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<?php
/*
This file is part of GNU TALER.
Copyright (C) 2014, 2015 GNUnet e.V.
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU Lesser General Public License as published by the Free Software
Foundation; either version 2.1, or (at your option) any later version.
TALER 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with
TALER; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/>
*/
/*
This serving module adds the 'max_fee' field to the object which
sends to the backend, and optionally the field 'edate' (indicating
to the mint the tollerated deadline to receive funds for this payment)
NOTE: 'max_fee' must be consistent with the same value indicated within
the contract; thus, a "real" merchant must implement such a mapping
*/
session_start();
$cli_debug = false;
$backend_test = true;
if (isset($_GET['cli_debug']) && $_GET['cli_debug'] == 'yes')
{
$cli_debug = true;
}
if (isset($_GET['backend_test']) && $_GET['backend_test'] == 'no')
{
$cli_debug = true;
$backend_test = false;
}
if (!isset($_SESSION['H_contract']))
{
echo "No session active.";
http_response_code (301);
return;
}
if (isset($_SESSION['payment_ok']) && $_SESSION['payment_ok'] == true)
{
$_SESSION['payment_ok'] = true;
http_response_code (301);
//$url = (new http\URL("http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]"))
$url = (new http\URL("http://$_SERVER[HTTP_HOST]"))
->mod(array ("path" => "fulfillment.php"), http\Url::JOIN_PATH);
header("Location: $url");
die();
}
$post_body = file_get_contents('php://input');
$now = new DateTime('now');
$edate = array ('edate' =>
"/Date(" . $now->add(new DateInterval('P2W'))->getTimestamp() . ")/");
$deposit_permission = json_decode ($post_body, true);
$to_add = array('max_fee' => array('value' => 3,
'fraction' => 8,
'currency' => $_SESSION['currency']),
'amount' => array('value' => $_SESSION['amount_value'],
'fraction' => $_SESSION['amount_fraction'],
'currency' => $_SESSION['currency']));
$new_deposit_permission = array_merge($deposit_permission, $to_add);
$new_deposit_permission_edate = array_merge($new_deposit_permission, $edate);
/* Craft the HTTP request, note that the backend
could be on an entirely different machine if
desired. */
if ($cli_debug && !$backend_test)
{
/* DO NOTE the newline at the end of 'echo's argument */
//echo json_encode ($new_deposit_permission_edate, JSON_PRETTY_PRINT)
echo json_encode($new_deposit_permission, JSON_PRETTY_PRINT)
. "\n";
exit;
}
// Backend is relative to the shop site.
/**
* WARNING: the "shop site" is '"http://".$_SERVER["HTTP_HOST"]'
* So do not attach $_SERVER["REQUEST_URI"] before proxying requests
* to the backend
*/
//$url = (new http\URL("http://".$_SERVER["HTTP_HOST"].$_SERVER["REQUEST_URI"]))
$url = (new http\URL("http://".$_SERVER["HTTP_HOST"]))
->mod(array ("path" => "backend/pay"), http\Url::JOIN_PATH);
$req = new http\Client\Request("POST",
$url,
array ("Content-Type" => "application/json"));
$req->getBody()->append (json_encode ($new_deposit_permission));
// Execute the HTTP request
$client = new http\Client;
$client->enqueue($req)->send ();
// Fetch the response
$resp = $client->getResponse ();
$status_code = $resp->getResponseCode ();
// Our response code is the same we got from the backend:
http_response_code ($status_code);
// Now generate our body
if ($status_code != 200)
{
/* error: just forwarding to the wallet what
gotten from the backend (which is forwarding 'as is'
the error gotten from the mint) */
echo json_encode ($new_deposit_permission);
echo "Error came from the backend, status $status_code\n";
echo "\n";
echo $resp->body->toString ();
}
else
{
$_SESSION['payment_ok'] = true;
http_response_code (301);
/**
* WARNING: the "shop site" is '"http://".$_SERVER["HTTP_HOST"]'
* So do not attach $_SERVER["REQUEST_URI"] before proxying requests
* to the backend
*/
//$url = (new http\URL("http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]"))
$url = (new http\URL("http://$_SERVER[HTTP_HOST]"))
->mod(array ("path" => "fulfillment.php"), http\Url::JOIN_PATH);
header("Location: $url");
die();
}
?>
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