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/*
This file is part of TALER
Copyright (C) 2015, 2016, 2017 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 bank-lib/bank_api_common.c
* @brief Common functions for the bank API
* @author Christian Grothoff
*/
#include "platform.h"
#include "bank_api_common.h"
/**
* Append HTTP key-value pair to curl header list.
*
* @param hdr list to append to, can be NULL
* @param key key to append
* @param value value to append
* @return new list, NULL on error
*/
static struct curl_slist *
append (struct curl_slist *hdr,
const char *key,
const char *value)
{
char *str;
struct curl_slist *ret;
GNUNET_asprintf (&str,
"%s: %s",
key,
value);
ret = curl_slist_append (hdr,
str);
GNUNET_free (str);
if (NULL == ret)
{
GNUNET_break (0);
curl_slist_free_all (hdr);
return NULL;
}
return ret;
}
/**
* Build authentication header from @a auth.
*
* @param auth authentication data to use
* @return NULL on error, otherwise curl headers to use
*/
struct curl_slist *
TALER_BANK_make_auth_header_ (const struct TALER_BANK_AuthenticationData *auth)
{
struct curl_slist *authh;
switch (auth->method)
{
case TALER_BANK_AUTH_NONE:
return NULL;
case TALER_BANK_AUTH_BASIC:
authh = append (NULL,
"X-Taler-Bank-Username",
auth->details.basic.username);
if (NULL == authh)
return NULL;
authh = append (authh,
"X-Taler-Bank-Password",
auth->details.basic.password);
break;
}
return authh;
}
/* end of bank_api_common.c */
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