public OnProcessRequestEventArgs(string _id, CefRequest _request, CefCallback _callback)
{
id = _id;
request = _request;
callback = _callback;
continueRequest = false; //do not continue by default
}
private int process_request(cef_resource_handler_t *self, cef_request_t *request, cef_callback_t *callback)
{
CheckSelf(self);
var m_request = CefRequest.FromNative(request);
var m_callback = CefCallback.FromNative(callback);
var result = ProcessRequest(m_request, m_callback);
return(result ? 1 : 0);
}
private void on_web_socket_request(cef_server_handler_t *self, cef_server_t *server, int connection_id, cef_string_t *client_address, cef_request_t *request, cef_callback_t *callback)
{
CheckSelf(self);
var mServer = CefServer.FromNative(server);
var mClientAddress = cef_string_t.ToString(client_address);
var mRequest = CefRequest.FromNative(request);
var mCallback = CefCallback.FromNative(callback);
OnWebSocketRequest(mServer, connection_id, mClientAddress, mRequest, mCallback);
}
private int on_quota_request(cef_request_handler_t *self, cef_browser_t *browser, cef_string_t *origin_url, long new_size, cef_callback_t *callback)
{
CheckSelf(self);
var m_browser = CefBrowser.FromNative(browser);
var m_origin_url = cef_string_t.ToString(origin_url);
var m_callback = CefCallback.FromNative(callback);
var result = OnQuotaRequest(m_browser, m_origin_url, new_size, m_callback);
return(result ? 1 : 0);
}
private int process_request(cef_resource_handler_t *self, cef_request_t *request, cef_callback_t *callback)
{
CheckSelf(self);
var m_request = CefRequest.FromNative(request);
var m_callback = CefCallback.FromNative(callback);
#pragma warning disable CS0618 // Type or member is obsolete
var result = ProcessRequest(m_request, m_callback);
#pragma warning restore CS0618 // Type or member is obsolete
return(result ? 1 : 0);
}
private int on_certificate_error(cef_request_handler_t *self, cef_browser_t *browser, CefErrorCode cert_error, cef_string_t *request_url, cef_sslinfo_t *ssl_info, cef_callback_t *callback)
{
CheckSelf(self);
var m_browser = CefBrowser.FromNative(browser);
var m_request_url = cef_string_t.ToString(request_url);
var m_ssl_info = CefSslInfo.FromNative(ssl_info);
var m_callback = CefCallback.FromNativeOrNull(callback);
var result = OnCertificateError(m_browser, cert_error, m_request_url, m_ssl_info, m_callback);
return(result ? 1 : 0);
}
private int open(cef_resource_handler_t *self, cef_request_t *request, int *handle_request, cef_callback_t *callback)
{
CheckSelf(self);
var m_request = CefRequest.FromNative(request);
var m_callback = CefCallback.FromNative(callback);
var m_result = Open(m_request, out var m_handleRequest, m_callback);
*handle_request = m_handleRequest ? 1 : 0;
return(m_result ? 1 : 0);
}
private int process_request(cef_resource_handler_t *self, cef_request_t *request, cef_callback_t *callback)
{
CheckSelf(self);
var m_request = CefRequest.FromNative(request);
var m_callback = CefCallback.FromNative(callback);
//////string url = m_request.Url;
//////Debug.WriteLine(url);
var result = ProcessRequest(m_request, m_callback);
return(result ? 1 : 0);
}
private int read_response(cef_resource_handler_t *self, void *data_out, int bytes_to_read, int *bytes_read, cef_callback_t *callback)
{
CheckSelf(self);
var m_callback = CefCallback.FromNative(callback);
using (var m_stream = new UnmanagedMemoryStream((byte *)data_out, bytes_to_read, bytes_to_read, FileAccess.Write))
{
int m_bytesRead;
var result = ReadResponse(m_stream, bytes_to_read, out m_bytesRead, m_callback);
* bytes_read = m_bytesRead;
return(result ? 1 : 0);
}
}
private int read_response(cef_resource_handler_t *self, void *data_out, int bytes_to_read, int *bytes_read, cef_callback_t *callback)
{
CheckSelf(self);
var m_callback = CefCallback.FromNative(callback);
using (var m_stream = new UnmanagedMemoryStream((byte *)data_out, bytes_to_read, bytes_to_read, FileAccess.Write))
{
int m_bytesRead;
#pragma warning disable CS0618 // Type or member is obsolete
var result = ReadResponse(m_stream, bytes_to_read, out m_bytesRead, m_callback);
#pragma warning restore CS0618 // Type or member is obsolete
*bytes_read = m_bytesRead;
return(result ? 1 : 0);
}
}
private CefReturnValue on_before_resource_load(cef_resource_request_handler_t *self, cef_browser_t *browser, cef_frame_t *frame, cef_request_t *request, cef_callback_t *callback)
{
CheckSelf(self);
var m_browser = CefBrowser.FromNativeOrNull(browser);
var m_frame = CefFrame.FromNativeOrNull(frame);
var m_request = CefRequest.FromNative(request);
var m_callback = CefCallback.FromNative(callback);
var result = OnBeforeResourceLoad(m_browser, m_frame, m_request, m_callback);
if (result != CefReturnValue.ContinueAsync)
{
m_browser.Dispose();
m_frame.Dispose();
m_request.Dispose();
m_callback.Dispose();
}
return(result);
}
protected override bool ProcessRequest(CefRequest request, CefCallback callback)
{
if (request == null || callback == null)
{
return false;
}
try
{
uri = new Uri(request.Url);
}
catch (Exception)
{
API.Instance.Log("AssetSchemeHandler::ProcessRequest: Unable to parse path {0}", request.Url);
return false;
}
Uri relativeUrl = new Uri(config.BrowserSourceSettings.Url);
if (relativeUrl.LocalPath.Length == 1)
{
API.Instance.Log("AssetSchemeHandler::ProcessRequest: Invalid url (this shouldn't happen) {0}", relativeUrl);
return false;
}
string relativePath = relativeUrl.LocalPath.Substring(1);
string filename;
try
{
filename = Path.GetFileName(relativePath);
relativePath = Path.GetDirectoryName(relativePath);
}
catch (ArgumentException)
{
API.Instance.Log("AssetSchemeHandler::ProcessRequest: Unable to create absolute path from {0} and {1}", relativeUrl.LocalPath, uri.LocalPath);
return false;
}
if (uri.LocalPath.Length == 1)
{
isAssetWrapping = true;
string extension = Path.GetExtension(filename);
if (extension.Length > 1 && extension.StartsWith("."))
{
extension = extension.Substring(1);
}
string wrappedAssetMimeType;
if (!MimeTypeManager.MimeTypes.TryGetValue(extension, out wrappedAssetMimeType))
{
wrappedAssetMimeType = "text/html";
}
string resolvedTemplate = config.BrowserSourceSettings.Template;
resolvedTemplate = resolvedTemplate.Replace("$(FILE)", filename);
resolvedTemplate = resolvedTemplate.Replace("$(WIDTH)", config.BrowserSourceSettings.Width.ToString());
resolvedTemplate = resolvedTemplate.Replace("$(HEIGHT)", config.BrowserSourceSettings.Height.ToString());
resolvedTemplate = resolvedTemplate.Replace("$(MIMETYPE)", wrappedAssetMimeType);
inputStream = new MemoryStream(Encoding.UTF8.GetBytes(resolvedTemplate));
}
else
{
isAssetWrapping = false;
if (uri.LocalPath != null && uri.LocalPath.Length > 1)
{
resolvedPath = uri.LocalPath.Substring(1);
}
else
{
API.Instance.Log("AssetSchemeHandler::ProcessRequest: Unable to parse path {0}", request.Url);
return false;
}
bool isIgnoringIntercept = uri.Query != null && uri.Query.Length != 0;
// if there is a query param, it should ignore interception
if (!isIgnoringIntercept && config.BrowserSourceSettings.IsApplyingTemplate)
{
resolvedPath = Path.Combine(relativePath, resolvedPath);
}
API.Instance.Log("AssetSchemeHandler::ProcessRequest handling file {0}", resolvedPath);
try
{
inputStream = new FileStream(resolvedPath, FileMode.Open, FileAccess.Read, FileShare.Read);
}
catch (Exception e)
{
if (inputStream != null)
{
inputStream.Dispose();
inputStream = null;
}
API.Instance.Log("AssetSchemeHandler::ProcessRequest of file {0} failed; {1}", resolvedPath, e.Message);
callback.Cancel();
return false;
}
}
length = remaining = inputStream.Length;
callback.Continue();
return true;
}
protected override bool ReadResponse(Stream response, int bytesToRead, out int bytesRead, CefCallback callback)
{
if (response == null || inputStream == null)
{
if (inputStream != null)
{
inputStream.Dispose();
inputStream = null;
}
bytesRead = 0;
return false;
}
try
{
if (isComplete)
{
bytesRead = 0;
return false;
}
bytesRead = StreamUtils.CopyStream(inputStream, response, bytesToRead);
remaining -= bytesRead;
if (remaining == 0)
{
isComplete = true;
inputStream.Dispose();
inputStream = null;
}
return true;
}
catch (Exception e)
{
API.Instance.Log("AssetSchemeHandler::ReadResponse of file {0} failed; {1}", isAssetWrapping ? "{wrapped asset}" : resolvedPath, e.Message);
if (inputStream != null)
{
inputStream.Dispose();
inputStream = null;
}
bytesRead = 0;
callback.Cancel();
return false;
}
}
protected override bool ProcessRequest(CefRequest request, CefCallback callback)
{
if (request == null || callback == null)
{
return false;
}
try
{
uri = new Uri(request.Url);
}
catch (Exception e)
{
API.Instance.Log("AssetSchemeHandler::ProcessRequest: Unable to parse path {0}", request.Url);
return false;
}
if (uri.LocalPath.Length == 1)
{
isAssetWrapping = true;
String resolvedTemplate = config.BrowserSourceSettings.Template;
resolvedTemplate = resolvedTemplate.Replace("$(FILE)", config.BrowserSourceSettings.Url);
resolvedTemplate = resolvedTemplate.Replace("$(WIDTH)", config.BrowserSourceSettings.Width.ToString());
resolvedTemplate = resolvedTemplate.Replace("$(HEIGHT)", config.BrowserSourceSettings.Height.ToString());
inputStream = new MemoryStream(Encoding.UTF8.GetBytes(resolvedTemplate));
}
else
{
isAssetWrapping = false;
if (uri.LocalPath != null && uri.LocalPath.Length > 1)
{
resolvedPath = uri.LocalPath.Substring(1);
}
else
{
API.Instance.Log("AssetSchemeHandler::ProcessRequest: Unable to parse path {0}", request.Url);
return false;
}
try
{
inputStream = new FileStream(resolvedPath, FileMode.Open, FileAccess.Read, FileShare.Read);
}
catch (Exception e)
{
if (inputStream != null)
{
inputStream.Dispose();
inputStream = null;
}
API.Instance.Log("AssetSchemeHandler::ProcessRequest of file {0} failed; {1}", resolvedPath, e.Message);
callback.Cancel();
return false;
}
}
length = remaining = inputStream.Length;
callback.Continue();
return true;
}
/// <summary>
/// Called on the IO thread when JavaScript requests a specific storage quota
/// size via the webkitStorageInfo.requestQuota function. |origin_url| is the
/// origin of the page making the request. |new_size| is the requested quota
/// size in bytes. Return true to continue the request and call CefCallback
/// methods either in this method or at a later time to grant or deny the
/// request. Return false to cancel the request immediately.
/// </summary>
protected virtual bool OnQuotaRequest(CefBrowser browser, string originUrl, long newSize, CefCallback callback)
{
return(false);
}
protected virtual bool ReadResponse(Stream response, int bytesToRead, out int bytesRead, CefCallback callback)
{
bytesRead = 0;
return(false);
}
/// <summary>
/// Called on the UI thread to handle requests for URLs with an invalid
/// SSL certificate. Return true and call CefCallback methods either in this
/// method or at a later time to continue or cancel the request. Return false
/// to cancel the request immediately. If CefSettings.ignore_certificate_errors
/// is set all invalid certificates will be accepted without calling this
/// method.
/// </summary>
protected virtual bool OnCertificateError(CefBrowser browser, CefErrorCode certError, string requestUrl, CefSslInfo sslInfo, CefCallback callback)
{
return(false);
}
protected virtual bool ProcessRequest(CefRequest request, CefCallback callback)
{
request.Dispose();
callback.Dispose();
return(false);
}
/// <summary> /// Open the response stream. To handle the request immediately set /// |handle_request| to true and return true. To decide at a later time set /// |handle_request| to false, return true, and execute |callback| to continue /// or cancel the request. To cancel the request immediately set /// |handle_request| to true and return false. This method will be called in /// sequence but not from a dedicated thread. For backwards compatibility set /// |handle_request| to false and return false and the ProcessRequest method /// will be called. /// </summary> protected abstract bool Open(CefRequest request, out bool handleRequest, CefCallback callback);
/// <summary>
/// Called on the IO thread before a resource request is loaded. The |browser|
/// and |frame| values represent the source of the request, and may be NULL for
/// requests originating from service workers or CefURLRequest. To redirect or
/// change the resource load optionally modify |request|. Modification of the
/// request URL will be treated as a redirect. Return RV_CONTINUE to continue
/// the request immediately. Return RV_CONTINUE_ASYNC and call CefCallback
/// methods at a later time to continue or cancel the request asynchronously.
/// Return RV_CANCEL to cancel the request immediately.
/// </summary>
protected virtual CefReturnValue OnBeforeResourceLoad(CefBrowser browser, CefFrame frame, CefRequest request, CefCallback callback)
{
return(CefReturnValue.Continue);
}
/// <summary> /// Begin processing the request. To handle the request return true and call /// CefCallback::Continue() once the response header information is available /// (CefCallback::Continue() 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, CefCallback callback);
/// <summary> /// Begin processing the request. To handle the request return true and call /// CefCallback::Continue() once the response header information is available /// (CefCallback::Continue() 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, CefCallback callback);
/// <summary> /// Called when |server| receives a WebSocket request. |connection_id| uniquely /// identifies the connection, |client_address| is the requesting IPv4 or /// IPv6 client address including port number, and |request| contains the /// request contents (URL, method, headers and optional POST data). Execute /// |callback| either synchronously or asynchronously to accept or decline the /// WebSocket connection. If the request is accepted then OnWebSocketConnected /// will be called after the WebSocket has connected and incoming messages will /// be delivered to the OnWebSocketMessage callback. If the request is declined /// then the client will be disconnected and OnClientDisconnected will be /// called. Call the CefServer::SendWebSocketMessage method after receiving the /// OnWebSocketConnected callback to respond with WebSocket messages. /// </summary> protected abstract void OnWebSocketRequest(CefServer server, int connectionId, string clientAddress, CefRequest request, CefCallback 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 CefCallback::Continue() when the /// data is available. To indicate response completion return false. /// </summary> protected abstract bool ReadResponse(Stream response, int bytesToRead, out int bytesRead, CefCallback callback);
protected override bool ProcessRequest(CefRequest request, CefCallback callback)
{
Debug.WriteLine(DBGPREFIX + "ProcessRequest for id: " + id);
var handler = OnProcessRequestEvent;
if (handler != null)
{
var e = new OnProcessRequestEventArgs(id, request, callback);
handler(null, e);
Debug.WriteLine(DBGPREFIX + "ProcessRequest for id: " + id + (e.continueRequest ? " will continue processing" : " will be cancelled") );
return e.continueRequest;
}
return false;
}
/// <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 CefCallback::Continue() when the /// data is available. To indicate response completion return false. /// </summary> protected abstract bool ReadResponse(Stream response, int bytesToRead, out int bytesRead, CefCallback callback);
protected override bool ReadResponse(System.IO.Stream response, int bytesToRead, out int bytesRead, CefCallback callback)
{
throw new NotImplementedException();
}
