Web Forms :: Get Hash From Request.servervariables?
Feb 9, 2011I need to get the Hash value from url. Example:
Photos.aspx?area=photo&Id=2#22
Get the 22 after #.
How can this be done easily.
IN ASP.NET and not Javascript
I need to get the Hash value from url. Example:
Photos.aspx?area=photo&Id=2#22
Get the 22 after #.
How can this be done easily.
IN ASP.NET and not Javascript
I am trying to run this log routine in a separate thread in order to improve page load performance but I am getting an error in the line bellow: "object not set to an instance of a variable".
line error: strTempBrowser = System.Web.HttpContext.Current.Request.ServerVariables["HTTP_USER_AGENT"].ToString();
I am suspecting that Request.ServerVariables are not available during the time that the thread executes. Is there a workaround?
Page Base Class
//STATISTICS
SiteStatisticsLite sStat = new SiteStatisticsLite();
Thread oThread = new Thread(new ThreadStart(sStat.AddLog));
oThread.Start(); // Don't wait to finish, just let stat logging to occurr after page loads
public class SiteStatisticsLite
{
//SiteStatisticsLite sStat = new SiteStatisticsLite();
In an asynchronous process, I need to get the name of the domain/server the web application is running on. But in that situation HttpContext.Current is not available, so I cant use HttpContext.Current.Request.ServerVariables("SERVER_NAME").
View 7 RepliesI'm using IIS 7.0 on WS2008. I've implemented a simple login page that redirects to another simple page showing the Request.ServerVariables key/values. I'm using the built-in SQL membership provider. The website is on a DEV machine and there are no users on it.
When I login at the same time with 2 different users from 2 different locations (2 different public addresses) then one of the Request.ServerVariables page is the same as the other. That includes the client IP address which is then completely wrong. The authentication as well as the other cookies are wrong as well.
I checked the IIS log and it shows the correct client address as well as the correct login name. If I then reload the wrong page I get the correct data. Is there some concurrency issue in ASP.NET? I disabled the session and caching but I still get the same behaviour.
Both returns the incoming url, Just to know When to use Request.UrlReferrer and when Request.ServerVariables["HTTP_REFERER"] and why?Currently, in one of my application Urlreferrer is working in my local machine but its not working when went live?Additionally, its most appreciable if anyone can guide any alternative of both Urlreferrer and HTTP_REFERRER?
View 1 RepliesI am developing an internal application in .NET which tracks computer name and give access only if they match users which are in a users table in database. When i tested in my local machine and in production server, I am able to get computer name. But for few users the application just don't work since Request.ServerVariables["REMOTE_USER"] is returning empty values. For myself and even for few users we can get computer name with Request.ServerVariables["REMOTE_USER"] but for few users it returns empty values.I even tried using Request.ServerVariables["LOGON_USER"] and WindowsIdentity funtions, but still getting empty values.
View 3 Replieswhen i was working with IIS 6.0 and windows 2003 Request.ServerVariables["LOGON_USER"] is giving me the current logged in user id,
but now we have upgraded to IIS 7 and Windows 2008 if i use the same statement it is not returning me any value.
NOTE : i am using vs2005 to write my programs.
I have a feeling that Request.ServerVariables("AUTH_USER") and User.Identity.Name return the same string while using FormsAuthentication.So my question is as simple as that. Which one should i better use?
View 1 RepliesI'm not using any built in authentication mechanism, just building a simple intranet site that requires logon.BUT i was asked to retrieve the current windows logon name of the user, and authenticate him with this information.When reading the Request.ServerVariables("LOGON_USER") information from my box, everything runs fine. But this value is always blank when the application is running with IIS on my server.
View 1 RepliesHopefully someone knows a way to fix this issue, but here is my problem. I need to be able to recreate a md5 hash that will be the equivalent of the hash that php would generate.
The encoding I have tried is listed below. None of these will produce the same values.
UnicodeEncoding
UTF7Encoding
UTF8Encoding
UTF32Encoding
I want to change tha value of Request.ServerVariables["Remote_Addr"],is it Possible? if yes than how can we change? if No than why we can not change?
View 1 RepliesHow to create a hash key based on the user login? And based on that hash key how create persistent url for that user?
i.e picasa album sharing based on one identity key value.
I have a variable such as this string URL="http//:localhost, myhomepage";
how do I easily add the above into a hash table? With the url part being the key and the description being the value.
Is there a build in library in .NET that can compute secure one-way hash ? I mean a library that implements SHA-2 cryptographic hash function or something similar.
If is there is no SHA-2 implementation some weaker hash funcion would be sufficient. If there are more options I prefer the most secure one.
provide a use example e.g. provide the code that returns one-way hash for string mySampleString.
I have such URL
localhost/Login/LogOn?ReturnUrl=/#&q=my%20search%20word&f=1//447044365|2//4
I need to get hash parameters to navigate in the application after authentication.
I try to catch it like this
<input name="returnUrl" value="<%= ViewContext.HttpContext.Request.Url.PathAndQuery %>" type="hidden" />
But result is
/Login/LogOn?ReturnUrl=/
I tried to take away "/#" in the URL, then I get whole URL. But I need to use this URL as it is.
On an ASP.NET page with a tabstrip, I'm using the hash code in the URL to keep track of what tab I'm on (using the BBQ jQuery plugin). For example:
http://mysite.com/foo/home#tab=budget
Unfortunately, I've just realized that there are a couple of places on the page where I'm using an old-fashioned ASP.NET postback to do stuff, and when the postback is complete, the hash is gone:
http://mysite.com/foo/home
... so I'm whisked away to a different tab. No good.
This is a webforms site (not MVC) using .NET 4.0. As you can see, though, I am using URL routing.
Is there a way to tell ASP.NET to keep the hash in the URL following a postback?
i want to access the HTTP_REFERER server variable @ ajax call on page load event. So I have written the following code in Page_Load:
If (Request.ServerVariables("HTTP_REFERER") != null)
{
Response.Write(Request.ServerVariables("HTTP_REFERER").ToString());
[code]...
I need to pass some info to a 3rd party (for tracking) and they require I provide a checksum value which is an md5 hashed amalgamation of some of the other values. This is my code :
[Code]....
They keep rejecting my checksum. When I have tested for the following value passed in preConvert - 300265215063.79 I get :
My code gives : ED4463C84DE9D21B54C4E62F2D72CE
An online MD5 hash gives : 0ed40463c84de9d21b54c4e62f2d72ce
Which apart from the case, is exactly the same apart from missing 2 zeroes.
I am trying to incorporate facebook login in my ASP.NET web app and came across the following article which has a code sample for the same.
[URL]
The following is from the article.
Next, and most importantly, the class validates the cookie. This validation uses MD5 hashing to compare the contents of key appended to the app secret to the signature that comes in with the cookie. If these values match we know the key is valid.we know the key is valid.
Why is Md5 hashing being used for that? Why not SHA or some other algo?
What happens if I don't validate the cookie? Can invalid cookies be sent to the server?
In the article, he throws a new security exception if cookie is invalid? What should the user do in such a case?
Is this how hashed password stored in SQL Server should look like? This is function I use to hash password (I found it in some tutorial)
public string EncryptPassword(string password)
{
//we use codepage 1252 because that is what sql server uses
byte[] pwdBytes = Encoding.GetEncoding(1252).GetBytes(password);
byte[] hashBytes = System.Security.Cryptography.MD5.Create().ComputeHash(pwdBytes);
return Encoding.GetEncoding(1252).GetString(hashBytes);
}
EDIT: I tried to use sha-1 and now strings seem to look like as they are suppose to:
public string EncryptPassword(string password)
{
return FormsAuthentication.HashPasswordForStoringInConfigFile(password, "sha1");
}
// example output: 39A43BDB7827112409EFED3473F804E9E01DB4A8
Result from the image above looks like broken string, but this sha-1 looks normal....
i m trying to change my password. the password in database is in hash formatting. the class FormsAuthentication. is using for hash conversion. the password is indicating the same in if condition. but after if applying it suddenly go on else part , even the value on if condition is same.
View 2 RepliesUsing this code on the javascript side and
Using sha As New SHA256Managed
Using memStream As New MemoryStream(Encoding.ASCII.GetBytes("Hello World!"))
Dim hash() As Byte = sha.ComputeHash(memStream)
Dim res As String = Encoding.Default.GetString(hash)
End Using
End Using
I have been unable to recreate the same hash for the same values with these two bits of code.
The javascript implementation returns: 7f83b1657ff1fc53b92dc18148a1d65dfc2d4b1fa3d677284addd200126d9069
and the vb.net example returns: ƒeñüS-ÁHÖ]ü-KÖw(JÝÒ mi"
What am I missing? I assume it's something to do with the character encoding?
[code]...
Is there a way of creating a hash key that can be used by our different servers for decrypting connection strings in web.config, and how would I do that?
View 1 RepliesI've a pre-supplied public function in classic asp that creates a hash value - it is pretty complex and I'd rather not convert it to .net if at all possible (mainly as I don't understand half of what it does!) I'm running it under IIS7 on VWD2008 express. How would you call a function in that asp file? do you have to redirect or as it is #included into the asp.net file, is there an eaiser way? At the moment the complier does not spot the function and says it is not declared.
View 2 RepliesI need to create some links to the Twitter search page.
In my first example 'link1', that works fine, when you click the link you go to the twitter search results for 'wc2010'.
However, in my second link I want to search for the hashtag+wx2010, which is how data is related/grouped on Twitter. My second link always just redirects to a user called 'wc20210' which is not what I want. How can I create a link to a hashtagged word on Twitter?
string link1 = "<a href='http://www.twitter.com/search?q=wc2010'>Link 1 to Twitter</a>";
string link2 = "<a href='http://www.twitter.com/search?q=#wc2010'>Link 2 to Twitter</a>";
Response.Write(link1.ToString() + "<p>");
Response.Write(link2.ToString());