From a006a459e5f7e5c47d8b0bf25f40f66954cc6464 Mon Sep 17 00:00:00 2001 From: Christian Grothoff Date: Fri, 22 May 2020 11:19:49 +0200 Subject: add GET /tips/ID handler --- src/backend/Makefile.am | 2 + src/backend/taler-merchant-httpd.c | 8 ++ src/backend/taler-merchant-httpd_get-tips-ID.c | 117 +++++++++++++++++++++++++ src/backend/taler-merchant-httpd_get-tips-ID.h | 40 +++++++++ 4 files changed, 167 insertions(+) create mode 100644 src/backend/taler-merchant-httpd_get-tips-ID.c create mode 100644 src/backend/taler-merchant-httpd_get-tips-ID.h (limited to 'src/backend') diff --git a/src/backend/Makefile.am b/src/backend/Makefile.am index 16b6ea60..1c42b7f5 100644 --- a/src/backend/Makefile.am +++ b/src/backend/Makefile.am @@ -24,6 +24,8 @@ taler_merchant_httpd_SOURCES = \ taler-merchant-httpd_exchanges.c taler-merchant-httpd_exchanges.h \ taler-merchant-httpd_get-orders-ID.c \ taler-merchant-httpd_get-orders-ID.h \ + taler-merchant-httpd_get-tips-ID.c \ + taler-merchant-httpd_get-tips-ID.h \ taler-merchant-httpd_mhd.c taler-merchant-httpd_mhd.h \ taler-merchant-httpd_private-delete-instances-ID.c \ taler-merchant-httpd_private-delete-instances-ID.h \ diff --git a/src/backend/taler-merchant-httpd.c b/src/backend/taler-merchant-httpd.c index b2577bd2..3a43f8e4 100644 --- a/src/backend/taler-merchant-httpd.c +++ b/src/backend/taler-merchant-httpd.c @@ -28,6 +28,7 @@ #include "taler-merchant-httpd_config.h" #include "taler-merchant-httpd_exchanges.h" #include "taler-merchant-httpd_get-orders-ID.h" +#include "taler-merchant-httpd_get-tips-ID.h" #include "taler-merchant-httpd_mhd.h" #include "taler-merchant-httpd_private-delete-instances-ID.h" #include "taler-merchant-httpd_private-delete-products-ID.h" @@ -942,6 +943,13 @@ url_handler (void *cls, .have_id_segment = true, .handler = &TMH_get_orders_ID }, + /* GET /tips/$ID: */ + { + .url_prefix = "/tips/", + .method = MHD_HTTP_METHOD_GET, + .have_id_segment = true, + .handler = &TMH_get_tips_ID + }, { NULL } diff --git a/src/backend/taler-merchant-httpd_get-tips-ID.c b/src/backend/taler-merchant-httpd_get-tips-ID.c new file mode 100644 index 00000000..fc77b2f3 --- /dev/null +++ b/src/backend/taler-merchant-httpd_get-tips-ID.c @@ -0,0 +1,117 @@ +/* + This file is part of TALER + (C) 2014-2020 Taler Systems SA + + TALER is free software; you can redistribute it and/or modify it under the + terms of the GNU Affero General Public License as published by the Free Software + Foundation; either version 3, or (at your option) any later version. + + TALER is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR + A PARTICULAR PURPOSE. See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with + TALER; see the file COPYING. If not, see +*/ +/** + * @file backend/taler-merchant-httpd_get-tips-ID.c + * @brief implementation of GET /tips/$ID + * @author Marcello Stanisci + * @author Christian Grothoff + */ +#include "platform.h" +#include +#include +#include +#include "taler-merchant-httpd_get-tips-ID.h" + + +/** + * Handle a GET "/tips/$ID" request. + * + * @param rh context of the handler + * @param connection the MHD connection to handle + * @param[in,out] hc context with further information about the request + * @return MHD result code + */ +MHD_RESULT +TMH_get_tips_ID (const struct TMH_RequestHandler *rh, + struct MHD_Connection *connection, + struct TMH_HandlerContext *hc) +{ + struct GNUNET_HashCode tip_id; + enum GNUNET_DB_QueryStatus qs; + struct TALER_Amount total_authorized; + struct TALER_Amount total_picked_up; + struct GNUNET_TIME_Absolute expiration; + char *exchange_url; + struct TALER_ReservePrivateKeyP reserve_priv; + + if (GNUNET_OK != + GNUNET_CRYPTO_hash_from_string (hc->infix, + &tip_id)) + { + /* tip_id has wrong encoding */ + GNUNET_break_op (0); + return TALER_MHD_reply_with_error (connection, + MHD_HTTP_BAD_REQUEST, + TALER_EC_PARAMETER_MALFORMED, + "tip_id malformed"); + } + + TMH_db->preflight (TMH_db->cls); + qs = TMH_db->lookup_tip (TMH_db->cls, + hc->instance->settings.id, + &tip_id, + &total_authorized, + &total_picked_up, + &expiration, + &exchange_url, + &reserve_priv); + if (0 > qs) + { + /* single, read-only SQL statements should never cause + serialization problems */ + GNUNET_break (GNUNET_DB_STATUS_SOFT_ERROR != qs); + /* Always report on hard error as well to enable diagnostics */ + GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR == qs); + return TALER_MHD_reply_with_error (connection, + MHD_HTTP_INTERNAL_SERVER_ERROR, + TALER_EC_GET_TIPS_DB_LOOKUP_ERROR, + "database error looking up contract"); + } + if (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS == qs) + { + GNUNET_log (GNUNET_ERROR_TYPE_INFO, + "Unknown tip id given: `%s'\n", + hc->infix); + return TALER_MHD_reply_with_error (connection, + MHD_HTTP_NOT_FOUND, + TALER_EC_GET_TIPS_ID_UNKNOWN, + "tip_id not found in database"); + } + + /* Build response */ + { + MHD_RESULT ret; + struct TALER_Amount remaining; + + GNUNET_break (0 >= + TALER_amount_subtract (&remaining, + &total_authorized, + &total_picked_up)); + ret = TALER_MHD_reply_json_pack (connection, + MHD_HTTP_OK, + "{s:s, s:o, s:o, s:o}", + "exchange_url", exchange_url, + "tip_amount", + TALER_JSON_from_amount (&remaining), + "expiration", + GNUNET_JSON_from_time_abs (expiration)); + GNUNET_free (exchange_url); + return ret; + } +} + + +/* end of taler-merchant-httpd_get-tips-ID.c */ diff --git a/src/backend/taler-merchant-httpd_get-tips-ID.h b/src/backend/taler-merchant-httpd_get-tips-ID.h new file mode 100644 index 00000000..6fa0253a --- /dev/null +++ b/src/backend/taler-merchant-httpd_get-tips-ID.h @@ -0,0 +1,40 @@ +/* + This file is part of TALER + (C) 2020 Taler Systems SA + + TALER is free software; you can redistribute it and/or modify it under the + terms of the GNU Affero 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 +*/ +/** + * @file backend/taler-merchant-httpd_get-tips-ID.h + * @brief implementation of GET /tips/$ID + * @author Marcello Stanisci + */ +#ifndef TALER_MERCHANT_HTTPD_GET_TIPS_ID_H +#define TALER_MERCHANT_HTTPD_GET_TIPS_ID_H +#include +#include "taler-merchant-httpd.h" + + +/** + * Handle a GET "/tips/$ID" request. + * + * @param rh context of the handler + * @param connection the MHD connection to handle + * @param[in,out] hc context with further information about the request + * @return MHD result code + */ +MHD_RESULT +TMH_get_tips_ID (const struct TMH_RequestHandler *rh, + struct MHD_Connection *connection, + struct TMH_HandlerContext *hc); + +#endif -- cgit v1.2.3