| public AddFileDependency ( string filename ) : void | ||
| filename | string | |
| return | void | |
internal static void ProcessRequestInternal(HttpContext context, string overrideVirtualPath)
{
HttpRequest request = context.Request;
HttpResponse response = context.Response;
if (!ProcessRequestForNonMapPathBasedVirtualFile(request, response, overrideVirtualPath))
{
string path;
string physicalPath;
if (overrideVirtualPath == null)
{
path = request.Path;
physicalPath = request.PhysicalPath;
}
else
{
path = overrideVirtualPath;
physicalPath = request.MapPath(overrideVirtualPath);
}
FileInfo info = GetFileInfo(path, physicalPath, response);
DateTime lastModified = new DateTime(info.LastWriteTime.Year, info.LastWriteTime.Month, info.LastWriteTime.Day, info.LastWriteTime.Hour, info.LastWriteTime.Minute, info.LastWriteTime.Second, 0);
DateTime now = DateTime.Now;
if (lastModified > now)
{
lastModified = new DateTime(now.Ticks - (now.Ticks % 0x989680L));
}
string etag = GenerateETag(context, lastModified, now);
long length = info.Length;
string str4 = request.Headers["Range"];
if (!StringUtil.StringStartsWithIgnoreCase(str4, "bytes") || !ProcessRangeRequest(context, physicalPath, length, str4, etag, lastModified))
{
SendFile(physicalPath, 0L, length, length, context);
response.ContentType = MimeMapping.GetMimeMapping(physicalPath);
response.AppendHeader("Accept-Ranges", "bytes");
response.AddFileDependency(physicalPath);
response.Cache.SetIgnoreRangeRequests();
response.Cache.SetExpires(DateTime.Now.AddDays(1.0));
response.Cache.SetLastModified(lastModified);
response.Cache.SetETag(etag);
response.Cache.SetCacheability(HttpCacheability.Public);
}
}
}
public override void AddFileDependency(string filename)
{
_httpResponse.AddFileDependency(filename);
}
public void Methods_Deny_Unrestricted ()
{
HttpResponse response = new HttpResponse (writer);
response.AddCacheItemDependencies (new ArrayList ());
response.AddCacheItemDependency (String.Empty);
response.AddFileDependencies (new ArrayList ());
response.AddFileDependency (fname);
response.AddCacheDependency (new CacheDependency[0]);
response.AddCacheItemDependencies (new string [0]);
response.AddFileDependencies (new string [0]);
try {
response.AppendCookie (new HttpCookie ("mono"));
}
catch (NullReferenceException) {
// ms
}
try {
Assert.IsNull (response.ApplyAppPathModifier (null), "ApplyAppPathModifier");
}
catch (NullReferenceException) {
// ms
}
try {
response.Clear ();
}
catch (NullReferenceException) {
// ms
}
try {
response.ClearContent ();
}
catch (NullReferenceException) {
// ms
}
try {
response.ClearHeaders ();
}
catch (NullReferenceException) {
// ms
}
try {
response.Redirect ("http://www.mono-project.com");
}
catch (NullReferenceException) {
// ms
}
try {
response.Redirect ("http://www.mono-project.com", false);
}
catch (NullReferenceException) {
// ms
}
try {
response.SetCookie (new HttpCookie ("mono"));
}
catch (NullReferenceException) {
// ms
}
response.Write (String.Empty);
response.Write (Char.MinValue);
response.Write (new char[0], 0, 0);
response.Write (this);
response.WriteSubstitution (new HttpResponseSubstitutionCallback (Callback));
response.Flush ();
response.Close ();
try {
response.End ();
}
catch (NullReferenceException) {
// ms
}
}
public override void AddFileDependency(string filename)
{
w.AddFileDependency(filename);
}
void BuildFileItemResponse(HttpContext context,
string fileName,
long fileSize,
DateTime lastModifiedTime,
string strETag)
{
HttpRequest request = context.Request;
HttpResponse response = context.Response;
bool fCache = false;
string strRange;
int cbCacheThreshold = DEFAULT_CACHE_THRESHOLD;
bool fIsRangeRequest = false;
//
// Get the Range: header if it exists
//
strRange = request.Headers["Range"];
if (strRange != null)
{
if (strRange.ToLower(CultureInfo.InvariantCulture).StartsWith("bytes"))
{
fIsRangeRequest = true;
}
}
//
// Give the range code a first crack at sending the ranges. If
// the Range: header is syntactically invalid, then we will fall
// thru as if the Range: header was not present.
//
if (fIsRangeRequest &&
!SendEntireEntity(context,
strETag,
lastModifiedTime))
{
// At this point we know that based on "If-Range"
// (if provided) we may not send the entire entity.
#if SUPPORT_HTTP_RANGE_REQUESTS
if (RangeSupport.ProcessRangeRequest(context,
strRange,
fileName,
fileSize))
{
//
// If ProcessRangeRequest() returned true, then it
// handled the range somehow (either sending it back
// with a 206 or sent a 416
//
response.Cache.SetNoServerCaching();
return;
}
#endif
//
// Fall thru. The request is now cacheable again
//
}
if (fileSize <= cbCacheThreshold &&
!request.RequestType.Equals("(GETSOURCE)") &&
!request.RequestType.Equals("(HEADSOURCE)"))
{
fCache = true;
}
//
// Ask ASP to open the file contents and cache them
// (hence the second parameter to WriteFile())
//
response.WriteFile(fileName, fCache);
//
// Specify content type. Use extension to do the mapping
//
response.ContentType = MimeMapping.GetMimeMapping(fileName);
//
// Static file handler supports byte ranges (duh)
//
response.AppendHeader("Accept-Ranges", "bytes");
//
// If we are caching, the instruct the ASP output cache to
// to cache the result.
//
if (fCache)
{
//
// Set a validation handler to check to avoid serving from
// ASP.NET output cache when Range or Translate:f
//
response.Cache.AddValidationCallback(
new HttpCacheValidateHandler(this.CacheValidateHandler),
null);
//
//
// We want to flush cache entry when static file has changed
//
response.AddFileDependency(fileName);
//
// Set an expires in the future.
//
response.Cache.SetExpires(DateTime.Now.AddDays(1));
}
}
internal static void ProcessRequestInternal(HttpContext context, string overrideVirtualPath)
{
HttpRequest request = context.Request;
HttpResponse response = context.Response;
string virtualPathWithPathInfo;
string physicalPath;
FileInfo fileInfo;
long fileLength;
DateTime lastModifiedInUtc;
string etag;
string rangeHeader;
// custom virtual path providers that don't yeild a MapPathBasedVirtualFile
// are a special case, and do not support TransmitFile, WriteFile, Range requests,
// or the cache policy that we apply below
if (ProcessRequestForNonMapPathBasedVirtualFile(request, response, overrideVirtualPath))
{
return;
}
if (overrideVirtualPath == null)
{
virtualPathWithPathInfo = request.Path;
physicalPath = request.PhysicalPath;
}
else
{
virtualPathWithPathInfo = overrideVirtualPath;
physicalPath = request.MapPath(overrideVirtualPath);
}
Debug.Trace("StaticFileHandler", "Path= " + virtualPathWithPathInfo + ", PhysicalPath= " + physicalPath);
fileInfo = GetFileInfo(virtualPathWithPathInfo, physicalPath, response);
// Determine Last Modified Time. We might need it soon
// if we encounter a Range: and If-Range header
// Using UTC time to avoid daylight savings time
lastModifiedInUtc = new DateTime(fileInfo.LastWriteTimeUtc.Year,
fileInfo.LastWriteTimeUtc.Month,
fileInfo.LastWriteTimeUtc.Day,
fileInfo.LastWriteTimeUtc.Hour,
fileInfo.LastWriteTimeUtc.Minute,
fileInfo.LastWriteTimeUtc.Second,
0,
DateTimeKind.Utc);
// Because we can't set a "Last-Modified" header to any time
// in the future, check the last modified time and set it to
// DateTime.Now if it's in the future.
// This is to fix VSWhidbey #402323
DateTime utcNow = DateTime.UtcNow;
if (lastModifiedInUtc > utcNow)
{
// use 1 second resolution
lastModifiedInUtc = new DateTime(utcNow.Ticks - (utcNow.Ticks % TimeSpan.TicksPerSecond), DateTimeKind.Utc);
}
etag = GenerateETag(context, lastModifiedInUtc, utcNow);
fileLength = fileInfo.Length;
// is this a Range request?
rangeHeader = request.Headers["Range"];
if (StringUtil.StringStartsWithIgnoreCase(rangeHeader, "bytes") &&
ProcessRangeRequest(context,
physicalPath,
fileLength,
rangeHeader,
etag,
lastModifiedInUtc))
{
return;
}
// if we get this far, we're sending the entire file
SendFile(physicalPath, 0, fileLength, fileLength, context);
// Specify content type. Use extension to do the mapping
response.ContentType = MimeMapping.GetMimeMapping(physicalPath);
// Static file handler supports byte ranges
response.AppendHeader("Accept-Ranges", "bytes");
// We want to flush cache entry when static file has changed
response.AddFileDependency(physicalPath);
// Set IgnoreRangeRequests to avoid serving Range requests from the output cache.
// Note that the kernel cache always ignores Range requests.
response.Cache.SetIgnoreRangeRequests();
// Set an expires in the future.
response.Cache.SetExpires(utcNow.AddDays(1));
// always set Last-Modified
response.Cache.SetLastModified(lastModifiedInUtc);
// always set ETag
response.Cache.SetETag(etag);
// always set Cache-Control to public
response.Cache.SetCacheability(HttpCacheability.Public);
}
