DataFlex

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

Demonstrates how to update the contents of a SharePoint file. DataFlex

Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoHttp
    Variant vReq
    Handle hoReq
    Boolean iBUseTls
    Variant vResp
    Handle hoResp
    Handle hoJson
    String sTemp1
    Integer iTemp1

    Move False To iSuccess

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

    Get Create (RefClass(cComChilkatHttp)) To hoHttp
    If (Not(IsComObjectCreated(hoHttp))) Begin
        Send CreateComObject of hoHttp
    End

    // If SharePoint Windows classic authentication is used, then set the 
    // Login, Password, LoginDomain, and NtlmAuth properties.
    Set ComLogin Of hoHttp To "SHAREPOINT_USERNAME"
    Set ComPassword Of hoHttp To "SHAREPOINT_PASSWORD"
    Set ComLoginDomain Of hoHttp To "SHAREPOINT_NTLM_DOMAIN"
    Set ComNtlmAuth Of hoHttp To 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
    Set ComAccept Of hoHttp To "application/json;odata=verbose"

    // Update /Documents/ChilkatTest/sample.docx with new content...
    Get Create (RefClass(cComChilkatHttpRequest)) To hoReq
    If (Not(IsComObjectCreated(hoReq))) Begin
        Send CreateComObject of hoReq
    End
    Set ComHttpVerb Of hoReq To "POST"
    Set ComPath Of hoReq To "/_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.
    Get ComStreamBodyFromFile Of hoReq "qa_data/msword/sample.docx" To iSuccess

    // 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
    Send ComAddHeader To hoReq "X-RequestDigest" "SHAREPOINT_FORM_DIGEST"

    // Also need to add this header..
    Send ComAddHeader To hoReq "X-HTTP-Method" "PUT"

    // Upload..
    Move True To iBUseTls
    Get Create (RefClass(cComChilkatHttpResponse)) To hoResp
    If (Not(IsComObjectCreated(hoResp))) Begin
        Send CreateComObject of hoResp
    End
    Get pvComObject of hoReq to vReq
    Get pvComObject of hoResp to vResp
    Get ComHttpSReq Of hoHttp "SHAREPOINT_HTTPS_DOMAIN" 443 iBUseTls vReq vResp To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // A successful update will return a 204 status code with an empty body.
    // A non-successful update will return a JSON response body..
    Get ComStatusCode Of hoResp To iTemp1
    If (iTemp1 <> 204) Begin
        Get ComStatusCode Of hoResp To iTemp1
        Showln "Response status code = " iTemp1
        Get Create (RefClass(cComChilkatJsonObject)) To hoJson
        If (Not(IsComObjectCreated(hoJson))) Begin
            Send CreateComObject of hoJson
        End
        Get ComBodyStr Of hoResp To sTemp1
        Get ComLoad Of hoJson sTemp1 To iSuccess
        Set ComEmitCompact Of hoJson To False
        Get ComEmit Of hoJson To sTemp1
        Showln sTemp1
        Showln "Failed"
        Procedure_Return
    End

    Showln "Success."


End_Procedure