1 /* 2 * Helper class for simple Server authentication applet 3 */ 4 5 import netscape.javascript.*; 6 import java.awt.*; 7 public class Auth extends java.applet.Applet { 8 9 public TextField password; init()10public void init() { 11 GridBagLayout grid = new GridBagLayout(); 12 int rowHeights[] = {0}; 13 int columnWidths[] = {0}; 14 double rowWeights[] = {0.0}; 15 double columnWeights[] = {0.0}; 16 grid.rowHeights = rowHeights; 17 grid.columnWidths = columnWidths; 18 grid.rowWeights = rowWeights; 19 grid.columnWeights = columnWeights; 20 21 password = new TextField(8); 22 password.setEchoCharacter('*'); 23 this.add(password); 24 25 GridBagConstraints con = new GridBagConstraints(); 26 con.gridx = 0; 27 con.gridy = 0; 28 con.anchor = GridBagConstraints.CENTER; 29 con.fill = GridBagConstraints.HORIZONTAL; 30 grid.setConstraints(password, con); 31 setLayout(grid); 32 } 33 34 /* compute the MD5 digest of the input string with the password on the front */ 35 digest(String value)36public String digest(String value) { 37 System.out.println(value + " + " + password.getText()); 38 MD5 digest = new MD5(); 39 digest.init(); 40 digest.updateASCII(password.getText()); 41 digest.updateASCII(value); 42 digest.finish(); 43 System.out.println(digest.toString()); 44 return digest.toString(); 45 } 46 47 /* eval an arbitrary javascript command, return a string value */ 48 /* just testing now */ 49 js(String script)50public String js(String script) { 51 JSObject win; 52 win = JSObject.getWindow(this); 53 String result = (String)win.eval(script); 54 /* JSObject.alert(result); */ 55 return result; 56 } 57 } 58