Try to restore HTTP session with cookies before login in

All the HTTP clients now check, if loading the cookies was sufficient
to restore the HTTP session. If yes, we assume that we are logged in.
If not, the normal login procedure is done.

src/main/java/ctbrec/sites/bonga/BongaCamsHttpClient.java

@@ -36,6 +36,13 @@ public class BongaCamsHttpClient extends HttpClient {
             return true;
         }
 
+        boolean cookiesWorked = checkLoginSuccess();
+        if(cookiesWorked) {
+            loggedIn = true;
+            LOG.debug("Logged in with cookies");
+            return true;
+        }
+
         BlockingQueue<Boolean> queue = new LinkedBlockingQueue<>();
 
         Runnable showDialog = () -> {

src/main/java/ctbrec/sites/cam4/Cam4HttpClient.java

@@ -33,6 +33,13 @@ public class Cam4HttpClient extends HttpClient {
             return true;
         }
 
+        boolean cookiesWorked = checkLoginSuccess();
+        if(cookiesWorked) {
+            loggedIn = true;
+            LOG.debug("Logged in with cookies");
+            return true;
+        }
+
         BlockingQueue<Boolean> queue = new LinkedBlockingQueue<>();
 
         Runnable showDialog = () -> {

src/main/java/ctbrec/sites/camsoda/CamsodaHttpClient.java

@@ -39,6 +39,13 @@ public class CamsodaHttpClient extends HttpClient {
             return true;
         }
 
+        // persisted cookies might let us log in
+        if(checkLoginSuccess()) {
+            loggedIn = true;
+            LOG.debug("Logged in with cookies");
+            return true;
+        }
+
         String url = Camsoda.BASE_URI + "/api/v1/auth/login";
         FormBody body = new FormBody.Builder()
                 .add("username", Config.getInstance().getSettings().camsodaUsername)

src/main/java/ctbrec/sites/chaturbate/ChaturbateHttpClient.java

@@ -42,6 +42,16 @@ public class ChaturbateHttpClient extends HttpClient {
 
     @Override
     public boolean login() throws IOException {
+        if(loggedIn) {
+            return true;
+        }
+
+        if(checkLogin()) {
+            loggedIn = true;
+            LOG.debug("Logged in with cookies");
+            return true;
+        }
+
         try {
             Request login = new Request.Builder()
                     .url(Chaturbate.BASE_URI + "/auth/login/")
@@ -86,6 +96,24 @@ public class ChaturbateHttpClient extends HttpClient {
         return loggedIn;
     }
 
+    private boolean checkLogin() throws IOException {
+        String url = "https://chaturbate.com/p/" + Config.getInstance().getSettings().username + "/";
+        Request req = new Request.Builder().url(url).build();
+        Response resp = execute(req);
+        if (resp.isSuccessful()) {
+            String profilePage = resp.body().string();
+            try {
+                HtmlParser.getText(profilePage, "span.tokencount");
+                return true;
+            } catch(Exception e) {
+                LOG.debug("Token tag not found. Login failed");
+                return false;
+            }
+        } else {
+            throw new IOException("HTTP response: " + resp.code() + " - " + resp.message());
+        }
+    }
+
     @Override
     public Response execute(Request req, boolean requiresLogin) throws IOException {
         Response resp = super.execute(req, requiresLogin);

src/main/java/ctbrec/sites/mfc/MyFreeCamsHttpClient.java

@@ -5,11 +5,13 @@ import java.util.List;
 import java.util.NoSuchElementException;
 import java.util.Objects;
 
+import org.jsoup.select.Elements;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import ctbrec.Config;
 import ctbrec.io.HttpClient;
+import ctbrec.ui.HtmlParser;
 import okhttp3.Cookie;
 import okhttp3.CookieJar;
 import okhttp3.FormBody;
@@ -34,6 +36,12 @@ public class MyFreeCamsHttpClient extends HttpClient {
             return true;
         }
 
+        if(checkLogin()) {
+            loggedIn = true;
+            LOG.debug("Logged in with cookies");
+            return true;
+        }
+
         String username = Config.getInstance().getSettings().mfcUsername;
         String password = Config.getInstance().getSettings().mfcPassword;
         RequestBody body = new FormBody.Builder()
@@ -65,6 +73,25 @@ public class MyFreeCamsHttpClient extends HttpClient {
         }
     }
 
+    private boolean checkLogin() throws IOException {
+        Request req = new Request.Builder().url(MyFreeCams.BASE_URI + "/php/account.php?request=status").build();
+        Response resp = execute(req);
+        if(resp.isSuccessful()) {
+            String content = resp.body().string();
+            try {
+                Elements tags = HtmlParser.getTags(content, "div.content > p > b");
+                tags.get(2).text();
+                return true;
+            } catch(Exception e) {
+                LOG.debug("Token tag not found. Login failed");
+                return false;
+            }
+        } else {
+            resp.close();
+            throw new IOException(resp.code() + " " + resp.message());
+        }
+    }
+
     public WebSocket newWebSocket(Request req, WebSocketListener webSocketListener) {
         return client.newWebSocket(req, webSocketListener);
     }