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+(*
+ This file is part of libmicrohttpd
+ Copyright (C) 2007, 2008 Christian Grothoff (and other contributing authors)
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+*)
+(**
+ * @file refuse_post_example.pp (Original: refuse_post_example.c)
+ * @brief example for how to refuse a POST request properly
+ * @author Christian Grothoff, Sebastian Gerhardt and Silvio Clécio
+ *)
+
+program refuse_post_example;
+
+{$mode objfpc}{$H+}
+
+uses
+ sysutils, libmicrohttpd;
+
+const
+ askpage: Pcchar =
+ '<html><body>'#10+
+ 'Upload a file, please!<br>'#10+
+ '<form action="/filepost" method="post" enctype="multipart/form-data">'#10+
+ '<input name="file" type="file">'#10+
+ '<input type="submit" value=" Send "></form>'#10+
+ '</body></html>';
+
+ BUSYPAGE: Pcchar = '<html><head><title>Webserver busy</title></head><body>We are too busy to process POSTs right now.</body></html>';
+
+ function ahc_echo(cls: Pointer; connection: PMHD_Connection; url: Pcchar;
+ method: Pcchar; version: Pcchar; upload_data: Pcchar;
+ upload_data_size: Psize_t; ptr: PPointer): cint; cdecl;
+ const
+ aptr: cint = 0;
+ var
+ me: Pcchar;
+ response: PMHD_Response;
+ ret: cint;
+ begin
+ me := cls;
+ if (0 <> strcomp(method, 'GET')) and (0 <> strcomp(method, 'POST')) then
+ Exit(MHD_NO); (* unexpected method *)
+ if @aptr <> ptr^ then
+ begin
+ ptr^ := @aptr;
+ (* always to busy for POST requests *)
+ if 0 = strcomp(method, 'POST') then
+ begin
+ response := MHD_create_response_from_buffer(strlen(BUSYPAGE),
+ Pointer(BUSYPAGE), MHD_RESPMEM_PERSISTENT);
+ ret := MHD_queue_response (connection, MHD_HTTP_SERVICE_UNAVAILABLE,
+ response);
+ MHD_destroy_response (response);
+ Exit(ret);
+ end;
+ end;
+ ptr^ := nil; (* reset when done *)
+ response := MHD_create_response_from_buffer(strlen(me), Pointer(me),
+ MHD_RESPMEM_PERSISTENT);
+ ret := MHD_queue_response(connection, MHD_HTTP_OK, response);
+ MHD_destroy_response(response);
+ Result := ret;
+ end;
+
+var
+ d: PMHD_Daemon;
+begin
+ if argc <> 2 then
+ begin
+ WriteLn(argv[0], ' PORT');
+ Halt(1);
+ end;
+ d := MHD_start_daemon(MHD_USE_THREAD_PER_CONNECTION or MHD_USE_DEBUG,
+ StrToInt(argv[1]), nil, nil, @ahc_echo, Pointer(askpage),
+ MHD_OPTION_END);
+ if d = nil then
+ Halt(1);
+ ReadLn;
+ MHD_stop_daemon(d);
+end.
+