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

Demonstrates how to update the contents of a SharePoint file.

Chilkat C/C++ Library Downloads

MS Visual C/C++

Linux/CentOS/Heroku C/C++

MAC OS X C/C++

C++ Builder

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iOS C/C++

Android C/C++

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Windows Mobile 5.0/Pocket PC 2003

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#include <C_CkHttp.h>
#include <C_CkHttpRequest.h>
#include <C_CkHttpResponse.h>
#include <C_CkJsonObject.h>

void ChilkatSample(void)
    {
    HCkHttp http;
    HCkHttpRequest req;
    BOOL bUseTls;
    HCkHttpResponse resp;
    HCkJsonObject json;

    //  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

    //  Indicate that we want a JSON reply
    CkHttp_putAccept(http,"application/json;odata=verbose");

    //  Update /Documents/ChilkatTest/sample.docx with new content...
    req = CkHttpRequest_Create();
    CkHttpRequest_putHttpVerb(req,"POST");
    CkHttpRequest_putPath(req,"/_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.
    CkHttpRequest_StreamBodyFromFile(req,"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
    CkHttpRequest_AddHeader(req,"X-RequestDigest","SHAREPOINT_FORM_DIGEST");

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

    //  Upload..
    bUseTls = TRUE;
    resp = CkHttp_SynchronousRequest(http,"SHAREPOINT_HTTPS_DOMAIN",443,bUseTls,req);
    if (CkHttp_getLastMethodSuccess(http) != TRUE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkHttpRequest_Dispose(req);
        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 (CkHttpResponse_getStatusCode(resp) != 204) {
        printf("Response status code = %d\n",CkHttpResponse_getStatusCode(resp));
        json = CkJsonObject_Create();
        CkJsonObject_Load(json,CkHttpResponse_bodyStr(resp));
        CkJsonObject_putEmitCompact(json,FALSE);
        printf("%s\n",CkJsonObject_emit(json));
        printf("Failed\n");
        CkHttpResponse_Dispose(resp);
        CkHttp_Dispose(http);
        CkHttpRequest_Dispose(req);
        CkJsonObject_Dispose(json);
        return;
    }

    CkHttpResponse_Dispose(resp);

    printf("Success.\n");


    CkHttp_Dispose(http);
    CkHttpRequest_Dispose(req);
    CkJsonObject_Dispose(json);

    }

 

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