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128 lines
4.0 KiB
ObjectPascal
128 lines
4.0 KiB
ObjectPascal
(*
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This file is part of libmicrohttpd
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Copyright (C) 2010 Christian Grothoff (and other contributing authors)
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*)
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(**
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* @file digest_auth_example.pp (Original: digest_auth_example.c)
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* @brief minimal example for how to use digest auth with libmicrohttpd
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* @author Amr Ali / Silvio Clécio
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*)
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program digest_auth_example;
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{$mode objfpc}{$H+}
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uses
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sysutils, BaseUnix, cmem, cutils, libmicrohttpd;
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const
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PAGE: Pcchar = '<html><head><title>libmicrohttpd demo</title></head><body>Access granted</body></html>';
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DENIED: Pcchar = '<html><head><title>libmicrohttpd demo</title></head><body>Access denied</body></html>';
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MY_OPAQUE_STR = '11733b200778ce33060f31c9af70a870ba96ddd4';
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function ahc_echo(cls: Pointer; connection: PMHD_Connection; url: Pcchar;
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method: Pcchar; version: Pcchar; upload_data: Pcchar;
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upload_data_size: Psize_t; ptr: PPointer): cint; cdecl;
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const
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password: Pcchar = 'testpass';
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realm: Pcchar = 'test@example.com';
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var
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response: PMHD_Response;
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username: Pcchar;
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ret: cint;
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signal_stale: cint;
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begin
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username := MHD_digest_auth_get_username(connection);
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if username = nil then
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begin
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response := MHD_create_response_from_buffer(strlen(DENIED), DENIED,
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MHD_RESPMEM_PERSISTENT);
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ret := MHD_queue_auth_fail_response(connection, realm, MY_OPAQUE_STR,
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response, MHD_NO);
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MHD_destroy_response(response);
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Exit(ret);
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end;
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ret := MHD_digest_auth_check(connection, realm, username, password, 300);
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Free(username);
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if (ret = MHD_INVALID_NONCE) or (ret = MHD_NO) then
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begin
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response := MHD_create_response_from_buffer(strlen(DENIED), DENIED,
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MHD_RESPMEM_PERSISTENT);
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if nil = response then
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Exit(MHD_NO);
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if ret = MHD_INVALID_NONCE then
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signal_stale := MHD_YES
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else
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signal_stale := MHD_NO;
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ret := MHD_queue_auth_fail_response(connection, realm, MY_OPAQUE_STR,
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response, signal_stale);
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MHD_destroy_response(response);
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Exit(ret);
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end;
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response := MHD_create_response_from_buffer(strlen(PAGE), PAGE,
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MHD_RESPMEM_PERSISTENT);
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ret := MHD_queue_response(connection, MHD_HTTP_OK, response);
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MHD_destroy_response(response);
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Result := ret;
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end;
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var
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fd: cint;
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rnd: array[0..7] of AnsiChar;
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len: ssize_t;
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off: size_t;
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d: PMHD_Daemon;
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begin
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if argc <> 2 then
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begin
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WriteLn(argv[0], ' PORT');
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Halt(1);
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end;
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fd := FpOpen('/dev/urandom', O_RDONLY);
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if -1 = fd then
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begin
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WriteLn(stderr, Format('Failed to open `%s'': %s', [
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'/dev/urandom', strerror(errno^)]));
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Halt(1);
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end;
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off := 0;
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while off < 8 do
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begin
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len := FpRead(fd, rnd, 8);
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if len = -1 then
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begin
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WriteLn(stderr, Format('Failed to read `%s'': %s', [
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'/dev/urandom', strerror(errno^)]));
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FpClose(fd);
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Halt(1);
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end;
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off += len;
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end;
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FpClose(fd);
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d := MHD_start_daemon(MHD_USE_THREAD_PER_CONNECTION or MHD_USE_DEBUG,
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StrToInt(argv[1]), nil, nil, @ahc_echo, PAGE,
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MHD_OPTION_DIGEST_AUTH_RANDOM, SizeOf(rnd), rnd,
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MHD_OPTION_NONCE_NC_SIZE, 300,
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MHD_OPTION_CONNECTION_TIMEOUT, cuint(120),
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MHD_OPTION_END);
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if d = nil then
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Halt(1);
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ReadLn;
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MHD_stop_daemon (d);
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end.
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