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-rw-r--r--src/lib/Makefile.am1
-rw-r--r--src/lib/exchange_api_common.c2
-rw-r--r--src/lib/exchange_api_kyc_wallet.c232
3 files changed, 234 insertions, 1 deletions
diff --git a/src/lib/Makefile.am b/src/lib/Makefile.am
index 1a8ca6d28..518b725a8 100644
--- a/src/lib/Makefile.am
+++ b/src/lib/Makefile.am
@@ -28,6 +28,7 @@ libtalerexchange_la_SOURCES = \
exchange_api_deposit.c \
exchange_api_deposits_get.c \
exchange_api_kyc_check.c \
+ exchange_api_kyc_wallet.c \
exchange_api_link.c \
exchange_api_management_auditor_disable.c \
exchange_api_management_auditor_enable.c \
diff --git a/src/lib/exchange_api_common.c b/src/lib/exchange_api_common.c
index a6873c656..9c4a95ad0 100644
--- a/src/lib/exchange_api_common.c
+++ b/src/lib/exchange_api_common.c
@@ -445,7 +445,7 @@ TALER_EXCHANGE_free_reserve_history (
* @param[out] total how much of the coin has been spent according to @a history
* @return #GNUNET_OK if @a history is valid, #GNUNET_SYSERR if not
*/
-int
+enum GNUNET_GenericReturnValue
TALER_EXCHANGE_verify_coin_history (
const struct TALER_EXCHANGE_DenomPublicKey *dk,
const char *currency,
diff --git a/src/lib/exchange_api_kyc_wallet.c b/src/lib/exchange_api_kyc_wallet.c
new file mode 100644
index 000000000..16d4253ef
--- /dev/null
+++ b/src/lib/exchange_api_kyc_wallet.c
@@ -0,0 +1,232 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2021 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 lib/exchange_api_kyc_wallet.c
+ * @brief Implementation of the /kyc-wallet request
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include <microhttpd.h> /* just for HTTP wallet codes */
+#include <gnunet/gnunet_util_lib.h>
+#include <gnunet/gnunet_curl_lib.h>
+#include "taler_exchange_service.h"
+#include "taler_json_lib.h"
+#include "exchange_api_handle.h"
+#include "taler_signatures.h"
+#include "exchange_api_curl_defaults.h"
+
+
+/**
+ * @brief A ``/kyc-wallet`` handle
+ */
+struct TALER_EXCHANGE_KycWalletHandle
+{
+
+ /**
+ * Context for #TEH_curl_easy_post(). Keeps the data that must
+ * persist for Curl to make the upload.
+ */
+ struct TALER_CURL_PostContext ctx;
+
+ /**
+ * The connection to exchange this request handle will use
+ */
+ struct TALER_EXCHANGE_Handle *exchange;
+
+ /**
+ * The url for this request.
+ */
+ char *url;
+
+ /**
+ * Handle for the request.
+ */
+ struct GNUNET_CURL_Job *job;
+
+ /**
+ * Function to call with the result.
+ */
+ TALER_EXCHANGE_KycWalletCallback cb;
+
+ /**
+ * Closure for @e cb.
+ */
+ void *cb_cls;
+
+};
+
+
+/**
+ * Function called when we're done processing the
+ * HTTP /kyc-wallet request.
+ *
+ * @param cls the `struct TALER_EXCHANGE_KycWalletHandle`
+ * @param response_code HTTP response code, 0 on error
+ * @param response parsed JSON result, NULL on error
+ */
+static void
+handle_kyc_wallet_finished (void *cls,
+ long response_code,
+ const void *response)
+{
+ struct TALER_EXCHANGE_KycWalletHandle *kwh = cls;
+ const json_t *j = response;
+ struct TALER_EXCHANGE_WalletKycResponse ks = {
+ .http_status = (unsigned int) response_code
+ };
+
+ kwh->job = NULL;
+ switch (response_code)
+ {
+ case 0:
+ ks.ec = TALER_EC_GENERIC_INVALID_RESPONSE;
+ break;
+ case MHD_HTTP_OK:
+ {
+ struct GNUNET_JSON_Specification spec[] = {
+ GNUNET_JSON_spec_uint64 ("payment_target_uuid",
+ &ks.payment_target_uuid),
+ GNUNET_JSON_spec_end ()
+ };
+
+ if (GNUNET_OK !=
+ GNUNET_JSON_parse (j,
+ spec,
+ NULL, NULL))
+ {
+ GNUNET_break_op (0);
+ ks.http_status = 0;
+ ks.ec = TALER_EC_GENERIC_INVALID_RESPONSE;
+ break;
+ }
+ break;
+ }
+ case MHD_HTTP_NO_CONTENT:
+ break;
+ case MHD_HTTP_BAD_REQUEST:
+ ks.ec = TALER_JSON_get_error_code (j);
+ /* This should never happen, either us or the exchange is buggy
+ (or API version conflict); just pass JSON reply to the application */
+ break;
+ case MHD_HTTP_UNAUTHORIZED:
+ ks.ec = TALER_JSON_get_error_code (j);
+ break;
+ case MHD_HTTP_NOT_FOUND:
+ ks.ec = TALER_JSON_get_error_code (j);
+ break;
+ case MHD_HTTP_INTERNAL_SERVER_ERROR:
+ ks.ec = TALER_JSON_get_error_code (j);
+ /* Server had an internal issue; we should retry, but this API
+ leaves this to the application */
+ break;
+ default:
+ /* unexpected response code */
+ GNUNET_break_op (0);
+ ks.ec = TALER_JSON_get_error_code (j);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Unexpected response code %u/%d for exchange /kyc-wallet\n",
+ (unsigned int) response_code,
+ (int) ks.ec);
+ break;
+ }
+ kwh->cb (kwh->cb_cls,
+ &ks);
+ TALER_EXCHANGE_kyc_wallet_cancel (kwh);
+}
+
+
+struct TALER_EXCHANGE_KycWalletHandle *
+TALER_EXCHANGE_kyc_wallet (struct TALER_EXCHANGE_Handle *exchange,
+ const struct TALER_ReservePrivateKeyP *reserve_priv,
+ TALER_EXCHANGE_KycWalletCallback cb,
+ void *cb_cls)
+{
+ struct TALER_EXCHANGE_KycWalletHandle *kwh;
+ CURL *eh;
+ json_t *req;
+ struct GNUNET_CURL_Context *ctx;
+ struct TALER_ReservePublicKeyP reserve_pub;
+ struct TALER_ReserveSignatureP reserve_sig;
+ struct GNUNET_CRYPTO_EccSignaturePurpose purpose = {
+ .size = htonl (sizeof (purpose)),
+ .purpose = htonl (TALER_SIGNATURE_WALLET_ACCOUNT_SETUP)
+ };
+
+ GNUNET_CRYPTO_eddsa_key_get_public (&reserve_priv->eddsa_priv,
+ &reserve_pub.eddsa_pub);
+
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_CRYPTO_eddsa_sign_ (&reserve_priv->eddsa_priv,
+ &purpose,
+ &reserve_sig.eddsa_signature));
+ req = GNUNET_JSON_PACK (
+ GNUNET_JSON_pack_data_auto ("reserve_pub",
+ &reserve_pub),
+ GNUNET_JSON_pack_data_auto ("reserve_sig",
+ &reserve_sig));
+ GNUNET_assert (NULL != req);
+ kwh = GNUNET_new (struct TALER_EXCHANGE_KycWalletHandle);
+ kwh->exchange = exchange;
+ kwh->cb = cb;
+ kwh->cb_cls = cb_cls;
+ kwh->url = TEAH_path_to_url (exchange,
+ "/kyc-wallet");
+ if (NULL == kwh->url)
+ {
+ GNUNET_free (kwh);
+ return NULL;
+ }
+ ctx = TEAH_handle_to_context (exchange);
+ eh = TALER_EXCHANGE_curl_easy_get_ (kwh->url);
+ if ( (NULL == eh) ||
+ (GNUNET_OK !=
+ TALER_curl_easy_post (&kwh->ctx,
+ eh,
+ req)) )
+ {
+ GNUNET_break (0);
+ if (NULL != eh)
+ curl_easy_cleanup (eh);
+ json_decref (req);
+ GNUNET_free (kwh->url);
+ GNUNET_free (kwh);
+ return NULL;
+ }
+ json_decref (req);
+ kwh->job = GNUNET_CURL_job_add (ctx,
+ eh,
+ &handle_kyc_wallet_finished,
+ kwh);
+ return kwh;
+}
+
+
+void
+TALER_EXCHANGE_kyc_wallet_cancel (struct TALER_EXCHANGE_KycWalletHandle *kwh)
+{
+ if (NULL != kwh->job)
+ {
+ GNUNET_CURL_job_cancel (kwh->job);
+ kwh->job = NULL;
+ }
+ GNUNET_free (kwh->url);
+ TALER_curl_easy_post_finished (&kwh->ctx);
+ GNUNET_free (kwh);
+}
+
+
+/* end of exchange_api_kyc_wallet.c */
generated by cgit v1.2.3 (git 2.26.2) at 2024-10-30 00:43:16 +0000