123 lines
3.4 KiB
Perl
123 lines
3.4 KiB
Perl
package Koha::Auth::Client::OAuth;
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# Copyright Theke Solutions 2022
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#
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# This file is part of Koha.
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#
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# Koha is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# Koha is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Koha; if not, see <https://www.gnu.org/licenses>.
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use Modern::Perl;
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use JSON qw( decode_json );
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use MIME::Base64 qw{ decode_base64url };
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use Koha::Patrons;
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use Mojo::UserAgent;
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use Mojo::Parameters;
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use base qw( Koha::Auth::Client );
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=head1 NAME
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Koha::Auth::Client::OAuth - Koha OAuth Client
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=head1 API
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=head2 Class methods
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=head3 _get_data_and_patron
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my $mapping = $object->_get_data_and_patron(
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{ provider => $provider,
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data => $data,
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config => $config
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}
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);
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Maps OAuth raw data to a patron schema, and returns a patron if it can.
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=cut
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sub _get_data_and_patron {
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my ( $self, $params ) = @_;
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my $provider = $params->{provider};
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my $data = $params->{data};
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my $config = $params->{config};
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my $patron;
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my $mapped_data;
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my $mapping = decode_json( $provider->mapping );
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my $matchpoint = $provider->matchpoint;
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if ( $data->{id_token} ) {
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my ( $header_part, $claims_part, $footer_part ) = split( /\./, $data->{id_token} );
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my $claim = decode_json( decode_base64url($claims_part) );
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foreach my $key ( keys %$mapping ) {
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my $pkey = $mapping->{$key};
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$mapped_data->{$key} = $claim->{$pkey}
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if defined $claim->{$pkey};
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}
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$patron = $self->_find_patron_by_matchpoint( $matchpoint, $mapped_data->{$matchpoint} );
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}
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if ( defined $config->{userinfo_url} ) {
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my $access_token = $data->{access_token};
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my $ua = Mojo::UserAgent->new;
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my $tx = $ua->get( $config->{userinfo_url} => { Authorization => "Bearer $access_token" } );
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my $code = $tx->res->code || 'No response';
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return if $code ne '200';
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my $claim = $tx->res->json // Mojo::Parameters->new( $tx->res->body )->to_hash;
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foreach my $key ( keys %$mapping ) {
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my $pkey = $mapping->{$key};
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my $value = $self->_traverse_hash( { base => $claim, keys => $pkey } );
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$mapped_data->{$key} = $value
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if defined $value;
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}
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unless ($patron) {
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$patron = $self->_find_patron_by_matchpoint( $matchpoint, $mapped_data->{$matchpoint} );
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}
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}
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return ( $mapped_data, $patron );
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}
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=head3 _find_patron_by_matchpoint
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my $patron = $client->_find_patron_by_matchpoint( $matchpoint, $value );
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Internal method to find a patron by the given matchpoint and value.
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Returns the patron object if found, undef otherwise.
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=cut
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sub _find_patron_by_matchpoint {
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my ( $self, $matchpoint, $value ) = @_;
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return unless defined $value;
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my $matchpoint_rs = Koha::Patrons->search( { $matchpoint => $value } );
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return $matchpoint_rs->count ? $matchpoint_rs->next : undef;
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}
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1;
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