Unicode C++

SharePoint -- Update the Contents of a File (PUT)

Demonstrates how to update the contents of a SharePoint file. Unicode C++

#include <CkHttpW.h>
#include <CkHttpRequestW.h>
#include <CkHttpResponseW.h>
#include <CkJsonObjectW.h>

void ChilkatSample(void)
    {
    bool success = false;

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

    CkHttpW http;

    //  If SharePoint Windows classic authentication is used, then set the 
    //  Login, Password, LoginDomain, and NtlmAuth properties.
    http.put_Login(L"SHAREPOINT_USERNAME");
    http.put_Password(L"SHAREPOINT_PASSWORD");
    http.put_LoginDomain(L"SHAREPOINT_NTLM_DOMAIN");
    http.put_NtlmAuth(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

    //  Indicate that we want a JSON reply
    http.put_Accept(L"application/json;odata=verbose");

    //  Update /Documents/ChilkatTest/sample.docx with new content...
    CkHttpRequestW req;
    req.put_HttpVerb(L"POST");
    req.put_Path(L"/_api/web/GetFileByServerRelativeUrl('/Documents/ChilkatTest/sample.docx')/$value");
    //  Give the location of the file to be uploaded.  
    //  Note: The file is not loaded into memory at this point.  It is never fully loaded
    //  into memory.  Instead, the file data is streamed directly from the file when
    //  when the upload occurs.
    req.StreamBodyFromFile(L"qa_data/msword/sample.docx");

    //  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
    req.AddHeader(L"X-RequestDigest",L"SHAREPOINT_FORM_DIGEST");

    //  Also need to add this header..
    req.AddHeader(L"X-HTTP-Method",L"PUT");

    //  Upload..
    bool bUseTls = true;
    CkHttpResponseW resp;
    success = http.HttpSReq(L"SHAREPOINT_HTTPS_DOMAIN",443,bUseTls,req,resp);
    if (success == false) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

    //  A successful update will return a 204 status code with an empty body.
    //  A non-successful update will return a JSON response body..
    if (resp.get_StatusCode() != 204) {
        wprintf(L"Response status code = %d\n",resp.get_StatusCode());
        CkJsonObjectW json;
        json.Load(resp.bodyStr());
        json.put_EmitCompact(false);
        wprintf(L"%s\n",json.emit());
        wprintf(L"Failed\n");
        return;
    }

    wprintf(L"Success.\n");
    }