(Unicode C) SharePoint -- Delete a File

Demonstrates how to delete a SharePoint file.

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#include <C_CkHttpW.h>
#include <C_CkHttpRequestW.h>
#include <C_CkHttpResponseW.h>
#include <C_CkXmlW.h>

void ChilkatSample(void)
    {
    HCkHttpW http;
    HCkHttpRequestW req;
    BOOL bUseTls;
    HCkHttpResponseW resp;
    HCkXmlW xml;

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

    http = CkHttpW_Create();

    //  If SharePoint Windows classic authentication is used, then set the
    //  Login, Password, LoginDomain, and NtlmAuth properties.
    CkHttpW_putLogin(http,L"SHAREPOINT_USERNAME");
    CkHttpW_putPassword(http,L"SHAREPOINT_PASSWORD");
    CkHttpW_putLoginDomain(http,L"SHAREPOINT_NTLM_DOMAIN");
    CkHttpW_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 = CkHttpRequestW_Create();
    CkHttpRequestW_putHttpVerb(req,L"POST");
    CkHttpRequestW_putPath(req,L"/_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
    CkHttpRequestW_AddHeader(req,L"X-RequestDigest",L"SHAREPOINT_FORM_DIGEST");

    //  Add additional required headers.
    CkHttpRequestW_AddHeader(req,L"IF-MATCH",L"*");
    CkHttpRequestW_AddHeader(req,L"X-HTTP-Method",L"DELETE");

    //  Send the POST using https (TLS). Port 443 is the default port for https.
    bUseTls = TRUE;
    resp = CkHttpW_SynchronousRequest(http,L"SHAREPOINT_HTTPS_DOMAIN",443,bUseTls,req);
    if (CkHttpW_getLastMethodSuccess(http) != TRUE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkHttpW_Dispose(http);
        CkHttpRequestW_Dispose(req);
        return;
    }

    //  If failed, the response body contains XML
    xml = CkXmlW_Create();
    CkXmlW_LoadXml(xml,CkHttpResponseW_bodyStr(resp));

    if (CkHttpResponseW_getStatusCode(resp) != 200) {
        wprintf(L"Response status code = %d\n",CkHttpResponseW_getStatusCode(resp));
        wprintf(L"%s\n",CkXmlW_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>
        // 

        wprintf(L"Failed\n");
        CkHttpResponseW_Dispose(resp);
        CkHttpW_Dispose(http);
        CkHttpRequestW_Dispose(req);
        CkXmlW_Dispose(xml);
        return;
    }

    CkHttpResponseW_Dispose(resp);

    //  If successful, the response body is empty.
    wprintf(L"Success.\n");


    CkHttpW_Dispose(http);
    CkHttpRequestW_Dispose(req);
    CkXmlW_Dispose(xml);

    }