(Delphi DLL) SharePoint -- Delete a File

Demonstrates how to delete a SharePoint file.

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Http, HttpRequest, Xml, HttpResponse;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: HCkHttp;
req: HCkHttpRequest;
bUseTls: Boolean;
resp: HCkHttpResponse;
xml: HCkXml;

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

http := CkHttp_Create();

//  If SharePoint Windows classic authentication is used, then set the
//  Login, Password, LoginDomain, and NtlmAuth properties.
CkHttp_putLogin(http,'SHAREPOINT_USERNAME');
CkHttp_putPassword(http,'SHAREPOINT_PASSWORD');
CkHttp_putLoginDomain(http,'SHAREPOINT_NTLM_DOMAIN');
CkHttp_putNtlmAuth(http,True);

//  The more common case is to use SharePoint Online authentication (via the SPOIDCRL cookie).
//  If so, do not set Login, Password, LoginDomain, and NtlmAuth, and instead
//  establish the cookie as shown at SharePoint Online Authentication

//  This example will delete the file named "penguins2.jpg"
//  which is located in the "/Documents" folder.

req := CkHttpRequest_Create();
CkHttpRequest_putHttpVerb(req,'POST');
CkHttpRequest_putPath(req,'/_api/web/GetFileByServerRelativeUrl(''/Documents/penguins2.jpg'')');

//  We need to add a form digest value in the X-RequestDigest header field.
//  See this example for details on
//  how to get (and cache) a form digest value
CkHttpRequest_AddHeader(req,'X-RequestDigest','SHAREPOINT_FORM_DIGEST');

//  Add additional required headers.
CkHttpRequest_AddHeader(req,'IF-MATCH','*');
CkHttpRequest_AddHeader(req,'X-HTTP-Method','DELETE');

//  Send the POST using https (TLS). Port 443 is the default port for https.
bUseTls := True;
resp := CkHttp_SynchronousRequest(http,'SHAREPOINT_HTTPS_DOMAIN',443,bUseTls,req);
if (CkHttp_getLastMethodSuccess(http) <> True) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

//  If failed, the response body contains XML
xml := CkXml_Create();
CkXml_LoadXml(xml,CkHttpResponse__bodyStr(resp));

if (CkHttpResponse_getStatusCode(resp) <> 200) then
  begin
    Memo1.Lines.Add('Response status code = ' + IntToStr(CkHttpResponse_getStatusCode(resp)));
    Memo1.Lines.Add(CkXml__getXml(xml));

    //  For example, if the file did not exist, this would be the XML response:
    //  <?xml version="1.0" encoding="utf-8" ?>
    //  <m:error xmlns:m="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata">
    //      <m:code>-2146232832, Microsoft.SharePoint.SPException</m:code>
    //      <m:message xml:lang="en-US">The file /Documents/penguins2.jpg does not exist.</m:message>
    //  </m:error>
    // 

    Memo1.Lines.Add('Failed');
    CkHttpResponse_Dispose(resp);
    Exit;
  end;

CkHttpResponse_Dispose(resp);

//  If successful, the response body is empty.
Memo1.Lines.Add('Success.');

CkHttp_Dispose(http);
CkHttpRequest_Dispose(req);
CkXml_Dispose(xml);

end;