add missing file
This commit is contained in:
Christian Grothoff
parent
4f846eab96
commit
3684910845
530
src/wire/payto.c
Normal file
530
src/wire/payto.c
Normal file
@ -0,0 +1,530 @@
|
||||
/*
|
||||
This file is part of TALER
|
||||
(C) 2015--2019 GNUnet e.V.
|
||||
|
||||
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/payto.c
|
||||
* @brief Functions for parsing payto:// URIs
|
||||
* @author Christian Grothoff <christian@grothoff.org>
|
||||
*/
|
||||
#include "platform.h"
|
||||
#include "taler_util.h"
|
||||
#include "taler_wire_lib.h"
|
||||
|
||||
/**
|
||||
* Maximum legal 'value' for an account number, based on IEEE double (for JavaScript compatibility).
|
||||
*/
|
||||
#define MAX_ACCOUNT_NO (1LLU << 52)
|
||||
|
||||
|
||||
/**
|
||||
* Release memory allocated in @a acc.
|
||||
*
|
||||
* @param acc account to free, the pointer itself is NOT free'd.
|
||||
*/
|
||||
void
|
||||
TALER_WIRE_account_free (struct TALER_Account *acc)
|
||||
{
|
||||
switch (acc->type)
|
||||
{
|
||||
case TALER_PAC_NONE:
|
||||
return;
|
||||
case TALER_PAC_X_TALER_BANK:
|
||||
GNUNET_free (acc->details.x_taler_bank.hostname);
|
||||
acc->details.x_taler_bank.hostname = NULL;
|
||||
GNUNET_free (acc->details.x_taler_bank.bank_base_url);
|
||||
acc->details.x_taler_bank.bank_base_url = NULL;
|
||||
break;
|
||||
case TALER_PAC_IBAN:
|
||||
GNUNET_free (acc->details.iban.number);
|
||||
acc->details.iban.number = NULL;
|
||||
break;
|
||||
}
|
||||
acc->type = TALER_PAC_NONE;
|
||||
}
|
||||
|
||||
|
||||
/* Taken from GNU gettext */
|
||||
|
||||
/**
|
||||
* Entry in the country table.
|
||||
*/
|
||||
struct CountryTableEntry
|
||||
{
|
||||
/**
|
||||
* 2-Character international country code.
|
||||
*/
|
||||
const char *code;
|
||||
|
||||
/**
|
||||
* Long English name of the country.
|
||||
*/
|
||||
const char *english;
|
||||
};
|
||||
|
||||
|
||||
/* Keep the following table in sync with gettext.
|
||||
WARNING: the entries should stay sorted according to the code */
|
||||
/**
|
||||
* List of country codes.
|
||||
*/
|
||||
static const struct CountryTableEntry country_table[] =
|
||||
{
|
||||
{ "AE", "U.A.E." },
|
||||
{ "AF", "Afghanistan" },
|
||||
{ "AL", "Albania" },
|
||||
{ "AM", "Armenia" },
|
||||
{ "AN", "Netherlands Antilles" },
|
||||
{ "AR", "Argentina" },
|
||||
{ "AT", "Austria" },
|
||||
{ "AU", "Australia" },
|
||||
{ "AZ", "Azerbaijan" },
|
||||
{ "BA", "Bosnia and Herzegovina" },
|
||||
{ "BD", "Bangladesh" },
|
||||
{ "BE", "Belgium" },
|
||||
{ "BG", "Bulgaria" },
|
||||
{ "BH", "Bahrain" },
|
||||
{ "BN", "Brunei Darussalam" },
|
||||
{ "BO", "Bolivia" },
|
||||
{ "BR", "Brazil" },
|
||||
{ "BT", "Bhutan" },
|
||||
{ "BY", "Belarus" },
|
||||
{ "BZ", "Belize" },
|
||||
{ "CA", "Canada" },
|
||||
{ "CG", "Congo" },
|
||||
{ "CH", "Switzerland" },
|
||||
{ "CI", "Cote d'Ivoire" },
|
||||
{ "CL", "Chile" },
|
||||
{ "CM", "Cameroon" },
|
||||
{ "CN", "People's Republic of China" },
|
||||
{ "CO", "Colombia" },
|
||||
{ "CR", "Costa Rica" },
|
||||
{ "CS", "Serbia and Montenegro" },
|
||||
{ "CZ", "Czech Republic" },
|
||||
{ "DE", "Germany" },
|
||||
{ "DK", "Denmark" },
|
||||
{ "DO", "Dominican Republic" },
|
||||
{ "DZ", "Algeria" },
|
||||
{ "EC", "Ecuador" },
|
||||
{ "EE", "Estonia" },
|
||||
{ "EG", "Egypt" },
|
||||
{ "ER", "Eritrea" },
|
||||
{ "ES", "Spain" },
|
||||
{ "ET", "Ethiopia" },
|
||||
{ "FI", "Finland" },
|
||||
{ "FO", "Faroe Islands" },
|
||||
{ "FR", "France" },
|
||||
{ "GB", "United Kingdom" },
|
||||
{ "GD", "Caribbean" },
|
||||
{ "GE", "Georgia" },
|
||||
{ "GL", "Greenland" },
|
||||
{ "GR", "Greece" },
|
||||
{ "GT", "Guatemala" },
|
||||
{ "HK", "Hong Kong" },
|
||||
{ "HK", "Hong Kong S.A.R." },
|
||||
{ "HN", "Honduras" },
|
||||
{ "HR", "Croatia" },
|
||||
{ "HT", "Haiti" },
|
||||
{ "HU", "Hungary" },
|
||||
{ "ID", "Indonesia" },
|
||||
{ "IE", "Ireland" },
|
||||
{ "IL", "Israel" },
|
||||
{ "IN", "India" },
|
||||
{ "IQ", "Iraq" },
|
||||
{ "IR", "Iran" },
|
||||
{ "IS", "Iceland" },
|
||||
{ "IT", "Italy" },
|
||||
{ "JM", "Jamaica" },
|
||||
{ "JO", "Jordan" },
|
||||
{ "JP", "Japan" },
|
||||
{ "KE", "Kenya" },
|
||||
{ "KG", "Kyrgyzstan" },
|
||||
{ "KH", "Cambodia" },
|
||||
{ "KR", "South Korea" },
|
||||
{ "KW", "Kuwait" },
|
||||
{ "KZ", "Kazakhstan" },
|
||||
{ "LA", "Laos" },
|
||||
{ "LB", "Lebanon" },
|
||||
{ "LI", "Liechtenstein" },
|
||||
{ "LK", "Sri Lanka" },
|
||||
{ "LT", "Lithuania" },
|
||||
{ "LU", "Luxembourg" },
|
||||
{ "LV", "Latvia" },
|
||||
{ "LY", "Libya" },
|
||||
{ "MA", "Morocco" },
|
||||
{ "MC", "Principality of Monaco" },
|
||||
{ "MD", "Moldava" },
|
||||
{ "MD", "Moldova" },
|
||||
{ "ME", "Montenegro" },
|
||||
{ "MK", "Former Yugoslav Republic of Macedonia" },
|
||||
{ "ML", "Mali" },
|
||||
{ "MM", "Myanmar" },
|
||||
{ "MN", "Mongolia" },
|
||||
{ "MO", "Macau S.A.R." },
|
||||
{ "MT", "Malta" },
|
||||
{ "MV", "Maldives" },
|
||||
{ "MX", "Mexico" },
|
||||
{ "MY", "Malaysia" },
|
||||
{ "NG", "Nigeria" },
|
||||
{ "NI", "Nicaragua" },
|
||||
{ "NL", "Netherlands" },
|
||||
{ "NO", "Norway" },
|
||||
{ "NP", "Nepal" },
|
||||
{ "NZ", "New Zealand" },
|
||||
{ "OM", "Oman" },
|
||||
{ "PA", "Panama" },
|
||||
{ "PE", "Peru" },
|
||||
{ "PH", "Philippines" },
|
||||
{ "PK", "Islamic Republic of Pakistan" },
|
||||
{ "PL", "Poland" },
|
||||
{ "PR", "Puerto Rico" },
|
||||
{ "PT", "Portugal" },
|
||||
{ "PY", "Paraguay" },
|
||||
{ "QA", "Qatar" },
|
||||
{ "RE", "Reunion" },
|
||||
{ "RO", "Romania" },
|
||||
{ "RS", "Serbia" },
|
||||
{ "RU", "Russia" },
|
||||
{ "RW", "Rwanda" },
|
||||
{ "SA", "Saudi Arabia" },
|
||||
{ "SE", "Sweden" },
|
||||
{ "SG", "Singapore" },
|
||||
{ "SI", "Slovenia" },
|
||||
{ "SK", "Slovak" },
|
||||
{ "SN", "Senegal" },
|
||||
{ "SO", "Somalia" },
|
||||
{ "SR", "Suriname" },
|
||||
{ "SV", "El Salvador" },
|
||||
{ "SY", "Syria" },
|
||||
{ "TH", "Thailand" },
|
||||
{ "TJ", "Tajikistan" },
|
||||
{ "TM", "Turkmenistan" },
|
||||
{ "TN", "Tunisia" },
|
||||
{ "TR", "Turkey" },
|
||||
{ "TT", "Trinidad and Tobago" },
|
||||
{ "TW", "Taiwan" },
|
||||
{ "TZ", "Tanzania" },
|
||||
{ "UA", "Ukraine" },
|
||||
{ "US", "United States" },
|
||||
{ "UY", "Uruguay" },
|
||||
{ "VA", "Vatican" },
|
||||
{ "VE", "Venezuela" },
|
||||
{ "VN", "Viet Nam" },
|
||||
{ "YE", "Yemen" },
|
||||
{ "ZA", "South Africa" },
|
||||
{ "ZW", "Zimbabwe" }
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Country code comparator function, for binary search with bsearch().
|
||||
*
|
||||
* @param ptr1 pointer to a `struct table_entry`
|
||||
* @param ptr2 pointer to a `struct table_entry`
|
||||
* @return result of strncmp()'ing the 2-digit country codes of the entries
|
||||
*/
|
||||
static int
|
||||
cmp_country_code (const void *ptr1,
|
||||
const void *ptr2)
|
||||
{
|
||||
const struct CountryTableEntry *cc1 = ptr1;
|
||||
const struct CountryTableEntry *cc2 = ptr2;
|
||||
|
||||
return strncmp (cc1->code,
|
||||
cc2->code,
|
||||
2);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Validates given IBAN according to the European Banking Standards. See:
|
||||
* http://www.europeanpaymentscouncil.eu/documents/ECBS%20IBAN%20standard%20EBS204_V3.2.pdf
|
||||
*
|
||||
* @param iban the IBAN number to validate
|
||||
* @return #GNUNET_YES if correctly formatted; #GNUNET_NO if not
|
||||
*/
|
||||
static int
|
||||
validate_iban (const char *iban)
|
||||
{
|
||||
char cc[2];
|
||||
char ibancpy[35];
|
||||
struct CountryTableEntry cc_entry;
|
||||
unsigned int len;
|
||||
char *nbuf;
|
||||
unsigned long long dividend;
|
||||
unsigned long long remainder;
|
||||
int nread;
|
||||
int ret;
|
||||
unsigned int i;
|
||||
unsigned int j;
|
||||
|
||||
len = strlen (iban);
|
||||
if (len > 34)
|
||||
{
|
||||
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
|
||||
"IBAN number too long to be valid\n");
|
||||
return GNUNET_NO;
|
||||
}
|
||||
strncpy (cc, iban, 2);
|
||||
strncpy (ibancpy, iban + 4, len - 4);
|
||||
strncpy (ibancpy + len - 4, iban, 4);
|
||||
ibancpy[len] = '\0';
|
||||
cc_entry.code = cc;
|
||||
cc_entry.english = NULL;
|
||||
if (NULL ==
|
||||
bsearch (&cc_entry,
|
||||
country_table,
|
||||
sizeof (country_table) / sizeof (struct CountryTableEntry),
|
||||
sizeof (struct CountryTableEntry),
|
||||
&cmp_country_code))
|
||||
{
|
||||
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
|
||||
"Country code `%c%c' not supported\n",
|
||||
cc[0],
|
||||
cc[1]);
|
||||
return GNUNET_NO;
|
||||
}
|
||||
nbuf = GNUNET_malloc ((len * 2) + 1);
|
||||
for (i=0, j=0; i < len; i++)
|
||||
{
|
||||
if (isalpha ((unsigned char) ibancpy[i]))
|
||||
{
|
||||
if (2 != snprintf(&nbuf[j],
|
||||
3,
|
||||
"%2u",
|
||||
(ibancpy[i] - 'A' + 10)))
|
||||
{
|
||||
GNUNET_free (nbuf);
|
||||
return GNUNET_NO;
|
||||
}
|
||||
j += 2;
|
||||
continue;
|
||||
}
|
||||
nbuf[j] = ibancpy[i];
|
||||
j++;
|
||||
}
|
||||
for (j=0;'\0' != nbuf[j];j++)
|
||||
GNUNET_assert (isdigit( (unsigned char) nbuf[j]));
|
||||
GNUNET_assert (sizeof(dividend) >= 8);
|
||||
remainder = 0;
|
||||
for (unsigned int i=0; i<j; i+=16)
|
||||
{
|
||||
if (1 !=
|
||||
(ret = sscanf (&nbuf[i],
|
||||
"%16llu %n",
|
||||
÷nd,
|
||||
&nread)))
|
||||
{
|
||||
GNUNET_free (nbuf);
|
||||
GNUNET_break_op (0);
|
||||
return GNUNET_NO;
|
||||
}
|
||||
if (0 != remainder)
|
||||
dividend += remainder * (pow (10, nread));
|
||||
remainder = dividend % 97;
|
||||
}
|
||||
GNUNET_free (nbuf);
|
||||
if (1 == remainder)
|
||||
return GNUNET_YES;
|
||||
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
|
||||
"IBAN checksum wrong\n");
|
||||
return GNUNET_NO;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Parse payto://iban/ account URL (only account information,
|
||||
* wire subject and amount are ignored).
|
||||
*
|
||||
* @param account_url URL to parse
|
||||
* @param account[out] set to information, can be NULL
|
||||
* @return #TALER_EC_NONE if @a account_url is well-formed
|
||||
*/
|
||||
static enum TALER_ErrorCode
|
||||
parse_payto_iban (const char *account_url,
|
||||
struct TALER_Account *account)
|
||||
{
|
||||
const char *iban;
|
||||
const char *q;
|
||||
char *result;
|
||||
|
||||
#define PREFIX "payto://iban/"
|
||||
if (0 != strncasecmp (account_url,
|
||||
PREFIX,
|
||||
strlen (PREFIX)))
|
||||
return TALER_EC_PAYTO_WRONG_METHOD;
|
||||
iban = &account_url[strlen (PREFIX)];
|
||||
#undef PREFIX
|
||||
q = strchr (iban,
|
||||
'?');
|
||||
if (NULL != q)
|
||||
{
|
||||
result = GNUNET_strndup (iban,
|
||||
q - iban);
|
||||
}
|
||||
else
|
||||
{
|
||||
result = GNUNET_strdup (iban);
|
||||
}
|
||||
if (GNUNET_OK !=
|
||||
validate_iban (result))
|
||||
{
|
||||
GNUNET_free (result);
|
||||
return TALER_EC_PAYTO_MALFORMED;
|
||||
}
|
||||
if (NULL != account)
|
||||
{
|
||||
account->type = TALER_PAC_IBAN;
|
||||
account->details.iban.number = result;
|
||||
}
|
||||
else
|
||||
{
|
||||
GNUNET_free (result);
|
||||
}
|
||||
return TALER_EC_NONE;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Parse payto://x-taler-bank/ account URL (only account information,
|
||||
* wire subject and amount are ignored).
|
||||
*
|
||||
* @param account_url URL to parse
|
||||
* @param account[out] set to information, can be NULL
|
||||
* @return #TALER_EC_NONE if @a account_url is well-formed
|
||||
*/
|
||||
static enum TALER_ErrorCode
|
||||
parse_payto_x_taler_bank (const char *account_url,
|
||||
struct TALER_Account *r_account)
|
||||
{
|
||||
const char *hostname;
|
||||
const char *account;
|
||||
const char *q;
|
||||
unsigned long long no;
|
||||
|
||||
#define PREFIX "payto://x-taler-bank/"
|
||||
if (0 != strncasecmp (account_url,
|
||||
PREFIX,
|
||||
strlen (PREFIX)))
|
||||
return TALER_EC_PAYTO_WRONG_METHOD;
|
||||
hostname = &account_url[strlen (PREFIX)];
|
||||
if (NULL == (account = strchr (hostname,
|
||||
(unsigned char) '/')))
|
||||
return TALER_EC_PAYTO_MALFORMED;
|
||||
account++;
|
||||
if (NULL != (q = strchr (account,
|
||||
(unsigned char) '?')))
|
||||
{
|
||||
char *s;
|
||||
|
||||
s = GNUNET_strndup (account,
|
||||
q - account);
|
||||
if (1 != sscanf (s,
|
||||
"%llu",
|
||||
&no))
|
||||
{
|
||||
GNUNET_free (s);
|
||||
return TALER_EC_PAYTO_MALFORMED;
|
||||
}
|
||||
GNUNET_free (s);
|
||||
}
|
||||
else if (1 != sscanf (account,
|
||||
"%llu",
|
||||
&no))
|
||||
{
|
||||
return TALER_EC_PAYTO_MALFORMED;
|
||||
}
|
||||
if (no > MAX_ACCOUNT_NO)
|
||||
return TALER_EC_PAYTO_MALFORMED;
|
||||
|
||||
if (NULL != r_account)
|
||||
{
|
||||
long long unsigned port;
|
||||
char *p;
|
||||
|
||||
r_account->details.x_taler_bank.hostname
|
||||
= GNUNET_strndup (hostname,
|
||||
account - hostname);
|
||||
r_account->details.x_taler_bank.no = no;
|
||||
port = 443; /* if non given, equals 443. */
|
||||
if (NULL != (p = strchr (r_account->details.x_taler_bank.hostname,
|
||||
(unsigned char) ':')))
|
||||
{
|
||||
p++;
|
||||
if (1 != sscanf (p,
|
||||
"%llu",
|
||||
&port))
|
||||
{
|
||||
GNUNET_break (0);
|
||||
TALER_LOG_ERROR ("Malformed host from payto:// URI\n");
|
||||
GNUNET_free (r_account->details.x_taler_bank.hostname);
|
||||
r_account->details.x_taler_bank.hostname = NULL;
|
||||
return TALER_EC_PAYTO_MALFORMED;
|
||||
}
|
||||
}
|
||||
if (443 != port)
|
||||
{
|
||||
GNUNET_assert
|
||||
(GNUNET_SYSERR != GNUNET_asprintf
|
||||
(&r_account->details.x_taler_bank.bank_base_url,
|
||||
"http://%s",
|
||||
r_account->details.x_taler_bank.hostname));
|
||||
}
|
||||
else
|
||||
{
|
||||
GNUNET_assert
|
||||
(GNUNET_SYSERR != GNUNET_asprintf
|
||||
(&r_account->details.x_taler_bank.bank_base_url,
|
||||
"https://%s",
|
||||
r_account->details.x_taler_bank.hostname));
|
||||
}
|
||||
}
|
||||
r_account->type = TALER_PAC_X_TALER_BANK;
|
||||
return TALER_EC_NONE;
|
||||
}
|
||||
|
||||
|
||||
typedef enum TALER_ErrorCode
|
||||
(*Parser) (const char *account_url,
|
||||
struct TALER_Account *r_account);
|
||||
|
||||
/**
|
||||
* Parse @a payto_url and store the result in @a acc
|
||||
*
|
||||
* @param payto_url URL to parse
|
||||
* @param acc[in,out] account to initialize, free using #TALER_WIRE_account_free() later
|
||||
* @return #TALER_EC_NONE if @a payto_url is well-formed
|
||||
*/
|
||||
enum TALER_ErrorCode
|
||||
TALER_WIRE_payto_to_account (const char *payto_url,
|
||||
struct TALER_Account *acc)
|
||||
{
|
||||
Parser parsers[] = {
|
||||
&parse_payto_x_taler_bank,
|
||||
&parse_payto_iban,
|
||||
NULL
|
||||
};
|
||||
|
||||
for (unsigned int i=0;NULL != parsers[i];i++)
|
||||
{
|
||||
enum TALER_ErrorCode ec = parsers[i](payto_url,
|
||||
acc);
|
||||
if (TALER_EC_PAYTO_WRONG_METHOD == ec)
|
||||
continue;
|
||||
return ec;
|
||||
}
|
||||
return TALER_EC_PAYTO_WRONG_METHOD;
|
||||
}
|
||||
|
||||
/* end of payto.c */
|
||||
Loading…
Reference in New Issue
Block a user