ILIAS
eassessment Revision 61809
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Serializer.php
Go to the documentation of this file.
1
<?php
2
3
class
HTMLPurifier_DefinitionCache_Serializer
extends
4
HTMLPurifier_DefinitionCache
5
{
6
7
public
function
add
($def,
$config
) {
8
if
(!$this->
checkDefType
($def))
return
;
9
$file
= $this->
generateFilePath
(
$config
);
10
if
(file_exists(
$file
))
return
false
;
11
if
(!$this->
_prepareDir
(
$config
))
return
false
;
12
return
$this->
_write
(
$file
, serialize($def));
13
}
14
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public
function
set
($def,
$config
) {
16
if
(!$this->
checkDefType
($def))
return
;
17
$file
= $this->
generateFilePath
(
$config
);
18
if
(!$this->
_prepareDir
(
$config
))
return
false
;
19
return
$this->
_write
(
$file
, serialize($def));
20
}
21
22
public
function
replace
($def,
$config
) {
23
if
(!$this->
checkDefType
($def))
return
;
24
$file
= $this->
generateFilePath
(
$config
);
25
if
(!file_exists(
$file
))
return
false
;
26
if
(!$this->
_prepareDir
(
$config
))
return
false
;
27
return
$this->
_write
(
$file
, serialize($def));
28
}
29
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public
function
get
(
$config
) {
31
$file
= $this->
generateFilePath
(
$config
);
32
if
(!file_exists(
$file
))
return
false
;
33
return
unserialize(file_get_contents(
$file
));
34
}
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public
function
remove
(
$config
) {
37
$file
= $this->
generateFilePath
(
$config
);
38
if
(!file_exists(
$file
))
return
false
;
39
return
unlink(
$file
);
40
}
41
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public
function
flush
(
$config
) {
43
if
(!$this->
_prepareDir
(
$config
))
return
false
;
44
$dir
= $this->
generateDirectoryPath
(
$config
);
45
$dh = opendir(
$dir
);
46
while
(
false
!== (
$filename
= readdir($dh))) {
47
if
(empty(
$filename
))
continue
;
48
if
(
$filename
[0] ===
'.'
)
continue
;
49
unlink(
$dir
.
'/'
.
$filename
);
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}
51
}
52
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public
function
cleanup
(
$config
) {
54
if
(!$this->
_prepareDir
(
$config
))
return
false
;
55
$dir
= $this->
generateDirectoryPath
(
$config
);
56
$dh = opendir(
$dir
);
57
while
(
false
!== (
$filename
= readdir($dh))) {
58
if
(empty(
$filename
))
continue
;
59
if
(
$filename
[0] ===
'.'
)
continue
;
60
$key = substr(
$filename
, 0, strlen(
$filename
) - 4);
61
if
($this->
isOld
($key,
$config
)) unlink(
$dir
.
'/'
.
$filename
);
62
}
63
}
64
70
public
function
generateFilePath
(
$config
) {
71
$key = $this->
generateKey
(
$config
);
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return
$this->
generateDirectoryPath
(
$config
) .
'/'
. $key .
'.ser'
;
73
}
74
80
public
function
generateDirectoryPath
(
$config
) {
81
$base = $this->
generateBaseDirectoryPath
(
$config
);
82
return
$base .
'/'
.
$this->type
;
83
}
84
90
public
function
generateBaseDirectoryPath
(
$config
) {
91
$base =
$config
->get(
'Cache.SerializerPath'
);
92
$base = is_null($base) ? HTMLPURIFIER_PREFIX .
'/HTMLPurifier/DefinitionCache/Serializer'
: $base;
93
return
$base;
94
}
95
102
private
function
_write
(
$file
,
$data
) {
103
return
file_put_contents(
$file
,
$data
);
104
}
105
110
private
function
_prepareDir
(
$config
) {
111
$directory = $this->
generateDirectoryPath
(
$config
);
112
if
(!is_dir($directory)) {
113
$base = $this->
generateBaseDirectoryPath
(
$config
);
114
if
(!is_dir($base)) {
115
trigger_error(
'Base directory '
.$base.
' does not exist,
116
please create or change using %Cache.SerializerPath'
,
117
E_USER_WARNING);
118
return
false
;
119
} elseif (!$this->
_testPermissions
($base)) {
120
return
false
;
121
}
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$old = umask(0022);
// disable group and world writes
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mkdir($directory);
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umask($old);
125
} elseif (!$this->
_testPermissions
($directory)) {
126
return
false
;
127
}
128
return
true
;
129
}
130
135
private
function
_testPermissions
(
$dir
) {
136
// early abort, if it is writable, everything is hunky-dory
137
if
(is_writable(
$dir
))
return
true
;
138
if
(!is_dir(
$dir
)) {
139
// generally, you'll want to handle this beforehand
140
// so a more specific error message can be given
141
trigger_error(
'Directory '
.
$dir
.
' does not exist'
,
142
E_USER_WARNING);
143
return
false
;
144
}
145
if
(function_exists(
'posix_getuid'
)) {
146
// POSIX system, we can give more specific advice
147
if
(fileowner(
$dir
) === posix_getuid()) {
148
// we can chmod it ourselves
149
chmod(
$dir
, 0755);
150
return
true
;
151
} elseif (filegroup(
$dir
) === posix_getgid()) {
152
$chmod =
'775'
;
153
}
else
{
154
// PHP's probably running as nobody, so we'll
155
// need to give global permissions
156
$chmod =
'777'
;
157
}
158
trigger_error(
'Directory '
.
$dir
.
' not writable, '
.
159
'please chmod to '
. $chmod,
160
E_USER_WARNING);
161
}
else
{
162
// generic error message
163
trigger_error(
'Directory '
.
$dir
.
' not writable, '
.
164
'please alter file permissions'
,
165
E_USER_WARNING);
166
}
167
return
false
;
168
}
169
170
}
171
172
// vim: et sw=4 sts=4
Services
Html
HtmlPurifier
library
HTMLPurifier
DefinitionCache
Serializer.php
Generated on Mon Apr 25 2016 19:01:31 for ILIAS by
1.8.1.2 (using
Doxyfile
)