public void StartUrlSchemeTask(WKWebView webView, IWKUrlSchemeTask urlSchemeTask)
{
try
{
var urlToFetch = urlSchemeTask.Request.Url.ToString();
if (!urlToFetch.Contains("favicon"))
{
var safeResponse = AsyncContext.Run(() => WebFetchService.FetchResourceAsync(urlToFetch));
var stream = new MemoryStream(safeResponse.Data);
var response = new NSUrlResponse(urlSchemeTask.Request.Url, safeResponse.MimeType, (nint)stream.Length, null);
var currentWebView = webView as HybridWebViewRenderer;
currentWebView.SetCurrentPageVersion(safeResponse.CurrentNrsVersion);
currentWebView.SetLatestPageVersion(safeResponse.LatestNrsVersion);
urlSchemeTask.DidReceiveResponse(response);
urlSchemeTask.DidReceiveData(NSData.FromStream(stream));
urlSchemeTask.DidFinish();
}
}
catch (Exception ex)
{
Logger.Error(ex);
if (ex.InnerException != null)
{
var stream = new MemoryStream();
var response = new NSUrlResponse(urlSchemeTask.Request.Url, "text/html", 0, null);
urlSchemeTask.DidReceiveResponse(response);
urlSchemeTask.DidReceiveData(NSData.FromStream(stream));
urlSchemeTask.DidFinish();
}
}
}
public override WebResourceResponse ShouldInterceptRequest(WebView view, IWebResourceRequest request)
{
try
{
Logger.Info($"Requested Url: {request.Url.ToString()}");
var urlToFetch = request.Url.ToString().Replace(Constants.BufferText, string.Empty);
var isHttpRequest = request.Url.Scheme == "https";
if (isHttpRequest && !urlToFetch.Contains("favicon"))
{
var requestHeaders = request.RequestHeaders;
if (requestHeaders.ContainsKey("Range"))
{
var options = new WebFetchOptions
{
Range = RequestHelpers.RangeStringToArray(requestHeaders["Range"])
};
var task = WebFetchService.FetchResourceAsync(urlToFetch, options);
var safeResponse = task.WaitAndUnwrapException();
var stream = new MemoryStream(safeResponse.Data);
var response = new WebResourceResponse(safeResponse.MimeType, "UTF-8", stream);
response.SetStatusCodeAndReasonPhrase(206, "Partial Content");
response.ResponseHeaders = new Dictionary <string, string>
{
{ "Accept-Ranges", "bytes" },
{ "content-type", safeResponse.MimeType },
{ "Content-Range", safeResponse.Headers["Content-Range"] },
{ "Content-Length", safeResponse.Headers["Content-Length"] },
};
return(response);
}
else
{
var safeResponse = WebFetchService.FetchResourceAsync(urlToFetch).Result;
var stream = new MemoryStream(safeResponse.Data);
var response = new WebResourceResponse(safeResponse.MimeType, "UTF-8", stream);
return(response);
}
}
}
catch (Exception ex)
{
Logger.Error(ex);
if (ex.InnerException != null)
{
using (var stream = new MemoryStream())
{
var urlToFetch = request.Url.ToString().Replace(Constants.BufferText, string.Empty);
var mimeType = MimeTypeMap.Singleton.GetMimeTypeFromExtension(urlToFetch) ?? "text/html";
var response = new WebResourceResponse(mimeType, "UTF-8", stream);
response.SetStatusCodeAndReasonPhrase(404, "Not Found");
return(response);
}
}
}
return(base.ShouldInterceptRequest(view, request));
}
private void DownloadMedia()
{
try
{
var task = WebFetchService.FetchResourceAsync(_imageDownloadData);
var webFetchResponse = task.WaitAndUnwrapException();
var bitmap = BitmapFactory.DecodeByteArray(
webFetchResponse.Data,
0,
webFetchResponse.Data.Length);
if (bitmap == null)
{
// work around as some jpg images are encoded incorrectly
FileHelper.SaveImageAtDownloads(webFetchResponse.Data, _fileName);
}
else
{
FileHelper.ExportBitmapAsFile(bitmap, webFetchResponse.MimeType, _fileName);
}
}
catch (Exception ex)
{
Logger.Debug(ex);
throw;
}
}
public void StartUrlSchemeTask(WKWebView webView, IWKUrlSchemeTask urlSchemeTask)
{
try
{
var urlToFetch = urlSchemeTask.Request.Url.ToString();
if (!urlToFetch.Contains("favicon"))
{
var safeResponse = AsyncContext.Run(() => WebFetchService.FetchResourceAsync(urlToFetch));
var stream = new MemoryStream(safeResponse.Data);
var response = new NSUrlResponse(urlSchemeTask.Request.Url, safeResponse.MimeType, (nint)stream.Length, null);
urlSchemeTask.DidReceiveResponse(response);
urlSchemeTask.DidReceiveData(NSData.FromStream(stream));
urlSchemeTask.DidFinish();
}
}
catch (Exception ex)
{
Logger.Error(ex);
if (ex.InnerException != null)
{
var urlToFetch = urlSchemeTask.Request.Url.ToString();
var stream = new MemoryStream();
var mimeType = MimeMapping.MimeUtility.GetMimeMapping(urlToFetch) ?? "text/html";
var response = new NSUrlResponse(urlSchemeTask.Request.Url, mimeType, 0, null);
urlSchemeTask.DidReceiveResponse(response);
urlSchemeTask.DidReceiveData(NSData.FromStream(stream));
urlSchemeTask.DidFinish();
}
}
}
