Hi! I used Proxomitron to find out that the parameters were being posted when clicking on the download button (the "SÖK" button):
__VIEWSTATE=%2FwEPDwUJMTMxNTMwMTE1D2QWAmYPZBYCAgMPZBYEAgEPZBYkAgMPPCsADQEMFCsABQ UPMDowLDA6MSwwOjIsMDozFCsAAhYEHgRUZXh0BQVCb2xhZx4ISW1hZ2VVcmwFLH4vUGFnZVRlbX BsYXRlcy9pbWFnZXMvRklfR3JlZW4tZG90LTEwcHgucG5nZBQrAAIWAh8ABQxJbnN5bnNwZXJzb2 5kFCsAAhYCHwAFBURhdHVtZBQrAAIWAh8ABRhSZWdpc3RyZXJhZCBpbnN5bnNoYW5kZWxkZAIFDw 8WAh8ABRVURUxJQVNPTkVSQSBBQiAoUFVCTClkZAIHDxAPFgQfAAUORXhwb3J0ZXJhIGRhdGEeB0 NoZWNrZWRnZGRkZAIJDw8WAh8ABRRPcmdhbmlzYXRpb25zbnVtbWVyOmRkAgsPDxYCHwAFCzU1Nj EwMy00MjQ5ZGQCDQ8PFgIfAAUXUmVnaXN0cmVyaW5nIHVwcGjDtnJ0OiBkZAIPDxAPFgQfAmgfAA UPVmlzYSBww6Ugc2vDpHJtZGRkZAIRDw8WAh8ABQVWw6RsamRkAhMPEGQQFQUNVHJhbnNha3Rpb2 5lchBBa3R1ZWxsdCBpbm5laGF2Ekhpc3Rvcmlza3QgaW5uZWhhdgVJbnN5bhlCZWZhdHRuaW5nc2 bDtnLDpG5kcmluZ2FyFQUNVHJhbnNha3Rpb25lcgdJbm5laGF2EUhpc3Rvcmlza3RJbm5laGF2BU luc3luGUJlZmF0dG5pbmdzZsO2csOkbmRyaW5nYXIUKwMFZ2dnZ2cWAQICZAIVDw8WBB8ABQZGci BvIG0eB1Zpc2libGVoZGQCFw8PFgQfAAUKMjAxMC0wNC0yOR8DaGRkAhkPDxYCHwAFBURhdHVtZG QCGw8PFgIfAAUKMjAwOS0wNC0zMGRkAh0PDxYCHwNoZGQCHw8PFgIfAQUofi9QYWdlVGVtcGxhdG VzL2ltYWdlcy9idXR0b25fc2VhcmNoLmdpZmRkAiEPDxYCHwAFDUbDtnJrbGFyaW5nYXJkZAIlDw 8WAh8ABQM1NTZkZAInDw8WAh8ABQVEYXR1bWRkAgIPDxYCHwAFEFRmbiAwOC03ODcgODEgNDRkZB gCBR5fX0NvbnRyb2xzUmVxdWlyZVBvc3RCYWNrS2V5X18WBAUUY3RsMDAkbWFpbiRvcHRFeHBvcn QFFGN0bDAwJG1haW4kb3B0U2NyZWVuBRRjdGwwMCRtYWluJG9wdFNjcmVlbgUXY3RsMDAkbWFpbi RJbWFnZUJ1dHRvbjEFFGN0bDAwJG1haW4kR3JpZFZpZXcxD2dkplQcCA16XUJKgpVj4bTiEdM5Yb Q%3D ctl00%24main%24ResultFormatGroup=optExport ctl00%24main%24DropDownList1=HistorisktInnehav ctl00%24main%24tomDate=2009-04-30 ctl00%24main%24ImageButton1.x=13 ctl00%24main%24ImageButton1.y=15 __EVENTVALIDATION=%2FwEWDwLizLyxCgLupZC3DALVvMvkCALOkpvRAwLuqaGYAgLghIvcCQL%2Fl4qFBQLYqZBBAoqhrtUDAqGXz60BAret0%2FoPArax8coKAoX27r0IAtmB4skKAv2novYCatM9TQQ4OL1ojfRmfYIduKKQ%2Fwc%3D However, posting the same parameters from HttpClient gives the following response: "<html><head><title>Object moved</title></head><body> <h2>Object moved to <a href="/PageTemplates/errorNoSess.aspx?aspxerrorpath=/SearchPage.aspx">here</a>.</h2> </body></html>" What can be the problem? I suppose it lies with the __VIEWSTATE and __EVENTVALIDATION parameters as the values for these seems a bit... strange. Best regards, Mini ________________________________ From: Christophe Marchand <[email protected]> To: HttpClient User Discussion <[email protected]> Sent: Fri, April 30, 2010 1:47:12 PM Subject: Re: Download a file by going to website and submitting a form Put a local proxy that log requests and watch out the parameters that are submitted to server. Then you will just have to change your parameters values as you need. Under windows (sometime...), I use Proxomitron Regards, Christophe Mini Traktor wrote: > Hi! > > I need to download a file using HttpClient. There is no URL that leads > directly to the file but it can be downloaded manually by following these > steps: > > 1. Go to this website: > http://insynsok.fi.se/SearchPage.aspx?bolagid=556&fromdate=2009-04-30&tomdate=2009-04-30&reporttype=2&culture=sv-SE > 2. Select the radio button "Exportera data" in the top-right corner > 3. Click the button "SÖK" > > I suppose that I should do some kind of HTTP POST, but I don't know which > parameters to post. I have tried many different combinations, such as the one > below. Do anyone know what I should do to download the file? > DefaultHttpClient httpclient = HttpPost httpost = List ><NameValuePair> nvps = nvps.add( > nvps.add(publicstaticvoidmain(String[] args) throwsException >{newDefaultHttpClient();newHttpPost("http://insynsok.fi.se/SearchPage.aspx?bolagid=556&fromdate=2009-04-30&tomdate=2009-04-30&reporttype=2&culture=sv-SE";);newArrayList > <NameValuePair>();newBasicNameValuePair("ctl00$main$ResultFormatGroup", >"optExport"));newBasicNameValuePair("__EVENTTARGET", >"ctl00$main$optExport")); // nvps.add(new >BasicNameValuePair("__EVENTTARGET", "optExport")); > // nvps.add(new BasicNameValuePair("__LASTFOCUS", "")) > // nvps.add(new BasicNameValuePair("__EVENTARGUMENT", "")); > // nvps.add(new BasicNameValuePair("__VIEWSTATE", > "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 > WdlVGVtcGxhdGVzL2ltYWdlcy9idXR0b25fc2VhcmNoLmdpZmRkAiEPDxYCHwAFDUbDtnJrbGFyaW5nYXJkZAIlDw8WAh8ABQM1NTZkZAInDw8WAh8ABQVEYXR1bWRkAgIPDxYCHwAFEFRmbiAwOC03ODcgODEgNDRkZBgCBR5fX0NvbnRyb2xzUmVxdWlyZVBvc3RCYWNrS2V5X18WBAUUY3RsMDAkbWFpbiRvcHRFeHBvcnQFFGN0bDAwJG1haW4kb3B0RXhwb3J0BRRjdGwwMCRtYWluJG9wdFNjcmVlbgUXY3RsMDAkbWFpbiRJbWFnZUJ1dHRvbjEFFGN0bDAwJG1haW4kR3JpZFZpZXcxD2dkklF4trRBFw6yMlWuT6mgCtqFIVs=")); > // nvps.add(new BasicNameValuePair("ctl00$main$ResultFormatGroup", >"optExport")); > // nvps.add(new BasicNameValuePair("ctl00$main$DropDownList1", >"HistorisktInnehav")); > // nvps.add(new BasicNameValuePair("ctl00$main$tomDate", "2009-04-30")); > // nvps.add(new BasicNameValuePair("__EVENTVALIDATION", >"/wEWDwLHzJQpAu6lkLcMAtW8y+QIAs6Sm9EDAu6poZgCAuCEi9wJAv+XioUFAtipkEECiqGu1QMCoZfPrQECt63T+g8CtrHxygoChfbuvQgC2YHiyQoC/aei9gKbrpw0ozpPrgzd2imI6M4O/LNqOw==")); > // nvps.add(new BasicNameValuePair("ctl00$main$ImageButton1", "true")); >httpost.setEntity( > HttpResponse response = httpclient.execute(httpost); > HttpEntity entity = response.getEntity(); File file = InputStream >instream = entity.getContent(); > OutputStream outstream = outstream.write(tmp, 0, l); > } > outstream.flush(); > instream.close(); > outstream.close(); > entity.consumeContent(); > httpclient.getConnectionManager().shutdown(); >}newUrlEncodedFormEntity(nvps, >HTTP.UTF_8));newFile("somefile.zip");newFileOutputStream(file); byte[] tmp >= newbyte[4096]; intl; while((l = instream.read(tmp)) != -1) { > > > --------------------------------------------------------------------- To unsubscribe, e-mail: mailto:[email protected] For additional commands, e-mail: mailto:[email protected]
