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109 lines
2.4 KiB
ObjectPascal
109 lines
2.4 KiB
ObjectPascal
program httpget;
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{$mode objfpc}{$H+}
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uses
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SysUtils, Classes, fphttpclient, sslsockets, fpopenssl;
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Type
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{ TTestApp }
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TTestApp = Class(Tobject)
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procedure DoProgress(Sender: TObject; Const ContentLength, CurrentPos : Int64);
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procedure DoHeaders(Sender : TObject);
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procedure DoPassword(Sender: TObject; var RepeatRequest: Boolean);
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procedure ShowRedirect(ASender : TObject; Const ASrc : String; Var ADest : String);
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Procedure Run;
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end;
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procedure TTestApp.DoHeaders(Sender : TObject);
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Var
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I : Integer;
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begin
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Writeln('Response headers received:');
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With (Sender as TFPHTTPClient) do
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For I:=0 to ResponseHeaders.Count-1 do
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Writeln(ResponseHeaders[i]);
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end;
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procedure TTestApp.DoProgress(Sender: TObject; const ContentLength, CurrentPos: Int64);
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begin
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If (ContentLength=0) then
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Writeln('Reading headers : ',CurrentPos,' Bytes.')
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else If (ContentLength=-1) then
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Writeln('Reading data (no length available) : ',CurrentPos,' Bytes.')
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else
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Writeln('Reading data : ',CurrentPos,' Bytes of ',ContentLength);
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end;
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procedure TTestApp.DoPassword(Sender: TObject; var RepeatRequest: Boolean);
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Var
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H,UN,PW : String;
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P : Integer;
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begin
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With TFPHTTPClient(Sender) do
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begin
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H:=GetHeader(ResponseHeaders,'WWW-Authenticate');
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end;
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P:=Pos('realm',LowerCase(H));
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if (P>0) then
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begin
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P:=Pos('"',H);
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Delete(H,1,P);
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P:=Pos('"',H);
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H:=Copy(H,1,Pos('"',H)-1);
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end;
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Writeln('Authorization required. Remote site says: ',H);
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Write('Enter username (empty quits): ');
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ReadLn(UN);
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RepeatRequest:=(UN<>'');
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if RepeatRequest then
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begin
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Write('Enter password: ');
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Readln(PW);
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TFPHTTPClient(Sender).UserName:=UN;
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TFPHTTPClient(Sender).Password:=PW;
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end;
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end;
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procedure TTestApp.ShowRedirect(ASender: TObject; const ASrc: String;
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var ADest: String);
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begin
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Writeln('Following redirect from ',ASrc,' ==> ',ADest);
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end;
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procedure TTestApp.Run;
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begin
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if (ParamCount<>2) then
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begin
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writeln('Usage : ',ExtractFileName(ParamStr(0)), 'URL filename');
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Halt(1);
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end;
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With TFPHTTPClient.Create(Nil) do
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try
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AllowRedirect:=True;
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OnRedirect:=@ShowRedirect;
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OnPassword:=@DoPassword;
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OnDataReceived:=@DoProgress;
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OnHeaders:=@DoHeaders;
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Get(ParamStr(1),ParamStr(2));
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finally
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Free;
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end;
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end;
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begin
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With TTestApp.Create do
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try
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Run;
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finally
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Free;
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end;
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end.
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