mirror of
https://github.com/SydMontague/ImageMaps.git
synced 2024-09-20 20:11:06 +02:00
100 lines
4.0 KiB
Java
100 lines
4.0 KiB
Java
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package de.craftlancer.imagemaps;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.HttpURLConnection;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.net.URLConnection;
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import java.nio.file.Files;
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import java.nio.file.StandardCopyOption;
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import org.bukkit.command.Command;
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import org.bukkit.command.CommandSender;
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import de.craftlancer.core.LambdaRunnable;
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import de.craftlancer.core.util.MessageLevel;
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import de.craftlancer.core.util.MessageUtil;
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public class ImageMapDownloadCommand extends ImageMapSubCommand {
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public ImageMapDownloadCommand(ImageMaps plugin) {
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super("imagemaps.download", plugin, true);
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}
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@Override
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protected String execute(CommandSender sender, Command cmd, String label, String[] args) {
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if (!checkSender(sender)) {
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MessageUtil.sendMessage(getPlugin(), sender, MessageLevel.WARNING, "You can't run this command.");
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return null;
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}
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if (args.length < 3) {
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MessageUtil.sendMessage(getPlugin(), sender, MessageLevel.WARNING, "You must specify a file name and a download link.");
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return null;
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}
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String filename = args[1];
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String url = args[2];
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if (filename.contains("/") || filename.contains("\\") || filename.contains(":")) {
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MessageUtil.sendMessage(getPlugin(), sender, MessageLevel.WARNING, "Filename contains illegal character.");
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return null;
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}
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new LambdaRunnable(() -> download(sender, url, filename)).runTaskAsynchronously(plugin);
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return null;
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}
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private void download(CommandSender sender, String input, String filename) {
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try {
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URL srcURL = new URL(input);
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if (!srcURL.getProtocol().startsWith("http")) {
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MessageUtil.sendMessage(getPlugin(), sender, MessageLevel.WARNING, "Download URL is not valid.");
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return;
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}
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URLConnection connection = srcURL.openConnection();
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if (!(connection instanceof HttpURLConnection)) {
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MessageUtil.sendMessage(getPlugin(), sender, MessageLevel.WARNING, "Download URL is not valid.");
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return;
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}
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if (((HttpURLConnection) connection).getResponseCode() != 200) {
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MessageUtil.sendMessage(getPlugin(),
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sender,
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MessageLevel.WARNING,
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String.format("Download failed, HTTP Error code %d.", ((HttpURLConnection) connection).getResponseCode()));
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return;
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}
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String mimeType = ((HttpURLConnection) connection).getHeaderField("Content-type");
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if (!(mimeType.startsWith("image/"))) {
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MessageUtil.sendMessage(getPlugin(), sender, MessageLevel.WARNING, String.format("Download is a %s file, not image.", mimeType));
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return;
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}
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try (InputStream str = connection.getInputStream()) {
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Files.copy(str, new File(plugin.getDataFolder(), "images" + File.separatorChar + filename).toPath(), StandardCopyOption.REPLACE_EXISTING);
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}
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MessageUtil.sendMessage(getPlugin(), sender, MessageLevel.NORMAL, "Download complete.");
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}
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catch (MalformedURLException ex) {
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MessageUtil.sendMessage(getPlugin(), sender, MessageLevel.WARNING, "Malformatted URL");
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}
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catch (IOException ex) {
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MessageUtil.sendMessage(getPlugin(), sender, MessageLevel.ERROR, "An IO Exception happened, see server log");
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ex.printStackTrace();
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}
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}
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@Override
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public void help(CommandSender sender) {
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MessageUtil.sendMessage(getPlugin(), sender, MessageLevel.NORMAL, "Downloads an image from an URL.");
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MessageUtil.sendMessage(getPlugin(), sender, MessageLevel.INFO, "Usage: /imagemap download <filename> <sourceURL>");
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}
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}
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