Visual FoxPro

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.

Visual FoxPro

LOCAL lnSuccess
LOCAL loCsr
LOCAL loFac
LOCAL lcCsrPem
LOCAL loXml
LOCAL lcXmlStr

lnSuccess = 0

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

loCsr = CreateObject('Chilkat.Csr')

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

loFac = CreateObject('Chilkat.FileAccess')
lcCsrPem = loFac.ReadEntireTextFile("qa_data/csr/sample.pem","utf-8")

lnSuccess = loCsr.LoadCsrPem(lcCsrPem)
IF (lnSuccess <> 1) THEN
    ? loCsr.LastErrorText
    RELEASE loCsr
    RELEASE loFac
    CANCEL
ENDIF

loXml = CreateObject('Chilkat.Xml')

lnSuccess = loCsr.GetExtensionRequest(loXml)
IF (lnSuccess <> 1) THEN
    ? "CSR has no extensionRequest."
    RELEASE loCsr
    RELEASE loFac
    RELEASE loXml
    CANCEL
ENDIF

lcXmlStr = loXml.GetXml()
? lcXmlStr

*  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

RELEASE loCsr
RELEASE loFac
RELEASE loXml