Added urlReader() method.

src/main/java/net/thauvin/erik/mobibot/Utils.java

@@ -32,16 +32,23 @@
 
 package net.thauvin.erik.mobibot;
 
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
 import org.apache.commons.lang3.StringUtils;
 import org.jibble.pircbot.Colors;
 import org.jsoup.Jsoup;
 
+import java.io.BufferedReader;
 import java.io.File;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.URL;
+import java.nio.charset.StandardCharsets;
 import java.time.LocalDateTime;
 import java.time.ZoneId;
 import java.time.format.DateTimeFormatter;
 import java.util.Date;
 import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
 
 /**
  * Miscellaneous utilities class.
@@ -332,6 +339,21 @@ public final class Utils {
         return info.toString();
     }
 
+    /**
+     * Reads contents of a URL.
+     *
+     * @param url The URL to read.
+     * @return The URL contents.
+     * @throws IOException If an IO error occurs.
+     */
+    @SuppressFBWarnings("SECSSSRFUC")
+    public static String urlReader(final URL url) throws IOException {
+        try (final BufferedReader reader = new BufferedReader(
+                new InputStreamReader(url.openStream(), StandardCharsets.UTF_8))) {
+            return reader.lines().collect(Collectors.joining(System.lineSeparator()));
+        }
+    }
+
     /**
      * Returns the specified date formatted as <code>yyyy-MM-dd HH:mm</code>.
      *

src/main/java/net/thauvin/erik/mobibot/modules/GoogleSearch.java

@@ -42,11 +42,8 @@ import org.jibble.pircbot.Colors;
 import org.json.JSONArray;
 import org.json.JSONObject;
 
-import java.io.BufferedReader;
 import java.io.IOException;
-import java.io.InputStreamReader;
 import java.net.URL;
-import java.net.URLConnection;
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
@@ -111,17 +108,8 @@ public final class GoogleSearch extends ThreadedModule {
                                 + "&q="
                                 + q
                                 + "&filter=1&num=5&alt=json");
-                final URLConnection conn = url.openConnection();
 
-                final StringBuilder sb = new StringBuilder();
+                final JSONObject json = new JSONObject(Utils.urlReader(url));
-                try (final BufferedReader reader =
-                             new BufferedReader(new InputStreamReader(conn.getInputStream(), StandardCharsets.UTF_8))) {
-                    String line;
-                    while ((line = reader.readLine()) != null) {
-                        sb.append(line);
-                    }
-
-                    final JSONObject json = new JSONObject(sb.toString());
                 final JSONArray ja = json.getJSONArray("items");
 
                 for (int i = 0; i < ja.length(); i++) {
@@ -130,7 +118,6 @@ public final class GoogleSearch extends ThreadedModule {
                     results.add(
                             new NoticeMessage(Utils.helpIndent(j.getString("link"), false), Colors.DARK_GREEN));
                 }
-                }
             } catch (IOException e) {
                 throw new ModuleException("searchGoogle(" + query + ')', "An error has occurred searching Google.", e);
             }

src/main/java/net/thauvin/erik/mobibot/modules/Joke.java

@@ -38,11 +38,7 @@ import net.thauvin.erik.mobibot.msg.Message;
 import net.thauvin.erik.mobibot.msg.PublicMessage;
 import org.json.JSONObject;
 
-import java.io.BufferedReader;
-import java.io.InputStreamReader;
 import java.net.URL;
-import java.net.URLConnection;
-import java.nio.charset.StandardCharsets;
 
 /**
  * The Joke module.
@@ -79,22 +75,10 @@ public final class Joke extends ThreadedModule {
     static Message randomJoke() throws ModuleException {
         try {
             final URL url = new URL(JOKE_URL);
-            final URLConnection conn = url.openConnection();
+            final JSONObject json = new JSONObject(Utils.urlReader(url));
-
-            final StringBuilder sb = new StringBuilder();
-            try (final BufferedReader reader =
-                         new BufferedReader(new InputStreamReader(conn.getInputStream(), StandardCharsets.UTF_8))) {
-                String line;
-                while ((line = reader.readLine()) != null) {
-                    sb.append(line);
-                }
-
-                final JSONObject json = new JSONObject(sb.toString());
-
             return new PublicMessage(
                     json.getJSONObject("value").get("joke").toString().replace("\\'", "'")
                         .replace("\\\"", "\""));
-            }
         } catch (Exception e) {
             throw new ModuleException("randomJoke()", "An error has occurred retrieving a random joke.", e);
         }

src/test/java/net/thauvin/erik/mobibot/UtilsTest.java

@@ -38,6 +38,8 @@ import org.testng.annotations.BeforeClass;
 import org.testng.annotations.Test;
 
 import java.io.File;
+import java.io.IOException;
+import java.net.URL;
 import java.time.LocalDateTime;
 import java.util.Calendar;
 
@@ -144,6 +146,12 @@ public class UtilsTest {
         assertThat("17 years 2 months 2 weeks 1 day 6 hours 45 minutes").isEqualTo(Utils.uptime(547800300076L));
     }
 
+    @Test
+    public void testUrlReader() throws IOException {
+        assertThat(Utils.urlReader(new URL("https://postman-echo.com/status/200"))).as("urlReader()").isEqualTo(
+                "{\"status\":200}");
+    }
+
     @Test
     public void testUtcDateTime() {
         assertThat(Utils.utcDateTime(cal.getTime())).as("utcDateTime(date)").isEqualTo("1952-02-17 12:30");