internal static async Task <string> GetPreviewFunctionPreviewImageFile(HttpContext context)
{
string previewUrl = context.Request.Url.ToString().Replace("/FunctionBox?", "/FunctionPreview.ashx?");
var renderingResult = await BrowserRender.RenderUrlAsync(context, previewUrl, RenderingMode);
if (renderingResult == null)
{
return(null);
}
if (renderingResult.Status == RenderingResultStatus.Success)
{
return(renderingResult.FilePath);
}
if (renderingResult.Status >= RenderingResultStatus.Error)
{
string functionTitle = context.Request.QueryString["title"] ?? "null";
Log.LogWarning("FunctionPreview", "Failed to build preview for function '{0}'. Reason: {1}; Output:\r\n{2}",
functionTitle, renderingResult.Status, string.Join(Environment.NewLine, renderingResult.Output));
}
return(null);
}
private void context_AuthorizeRequest(object sender, EventArgs e)
{
var application = (HttpApplication)sender;
HttpContext context = application.Context;
string currentPath = context.Request.Path.ToLowerInvariant();
if (_adminRootPath == null || !currentPath.StartsWith(_adminRootPath))
{
return;
}
if (!_allowC1ConsoleRequests)
{
context.Response.StatusCode = 403;
context.Response.ContentType = "text/html";
string iePadding = new String('!', 512);
context.Response.Write(string.Format(c1ConsoleRequestsNotAllowedHtmlTemplate, iePadding));
context.Response.End();
return;
}
var url = context.Request.Url;
// https check
if (_forceHttps && url.Scheme != "https")
{
if (!AlwaysAllowUnsecured(url.LocalPath) && !UserOptedOutOfHttps(context))
{
context.Response.Redirect(
$"{unsecureRedirectRelativePath}?fallback={_allowFallbackToHttp.ToString().ToLower()}&httpsport={_customHttpsPortNumber}");
}
}
// access check
if (currentPath.Length > _adminRootPath.Length && !UserValidationFacade.IsLoggedIn() &&
!_allAllowedPaths.Any(p => currentPath.StartsWith(p, StringComparison.OrdinalIgnoreCase)))
{
if (currentPath.StartsWith(_servicesPath))
{
context.Response.StatusCode = 403;
context.Response.End();
return;
}
Log.LogWarning("Authorization", "DENIED {0} access to {1}", context.Request.UserHostAddress, currentPath);
string redirectUrl = $"{_loginPagePath}?ReturnUrl={HttpUtility.UrlEncode(url.PathAndQuery, Encoding.UTF8)}";
context.Response.Redirect(redirectUrl, true);
return;
}
// On authenticated request make sure these resources gets compiled / launched.
if (IsConsoleOnline)
{
BrowserRender.EnsureReadiness();
BuildManagerHelper.InitializeControlPreLoading();
}
}
/// <exclude />
public static int GetFunctionPreviewHash()
{
if (!GlobalSettingsFacade.FunctionPreviewEnabled)
{
return(0);
}
return(BrowserRender.GetLastCacheUpdateTime(RenderingMode).GetHashCode());
}
internal static async Task <string> GetPreviewFunctionPreviewImageFile(HttpContext context)
{
string previewUrl = context.Request.Url.ToString().Replace("/FunctionBox?", "/FunctionPreview.ashx?");
var renderingResult = await BrowserRender.RenderUrlAsync(context, previewUrl, RenderingMode);
if (renderingResult == null)
{
return(null);
}
if (renderingResult.Status == BrowserRender.RenderingResultStatus.Success)
{
return(renderingResult.FilePath);
}
if (renderingResult.Status >= BrowserRender.RenderingResultStatus.Error)
{
Log.LogWarning("FunctionPreview", "Failed to build preview for function. Reason: {0}; Output:\r\n{1}",
renderingResult.Status, renderingResult.Output);
}
return(null);
}
/// <exclude />
public static bool GetPreviewInformation(HttpContext context, Guid pageId, Guid templateId, out string imageFilePath, out PlaceholderInformation[] placeholders)
{
int updateHash = BrowserRender.GetLastCacheUpdateTime(RenderingMode).GetHashCode();
string requestUrl = new UrlBuilder(context.Request.Url.ToString()).ServerUrl
+ ServiceUrl + $"?p={pageId}&t={templateId}&hash={updateHash}";
RenderingResult result = null;
var renderTask = BrowserRender.RenderUrlAsync(context, requestUrl, RenderingMode);
renderTask.Wait(10000);
if (renderTask.Status == TaskStatus.RanToCompletion)
{
result = renderTask.Result;
}
if (result == null)
{
imageFilePath = null;
placeholders = null;
return(false);
}
if (result.Status != RenderingResultStatus.Success)
{
Log.LogWarning("PageTemplatePreview", "Failed to build preview for page template '{0}'. Reason: {1}; Output:\r\n{2}",
templateId, result.Status, result.Output);
imageFilePath = null;
placeholders = null;
return(false);
}
imageFilePath = result.FilePath;
ICollection <string> output = result.Output;
const string templateInfoPrefix = "templateInfo:";
var placeholderData = output.FirstOrDefault(l => l.StartsWith(templateInfoPrefix));
var pList = new List <PlaceholderInformation>();
// TODO: use JSON
if (placeholderData != null)
{
foreach (var infoPart in placeholderData.Substring(templateInfoPrefix.Length).Split('|'))
{
string[] parts = infoPart.Split(',');
double left, top, width, height;
if (parts.Length != 5 ||
!double.TryParse(parts[1], out left) ||
!double.TryParse(parts[2], out top) ||
!double.TryParse(parts[3], out width) ||
!double.TryParse(parts[4], out height))
{
throw new InvalidOperationException($"Incorrectly serialized template part info: {infoPart}");
}
var zoom = 1.0;
pList.Add(new PlaceholderInformation
{
PlaceholderId = parts[0],
ClientRectangle = new Rectangle((int)left, (int)top, (int)width, (int)height),
ClientRectangleWithZoom = new Rectangle(
(int)Math.Round(zoom * left),
(int)Math.Round(zoom * top),
(int)Math.Round(zoom * width),
(int)Math.Round(zoom * height))
});
}
}
placeholders = pList.ToArray();
return(true);
}
/// <exclude />
public static void ClearCache()
{
BrowserRender.ClearCache(RenderingMode);
}
/// <exclude />
public static bool GetPreviewInformation(HttpContext context, Guid pageId, Guid templateId, out string imageFilePath, out PlaceholderInformation[] placeholders)
{
int updateHash = BrowserRender.GetLastCacheUpdateTime(RenderingMode).GetHashCode();
string requestUrl = new UrlBuilder(context.Request.Url.ToString()).ServerUrl + ServiceUrl + "?p=" + pageId + "&t=" + templateId + "&hash=" + updateHash;
BrowserRender.RenderingResult result = null;
var renderTask = BrowserRender.RenderUrlAsync(context, requestUrl, RenderingMode);
renderTask.Wait(10000);
if (renderTask.Status == TaskStatus.RanToCompletion)
{
result = renderTask.Result;
}
if (result == null)
{
imageFilePath = null;
placeholders = null;
return(false);
}
if (result.Status != BrowserRender.RenderingResultStatus.Success)
{
Log.LogWarning("PageTemplatePreview", "Failed to build preview for page template '{0}'. Reason: {1}; Output:\r\n{2}",
templateId, result.Status, result.Output);
imageFilePath = null;
placeholders = null;
return(false);
}
imageFilePath = result.FilePath;
string output = result.Output;
var pList = new List <PlaceholderInformation>();
string templateInfoPrefix = "templateInfo:";
if (output.StartsWith(templateInfoPrefix))
{
foreach (var infoPart in output.Substring(templateInfoPrefix.Length).Split('|'))
{
string[] parts = infoPart.Split(',');
Verify.That(parts.Length == 5, "Incorrectly serialized template part info: " + infoPart);
int left = Int32.Parse(parts[1]);
int top = Int32.Parse(parts[2]);
int width = Int32.Parse(parts[3]);
int height = Int32.Parse(parts[4]);
var zoom = 1.0;
pList.Add(new PlaceholderInformation
{
PlaceholderId = parts[0],
ClientRectangle = new Rectangle(left, top, width, height),
ClientRectangleWithZoom = new Rectangle(
(int)Math.Round(zoom * left),
(int)Math.Round(zoom * top),
(int)Math.Round(zoom * width),
(int)Math.Round(zoom * height))
});
}
}
placeholders = pList.ToArray();
return(true);
}
static FunctionPreview()
{
GlobalEventSystemFacade.OnDesignChange += () => BrowserRender.ClearCache(RenderingMode);
}
/// <exclude />
public static int GetFunctionPreviewHash()
{
return(BrowserRender.GetLastCacheUpdateTime(RenderingMode).GetHashCode());
}
