#!/usr/bin/perl
-use strict;
-use warnings;
-use diagnostics;
+# Copyright Tamil s.a.r.l. 2008-2015
+# Copyright Biblibre 2008-2015
+#
+# This file is part of Koha.
+#
+# Koha is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# Koha is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Koha; if not, see <http://www.gnu.org/licenses>.
+
-use CGI qw/:standard -oldstyle_urls/;
+use Modern::Perl;
+use CGI qw( :standard -oldstyle_urls -utf8 );
use vars qw( $GZIP );
use C4::Context;
+use Koha::OAI::Server::Repository;
BEGIN {
eval { require PerlIO::gzip };
- $GZIP = $@ ? 0 : 1;
+ $GZIP = ($@) ? 0 : 1;
}
unless ( C4::Context->preference('OAI-PMH') ) {
);
}
-binmode( STDOUT, ":utf8" );
-my $repository = C4::OAI::Repository->new();
-
-# __END__ Main Prog
-
-
-#
-# Extends HTTP::OAI::ResumptionToken
-# A token is identified by:
-# - metadataPrefix
-# - from
-# - until
-# - offset
-#
-package C4::OAI::ResumptionToken;
-
-use strict;
-use warnings;
-use diagnostics;
-use HTTP::OAI;
-
-use base ("HTTP::OAI::ResumptionToken");
-
-
-sub new {
- my ($class, %args) = @_;
-
- my $self = $class->SUPER::new(%args);
-
- my ($metadata_prefix, $offset, $from, $until);
- if ( $args{ resumptionToken } ) {
- ($metadata_prefix, $offset, $from, $until)
- = split( ':', $args{resumptionToken} );
- }
- else {
- $metadata_prefix = $args{ metadataPrefix };
- $from = $args{ from } || '1970-01-01';
- $until = $args{ until };
- unless ( $until) {
- my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday) = gmtime( time );
- $until = sprintf( "%.4d-%.2d-%.2d", $year+1900, $mon+1,$mday );
- }
- $offset = $args{ offset } || 0;
- }
-
- $self->{ metadata_prefix } = $metadata_prefix;
- $self->{ offset } = $offset;
- $self->{ from } = $from;
- $self->{ until } = $until;
-
- $self->resumptionToken(
- join( ':', $metadata_prefix, $offset, $from, $until ) );
- $self->cursor( $offset );
-
- return $self;
-}
-
-# __END__ C4::OAI::ResumptionToken
-
-
-
-package C4::OAI::Identify;
-
-use strict;
-use warnings;
-use diagnostics;
-use HTTP::OAI;
-use C4::Context;
-
-use base ("HTTP::OAI::Identify");
-
-sub new {
- my ($class, $repository) = @_;
-
- my ($baseURL) = $repository->self_url() =~ /(.*)\?.*/;
- my $self = $class->SUPER::new(
- baseURL => $baseURL,
- repositoryName => C4::Context->preference("LibraryName"),
- adminEmail => C4::Context->preference("KohaAdminEmailAddress"),
- MaxCount => C4::Context->preference("OAI-PMH:MaxCount"),
- granularity => 'YYYY-MM-DD',
- earliestDatestamp => '0001-01-01',
- deletedRecord => 'no',
- );
- $self->description( "Koha OAI Repository" );
- $self->compression( 'gzip' );
-
- return $self;
-}
-
-# __END__ C4::OAI::Identify
-
-
-
-package C4::OAI::ListMetadataFormats;
-
-use strict;
-use warnings;
-use diagnostics;
-use HTTP::OAI;
-
-use base ("HTTP::OAI::ListMetadataFormats");
-
-sub new {
- my ($class, $repository) = @_;
-
- my $self = $class->SUPER::new();
-
- $self->metadataFormat( HTTP::OAI::MetadataFormat->new(
- metadataPrefix => 'oai_dc',
- schema => 'http://www.openarchives.org/OAI/2.0/oai_dc.xsd',
- metadataNamespace => 'http://www.openarchives.org/OAI/2.0/oai_dc/'
- ) );
- $self->metadataFormat( HTTP::OAI::MetadataFormat->new(
- metadataPrefix => 'marcxml',
- schema => 'http://www.loc.gov/MARC21/slim http://www.loc.gov/ standards/marcxml/schema/MARC21slim.xsd',
- metadataNamespace => 'http://www.loc.gov/MARC21/slim http://www.loc.gov/ standards/marcxml/schema/MARC21slim'
- ) );
-
- return $self;
-}
-
-# __END__ C4::OAI::ListMetadataFormats
-
-
-
-package C4::OAI::Record;
-
-use strict;
-use warnings;
-use diagnostics;
-use HTTP::OAI;
-use HTTP::OAI::Metadata::OAI_DC;
-
-use base ("HTTP::OAI::Record");
-
-sub new {
- my ($class, $repository, $marcxml, $timestamp, %args) = @_;
-
- my $self = $class->SUPER::new(%args);
-
- $timestamp =~ s/ /T/, $timestamp .= 'Z';
- $self->header( new HTTP::OAI::Header(
- identifier => $args{identifier},
- datestamp => $timestamp,
- ) );
-
- my $parser = XML::LibXML->new();
- my $record_dom = $parser->parse_string( $marcxml );
- if ( $args{metadataPrefix} ne 'marcxml' ) {
- $record_dom = $repository->oai_dc_stylesheet()->transform( $record_dom );
- }
- $self->metadata( HTTP::OAI::Metadata->new( dom => $record_dom ) );
-
- return $self;
-}
-
-# __END__ C4::OAI::Record
-
-
-
-package C4::OAI::GetRecord;
-
-use strict;
-use warnings;
-use diagnostics;
-use HTTP::OAI;
-
-use base ("HTTP::OAI::GetRecord");
-
-
-sub new {
- my ($class, $repository, %args) = @_;
-
- my $self = HTTP::OAI::GetRecord->new(%args);
-
- my $dbh = C4::Context->dbh;
- my $sth = $dbh->prepare("
- SELECT marcxml, timestamp
- FROM biblioitems
- WHERE biblionumber=? " );
- my $prefix = $repository->{koha_identifier} . ':';
- my ($biblionumber) = $args{identifier} =~ /^$prefix(.*)/;
- $sth->execute( $biblionumber );
- my ($marcxml, $timestamp);
- unless ( ($marcxml, $timestamp) = $sth->fetchrow ) {
- return HTTP::OAI::Response->new(
- requestURL => $repository->self_url(),
- errors => [ new HTTP::OAI::Error(
- code => 'idDoesNotExist',
- message => "There is no biblio record with this identifier",
- ) ] ,
- );
- }
-
- #$self->header( HTTP::OAI::Header->new( identifier => $args{identifier} ) );
- $self->record( C4::OAI::Record->new(
- $repository, $marcxml, $timestamp, %args ) );
-
- return $self;
-}
-
-# __END__ C4::OAI::GetRecord
-
-
-
-package C4::OAI::ListIdentifiers;
-
-use strict;
-use warnings;
-use diagnostics;
-use HTTP::OAI;
-
-use base ("HTTP::OAI::ListIdentifiers");
-
-
-sub new {
- my ($class, $repository, %args) = @_;
-
- my $self = HTTP::OAI::ListIdentifiers->new(%args);
-
- my $token = new C4::OAI::ResumptionToken( %args );
- my $dbh = C4::Context->dbh;
- my $sql = "SELECT biblionumber, timestamp
- FROM biblioitems
- WHERE timestamp >= ? AND timestamp <= ?
- LIMIT " . $repository->{koha_max_count} . "
- OFFSET " . $token->{offset};
- my $sth = $dbh->prepare( $sql );
- $sth->execute( $token->{from}, $token->{until} );
-
- my $pos = $token->{offset};
- while ( my ($biblionumber, $timestamp) = $sth->fetchrow ) {
- $timestamp =~ s/ /T/, $timestamp .= 'Z';
- $self->identifier( new HTTP::OAI::Header(
- identifier => $repository->{ koha_identifier} . ':' . $biblionumber,
- datestamp => $timestamp,
- ) );
- $pos++;
- }
- $self->resumptionToken( new C4::OAI::ResumptionToken(
- metadataPrefix => $token->{metadata_prefix},
- from => $token->{from},
- until => $token->{until},
- offset => $pos ) );
-
- return $self;
-}
-
-# __END__ C4::OAI::ListIdentifiers
-
-
-
-package C4::OAI::ListRecords;
-
-use strict;
-use warnings;
-use diagnostics;
-use HTTP::OAI;
-
-use base ("HTTP::OAI::ListRecords");
-
-
-sub new {
- my ($class, $repository, %args) = @_;
-
- my $self = HTTP::OAI::ListRecords->new(%args);
-
- my $token = new C4::OAI::ResumptionToken( %args );
- my $dbh = C4::Context->dbh;
- my $sql = "SELECT biblionumber, marcxml, timestamp
- FROM biblioitems
- WHERE timestamp >= ? AND timestamp <= ?
- LIMIT " . $repository->{koha_max_count} . "
- OFFSET " . $token->{offset};
- my $sth = $dbh->prepare( $sql );
- $sth->execute( $token->{from}, $token->{until} );
-
- my $pos = $token->{offset};
- while ( my ($biblionumber, $marcxml, $timestamp) = $sth->fetchrow ) {
- $self->record( C4::OAI::Record->new(
- $repository, $marcxml, $timestamp,
- identifier => $repository->{ koha_identifier } . ':' . $biblionumber,
- metadataPrefix => $token->{metadata_prefix}
- ) );
- $pos++;
- }
- $self->resumptionToken( new C4::OAI::ResumptionToken(
- metadataPrefix => $token->{metadata_prefix},
- from => $token->{from},
- until => $token->{until},
- offset => $pos ) );
-
- return $self;
-}
-
-# __END__ C4::OAI::ListRecords
-
-
-
-package C4::OAI::Repository;
-
-use base ("HTTP::OAI::Repository");
-
-use strict;
-use warnings;
-use diagnostics;
-
-use HTTP::OAI;
-use HTTP::OAI::Repository qw/:validate/;
-
-use XML::SAX::Writer;
-use XML::LibXML;
-use XML::LibXSLT;
-use CGI qw/:standard -oldstyle_urls/;
-
-use C4::Context;
-use C4::Biblio;
-
-
-=head1 NAME
-
-C4::OAI::Repository - Handles OAI-PMH requests for a Koha database.
-
-=head1 SYNOPSIS
-
- use C4::OAI::Repository;
-
- my $repository = C4::OAI::Repository->new();
-
-=head1 DESCRIPTION
-
-This object extend HTTP::OAI::Repository object.
-
-=cut
-
-
-
-sub new {
- my ($class, %args) = @_;
- my $self = $class->SUPER::new(%args);
-
- $self->{ koha_identifier } = C4::Context->preference("OAI-PMH:archiveID");
- $self->{ koha_max_count } = C4::Context->preference("OAI-PMH:MaxCount");
- $self->{ koha_metadata_format } = ['oai_dc', 'marcxml'];
-
- # Check for grammatical errors in the request
- my @errs = validate_request( CGI::Vars() );
-
- # Is metadataPrefix supported by the respository?
- my $mdp = param('metadataPrefix') || '';
- if ( $mdp && !grep { $_ eq $mdp } @{$self->{ koha_metadata_format }} ) {
- push @errs, new HTTP::OAI::Error(
- code => 'cannotDisseminateFormat',
- message => "Dissemination as '$mdp' is not supported",
- );
- }
-
- my $response;
- if ( @errs ) {
- $response = HTTP::OAI::Response->new(
- requestURL => self_url(),
- errors => \@errs,
- );
- }
- else {
- my %attr = CGI::Vars();
- my $verb = delete( $attr{verb} );
- if ( grep { $_ eq $verb } qw( ListSets ) ) {
- $response = HTTP::OAI::Response->new(
- requestURL => $self->self_url(),
- errors => [ new HTTP::OAI::Error(
- code => 'noSetHierarchy',
- message => "Koha repository doesn't have sets",
- ) ] ,
- );
- }
- elsif ( $verb eq 'Identify' ) {
- $response = C4::OAI::Identify->new( $self );
- }
- elsif ( $verb eq 'ListMetadataFormats' ) {
- $response = C4::OAI::ListMetadataFormats->new( $self );
- }
- elsif ( $verb eq 'GetRecord' ) {
- $response = C4::OAI::GetRecord->new( $self, %attr );
- }
- elsif ( $verb eq 'ListRecords' ) {
- $response = C4::OAI::ListRecords->new( $self, %attr );
- }
- elsif ( $verb eq 'ListIdentifiers' ) {
- $response = C4::OAI::ListIdentifiers->new( $self, %attr );
- }
- }
-
- $response->set_handler( XML::SAX::Writer->new( Output => *STDOUT ) );
- $response->generate;
-
- bless $self, $class;
- return $self;
-}
-
-
-#
-# XSLT stylesheet used to transform MARCXML record into OAI Dublin Core.
-# The object is constructed the fist time this method is called.
-#
-# Styleeet file is located in /koha-tmpl/intranet-tmpl/prog/en/xslt/ directory.
-# Its name is constructed with 'marcflavour' syspref:
-# - MARC21slim2OAIDC.xsl
-# - UNIMARCslim2OADIC.xsl
-#
-sub oai_dc_stylesheet {
- my $self = shift;
-
- unless ( $self->{ oai_dc_stylesheet } ) {
- my $xslt_file = C4::Context->config('intranetdir') .
- "/koha-tmpl/intranet-tmpl/prog/en/xslt/" .
- C4::Context->preference('marcflavour') .
- "slim2OAIDC.xsl";
- my $parser = XML::LibXML->new();
- my $xslt = XML::LibXSLT->new();
- my $style_doc = $parser->parse_file( $xslt_file );
- my $stylesheet = $xslt->parse_stylesheet( $style_doc );
- $self->{ oai_dc_stylesheet } = $stylesheet;
- }
-
- return $self->{ oai_dc_stylesheet };
-}
+binmode STDOUT, ':encoding(UTF-8)';
+my $repository = Koha::OAI::Server::Repository->new();
projects / koha.git / blobdiff