5a920362 |
1 | // Functions used by login pages |
2 | |
3 | function cookiesEnabled() { |
4 | // Test whether cookies are enabled by attempting to set a cookie and then change its value |
5 | // set test cookie |
6 | var c = "areYourCookiesEnabled=0"; |
7 | document.cookie = c; |
8 | var dc = document.cookie; |
9 | // cookie not set? fail |
10 | if (dc.indexOf(c) == -1) return 0; |
11 | // change test cookie |
12 | c = "areYourCookiesEnabled=1"; |
13 | document.cookie = c; |
14 | dc = document.cookie; |
15 | // cookie not changed? fail |
16 | if (dc.indexOf(c) == -1) return 0; |
17 | // delete cookie |
18 | document.cookie = "areYourCookiesEnabled=; expires=Thu, 01-Jan-70 00:00:01 GMT"; |
19 | return 1; |
20 | } |
21 | |
22 | function setLoginVars(user_name_id, alt_user_name_id, password_id, empty_password_id, js_enabled_id, cookies_enabled_id) { |
23 | // Indicate that javascript is enabled, set cookie status, copy username and password length info to |
24 | // alternative variables since these vars are removed from the request by zope's authentication mechanism. |
25 | if (js_enabled_id) { |
26 | el = document.getElementById(js_enabled_id); |
27 | if (el) { el.value = 1; } |
28 | } |
29 | if (cookies_enabled_id) { |
30 | el = document.getElementById(cookies_enabled_id); |
31 | // Do a fresh cookies enabled test every time we press the login button |
32 | // so that we are up to date in case the user enables cookies after seeing |
33 | // the cookies message. |
34 | if (el) { el.value = cookiesEnabled(); } |
35 | } |
36 | if (user_name_id && alt_user_name_id) { |
37 | user_name = document.getElementById(user_name_id) |
38 | alt_user_name = document.getElementById(alt_user_name_id) |
39 | if (user_name && alt_user_name) { |
40 | alt_user_name.value = user_name.value; |
41 | } |
42 | } |
43 | if (password_id && empty_password_id) { |
44 | password = document.getElementById(password_id) |
45 | empty_password = document.getElementById(empty_password_id) |
46 | if (password && empty_password) { |
47 | if (password.value.length==0) { |
48 | empty_password.value = '1'; |
49 | } else { |
50 | empty_password.value = '0'; |
51 | } |
52 | } |
53 | } |
54 | return 1; |
55 | } |
56 | |
57 | function showCookieMessage(msg_id) { |
58 | // Show the element with the given id if cookies are not enabled |
59 | msg = document.getElementById(msg_id) |
60 | if (msg) { |
61 | if (cookiesEnabled()) { |
62 | msg.style.display = 'none'; |
63 | } else { |
64 | msg.style.display = 'block'; |
65 | } |
66 | } |
67 | } |
68 | |
69 | function showEnableCookiesMessage() { |
70 | // Show the element with the id 'enable_cookies_message' if cookies are not enabled |
71 | showCookieMessage('enable_cookies_message') |
72 | } |
73 | // Call showEnableCookiesMessage after the page loads |
74 | registerPloneFunction(showEnableCookiesMessage); |