C# - passing authentication credentials with HttpWebRequest

Question

I am working on a tool that parses html source of given urls. Some of them are password protected.

Here is my question: How can I pass authentication credentials with the HttpWebRequest? Does it require setting up a cookie? These are new grounds to me, thus examples would be very helpful.

In summary, I use the following for requests that not require an authentication.

...
HttpWebRequest request =(HttpWebRequest)WebRequest.Create(HttpUtility.UrlDecode(<URL   STRING>));
...
HttpWebResponse response =(HttpWebResponse)request.GetResponse();

Depends entirely on how the site that you're requesting from handles authentication. Can you fill in any details? (For most internet sites, you'll have to present a session cookie obtained from a logged in user.) — sblom
– sblom, Commented Jan 22, 2012 at 23:59
There is login, password and employee ID required while accessing authenticated pages in a normal way. — Luke G
– Luke G, Commented Jan 23, 2012 at 0:13

Thomas Levesque · Accepted Answer · 2012-01-22 23:59:51Z

5

For Basic authentication (not sure about other authentication schemes):

request.Credentials = new NetworkCredential("username", "password");

answered Jan 22, 2012 at 23:59

Thomas Levesque

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RBT Over a year ago

The same works well for Integrated Windows authentication scheme as well if you have domain credentials of a specific user.

Community · Accepted Answer · 2017-05-23 12:00:27Z

1

For forms authentication where a valid cookie is available in the page Context, you can use this answer.

https://stackoverflow.com/a/1589723/253131

edited May 23, 2017 at 12:00

CommunityBot

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answered Apr 25, 2014 at 9:44

Stuart

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