Pascal (Lazarus/Delphi)

CSR Get Extension Request

See more CSR Examples

If a CSR contains a 1.2.840.113549.1.9.14 extensionRequest, then this method will return the extension request in XML format.

Note: This example requires Chilkat v9.5.0.91 or greater.

Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.FileAccess,
  Chilkat.Csr,
  Chilkat.Xml;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  csr: TCsr;
  fac: TFileAccess;
  csrPem: string;
  xml: TXml;
  xmlStr: string;

begin
  success := False;

  //  This requires the Chilkat API to have been previously unlocked.
  //  See Global Unlock Sample for sample code.

  csr := TCsr.Create;

  //  Load a CSR PEM file.  The file should contain content that looks like this:
  //  
  //  	-----BEGIN CERTIFICATE REQUEST-----
  //  	MII...
  //  	....
  //  	....
  //  	....
  //  	-----END CERTIFICATE REQUEST-----

  fac := TFileAccess.Create;
  csrPem := fac.ReadEntireTextFile('qa_data/csr/sample.pem','utf-8');

  success := csr.LoadCsrPem(csrPem);
  if (success <> True) then
    begin
      WriteLn(csr.LastErrorText);
      Exit;
    end;

  xml := TXml.Create;

  success := csr.GetExtensionRequest(xml);
  if (success <> True) then
    begin
      WriteLn('CSR has no extensionRequest.');
      Exit;
    end;

  xmlStr := xml.GetXml();
  WriteLn(xmlStr);

  //  Sample output:

  //  <?xml version="1.0" encoding="utf-8"?>
  //  <set>
  //      <sequence>
  //          <sequence>
  //              <oid>1.3.6.1.4.1.311.20.2</oid>
  //              <asnOctets>
  //                  <printable>ZATCA-Code-Signing</printable>
  //              </asnOctets>
  //          </sequence>
  //          <sequence>
  //              <oid>2.5.29.17</oid>
  //              <asnOctets>
  //                  <sequence>
  //                      <contextSpecific tag="4" constructed="1">
  //                          <sequence>
  //                              <set>
  //                                  <sequence>
  //                                      <oid>2.5.4.4</oid>
  //                                      <utf8>334623324234325</utf8>
  //                                  </sequence>
  //                              </set>
  //                              <set>
  //                                  <sequence>
  //                                      <oid>0.9.2342.19200300.100.1.1</oid>
  //                                      <utf8>310122393500003</utf8>
  //                                  </sequence>
  //                              </set>
  //                              <set>
  //                                  <sequence>
  //                                      <oid>2.5.4.12</oid>
  //                                      <utf8>0000</utf8>
  //                                  </sequence>
  //                              </set>
  //                              <set>
  //                                  <sequence>
  //                                      <oid>2.5.4.26</oid>
  //                                      <utf8>Sample E</utf8>
  //                                  </sequence>
  //                              </set>
  //                              <set>
  //                                  <sequence>
  //                                      <oid>2.5.4.15</oid>
  //                                      <utf8>Sample Business</utf8>
  //                                  </sequence>
  //                              </set>
  //                          </sequence>
  //                      </contextSpecific>
  //                  </sequence>
  //              </asnOctets>
  //          </sequence>
  //      </sequence>
  //  </set>

  //  Use this online tool to generate parsing code from sample XML: 
  //  Generate Parsing Code from XML


  csr.Free;
  fac.Free;
  xml.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.