86 lines
2.2 KiB
C
86 lines
2.2 KiB
C
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/*
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This file is part of TALER
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Copyright (C) 2019-2020 Taler Systems SA
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TALER is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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TALER is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
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*/
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/**
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* @file payto.c
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* @brief Common utility functions for dealing with payto://-URIs
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* @author Florian Dold
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*/
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#include "platform.h"
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#include "taler_util.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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* Obtain the payment method from a @a payto_uri
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*
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* @param payto_uri the URL to parse
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* @return NULL on error (malformed @a payto_uri)
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*/
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char *
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TALER_payto_get_method (const char *payto_uri)
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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_uri,
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PAYTO,
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strlen (PAYTO)))
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return NULL;
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start = &payto_uri[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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* Obtain the account name from a payto URL.
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*
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* @param payto an x-taler-bank payto URL
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* @return only the account name from the @a payto URL, NULL if not an x-taler-bank
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* payto URL
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*/
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char *
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TALER_xtalerbank_account_from_payto (const char *payto)
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{
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const char *beg;
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const char *end;
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if (0 != strncasecmp (payto,
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"payto://x-taler-bank/",
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strlen ("payto://x-taler-bank/")))
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return NULL;
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beg = strchr (&payto[strlen ("payto://x-taler-bank/")],
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'/');
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if (NULL == beg)
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return NULL;
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beg++;
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end = strchr (beg,
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'?');
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if (NULL == end)
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return GNUNET_strdup (beg);
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return GNUNET_strndup (beg,
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end - beg);
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}
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