94 lines
2.8 KiB
Java
94 lines
2.8 KiB
Java
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.Map;
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import javax.servlet.ServletConfig;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.annotation.MultipartConfig;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.InputStream;
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import java.io.FileOutputStream;
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import java.io.OutputStream;
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import javax.servlet.http.Part;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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@WebServlet("/")
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@MultipartConfig(
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fileSizeThreshold = 1024 * 1024 * 1, // 1 MB
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maxFileSize = 1024 * 1024 * 10, // 10 MB
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maxRequestSize = 1024 * 1024 * 15 // 15 MB
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)
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public class app extends HttpServlet
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{
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@Override
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public void doPost(HttpServletRequest request, HttpServletResponse response)
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throws IOException, ServletException
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{
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response.setContentType("text/html;charset=UTF-8");
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// Create path components to save the file
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final String path = request.getParameter("destination");
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final Part filePart = request.getPart("file");
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final String fileName = getFileName(filePart);
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OutputStream out = null;
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InputStream filecontent = null;
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final PrintWriter writer = response.getWriter();
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try {
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out = new FileOutputStream(new File(path + File.separator
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+ fileName));
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filecontent = filePart.getInputStream();
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int read = 0;
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final byte[] bytes = new byte[1024];
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while ((read = filecontent.read(bytes)) != -1) {
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out.write(bytes, 0, read);
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}
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writer.println(fileName + " created at " + path);
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} catch (FileNotFoundException fne) {
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writer.println("You either did not specify a file to upload or are "
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+ "trying to upload a file to a protected or nonexistent "
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+ "location.");
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writer.println("<br/> ERROR: " + fne.getMessage());
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} finally {
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if (out != null) {
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out.close();
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}
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if (filecontent != null) {
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filecontent.close();
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}
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if (writer != null) {
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writer.close();
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}
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}
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return;
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}
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private String getFileName(final Part part) {
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final String partHeader = part.getHeader("content-disposition");
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for (String content : part.getHeader("content-disposition").split(";"))
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{
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if (content.trim().startsWith("filename")) {
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return content.substring(
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content.indexOf("=") + 1).trim().replace("\"", "");
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}
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}
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return null;
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}
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}
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