string IServerConfig.MapPath(IApplicationHost appHost, VirtualPath path)
{
string siteName = (appHost == null) ? this._siteNameForCurrentApplication : appHost.GetSiteName();
string physicalPath = ProcessHostConfigUtils.MapPathActual(siteName, path);
if (FileUtil.IsSuspiciousPhysicalPath(physicalPath))
{
throw new InvalidOperationException(System.Web.SR.GetString("Cannot_map_path", new object[] { path.VirtualPathString }));
}
return(physicalPath);
}
private string MapPathCaching(string siteID, VirtualPath path)
{
// UrlMetaDataSlidingExpiration config setting controls
// the duration of all cached items related to url metadata.
bool doNotCache = CachedPathData.DoNotCacheUrlMetadata;
TimeSpan slidingExpiration = CachedPathData.UrlMetadataSlidingExpiration;
// store a single variation of the path
VirtualPath originalPath = path;
MapPathCacheInfo cacheInfo;
if (doNotCache)
{
cacheInfo = new MapPathCacheInfo();
}
else
{
// Check if it's in the cache
String cacheKey = CacheInternal.PrefixMapPath + siteID + path.VirtualPathString;
cacheInfo = (MapPathCacheInfo)HttpRuntime.CacheInternal.Get(cacheKey);
// If not in cache, add it to the cache
if (cacheInfo == null)
{
cacheInfo = new MapPathCacheInfo();
// Add to the cache.
// No need to have a lock here. UtcAdd will add the entry if it doesn't exist.
// If it does exist, the existing value will be returned (Dev10 Bug 755034).
object existingEntry = HttpRuntime.CacheInternal.UtcAdd(
cacheKey, cacheInfo, null, Cache.NoAbsoluteExpiration, slidingExpiration, CacheItemPriority.Default, null);
if (existingEntry != null)
{
cacheInfo = existingEntry as MapPathCacheInfo;
}
}
}
// If not been evaluated, then evaluate it
if (!cacheInfo.Evaluated)
{
lock (cacheInfo) {
if (!cacheInfo.Evaluated && HttpRuntime.IsMapPathRelaxed)
{
//////////////////////////////////////////////////////////////////
// Verify that the parent path is valid. If parent is invalid, then set this to invalid
if (path.VirtualPathString.Length > 1)
{
VirtualPath vParent = path.Parent;
if (vParent != null)
{
string parentPath = vParent.VirtualPathString;
if (parentPath.Length > 1 && StringUtil.StringEndsWith(parentPath, '/')) // Trim the extra trailing / if there is one
{
vParent = VirtualPath.Create(parentPath.Substring(0, parentPath.Length - 1));
}
try {
string parentMapPathResult = MapPathCaching(siteID, vParent);
if (parentMapPathResult == HttpRuntime.GetRelaxedMapPathResult(null))
{
// parent is invalid!
cacheInfo.MapPathResult = parentMapPathResult;
cacheInfo.Evaluated = true;
}
} catch {
cacheInfo.MapPathResult = HttpRuntime.GetRelaxedMapPathResult(null);
cacheInfo.Evaluated = true;
}
}
}
}
if (!cacheInfo.Evaluated)
{
try {
string physicalPath = null;
uint siteIDValue;
if (UInt32.TryParse(siteID, out siteIDValue))
{
string siteName = ProcessHostConfigUtils.GetSiteNameFromId(siteIDValue);
physicalPath = ProcessHostConfigUtils.MapPathActual(siteName, path);
}
if (physicalPath != null && physicalPath.Length == 2 && physicalPath[1] == ':')
{
physicalPath += "\\";
}
// Throw if the resulting physical path is not canonical, to prevent potential
// security issues (VSWhidbey 418125)
if (HttpRuntime.IsMapPathRelaxed)
{
physicalPath = HttpRuntime.GetRelaxedMapPathResult(physicalPath);
}
if (FileUtil.IsSuspiciousPhysicalPath(physicalPath))
{
if (HttpRuntime.IsMapPathRelaxed)
{
physicalPath = HttpRuntime.GetRelaxedMapPathResult(null);
}
else
{
throw new HttpException(SR.GetString(SR.Cannot_map_path, path));
}
}
cacheInfo.MapPathResult = physicalPath;
} catch (Exception e) {
if (HttpRuntime.IsMapPathRelaxed)
{
cacheInfo.MapPathResult = HttpRuntime.GetRelaxedMapPathResult(null);
}
else
{
cacheInfo.CachedException = e;
cacheInfo.Evaluated = true;
throw;
}
}
cacheInfo.Evaluated = true;
}
}
}
// Throw an exception if required
if (cacheInfo.CachedException != null)
{
throw cacheInfo.CachedException;
}
return(MatchResult(originalPath, cacheInfo.MapPathResult));
}
private string MapPathCaching(string siteID, VirtualPath path)
{
VirtualPath path2 = path;
string key = "f" + siteID + path.VirtualPathString;
MapPathCacheInfo info = (MapPathCacheInfo)HttpRuntime.CacheInternal.Get(key);
if (info == null)
{
lock (this._mapPathCacheLock)
{
info = (MapPathCacheInfo)HttpRuntime.CacheInternal.Get(key);
if (info == null)
{
info = new MapPathCacheInfo();
HttpRuntime.CacheInternal.UtcInsert(key, info, null, DateTime.UtcNow.AddMinutes(10.0), Cache.NoSlidingExpiration);
}
}
}
if (!info.Evaluated)
{
lock (info)
{
if ((!info.Evaluated && HttpRuntime.IsMapPathRelaxed) && (path.VirtualPathString.Length > 1))
{
VirtualPath parent = path.Parent;
if (parent != null)
{
string virtualPathString = parent.VirtualPathString;
if ((virtualPathString.Length > 1) && StringUtil.StringEndsWith(virtualPathString, '/'))
{
parent = VirtualPath.Create(virtualPathString.Substring(0, virtualPathString.Length - 1));
}
try
{
string str3 = this.MapPathCaching(siteID, parent);
if (str3 == HttpRuntime.GetRelaxedMapPathResult(null))
{
info.MapPathResult = str3;
info.Evaluated = true;
}
}
catch
{
info.MapPathResult = HttpRuntime.GetRelaxedMapPathResult(null);
info.Evaluated = true;
}
}
}
if (!info.Evaluated)
{
try
{
uint num;
string originalResult = null;
if (uint.TryParse(siteID, out num))
{
originalResult = ProcessHostConfigUtils.MapPathActual(ProcessHostConfigUtils.GetSiteNameFromId(num), path);
}
if (((originalResult != null) && (originalResult.Length == 2)) && (originalResult[1] == ':'))
{
originalResult = originalResult + @"\";
}
if (HttpRuntime.IsMapPathRelaxed)
{
originalResult = HttpRuntime.GetRelaxedMapPathResult(originalResult);
}
if (FileUtil.IsSuspiciousPhysicalPath(originalResult))
{
if (!HttpRuntime.IsMapPathRelaxed)
{
throw new HttpException(System.Web.SR.GetString("Cannot_map_path", new object[] { path }));
}
originalResult = HttpRuntime.GetRelaxedMapPathResult(null);
}
info.MapPathResult = originalResult;
}
catch (Exception exception)
{
if (!HttpRuntime.IsMapPathRelaxed)
{
info.CachedException = exception;
info.Evaluated = true;
throw;
}
info.MapPathResult = HttpRuntime.GetRelaxedMapPathResult(null);
}
info.Evaluated = true;
}
}
}
if (info.CachedException != null)
{
throw info.CachedException;
}
return(this.MatchResult(path2, info.MapPathResult));
}
