76 lines
2.1 KiB
Perl
76 lines
2.1 KiB
Perl
#!/usr/bin/perl
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#
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# DW::Controller::Shop::Stripe
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#
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# Controllers for the Stripe endpoints for the shop.
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#
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# Authors:
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# Mark Smith <mark@dreamwidth.org>
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#
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# Copyright (c) 2019 by Dreamwidth Studios, LLC.
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#
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# This program is free software; you may redistribute it and/or modify it under
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# the same terms as Perl itself. For a copy of the license, please reference
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# 'perldoc perlartistic' or 'perldoc perlgpl'.
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#
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package DW::Controller::Shop::Stripe;
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use strict;
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use Carp qw/ confess /;
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use Digest::SHA qw/ hmac_sha256_hex /;
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use LJ::JSON;
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use DW::Routing;
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use DW::Controller;
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use DW::Controller::Shop;
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use DW::Shop::Engine::Stripe;
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DW::Routing->register_string( '/shop/stripe-checkout', \&stripe_checkout_handler, app => 1 );
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DW::Routing->register_string( '/shop/stripe-webhook', \&stripe_webhook_handler, format => 'json' );
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sub _stripe_controller {
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my ( $ok, $rv ) = DW::Controller::Shop::_shop_controller(@_);
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if ($ok) {
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$rv->{stripe_published_key} = $LJ::STRIPE{published_key} // '';
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}
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return ( $ok, $rv );
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}
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sub stripe_checkout_handler {
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my ( $ok, $rv ) = _stripe_controller( anonymous => 1 );
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return $rv unless $ok;
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$rv->{stripe_session_id} = $rv->{cart}->paymentmethod_metadata('session_id');
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return DW::Template->render_template( 'shop/stripe/checkout.tt', $rv );
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}
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sub stripe_webhook_handler {
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my ( $ok, $rv ) = _stripe_controller( anonymous => 1 );
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my $r = $rv->{r};
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my $raw_json = $r->content;
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my $event = from_json($raw_json);
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# validate webhook signature
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my $signature = $r->header_in('Stripe-Signature');
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my %elems = map { split /=/, $_ } split( /,\s*/, $signature );
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my $payload = $elems{t} . '.' . $raw_json;
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my $hmac = hmac_sha256_hex( $payload, $LJ::STRIPE{webhook_key} );
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if ( $hmac ne $elems{v1} ) {
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$r->status(400);
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$r->print('Invalid webhook signature.');
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return $r->OK;
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}
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# Signature validated, process
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my ( $status, $msg ) = DW::Shop::Engine::Stripe->process_webhook($event);
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$r->status($status);
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$r->print($msg);
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return $r->OK;
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}
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1;
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