diff options
Diffstat (limited to 'src/util/payto.c')
-rw-r--r-- | src/util/payto.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/util/payto.c b/src/util/payto.c new file mode 100644 index 000000000..484db0bb2 --- /dev/null +++ b/src/util/payto.c @@ -0,0 +1,85 @@ +/* + This file is part of TALER + Copyright (C) 2019-2020 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 payto.c + * @brief Common utility functions for dealing with payto://-URIs + * @author Florian Dold + */ +#include "platform.h" +#include "taler_util.h" + + +/** + * Prefix of PAYTO URLs. + */ +#define PAYTO "payto://" + + +/** + * Obtain the payment method from a @a payto_uri + * + * @param payto_uri the URL to parse + * @return NULL on error (malformed @a payto_uri) + */ +char * +TALER_payto_get_method (const char *payto_uri) +{ + const char *start; + const char *end; + + if (0 != strncmp (payto_uri, + PAYTO, + strlen (PAYTO))) + return NULL; + start = &payto_uri[strlen (PAYTO)]; + end = strchr (start, + (unsigned char) '/'); + if (NULL == end) + return NULL; + return GNUNET_strndup (start, + end - start); +} + + +/** + * Obtain the account name from a payto URL. + * + * @param payto an x-taler-bank payto URL + * @return only the account name from the @a payto URL, NULL if not an x-taler-bank + * payto URL + */ +char * +TALER_xtalerbank_account_from_payto (const char *payto) +{ + const char *beg; + const char *end; + + if (0 != strncasecmp (payto, + "payto://x-taler-bank/", + strlen ("payto://x-taler-bank/"))) + return NULL; + beg = strchr (&payto[strlen ("payto://x-taler-bank/")], + '/'); + if (NULL == beg) + return NULL; + beg++; + end = strchr (beg, + '?'); + if (NULL == end) + return GNUNET_strdup (beg); + return GNUNET_strndup (beg, + end - beg); +} |