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(VB.NET) Http Follow RedirectsSee more HTTP ExamplesDemonstrates how to automatically follow redirects.
Dim http As New Chilkat.Http ' If you would like to see the HTTP session log to see how ' HTTP redirects were followed. http.SessionLogFilename = "c:/temp/qa_output/sessionLog.txt" ' Run the test using this URL. ' (Works while httpbin.org keeps the test endpoint available.) Dim url As String = "https://httpbin.org/redirect-to?url={$redirectUrl}&status_code={$statusCode}" http.SetUrlVar("redirectUrl","https://chilkatsoft.com/helloWorld.json") http.SetUrlVar("statusCode","302") Dim jsonResponse As String = http.QuickGetStr(url) If (http.LastMethodSuccess = False) Then Debug.WriteLine(http.LastErrorText) Exit Sub End If Debug.WriteLine("Response status code: " & http.LastStatus) Debug.WriteLine(jsonResponse) ' How to tell if the request was redirected, and if so, ' what was the final redirect URL? Debug.WriteLine("Was Redirected: " & http.WasRedirected) Debug.WriteLine("Final Redirect URL: " & http.FinalRedirectUrl) ' Output: ' Response status code: 200 ' { "hello": "world" } ' Was Redirected: True ' Final Redirect URL: https://chilkatsoft.com/helloWorld.json ' ----------------------------------------------- ' Here are the contents of the sessionLog.txt ' ---- Sending Sat, 30 Aug 2025 11:41:37 GMT ---- ' GET /redirect-to?url=https%3A%2F%2Fchilkatsoft.com%2FhelloWorld.json&status_code=302 HTTP/1.1 ' Host: httpbin.org ' Accept: */* ' Accept-Encoding: gzip ' ' ' ---- Received Sat, 30 Aug 2025 11:41:37 GMT ---- ' HTTP/1.1 302 FOUND ' Date: Sat, 30 Aug 2025 11:41:38 GMT ' Content-Type: text/html; charset=utf-8 ' Content-Length: 0 ' Connection: keep-alive ' Server: gunicorn/19.9.0 ' Location: https://chilkatsoft.com/helloWorld.json ' Access-Control-Allow-Origin: * ' Access-Control-Allow-Credentials: true ' ' ' ---- Sending Sat, 30 Aug 2025 11:41:38 GMT ---- ' GET /helloWorld.json HTTP/1.1 ' Host: chilkatsoft.com ' Accept: */* ' Accept-Encoding: gzip ' ' ' ---- Received Sat, 30 Aug 2025 11:41:38 GMT ---- ' HTTP/1.1 200 OK ' Content-Type: application/json ' Last-Modified: Sun, 20 Aug 2023 11:36:27 GMT ' Accept-Ranges: bytes ' ETag: "34c27f8e5ad3d91:0" ' Server: Microsoft-IIS/10.0 ' X-Powered-By: ASP.NET ' Date: Sat, 30 Aug 2025 11:41:38 GMT ' Content-Length: 22 ' ' { "hello": "world" } |
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