protected override bool ProcessRequest(CefRequest request, CefSchemeHandlerCallback callback)
{
var urlString = request.GetURL();
string errorMessage = null;
int errorStatus = 0;
string errorStatusText = null;
try
{
var uri = new Uri(urlString);
var path = uri.Host + uri.AbsolutePath; // ignore host
var asm = typeof(ClientSchemeHandler).Assembly;
var resPrefix = "CefGlue.Client.Resources.";
// convert path to resource name
var parts = path.Split('/');
for (var i = 0; i < parts.Length-1; i++)
{
var filename = Path.GetFileNameWithoutExtension(parts[i]);
var extension = Path.GetExtension(parts[i]);
parts[i] = filename.Replace(".", "._").Replace('-', '_') + extension;
}
var resName = resPrefix + string.Join(".", parts);
this.stream = asm.GetManifestResourceStream(resName);
if (this.stream != null)
{
// found
this.responseLength = -1;
this.status = 200;
this.statusText = "OK";
this.mimeType = GetMimeTypeFromUriSuffix(path);
callback.HeadersAvailable();
return true;
}
}
catch (Exception ex)
{
errorStatus = 500;
errorStatusText = "Internal Error";
errorMessage = "<!doctype html><html><body><h1>Internal Error!</h1><pre>" + ex.ToString() + "</pre></body></html>";
}
// not found or error while processing request
errorMessage = errorMessage ?? "<!doctype html><html><body><h1>Not Found!</h1><p>The requested url [" + urlString + "] not found!</p></body></html>";
var bytes = Encoding.UTF8.GetBytes(errorMessage);
this.stream = new MemoryStream(bytes, false);
this.responseLength = -1;
this.status = errorStatus != 0 ? errorStatus : 404;
this.statusText = errorStatusText ?? "Not Found";
this.mimeType = "text/html";
callback.HeadersAvailable();
return true;
}
/// <summary>
/// Begin processing the request. To handle the request return true and
/// call HeadersAvailable() once the response header information is
/// available (HeadersAvailable() can also be called from inside this
/// method if header information is available immediately). To cancel the request return false.
/// </summary>
private int process_request(cef_scheme_handler_t *self, cef_request_t *request, cef_scheme_handler_callback_t *callback)
{
ThrowIfObjectDisposed();
var mRequest = CefRequest.From(request);
var mCallback = CefSchemeHandlerCallback.From(callback);
var handled = this.ProcessRequest(mRequest, mCallback);
return(handled ? 1 : 0);
}
/// <summary>
/// Read response data. If data is available immediately copy up to
/// |bytes_to_read| bytes into |data_out|, set |bytes_read| to the number
/// of bytes copied, and return true. To read the data at a later time
/// set |bytes_read| to 0, return true and call BytesAvailable() when the
/// data is available. To indicate response completion return false.
/// </summary>
private int read_response(cef_scheme_handler_t *self, void *data_out, int bytes_to_read, int *bytes_read, cef_scheme_handler_callback_t *callback)
{
ThrowIfObjectDisposed();
var mCallback = CefSchemeHandlerCallback.From(callback);
using (var mStream = new UnmanagedMemoryStream((byte *)data_out, bytes_to_read, bytes_to_read, FileAccess.Write))
{
int mBytesRead;
var handled = this.ReadResponse(mStream, bytes_to_read, out mBytesRead, mCallback);
* bytes_read = mBytesRead;
return(handled ? 1 : 0);
}
}
/// <summary> /// Begin processing the request. /// /// To handle the request return true and call HeadersAvailable() once the response header information is /// available (HeadersAvailable() can also be called from inside this /// method if header information is available immediately). /// /// To cancel the request return false. /// </summary> protected abstract bool ProcessRequest(CefRequest request, CefSchemeHandlerCallback callback);
/// <summary> /// Read response data. /// If data is available immediately copy up to |bytes_to_read| bytes into |data_out|, set |bytes_read| to the number /// of bytes copied, and return true. /// /// To read the data at a later time set |bytes_read| to 0, return true and call BytesAvailable() when the /// data is available. /// /// To indicate response completion return false. /// </summary> protected abstract bool ReadResponse(Stream stream, int bytesToRead, out int bytesRead, CefSchemeHandlerCallback callback);
/// <summary> /// Read response data. /// If data is available immediately copy up to |bytes_to_read| bytes into |data_out|, set |bytes_read| to the number /// of bytes copied, and return true. /// /// To read the data at a later time set |bytes_read| to 0, return true and call BytesAvailable() when the /// data is available. /// /// To indicate response completion return false. /// </summary> protected abstract bool ReadResponse(Stream stream, int bytesToRead, out int bytesRead, CefSchemeHandlerCallback callback);
/// <summary> /// Begin processing the request. /// /// To handle the request return true and call HeadersAvailable() once the response header information is /// available (HeadersAvailable() can also be called from inside this /// method if header information is available immediately). /// /// To cancel the request return false. /// </summary> protected abstract bool ProcessRequest(CefRequest request, CefSchemeHandlerCallback callback);
protected override bool ReadResponse(Stream stream, int bytesToRead, out int bytesRead, CefSchemeHandlerCallback callback)
{
byte[] buffer = new byte[bytesToRead];
var readed = this.stream.Read(buffer, 0, buffer.Length);
if (readed > 0)
{
stream.Write(buffer, 0, readed);
bytesRead = readed;
return true;
}
else
{
this.Close();
bytesRead = 0;
return false;
}
}
