학교(
http://eclass.seoultech.ac.kr/ilos/main/main_form.acl) eclass에 로그인 해서 교수님 정보와 수강 과목 정보를 받아오고 싶습니다. jsoup 라이브러리를 사용하는데 로그인이 안됩니다. gmail 로그인하는 소스코드를 이용해서 거의 비슷하게 했는데 왜 안되는지 모르겠습니다. 아이디와 비밀번호는 맞게 입력했는데 쿠키를 받는 부분에서 뭐가 잘못된건지 아니면 아이디와 비밀번호 말고 다른 정보가 넘어가는데 그걸 못찾아서 못넘어가는건지 도저히 모르겠습니다. stackoverflow랑 해외 연관 게시물을 다 뒤져봐도 안나오네요. 일단 이클립스에서 돌려보고 스튜디오에서 editText값을 받아와서 하는게 목표입니다.
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.CookieHandler;
import java.net.CookieManager;
import java.net.URL;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import javax.annotation.processing.SupportedSourceVersion;
import javax.net.ssl.HttpsURLConnection;
import java.net.*;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
public class EclassParsing {
private List<String> cookies;
private HttpURLConnection conn;
private final String USER_AGENT = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.80 Safari/537.36";
public static void main(String[] args) throws Exception {
String url = "
http://eclass.seoultech.ac.kr/ilos/main/member/login_form.acl";
String eclass_inf = "
http://eclass.seoultech.ac.kr/ilos/mp/mypage_main_form.acl";
EclassParsing http = new EclassParsing();
// make sure cookies is turn on
CookieHandler.setDefault(new CookieManager());
// 1. Send a "GET" request, so that you can extract the form's data.
String page = http.GetPageContent(url);
String postParams = http.getFormParams(page, "아이디", "비밀번호");
// 2. Construct above post's content and then send a POST request for
// authentication
http.sendPost(url, postParams);
// 3. success then go to gmail.
String result = http.GetPageContent(eclass_inf);
System.out.println(result);
}
private void sendPost(String url, String postParams) throws Exception {
URL obj = new URL(url);
conn = (HttpURLConnection) obj.openConnection();
// Acts like a browser
conn.setUseCaches(false);
conn.setRequestMethod("POST");
conn.setRequestProperty("Host", "eclass.seoultech.ac.kr");
conn.setRequestProperty("User-Agent", USER_AGENT);
conn.setRequestProperty("Accept",
"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8");
conn.setRequestProperty("Accept-Language", "ko-KR,ko;q=0.8,en-US;q=0.6,en;q=0.4");
conn.setRequestProperty("Cache-Control", "max-age=0");
for (String cookie : this.cookies) {
conn.addRequestProperty("Cookie", cookie.split(";", 1)[0]);
}
conn.setRequestProperty("Connection", "keep-alive");
conn.setRequestProperty("Referer", "
http://eclass.seoultech.ac.kr/ilos/main/main_form.acl");
conn.setRequestProperty("Upgrade-Insecure-Requests", "1");
//conn.setRequestProperty("Content-Type", "text/html; charset=utf-8");
//conn.setRequestProperty("Content-Length", Integer.toString(postParams.length()));
conn.setDoOutput(true);
conn.setDoInput(true);
// Send post request
DataOutputStream wr = new DataOutputStream(conn.getOutputStream());
wr.writeBytes(postParams);
wr.flush();
wr.close();
int responseCode = conn.getResponseCode();
System.out.println("\nSending 'POST' request to URL : " + url);
System.out.println("Post parameters : " + postParams);
System.out.println("Response Code : " + responseCode);
BufferedReader in =
new BufferedReader(new InputStreamReader(conn.getInputStream()));
String inputLine;
StringBuffer response = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
response.append(inputLine);
}
in.close();
//System.out.println(response.toString());
}
private String GetPageContent(String url) throws Exception {
URL obj = new URL(url);
conn = (HttpURLConnection) obj.openConnection();
// default is GET
conn.setRequestMethod("GET");
conn.setUseCaches(false);
// act like a browser
conn.setRequestProperty("User-Agent", USER_AGENT);
conn.setRequestProperty("Accept",
"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8");
conn.setRequestProperty("Accept-Language", "ko-KR,ko;q=0.8,en-US;q=0.6,en;q=0.4");
if (cookies != null) {
for (String cookie : this.cookies) {
conn.addRequestProperty("cookie", cookie.split(";", 50)[0]);
System.out.println(cookie);
}
}
int responseCode = conn.getResponseCode();
System.out.println("\nSending 'GET' request to URL : " + url);
System.out.println("Response Code : " + responseCode);
BufferedReader in =
new BufferedReader(new InputStreamReader(conn.getInputStream()));
String inputLine;
StringBuffer response = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
response.append(inputLine);
}
in.close();
// Get the response cookies
setCookies(conn.getHeaderFields().get("Set-Cookie"));
//System.out.println(response);
return response.toString();
}
public String getFormParams(String html, String usr_id, String usr_pwd)
throws UnsupportedEncodingException {
System.out.println("Extracting form's data...");
Document doc = Jsoup.parse(html);
// Google form id
Element loginform = doc.getElementById("myform");
Elements inputElements = loginform.getElementsByTag("input");
List<String> paramList = new ArrayList<String>();
for (Element inputElement : inputElements) {
String key = inputElement.attr("name");
String value = inputElement.attr("value");
/*if (key.equals("returnURL")){
value = "";
paramList.add(key + "=" + URLEncoder.encode(value, "UTF-8"));}*/
if (key.equals("usr_id")){
value = usr_id;
paramList.add(key + "=" + URLEncoder.encode(value, "UTF-8"));}
else if (key.equals("usr_pwd")){
value = usr_pwd;
paramList.add(key + "=" + URLEncoder.encode(value, "UTF-8"));}
}
// build parameters list
StringBuilder result = new StringBuilder();
for (String param : paramList) {
if (result.length() == 0) {
result.append(param);
} else {
result.append("&" + param);
}
}
return result.toString();
}
public List<String> getCookies() {
return cookies;
}
public void setCookies(List<String> cookies) {
this.cookies = cookies;
}
}