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

Demonstrates how to update the contents of a SharePoint file.

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

loHttp = createobject("CkHttp")

//  If SharePoint Windows classic authentication is used, then set the
//  Login, Password, LoginDomain, and NtlmAuth properties.
loHttp.Login = "SHAREPOINT_USERNAME"
loHttp.Password = "SHAREPOINT_PASSWORD"
loHttp.LoginDomain = "SHAREPOINT_NTLM_DOMAIN"
loHttp.NtlmAuth = .T.

//  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
loHttp.Accept = "application/json;odata=verbose"

//  Update /Documents/ChilkatTest/sample.docx with new content...
loReq = createobject("CkHttpRequest")
loReq.HttpVerb = "POST"
loReq.Path = "/_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.
loReq.StreamBodyFromFile("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
loReq.AddHeader("X-RequestDigest","SHAREPOINT_FORM_DIGEST")

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

//  Upload..
llBUseTls = .T.
loResp = loHttp.SynchronousRequest("SHAREPOINT_HTTPS_DOMAIN",443,llBUseTls,loReq)
if (loHttp.LastMethodSuccess <> .T.) then
    ? loHttp.LastErrorText
    release loHttp
    release loReq
    return
endif

//  A successful update will return a 204 status code with an empty body.
//  A non-successful update will return a JSON response body..
if (loResp.StatusCode <> 204) then
    ? "Response status code = " + str(loResp.StatusCode)
    loJson = createobject("CkJsonObject")
    loJson.Load(loResp.BodyStr)
    loJson.EmitCompact = .F.
    ? loJson.Emit()
    ? "Failed"
    release loResp
    release loHttp
    release loReq
    release loJson
    return
endif

release loResp

? "Success."


release loHttp
release loReq
release loJson