach my $k (keys(%RENDER_FAIL)) {
    my $code = $RENDER_FAIL{$k};
    $app->helper(
      "render_failure.$k" => sub($c, $message = status_message($code)) {
        chomp($message);
        $c->render(status => $code, openapi => {status => $code, errors => [{message => $message}]});
      }
    );
  }
  foreach my $k (keys(%RENDER_SUCCESS)) {
    my $code = $RENDER_SUCCESS{$k};
    $app->helper(
      "render_success.$k" => sub($c, $message = status_message($code)) {
        chomp($message);
        if ($code == HTTP_NO_CONTENT) {
          $c->render(status => $code, text => $message);
        } else {
          $c->render(status => $code, openapi => {status => $code, errors => [{message => $message}]});
        }
      }
    );
  }

}

=head1 NAME

Mojolicious::Plugin::Config::Structured::Bootstrap - an extremely opinionated plugin for initializing a full-featured Mojolicious application

=head1 SYNOPSIS

  # in app startup
  $self->plugin('Config::Structured::Bootstrap'); 

  $self->plugin('Config::Structured::Bootstrap' => {
    $plugin_name => \%plugin_config, ...
  });

=head1 DESCRIPTION

This plugin loads and initializes a specific set of other mojo plugins based on 
a predefined (though overridable) configuration structure:

=over

=item * L<Mojolicious::Plugin::Config::Structured>

=item * L<Mojolicious::Plugin::Authentication::OIDC>

=item * L<Mojolicious::Plugin::Authorization::AccessControl>

=item * L<Mojolicious::Plugin::Cron::Scheduler>

=item * L<Mojolicious::Plugin::Data::Transfigure>

=item * L<Mojolicious::Plugin::Migration::Sqitch>

=item * L<Mojolicious::Plugin::Module::Loader>

=item * L<Mojolicious::Plugin::OpenAPI>

=item * L<Mojolicious::Plugin::ORM::DBIx>

=item * L<Mojolicious::Plugin::SendEmail>

=item * L<Mojolicious::Plugin::Sessionless>

=back

Any plugin that is not installed is silently skipped; you can also disable any
plugin by setting it to an undefined configuration during initialization, e.g.,:

  $self->plugin('Config::Structured::Bootstrap' => {
    Sessionless => undef
  });

Further documentation on how to manually/automatically configure these plugins
is forthcoming...

=head1 METHODS

L<Mojolicious::Plugin::Data::Transfigure> inherits all methods from 
L<Mojolicious::Plugin> and implements the following new ones

=head2 register

Register the plugin in a Mojolicious application. Takes a HashRef as its 
configuration argument. Each key of the HashRef is the name of a sub-plugin
(e.g., C<Migration::Sqitch>, with or without its C<Mojolicious::Plugin::>) 
prefix. Setting the config value for a plugin to C<undef> prevents loading that
plugin.

=head1 AUTHOR

Mark Tyrrell C<< <mark@tyrrminal.dev> >>

=head1 LICENSE

Copyright (c) 2024 Mark Tyrrell

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

=cut

1;

__END__


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