Return Xml document using Synapse  HTTP GET
lazarus / 38-Networking and Web Programming

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GagiMeister · 2015-11-20 07:15

I need help how to use synapse http get method with basic
authentication, I have google searched about this method but didn't
find any info about http get method with basic authentication.

Reasponse should return xml data

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Leledumbo · 2015-11-20 07:40

It's very simple, once you have the username and password, simply
concat them with ':', so you have username:password as one string.
This string is then encoded using Base64. Prepend the encoded string
with 'Authorization: Basic ' (without quotes of course, watch for
space after Basic). Now send this complete string in the request
header (search Synapse documentation on how to pass additional headers
upon request).

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GagiMeister · 2015-11-20 12:23

I have put something like this:

procedure TForm1.Button1Click(Sender: TObject);
var URL: string;
    Params: string;
    Response: TMemoryStream;
    r:THTTPSend;
begin
   r:=THTTPSend.Create;
   r.UserName:='username';
   r.Password:='password';
   Response := TMemoryStream.Create;
   URL:='URL OF THE WEB SERVICE';
   r.HTTPMethod('GET',URL);
   Memo1.Lines.Add(r.ResultString);
end;

In Memo1 I get just OK, probably status of the request. How can I
retrieve data from request? I should get xml data.

Ok I have figured it out how to retrieved xml data, I have just put:

Response:=r.Document;
Response.SaveToFile('c:\response.txt');

Here I just need to retrieve data from xml.