public string GetAbsolutePath(string executingFilePath, string pagePath)
{
if (string.IsNullOrEmpty(pagePath))
{
// Path is not valid; no change required.
return(pagePath);
}
if (IsApplicationRelativePath(pagePath))
{
// An absolute path already; no change required.
return(pagePath);
}
if (!IsRelativePath(pagePath))
{
// A page name; no change required.
return(pagePath);
}
if (string.IsNullOrEmpty(executingFilePath))
{
// Given a relative path i.e. not yet application-relative (starting with "~/" or "/"), interpret
// path relative to currently-executing view, if any.
// Not yet executing a view. Start in app root.
var absolutePath = "/" + pagePath;
return(ViewEnginePath.ResolvePath(absolutePath));
}
return(ViewEnginePath.CombinePath(executingFilePath, pagePath));
}
public void ResolvePath_DoesNotModifyPathsWithoutTraversals(string input)
{
// Arrange & Act
var result = ViewEnginePath.ResolvePath(input);
// Assert
Assert.Same(input, result);
}
public void ResolvePath_DoesNotTraversePastApplicationRoot(string input)
{
// Arrange
var result = ViewEnginePath.ResolvePath(input);
// Assert
Assert.Same(input, result);
}
public void ResolvePath_ResolvesPathTraversals(string input, string expected)
{
// Arrange & Act
var result = ViewEnginePath.ResolvePath(input);
// Assert
Assert.Equal(expected, result);
}
private ViewLocationCacheResult OnCacheMiss(
ViewLocationExpanderContext expanderContext,
ViewLocationCacheKey cacheKey)
{
var viewLocations = GetViewLocationFormats(expanderContext);
var expanders = _options.ViewLocationExpanders;
// Read interface .Count once rather than per iteration
var expandersCount = expanders.Count;
for (var i = 0; i < expandersCount; i++)
{
viewLocations = expanders[i].ExpandViewLocations(expanderContext, viewLocations);
}
ViewLocationCacheResult?cacheResult = null;
var searchedLocations = new List <string>();
var expirationTokens = new HashSet <IChangeToken>();
foreach (var location in viewLocations)
{
var path = string.Format(
CultureInfo.InvariantCulture,
location,
expanderContext.ViewName,
expanderContext.ControllerName,
expanderContext.AreaName);
path = ViewEnginePath.ResolvePath(path);
cacheResult = CreateCacheResult(expirationTokens, path, expanderContext.IsMainPage);
if (cacheResult != null)
{
break;
}
searchedLocations.Add(path);
}
// No views were found at the specified location. Create a not found result.
if (cacheResult == null)
{
cacheResult = new ViewLocationCacheResult(searchedLocations);
}
var cacheEntryOptions = new MemoryCacheEntryOptions();
cacheEntryOptions.SetSlidingExpiration(_cacheExpirationDuration);
foreach (var expirationToken in expirationTokens)
{
cacheEntryOptions.AddExpirationToken(expirationToken);
}
ViewLookupCache.Set(cacheKey, cacheResult, cacheEntryOptions);
return(cacheResult);
}
public static bool IsCurrentPage(this ViewContext context, string pageName)
{
string normalizedRouteValue = NormalizedRouteValue.GetNormalizedRouteValue(context, "page");
string expectedPageValue = ViewEnginePath.CombinePath(normalizedRouteValue, pageName);
RouteData routeData = context.HttpContext.GetRouteData();
var page = (string)routeData.Values["page"];
if (page == expectedPageValue)
{
return(true);
}
return(false);
}
private static object CalculatePageName(ActionContext actionContext, string pageName)
{
Debug.Assert(pageName.Length > 0);
// Paths not qualified with a leading slash are treated as relative to the current page.
if (pageName[0] != '/')
{
var currentPagePath = NormalizedRouteValue.GetNormalizedRouteValue(actionContext, "page");
if (string.IsNullOrEmpty(currentPagePath))
{
// Disallow the use sibling page routing, a Razor page specific feature, from a non-page action.
throw new InvalidOperationException(Resources.FormatUrlHelper_RelativePagePathIsNotSupported(pageName));
}
return(ViewEnginePath.CombinePath(currentPagePath, pageName));
}
return(pageName);
}
private ViewLocationCacheResult OnCacheMiss(
ViewLocationExpanderContext expanderContext,
ViewLocationCacheKey cacheKey)
{
var sb = new StringBuilder();
sb.Append(expanderContext.ViewName)
.Append(expanderContext.ControllerName)
.Append(expanderContext.AreaName);
var key = sb.ToString();
if (!_viewLocations1.ContainsKey(key))
{
var viewLocations = GetViewLocationFormats(expanderContext);
for (var i = 0; i < _options.ViewLocationExpanders.Count; i++)
{
viewLocations = _options.ViewLocationExpanders[i]
.ExpandViewLocations(expanderContext, viewLocations);
}
var resolvedLocations = new List <string>();
foreach (var location in viewLocations)
{
var path = string.Format(
CultureInfo.InvariantCulture,
location,
expanderContext.ViewName,
expanderContext.ControllerName,
expanderContext.AreaName);
path = ViewEnginePath.ResolvePath(path);
resolvedLocations.Add(path);
}
_viewLocations1[key] = resolvedLocations;
}
ViewLocationCacheResult cacheResult = null;
var searchedLocations = new List <string>();
var expirationTokens = new HashSet <IChangeToken>();
foreach (var path in _viewLocations1[key])
{
cacheResult = CreateCacheResult(expirationTokens, path, expanderContext.IsMainPage);
if (cacheResult != null)
{
break;
}
searchedLocations.Add(path);
}
// No views were found at the specified location. Create a not found result.
if (cacheResult == null)
{
cacheResult = new ViewLocationCacheResult(searchedLocations);
}
var cacheEntryOptions = new MemoryCacheEntryOptions();
cacheEntryOptions.SetSlidingExpiration(_cacheExpirationDuration);
//foreach (var expirationToken in expirationTokens)
//{
// cacheEntryOptions.AddExpirationToken(expirationToken);
//}
return(ViewLookupCache.Set(cacheKey, cacheResult, cacheEntryOptions));
}
