diff --git a/src/com/massivecraft/massivecore/MassiveCoreMConf.java b/src/com/massivecraft/massivecore/MassiveCoreMConf.java index be24bd33..8f3beebf 100644 --- a/src/com/massivecraft/massivecore/MassiveCoreMConf.java +++ b/src/com/massivecraft/massivecore/MassiveCoreMConf.java @@ -175,11 +175,11 @@ public class MassiveCoreMConf extends Entity public boolean sponsorEnabled = true; // -------------------------------------------- // - // MCSTATS + // METRICS // -------------------------------------------- // - // URL connections to http://mcstats.org/ + // URL connections to https://bstats.org - public boolean mcstatsEnabled = true; + public boolean metricsEnabled = true; // -------------------------------------------- // // LORE SORTING diff --git a/src/com/massivecraft/massivecore/MassivePlugin.java b/src/com/massivecraft/massivecore/MassivePlugin.java index 86895b8c..b0993745 100644 --- a/src/com/massivecraft/massivecore/MassivePlugin.java +++ b/src/com/massivecraft/massivecore/MassivePlugin.java @@ -20,7 +20,6 @@ import org.bukkit.command.ConsoleCommandSender; import org.bukkit.event.Listener; import org.bukkit.plugin.java.JavaPlugin; -import java.io.IOException; import java.lang.reflect.Modifier; import java.util.Arrays; import java.util.Collection; @@ -152,14 +151,13 @@ public abstract class MassivePlugin extends JavaPlugin implements Listener, Name public void onEnablePost() { // Metrics - if (MassiveCoreMConf.get().mcstatsEnabled) + if (MassiveCoreMConf.get().metricsEnabled) { try { - MetricsLite metrics = new MetricsLite(this); - metrics.start(); + new Metrics(this); } - catch (IOException e) + catch (RuntimeException e) { String message = Txt.parse("Metrics Initialization Failed :'("); log(message); diff --git a/src/com/massivecraft/massivecore/Metrics.java b/src/com/massivecraft/massivecore/Metrics.java new file mode 100644 index 00000000..bae08b80 --- /dev/null +++ b/src/com/massivecraft/massivecore/Metrics.java @@ -0,0 +1,667 @@ +package com.massivecraft.massivecore; + +import org.bukkit.Bukkit; +import org.bukkit.configuration.file.YamlConfiguration; +import org.bukkit.entity.Player; +import org.bukkit.plugin.RegisteredServiceProvider; +import org.bukkit.plugin.ServicePriority; +import org.bukkit.plugin.java.JavaPlugin; +import org.json.simple.JSONArray; +import org.json.simple.JSONObject; + +import javax.net.ssl.HttpsURLConnection; +import java.io.ByteArrayOutputStream; +import java.io.DataOutputStream; +import java.io.File; +import java.io.IOException; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.net.URL; +import java.util.ArrayList; +import java.util.Collection; +import java.util.List; +import java.util.Map; +import java.util.Timer; +import java.util.TimerTask; +import java.util.UUID; +import java.util.concurrent.Callable; +import java.util.logging.Level; +import java.util.zip.GZIPOutputStream; + +/** + * bStats collects some data for plugin authors. + * + * Check out https://bStats.org/ to learn more about bStats! + */ +public class Metrics { + + static { + // You can use the property to disable the check in your test environment + if (System.getProperty("bstats.relocatecheck") == null || !System.getProperty("bstats.relocatecheck").equals("false")) { + // Maven's Relocate is clever and changes strings, too. So we have to use this little "trick" ... :D + final String defaultPackage = new String( + new byte[]{'o', 'r', 'g', '.', 'b', 's', 't', 'a', 't', 's', '.', 'b', 'u', 'k', 'k', 'i', 't'}); + final String examplePackage = new String(new byte[]{'y', 'o', 'u', 'r', '.', 'p', 'a', 'c', 'k', 'a', 'g', 'e'}); + // We want to make sure nobody just copy & pastes the example and use the wrong package names + if (Metrics.class.getPackage().getName().equals(defaultPackage) || Metrics.class.getPackage().getName().equals(examplePackage)) { + throw new IllegalStateException("bStats Metrics class has not been relocated correctly!"); + } + } + } + + // The version of this bStats class + public static final int B_STATS_VERSION = 1; + + // The url to which the data is sent + private static final String URL = "https://bStats.org/submitData/bukkit"; + + // Should failed requests be logged? + private static boolean logFailedRequests; + + // The uuid of the server + private static String serverUUID; + + // The plugin + private final JavaPlugin plugin; + + // A list with all custom charts + private final List charts = new ArrayList<>(); + + /** + * Class constructor. + * + * @param plugin The plugin which stats should be submitted. + */ + public Metrics(JavaPlugin plugin) { + if (plugin == null) { + throw new IllegalArgumentException("Plugin cannot be null!"); + } + this.plugin = plugin; + + // Get the config file + File bStatsFolder = new File(plugin.getDataFolder().getParentFile(), "bStats"); + File configFile = new File(bStatsFolder, "config.yml"); + YamlConfiguration config = YamlConfiguration.loadConfiguration(configFile); + + // Check if the config file exists + if (!config.isSet("serverUuid")) { + + // Add default values + config.addDefault("enabled", true); + // Every server gets it's unique random id. + config.addDefault("serverUuid", UUID.randomUUID().toString()); + // Should failed request be logged? + config.addDefault("logFailedRequests", false); + + // Inform the server owners about bStats + config.options().header( + "bStats collects some data for plugin authors like how many servers are using their plugins.\n" + + "To honor their work, you should not disable it.\n" + + "This has nearly no effect on the server performance!\n" + + "Check out https://bStats.org/ to learn more :)" + ).copyDefaults(true); + try { + config.save(configFile); + } catch (IOException ignored) { } + } + + // Load the data + serverUUID = config.getString("serverUuid"); + logFailedRequests = config.getBoolean("logFailedRequests", false); + if (config.getBoolean("enabled", true)) { + boolean found = false; + // Search for all other bStats Metrics classes to see if we are the first one + for (Class service : Bukkit.getServicesManager().getKnownServices()) { + try { + service.getField("B_STATS_VERSION"); // Our identifier :) + found = true; // We aren't the first + break; + } catch (NoSuchFieldException ignored) { } + } + // Register our service + Bukkit.getServicesManager().register(Metrics.class, this, plugin, ServicePriority.Normal); + if (!found) { + // We are the first! + startSubmitting(); + } + } + } + + /** + * Adds a custom chart. + * + * @param chart The chart to add. + */ + public void addCustomChart(CustomChart chart) { + if (chart == null) { + throw new IllegalArgumentException("Chart cannot be null!"); + } + charts.add(chart); + } + + /** + * Starts the Scheduler which submits our data every 30 minutes. + */ + private void startSubmitting() { + final Timer timer = new Timer(true); // We use a timer cause the Bukkit scheduler is affected by server lags + timer.scheduleAtFixedRate(new TimerTask() { + @Override + public void run() { + if (!plugin.isEnabled()) { // Plugin was disabled + timer.cancel(); + return; + } + // Nevertheless we want our code to run in the Bukkit main thread, so we have to use the Bukkit scheduler + // Don't be afraid! The connection to the bStats server is still async, only the stats collection is sync ;) + Bukkit.getScheduler().runTask(plugin, new Runnable() { + @Override + public void run() { + submitData(); + } + }); + } + }, 1000*60*5, 1000*60*30); + // Submit the data every 30 minutes, first time after 5 minutes to give other plugins enough time to start + // WARNING: Changing the frequency has no effect but your plugin WILL be blocked/deleted! + // WARNING: Just don't do it! + } + + /** + * Gets the plugin specific data. + * This method is called using Reflection. + * + * @return The plugin specific data. + */ + public JSONObject getPluginData() { + JSONObject data = new JSONObject(); + + String pluginName = plugin.getDescription().getName(); + String pluginVersion = plugin.getDescription().getVersion(); + + data.put("pluginName", pluginName); // Append the name of the plugin + data.put("pluginVersion", pluginVersion); // Append the version of the plugin + JSONArray customCharts = new JSONArray(); + for (CustomChart customChart : charts) { + // Add the data of the custom charts + JSONObject chart = customChart.getRequestJsonObject(); + if (chart == null) { // If the chart is null, we skip it + continue; + } + customCharts.add(chart); + } + data.put("customCharts", customCharts); + + return data; + } + + /** + * Gets the server specific data. + * + * @return The server specific data. + */ + private JSONObject getServerData() { + // Minecraft specific data + int playerAmount; + try { + // Around MC 1.8 the return type was changed to a collection from an array, + // This fixes java.lang.NoSuchMethodError: org.bukkit.Bukkit.getOnlinePlayers()Ljava/util/Collection; + Method onlinePlayersMethod = Class.forName("org.bukkit.Server").getMethod("getOnlinePlayers"); + playerAmount = onlinePlayersMethod.getReturnType().equals(Collection.class) + ? ((Collection) onlinePlayersMethod.invoke(Bukkit.getServer())).size() + : ((Player[]) onlinePlayersMethod.invoke(Bukkit.getServer())).length; + } catch (Exception e) { + playerAmount = Bukkit.getOnlinePlayers().size(); // Just use the new method if the Reflection failed + } + int onlineMode = Bukkit.getOnlineMode() ? 1 : 0; + String bukkitVersion = org.bukkit.Bukkit.getVersion(); + bukkitVersion = bukkitVersion.substring(bukkitVersion.indexOf("MC: ") + 4, bukkitVersion.length() - 1); + + // OS/Java specific data + String javaVersion = System.getProperty("java.version"); + String osName = System.getProperty("os.name"); + String osArch = System.getProperty("os.arch"); + String osVersion = System.getProperty("os.version"); + int coreCount = Runtime.getRuntime().availableProcessors(); + + JSONObject data = new JSONObject(); + + data.put("serverUUID", serverUUID); + + data.put("playerAmount", playerAmount); + data.put("onlineMode", onlineMode); + data.put("bukkitVersion", bukkitVersion); + + data.put("javaVersion", javaVersion); + data.put("osName", osName); + data.put("osArch", osArch); + data.put("osVersion", osVersion); + data.put("coreCount", coreCount); + + return data; + } + + /** + * Collects the data and sends it afterwards. + */ + private void submitData() { + final JSONObject data = getServerData(); + + JSONArray pluginData = new JSONArray(); + // Search for all other bStats Metrics classes to get their plugin data + for (Class service : Bukkit.getServicesManager().getKnownServices()) { + try { + service.getField("B_STATS_VERSION"); // Our identifier :) + + for (RegisteredServiceProvider provider : Bukkit.getServicesManager().getRegistrations(service)) { + try { + pluginData.add(provider.getService().getMethod("getPluginData").invoke(provider.getProvider())); + } catch (NullPointerException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ignored) { } + } + } catch (NoSuchFieldException ignored) { } + } + + data.put("plugins", pluginData); + + // Create a new thread for the connection to the bStats server + new Thread(new Runnable() { + @Override + public void run() { + try { + // Send the data + sendData(data); + } catch (Exception e) { + // Something went wrong! :( + if (logFailedRequests) { + plugin.getLogger().log(Level.WARNING, "Could not submit plugin stats of " + plugin.getName(), e); + } + } + } + }).start(); + } + + /** + * Sends the data to the bStats server. + * + * @param data The data to send. + * @throws Exception If the request failed. + */ + private static void sendData(JSONObject data) throws Exception { + if (data == null) { + throw new IllegalArgumentException("Data cannot be null!"); + } + if (Bukkit.isPrimaryThread()) { + throw new IllegalAccessException("This method must not be called from the main thread!"); + } + HttpsURLConnection connection = (HttpsURLConnection) new URL(URL).openConnection(); + + // Compress the data to save bandwidth + byte[] compressedData = compress(data.toString()); + + // Add headers + connection.setRequestMethod("POST"); + connection.addRequestProperty("Accept", "application/json"); + connection.addRequestProperty("Connection", "close"); + connection.addRequestProperty("Content-Encoding", "gzip"); // We gzip our request + connection.addRequestProperty("Content-Length", String.valueOf(compressedData.length)); + connection.setRequestProperty("Content-Type", "application/json"); // We send our data in JSON format + connection.setRequestProperty("User-Agent", "MC-Server/" + B_STATS_VERSION); + + // Send data + connection.setDoOutput(true); + DataOutputStream outputStream = new DataOutputStream(connection.getOutputStream()); + outputStream.write(compressedData); + outputStream.flush(); + outputStream.close(); + + connection.getInputStream().close(); // We don't care about the response - Just send our data :) + } + + /** + * Gzips the given String. + * + * @param str The string to gzip. + * @return The gzipped String. + * @throws IOException If the compression failed. + */ + private static byte[] compress(final String str) throws IOException { + if (str == null) { + return null; + } + ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); + GZIPOutputStream gzip = new GZIPOutputStream(outputStream); + gzip.write(str.getBytes("UTF-8")); + gzip.close(); + return outputStream.toByteArray(); + } + + /** + * Represents a custom chart. + */ + public static abstract class CustomChart { + + // The id of the chart + final String chartId; + + /** + * Class constructor. + * + * @param chartId The id of the chart. + */ + CustomChart(String chartId) { + if (chartId == null || chartId.isEmpty()) { + throw new IllegalArgumentException("ChartId cannot be null or empty!"); + } + this.chartId = chartId; + } + + private JSONObject getRequestJsonObject() { + JSONObject chart = new JSONObject(); + chart.put("chartId", chartId); + try { + JSONObject data = getChartData(); + if (data == null) { + // If the data is null we don't send the chart. + return null; + } + chart.put("data", data); + } catch (Throwable t) { + if (logFailedRequests) { + Bukkit.getLogger().log(Level.WARNING, "Failed to get data for custom chart with id " + chartId, t); + } + return null; + } + return chart; + } + + protected abstract JSONObject getChartData() throws Exception; + + } + + /** + * Represents a custom simple pie. + */ + public static class SimplePie extends CustomChart { + + private final Callable callable; + + /** + * Class constructor. + * + * @param chartId The id of the chart. + * @param callable The callable which is used to request the chart data. + */ + public SimplePie(String chartId, Callable callable) { + super(chartId); + this.callable = callable; + } + + @Override + protected JSONObject getChartData() throws Exception { + JSONObject data = new JSONObject(); + String value = callable.call(); + if (value == null || value.isEmpty()) { + // Null = skip the chart + return null; + } + data.put("value", value); + return data; + } + } + + /** + * Represents a custom advanced pie. + */ + public static class AdvancedPie extends CustomChart { + + private final Callable> callable; + + /** + * Class constructor. + * + * @param chartId The id of the chart. + * @param callable The callable which is used to request the chart data. + */ + public AdvancedPie(String chartId, Callable> callable) { + super(chartId); + this.callable = callable; + } + + @Override + protected JSONObject getChartData() throws Exception { + JSONObject data = new JSONObject(); + JSONObject values = new JSONObject(); + Map map = callable.call(); + if (map == null || map.isEmpty()) { + // Null = skip the chart + return null; + } + boolean allSkipped = true; + for (Map.Entry entry : map.entrySet()) { + if (entry.getValue() == 0) { + continue; // Skip this invalid + } + allSkipped = false; + values.put(entry.getKey(), entry.getValue()); + } + if (allSkipped) { + // Null = skip the chart + return null; + } + data.put("values", values); + return data; + } + } + + /** + * Represents a custom drilldown pie. + */ + public static class DrilldownPie extends CustomChart { + + private final Callable>> callable; + + /** + * Class constructor. + * + * @param chartId The id of the chart. + * @param callable The callable which is used to request the chart data. + */ + public DrilldownPie(String chartId, Callable>> callable) { + super(chartId); + this.callable = callable; + } + + @Override + public JSONObject getChartData() throws Exception { + JSONObject data = new JSONObject(); + JSONObject values = new JSONObject(); + Map> map = callable.call(); + if (map == null || map.isEmpty()) { + // Null = skip the chart + return null; + } + boolean reallyAllSkipped = true; + for (Map.Entry> entryValues : map.entrySet()) { + JSONObject value = new JSONObject(); + boolean allSkipped = true; + for (Map.Entry valueEntry : map.get(entryValues.getKey()).entrySet()) { + value.put(valueEntry.getKey(), valueEntry.getValue()); + allSkipped = false; + } + if (!allSkipped) { + reallyAllSkipped = false; + values.put(entryValues.getKey(), value); + } + } + if (reallyAllSkipped) { + // Null = skip the chart + return null; + } + data.put("values", values); + return data; + } + } + + /** + * Represents a custom single line chart. + */ + public static class SingleLineChart extends CustomChart { + + private final Callable callable; + + /** + * Class constructor. + * + * @param chartId The id of the chart. + * @param callable The callable which is used to request the chart data. + */ + public SingleLineChart(String chartId, Callable callable) { + super(chartId); + this.callable = callable; + } + + @Override + protected JSONObject getChartData() throws Exception { + JSONObject data = new JSONObject(); + int value = callable.call(); + if (value == 0) { + // Null = skip the chart + return null; + } + data.put("value", value); + return data; + } + + } + + /** + * Represents a custom multi line chart. + */ + public static class MultiLineChart extends CustomChart { + + private final Callable> callable; + + /** + * Class constructor. + * + * @param chartId The id of the chart. + * @param callable The callable which is used to request the chart data. + */ + public MultiLineChart(String chartId, Callable> callable) { + super(chartId); + this.callable = callable; + } + + @Override + protected JSONObject getChartData() throws Exception { + JSONObject data = new JSONObject(); + JSONObject values = new JSONObject(); + Map map = callable.call(); + if (map == null || map.isEmpty()) { + // Null = skip the chart + return null; + } + boolean allSkipped = true; + for (Map.Entry entry : map.entrySet()) { + if (entry.getValue() == 0) { + continue; // Skip this invalid + } + allSkipped = false; + values.put(entry.getKey(), entry.getValue()); + } + if (allSkipped) { + // Null = skip the chart + return null; + } + data.put("values", values); + return data; + } + + } + + /** + * Represents a custom simple bar chart. + */ + public static class SimpleBarChart extends CustomChart { + + private final Callable> callable; + + /** + * Class constructor. + * + * @param chartId The id of the chart. + * @param callable The callable which is used to request the chart data. + */ + public SimpleBarChart(String chartId, Callable> callable) { + super(chartId); + this.callable = callable; + } + + @Override + protected JSONObject getChartData() throws Exception { + JSONObject data = new JSONObject(); + JSONObject values = new JSONObject(); + Map map = callable.call(); + if (map == null || map.isEmpty()) { + // Null = skip the chart + return null; + } + for (Map.Entry entry : map.entrySet()) { + JSONArray categoryValues = new JSONArray(); + categoryValues.add(entry.getValue()); + values.put(entry.getKey(), categoryValues); + } + data.put("values", values); + return data; + } + + } + + /** + * Represents a custom advanced bar chart. + */ + public static class AdvancedBarChart extends CustomChart { + + private final Callable> callable; + + /** + * Class constructor. + * + * @param chartId The id of the chart. + * @param callable The callable which is used to request the chart data. + */ + public AdvancedBarChart(String chartId, Callable> callable) { + super(chartId); + this.callable = callable; + } + + @Override + protected JSONObject getChartData() throws Exception { + JSONObject data = new JSONObject(); + JSONObject values = new JSONObject(); + Map map = callable.call(); + if (map == null || map.isEmpty()) { + // Null = skip the chart + return null; + } + boolean allSkipped = true; + for (Map.Entry entry : map.entrySet()) { + if (entry.getValue().length == 0) { + continue; // Skip this invalid + } + allSkipped = false; + JSONArray categoryValues = new JSONArray(); + for (int categoryValue : entry.getValue()) { + categoryValues.add(categoryValue); + } + values.put(entry.getKey(), categoryValues); + } + if (allSkipped) { + // Null = skip the chart + return null; + } + data.put("values", values); + return data; + } + + } +} diff --git a/src/com/massivecraft/massivecore/MetricsLite.java b/src/com/massivecraft/massivecore/MetricsLite.java deleted file mode 100644 index 29dfe3bc..00000000 --- a/src/com/massivecraft/massivecore/MetricsLite.java +++ /dev/null @@ -1,514 +0,0 @@ -/* - * Copyright 2011-2013 Tyler Blair. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, are - * permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, this list of - * conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright notice, this list - * of conditions and the following disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF - * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * The views and conclusions contained in the software and documentation are those of the - * authors and contributors and should not be interpreted as representing official policies, - * either expressed or implied, of anybody else. - */ - -package com.massivecraft.massivecore; - -import com.massivecraft.massivecore.util.MUtil; -import org.bukkit.Bukkit; -import org.bukkit.configuration.InvalidConfigurationException; -import org.bukkit.configuration.file.YamlConfiguration; -import org.bukkit.plugin.Plugin; -import org.bukkit.plugin.PluginDescriptionFile; -import org.bukkit.scheduler.BukkitTask; - -import java.io.BufferedReader; -import java.io.ByteArrayOutputStream; -import java.io.File; -import java.io.IOException; -import java.io.InputStreamReader; -import java.io.OutputStream; -import java.io.UnsupportedEncodingException; -import java.net.Proxy; -import java.net.URL; -import java.net.URLConnection; -import java.net.URLEncoder; -import java.util.UUID; -import java.util.logging.Level; -import java.util.zip.GZIPOutputStream; - -public class MetricsLite { - - /** - * The current revision number - */ - private final static int REVISION = 7; - - /** - * The base url of the metrics domain - */ - private static final String BASE_URL = "http://report.mcstats.org"; - - /** - * The url used to report a server's status - */ - private static final String REPORT_URL = "/plugin/%s"; - - /** - * Interval of time to ping (in minutes) - */ - private final static int PING_INTERVAL = 15; - - /** - * The plugin this metrics submits for - */ - private final Plugin plugin; - - /** - * The plugin configuration file - */ - private final YamlConfiguration configuration; - - /** - * The plugin configuration file - */ - private final File configurationFile; - - /** - * Unique server id - */ - private final String guid; - - /** - * Debug mode - */ - private final boolean debug; - - /** - * Lock for synchronization - */ - private final Object optOutLock = new Object(); - - /** - * Id of the scheduled task - */ - private volatile BukkitTask task = null; - - public MetricsLite(Plugin plugin) throws IOException { - if (plugin == null) { - throw new IllegalArgumentException("Plugin cannot be null"); - } - - this.plugin = plugin; - - // load the config - configurationFile = getConfigFile(); - configuration = YamlConfiguration.loadConfiguration(configurationFile); - - // add some defaults - configuration.addDefault("opt-out", false); - configuration.addDefault("guid", UUID.randomUUID().toString()); - configuration.addDefault("debug", false); - - // Do we need to create the file? - if (configuration.get("guid", null) == null) { - configuration.options().header("http://mcstats.org").copyDefaults(true); - configuration.save(configurationFile); - } - - // Load the guid then - guid = configuration.getString("guid"); - debug = configuration.getBoolean("debug", false); - } - - /** - * Start measuring statistics. This will immediately create an async repeating task as the plugin and send - * the initial data to the metrics backend, and then after that it will post in increments of - * PING_INTERVAL * 1200 ticks. - * - * @return True if statistics measuring is running, otherwise false. - */ - public boolean start() { - synchronized (optOutLock) { - // Did we opt out? - if (isOptOut()) { - return false; - } - - // Is metrics already running? - if (task != null) { - return true; - } - - // Begin hitting the server with glorious data - task = plugin.getServer().getScheduler().runTaskTimerAsynchronously(plugin, new Runnable() { - - private boolean firstPost = true; - - public void run() { - try { - // This has to be synchronized or it can collide with the disable method. - synchronized (optOutLock) { - // Disable Task, if it is running and the server owner decided to opt-out - if (isOptOut() && task != null) { - task.cancel(); - task = null; - } - } - - // We use the inverse of firstPost because if it is the first time we are posting, - // it is not a interval ping, so it evaluates to FALSE - // Each time thereafter it will evaluate to TRUE, i.e PING! - postPlugin(!firstPost); - - // After the first post we set firstPost to false - // Each post thereafter will be a ping - firstPost = false; - } catch (IOException e) { - if (debug) { - Bukkit.getLogger().log(Level.INFO, "[Metrics] " + e.getMessage()); - } - } - } - }, 0, PING_INTERVAL * 1200); - - return true; - } - } - - /** - * Has the server owner denied plugin metrics? - * - * @return true if metrics should be opted out of it - */ - public boolean isOptOut() { - synchronized (optOutLock) { - try { - // Reload the metrics file - configuration.load(getConfigFile()); - } catch (IOException ex) { - if (debug) { - Bukkit.getLogger().log(Level.INFO, "[Metrics] " + ex.getMessage()); - } - return true; - } catch (InvalidConfigurationException ex) { - if (debug) { - Bukkit.getLogger().log(Level.INFO, "[Metrics] " + ex.getMessage()); - } - return true; - } - return configuration.getBoolean("opt-out", false); - } - } - - /** - * Enables metrics for the server by setting "opt-out" to false in the config file and starting the metrics task. - * - * @throws java.io.IOException - */ - public void enable() throws IOException { - // This has to be synchronized or it can collide with the check in the task. - synchronized (optOutLock) { - // Check if the server owner has already set opt-out, if not, set it. - if (isOptOut()) { - configuration.set("opt-out", false); - configuration.save(configurationFile); - } - - // Enable Task, if it is not running - if (task == null) { - start(); - } - } - } - - /** - * Disables metrics for the server by setting "opt-out" to true in the config file and canceling the metrics task. - * - * @throws java.io.IOException - */ - public void disable() throws IOException { - // This has to be synchronized or it can collide with the check in the task. - synchronized (optOutLock) { - // Check if the server owner has already set opt-out, if not, set it. - if (!isOptOut()) { - configuration.set("opt-out", true); - configuration.save(configurationFile); - } - - // Disable Task, if it is running - if (task != null) { - task.cancel(); - task = null; - } - } - } - - /** - * Gets the File object of the config file that should be used to store data such as the GUID and opt-out status - * - * @return the File object for the config file - */ - public File getConfigFile() { - // I believe the easiest way to get the base folder (e.g craftbukkit set via -P) for plugins to use - // is to abuse the plugin object we already have - // plugin.getDataFolder() => base/plugins/PluginA/ - // pluginsFolder => base/plugins/ - // The base is not necessarily relative to the startup directory. - File pluginsFolder = plugin.getDataFolder().getParentFile(); - - // return => base/plugins/PluginMetrics/config.yml - return new File(new File(pluginsFolder, "PluginMetrics"), "config.yml"); - } - - /** - * Generic method that posts a plugin to the metrics website - */ - private void postPlugin(boolean isPing) throws IOException { - // Server software specific section - PluginDescriptionFile description = plugin.getDescription(); - String pluginName = description.getName(); - boolean onlineMode = Bukkit.getServer().getOnlineMode(); // TRUE if online mode is enabled - String pluginVersion = description.getVersion(); - String serverVersion = Bukkit.getVersion(); - int playersOnline = MUtil.getOnlinePlayers().size(); - - // END server software specific section -- all code below does not use any code outside of this class / Java - - // Construct the post data - StringBuilder json = new StringBuilder(1024); - json.append('{'); - - // The plugin's description file containg all of the plugin data such as name, version, author, etc - appendJSONPair(json, "guid", guid); - appendJSONPair(json, "plugin_version", pluginVersion); - appendJSONPair(json, "server_version", serverVersion); - appendJSONPair(json, "players_online", Integer.toString(playersOnline)); - - // New data as of R6 - String osname = System.getProperty("os.name"); - String osarch = System.getProperty("os.arch"); - String osversion = System.getProperty("os.version"); - String java_version = System.getProperty("java.version"); - int coreCount = Runtime.getRuntime().availableProcessors(); - - // normalize os arch .. amd64 -> x86_64 - if (osarch.equals("amd64")) { - osarch = "x86_64"; - } - - appendJSONPair(json, "osname", osname); - appendJSONPair(json, "osarch", osarch); - appendJSONPair(json, "osversion", osversion); - appendJSONPair(json, "cores", Integer.toString(coreCount)); - appendJSONPair(json, "auth_mode", onlineMode ? "1" : "0"); - appendJSONPair(json, "java_version", java_version); - - // If we're pinging, append it - if (isPing) { - appendJSONPair(json, "ping", "1"); - } - - // close json - json.append('}'); - - // Create the url - URL url = new URL(BASE_URL + String.format(REPORT_URL, urlEncode(pluginName))); - - // Connect to the website - URLConnection connection; - - // Mineshafter creates a socks proxy, so we can safely bypass it - // It does not reroute POST requests so we need to go around it - if (isMineshafterPresent()) { - connection = url.openConnection(Proxy.NO_PROXY); - } else { - connection = url.openConnection(); - } - - - byte[] uncompressed = json.toString().getBytes(); - byte[] compressed = gzip(json.toString()); - - // Headers - connection.addRequestProperty("User-Agent", "MCStats/" + REVISION); - connection.addRequestProperty("Content-Type", "application/json"); - connection.addRequestProperty("Content-Encoding", "gzip"); - connection.addRequestProperty("Content-Length", Integer.toString(compressed.length)); - connection.addRequestProperty("Accept", "application/json"); - connection.addRequestProperty("Connection", "close"); - - connection.setDoOutput(true); - - if (debug) { - System.out.println("[Metrics] Prepared request for " + pluginName + " uncompressed=" + uncompressed.length + " compressed=" + compressed.length); - } - - // Write the data - OutputStream os = connection.getOutputStream(); - os.write(compressed); - os.flush(); - - // Now read the response - final BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream())); - String response = reader.readLine(); - - // close resources - os.close(); - reader.close(); - - if (response == null || response.startsWith("ERR") || response.startsWith("7")) { - if (response == null) { - response = "null"; - } else if (response.startsWith("7")) { - response = response.substring(response.startsWith("7,") ? 2 : 1); - } - - throw new IOException(response); - } - } - - /** - * GZip compress a string of bytes - * - * @param input - * @return - */ - public static byte[] gzip(String input) { - ByteArrayOutputStream baos = new ByteArrayOutputStream(); - GZIPOutputStream gzos = null; - - try { - gzos = new GZIPOutputStream(baos); - gzos.write(input.getBytes("UTF-8")); - } catch (IOException e) { - e.printStackTrace(); - } finally { - if (gzos != null) try { - gzos.close(); - } catch (IOException ignore) { - } - } - - return baos.toByteArray(); - } - - /** - * Check if mineshafter is present. If it is, we need to bypass it to send POST requests - * - * @return true if mineshafter is installed on the server - */ - private boolean isMineshafterPresent() { - try { - Class.forName("mineshafter.MineServer"); - return true; - } catch (Exception e) { - return false; - } - } - - /** - * Appends a json encoded key/value pair to the given string builder. - * - * @param json - * @param key - * @param value - * @throws UnsupportedEncodingException - */ - private static void appendJSONPair(StringBuilder json, String key, String value) throws UnsupportedEncodingException { - boolean isValueNumeric = false; - - try { - if (value.equals("0") || !value.endsWith("0")) { - Double.parseDouble(value); - isValueNumeric = true; - } - } catch (NumberFormatException e) { - isValueNumeric = false; - } - - if (json.charAt(json.length() - 1) != '{') { - json.append(','); - } - - json.append(escapeJSON(key)); - json.append(':'); - - if (isValueNumeric) { - json.append(value); - } else { - json.append(escapeJSON(value)); - } - } - - /** - * Escape a string to create a valid JSON string - * - * @param text - * @return - */ - private static String escapeJSON(String text) { - StringBuilder builder = new StringBuilder(); - - builder.append('"'); - for (int index = 0; index < text.length(); index++) { - char chr = text.charAt(index); - - switch (chr) { - case '"': - case '\\': - builder.append('\\'); - builder.append(chr); - break; - case '\b': - builder.append("\\b"); - break; - case '\t': - builder.append("\\t"); - break; - case '\n': - builder.append("\\n"); - break; - case '\r': - builder.append("\\r"); - break; - default: - if (chr < ' ') { - String t = "000" + Integer.toHexString(chr); - builder.append("\\u" + t.substring(t.length() - 4)); - } else { - builder.append(chr); - } - break; - } - } - builder.append('"'); - - return builder.toString(); - } - - /** - * Encode text as UTF-8 - * - * @param text the text to encode - * @return the encoded text, as UTF-8 - */ - private static String urlEncode(final String text) throws UnsupportedEncodingException { - return URLEncoder.encode(text, "UTF-8"); - } - -} \ No newline at end of file