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Simulate a http post in java.net
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Maky Chopra
Ranch Hand
Joined: Apr 11, 2001
Posts: 149
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Hi All, Desparatly need some hlp here.. Any tips will be greatly appreciated. Did not get an answer anywhere else, so thought of posting in this forum.. I had posted related q's some time back.. Basically, I'm writing a java program to download a text file from the internet.. Its an https connection to a SSL 2.0 server These were the first two hurdle.. I learnt to use JSSE to connect thru https but SSL 2.0 is not supported.. Then I got a third party package called ICE SSL/ ICE STORM BROWSER and using its jar files (they inherit from java.net), I was able to connect and download from SSL 2.0 Now, if an authentication box pops up, I can use the java.net.authenticator class to authenticate myself, right ? Can this class be used for html (form based) logins ? The problem is that my url is, say, https://www.mc.com/rpps/cgi-bin/download.cgi?file.txt and I get the html of the download.cgi file (please login.. ) when I run my program. Please help.. Any way I can authenticate myself to the site for this purpose ?
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code Monkey
Greenhorn
Joined: Jun 24, 2003
Posts: 1
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For posting html forms (e.g. for login) you can use codes like URLConnection connection = url.openConnection(); connection.setDoOutput(true); PrintWriter out = new PrintWriter(connection.getOutputStream()); //getting username and pwd from an already initialized properties file. Enumeration enum = nameValuePairs.keys(); while (enum.hasMoreElements()) { String name = (String)enum.nextElement(); String value = nameValuePairs.getProperty(name); char ch; if (enum.hasMoreElements()) ch = '&'; else ch = '\n'; out.print(name + "=" + URLEncoder.encode(value) + ch); } out.close(); //if you now need to read what the server resopnds when u log in..... BufferedReader in; try { in = new BufferedReader(new InputStreamReader(connection.getInputStream())); ........ .......
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subject: Simulate a http post in java.net
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