/// <summary>
/// Set HTTP cache headers based on data passed in.
/// </summary>
/// <param name="relativeToDate">The start date cache time spans are relative to, usually <see cref="DateTime.UtcNow"/>.</param>
/// <param name="defaultCachePeriod">The default cache period.</param>
/// <param name="contentExpiryDates">Expiry dates for any content, either part of a page or the whole page.</param>
/// <param name="isPreview">if set to <c>true</c> [is preview].</param>
/// <param name="cachePolicy">The cache policy.</param>
private void SetHttpCacheHeaders(DateTime relativeToDate, TimeSpan defaultCachePeriod, IList <DateTime> contentExpiryDates, bool isPreview, HttpCachePolicyBase cachePolicy)
{
// Only do this if it's enabled in web.config
if (!IsHttpCachingEnabled())
{
return;
}
// Never use HTTP caching for anyone who can edit the site
if (isPreview)
{
cachePolicy.SetCacheability(HttpCacheability.NoCache);
cachePolicy.SetMaxAge(new TimeSpan(0));
cachePolicy.AppendCacheExtension("must-revalidate, proxy-revalidate");
}
else
{
// Get cache period.
var freshness = WorkOutCacheFreshness(relativeToDate, defaultCachePeriod, contentExpiryDates);
// Cache the page
// Use "private" setting so that shared caches aren't used, because shared caches might cache the mobile view and serve it to a desktop user.
// "Vary: User-Agent" should be the best way to prevent that, but .NET converts it to "Vary: *" which effectively prevents caching.
cachePolicy.SetCacheability(HttpCacheability.Private);
cachePolicy.SetExpires(freshness.FreshUntil.ToUniversalTime());
cachePolicy.SetMaxAge(freshness.FreshFor);
}
}
protected virtual void SetHttpCachePolicy(HttpCachePolicyBase policy)
{
policy.SetCacheability(HttpCacheability.Private);
policy.SetExpires(DateTime.Now.Add(CacheDuration));
policy.SetMaxAge(CacheDuration);
policy.SetValidUntilExpires(true);
}
protected virtual void SetHttpCachePolicy(HttpCachePolicyBase policy)
{
policy.SetCacheability(HttpCacheability.Private);
policy.SetExpires(DateTime.Now.Add(CacheDuration));
policy.SetMaxAge(CacheDuration);
policy.SetValidUntilExpires(true);
}
public override void OnActionExecuted(ActionExecutedContext filterContext)
{
HttpCachePolicyBase cache = filterContext.HttpContext.Response.Cache;
// 在關閉瀏覽器或者切換使用者時，刪除快取資料 (http://blog.toright.com/posts/3414/初探-http-1-1-cache-機制.html)
cache.SetCacheability(HttpCacheability.Public);
// 在 http response header 裡設 expire time 減少 client 送出 http request (http://fcamel-life.blogspot.tw/2010/06/http-response-header-expire-request.html)
cache.SetExpires(DateTime.Now.AddDays(365)); // HTTP/1.0
// filterContext.HttpContext.Response.Cache.SetValidUntilExpires(true);
cache.SetMaxAge(TimeSpan.FromDays(365)); // HTTP/1.1, Cache-Control: max-age
cache.SetProxyMaxAge(TimeSpan.FromDays(365)); // HTTP/1.1, Cache-Control: s-maxage
cache.SetETagFromFileDependencies();
cache.SetLastModifiedFromFileDependencies();
cache.SetAllowResponseInBrowserHistory(true);
// http://stackoverflow.com/questions/6151292/httpcontext-current-response-cache-setcacheabilityhttpcacheability-nocache-not
// 按下登出按鈕所需要的快取設定
//cache.SetCacheability(HttpCacheability.NoCache);
//cache.SetExpires(DateTime.UtcNow.AddHours(-1));
//cache.SetNoStore();
// http://stackoverflow.com/questions/4078011/how-to-switch-off-caching-for-mvc-requests-but-not-for-static-files-in-iis7
// 關閉 Cache 功能
//cache.SetExpires(DateTime.UtcNow.AddDays(-1));
//cache.SetValidUntilExpires(false);
//cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
//cache.SetCacheability(HttpCacheability.NoCache);
//cache.SetNoStore();
}
public override void OnActionExecuted(
ActionExecutedContext filterContext)
{
if (Duration < 0)
{
return;
}
HttpCachePolicyBase cache = filterContext.HttpContext
.Response.Cache;
if (PreventBrowserCaching)
{
cache.SetCacheability(HttpCacheability.NoCache);
Duration = 0;
}
else
{
cache.SetCacheability(HttpCacheability.Public);
}
TimeSpan cacheDuration = TimeSpan.FromSeconds(Duration);
cache.SetExpires(DateTime.Now.Add(cacheDuration));
cache.SetMaxAge(cacheDuration);
cache.AppendCacheExtension("must-revalidate,"
+ "proxy-revalidate");
}
public void Apply(HttpCachePolicyBase policy)
{
policy.ThrowIfNull("policy");
if (!_hasPolicy)
{
return;
}
switch (_cacheability)
{
case HttpCacheability.NoCache:
policy.SetCacheability(_allowsServerCaching == true ? HttpCacheability.ServerAndNoCache : HttpCacheability.NoCache);
break;
case HttpCacheability.Private:
policy.SetCacheability(_allowsServerCaching == true ? HttpCacheability.ServerAndPrivate : HttpCacheability.Private);
break;
case HttpCacheability.Public:
policy.SetCacheability(HttpCacheability.Public);
break;
}
if (_noStore == true)
{
policy.SetNoStore();
}
if (_noTransforms == true)
{
policy.SetNoTransforms();
}
if (_clientCacheExpirationUtcTimestamp != null)
{
policy.SetExpires(_clientCacheExpirationUtcTimestamp.Value);
}
if (_clientCacheMaxAge != null)
{
policy.SetMaxAge(_clientCacheMaxAge.Value);
}
if (_allowResponseInBrowserHistory != null)
{
policy.SetAllowResponseInBrowserHistory(_allowResponseInBrowserHistory.Value);
}
if (_eTag != null)
{
policy.SetETag(_eTag);
}
if (_omitVaryStar != null)
{
policy.SetOmitVaryStar(_omitVaryStar.Value);
}
if (_proxyMaxAge != null)
{
policy.SetProxyMaxAge(_proxyMaxAge.Value);
}
if (_revalidation != null)
{
policy.SetRevalidation(_revalidation.Value);
}
}
/*public HashSet<string> Endings { get; set; }
*
* private bool ContainsEnding(string ending) {
* return ending != null && Endings.Contains(ending);
* }*/
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
if (Duration.TotalMilliseconds <= 0)
{
return;
}
/* Uri url = filterContext.HttpContext.Request.Url;
* string localPath = url != null
* ? url.LocalPath.ToLowerInvariant()
* : null;
* if (string.IsNullOrEmpty(localPath)) {
* return;
* }
* if (EnumerableValidator.IsNotNullAndNotEmpty(Endings)) {
* string fileName = Path.GetFileName(localPath);
* string extension = Path.GetExtension(localPath);
* if (!ContainsEnding(fileName) && !ContainsEnding(extension)) {
* //файл не подходит под искомую маску
* return;
* }
*
* //файл подошел под искомую маску - установить время кэша
* }*/
HttpCachePolicyBase cache = filterContext.HttpContext.Response.Cache;
cache.SetCacheability(HttpCacheability.Public);
cache.SetExpires(DateTime.Now.Add(Duration));
cache.SetMaxAge(Duration);
cache.AppendCacheExtension("must-revalidate, proxy-revalidate");
}
/// <summary>
///
/// </summary>
/// <param name="filterContext"></param>
public override void OnActionExecuted(ActionExecutedContext filterContext)
{
var acDomain = filterContext.HttpContext.Application[Constants.ApplicationRuntime.AcDomainCacheKey] as IAcDomain;
if (Enable || acDomain.Config.EnableClientCache)
{
if (Duration <= 0)
{
return;
}
HttpCachePolicyBase cache = filterContext.HttpContext.Response.Cache;
TimeSpan cacheDuration = TimeSpan.FromSeconds(Duration);
cache.SetCacheability(HttpCacheability.Public);
cache.SetExpires(DateTime.Now.Add(cacheDuration));
if (!string.IsNullOrEmpty(VaryByParam))
{
string[] parms = VaryByParam.Split(';');
foreach (var parm in parms)
{
cache.VaryByParams[parm] = true;
}
}
cache.SetMaxAge(cacheDuration);
cache.AppendCacheExtension("must-revalidate, proxy-revalidate");
}
}
protected virtual void SetCache(HttpResponseBase response, int cacheDuration, params string[] varyByParams)
{
// Cache
if (cacheDuration > 0)
{
DateTime timestamp = DateTime.Now;
HttpCachePolicyBase cache = response.Cache;
int duration = cacheDuration;
cache.SetCacheability(HttpCacheability.Public);
cache.SetAllowResponseInBrowserHistory(true);
cache.SetExpires(timestamp.AddSeconds(duration));
cache.SetMaxAge(new TimeSpan(0, 0, duration));
cache.SetValidUntilExpires(true);
cache.SetLastModified(timestamp);
cache.VaryByHeaders["Accept-Encoding"] = true;
if (varyByParams != null)
{
foreach (var p in varyByParams)
{
cache.VaryByParams[p] = true;
}
}
cache.SetOmitVaryStar(true);
response.AddHeader("Cache-Control", string.Format("public, max-age={0}", cacheDuration));
}
}
protected virtual void SetHttpCachePolicy(HttpCachePolicyBase policy, TemplateInfo info)
{
policy.SetCacheability(info.Cacheability);
policy.SetExpires(DateTime.Now.AddMinutes(info.CacheDuration));
policy.SetMaxAge(TimeSpan.FromMinutes(info.CacheDuration));
policy.SetValidUntilExpires(true);
policy.SetETagFromFileDependencies();
policy.SetLastModifiedFromFileDependencies();
}
public static void CacheResponseFor(this HttpContextBase context, TimeSpan duration)
{
HttpCachePolicyBase cache = context.Response.Cache;
cache.SetCacheability(HttpCacheability.Public);
cache.SetLastModified(context.Timestamp);
cache.SetExpires(context.Timestamp.Add(duration));
cache.SetMaxAge(duration);
cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
}
private void HandleCaching(HttpCachePolicyBase cache, string etag)
{
cache.SetCacheability(System.Web.HttpCacheability.Public);
//cache.SetExpires(DateTime.Now.AddDays(7));
cache.SetMaxAge(TimeSpan.FromDays(7));
cache.SetETag(etag);
//cache.SetValidUntilExpires(false);
cache.VaryByParams["id"] = true;
cache.VaryByParams["size"] = true;
//cache.SetLastModified(DateTime.SpecifyKind(picture.UpdatedOnUtc, DateTimeKind.Utc));
}
public override void OnActionExecuted(ActionExecutedContext filterContext)
{
base.OnActionExecuted(filterContext);
HttpCachePolicyBase cache = filterContext.HttpContext.Response.Cache;
TimeSpan cacheDuration = new TimeSpan(180, 0, 0, 0);
cache.SetCacheability(HttpCacheability.Private);
cache.SetExpires(DateTime.Now.Add(cacheDuration));
cache.SetMaxAge(cacheDuration);
cache.AppendCacheExtension("must-revalidate, proxy-revalidate");
}
/// <summary>
/// Caches the specified instance.
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="duration">The duration.</param>
public static void Cache(this HttpContextBase instance, TimeSpan duration)
{
HttpCachePolicyBase cache = instance.Response.Cache;
cache.SetCacheability(HttpCacheability.Public);
cache.SetOmitVaryStar(true);
cache.SetExpires(instance.Timestamp.Add(duration));
cache.SetMaxAge(duration);
cache.SetValidUntilExpires(true);
cache.SetLastModified(instance.Timestamp);
cache.SetLastModifiedFromFileDependencies();
cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
}
/// <summary>
/// Sets a response to be cached for a given amount of time following the initial request, allowing both shared and private caches
/// </summary>
/// <param name="cachePolicy">The response.</param>
/// <param name="currentTime">The current time.</param>
/// <param name="cacheExpiryTime">The cache expiry time.</param>
/// <param name="responseIsIdenticalForEveryUser">if set to <c>true</c> one user may receive a response that was prepared for another user.</param>
/// <exception cref="System.ArgumentNullException">cachePolicy</exception>
/// <remarks>This method is for use with ASP.NET MVC</remarks>
public void CacheUntil(HttpCachePolicyBase cachePolicy, DateTime currentTime, DateTime cacheExpiryTime, bool responseIsIdenticalForEveryUser = true)
{
if (cachePolicy == null)
{
throw new ArgumentNullException("cachePolicy");
}
// Max-Age is the current standard, and Expires is the older one
cachePolicy.SetMaxAge(cacheExpiryTime.Subtract(currentTime));
cachePolicy.SetExpires(cacheExpiryTime);
// Public allows caching on shared proxies as well as users' own browsers
cachePolicy.SetCacheability(responseIsIdenticalForEveryUser ? HttpCacheability.Public : HttpCacheability.Private);
}
public override void OnActionExecuted(ActionExecutedContext filterContext)
{
if (Duration <= 0)
{
return;
}
HttpCachePolicyBase cache = filterContext.HttpContext.Response.Cache;
TimeSpan cacheDuration = TimeSpan.FromMinutes(Duration);
cache.SetCacheability(HttpCacheability.Public);
cache.SetExpires(DateTime.Now.Add(cacheDuration));
cache.SetMaxAge(cacheDuration);
cache.AppendCacheExtension("must-revalidate, proxy-revalidate");
}
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
if ((MZHelperConfiguration.MZCacheTime <= 0) || !MZHelperConfiguration.MZEnableMinify)
{
return;
}
HttpCachePolicyBase cache = filterContext.HttpContext.Response.Cache;
TimeSpan cacheDuration = TimeSpan.FromSeconds(MZHelperConfiguration.MZCacheTime);
cache.SetCacheability(HttpCacheability.Public);
cache.SetExpires(DateTime.Now.Add(cacheDuration));
cache.SetMaxAge(cacheDuration);
cache.AppendCacheExtension("must-revalidate, proxy-revalidate");
}
public override void OnActionExecuted(ActionExecutedContext filterContext)
{
if (Day <= 0)
{
return;
}
HttpCachePolicyBase cache = filterContext.HttpContext.Response.Cache;
TimeSpan Duration = TimeSpan.FromDays(Day);
cache.SetExpires(DateTime.Now.Add(Duration));
cache.SetMaxAge(Duration);
cache.SetLastModified(DateTime.Now);
cache.SetCacheability(Cacheability);
base.OnActionExecuted(filterContext);
}
/// <summary>
/// Set the caching policy.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="duration">The duration.</param>
public void Cache(HttpContextBase context, TimeSpan duration)
{
if ((duration > TimeSpan.Zero) || !context.IsDebuggingEnabled) // Do not cache in debug mode.
{
HttpCachePolicyBase cache = context.Response.Cache;
cache.SetCacheability(HttpCacheability.Public);
cache.SetOmitVaryStar(true);
cache.SetExpires(context.Timestamp.Add(duration));
cache.SetMaxAge(duration);
cache.SetValidUntilExpires(true);
cache.SetLastModified(context.Timestamp);
cache.SetLastModifiedFromFileDependencies();
cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
}
}
/// <summary>
/// action执行后
/// </summary>
/// <param name="filterContext"></param>
public override void OnActionExecuted(ActionExecutedContext filterContext)
{
if (this._MaxSecond <= 0)
{
return;
}
HttpCachePolicyBase cache = filterContext.HttpContext.Response.Cache;
TimeSpan cacheDuration = TimeSpan.FromSeconds(this._MaxSecond);
cache.SetCacheability(HttpCacheability.Public);
//cache.SetLastModified(DateTime.Now.AddHours(8).Add(cacheDuration));
//cache.SetExpires(DateTime.Now.AddHours(8).Add(cacheDuration));//GMT时间 格林威治时间
cache.SetExpires(DateTime.Now.Add(cacheDuration));
cache.SetMaxAge(cacheDuration);
cache.AppendCacheExtension("must-revalidate, proxy-revalidate");
}
public static void OutputCache(this HttpResponseBase response,
int numberOfSeconds,
bool sliding = false,
IEnumerable <string> varyByParams = null,
IEnumerable <string> varyByHeaders = null,
IEnumerable <string> varyByContentEncodings = null,
HttpCacheability cacheability = HttpCacheability.Public)
{
HttpCachePolicyBase cache = response.Cache;
var context = HttpContext.Current;
cache.SetCacheability(cacheability);
cache.SetExpires(context.Timestamp.AddSeconds(numberOfSeconds));
cache.SetMaxAge(new TimeSpan(0, 0, numberOfSeconds));
cache.SetValidUntilExpires(true);
cache.SetLastModified(context.Timestamp);
cache.SetSlidingExpiration(sliding);
if (varyByParams != null)
{
foreach (var p in varyByParams)
{
cache.VaryByParams[p] = true;
}
}
if (varyByHeaders != null)
{
foreach (var headerName in varyByHeaders)
{
cache.VaryByHeaders[headerName] = true;
}
}
if (varyByContentEncodings != null)
{
foreach (var contentEncoding in varyByContentEncodings)
{
cache.VaryByContentEncodings[contentEncoding] = true;
}
}
}
protected override void SendMediaHeaders(Media media, HttpContextBase context)
{
GetResponseCacheHeadersArgs args = new GetResponseCacheHeadersArgs(media.MediaData.MediaItem.InnerItem, new ResponseCacheHeaders()
{
Vary = this.GetVaryHeader(media, context)
})
{
RequestType = new RequestTypes?(RequestTypes.Media)
};
GetResponseCacheHeadersPipeline.Run(args);
HttpCachePolicyBase cache = context.Response.Cache;
if (args.CacheHeaders.LastModifiedDate.HasValue)
{
cache.SetLastModified(args.CacheHeaders.LastModifiedDate.Value);
}
if (!string.IsNullOrEmpty(args.CacheHeaders.ETag))
{
cache.SetETag(args.CacheHeaders.ETag);
}
if (args.CacheHeaders.Cacheability.HasValue)
{
cache.SetCacheability(args.CacheHeaders.Cacheability.Value);
}
if (args.CacheHeaders.MaxAge.HasValue)
{
cache.SetMaxAge(args.CacheHeaders.MaxAge.Value);
}
if (args.CacheHeaders.ExpirationDate.HasValue)
{
cache.SetExpires(args.CacheHeaders.ExpirationDate.Value);
}
if (!string.IsNullOrEmpty(args.CacheHeaders.CacheExtension))
{
cache.AppendCacheExtension(args.CacheHeaders.CacheExtension);
}
if (string.IsNullOrEmpty(args.CacheHeaders.Vary))
{
return;
}
context.Response.AppendHeader("vary", args.CacheHeaders.Vary);
}
internal static void OutputCache(
HttpContextBase httpContext,
HttpCachePolicyBase cache,
int numberOfSeconds,
bool sliding,
IEnumerable <string> varyByParams,
IEnumerable <string> varyByHeaders,
IEnumerable <string> varyByContentEncodings,
HttpCacheability cacheability
)
{
cache.SetCacheability(cacheability);
cache.SetExpires(httpContext.Timestamp.AddSeconds(numberOfSeconds));
cache.SetMaxAge(new TimeSpan(0, 0, numberOfSeconds));
cache.SetValidUntilExpires(true);
cache.SetLastModified(httpContext.Timestamp);
cache.SetSlidingExpiration(sliding);
if (varyByParams != null)
{
foreach (var p in varyByParams)
{
cache.VaryByParams[p] = true;
}
}
if (varyByHeaders != null)
{
foreach (var headerName in varyByHeaders)
{
cache.VaryByHeaders[headerName] = true;
}
}
if (varyByContentEncodings != null)
{
foreach (var contentEncoding in varyByContentEncodings)
{
cache.VaryByContentEncodings[contentEncoding] = true;
}
}
}
internal static void OutputCache(HttpContextBase httpContext,
HttpCachePolicyBase cache,
int numberOfSeconds,
bool sliding,
IEnumerable<string> varyByParams,
IEnumerable<string> varyByHeaders,
IEnumerable<string> varyByContentEncodings,
HttpCacheability cacheability)
{
cache.SetCacheability(cacheability);
cache.SetExpires(httpContext.Timestamp.AddSeconds(numberOfSeconds));
cache.SetMaxAge(new TimeSpan(0, 0, numberOfSeconds));
cache.SetValidUntilExpires(true);
cache.SetLastModified(httpContext.Timestamp);
cache.SetSlidingExpiration(sliding);
if (varyByParams != null)
{
foreach (var p in varyByParams)
{
cache.VaryByParams[p] = true;
}
}
if (varyByHeaders != null)
{
foreach (var headerName in varyByHeaders)
{
cache.VaryByHeaders[headerName] = true;
}
}
if (varyByContentEncodings != null)
{
foreach (var contentEncoding in varyByContentEncodings)
{
cache.VaryByContentEncodings[contentEncoding] = true;
}
}
}
private void SetCache(HttpCachePolicyBase cache, System.Net.Http.Headers.CacheControlHeaderValue cacheIn)
{
if (cacheIn.Public)
{
cache.SetCacheability(HttpCacheability.Public);
}
if (cacheIn.Private)
{
cache.SetCacheability(HttpCacheability.Private);
}
if (cacheIn.MaxAge != null)
{
var maxAge = cacheIn.MaxAge.Value;
if (maxAge.TotalDays < 1)
{
maxAge = TimeSpan.FromDays(30);
}
cache.SetCacheability(HttpCacheability.Public);
cache.SetMaxAge(maxAge);
cache.SetSlidingExpiration(true);
}
}
protected void SendOuptToClient(HttpContextBase context)
{
HttpResponseBase response = context.Response;
HttpCachePolicyBase cache = context.Response.Cache;
cache.SetETag(_etagCacheKey);
cache.SetLastModified(_lastModify);
cache.SetExpires(NetworkTime.Now.AddDays(_durationInDays)); // For HTTP 1.0 browsers
cache.SetOmitVaryStar(true);
cache.SetMaxAge(TimeSpan.FromDays(_durationInDays));
//cache.SetLastModified(NetworkTime.Now);
cache.SetValidUntilExpires(true);
cache.SetCacheability(HttpCacheability.Public);
cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
cache.VaryByHeaders["Accept-Encoding"] = true;// Tell proxy to cache different versions depending on Accept-Encoding
response.ContentType = "application/json";
if (response.IsClientConnected)
{
response.Flush();
}
}
public string Index(string id)
{
HttpCachePolicyBase cache = HttpContext.Response.Cache;
TimeSpan cacheDuration = TimeSpan.FromSeconds(60);
cache.SetCacheability(HttpCacheability.Public);
cache.SetExpires(DateTime.Now.Add(cacheDuration));
cache.SetMaxAge(cacheDuration);
cache.AppendCacheExtension("must-revalidate, proxy-revalidate");
Response.ContentType = "text/cache-manifest";
var model = new AppCacheViewModel(Url, id);
var appversion = ConfigurationManager.AppSettings[id];
var version = "v=" + appversion + " a=" + typeof(AppCacheController).Assembly.GetName().Version.ToString();
if (string.IsNullOrEmpty(appversion))
{
version = "a=" + typeof(AppCacheController).Assembly.GetName().Version.ToString();
}
model.PageComment = id + " cache version : " + version;
return(RenderRazorViewToString("Index", model));
}
public static void Apply(this HttpCacheOptions options, HttpCachePolicyBase policy)
{
if (policy == null)
{
return;
}
policy.SetCacheability(options.IsPublic ? HttpCacheability.Public : HttpCacheability.Private);
if (options.LastModified.HasValue)
{
policy.SetLastModified(options.LastModified.Value);
}
if (!string.IsNullOrEmpty(options.ETag))
{
policy.SetETag(options.QuotedETag);
}
if (options.MaxAge.HasValue)
{
policy.SetMaxAge(options.MaxAge.Value);
}
}
/// <summary>
/// 设置缓存过期时间
/// </summary>
/// <param name="delta">从当前开始最大的过期时间</param>
public override void SetMaxAge(TimeSpan delta)
{
_cachePolicy.SetMaxAge(delta);
}
public void Index(string name, string version, string condition)
{
HttpResponseBase response = Response;
WebResourcesSection section = ConfigurationManager.GetSection(Kooboo.Common.Web.AreaHelpers.GetAreaName(this.RouteData));
if (section == null)
{
throw new HttpException(500, "Unable to find the web resource configuration.");
}
ReferenceElement settings = section.References[name];
if (settings == null)
{
throw new HttpException(500, string.Format("Unable to find any matching web resource settings for {0}.", name));
}
Condition conditionInfo = new Condition
{
If = condition ?? string.Empty
};
// filter the files based on the condition (Action / If) passed in
IList <FileInfoElement> files = new List <FileInfoElement>();
foreach (FileInfoElement fileInfo in settings.Files)
{
if (fileInfo.If.Equals(conditionInfo.If))
{
files.Add(fileInfo);
}
}
// Ooutput Type
response.ContentType = settings.MimeType;
Stream output = response.OutputStream;
// Compress
if (section.Compress)
{
string acceptEncoding = Request.Headers["Accept-Encoding"];
if (!string.IsNullOrEmpty(acceptEncoding))
{
acceptEncoding = acceptEncoding.ToLowerInvariant();
if (acceptEncoding.Contains("gzip"))
{
response.AddHeader("Content-encoding", "gzip");
output = new GZipStream(output, CompressionMode.Compress);
}
else if (acceptEncoding.Contains("deflate"))
{
response.AddHeader("Content-encoding", "deflate");
output = new DeflateStream(output, CompressionMode.Compress);
}
}
}
// Combine
using (StreamWriter sw = new StreamWriter(output))
{
foreach (FileInfoElement fileInfo in files)
{
string content;
var dynamicResource = DynamicClientResourceFactory.Default.ResolveProvider(fileInfo.Filename);
if (dynamicResource != null)
{
content = dynamicResource.Parse(fileInfo.Filename);
}
else
{
content = System.IO.File.ReadAllText(Server.MapPath(fileInfo.Filename));
}
switch (settings.MimeType)
{
case "text/css":
content = CSSMinify.Minify(Url, fileInfo.Filename, Request.Url.AbsolutePath, content);
break;
case "text/x-javascript":
case "text/javascript":
case "text/ecmascript":
if (section.Compact && fileInfo.Compact)
{
content = JSMinify.Minify(content);
}
break;
}
sw.WriteLine(content.Trim());
}
}
// Cache
if (section.CacheDuration > 0)
{
DateTime timestamp = HttpContext.Timestamp;
HttpCachePolicyBase cache = response.Cache;
int duration = section.CacheDuration;
cache.SetCacheability(HttpCacheability.Public);
cache.SetExpires(timestamp.AddSeconds(duration));
cache.SetMaxAge(new TimeSpan(0, 0, duration));
cache.SetValidUntilExpires(true);
cache.SetLastModified(timestamp);
cache.VaryByHeaders["Accept-Encoding"] = true;
cache.VaryByParams["name"] = true;
cache.VaryByParams["version"] = true;
cache.VaryByParams["display"] = true;
cache.VaryByParams["condition"] = true;
cache.SetOmitVaryStar(true);
}
}
protected virtual void SetHttpCachePolicy(HttpCachePolicyBase policy, TemplateInfo info)
{
policy.SetCacheability(info.Cacheability);
policy.SetExpires(DateTime.Now.AddMinutes(info.CacheDuration));
policy.SetMaxAge(TimeSpan.FromMinutes(info.CacheDuration));
policy.SetValidUntilExpires(true);
policy.SetETagFromFileDependencies();
policy.SetLastModifiedFromFileDependencies();
}
