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lib/AWS/S3/Bucket.pm  view on Meta::CPAN

package AWS::S3::Bucket;

use Carp 'confess';
use Moose;
use IO::Socket::INET;
use AWS::S3::ResponseParser;
use AWS::S3::FileIterator;

has 's3' => (
    is       => 'ro',
    isa      => 'AWS::S3',
    required => 1,
);

has 'name' => (
    is       => 'ro',
    isa      => 'Str',
    required => 1,
);

has 'creation_date' => (
    is       => 'ro',
    isa      => 'Str',
    required => 0,
);

use MooseX::Types -declare => [qw/ACLShorts/];

has 'acl' => (
    is       => 'rw',
    isa      => 'Str',
    required => 0,
    lazy     => 1,
    clearer  => '_clear_acl',
    default  => sub {
        my $self = shift;
        my $type = 'GetBucketAccessControl';
        return $self->_get_property( $type )->response->decoded_content();
    },
    trigger  => sub {
        my ( $self, $new_val, $old_val ) = @_;

        my %shorts = map { $_ => undef } qw(
          private public-read public-read-write authenticated-read
        );

        my %acl = ();
        if ( $new_val =~ m{<} ) {
            $acl{acl_xml} = $new_val;
        }
        elsif ( exists $shorts{$new_val} ) {
            $acl{acl_short} = $new_val;
        }
        else {
            die "Attempt to set an invalid value for acl: '$new_val'";
        }

        my $type     = 'SetBucketAccessControl';
        my $req      = $self->s3->request( $type, %acl, bucket => $self->name, );
        my $response = $req->request();

        return if $response->response->code == 404;

        if ( my $msg = $response->friendly_error() ) {
            die $msg;
        }    # end if()

        $self->_clear_acl;
    }
);

has 'location_constraint' => (
    is       => 'ro',
    isa      => 'Str',
    required => 0,
    lazy     => 1,
    default  => sub {
        my $self = shift;

        my $type     = 'GetBucketLocationConstraint';
        my $response = $self->_get_property( $type );

        my $constraint = $response->xpc->findvalue( '//s3:LocationConstraint' );
        if ( defined $constraint && $constraint eq '' ) {
            return;
        } else {
            return $constraint;
        }
    }
);

has 'policy' => (
    is       => 'rw',
    isa      => 'Str',
    required => 0,
    lazy     => 1,
    clearer  => '_clear_policy',
    default  => sub {
        my $self = shift;

        my $type     = 'GetBucketPolicy';
        my $req      = $self->s3->request( $type, bucket => $self->name, );
        my $response = $req->request();

        eval { $response->_parse_errors };
        if ( my $msg = $response->friendly_error() ) {
            if ( $response->error_code eq 'NoSuchBucketPolicy' ) {
                return '';
            } else {
                die $msg;
            }    # end if()
        }    # end if()

        return $response->response->decoded_content();
    },
    trigger  => sub {
        my ( $self, $policy ) = @_;

        my $type = 'SetBucketPolicy';
        my $req  = $self->s3->request(
            $type,
            bucket => $self->name,
            policy => $policy,
        );
        my $response = $req->request();

        #warn "NewPolicy:($policy).......\n";
        #warn $response->response->as_string;
        if ( my $msg = $response->friendly_error() ) {
            die $msg;
        }    # end if()

        $self->_clear_policy;

    }
);

# XXX: Not tested.
sub enable_cloudfront_distribution {
    my ( $s, $cloudfront_dist ) = @_;

    $cloudfront_dist->isa( 'AWS::CloudFront::Distribution' )
      or die "Usage: enable_cloudfront_distribution( <AWS::CloudFront::Distribution object> )";

    my $ident = $cloudfront_dist->cf->create_origin_access_identity( Comment => "Access to s3://" . $s->name, );
    $s->policy( <<"JSON");
{
	"Version":"2008-10-17",
	"Id":"PolicyForCloudFrontPrivateContent",
	"Statement":[{
			"Sid": "Grant a CloudFront Origin Identity access to support private content",
			"Effect":"Allow",
			"Principal": {
			  "CanonicalUser":"@{[ $ident->S3CanonicalUserId ]}"
			},
			"Action": "s3:GetObject",
			"Resource": "arn:aws:s3:::@{[ $s->name ]}/*"
		}
	]
}
JSON
}    # end enable_cloudfront_distribution()

sub files {
    my ( $s, %args ) = @_;

    return AWS::S3::FileIterator->new( %args, bucket => $s, );
}    # end files()

sub file {
    my ( $s, $key ) = @_;

    my $type = 'GetFileInfo';