view release on metacpan or  search on metacpan

lib/API/Google/Server.pm  view on Meta::CPAN

  my %h = (
 	'Authorization' => 'Bearer '.$access_token
  );
  $c->ua->get('https://www.googleapis.com/auth/plus.profile.emails.read' => form => \%h)->res->json;
};


get "/" => sub {
  my $c = shift;
  app->log->info("Will store tokens at".$config->getFilename ($config->pathToFile));
  if ($c->param('code')) {
    app->log->info("Authorization code was retrieved: ".$c->param('code'));

    my $tokens = $c->get_new_tokens($c->param('code'));
    app->log->info("App got new tokens: ".Dumper $tokens);

    if ($tokens) {      
      my $user_data;
      # warn Dumper $user_data;
      # you can use https://www.googleapis.com/oauth2/v3/tokeninfo?id_token=XYZ123 for development

      if ($tokens->{id_token}) {

        # my $jwt = Mojo::JWT->new(claims => $tokens->{id_token});
        # warn "Mojo header:".Dumper $jwt->header;

        # my $keys = $c->get_all_google_jwk_keys(); # arrayref
        # my ($header, $data) = decode_jwt( token => $tokens->{id_token}, decode_header => 1, key => '' ); # exctract kid
        # warn "Decode header :".Dumper $header;

      	$user_data = decode_jwt(
      		token => $tokens->{id_token}, 
      		kid_keys => $c->ua->get('https://www.googleapis.com/oauth2/v3/certs')->res->json,
      	);

        warn "Decoded user data:".Dumper $user_data;
      };

      #$user_data->{email};
      #$user_data->{family_name}
      #$user_data->{given_name}

      # $tokensfile->set('tokens/'.$user_data->{email}, $tokens->{access_token});
      $config->addToHash('gapi/tokens/'.$user_data->{email}, 'access_token', $tokens->{access_token} );

      if ($tokens->{refresh_token}) {
        $config->addToHash('gapi/tokens/'.$user_data->{email}, 'refresh_token', $tokens->{refresh_token});
      }
    }

    $c->render( json => $config->get('gapi') ); 
  } else {
  	$c->render(template => 'oauth');
  }
};

app->start;

=pod

=encoding UTF-8

=head1 NAME

API::Google::Server - Mojolicious::Lite web server for getting Google API tokens via Oauth 2.0 

=head1 VERSION

version 0.12

=head1 METHODS

=head2 get_new_tokens

Get new access_token by auth_code

=head2 get_email

Get email address of API user

=head1 AUTHOR

Pavel Serikov <pavelsr@cpan.org>

=head1 COPYRIGHT AND LICENSE

This software is copyright (c) 2016 by Pavel Serikov.

This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.

=cut

__DATA__

@@ oauth.html.ep

<%= link_to "Click here to get API tokens", $c->oauth2->auth_url("google", 
		scope => "email profile https://www.googleapis.com/auth/plus.profile.emails.read https://www.googleapis.com/auth/calendar", 
		authorize_query => { access_type => 'offline'} ) 
%>

<br><br>

<a href="https://developers.google.com/+/web/api/rest/oauth#authorization-scopes">
Check more about authorization scopes</a>