Java url POST request

Hello!
I need to access some information on a website but it requires login. I made some code but it doesn't work. The website is "www.sapo.pt" but the page source doesn't show the html form, so I have to use "http://pkgadmin.sapo.pt/xmlstyler.asp?post_action=%2Fcgi%2Fpkgadmin2-pca%2Fpca%2FLogin.tea&parOrg=SAPOADSL"
The html form is:
<form action="content.htm" method="post">
<table cellspacing="0" cellpadding="0" width="576" height="150" border="0" align="center">
<tr>
<td valign="top" width="320" class="mosaico_login">
<table cellspacing="0" cellpadding="0" border="0">
<tr>
<td valign="top">
<div style="height:10px"><img alt="" src="newlayout2/images/shim.gif" width="1" height="10" hspace="0"></div>
<div class="mosaico_title">username</div>
<div><input type="hidden" name="n322" value="526"><input name="IteaComponent129523" type="text" class="mosaico" style="width:150px;" size="20" maxlength="40" id="IteaComponent2"></div>
<div style="height:4px"><img alt="" src="newlayout2/images/shim.gif" width="1" height="4" hspace="0"></div>
<div class="mosaico_title">password</div>
<div><input name="IteaComponent129524" type="password" class="mosaico" style="width:150px;" size="20" maxlength="40"></div>
<div style="height:4px"><img alt="" src="newlayout2/images/shim.gif" width="1" height="4" hspace="0"></div>
<div align="right">
<table>
<tr><Input type="hidden" name="post_action" value="/cli/pkgadmin2-pca/public/Action.tea"><Input type="hidden" name="parIteaActionId" value="1341135264-1"><Input type="hidden" name="parITeaFormName" value="IteaForm129522"><td><input onmouseover="MM_swapImage('validate','','NewLayout2/images/bt_entrar_on.gif',1)" onmouseout="MM_swapImgRestore()" type="image" height="35" width="28" src="NewLayout2/images/bt_entrar_off.gif" align="right" border="0" id="validate" name="validate"></td>and this is the code I made:
          String inputNameUser;
          String inputNamePass;
          String inputLine = "";
          StringBuffer dummyLine = new StringBuffer(1024);
          int pos, firstpos = 0;
          try {
               URL ispPage = new URL("http://pkgadmin.sapo.pt/xmlstyler.asp?post_action=%2Fcgi%2Fpkgadmin2-pca%2Fpca%2FLogin.tea&parOrg=SAPOADSL");
               URLConnection ispPageConnection = ispPage.openConnection();
               BufferedReader in = new BufferedReader(new InputStreamReader(ispPageConnection.getInputStream()));
                       //this while block is because names, for the user and password field on the input tags, changes
               while((inputLine = in.readLine())!=null)
                    if((pos = inputLine.indexOf("IteaComponent"))>-1)
                         firstpos = pos;
                         if((pos = inputLine.indexOf("type", pos+1)) >-1)
                              dummyLine.append(inputLine.substring(firstpos, pos-2));
               int len = dummyLine.length();
               inputNameUser = dummyLine.substring(0, len/2);
               inputNamePass = dummyLine.substring(len/2, len);
               URL ispLogin = new URL(ispPage, "/content.htm");
               HttpURLConnection ispConnection = (HttpURLConnection)ispLogin.openConnection();
               ispConnection.setDoOutput(true);
               ispConnection.setDoInput(true);
               ispConnection.setUseCaches (false);
               ispConnection.setRequestMethod("POST");
               ispConnection.setRequestProperty("Content-type", "application/x-www-form-urlencoded");
               //ispConnection.setRequestProperty("Connection", "Keep-Alive");
               //ispConnection.setRequestProperty("Keep-Alive", "header");
               DataOutputStream outDataForm = new DataOutputStream(ispConnection.getOutputStream());
               String user = URLEncoder.encode("something@sapo", "UTF-8");
               String password = URLEncoder.encode("999999", "UTF-8");
               String content = inputNameUser+"=" + user +"&"+inputNamePass+"=" + password;
               System.out.println(content);
               outDataForm.writeBytes(content);
               outDataForm.flush();
               System.out.println(ispConnection.getResponseCode());
               outDataForm.close();
               BufferedReader inData = new BufferedReader(new InputStreamReader(ispConnection.getInputStream()));
               while((inputLine = inData.readLine()) != null)
                    System.out.println(inputLine);
               inData.close();
          catch(MalformedURLException e){}
          catch(IOException ioe){System.out.println("Error");}
           the result prints 404 for the response code, and nothing is printed on the inData stream. this stream seems to cause an IOException.
Any kind of help will be appreciated.
Thanks in advance.
P.S sorry for the bad english

Crosspost!
http://forum.java.sun.com/thread.jspa?messageID=10095495

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java.io.EOFException
at weblogic.rjvm.ResponseImpl.unmarshalReturn(ResponseImpl.java:215)
at weblogic.rmi.cluster.ClusterableRemoteRef.invoke(ClusterableRemoteRef.java:338)
at weblogic.rmi.cluster.ClusterableRemoteRef.invoke(ClusterableRemoteRef.java:252)
at weblogic.jndi.internal.ServerNamingNode_923_WLStub.lookup(Unknown Source)
at weblogic.jndi.internal.WLContextImpl.lookup(WLContextImpl.java:379)
... 58 more
Caused by: java.io.EOFException
at weblogic.rjvm.t3.MuxableSocketT3.endOfStream(MuxableSocketT3.java:383)
at weblogic.socket.SocketMuxer.deliverExceptionAndCleanup(SocketMuxer.java:737)
at weblogic.socket.SocketMuxer.deliverEndOfStream(SocketMuxer.java:684)
at weblogic.socket.SocketMuxer.readReadySocketOnce(SocketMuxer.java:845)
at weblogic.socket.SocketMuxer.readReadySocket(SocketMuxer.java:802)
at weblogic.socket.DevPollSocketMuxer.processSockets(DevPollSocketMuxer.java:120)
at weblogic.socket.SocketReaderRequest.run(SocketReaderRequest.java:29)
at weblogic.socket.SocketReaderRequest.execute(SocketReaderRequest.java:42)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:145)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:117)
It will be great if someone helps in finding out the cause....waiting for reply..
thanks,
Kshitij

I had the exact same issue and found a solution here:
http://kr.forums.oracle.com/forums/thread.jspa?threadID=755132
"The root cause of the PGE in this instance was missing Principle classes in the remote JVM. An authenticated subject's (has our custom principles) security context is propagated to the remote JVM which throws a ClassNotFoundException, this is wrapped in the PGE."

Query regarding sending XML over HTTP Post request

Hello,
I am trying to send XML data from a server to client via HTTP Post request
And vice versa � receive the data by a client
Assume that the xml data looks something like
<?xml+version="1.0"?>
So my post query will look like
http://<IP Address>:<port>/
POST /MessageReceiver.jsp HTTP/1.0
Host: www.SomeHost.net
Content-Type: application/x-www-form-urlencoded
Content-Length: 38
%3C%3Fxml%2Bversion%3D%221.0%22%3F%3E+
This information will be received by the client and converted back to xml data.
My query is - is there some library/open-source stuff that
does the process of transcoding the entity's non-ASCII characters
at the server side
and decoding the URL back to human-readable form at the client side?
i.e. I need a simple mechanism to convert
<?xml+version="1.0"?>
to
%3C%3Fxml%2Bversion%3D%221.0%22%3F%3E+
at the server side, while sending data
and do the opposite at the client side to get the xml back.
Also could some one confirm if JTidy is a right tool to check if the xml is well-formed?
Or is there any other standard tool that checks for well-formed properties of xml?
regards,
Deepak.

java.net.URLEncoder / URLDecoder?
Also could some one confirm if JTidy is a right tool to check if the xml is well-formed?No, it's for parsing HTML. An XML parser is checking for well-formedness in any case.

Reading POST-Request-Parameter-Values from WebDynPro now possible?

Hello,
in the past I always was disappointed that in WebDynPro there was no way to read POST-request-parameter-values directly after the call of a WebDynPro-Application.
The only (documented) way to read / transfer request-data into an WebDynPro-application was via "URL query string parameters" in the request URL.
The last week I forgot this restriction. I called my WebDynPro-application using a POST-Request-Parameter (cookie_guid) instead of an URL-parameter.
After noticing my mistake, I was really surprised that the WebDynPro could read / shows the the POST-Request-Value.
I didn't make any changes in the coding of my WebDynPro-Application (zvis_show_sso_cookie).
After this cognition I built the following simple HTML-formular to analyse the behavior of the WebyDynPro by calling it with an URL-Parameter (cookie_guid=Url-GUID) together with the POST-Parameter (cookie_guid = Post-Value-GUID).
After calling the WebyDynPro it reads / shows the "POST-Value" of the request !!!
(Remark: If I made a simple refresh or type directly the URL "http://hg10762.vis-extranet.de:1080/sap/bc/webdynpro/sap/zvis_show_sso_cookie?sap-language=DE&cookie_guid=Url-GUID" in the browser, the same webdynpro reads / shows the URL-Parameter-Value).
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
       "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
</head>
<body>
<form method="post" action="http://hg10762.vis-extranet.de:1080/sap/bc/webdynpro/sap/zvis_show_sso_cookie?sap-language=DE&cookie_guid=Url-GUID">
<table border="0" cellpadding="5" cellspacing="0" bgcolor="#E0E0E0">
    <tr>
      <td align="right">Cookie_GUID:</td>
      <td><input name="cookie_guid" type="text" size="30" maxlength="30" value="Post-Value-GUID"></td>
    </tr>
    <tr>
      <td>
        <input type="submit" value=" Absenden ">
        <input type="reset" value=" Abbrechen">
      </td>
    </tr>
</table>
</form>
</body>
</html>
My questions:
I there any documentation that describes the behavior of WebDynPro after calling it by using POST-Parameter values?
I believe in the past it wasn't possible to read POST-request-parameter-values in WD. Has SAP changed the functionality?
Is the behavior I described in my example above mandatory?
Regards
Steffen

As far as i know in general HTTP request GET method is standard but in SAP POST is standard. All the client request is passed as POST to the server in order to avoid the URL parameter length restriction in GET method.

Retrieve data/files fro HTTP POST request in On-Demand process

Hello,
I would like to integrate https://github.com/blueimp/jQuery-File-Upload to my APEX 4.2 application inside XE11g. I would like to use this kind of jQuery component, multiple file upload, use Drag & Drop, image resize, size limit, filter extensions etc...
This jQuery component and also others javascript uploaders sends data files to some defined URL. Developer need to build some servlet, php script or something on server side that will read files from HTTP request and stores it somewhere.
Do you know how to do it in APEX? How can I read data from HTTP POST request in PL/SQL? Now I can only call my On-Demand application process from javascript, but I am not able to read any data from HTTP POST in it.
Can I do it in APEX, or using MOD_PLSQL?
I would like to implement this:
1) some javascript uploader will call some URL of my application and sends HTTP POST with data files
2) I will read data files from HTTP POST and store them into database
3) I will create some HTTP response for javascript uploader
Thank you for some tips

I know about that existing plugin " Item Plugin - Multiple File Upload"
But I doesn't work in IE and has only basic features. Licence for commercial use is also needed. I would like to use some existing jQuery plugin. There are many of these plugins with nice features. And only one problem is that I need to create some server side process/servlet/script.. that can recieve HTTP request, get files from it and stores them into DB.

Encoding problem in call-back to hook URL (post parameters)

Hello all,
I'm encountering a character encoding problem while retrieving the content of the shopping basket from one of our provider.
After the POST request is made by the provider to our system using the hook url, when debbuging I can see that some special characters are represented with the sign '#' (after the call the ITS_IMPORT_CONTEXT).
In our case using the parameter http_content_charset with various values, including UTF-8, did not change the result.
Inspecting the HTTP traffic has highlighted the following: the encoding received from the provider is related to UTF-8, but while we are expecting the hexadecimal values, we are receiving the "Unicode code points", which are not recognized by our SAP system. For more details look at the UTF-8 encoding table found here and compare the values under column "Unicode code point" with the one under column "UTF-8 (hex.)".
As an example, for the character 'é', we are receiving the value "%E9" (the code point) instead of receiving the the hexa value : "%C3%A9".
Do you have any idee if this can be corrected on our side or if the provider must addapt the way it's sending the POST parameters?
Many thanks in advance for you help.
Best regards,
Jerome.

Hi Jason,
Indeed I had contacted the provider and informed them about the encoding problem and the fact that passing the parameter http_content_charset had no effect on the sent back encoding.
They have taken into account my request and have changed the encoding used during the request to the HOOK_URL.
Thanks to all of your for your help.
Regards,
Jerome.

How to fire Chunked POST Requests.

Hi,
Can anyone please tell me how to implement a servlet which can fire chunked POST request to the server. I have tried implementing such a servlet but it does not send the request in a chunked format.
Please let me know what headers should this POST request necessarily have ?? (Transfer-Encoding : chunked would be one).
Thanks in advance.
Saurabh

This normally isn't my area, but I saw some code yesterday which looks like what you want...
regards,
Owen
protected void process (final HttpServletRequest req, final HttpServletResponse resp) throws ServletException,
            java.io.IOException
      resp.setContentType("image/svg+xml");     // This is for SVG files only
      resp.setHeader("Transfer-Encoding", "chunked");
      // rest of code....
}

Truncated POST requests in IE 10 - In Response to NTLM Authentication

In Internet Explorer 10, the browser is incorrectly truncating HTTP POST requests and submitting unsolicited NTLM negotiate headers with a HTTP Content-Length of Zero Bytes. This results in HTTP POST parameters failing to be submitted to the
server.
Assume the following web application with a context root of:
https://w3.someapplication.net/webapplication/
Secure cookies for this site are established at the context root of this application.
To reproduce this issue, a secure session is established at a protection space deeper than the root context of the web app:
https://w3.someapplication.net/webapplication/secure/login
After establishing a secure session with the web application, some client side artifacts are retrieved from a web proxy at a higher protection space:
https://w3.someapplication.net/webapplication/somejs.js
Subsequent HTTP POST requests to a deeper protection space will result in IE incorrectly attempting to pass an unsolicited NTLM negotiate header to the server side, and the HTTP POST request will be truncated with a Zero Content-Length header:
https://w3.someapplicaiton.net/webapplication/submit/form
The result is that the HTTP POST parameters submitted to the last URL will be lost.
This is reproducible against IE6 and IE10. It does not reproduce against IE8, or any non-Microsoft browser which all behave in a sane manner.
My Questions:
Why is IE behaving this way?
What can I do to make IE behave properly? Please don't suggest that I change the entire structure of my company's website to overcome this kind of silly bug in IE.
Is there a planned fix to correct this behavior back to the proper implementation observed in IE8?
Additional details about this problem are documented by an IE Internals blogger at the following url:
http://blogs.msdn.com/b/ieinternals/archive/2010/11/22/internet-explorer-post-bodies-are-zero-bytes-in-length-when-authentication-challenges-are-expected.aspx
Michael

Yes, I have read that blog post in detail. All of the comments from Microsoft on this issue suggest making intrusive changes to the web application side to work around this "optimization". This is not an acceptable answer. This
is clearly a bug in IE. Evidence to support that this is a bug is that the behavior within IE's own browsers is not consistent; IE6 and IE10 will reproduce this issue, IE7 and IE8 will not.
I don't understand your suggestion; "ensure all paths are configured to require authentication". This is not a reasonable expectation for any normal web app. Our application does require authentication on all paths. However, when the first
authentication request goes through, a HTTP Session is established. Any subsequent request to that domain will not and should not be re-authenticated. IE making assumptions about the authentication requirements of a server side application is incorrect.
Further, even if i did re-challenge the browser for credentials on every path, regardless of whether a session is established or not, how would I handle the requirement to serve client side artifacts from a web proxy within that secure domain? Am I expected
to force my web proxy to require an NTLM header to serve up a CSS file? That is just silly.
You also suggested that my application might be incorrectly returning a 401. I can assure you, that is not the case. The flow is this:
Perform a signon to the application and retrieve some client side artifacts required by the splash page
https://w3.myapp.com/some/app/path?query=string
401 + www-negotiate response header
https://w3.myapp.com/some/app/path?query=string
browser provides a ntlm token, user is logged in, session is started
https://w3.myapp.com/some/file.js 200 response code, no challenge from the server side
Splash page is loaded; user submits a POST request
https://w3.myapp.com/some/app/path POST request fails because IE truncates the request and attaches an NTLM negotiate header with Zero Byte content length. This is an unsolicited negotiate header from IE.
Honestly, it really irritates me when people suggest we should change our entire application structure to accommodate IE bugs or "features" that are completely outside of the HTTP spec. I understand RFC4559 states that a browser MAY initiate a request
to a server which includes an unsolicited negotiate header, but it doesn't say anything about truncating the contents of that request.
No other browsers exhibit this behavior, and even the behavior within Microsoft's own product is not consistent. It is insanely frustrating as a web developer trying to deal with all of IE's little nuances.
Is there anyway this can be turned off via a registry entry? Is there any plan to fix this in a future release?

Incorrect MIME type for XML Data Connection POST requests

It appears that Xcelsius 2008u2019s XML Data Connection logic does not specify the correct MIME type for the data it sends to the server in its POST request. Using an HTTP debug proxy, I was able to see that Xcelsius sends XML data in the POST, but is setting a content-type of u201Cx-www-form-urlencodedu201D. According to the W3C spec:
http://www.w3.org/TR/html401/interact/forms.html#h-17.13.4.1
Data sent with a MIME type of u201Cxxu201D should be encoded as key?value pairs, like this:
key1=val1&key2=val2&Submit=Submit
So, what Xcelsius is doing is clearly incorrect. Worse, if your server process is a Java servlet, you may find that the POSTed data will be gobbled up by the servlet container and you wonu2019t be able to read it using a getInputStream(), or getReader() call because itu2019s already been processed by a call to the getParameter() method.
The correct mime type for POSTing an XML formatted request from Xcelsius should be "text/xml".
Wayne

Hi,
The Error #2032 your getting is due to the Flash player security.
To remove this this error you need one crossdomain Xml file in the root directory which actually provides a lot more control over who has access to your data from a SWF. The cross domain policy is attached as crossdomain.xml.
In the XML file, it is used a wildcard (*). This allows a SWF located on any machine to access your data source. You can certainly use an IP address or domain name to restrict access rather to opening it up completely. I always start with the wildcard to make sure my dashboard works, then start restricting access as necessary.
Here is a whitepaper with everything you need to know about Flash player security:
http://www.adobe.com/devnet/flashplayer/articles/flash_player_9_security.pdf
Please let me know if you need any more clarification.
Regards,
Sanjay

HTTP POST Request? How? Please Help!

Hi maybe this is a simple question. But I was able to do a GET Request from an applet to an ASP page just fine but I am having problems with the POST Request. How do you do a HTTP POST and put the parameter on the post data?
This is what I am doing:
url = new URL(queryParam);
connection = (HttpURLConnection)url.openConnection();
connection.setDoOutput(true);
connection.setRequestMethod("POST");
// IS THIS CORRECT WAY TO ADD PARAMETER TO POST
connection.setRequestProperty("name","javaguy");
BufferedReader in = new BufferedReader( new InputStreamReader( connection.getInputStream()));
String inputLine;
while ((inputLine = in.readLine()) != null)
System.out.println(inputLine);
in.close();

The setRequestProperty() method is used to add HTTP headers to the request. The way you pass "post" parameters is to send them as the body of the message in "application/x-www-form-urlencoded" form. In other words, create a string of URLEncoded "name=value" pairs delimited by '&', just like you would see in the URL when making a GET request through the browser:
String paramStr = "name=javaguy&occupation=web+developer" ;
byte[] paramBuf = paramStr.getBytes("ISO-8859-1") ;
url = new URL(queryParam);
connection = (HttpURLConnection)url.openConnection();
connection.setDoOutput(true);
connection.setRequestMethod("POST");
// THIS CORRECT WAY TO ADD PARAMETER TO POST
connection.setRequestProperty("Content-Length", Integer.toString(paramBuf.length)) ;
OutputStream out = connection.getOutputStream() ;
out.write(paramBuf) ;
out.flush() ;
out.close() ;
BufferedReader in = new BufferedReader( new InputStreamReader( connection.getInputStream()));
String inputLine;
while ((inputLine = in.readLine()) != null)
System.out.println(inputLine);
in.close();Good luck!

Java url POST request

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