1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
<?php
// $Id$
/**
* @file
* Lets users log in with pg community login system
*/
/**
* Implementation of hook_info().
*/
function pglogin_info($field = 0) {
$info['name'] = 'pglogin';
if ($field) {
return $info[$field];
}
else {
return $info;
}
}
/**
* Implementation of hook_auth().
*/
function pglogin_auth($username, $password, $server = FALSE) {
// disallow empty password, just in case
if (empty($password)) {
return false;
}
// always lowercase usernames so we don't get weird duplicates
$username = strtolower($username);
// connect to the pg database to validate login
$db = @pg_pconnect("host=wwwmaster.postgresql.org dbname=186_www user=auth_svc password=veryverysecretreplacethis sslmode=require");
if (!$db) {
watchdog('error', 'Failed to connect to community login database!');
return false;
}
$rs = @pg_query_params($db, 'SELECT * FROM community_login($1, $2)', array($username, $password));
if (!$rs) {
watchdog('error', 'Failed to query community login system!');
@pg_close($db);
return false;
}
if (@pg_num_rows($rs) != 1) {
watchdog('user', t('User %user not present in community login system.', array('%user' => $username)));
@pg_free_result($rs);
@pg_close($db);
return false;
}
$mail = '';
if (@pg_fetch_result($rs, 0, 'success') == "1") {
$mail = @pg_fetch_result($rs, 0, 'email');
}
else {
watchdog('user', t('Community login failed for user %user.', array('%user' => $username)));
@pg_free_result($rs);
@pg_close($db);
return false;
}
@pg_close($db);
// Login successful. See if we need to store a copy of user info in drupal db
$u = user_load(array('name' => $username));
if (!isset($u->uid)) {
// User not present in drupal - save stub. Set password to something very random.
$u = user_save('', array (
'name' => $username,
'pass' => user_password(42),
'mail' => $mail,
'init' => $mail, // not sure why, but ldap does it so...
'status' => 1));
watchdog('user', t('Added record for community user %user', array('%user' => $username)));
}
else {
// User is present, check if email has changed
if ($u->mail != $mail) {
$old = $u->mail;
user_save($u, array( 'mail' => $mail));
watchdog('user', t('User %user changed email from %old to %new',
array('%user' => $username, '%old' => $old, '%new' => $mail)));
}
}
return true;
}
/*
* Get rid of the send-me-a-password link.
*/
function pglogin_form_alter($form_id, &$form) {
if ($form_id == 'user_login_block') {
unset($form['links']);
}
}
|