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lib/API/Google.pm  view on Meta::CPAN

package API::Google;
$API::Google::VERSION = '0.12';
use Data::Dumper;

# ABSTRACT: Perl library for easy access to Google services via their API


use strict;
use warnings;
use Mojo::UserAgent;
use Config::JSON;
use Data::Dumper;


sub new {
  my ($class, $params) = @_;
  my $h = {};
  if ($params->{tokensfile}) {
  	$h->{tokensfile} = Config::JSON->new($params->{tokensfile});
  } else {
  	die 'no json file specified!';
  }
  $h->{ua} = Mojo::UserAgent->new();
  $h->{debug} = $params->{debug};
  $h->{max_refresh_attempts} = $params->{max_refresh_attempts} || 5;
  return bless $h, $class;
}



sub refresh_access_token {
  my ($self, $params) = @_;
  warn "Attempt to refresh access_token with params: ".Dumper $params if $self->{debug};
  $params->{grant_type} = 'refresh_token';
  $self->{ua}->post('https://www.googleapis.com/oauth2/v4/token' => form => $params)->res->json; # tokens
};


sub client_id {
	shift->{tokensfile}->get('gapi/client_id');
}

sub ua {
  shift->{ua};
}


sub client_secret {
	shift->{tokensfile}->get('gapi/client_secret');
}



sub refresh_access_token_silent {
	my ($self, $user) = @_;
	my $tokens = $self->refresh_access_token({
		client_id => $self->client_id,
		client_secret => $self->client_secret,
		refresh_token => $self->get_refresh_token_from_storage($user)
	});
  warn "New tokens got" if $self->{debug};
	my $res = {};
	$res->{old} = $self->get_access_token_from_storage($user);
	warn Dumper $tokens if $self->{debug};
	if ($tokens->{access_token}) {
		$self->set_access_token_to_storage($user, $tokens->{access_token});
	}
	$res->{new} = $self->get_access_token_from_storage($user);
	return $res;
};


sub get_refresh_token_from_storage {
  my ($self, $user) = @_;
  warn "get_refresh_token_from_storage(".$user.")" if $self->{debug};
  return $self->{tokensfile}->get('gapi/tokens/'.$user.'/refresh_token');
};

sub get_access_token_from_storage {
  my ($self, $user) = @_;
  $self->{tokensfile}->get('gapi/tokens/'.$user.'/access_token');
};

sub set_access_token_to_storage {
  my ($self, $user, $token) = @_;
  $self->{tokensfile}->set('gapi/tokens/'.$user.'/access_token', $token);