/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void PostResolveRequestCache(object sender, EventArgs e)
{
HttpContext Context = HttpContext.Current;
HttpRequest Request = Context.Request;
// Skip over anything we don't care about immediately
if (!Request.Url.LocalPath.ToLower().Contains("wwsc.axd"))
return;
HttpResponse Response = Context.Response;
string acceptEncoding = Request.Headers["Accept-Encoding"];
// Start by checking whether GZip is supported by client
bool useGZip = false;
if (!string.IsNullOrEmpty(acceptEncoding) &&
acceptEncoding.ToLower().Contains("gzip"))
useGZip = true;
string resource = Request.QueryString["r"] ?? "";
if (string.IsNullOrEmpty(resource))
{
SendErrorResponse("Invalid Resource");
return;
}
//resource = Encoding.ASCII.GetString(Convert.FromBase64String(resource));
//string contentType = STR_JavaScript_ContentType;
//if (resource.ToLower().EndsWith(".css"))
// contentType = STR_Css_ContentType;
// Create a cachekey and check whether it exists
string cacheKey = Request.QueryString.ToString() + useGZip.ToString();
WebResourceCacheItem cacheItem = Context.Cache[cacheKey] as WebResourceCacheItem;
if (cacheItem != null)
{
// Yup - read cache and send to client
SendTextOutput(cacheItem.Content, cacheItem.IsCompressed, cacheItem.ContentType);
return;
}
cacheItem = new WebResourceCacheItem();
// Retrieve information about resource embedded
// Values are base64 encoded
string resourceTypeName = Request.QueryString["t"];
// Try to locate the assembly that houses the Resource
Assembly resourceAssembly = null;
// If no type is passed use the current assembly - otherwise
// run through the loaded assemblies and try to find assembly
if (string.IsNullOrEmpty(resourceTypeName))
resourceAssembly = GetType().Assembly;
else
{
Type t = ReflectionUtils.GetTypeFromName(resourceTypeName);
if (t != null)
{
resourceAssembly = t.Assembly;
if (resourceAssembly == null)
{
SendErrorResponse("Invalid Type Information");
return;
}
}
}
// Look up the WebResource Attribute and ContentType
WebResourceAttribute[] attr = resourceAssembly.GetCustomAttributes(typeof(WebResourceAttribute),false) as WebResourceAttribute[];
if (attr != null && attr.Length > 0)
{
var res = attr.Where(at => at.WebResource.ToLower() == resource).FirstOrDefault();
if (res != null)
cacheItem.ContentType = res.ContentType;
}
// otherwise default to javascript - primary use case
if (string.IsNullOrEmpty(cacheItem.ContentType) )
cacheItem.ContentType = STR_JavaScript_ContentType;
// Load the script file as a string from Resources
string script = "";
using (Stream st = resourceAssembly.GetManifestResourceStream(resource))
{
StreamReader sr = new StreamReader(st, Encoding.Default);
script = sr.ReadToEnd();
}
// Optimize the script by removing comment lines and stripping spaces
// Only applies to JavaScript
if (cacheItem.ContentType == STR_JavaScript_ContentType && !Context.IsDebuggingEnabled)
script = OptimizeScript(script);
// Now we're ready to create out output
// Don't GZip unless at least 4k
if (useGZip && script.Length > 4096)
{
cacheItem.Content = GZipMemory(script);
cacheItem.IsCompressed = true;
}
else
{
cacheItem.Content = Encoding.UTF8.GetBytes(script);
cacheItem.IsCompressed = false;
}
// Add into the cache
Context.Cache.Add(cacheKey, cacheItem, null, DateTime.UtcNow.AddDays(1), TimeSpan.Zero, CacheItemPriority.High, null);
// Write out to Response object with appropriate Client Cache settings
SendTextOutput(cacheItem.Content, cacheItem.IsCompressed, cacheItem.ContentType);
}
/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void PostResolveRequestCache(object sender, EventArgs e)
{
var Context = HttpContext.Current;
var Request = Context.Request;
// Skip over anything we don't care about immediately
if (!Request.Url.LocalPath.ToLower().Contains("wwsc.axd"))
{
return;
}
HttpResponse Response = Context.Response;
string acceptEncoding = Request.Headers["Accept-Encoding"];
// Start by checking whether GZip is supported by client
bool useGZip = false;
if (!string.IsNullOrEmpty(acceptEncoding) &&
acceptEncoding.ToLower().Contains("gzip"))
{
useGZip = true;
}
string resource = Request.QueryString["r"] ?? "";
if (string.IsNullOrEmpty(resource))
{
SendErrorResponse("Invalid Resource");
return;
}
//resource = Encoding.ASCII.GetString(Convert.FromBase64String(resource));
//string contentType = STR_JavaScript_ContentType;
//if (resource.ToLower().EndsWith(".css"))
// contentType = STR_Css_ContentType;
// Create a cachekey and check whether it exists
string cacheKey = Request.QueryString.ToString() + useGZip.ToString();
WebResourceCacheItem cacheItem = Context.Cache[cacheKey] as WebResourceCacheItem;
if (cacheItem != null)
{
// Yup - read cache and send to client
SendTextOutput(cacheItem.Content, cacheItem.IsCompressed, cacheItem.ContentType);
return;
}
cacheItem = new WebResourceCacheItem();
// Retrieve information about resource embedded
// Values are base64 encoded
string resourceTypeName = Request.QueryString["t"];
// Try to locate the assembly that houses the Resource
Assembly resourceAssembly = null;
// If no type is passed use the current assembly - otherwise
// run through the loaded assemblies and try to find assembly
if (string.IsNullOrEmpty(resourceTypeName))
{
resourceAssembly = GetType().Assembly;
}
else
{
Type t = ReflectionUtils.GetTypeFromName(resourceTypeName);
if (t != null)
{
resourceAssembly = t.Assembly;
if (resourceAssembly == null)
{
SendErrorResponse("Invalid Type Information");
return;
}
}
}
// Look up the WebResource Attribute and ContentType
WebResourceAttribute[] attr = resourceAssembly.GetCustomAttributes(typeof(WebResourceAttribute), false) as WebResourceAttribute[];
if (attr != null && attr.Length > 0)
{
var res = attr.Where(at => at.WebResource.ToLower() == resource).FirstOrDefault();
if (res != null)
{
cacheItem.ContentType = res.ContentType;
}
}
// otherwise default to javascript - primary use case
if (string.IsNullOrEmpty(cacheItem.ContentType))
{
cacheItem.ContentType = STR_JavaScript_ContentType;
}
// Load the script file as a string from Resources
string script = "";
using (Stream st = resourceAssembly.GetManifestResourceStream(resource))
{
StreamReader sr = new StreamReader(st, Encoding.Default);
script = sr.ReadToEnd();
}
// Optimize the script by removing comment lines and stripping spaces
// Only applies to JavaScript
if (cacheItem.ContentType == STR_JavaScript_ContentType && !Context.IsDebuggingEnabled)
{
script = OptimizeScript(script);
}
// Now we're ready to create out output
// Don't GZip unless at least 4k
if (useGZip && script.Length > 4096)
{
cacheItem.Content = GZipMemory(script);
cacheItem.IsCompressed = true;
}
else
{
cacheItem.Content = Encoding.UTF8.GetBytes(script);
cacheItem.IsCompressed = false;
}
// Add into the cache
Context.Cache.Add(cacheKey, cacheItem, null, DateTime.UtcNow.AddDays(1), TimeSpan.Zero, CacheItemPriority.High, null);
// Write out to Response object with appropriate Client Cache settings
SendTextOutput(cacheItem.Content, cacheItem.IsCompressed, cacheItem.ContentType);
}