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Better URL error response handler

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Frank van der Heijden 2020-06-30 11:27:14 +02:00
parent 3f24f4acea
commit 93c5adb911
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GPG key ID: 26DA56488D314D11
2 changed files with 59 additions and 39 deletions
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80
src/main/java/net/frankheijden/serverutils/tasks/UpdateCheckerTask.java
View file

@ -1,6 +1,7 @@
package net.frankheijden.serverutils.tasks;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import java.io.File;
@ -15,13 +16,13 @@ import java.util.logging.Level;
import net.frankheijden.serverutils.ServerUtils;
import net.frankheijden.serverutils.config.Config;
import net.frankheijden.serverutils.config.Messenger;
import net.frankheijden.serverutils.managers.CloseableResult;
import net.frankheijden.serverutils.managers.PluginManager;
import net.frankheijden.serverutils.managers.VersionManager;
import net.frankheijden.serverutils.utils.FileUtils;
import net.frankheijden.serverutils.utils.VersionUtils;
import org.bukkit.Bukkit;
import org.bukkit.command.CommandSender;
import org.bukkit.plugin.InvalidDescriptionException;
import org.bukkit.plugin.InvalidPluginException;
import org.bukkit.plugin.java.JavaPlugin;
public class UpdateCheckerTask implements Runnable {
@ -33,12 +34,10 @@ public class UpdateCheckerTask implements Runnable {
private final boolean startup;
private static final String GITHUB_LINK = "https://api.github.com/repos/FrankHeijden/ServerUtils/releases/latest";
private static final String USER_AGENT = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:77.0)"
+ "Gecko/20100101"
+ "Firefox/77.0";
private static final String UPDATE_CHECK_START = "Checking for updates...";
private static final String GENERAL_ERROR = "Error fetching new version of ServerUtils";
private static final String TRY_LATER = GENERAL_ERROR + ", please try again later!";
private static final String CONNECTION_ERROR = GENERAL_ERROR + ": (%s) %s (maybe check your connection?)";
private static final String UNAVAILABLE = GENERAL_ERROR + ": (%s) %s (no update available)";
private static final String UPDATE_AVAILABLE = "ServerUtils %s is available!";
@ -46,6 +45,7 @@ public class UpdateCheckerTask implements Runnable {
private static final String DOWNLOAD_ERROR = "Error downloading a new version of ServerUtils";
private static final String UPGRADE_SUCCESS = "Successfully upgraded ServerUtils to v%s!";
private static final String DOWNLOADED_RESTART = "Downloaded ServerUtils version v%s. Restarting plugin now...";
private static final String UP_TO_DATE = "We are up-to-date!";
private UpdateCheckerTask(CommandSender sender, boolean startup) {
this.sender = sender;
@ -72,9 +72,9 @@ public class UpdateCheckerTask implements Runnable {
plugin.getLogger().info(UPDATE_CHECK_START);
}
JsonObject jsonObject;
JsonElement jsonElement;
try {
jsonObject = FileUtils.readJsonFromUrl(GITHUB_LINK).getAsJsonObject();
jsonElement = FileUtils.readJsonFromUrl(GITHUB_LINK);
} catch (ConnectException | UnknownHostException | SocketTimeoutException ex) {
plugin.getLogger().severe(String.format(CONNECTION_ERROR, ex.getClass().getSimpleName(), ex.getMessage()));
return;
@ -85,18 +85,21 @@ public class UpdateCheckerTask implements Runnable {
plugin.getLogger().log(Level.SEVERE, ex, () -> GENERAL_ERROR);
return;
}
String githubVersion = jsonObject.getAsJsonPrimitive("tag_name").getAsString();
githubVersion = githubVersion.replace("v", "");
String body = jsonObject.getAsJsonPrimitive("body").getAsString();
JsonArray assets = jsonObject.getAsJsonArray("assets");
String downloadLink = null;
if (assets != null && assets.size() > 0) {
downloadLink = assets.get(0)
.getAsJsonObject()
.getAsJsonPrimitive("browser_download_url")
.getAsString();
if (jsonElement == null) {
plugin.getLogger().warning(TRY_LATER);
return;
}
JsonObject jsonObject = jsonElement.getAsJsonObject();
if (jsonObject.has("message")) {
plugin.getLogger().warning(jsonObject.get("message").getAsString());
return;
}
String githubVersion = getVersion(jsonObject);
String body = jsonObject.getAsJsonPrimitive("body").getAsString();
String downloadUrl = getDownloadUrl(jsonObject);
if (VersionUtils.isNewVersion(currentVersion, githubVersion)) {
if (isStartupCheck()) {
plugin.getLogger().info(String.format(UPDATE_AVAILABLE, githubVersion));
@ -104,14 +107,15 @@ public class UpdateCheckerTask implements Runnable {
}
if (canDownloadPlugin()) {
if (isStartupCheck()) {
plugin.getLogger().info(String.format(DOWNLOAD_START, downloadLink));
plugin.getLogger().info(String.format(DOWNLOAD_START, downloadUrl));
} else {
Messenger.sendMessage(sender, "serverutils.update.downloading",
"%old%", currentVersion,
"%new%", githubVersion,
"%info%", body);
}
downloadPlugin(githubVersion, downloadLink);
downloadPlugin(githubVersion, downloadUrl);
tryReloadPlugin();
} else if (!isStartupCheck()) {
Messenger.sendMessage(sender, "serverutils.update.available",
"%old%", currentVersion,
@ -122,10 +126,22 @@ public class UpdateCheckerTask implements Runnable {
Messenger.sendMessage(sender, "serverutils.update.success",
"%new%", versionManager.getDownloadedVersion());
} else if (isStartupCheck()) {
plugin.getLogger().info("We are up-to-date!");
plugin.getLogger().info(UP_TO_DATE);
}
}
private String getVersion(JsonObject jsonObject) {
return jsonObject.getAsJsonPrimitive("tag_name").getAsString().replace("v", "");
}
private String getDownloadUrl(JsonObject jsonObject) {
JsonArray assets = jsonObject.getAsJsonArray("assets");
if (assets != null && assets.size() > 0) {
return assets.get(0).getAsJsonObject().getAsJsonPrimitive("browser_download_url").getAsString();
}
return null;
}
private boolean canDownloadPlugin() {
if (isStartupCheck()) return Config.getInstance().getBoolean("settings.download-at-startup-and-update");
return Config.getInstance().getBoolean("settings.download-updates");
@ -149,19 +165,19 @@ public class UpdateCheckerTask implements Runnable {
throw new RuntimeException(DOWNLOAD_ERROR, ex);
}
if (isStartupCheck()) {
plugin.getLogger().info(String.format(DOWNLOADED_RESTART, githubVersion));
Bukkit.getPluginManager().disablePlugin(plugin);
try {
Bukkit.getPluginManager().enablePlugin(Bukkit.getPluginManager().loadPlugin(getPluginFile()));
} catch (InvalidPluginException | InvalidDescriptionException ex) {
ex.printStackTrace();
return;
}
plugin.getLogger().info(String.format(UPGRADE_SUCCESS, githubVersion));
} else {
versionManager.setDownloadedVersion(githubVersion);
broadcastDownloadStatus(githubVersion, false);
}
private void tryReloadPlugin() {
String downloadedVersion = versionManager.getDownloadedVersion();
if (isStartupCheck()) {
plugin.getLogger().info(String.format(DOWNLOADED_RESTART, downloadedVersion));
CloseableResult result = PluginManager.reloadPlugin(plugin);
plugin.getLogger().info(String.format(UPGRADE_SUCCESS, downloadedVersion));
result.tryClose();
} else {
broadcastDownloadStatus(downloadedVersion, false);
}
}

14
src/main/java/net/frankheijden/serverutils/utils/FileUtils.java
View file

@ -9,8 +9,8 @@ import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.nio.channels.Channels;
import java.nio.channels.ReadableByteChannel;
import java.nio.charset.StandardCharsets;
@ -28,12 +28,14 @@ public class FileUtils {
* @throws IOException If an I/O exception occurs.
*/
public static void download(String urlString, File target) throws IOException {
try (InputStream is = stream(urlString);
ReadableByteChannel rbc = Channels.newChannel(is);
try (InputStream is = stream(urlString)) {
if (is == null) return;
try (ReadableByteChannel rbc = Channels.newChannel(is);
FileOutputStream fos = new FileOutputStream(target)) {
fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
}
}
}
/**
* Opens a stream to an url.
@ -42,10 +44,11 @@ public class FileUtils {
* @throws IOException If an I/O exception occurs.
*/
public static InputStream stream(String url) throws IOException {
URLConnection conn = new URL(url).openConnection();
HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
conn.setRequestProperty("User-Agent", USER_AGENT);
conn.setConnectTimeout(10000);
return conn.getInputStream();
int res = conn.getResponseCode();
return (res >= 200 && res <= 299) ? conn.getInputStream() : conn.getErrorStream();
}
/**
@ -71,6 +74,7 @@ public class FileUtils {
*/
public static JsonElement readJsonFromUrl(String url) throws IOException {
try (InputStream is = stream(url)) {
if (is == null) return null;
BufferedReader reader = new BufferedReader(new InputStreamReader(is, StandardCharsets.UTF_8));
String jsonText = readAll(reader);
return new JsonParser().parse(jsonText);