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авторизация на сайте и вывод данных
#39603760
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Участник
Откуда: UZB
Сообщения: 1 151
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спасибо всем, вроде сделал, но если есть что то изменить то прошу высказаться. может не учитывал ещё некоторые вещи, или вообще не правильно делал...
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import javax.net.ssl.HttpsURLConnection;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.CookieHandler;
import java.net.CookieManager;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Base64;
import java.util.List;
public class Qwerty {
private List<String> cookies;
private HttpURLConnection conn;
private final String USER_AGENT = "Mozilla/5.0";
public static void main(String[] args) throws Exception {
String url = "https://qwerty.uz";
String query = "https://qwerty.uz/users/client.htm?id=1";
Qwerty http = new Qwerty();
// 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);
// 2. Construct above post's content and then send a POST request for
// authentication
String p = "login:password";
http.sendPost(url, p);
// 3. success then go to query.
String result = http.GetPageContent(query);
System.out.println(result);
}
private void sendPost(String url, String postParams) throws Exception {
System.out.println("+++++++++++++++++sendPOST");
URL obj = new URL(url);
conn = (HttpsURLConnection) obj.openConnection();
conn.setUseCaches(false);
conn.setRequestMethod("POST");
conn.setRequestProperty("Host", "uty.smpo.uzgps.uz");
conn.setRequestProperty("User-Agent", USER_AGENT);
conn.setRequestProperty("Accept",
"text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
conn.setRequestProperty("Accept-Language", "en-US,en;q=0.5");
conn.setRequestProperty("Connection", "keep-alive");
conn.setRequestProperty("Referer", "https://qwerty.uz");
conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
conn.setDoOutput(true);
conn.setDoInput(true);
conn.setRequestProperty("Authorization", "Basic " + Base64.getEncoder().encodeToString(postParams.getBytes()));
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);
try (BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()))) {
String inputLine;
StringBuilder response = new StringBuilder();
while ((inputLine = in.readLine()) != null) {
response.append(inputLine);
}
// System.out.println(response.toString());
}
System.out.println("-----------------sendPOST");
}
private String GetPageContent(String url) throws Exception {
System.out.println("++++++++++++++GetPageContent");
URL obj = new URL(url);
conn = (HttpsURLConnection) obj.openConnection();
// default is GET
conn.setRequestMethod("POST");
conn.setUseCaches(false);
// act like a browser
conn.setRequestProperty("User-Agent", USER_AGENT);
conn.setRequestProperty("Accept",
"text/html,application/xhtml+xml,application/xml, application/json;charset=UTF-8;q=0.9,*/*;q=0.8");
conn.setRequestProperty("Accept-Language", "en-US,en;q=0.5");
if (cookies != null) {
for (String cookie : this.cookies) {
conn.addRequestProperty("Cookie", cookie.split(";", 1)[0]);
}
}
int responseCode = conn.getResponseCode();
System.out.println("\nSending 'POST' request to URL : " + url);
System.out.println("Response Code : " + responseCode);
StringBuffer response;
try (BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()))) {
String inputLine;
response = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
response.append(inputLine+"\n");
}
}
// Get the response cookies
setCookies(conn.getHeaderFields().get("Set-Cookie"));
System.out.println("------------------GetPageContent");
return response.toString();
}
public void setCookies(List<String> cookies) {
this.cookies = cookies;
}
}
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