From fb2d81550c5639c2b11c422a03802196d7631c01 Mon Sep 17 00:00:00 2001
From: "luca0N\\!" <luca0n@luca0n.com>
Date: Wed, 3 Mar 2021 22:15:53 -0300
Subject: [PATCH] Added Tor support

Based on #2.
---
 .../luca0n/joguitos/pluck/util/ApiUtil.java   | 108 +++++++++++-------
 1 file changed, 66 insertions(+), 42 deletions(-)

diff --git a/app/src/main/java/com/luca0n/joguitos/pluck/util/ApiUtil.java b/app/src/main/java/com/luca0n/joguitos/pluck/util/ApiUtil.java
index 1d6c8ce..c4b4e83 100644
--- a/app/src/main/java/com/luca0n/joguitos/pluck/util/ApiUtil.java
+++ b/app/src/main/java/com/luca0n/joguitos/pluck/util/ApiUtil.java
@@ -23,6 +23,10 @@ Contact us at <joguitos+pluck@luca0n.com>.
 
 package com.luca0n.joguitos.pluck.util;
 
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.preference.PreferenceManager;
+
 import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
@@ -33,10 +37,14 @@ import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
+import java.net.InetSocketAddress;
+import java.net.Proxy;
 import java.net.HttpURLConnection;
 import java.net.URL;
 import java.util.ArrayList;
 
+import com.luca0n.joguitos.pluck.R;
+import com.luca0n.joguitos.pluck.PluckApplication;
 import com.luca0n.joguitos.pluck.exceptions.NoTriviaResultsException;
 import com.luca0n.joguitos.pluck.trivia.TriviaQuery;
 import com.luca0n.joguitos.pluck.trivia.TriviaQuestion;
@@ -46,60 +54,76 @@ import com.luca0n.joguitos.pluck.trivia.TriviaType;
 
 public class ApiUtil {
 
-    private static String readStream(InputStream in) throws IOException {
-        StringBuilder builder = new StringBuilder();
-        BufferedReader reader = new BufferedReader(new InputStreamReader(in), 1000);
+	private static String readStream(InputStream in) throws IOException {
+		StringBuilder builder = new StringBuilder();
+		BufferedReader reader = new BufferedReader(new InputStreamReader(in), 1000);
 
-        for (String line = reader.readLine(); line != null; line = reader.readLine()) {
-            builder.append(line);
-        }
+		for (String line = reader.readLine(); line != null; line = reader.readLine()) {
+			builder.append(line);
+		}
 
-        in.close();
-        return builder.toString();
-    }
+		in.close();
+		return builder.toString();
+	}
 
-    private static String GET(String query) throws IOException {
-        String response;
+	private static String GET(String query) throws IOException {
+		String response;
 
-        URL url = new URL(query);
-        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
+		URL url = new URL(query);
+		HttpURLConnection connection;
 
-        try {
-            InputStream in = new BufferedInputStream(connection.getInputStream());
-            response = readStream(in);
-        } finally {
-            connection.disconnect();
-        }
+		// Check if the player wants to play the game using Tor.
+		Context c = PluckApplication.getAppContext();
+		SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(c);
+		String key = c.getResources().getString(R.string.pref_network_tor);
+		// Connect without Tor by default.
+		boolean useTor = sp.getBoolean(key, false);
+		// Default Orbot SOCKS5 address.
+		String orbotSocks5Hostname = "127.0.0.1";
+		int orbotSocks5Port = 9050;
 
-        return response;
-    }
+		if (useTor)
+			connection = (HttpURLConnection) url.openConnection(
+					new Proxy(Proxy.Type.SOCKS, new InetSocketAddress(orbotSocks5Hostname, orbotSocks5Port)));
+		else
+			connection = (HttpURLConnection) url.openConnection();
 
-    public static String GET(TriviaQuery query) throws IOException {
-        return GET(query.toString());
-    }
+		try {
+			InputStream in = new BufferedInputStream(connection.getInputStream());
+			response = readStream(in);
+		} finally {
+			connection.disconnect();
+		}
 
-    public static ArrayList<TriviaQuestion> jsonToQuestionArray(String json) throws NoTriviaResultsException {
-        JsonObject jsonObject = new JsonParser().parse(json).getAsJsonObject();
+		return response;
+	}
 
-        if (jsonObject.get("response_code").getAsInt() == 1) {
-            throw new NoTriviaResultsException();
-        }
+	public static String GET(TriviaQuery query) throws IOException {
+		return GET(query.toString());
+	}
 
-        JsonArray jsonArray = jsonObject.getAsJsonArray("results");
+	public static ArrayList<TriviaQuestion> jsonToQuestionArray(String json) throws NoTriviaResultsException {
+		JsonObject jsonObject = new JsonParser().parse(json).getAsJsonObject();
 
-        ArrayList<TriviaQuestion> questions = new ArrayList<>();
+		if (jsonObject.get("response_code").getAsInt() == 1) {
+			throw new NoTriviaResultsException();
+		}
 
-        for (JsonElement element : jsonArray) {
-            JsonObject object = element.getAsJsonObject();
-            TriviaType type = TriviaType.get(object.get("type").getAsString());
+		JsonArray jsonArray = jsonObject.getAsJsonArray("results");
 
-            if (type == TriviaType.MULTIPLE) {
-                questions.add(TriviaQuestionMultiple.fromJson(object));
-            } else {
-                questions.add(TriviaQuestionBoolean.fromJson(object));
-            }
-        }
+		ArrayList<TriviaQuestion> questions = new ArrayList<>();
 
-        return questions;
-    }
+		for (JsonElement element : jsonArray) {
+			JsonObject object = element.getAsJsonObject();
+			TriviaType type = TriviaType.get(object.get("type").getAsString());
+
+			if (type == TriviaType.MULTIPLE) {
+				questions.add(TriviaQuestionMultiple.fromJson(object));
+			} else {
+				questions.add(TriviaQuestionBoolean.fromJson(object));
+			}
+		}
+
+		return questions;
+	}
 }