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From: jason on 5 Jun 2010 14:14
hello!

i am trying to log in to eoddata.com using my user credentials. i am
unsure why. i have tried multiple permutations of the hidden form
values etc and have had no luck.

any assistance would be largely appreciated!!

working example (does not log me in)
package hackthisesiteapp1;

/*
*
====================================================================
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
with
* this work for additional information regarding copyright
ownership.
* The ASF licenses this file to You under the Apache License,
Version 2.0
* (the "License"); you may not use this file except in compliance
with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied.
* See the License for the specific language governing permissions
and
* limitations under the License.
*
====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* [Additional notices, if required by prior licensing conditions]
*
*/

//package org.apache.http.examples.client;


import java.util.ArrayList;
import java.util.List;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.cookie.Cookie;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.protocol.HTTP;

/**
* A example that demonstrates how HttpClient APIs can be used to
perform
* form-based logon.
*/
public class Main {

public static void main(String[] args) throws Exception {

DefaultHttpClient httpclient = new DefaultHttpClient();

HttpGet httpget = new HttpGet("http://www.eoddata.com/
default.aspx");

HttpResponse response = httpclient.execute(httpget);
HttpEntity entity = response.getEntity();

System.out.println("Login form get: " +
response.getStatusLine());
if (entity != null) {
entity.consumeContent();
}
System.out.println("Initial set of cookies:");
List<Cookie> cookies =
httpclient.getCookieStore().getCookies();
if (cookies.isEmpty()) {
System.out.println("None");
} else {
for (int i = 0; i < cookies.size(); i++) {
System.out.println("- " + cookies.get(i).toString());
}
}

HttpPost httpost = new HttpPost("http://www.eoddata.com/
default.aspx/amserver/UI/Login?" +
"org=self_registered_users&" +
"goto=/portal/dt&" +
"gotoOnFail=/portal/dt?error=true");


System.out.println(httpost);
List <NameValuePair> nvps = new ArrayList <NameValuePair>();
nvps.add(new BasicNameValuePair("IDToken1",
"myemail(a)gmail.com"));
nvps.add(new BasicNameValuePair("IDToken2", "myPW"));

httpost.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8));

response = httpclient.execute(httpost);
entity = response.getEntity();

System.out.println("Login form get: " +
response.getStatusLine());
if (entity != null) {
entity.consumeContent();
}

System.out.println("Post logon cookies:");
cookies = httpclient.getCookieStore().getCookies();
if (cookies.isEmpty()) {
System.out.println("None");
} else {
for (int i = 0; i < cookies.size(); i++) {
System.out.println("- " + cookies.get(i).toString());
}
}

// When HttpClient instance is no longer needed,
// shut down the connection manager to ensure
// immediate deallocation of all system resources
httpclient.getConnectionManager().shutdown();
}
}
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Prev: Problem even with the Hello World
Next: documentation versus contract