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-rw-r--r--src/bank-lib/bank_api_common.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/src/bank-lib/bank_api_common.c b/src/bank-lib/bank_api_common.c
new file mode 100644
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--- /dev/null
+++ b/src/bank-lib/bank_api_common.c
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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 */