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<?php
/*
This file is part of GNU TALER.
Copyright (C) 2014, 2015, 2016 INRIA
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/>
*/
include '../../copylib/util.php';
include '../../copylib/merchants.php';
include '../../copylib/config.php';
include './blog_lib.php';
$article = get($_GET['article']);
if (null == $article){
http_response_code(400);
echo message_from_missing_param("article", "/");
return;
}
session_start();
//syslog($LOG_ERR, "merchant: official log system");
$payments = &pull($_SESSION, 'payments', array());
$my_payment = &pull($payments, $article, false);
$pay_url = url_rel("essay_pay.php");
$offering_url = url_rel("essay_fulfillment.php", true);
$offering_url .= "?article=$article";
// In PHP false == null
if (null == get($payments[$article]['ispayed']) || false == $my_payment){
$tid = get($_GET['tid']);
$timestamp = get($_GET['timestamp']);
// 1st time
if (null == $tid || null == $timestamp){
$js_code = "get_contract(\"$article\");";
$cc_page = template("./essay_cc-form.html", array('article' => $article, 'jscode' => $js_code));
echo $cc_page;
return;
}
// using deeplink (whether 1st time or not)
// restore contract
$now = new DateTime();
$now->setTimestamp(intval($timestamp));
$contract_rec = generate_contract(array(
"amount_value" => 0,
"amount_fraction" => 50000,
"currency" => $MERCHANT_CURRENCY,
"refund_delta" => $REFUND_DELTA,
"merchant_name" => "Free Software Foundation (demo)",
"transaction_id" => intval($tid),
"description" => trim(get_title($article)),
"product_id" => $article,
"correlation_id" => $article,
"taxes" => array(),
"now" => $now,
"fulfillment_url" => get_full_uri())
);
$resp = give_to_backend("backend/contract",
$contract_rec);
if ($resp->getResponseCode() != 200){
echo json_encode(array(
'error' => "internal error",
'hint' => "non hashable contract",
'detail' => $resp->body->toString()
), JSON_PRETTY_PRINT);
die();
}
$hc = json_decode($resp->body->toString(), true)['H_contract'];
$my_payment['hc'] = $hc;
//syslog($LOG_INFO, "sending payment event");
$js_code = "taler.executePayment(\"$hc\", \"$pay_url\", \"$offering_url\");";
$cc_page = template("./essay_cc-form.html", array('article' => $article, 'jscode' => $js_code));
echo $cc_page;
return;
}
// control here == article payed
//syslog($LOG_INFO, "showing article");
$article = get_article($article);
echo $article;
?>
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