登录网站?(Jsoup) [英] Logging into a website?( Jsoup)
问题描述
使用Jsoup登录网站需要什么?我相信我的代码是正确的，但是我从未使用Jsoup成功登录到网站，因此我可能会丢失一些东西.这是我的代码:
What is required to log into a website using Jsoup? I believe my code is correct, but I have never successfully logged into a website using Jsoup so I might be missing something. Here is my code:
try {
String url = ("http://quadrigacx.com/login");
Connection.Response loginForm = (Connection.Response)Jsoup.connect(url)
.method(Connection.Method.GET)
.execute();
Document loginDoc = loginForm.parse();
Elements loginElements = loginDoc.select("input:not([name=client_id]):not([name=password])");
int i = 0;
String v[] = new String[loginElements.size()];
for (Element element: loginElements){
v[i++] = element.attr("value");
}
int ii = 0;
String n[] = new String[loginElements.size()];
for (Element element: loginElements){
n[ii++] = element.attr("name");
}
Connection.Response loginFormLogin = (Connection.Response)Jsoup.connect(url)
.cookies(loginForm.cookies())
.data(n[0],v[0])
.data("client_id", "xxxxxxx")
.data("password", "xxxxxx")
.data(n[1],v[1])
.data(n[2],v[2])
.method(Connection.Method.POST)
.execute();
Document document2 = Jsoup.connect("http://quadrigacx.com/settings")
.cookies(loginFormLogin.cookies())
.get();
System.out.print(document2.toString());
} catch (IOException ex) {
Logger.getLogger(NewJFrame.class.getName()).log(Level.SEVERE, null, ex);
}
document2返回一个登录页面，显示该页面未成功登录.有一个名为time的输入值，我认为这可能是为什么它不起作用的原因.它是随着时间的推移而上升的值.我运行了两次代码，时间变量返回了1511226860和1511226876.我的代码需要大约10秒钟来打印文档，因此time变量在发送过帐请求时可能已经更改了吗?我不确定这是否是问题.也许还有其他我没看到的东西?谢谢.
document2 returns a login page which shows it didn't successfully log in. There is a input value named time, and I think that it might be why it doesn't work. It is a value that goes up over time; I ran the code twice and the time variables returned 1511226860 and 1511226876. My code takes about 10 seconds to print the doc, so maybe the time variable has already changed by the time it sends the post request? I am not sure whether this is the problem. Maybe there is something else I'm not seeing? Thanks.
这是代码，我已经使用用户ID和密码登录后发布了身份验证. loginCookies是首次登录的cookie. Connection.Response auth = Jsoup.connect("https://quadrigacx.com/authenticate")
.userAgent("Mozilla")
.method(Connection.Method.POST)
.cookies(loginCookies)
.data("google_code", googleCode.getText())
.data("email_code", emailCode.getText())
.data("authenticate", "Authenticate")
.followRedirects(true)
.execute();
我也尝试过:
byte[] gcText = googleCode.getText().getBytes(ISO_8859_1);
String gcValue = new String(gcText, UTF_8);
byte[] ecText = emailCode.getText().getBytes(ISO_8859_1);
String ecValue = new String(ecText, UTF_8);
Connection.Response auth = Jsoup.connect("https://quadrigacx.com/authenticate")
.userAgent("Mozilla")
.method(Connection.Method.POST)
.cookies(loginCookies)
.data("google_code", gcValue)
.data("email_code", ecValue)
.data("authenticate", "Authenticate")
.followRedirects(true)
.execute();
Here is the code, I post the authenticate after I have already logged in with the user Id and password. loginCookies are the cookies from the first login. Connection.Response auth = Jsoup.connect("https://quadrigacx.com/authenticate")
.userAgent("Mozilla")
.method(Connection.Method.POST)
.cookies(loginCookies)
.data("google_code", googleCode.getText())
.data("email_code", emailCode.getText())
.data("authenticate", "Authenticate")
.followRedirects(true)
.execute();
I have also tried:
byte[] gcText = googleCode.getText().getBytes(ISO_8859_1);
String gcValue = new String(gcText, UTF_8);
byte[] ecText = emailCode.getText().getBytes(ISO_8859_1);
String ecValue = new String(ecText, UTF_8);
Connection.Response auth = Jsoup.connect("https://quadrigacx.com/authenticate")
.userAgent("Mozilla")
.method(Connection.Method.POST)
.cookies(loginCookies)
.data("google_code", gcValue)
.data("email_code", ecValue)
.data("authenticate", "Authenticate")
.followRedirects(true)
.execute();
推荐答案
您需要在请求中添加更多参数: csrf，时间，哈希
You need to add more parameters to your request: csrf, time, hash
带有空表的代码:
import org.jsoup.Connection;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Element;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Scanner;
public class Quadrigacx {
public static String[] TABLE = new String[]{}; // Add data here
public static void main(String[] args) throws IOException, NoSuchAlgorithmException {
final String URL = "https://www.quadrigacx.com/login/";
String password = "password";
String clientId = "id";
String hashPassword = getHash(new String[]{clientId, password});
Connection.Response response = Jsoup.connect(URL)
.userAgent("Mozilla")
.method(Connection.Method.GET)
.execute();
Element csrf = response.parse().select("input[name=csrf]").first();
Element time = response.parse().select("input[name=time]").first();
Element hash = response.parse().select("input[name=hash]").first();
Jsoup.connect(URL)
.userAgent("Mozilla")
.method(Connection.Method.POST)
.cookies(response.cookies())
.data("password", hashPassword)
.data("client_id", clientId)
.data("csrf", csrf.attr("value"))
.data("time", time.attr("value"))
.data("hash", hash.attr("value"))
.execute();
String googleCode = "";
while (!googleCode.matches("^(?=[0-9]+)\\d{6}$")) {
System.out.print("Please enter the Two-Factor Authentication to validate your login. (Numbers Only): ");
Scanner in = new Scanner(System.in);
googleCode = in.nextLine();
}
Jsoup.connect("https://www.quadrigacx.com/authenticate")
.userAgent("Mozilla")
.method(Connection.Method.POST)
.cookies(response.cookies())
.data("google_code", googleCode)
.data("redirect", "dash")
.data("authenticate", "Authenticate")
.execute();
response = Jsoup.connect("https://www.quadrigacx.com/dash/")
.userAgent("Mozilla")
.cookies(response.cookies())
.method(Connection.Method.GET)
.execute();
System.out.println(response.body());
}
private static String getHash(String[] loginArray) throws NoSuchAlgorithmException, UnsupportedEncodingException {
StringBuilder h = new StringBuilder();
for (String data : loginArray)
h.append(data).append(getSalt(data));
MessageDigest digest = MessageDigest.getInstance("SHA-256");
byte[] byteHash = digest.digest(h.toString().getBytes(StandardCharsets.UTF_8));
StringBuilder sb = new StringBuilder(byteHash.length * 2);
for (byte b : byteHash)
sb.append(String.format("%02x", b));
return sb.toString();
}
private static String getSalt(String arg) throws UnsupportedEncodingException {
return TABLE[getLastByte(arg)];
}
private static int getLastByte(String login) throws UnsupportedEncodingException {
final byte[] utf8Bytes = login.getBytes("UTF-8");
return utf8Bytes[utf8Bytes.length - 1];
}
}
完整的工作代码，您可以在这里找到(很长):
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