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121 lines
2.7 KiB
121 lines
2.7 KiB
package Koha::OAuth;
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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 <http://www.gnu.org/licenses>.
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use Modern::Perl;
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use Koha::ApiKeys;
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use Koha::OAuthAccessTokens;
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=head1 NAME
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Koha::OAuth - Koha library for OAuth2 callbacks
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=head1 API
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=head2 Class methods
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=head3 config
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my $config = Koha::OAuth->config;
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Returns a hashref containing the callbacks Net::OAuth2::AuthorizationServer requires
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=cut
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sub config {
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return {
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verify_client_cb => \&_verify_client_cb,
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store_access_token_cb => \&_store_access_token_cb,
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verify_access_token_cb => \&_verify_access_token_cb
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};
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}
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=head3 _verify_client_cb
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A callback to verify if the client asking for authorization is known to the authorization server
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and allowed to get authorization.
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=cut
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sub _verify_client_cb {
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my (%args) = @_;
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my ($client_id, $client_secret) = @args{ qw/ client_id client_secret / };
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my $api_key;
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if ($client_id) {
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$api_key = Koha::ApiKeys->find( $client_id );
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}
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# client_id mandatory and exists on the DB
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return (0, 'unauthorized_client') unless $api_key && $api_key->active;
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return (0, 'access_denied') unless $api_key->validate_secret( $client_secret );
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return (1, undef, []);
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}
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=head3 _store_access_token_cb
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A callback to store the generated access tokens.
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=cut
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sub _store_access_token_cb {
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my ( %args ) = @_;
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my ( $client_id, $access_token, $expires_in )
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= @args{ qw/ client_id access_token expires_in / };
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my $at = Koha::OAuthAccessToken->new({
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access_token => $access_token,
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expires => time + $expires_in,
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client_id => $client_id,
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});
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$at->store;
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return;
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}
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=head3 _verify_access_token_cb
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A callback to verify the access token.
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=cut
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sub _verify_access_token_cb {
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my (%args) = @_;
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my $access_token = $args{access_token};
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my $at = Koha::OAuthAccessTokens->find($access_token);
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if ($at) {
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if ( $at->expires <= time ) {
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# need to revoke the access token
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$at->delete;
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return (0, 'invalid_grant')
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}
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return $at->unblessed;
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}
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return (0, 'invalid_grant')
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};
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1;
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