From eb1b6fbc97895356f2794927f81463d43c23c76a Mon Sep 17 00:00:00 2001 From: Christian Grothoff Date: Sat, 6 Oct 2018 17:29:03 +0200 Subject: add skeleton for auditor httpd --- src/auditor/taler-auditor-httpd_mhd.c | 158 ++++++++++++++++++++++++++++++++++ 1 file changed, 158 insertions(+) create mode 100644 src/auditor/taler-auditor-httpd_mhd.c (limited to 'src/auditor/taler-auditor-httpd_mhd.c') diff --git a/src/auditor/taler-auditor-httpd_mhd.c b/src/auditor/taler-auditor-httpd_mhd.c new file mode 100644 index 000000000..b8fc65afd --- /dev/null +++ b/src/auditor/taler-auditor-httpd_mhd.c @@ -0,0 +1,158 @@ +/* + 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 +*/ + +/** + * @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 +#include +#include +#include +#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 */ -- cgit v1.2.3