73 lines
2.8 KiB
Java
73 lines
2.8 KiB
Java
package dev.plex.request;
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import dev.plex.HTTPDModule;
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import jakarta.servlet.ServletException;
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import jakarta.servlet.http.HttpServlet;
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import jakarta.servlet.http.HttpServletRequest;
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import jakarta.servlet.http.HttpServletResponse;
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import jakarta.servlet.http.Part;
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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.nio.file.Files;
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import java.nio.file.StandardCopyOption;
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import java.util.Arrays;
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import java.util.regex.Pattern;
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public class SchematicUploadServlet extends HttpServlet
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{
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private static final Pattern schemNameMatcher = Pattern.compile("^[a-z0-9'!,_ -]{1,30}\\.schem(atic)?$", Pattern.CASE_INSENSITIVE);
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@Override
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protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
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File worldeditFolder = HTTPDModule.getWorldeditFolder();
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if (worldeditFolder == null)
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{
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resp.getWriter().println(schematicUploadBadHTML("Worldedit is not installed!"));
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return;
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}
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File[] schematics = worldeditFolder.listFiles();
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Part uploadPart;
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try
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{
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uploadPart = req.getPart("file");
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}
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catch (IllegalStateException e)
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{
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resp.getWriter().println(schematicUploadBadHTML("That schematic is too large!"));
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return;
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}
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String filename = uploadPart.getSubmittedFileName().replaceAll("[^a-zA-Z0-9'!,_ .-]", "_");
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if (!schemNameMatcher.matcher(filename).matches())
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{
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resp.getWriter().println(schematicUploadBadHTML("That is not a valid schematic filename!"));
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return;
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}
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boolean alreadyExists = schematics != null && Arrays.stream(schematics).anyMatch(file -> HTTPDModule.fileNameEquals(file.getName(), filename));
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if (alreadyExists)
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{
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resp.getWriter().println(schematicUploadBadHTML("A schematic with the name <b>" + filename + "</b> already exists!"));
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return;
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}
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InputStream inputStream = uploadPart.getInputStream();
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Files.copy(inputStream, new File(worldeditFolder, filename).toPath(), StandardCopyOption.REPLACE_EXISTING);
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inputStream.close();
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resp.getWriter().println(schematicUploadGoodHTML("Successfully uploaded <b>" + filename + "."));
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}
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private String schematicUploadBadHTML(String message)
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{
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String file = AbstractServlet.readFile(this.getClass().getResourceAsStream("/httpd/schematic_upload_bad.html"));
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file = file.replace("${MESSAGE}", message);
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return file;
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}
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private String schematicUploadGoodHTML(String message)
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{
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String file = AbstractServlet.readFile(this.getClass().getResourceAsStream("/httpd/schematic_upload_good.html"));
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file = file.replace("${MESSAGE}", message);
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return file;
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}
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}
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