107 lines
2.4 KiB
C
107 lines
2.4 KiB
C
/*
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This file is part of TALER
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(C) 2018 Taler Systems SA
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TALER is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 3,
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or (at your option) any later version.
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TALER is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public
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License along with TALER; see the file COPYING. If not, see
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<http://www.gnu.org/licenses/>
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*/
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/**
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* @file wire/wire_helper.c
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* @brief Helper functions for dealing with wire formats
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* @author Christian Grothoff <christian@grothoff.org>
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*/
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#include "platform.h"
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#include "taler_util.h"
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#include "taler_wire_lib.h"
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/**
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* Prefix of PAYTO URLs.
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*/
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#define PAYTO "payto://"
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/**
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* Maps wire methods to plugin names.
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*/
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struct ConversionTable
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{
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/**
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* Wire method (e.g. 'sepa', 'x-taler-bank', ..)
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*/
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const char *method;
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/**
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* Plugin name, e.g. 'ebics', 'taler_bank', ..
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*/
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const char *plugin_name;
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};
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/**
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* Obtain the payment method from a @a payto_url
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*
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* @param payto_url the URL to parse
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* @return NULL on error (malformed @a payto_url)
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*/
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char *
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TALER_WIRE_payto_get_method (const char *payto_url)
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{
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const char *start;
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const char *end;
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if (0 != strncmp (payto_url,
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PAYTO,
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strlen (PAYTO)))
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return NULL;
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start = &payto_url[strlen(PAYTO)];
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end = strchr (start,
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(unsigned char) '/');
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if (NULL == end)
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return NULL;
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return GNUNET_strndup (start,
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end - start);
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}
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/**
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* Get the plugin name from the payment method.
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*
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* @param method the method implemented by the plugin (for
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* simplicity, we assume 1 method is implemented by 1 plugin).
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* @return the plugin name, NULL if not found.
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*/
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const char *
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TALER_WIRE_get_plugin_from_method (const char *method)
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{
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static const struct ConversionTable ct[] = {
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{"x-taler-bank", "taler_bank"},
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{"sepa", "ebics"},
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{NULL, NULL}
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};
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for (unsigned int i=0;
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NULL != ct[i].method;
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i++)
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{
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if (0 == strcmp (method,
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ct[i].method))
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return ct[i].plugin_name;
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}
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return NULL;
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}
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/* end of wire_helper.c */
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