src/org/cacert/gigi/output/Form.java

   1 package org.cacert.gigi.output;
   2
   3 import java.io.PrintWriter;
   4 import java.util.Map;
   5
   6 import javax.servlet.ServletRequest;
   7 import javax.servlet.http.HttpServletRequest;
   8
   9 import org.cacert.gigi.Language;
  10 import org.cacert.gigi.pages.Page;
  11 import org.cacert.gigi.util.RandomToken;
  12
  13 public abstract class Form implements Outputable {
  14         String csrf;
  15         public Form() {
  16                 csrf = RandomToken.generateToken(32);
  17         }
  18
  19         public abstract boolean submit(PrintWriter out, HttpServletRequest req);
  20         @Override
  21         public final void output(PrintWriter out, Language l,
  22                         Map<String, Object> vars) {
  23                 out.println("<form method='POST' autocomplete='off'>");
  24                 outputContent(out, l, vars);
  25                 out.println("<input type='csrf' value='");
  26                 out.print(getCSRFToken());
  27                 out.println("'></form>");
  28         }
  29
  30         public abstract void outputContent(PrintWriter out, Language l,
  31                         Map<String, Object> vars);
  32
  33         protected void outputError(PrintWriter out, ServletRequest req, String text) {
  34                 out.print("<div>");
  35                 out.print(Page.translate(req, text));
  36                 out.println("</div>");
  37         }
  38
  39         public String getCSRFToken() {
  40                 return csrf;
  41         }
  42
  43 }