switch bank api to new authentication method API

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
index 000000000..0476379d8
--- /dev/null
+++ b/src/bank-lib/bank_api_common.c
@@ -0,0 +1,88 @@
+/*
+  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 */