httpwebrequest – Page 2

C#: Writing a CookieContainer to Disk and Loading Back In For Use

November 28, 2023 by Tarik

This problem was bugging me for ages, nothing I could find worked. I worked it out, so putting that information out into the world. Answer using BinaryFormatter: public static void WriteCookiesToDisk(string file, CookieContainer cookieJar) { using(Stream stream = File.Create(file)) { try { Console.Out.Write(“Writing cookies to disk… “); BinaryFormatter formatter = new BinaryFormatter(); formatter.Serialize(stream, cookieJar); Console.Out.WriteLine(“Done.”); … Read more

How to pass credentials to httpwebrequest for accessing SharePoint Library

September 23, 2023 by Tarik

You could also use: request.Credentials = System.Net.CredentialCache.DefaultNetworkCredentials;

How to disable the “Expect: 100 continue” header in WinRT’s HttpWebRequest

September 18, 2023 by Tarik

var c = new HttpClient(); c.DefaultRequestHeaders.ExpectContinue = false;

json call with C# [duplicate]

September 10, 2023 by Tarik

In your code you don’t get the HttpResponse, so you won’t see what the server side sends you back. you need to get the Response similar to the way you get (make) the Request. So public static bool SendAnSMSMessage(string message) { var httpWebRequest = (HttpWebRequest)WebRequest.Create(“http://api.pennysms.com/jsonrpc”); httpWebRequest.ContentType = “text/json”; httpWebRequest.Method = “POST”; using (var streamWriter = … Read more

Advantages of using application/json over text/plain? [closed]

August 31, 2023 by Tarik

Let’s assume that you are talking about using JSON versus a custom format (using MIME type text/plain) for passing structured data. Performance may be broken down into different components; e.g. relative time taken to encode the content into the format, relative time taken to decode the format to give you the original content, and relative … Read more

HttpWebRequest.GetRequestStream : What it does?

August 25, 2023 by Tarik

Getting the request stream does not trigger the post, but closing the stream does. Post data is sent to the server in the following way: A connection is opened to the host Send request and headers Write Post data Wait for a response. The act of flushing and closing the stream is the final step, … Read more

Set the SecurityProtocol (Ssl3 or TLS) on the .net HttpWebRequest per request

August 24, 2023 by Tarik

Unfortunately, it doesnt look like you can customize this per service point. I would suggest that you file a feature request at the MS Connect website for this area. As a dirty workaround, you could try executing the sites that require a different security protocol in a new appdomain. Static instances are per appdomain, so … Read more

using Tor as Proxy

August 22, 2023 by Tarik

If you have privoxy installed and running you can do request.Proxy = new WebProxy(“127.0.0.1:8118”); // default privoxy port Which will enable you to make requests using tor

.NET: Is it possible to get HttpWebRequest to automatically decompress gzip’d responses?

August 22, 2023 by Tarik

Use the HttpWebRequest.AutomaticDecompression property as follows: HttpWebRequest hwr = (HttpWebRequest) WebRequest.Create(url); hwr.AutomaticDecompression = DecompressionMethods.Deflate | DecompressionMethods.GZip; It’s not necessary to manually add the Accept-Encoding HTTP header; it will automatically be added when that property is used. (Also, I know this is just example code, but the HttpWebResponse object should be placed in a using block … Read more

C# HttpWebRequest The underlying connection was closed: An unexpected error occurred on a send

August 18, 2023 by Tarik

In 4.0 version of the .Net framework the ServicePointManager.SecurityProtocol only offered two options to set: Ssl3: Secure Socket Layer (SSL) 3.0 security protocol. Tls: Transport Layer Security (TLS) 1.0 security protocol In the next release of the framework the SecurityProtocolType enumerator got extended with the newer Tls protocols, so if your application can use th … Read more