diff options
author | Nicolas Lœuillet <nicolas@loeuillet.org> | 2014-02-21 15:57:10 +0100 |
---|---|---|
committer | Nicolas Lœuillet <nicolas@loeuillet.org> | 2014-02-21 15:57:10 +0100 |
commit | 99679d06884120c57f43b44e55e03595f1f87bed (patch) | |
tree | a3f2a1aa1afdaeca1386d0c6e8a75344fd2241fb /inc/3rdparty/htmlpurifier/HTMLPurifier/DefinitionCache/Serializer.php | |
parent | 655214ab30ee84884dc408488b85586f36263fcb (diff) | |
parent | d3b47e94705e17b3ba3529cbb1dc6efe69c5d2b7 (diff) | |
download | wallabag-1.5.2.tar.gz wallabag-1.5.2.tar.zst wallabag-1.5.2.zip |
Merge pull request #481 from wallabag/dev1.5.2
1.5.2
Diffstat (limited to 'inc/3rdparty/htmlpurifier/HTMLPurifier/DefinitionCache/Serializer.php')
-rw-r--r-- | inc/3rdparty/htmlpurifier/HTMLPurifier/DefinitionCache/Serializer.php | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/DefinitionCache/Serializer.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/DefinitionCache/Serializer.php new file mode 100644 index 00000000..7e8539ad --- /dev/null +++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/DefinitionCache/Serializer.php | |||
@@ -0,0 +1,285 @@ | |||
1 | <?php | ||
2 | |||
3 | class HTMLPurifier_DefinitionCache_Serializer extends HTMLPurifier_DefinitionCache | ||
4 | { | ||
5 | |||
6 | /** | ||
7 | * @param HTMLPurifier_Definition $def | ||
8 | * @param HTMLPurifier_Config $config | ||
9 | * @return int|bool | ||
10 | */ | ||
11 | public function add($def, $config) | ||
12 | { | ||
13 | if (!$this->checkDefType($def)) { | ||
14 | return; | ||
15 | } | ||
16 | $file = $this->generateFilePath($config); | ||
17 | if (file_exists($file)) { | ||
18 | return false; | ||
19 | } | ||
20 | if (!$this->_prepareDir($config)) { | ||
21 | return false; | ||
22 | } | ||
23 | return $this->_write($file, serialize($def), $config); | ||
24 | } | ||
25 | |||
26 | /** | ||
27 | * @param HTMLPurifier_Definition $def | ||
28 | * @param HTMLPurifier_Config $config | ||
29 | * @return int|bool | ||
30 | */ | ||
31 | public function set($def, $config) | ||
32 | { | ||
33 | if (!$this->checkDefType($def)) { | ||
34 | return; | ||
35 | } | ||
36 | $file = $this->generateFilePath($config); | ||
37 | if (!$this->_prepareDir($config)) { | ||
38 | return false; | ||
39 | } | ||
40 | return $this->_write($file, serialize($def), $config); | ||
41 | } | ||
42 | |||
43 | /** | ||
44 | * @param HTMLPurifier_Definition $def | ||
45 | * @param HTMLPurifier_Config $config | ||
46 | * @return int|bool | ||
47 | */ | ||
48 | public function replace($def, $config) | ||
49 | { | ||
50 | if (!$this->checkDefType($def)) { | ||
51 | return; | ||
52 | } | ||
53 | $file = $this->generateFilePath($config); | ||
54 | if (!file_exists($file)) { | ||
55 | return false; | ||
56 | } | ||
57 | if (!$this->_prepareDir($config)) { | ||
58 | return false; | ||
59 | } | ||
60 | return $this->_write($file, serialize($def), $config); | ||
61 | } | ||
62 | |||
63 | /** | ||
64 | * @param HTMLPurifier_Config $config | ||
65 | * @return bool|HTMLPurifier_Config | ||
66 | */ | ||
67 | public function get($config) | ||
68 | { | ||
69 | $file = $this->generateFilePath($config); | ||
70 | if (!file_exists($file)) { | ||
71 | return false; | ||
72 | } | ||
73 | return unserialize(file_get_contents($file)); | ||
74 | } | ||
75 | |||
76 | /** | ||
77 | * @param HTMLPurifier_Config $config | ||
78 | * @return bool | ||
79 | */ | ||
80 | public function remove($config) | ||
81 | { | ||
82 | $file = $this->generateFilePath($config); | ||
83 | if (!file_exists($file)) { | ||
84 | return false; | ||
85 | } | ||
86 | return unlink($file); | ||
87 | } | ||
88 | |||
89 | /** | ||
90 | * @param HTMLPurifier_Config $config | ||
91 | * @return bool | ||
92 | */ | ||
93 | public function flush($config) | ||
94 | { | ||
95 | if (!$this->_prepareDir($config)) { | ||
96 | return false; | ||
97 | } | ||
98 | $dir = $this->generateDirectoryPath($config); | ||
99 | $dh = opendir($dir); | ||
100 | while (false !== ($filename = readdir($dh))) { | ||
101 | if (empty($filename)) { | ||
102 | continue; | ||
103 | } | ||
104 | if ($filename[0] === '.') { | ||
105 | continue; | ||
106 | } | ||
107 | unlink($dir . '/' . $filename); | ||
108 | } | ||
109 | } | ||
110 | |||
111 | /** | ||
112 | * @param HTMLPurifier_Config $config | ||
113 | * @return bool | ||
114 | */ | ||
115 | public function cleanup($config) | ||
116 | { | ||
117 | if (!$this->_prepareDir($config)) { | ||
118 | return false; | ||
119 | } | ||
120 | $dir = $this->generateDirectoryPath($config); | ||
121 | $dh = opendir($dir); | ||
122 | while (false !== ($filename = readdir($dh))) { | ||
123 | if (empty($filename)) { | ||
124 | continue; | ||
125 | } | ||
126 | if ($filename[0] === '.') { | ||
127 | continue; | ||
128 | } | ||
129 | $key = substr($filename, 0, strlen($filename) - 4); | ||
130 | if ($this->isOld($key, $config)) { | ||
131 | unlink($dir . '/' . $filename); | ||
132 | } | ||
133 | } | ||
134 | } | ||
135 | |||
136 | /** | ||
137 | * Generates the file path to the serial file corresponding to | ||
138 | * the configuration and definition name | ||
139 | * @param HTMLPurifier_Config $config | ||
140 | * @return string | ||
141 | * @todo Make protected | ||
142 | */ | ||
143 | public function generateFilePath($config) | ||
144 | { | ||
145 | $key = $this->generateKey($config); | ||
146 | return $this->generateDirectoryPath($config) . '/' . $key . '.ser'; | ||
147 | } | ||
148 | |||
149 | /** | ||
150 | * Generates the path to the directory contain this cache's serial files | ||
151 | * @param HTMLPurifier_Config $config | ||
152 | * @return string | ||
153 | * @note No trailing slash | ||
154 | * @todo Make protected | ||
155 | */ | ||
156 | public function generateDirectoryPath($config) | ||
157 | { | ||
158 | $base = $this->generateBaseDirectoryPath($config); | ||
159 | return $base . '/' . $this->type; | ||
160 | } | ||
161 | |||
162 | /** | ||
163 | * Generates path to base directory that contains all definition type | ||
164 | * serials | ||
165 | * @param HTMLPurifier_Config $config | ||
166 | * @return mixed|string | ||
167 | * @todo Make protected | ||
168 | */ | ||
169 | public function generateBaseDirectoryPath($config) | ||
170 | { | ||
171 | $base = $config->get('Cache.SerializerPath'); | ||
172 | $base = is_null($base) ? HTMLPURIFIER_PREFIX . '/HTMLPurifier/DefinitionCache/Serializer' : $base; | ||
173 | return $base; | ||
174 | } | ||
175 | |||
176 | /** | ||
177 | * Convenience wrapper function for file_put_contents | ||
178 | * @param string $file File name to write to | ||
179 | * @param string $data Data to write into file | ||
180 | * @param HTMLPurifier_Config $config | ||
181 | * @return int|bool Number of bytes written if success, or false if failure. | ||
182 | */ | ||
183 | private function _write($file, $data, $config) | ||
184 | { | ||
185 | $result = file_put_contents($file, $data); | ||
186 | if ($result !== false) { | ||
187 | // set permissions of the new file (no execute) | ||
188 | $chmod = $config->get('Cache.SerializerPermissions'); | ||
189 | if (!$chmod) { | ||
190 | $chmod = 0644; // invalid config or simpletest | ||
191 | } | ||
192 | $chmod = $chmod & 0666; | ||
193 | chmod($file, $chmod); | ||
194 | } | ||
195 | return $result; | ||
196 | } | ||
197 | |||
198 | /** | ||
199 | * Prepares the directory that this type stores the serials in | ||
200 | * @param HTMLPurifier_Config $config | ||
201 | * @return bool True if successful | ||
202 | */ | ||
203 | private function _prepareDir($config) | ||
204 | { | ||
205 | $directory = $this->generateDirectoryPath($config); | ||
206 | $chmod = $config->get('Cache.SerializerPermissions'); | ||
207 | if (!$chmod) { | ||
208 | $chmod = 0755; // invalid config or simpletest | ||
209 | } | ||
210 | if (!is_dir($directory)) { | ||
211 | $base = $this->generateBaseDirectoryPath($config); | ||
212 | if (!is_dir($base)) { | ||
213 | trigger_error( | ||
214 | 'Base directory ' . $base . ' does not exist, | ||
215 | please create or change using %Cache.SerializerPath', | ||
216 | E_USER_WARNING | ||
217 | ); | ||
218 | return false; | ||
219 | } elseif (!$this->_testPermissions($base, $chmod)) { | ||
220 | return false; | ||
221 | } | ||
222 | $old = umask(0000); | ||
223 | mkdir($directory, $chmod); | ||
224 | umask($old); | ||
225 | } elseif (!$this->_testPermissions($directory, $chmod)) { | ||
226 | return false; | ||
227 | } | ||
228 | return true; | ||
229 | } | ||
230 | |||
231 | /** | ||
232 | * Tests permissions on a directory and throws out friendly | ||
233 | * error messages and attempts to chmod it itself if possible | ||
234 | * @param string $dir Directory path | ||
235 | * @param int $chmod Permissions | ||
236 | * @return bool True if directory is writable | ||
237 | */ | ||
238 | private function _testPermissions($dir, $chmod) | ||
239 | { | ||
240 | // early abort, if it is writable, everything is hunky-dory | ||
241 | if (is_writable($dir)) { | ||
242 | return true; | ||
243 | } | ||
244 | if (!is_dir($dir)) { | ||
245 | // generally, you'll want to handle this beforehand | ||
246 | // so a more specific error message can be given | ||
247 | trigger_error( | ||
248 | 'Directory ' . $dir . ' does not exist', | ||
249 | E_USER_WARNING | ||
250 | ); | ||
251 | return false; | ||
252 | } | ||
253 | if (function_exists('posix_getuid')) { | ||
254 | // POSIX system, we can give more specific advice | ||
255 | if (fileowner($dir) === posix_getuid()) { | ||
256 | // we can chmod it ourselves | ||
257 | $chmod = $chmod | 0700; | ||
258 | if (chmod($dir, $chmod)) { | ||
259 | return true; | ||
260 | } | ||
261 | } elseif (filegroup($dir) === posix_getgid()) { | ||
262 | $chmod = $chmod | 0070; | ||
263 | } else { | ||
264 | // PHP's probably running as nobody, so we'll | ||
265 | // need to give global permissions | ||
266 | $chmod = $chmod | 0777; | ||
267 | } | ||
268 | trigger_error( | ||
269 | 'Directory ' . $dir . ' not writable, ' . | ||
270 | 'please chmod to ' . decoct($chmod), | ||
271 | E_USER_WARNING | ||
272 | ); | ||
273 | } else { | ||
274 | // generic error message | ||
275 | trigger_error( | ||
276 | 'Directory ' . $dir . ' not writable, ' . | ||
277 | 'please alter file permissions', | ||
278 | E_USER_WARNING | ||
279 | ); | ||
280 | } | ||
281 | return false; | ||
282 | } | ||
283 | } | ||
284 | |||
285 | // vim: et sw=4 sts=4 | ||