|
1
16
17 package org.apache.jetspeed.services.security;
18
19 import java.util.Date  ;
20
21
28 public class UserLogonStats
29 {
30 private int failures = 0;
31 private int total = 0;
32 private long firstLogon = 0;
33 private final String username;
34 private boolean disabled = false;
35 private Object sem;
36
37 UserLogonStats(String username)
38 {
39 this.username = username;
40 sem = new Object ();
41 }
42
43 public int getFailures()
44 {
45 return failures;
46 }
47
48 public int getTotalFailures()
49 {
50 return total;
51 }
52
53 public long getFirstLogon()
54 {
55 return firstLogon;
56 }
57
58 public String getUserName()
59 {
60 return username;
61 }
62
63 public boolean failCheck(int allowed, long secondsAllowed, int max)
64 {
65 synchronized(sem)
66 {
67 if (disabled)
68 return true;
69
70 failures = failures + 1;
71 total = total + 1;
72
73 if (total >= max)
74 {
75 reset();
76 disabled = true;
77 return true;
78 }
79
80 long msAllowed = secondsAllowed * 1000;
81 long now = new Date ().getTime();
82
83 if (firstLogon == 0)
84 firstLogon = now;
85
86 long diff = now - firstLogon;
87
88 if (diff > msAllowed)
89 reset();
90
91 if (failures >= allowed)
92 {
93 reset();
94 disabled = true;
95 return true;
96 }
97 return false;
98 }
99 }
100
101 public void reset()
102 {
103 synchronized(sem)
104 {
105 failures = 0;
106 Date now = new Date ();
107 firstLogon = now.getTime();
108 disabled = false;
109 }
110 }
111 }
112 |
Popular Tags |
Java API By Example, From Geeks To Geeks.