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Tracing HTTP RedirectsExample to trace through HTTP redirects.
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <% set http = Server.CreateObject("Chilkat_9_5_0.Http") ' Any string unlocks the component for the 1st 30-days. success = http.UnlockComponent("Anything for 30-day trial") If (success <> 1) Then Response.Write http.LastErrorText & "<br>" End If url = "http://www.planyourweddingonline.co.za/" ' The FollowRedirects property controls whether redirects ' are automatically followed. The default behavior is to ' automatically follow redirects. ' Explicitly set FollowRedirects so that redirects are NOT automatically taken: http.FollowRedirects = 0 ' Send the HTTP GET and return the content in a string. html = http.QuickGetStr(url) If (html = vbNullString ) Then Response.Write http.LastErrorText & "<br>" End If status = http.LastStatus Response.Write Server.HTMLEncode( "HTTP Response Status: " _ & status) & "<br>" ' The FinalRedirectUrl property will contain the redirect URL ' If FollowRedirects was equal to 1, then all of the ' intermediate redirects (if any) would be followed until ' there were no more redirects. However, because ' FollowRedirects is not 1, FinalRedirectUrl contains ' the next redirect URL. Response.Write Server.HTMLEncode( "Redirect URL: " _ & http.FinalRedirectUrl) & "<br>" loopCount = 0 Do While (status = 302) url = http.FinalRedirectUrl html = http.QuickGetStr(url) If (html = vbNullString ) Then Response.Write http.LastErrorText & "<br>" Exit Do End If status = http.LastStatus Response.Write Server.HTMLEncode( "Redirect URL: " _ & http.FinalRedirectUrl) & "<br>" ' You may wish to check that if FinalRedirectUrl ' equals the URL just retrieved. If so, then break out of the ' loop. (This check is omitted in this example.) ' Instead, this example will prevent infinite loops by ' keeping a loopCount and only allows following a max ' of 10 redirects: loopCount = loopCount + 1 If (loopCount > 10) Then Exit Do End If Loop %> </body> </html> |
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