Authenticating to a proxy

Aspose.Words Product Family
1

Hi,

I’m having a problem with images when exporting HTML to Word. Images are stored in a Sharepoint library but due to credentials, the images don’t appear in the document.

I’ve seen this was a known bug in the past and has already been fixed in newer releases:

WORDSNET-927 Add the possibility of authenticate to a proxy before opening the Word document.

However I can’t find an example on how to authenticate to the proxy properly. Can you provide any code snippet on how to achieve this?

Thanks!

2

Hi Annie,

Thanks for your inquiry. Sure, you can authenticate to a proxy to download images by using the following code snippet:

ImageLoadingWithCredentialsHandler imageLoadingWithCredentialsHandler = new ImageLoadingWithCredentialsHandler();
Aspose.Words.LoadOptions loadOption = new Aspose.Words.LoadOptions();
loadOption.ResourceLoadingCallback = imageLoadingWithCredentialsHandler;
Document doc = new Document(@"C:\Temp\in.docx", loadOption);

public class ImageLoadingWithCredentialsHandler: IResourceLoadingCallback
{
    public ImageLoadingWithCredentialsHandler()
    {
        mWebClient = new WebClient();
    }
    public ResourceLoadingAction ResourceLoading(ResourceLoadingArgs args)
    {
        if (args.ResourceType == ResourceType.Image)
        {
            Uri uri = new Uri(args.Uri);
            if (uri.Host == "www.aspose.com")
                mWebClient.Credentials = new NetworkCredential("User1", "akjdlsfkjs");
            else
                mWebClient.Credentials = new NetworkCredential("SomeOtherUserID", "wiurlnlvs");
            // Download the bytes from the location referenced by the URI.
            byte[] imageBytes = mWebClient.DownloadData(args.Uri);
            args.SetData(imageBytes);
            return ResourceLoadingAction.UserProvided;
        }
        else
        {
            return ResourceLoadingAction.Default;
        }
    }
    private WebClient mWebClient;
}

I hope, this helps.

Best regards,