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authorChristian Grothoff <christian@grothoff.org>2015-11-25 13:38:54 +0100
committerChristian Grothoff <christian@grothoff.org>2015-11-25 13:38:54 +0100
commit8e8e59917a09298f0e8d46884a93bef14c2ae98b (patch)
tree8c952f44255f8f87f18399a6431568b3124c0d6e /src/backend/taler-mint-httpd_responses.c
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rename fest to satisfy naming conventions
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-rw-r--r--src/backend/taler-mint-httpd_responses.c206
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diff --git a/src/backend/taler-mint-httpd_responses.c b/src/backend/taler-mint-httpd_responses.c
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-/*
- This file is part of TALER
- Copyright (C) 2014, 2015 GNUnet e.V.
-
- 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 Affero General Public License for more details.
-
- You should have received a copy of the GNU Affero General Public License along with
- TALER; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/>
-*/
-/**
- * @file taler-mint-httpd_responses.c
- * @brief API for generating the various replies of the mint; these
- * functions are called TMH_RESPONSE_reply_ and they generate
- * and queue MHD response objects for a given connection.
- * @author Florian Dold
- * @author Benedikt Mueller
- * @author Christian Grothoff
- */
-#include "platform.h"
-#include "taler-mint-httpd_responses.h"
-#include <taler/taler_util.h>
-#include <gnunet/gnunet_util_lib.h>
-
-
-/**
- * Send JSON object as response.
- *
- * @param connection the MHD connection
- * @param json the json object
- * @param response_code the http response code
- * @return MHD result code
- */
-int
-TMH_RESPONSE_reply_json (struct MHD_Connection *connection,
- const json_t *json,
- unsigned int response_code)
-{
- struct MHD_Response *resp;
- char *json_str;
- int ret;
-
- json_str = json_dumps (json, JSON_INDENT(2));
- GNUNET_assert (NULL != json_str);
- resp = MHD_create_response_from_buffer (strlen (json_str), json_str,
- MHD_RESPMEM_MUST_FREE);
- if (NULL == resp)
- {
- free (json_str);
- GNUNET_break (0);
- return MHD_NO;
- }
- (void) MHD_add_response_header (resp,
- MHD_HTTP_HEADER_CONTENT_TYPE,
- "application/json");
- ret = MHD_queue_response (connection,
- response_code,
- resp);
- MHD_destroy_response (resp);
- return ret;
-}
-
-
-/**
- * Function to call to handle the request by building a JSON
- * reply from a format string and varargs.
- *
- * @param connection the MHD connection to handle
- * @param response_code HTTP response code to use
- * @param fmt format string for pack
- * @param ... varargs
- * @return MHD result code
- */
-int
-TMH_RESPONSE_reply_json_pack (struct MHD_Connection *connection,
- unsigned int response_code,
- const char *fmt,
- ...)
-{
- json_t *json;
- va_list argp;
- int ret;
- json_error_t jerror;
-
- va_start (argp, fmt);
- json = json_vpack_ex (&jerror, 0, fmt, argp);
- va_end (argp);
- if (NULL == json)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Failed to pack JSON with format `%s': %s\n",
- fmt,
- jerror.text);
- GNUNET_break (0);
- return MHD_NO;
- }
- ret = TMH_RESPONSE_reply_json (connection,
- json,
- response_code);
- json_decref (json);
- return ret;
-}
-
-/**
- * Send a response indicating an internal error.
- *
- * @param connection the MHD connection to use
- * @param hint hint about the internal error's nature
- * @return a MHD result code
- */
-int
-TMH_RESPONSE_reply_internal_error (struct MHD_Connection *connection,
- const char *hint)
-{
- return TMH_RESPONSE_reply_json_pack (connection,
- MHD_HTTP_INTERNAL_SERVER_ERROR,
- "{s:s, s:s}",
- "error", "internal error",
- "hint", hint);
-}
-
-/**
- * Send a response indicating that the request was too big.
- *
- * @param connection the MHD connection to use
- * @return a MHD result code
- */
-int
-TMH_RESPONSE_reply_request_too_large (struct MHD_Connection *connection)
-{
- struct MHD_Response *resp;
- int ret;
-
- resp = MHD_create_response_from_buffer (0,
- NULL,
- MHD_RESPMEM_PERSISTENT);
- if (NULL == resp)
- return MHD_NO;
- ret = MHD_queue_response (connection,
- MHD_HTTP_REQUEST_ENTITY_TOO_LARGE,
- resp);
- MHD_destroy_response (resp);
- return ret;
-}
-
-
-/**
- * Send a response indicating that the JSON was malformed.
- *
- * @param connection the MHD connection to use
- * @return a MHD result code
- */
-int
-TMH_RESPONSE_reply_invalid_json (struct MHD_Connection *connection)
-{
- return TMH_RESPONSE_reply_json_pack (connection,
- MHD_HTTP_BAD_REQUEST,
- "{s:s}",
- "error",
- "invalid json");
-}
-
-/**
- * Add headers we want to return in every response.
- * Useful for testing, like if we want to always close
- * connections.
- *
- * @param response response to modify
- */
-void
-TMH_RESPONSE_add_global_headers (struct MHD_Response *response)
-{
- int TMH_mint_connection_close;
- TMH_mint_connection_close = 0;
-
- /* this test is taken verbatim from the mint's code,
- so there is no particular need to do that for a merchant */
- if (TMH_mint_connection_close)
- (void) MHD_add_response_header (response,
- MHD_HTTP_HEADER_CONNECTION,
- "close");
-}
-
-/**
- * Send a response indicating an external error.
- *
- * @param connection the MHD connection to use
- * @param hint hint about the error's nature
- * @return a MHD result code
- */
-int
-TMH_RESPONSE_reply_external_error (struct MHD_Connection *connection,
- const char *hint)
-{
- return TMH_RESPONSE_reply_json_pack (connection,
- MHD_HTTP_BAD_REQUEST,
- "{s:s, s:s}",
- "error", "client error",
- "hint", hint);
-}
-/* end of taler-mint-httpd_responses.c */