public async Task <bool> BlazorAppRessources()
{
try
{
//This is a request validation mecanism for the missing behavior of Navigating event when
//navigating through an iframe. We must ensure that this behavior is concistent on each
//platforms.
string webextensionId = this.Request.Headers.Get("BlazorMobile-Validator");
if (!string.IsNullOrEmpty(webextensionId))
{
return(await ValidateRequestAndroid(webextensionId));
}
else if (this.Request.Url.AbsolutePath.Equals(MetadataConsts.ElectronBlazorMobileRequestValidationPath, StringComparison.OrdinalIgnoreCase))
{
return(await ValidateRequestElectronWASM());
}
else
{
//Standard behavior, serving Blazor app files and content
IWebResponse response = new EmbedIOWebResponse(this.Request, this.Response);
await WebApplicationFactory.ManageRequest(response);
return(true);
}
}
catch (Exception ex)
{
return(this.JsonExceptionResponse(ex));
}
}
public async Task <bool> BlazorAppRessources()
{
try
{
//This is a request validation mecanism for the missing behavior of Navigating event when
//navigating through an iframe. We must ensure that this behavior is concistent on each
//platforms.
string webextensionId = this.Request.Headers.Get("BlazorMobile-Validator");
if (!string.IsNullOrEmpty(webextensionId))
{
return(await ValidateRequest(webextensionId));
}
else
{
//Standard behavior, serving Blazor app files and content
IWebResponse response = new EmbedIOWebResponse(this.Request, this.Response);
await WebApplicationFactory.ManageRequest(response);
return(true);
}
}
catch (Exception ex)
{
return(this.JsonExceptionResponse(ex));
}
}
private async Task <bool> ValidateRequestElectronWASM()
{
string uri = this.Request.QueryString.Get("uri");
string referrer = this.Request.QueryString.Get("referrer");
IWebResponse response = new EmbedIOWebResponse(this.Request, this.Response);
response.SetEncoding("UTF-8");
response.AddResponseHeader("Cache-Control", "no-cache");
response.SetReasonPhrase("OK");
response.SetMimeType("text/plain");
if (!string.IsNullOrEmpty(uri) && !string.IsNullOrEmpty(referrer))
{
var args = new WebNavigatingEventArgs(
WebNavigationEvent.NewPage,
new UrlWebViewSource()
{
Url = referrer
},
uri);
//This is not entirely true as we would only compare the current BlazorWebview
//but it must be only one executed btw
foreach (var webIdentity in WebViewHelper.GetAllWebViewIdentities())
{
var webview = webIdentity as IBlazorWebView;
webview.SendNavigating(args);
if (args.Cancel)
{
break;
}
}
if (args.Cancel)
{
response.SetStatutCode(401);
}
else
{
response.SetStatutCode(200);
}
}
else
{
response.SetStatutCode(200);
}
await response.SetDataAsync(new MemoryStream(Encoding.UTF8.GetBytes("OK")));
return(true);
}
private async Task <bool> ValidateRequestAndroid(string webextensionId)
{
string cancel = "false";
if (int.TryParse(webextensionId, out int runtimeId))
{
var webview = WebViewHelper.GetWebViewByRuntimeIdentity(runtimeId);
if (webview != null)
{
string uri = this.Request.QueryString.Get("uri");
string referrer = this.Request.QueryString.Get("referrer");
if (ShouldExcludeFromNavigatingEvent(uri, out bool shouldCancel))
{
if (shouldCancel)
{
cancel = "true";
}
}
else
{
var args = new WebNavigatingEventArgs(
WebNavigationEvent.NewPage,
new UrlWebViewSource()
{
Url = referrer
},
uri);
webview.SendNavigating(args);
if (args.Cancel)
{
cancel = "true";
}
}
}
}
IWebResponse response = new EmbedIOWebResponse(this.Request, this.Response);
response.SetEncoding("UTF-8");
response.AddResponseHeader("Cache-Control", "no-cache");
response.SetStatutCode(200);
response.SetReasonPhrase("OK");
response.SetMimeType("text/plain");
await response.SetDataAsync(new MemoryStream(Encoding.UTF8.GetBytes(cancel)));
return(true);
}
public async Task <bool> BlazorAppRessources()
{
try
{
IWebResponse response = new EmbedIOWebResponse(this.Request, this.Response);
await WebApplicationFactory.ManageRequest(response);
return(true);
}
catch (Exception ex)
{
return(this.JsonExceptionResponse(ex));
}
}
