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authorChristian Grothoff <christian@grothoff.org>2018-10-06 17:29:03 +0200
committerChristian Grothoff <christian@grothoff.org>2018-10-06 17:29:03 +0200
commiteb1b6fbc97895356f2794927f81463d43c23c76a (patch)
treed28933c6706a66ba76895334fe65cdc67fe6cfe6 /src/auditor/taler-auditor-httpd_mhd.c
parenta56e2e34bce77d41a6d3a2cbbcb89119b98ef750 (diff)
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add skeleton for auditor httpd
Diffstat (limited to 'src/auditor/taler-auditor-httpd_mhd.c')
-rw-r--r--src/auditor/taler-auditor-httpd_mhd.c158
1 files changed, 158 insertions, 0 deletions
diff --git a/src/auditor/taler-auditor-httpd_mhd.c b/src/auditor/taler-auditor-httpd_mhd.c
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+/*
+ This file is part of TALER
+ Copyright (C) 2014 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, see <http://www.gnu.org/licenses/>
+*/
+
+/**
+ * @file taler-auditor-httpd_mhd.c
+ * @brief helpers for MHD interaction; these are TALER_AUDITOR_handler_ functions
+ * that generate simple MHD replies that do not require any real operations
+ * to be performed (error handling, static pages, etc.)
+ * @author Florian Dold
+ * @author Benedikt Mueller
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include <gnunet/gnunet_util_lib.h>
+#include <jansson.h>
+#include <microhttpd.h>
+#include <pthread.h>
+#include "taler-auditor-httpd_responses.h"
+#include "taler-auditor-httpd.h"
+#include "taler-auditor-httpd_mhd.h"
+
+/**
+ * Function to call to handle the request by sending
+ * back static data from the @a rh.
+ *
+ * @param rh context of the handler
+ * @param connection the MHD connection to handle
+ * @param[in,out] connection_cls the connection's closure (can be updated)
+ * @param upload_data upload data
+ * @param[in,out] upload_data_size number of bytes (left) in @a upload_data
+ * @return MHD result code
+ */
+int
+TAH_MHD_handler_static_response (struct TAH_RequestHandler *rh,
+ struct MHD_Connection *connection,
+ void **connection_cls,
+ const char *upload_data,
+ size_t *upload_data_size)
+{
+ struct MHD_Response *response;
+ int ret;
+
+ if (0 == rh->data_size)
+ rh->data_size = strlen ((const char *) rh->data);
+ response = MHD_create_response_from_buffer (rh->data_size,
+ (void *) rh->data,
+ MHD_RESPMEM_PERSISTENT);
+ if (NULL == response)
+ {
+ GNUNET_break (0);
+ return MHD_NO;
+ }
+ TAH_RESPONSE_add_global_headers (response);
+ if (NULL != rh->mime_type)
+ (void) MHD_add_response_header (response,
+ MHD_HTTP_HEADER_CONTENT_TYPE,
+ rh->mime_type);
+ ret = MHD_queue_response (connection,
+ rh->response_code,
+ response);
+ MHD_destroy_response (response);
+ return ret;
+}
+
+
+/**
+ * Function to call to handle the request by sending
+ * back a redirect to the AGPL source code.
+ *
+ * @param rh context of the handler
+ * @param connection the MHD connection to handle
+ * @param[in,out] connection_cls the connection's closure (can be updated)
+ * @param upload_data upload data
+ * @param[in,out] upload_data_size number of bytes (left) in @a upload_data
+ * @return MHD result code
+ */
+int
+TAH_MHD_handler_agpl_redirect (struct TAH_RequestHandler *rh,
+ struct MHD_Connection *connection,
+ void **connection_cls,
+ const char *upload_data,
+ size_t *upload_data_size)
+{
+ const char *agpl =
+ "This server is licensed under the Affero GPL. You will now be redirected to the source code.";
+ struct MHD_Response *response;
+ int ret;
+
+ response = MHD_create_response_from_buffer (strlen (agpl),
+ (void *) agpl,
+ MHD_RESPMEM_PERSISTENT);
+ if (NULL == response)
+ {
+ GNUNET_break (0);
+ return MHD_NO;
+ }
+ TAH_RESPONSE_add_global_headers (response);
+ if (NULL != rh->mime_type)
+ (void) MHD_add_response_header (response,
+ MHD_HTTP_HEADER_CONTENT_TYPE,
+ rh->mime_type);
+ if (MHD_NO ==
+ MHD_add_response_header (response,
+ MHD_HTTP_HEADER_LOCATION,
+ "http://www.git.taler.net/?p=auditor.git"))
+ {
+ GNUNET_break (0);
+ MHD_destroy_response (response);
+ return MHD_NO;
+ }
+ ret = MHD_queue_response (connection,
+ rh->response_code,
+ response);
+ MHD_destroy_response (response);
+ return ret;
+}
+
+
+/**
+ * Function to call to handle the request by building a JSON
+ * reply with an error message from @a rh.
+ *
+ * @param rh context of the handler
+ * @param connection the MHD connection to handle
+ * @param[in,out] connection_cls the connection's closure (can be updated)
+ * @param upload_data upload data
+ * @param[in,out] upload_data_size number of bytes (left) in @a upload_data
+ * @return MHD result code
+ */
+int
+TAH_MHD_handler_send_json_pack_error (struct TAH_RequestHandler *rh,
+ struct MHD_Connection *connection,
+ void **connection_cls,
+ const char *upload_data,
+ size_t *upload_data_size)
+{
+ return TAH_RESPONSE_reply_json_pack (connection,
+ rh->response_code,
+ "{s:s}",
+ "error",
+ rh->data);
+}
+
+
+/* end of taler-auditor-httpd_mhd.c */