1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
<?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 file should:
*
* 1. check if some article is going to be bought
* 2. check if the wallet is installed TODO
* 3. get the contract (having the teaser as product detail) to the wallet
*
*/
include("../frontend_lib/merchants.php");
include("../frontend_lib/util.php");
include("./blog_lib.php");
session_start();
if (!isset($_GET['article'])){
echo "Please land here just to buy articles";
die();
}
$article = $_GET['article'];
$_SESSION['article'] = $article;
// 2 to-do
// send contract
$transaction_id = rand(0, 1001);
$p_id = hexdec(substr(sha1($article), -5));
$teatax = array ('value' => 1,
'fraction' => 0,
'currency' => "KUDOS");
$now = new DateTime('now');
$teaser = get_teaser($article);
$amount_value = 1;
$amount_fraction = 0;
$currency = "KUDOS";
$transaction_id = rand(0, 1001);
// Include all information so we can
// restore the contract without storing it
$fulfillment_url = url_rel("essay_fulfillment.php")
. '&uuid=${H_contract}' //<= super weird: that should be a '?', not '&', but works
. '&aval=' . urlencode($amount_value)
. '&afrac=' . urlencode($amount_fraction)
. '&acurr=' . urlencode($currency)
. '&tid=' . $transaction_id;
//file_put_contents("/tmp/debg1", $fulfillment_url);
$contract_json = generate_contract($amount_value,
$amount_fraction,
$currency,
$transaction_id,
trim($teaser->nodeValue),
$p_id,
$teatax,
$now,
$fulfillment_url);
$resp = give_to_backend($_SERVER["HTTP_HOST"],
"backend/contract",
$contract_json);
// Our response code is the same we got from the backend:
$status_code = $resp->getResponseCode();
http_response_code ($status_code);
// Now generate our body
if ($status_code != 200)
{
echo json_encode(array(
'error' => "internal error",
'hint' => "backend indicated error",
'detail' => $resp->body->toString()
), JSON_PRETTY_PRINT);
}
else
{
$got_json = json_decode($resp->body->toString(), true);
$hc = $got_json["H_contract"];
$payments = &pull($_SESSION, "payments", array());
$payments[$hc] = array(
'article' => $article,
);
echo json_encode ($got_json, JSON_PRETTY_PRINT);
}
?>
|
