Images Not Returning With 304 Response Code Due To Rewrite Module?
Jan 12, 2011
In our ASP.NET web application, we use our own class to act as a rewrite module. It takes all requests to the server, acting as a bootstrapper.
To access an image on our web application, the browser requests domain.com/ResourceItem.aspx?Id=74
Does not having a proper URI mean the server will never respond with 304 NOT MODIFIED?
how to get the 304 response, so the browser doesn't have to download each image every refresh?
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Similar Messages:
Jan 26, 2010
I use IIS 7 URL Rewrite Module and it works fine.
But My javascript code doesn't work anymore on the page (details.aspx) where i use URL Rewrite Module.
Example :
<a href="#" target="popup" onclick="wopen('note.aspx?ID=<%#CType(FormView1.DataItem, System.Data.DataRowView).Item("NoteID")%>&S=<%#CType(FormView1.DataItem, System.Data.DataRowView).Item("IsS")%>','popup',480,480); return false;">
Write a note</a>
If i disable the rule in IIS, this link works as expected.
The Rewrite rule doesn't include the note.aspx page.
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Sep 21, 2010
I'm probably going to use the URL rewrite module for IIS 7 eventually and I have a fairly straight forward question that I really can't find the answer to.
If you have a base case of:
http://yoururl.com/page.aspx?ID=7
You can obviously have it rewritten to:
http://yoururl.com/page/7 or whatever you want.
My question is this: When using this module can you still use Request.Querystring["page"] on the rewritten querystring. How does the Request.URL stuff work. Does asp.net still provide the un-rewritten url or does it provide the rewritten one.
I would assume that your C#/asp.net code is completely unaffected by the url rewriting, as that's more or less the point, but I want to be crystal clear.
Secondary question: What is the best practice for how you should code a website when using the rewritten. Should you code links in the written style, or continue using querystrings?
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Apr 9, 2010
I would like to use the Helicon ISAPI_REWRITE module to rewrite a url:
123.45.67.89/folder
to
www.site.com
I need to mask the IP/folder due to an IIS structure change. The reason why I don't want to get into, but it's valid based on the setup.
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Jun 11, 2010
The IIS URL Rewrite Module ships with 3 built-in functions:
* ToLower - returns the input string converted to lower case.
* UrlEncode - returns the input string converted to URL-encoded format. This function can be used if the substitution URL in rewrite rule contains special characters (for example non-ASCII or URI-unsafe characters).
* UrlDecode - decodes the URL-encoded input string. This function can be used to decode a condition input before matching it against a pattern.
The functions can be invoked by using the following syntax:
{function_name:any_string}
The question is: can this list be extended by introducing a Replace function that's available for changing values within a rewrite rule action or condition?
Another way to frame the question: is there any way to do a global replace on a URL coming in using this module?
It seems that you're limited to using regular expressions and back-references to construct strings - i.e. there's no search/replace mechanism to replace every instance of X with Y in {REQUEST_URI}, without knowing how many instances there are.
I've had a quick glance at the extensibility introduced in the 2.0 RTW and don't see any 'light' means of introducing this.
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Feb 19, 2010
Is it possible to use iis7 url rewrite module for html pages?
Like this:
http://www.site.com/index.html?x=newfolder =>
http://www.site.com/newfolder
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Feb 25, 2011
Hello, I'm trying to implement URL rewriting for the first time. I must use URL Rewrite Module IIS7 per my hosting company. All of the examples I have found so far will rewrite a url such as:
www.domain.com/ShowProduct.aspx?ID=233&Title=Product-Title,
to: www.domain.com/ShowProduct/ProductTitle/233. The common scenario between these examples is that the rewrite chops off the .aspx & special characters and shuffles the query string parameters around. I get how that all works. However, I had something a little different in mind and I'm not sure if it can be accomplished.
My urls currently look like this: www.domain.com/ShowProduct?ID=233, and I would like them to look like this: www.domain.com/ShowProduct/Product-Title. The way I would imagine this working is, during the rewrite, pass the ID to the db and return the Title for the new url. You see, I currently don't need to pass the Title as a query string parameter and I'd prefer to not show the ID at all. This would be ideal. Can this be accomplished? Or
will I have to add the Title as a query string param and show the ID in rewritten url?
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Feb 2, 2011
I have a website hosted on IIS7 with the url rewrite module 2.0 installed. It is run by content management that looks at the url and returns a 401 error if the current user does not have permission to view the page. This gets picked up by the asp.net url authorization module which then kicks the page over to the loginUrl page as specified in the web.config (forms authentication).
This works perfectly on my local machine - which is IIS7 and windows7.
If the url is, say, /612/some-string the user gets directed to the login page at /66/login?ReturnUrl=/612/some-string
The url rewriting looks at the first part of the url for the document id. The real url would be this: index.aspx?documentId=612
Unfortunately, when I deployed this to our staging server, the ReturnUrl isn't the rewritten url, it's the original url. This causes all sorts of problems.
The staging server is also IIS7 with the url rewrite module 2.0 installed. It's Windows 2008 server SP2. Both are running asp.net 3.5.
My only guess is that the machine.config orders the default httpModules differently, and the .net forms authentication module is jumping in before the url has been rewritten.
I'll review that soon, but in the meantime has anyone experienced this problem and solved it?
Update
I also tried changing
Response.StatusCode = 401;
to
FormsAuthentication.RedirectToLoginPage();
Which gets me a bit ahead, but still directs the user back to the url that hasn't been rewritten.
I can also do this instead of setting the 401:
string currentPage = HttpUtility.UrlEncode(Request.RawUrl);
string loginUrl = FormsAuthentication.LoginUrl + "?ReturnUrl=" + currentPage;
Response.Redirect(loginUrl);
But this seems ugly.
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May 6, 2010
I have web services built with ASP.NET and ASP.NET clients consuming them. When consuming the webservices, how would I to force the clients to use https?
I don't want to force the whole site to use https by turning on require SSL in IIS.
Can I use the IIS7 URL rewrite module to re-route http requests to https?
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Jan 18, 2010
I have the following setting in my web.config to redirect to a default page:
<defaultDocument>
<files>
<clear/>
<add value="default.aspx"/>
</files>
</defaultDocument>
For example when a user enters www.homeforhire.com they should be redirected to default.aspx (for operational reasons the user is then redirected to
www.homeforhire.com/home.aspx).
Instead an error is caught in the Rewrite module (which should not be activated). I am using an http module to perform URL rewriting.
It appears as if the default document setup is not working correctly, and the requested page ~/ is being sent to the Rewrite module, causing an error (which is then caught by my error handler and the user is redirected to the home page).
Entering www.homeforhire.com/default.aspx works correctly.
Can anyone tell me why the default document settings in the web.config do not appear to be working?
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Feb 16, 2011
I need to force every request to https://www.mysite.com (always with https and www)
The site is hosted in GoDaddy and I need to do it via IIS7 URL Rewrite Module.
I've been able to do the HTTPS redirect with the following code:
<system.webServer>
<rewrite>
<rules>
<rule name="Canonical Host Name" stopProcessing="true">
<match url="(.*)" />
<conditions>
<add input="{HTTP_HOST}" pattern="^mysite.com$" />
</conditions>
<action type="Redirect" url="https://www.mysite.com/{R:1}" redirectType="Permanent" />
</rule>
</rules>
</rewrite>
</system.webServer>
Test cases
http://mysite.com -> https://www.mysite.com OK
http://www.mysite.com -> https://www.mysite.com NOT WORKING
I guess the condition is not being satisfied when I enter www.mysite.com in the browser, so there's no redirect and the page serves as HTTP instead of HTTPS.
I think I just need to modify the condition pattern, but I have almost nothing regex knowledge and I need this asap.
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Apr 6, 2010
We recently added a URL rewrite rule for a domain to run off of a share(actual name) directory. Well the domain share.site.com references the actual virtual for www.site.com/share as far as the url rewrite goes, because the menu and images must come from www.site.com/images and such. We were fine by adding in a base tag of <base href="www.site.com" />, but we started adding in modal popup and update panels then a bunch of javascript errors started bombarding the site. Is there a reason why the URL Rewrite doesn't use the virtual directory when the URL rewrite happens? I thought they fixed this.
Message: ASP.NET Ajax client-side framework failed to load.
Line: 755
Char: 34
Code: 0
Message: Syntax error
Line: 2
Char: 1
Code: 0
Message: 'Sys' is undefined
Line: 767
Char: 1
Code: 0
Message: 'WebForm_SaveScrollPositionSubmit' is undefined
Line: 930
Char: 1
Code: 0
<rule name="share.site.com" stopProcessing="true">
<match url=".*" />
<conditions>
<add input="{HTTP_HOST}" pattern="^share.site.com" />
<add input="{PATH_INFO}" pattern="^/share/" negate="true" />
</conditions>
<action type="Rewrite" url="share{R:0}" />
</rule>
<rule name="sharesite.groupsite.com" enabled="true" stopProcessing="true">
<match url=".*" />
<conditions>
<add input="{HTTP_HOST}" pattern="^sharesite.groupsite.com" />
<add input="{PATH_INFO}" pattern="^/share/" negate="true" />
</conditions>
<action type="Rewrite" url="share{R:0}" />
</rule>
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Jul 17, 2015
I am working on URL Rewriting using RegisterRoutes.
its working fine but all css ,js and image not working when i redirect page using URL Rewrite.
my code is in global ascx is below
public static void RegisterRoutes(RouteCollection routeCollection) {
routeCollection.MapPageRoute("RouteForcategory", "Product/{Cat_Id}/{Cat_Name}", "~/ProductDetailss.aspx");
}
My image path is
<img src="images/logo.png" alt="logo">
But when i run then url and image path looking like below
http://localhost:49936/Product/3/Fruits
And my image path looked
http://localhost:49936/Product/3/images/logo.png
but above is not correct path .
When I redirect page from home page to Productdetailss.aspx then images css, directory root path are changed and its also rewrite. I dont want to rewrite css,js,and image path .
I am also used resloved url code but not working .
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May 21, 2010
I have the following code (yes it is winforms but the code could obviously just as easily be a webform).
Stream str = null;
MemoryStream ms = null;
FileStream fs = null;
try
{
[Code]....
My problem is that although the response length is correct at around 21MB, the stream is returned far too quickly (pretty much instant) and the byte array ends up being filled with only a small number of bytes. The response is clearly not returning the full file so what am I doing wrong?
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Mar 8, 2011
public class JsonBuilder
{
private StringBuilder json;
public JsonBuilder()
{
json = new StringBuilder();
}
public JsonBuilder AddObjectType(string className)
{
json.Append(""" + className + "": {");
return this;
}
public JsonBuilder Add(string key, string val)
{
json.AppendFormat(""{0}":"{1}",", key, val);
return this;
}
public JsonBuilder Add(string key, int val)
{
json.AppendFormat(""{0}":{1},", key, val);
return this;
}
public string Serialize()
{
return json.ToString().TrimEnd(new char[] { ',' }) + "}";
}
}
Here is the Web Method [WebMethod]
public static string GetPersonInfo(string pFirstName, string pLastName)
{
var json = new JsonBuilder().AddObjectType("Person");
json.Add("FirstName", "Psuedo" + pFirstName).Add("LastName", "Tally-" + pLastName);
json.Add("Address", "5035 Macleay Rd SE").Add("City", "Salem");
json.Add("State", "Oregon").Add("ZipCode", "97317").Add("Age", 99);
return json.Serialize();
}................
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Oct 11, 2010
I am generating an Excel file upon a click of a button in an update panel. It is throwing a parsing error.
If I keep the button outside the update panel it is working fine. Why isn't it working in the update Panel?
Response.ContentType = "application/vnd.ms-excel"
Response.AddHeader("Content-Disposition",
String.Format("attachment;filename={0}", filename))
Response.Clear()
Response.BinaryWrite(WriteToStream.GetBuffer)
HttpContext.Current.ApplicationInstance.CompleteRequest()
Private Function WriteToStream() As MemoryStream
'Write the stream data of workbook to the root directory
Dim file As MemoryStream = New MemoryStream
hssfworkbook.Write(file)
Return file
End Function
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Feb 1, 2011
I am not familiar much with linqtoSQL and I need a better way to write this code:
[Code]....
[Code]....
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Feb 16, 2011
I know in standard VB.Net development, you can access any form field from within a module class but I'm not sure how to do it using Web Forms.Here is my scenario:I have a Module.vb where I am putting all my Database Functionality. In each of my functions, I'm using a Try Catch construct.
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Mar 16, 2010
UrlRewritingNet to my project now i can rewrite urls but i dont wanna rewrite images css files js files etc i only want to rewrite url as you can also guess for example how do i need to edit this code to achive this
<add name="Rewrite" virtualUrl="^~/PokePokedex/(.*)/(.*).aspx"
rewriteUrlParameter="ExcludeFromClientQueryString"
destinationUrl="~/Pokedex-Pokemon.aspx?PokemonId=$1&PokemonName=$2"
ignoreCase="true" />
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Jan 17, 2011
How would you access a method in a contentpage from a code module?
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Oct 1, 2010
I have a parts.aspx page that displays correctly when user navigates to it from the menu. I also have code behind another page that redirects to to parts.aspx and when that happens everything works except the images on parts.aspx do not display, just the alternate text. The images are in an Images subfolder of the folder containing parts.aspx. So why are the images files not located? using asp 2.0, VS 2005.
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Mar 13, 2010
I've got and SqlDataSource bound to a GridView, and I'd like to return the value of one of the fields from the SqlDataSource during GridView.RowCreated (I think). At the same time, one of the fields I'm returning to the GridView has a Null value, which I'm cool with, but Runtime is complaining about it so how can I get around errors relating to Null values in my tables?
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Nov 6, 2013
I'm having trouble getting selected rows in asp.net. i tried to debug it and found out that the answer to "chkRow.Checked" is always false eventhough it is selected. I'm new to asp.net.here is my code.
Protected Sub btnApproveYes_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnApproveYes.Click
Dim modID As String = String.Empty
For Each row As GridViewRow In gvModule.Rows
[Code]......
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Feb 10, 2011
I can access a module from code behind but not from the aspx page in inline VB code <% ... %>.
I know its got to be something simple but I can't seem to find the answer anywhere.
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Jul 18, 2010
We have a web project that contain its business methods in a class library project called "Bll.dll"
some methods of Bll.dll return List<> ... from a source - that i don't remember now - told that returning Collection<> is better than returning List<> Is it a valid ? Note that i don't make any process on values returned from BLL methods .. just view it in a web page
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