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
|
<?
$access = array("Administrator" => 0x00000001,
"User manager" => 0x00000002,
"News manager" => 0x00000004);
class User {
function User($userid, $passwd="") {
$result = db_query("SELECT * FROM users WHERE LOWER(userid)=LOWER('$userid') && passwd=PASSWORD('$passwd') && STATUS=0");
if (db_num_rows($result) == 1) {
foreach (db_fetch_row($result) as $key=>$value) { $field = mysql_field_name($result, $key); $this->$field = stripslashes($value); $this->field[] = $field; }
}
}
function save() {
### Compose query to update user record:
$query .= "UPDATE users SET ";
foreach ($this->field as $key=>$field) { $value = $this->$field; $query .= "$field = '". addslashes($value) ."', "; }
$query .= " id = $this->id WHERE id = $this->id";
### Perform query:
db_query($query);
}
function rehash() {
$result = db_query("SELECT * FROM users WHERE id=$this->id");
if (db_num_rows($result) == 1) {
foreach (db_fetch_array($result) as $key=>$value) { $this->$key = stripslashes($value); }
}
}
function valid($access = 0) {
if ($this->userid) {
$this->rehash(); // synchronisation purpose
$this->last_access = time();
$this->last_host = (!empty($GLOBALS[REMOTE_HOST]) ? $GLOBALS[REMOTE_HOST] : $GLOBALS[REMOTE_ADDR]);
db_query("UPDATE users SET last_access = '$this->last_access', last_host = '$this->last_host' WHERE id = $this->id");
if ($this->access & $access || $access == 0) return 1;
}
return 0;
}
function getHistory($field) {
return getHistory($this->history, $field);
}
function setHistory($field, $value) {
$this->history = setHistory($this->history, $field, $value);
}
}
function getHistory($history, $field) {
$data = explode(";", $history);
for (reset($data); current($data); next($data)) {
$entry = explode(":", current($data));
if (reset($entry) == $field) $rval = end($entry);
}
return $rval;
}
function setHistory($history, $field, $value) {
if (!$value) {
### remove entry:
$data = explode(";", $history);
for (reset($data); current($data); next($data)) {
$entry = explode(":", current($data));
if ($entry[0] != $field) $rval .= "$entry[0]:$entry[1];";
}
}
else if (strstr($history, "$field:")) {
### found: update exsisting entry:
$data = explode(";", $history);
for (reset($data); current($data); next($data)) {
$entry = explode(":", current($data));
if ($entry[0] == $field) $entry[1] = $value;
$rval .= "$entry[0]:$entry[1];";
}
}
else {
### not found: add new entry:
$rval = "$history$field:$value;";
}
return $rval;
}
?>
|
