Fix login for FC2Live

FC2Live sends cookies with value "deleted" to invalidate previously set values. In the same request
they send new values, too. That confused OkHttp. We now use a custom cookie jar for FC2Live, which
ignores cookies with the value "deleted"

client/src/main/java/ctbrec/ui/sites/fc2live/Fc2FollowedUpdateService.java

@@ -67,7 +67,7 @@ public class Fc2FollowedUpdateService extends PaginatedScheduledService {
                             }
                             return models;
                         } else {
-                            throw new IOException("Request was not successful: " + content);
+                            throw new IOException("Request was not successful: " + json.toString());
                         }
                     } else {
                         throw new HttpException(resp.code(), resp.message());

common/src/main/java/ctbrec/io/HttpClient.java

@@ -43,9 +43,14 @@ public abstract class HttpClient {
 
     protected HttpClient(String name) {
         this.name = name;
+        cookieJar = createCookieJar();
         reconfigure();
     }
 
+    protected CookieJarImpl createCookieJar() {
+        return new CookieJarImpl();
+    }
+
     private void loadProxySettings() {
         ProxyType proxyType = Config.getInstance().getSettings().proxyType;
         switch (proxyType) {

common/src/main/java/ctbrec/sites/fc2live/Fc2CookieJar.java

@@ -0,0 +1,25 @@
+package ctbrec.sites.fc2live;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import ctbrec.io.CookieJarImpl;
+import okhttp3.Cookie;
+import okhttp3.HttpUrl;
+
+public class Fc2CookieJar extends CookieJarImpl {
+
+    @Override
+    public void saveFromResponse(HttpUrl url, List<Cookie> cookies) {
+        List<Cookie> sanitizedCookies = new ArrayList<>(cookies);
+        for (Iterator<Cookie> iterator = sanitizedCookies.iterator(); iterator.hasNext();) {
+            Cookie cookie = iterator.next();
+            if(cookie.value().equalsIgnoreCase("deleted")) {
+                // ignore and remove from list
+                iterator.remove();
+            }
+        }
+        super.saveFromResponse(url, sanitizedCookies);
+    }
+}

common/src/main/java/ctbrec/sites/fc2live/Fc2HttpClient.java

@@ -7,6 +7,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import ctbrec.Config;
+import ctbrec.io.CookieJarImpl;
 import ctbrec.io.HttpClient;
 import ctbrec.io.HttpException;
 import okhttp3.FormBody;
@@ -24,8 +25,14 @@ public class Fc2HttpClient extends HttpClient {
         super("fc2live");
     }
 
+    @Override
+    protected CookieJarImpl createCookieJar() {
+        return new Fc2CookieJar();
+    }
+
     @Override
     public boolean login() throws IOException {
+        LOG.debug("Login");
         if (loggedIn) {
             return true;
         }
@@ -54,14 +61,28 @@ public class Fc2HttpClient extends HttpClient {
         try(Response resp = execute(req)) {
             if(resp.isSuccessful()) {
                 String page = resp.body().string();
+                LOG.debug(page);
                 if(page.contains("Invalid e-mail address or password")) {
                     return false;
                 } else {
+                    LOG.debug("Calling https://secure.id.fc2.com/?login=done");
+                    req = new Request.Builder()
+                            .url("https://secure.id.fc2.com/?login=done")
+                            .header("Referer", "https://secure.id.fc2.com/index.php?mode=login&switch_language=en")
+                            .build();
+                    try (Response resp2 = execute(req)) {
+                        if (resp.isSuccessful()) {
+                            LOG.debug("Login complete");
                             loggedIn = true;
                             return true;
+                        } else {
+                            LOG.debug("Login failed");
+                            loggedIn = false;
+                            return false;
+                        }
+                    }
                 }
             } else {
-                resp.close();
                 LOG.error("Login failed {} {}", resp.code(), resp.message());
                 return false;
             }