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
99
100
101
102
103
104
105
106
|
/*
This file is part of TALER
(C) 2018 Taler Systems SA
TALER is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 3,
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 General Public License for more details.
You should have received a copy of the GNU General Public
License along with TALER; see the file COPYING. If not, see
<http://www.gnu.org/licenses/>
*/
/**
* @file wire/wire_helper.c
* @brief Helper functions for dealing with wire formats
* @author Christian Grothoff <christian@grothoff.org>
*/
#include "platform.h"
#include "taler_util.h"
#include "taler_wire_lib.h"
/**
* Prefix of PAYTO URLs.
*/
#define PAYTO "payto://"
/**
* Maps wire methods to plugin names.
*/
struct ConversionTable
{
/**
* Wire method (e.g. 'sepa', 'x-taler-bank', ..)
*/
const char *method;
/**
* Plugin name, e.g. 'ebics', 'taler_bank', ..
*/
const char *plugin_name;
};
/**
* Obtain the payment method from a @a payto_url
*
* @param payto_url the URL to parse
* @return NULL on error (malformed @a payto_url)
*/
char *
TALER_WIRE_payto_get_method (const char *payto_url)
{
const char *start;
const char *end;
if (0 != strncmp (payto_url,
PAYTO,
strlen (PAYTO)))
return NULL;
start = &payto_url[strlen(PAYTO)];
end = strchr (start,
(unsigned char) '/');
if (NULL == end)
return NULL;
return GNUNET_strndup (start,
end - start);
}
/**
* Get the plugin name from the payment method.
*
* @param method the method implemented by the plugin (for
* simplicity, we assume 1 method is implemented by 1 plugin).
* @return the plugin name, NULL if not found.
*/
const char *
TALER_WIRE_get_plugin_from_method (const char *method)
{
static const struct ConversionTable ct[] = {
{"x-taler-bank", "taler_bank"},
{"sepa", "ebics"},
{NULL, NULL}
};
for (unsigned int i=0;
NULL != ct[i].method;
i++)
{
if (0 == strcmp (method,
ct[i].method))
return ct[i].plugin_name;
}
return NULL;
}
/* end of wire_helper.c */
|
