lazarus-ccr/components/lazmapviewer/source/mvdlefpc.pas
2019-04-25 19:42:50 +00:00

93 lines
2.4 KiB
ObjectPascal

{ Map Viewer Download Engine Free Pascal HTTP Client
Copyright (C) 2011 Maciej Kaczkowski / keit.co
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
This program 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 Library General Public License
for more details.
You should have received a copy of the GNU Library General Public License
along with this library; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Taken from:
https://forum.lazarus.freepascal.org/index.php/topic,12674.msg160255.html#msg160255
}
unit mvDLEFpc;
{$mode objfpc}{$H+}
interface
uses
SysUtils, Classes,
mvDownloadEngine;
type
{ TMVDEFPC }
TMVDEFPC = class(TMvCustomDownloadEngine)
{$IF FPC_FullVersion >= 30101}
private
FUseProxy: Boolean;
FProxyHost: string;
FProxyPort: Word;
FProxyUserName: String;
FProxyPassWord: String;
{$IFEND}
public
procedure DownloadFile(const Url: string; AStream: TStream); override;
{$IF FPC_FullVersion >= 30101}
published
property UseProxy: Boolean read FUseProxy write FUseProxy default false;
property ProxyHost: String read FProxyHost write FProxyHost;
property ProxyPort: Word read FProxyPort write FProxyPort;
property ProxyUsername: String read FProxyUserName write FProxyUserName;
property ProxyPassword: String read FProxyPassword write FProxyPassword;
{$IFEND}
end;
implementation
uses
fphttpclient;
{ TMVDEFPC }
procedure TMVDEFPC.DownloadFile(const Url: string; AStream: TStream);
var
http: TFpHttpClient;
begin
http := TFpHttpClient.Create(nil);
try
{$IF FPC_FullVersion >= 30000}
http.AllowRedirect := true;
{$IFEND}
http.AddHeader('User-Agent', 'Mozilla/5.0 (compatible; fpweb)');
{$IF FPC_FullVersion >= 30101}
if UseProxy then begin
http.Proxy.Host := FProxyHost;
http.Proxy.Port := FProxyPort;
http.Proxy.UserName := FProxyUserName;
http.Proxy.Password := FProxyPassword;
end;
{$ENDIF}
http.Get(Url, AStream);
AStream.Position := 0;
finally
http.Free;
end;
end;
end.