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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
<?php
/**
* DokuWiki Plugin extension (Helper Component)
*
* @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
* @author Michael Hamann <michael@content-space.de>
*/
use dokuwiki\Cache\Cache;
use dokuwiki\HTTP\DokuHTTPClient;
use dokuwiki\Extension\PluginController;
/**
* Class helper_plugin_extension_repository provides access to the extension repository on dokuwiki.org
*/
class helper_plugin_extension_repository extends DokuWiki_Plugin
{
const EXTENSION_REPOSITORY_API = 'http://www.dokuwiki.org/lib/plugins/pluginrepo/api.php';
private $loaded_extensions = array();
private $has_access = null;
/**
* Initialize the repository (cache), fetches data for all installed plugins
*/
public function init()
{
/* @var PluginController $plugin_controller */
global $plugin_controller;
if ($this->hasAccess()) {
$list = $plugin_controller->getList('', true);
$request_data = array('fmt' => 'php');
$request_needed = false;
foreach ($list as $name) {
$cache = new Cache('##extension_manager##'.$name, '.repo');
if (!isset($this->loaded_extensions[$name]) &&
$this->hasAccess() &&
!$cache->useCache(array('age' => 3600 * 24))
) {
$this->loaded_extensions[$name] = true;
$request_data['ext'][] = $name;
$request_needed = true;
}
}
if ($request_needed) {
$httpclient = new DokuHTTPClient();
$data = $httpclient->post(self::EXTENSION_REPOSITORY_API, $request_data);
if ($data !== false) {
$extensions = unserialize($data);
foreach ($extensions as $extension) {
$cache = new Cache('##extension_manager##'.$extension['plugin'], '.repo');
$cache->storeCache(serialize($extension));
}
} else {
$this->has_access = false;
}
}
}
}
/**
* If repository access is available
*
* @param bool $usecache use cached result if still valid
* @return bool If repository access is available
*/
public function hasAccess($usecache = true) {
if ($this->has_access === null) {
$cache = new Cache('##extension_manager###hasAccess', '.repo');
if (!$cache->useCache(array('age' => 60*10, 'purge' => !$usecache))) {
$httpclient = new DokuHTTPClient();
$httpclient->timeout = 5;
$data = $httpclient->get(self::EXTENSION_REPOSITORY_API.'?cmd=ping');
if ($data !== false) {
$this->has_access = true;
$cache->storeCache(1);
} else {
$this->has_access = false;
$cache->storeCache(0);
}
} else {
$this->has_access = ($cache->retrieveCache(false) == 1);
}
}
return $this->has_access;
}
/**
* Get the remote data of an individual plugin or template
*
* @param string $name The plugin name to get the data for, template names need to be prefix by 'template:'
* @return array The data or null if nothing was found (possibly no repository access)
*/
public function getData($name)
{
$cache = new Cache('##extension_manager##'.$name, '.repo');
if (!isset($this->loaded_extensions[$name]) &&
$this->hasAccess() &&
!$cache->useCache(array('age' => 3600 * 24))
) {
$this->loaded_extensions[$name] = true;
$httpclient = new DokuHTTPClient();
$data = $httpclient->get(self::EXTENSION_REPOSITORY_API.'?fmt=php&ext[]='.urlencode($name));
if ($data !== false) {
$result = unserialize($data);
$cache->storeCache(serialize($result[0]));
return $result[0];
} else {
$this->has_access = false;
}
}
if (file_exists($cache->cache)) {
return unserialize($cache->retrieveCache(false));
}
return array();
}
/**
* Search for plugins or templates using the given query string
*
* @param string $q the query string
* @return array a list of matching extensions
*/
public function search($q)
{
$query = $this->parseQuery($q);
$query['fmt'] = 'php';
$httpclient = new DokuHTTPClient();
$data = $httpclient->post(self::EXTENSION_REPOSITORY_API, $query);
if ($data === false) return array();
$result = unserialize($data);
$ids = array();
// store cache info for each extension
foreach ($result as $ext) {
$name = $ext['plugin'];
$cache = new Cache('##extension_manager##'.$name, '.repo');
$cache->storeCache(serialize($ext));
$ids[] = $name;
}
return $ids;
}
/**
* Parses special queries from the query string
*
* @param string $q
* @return array
*/
protected function parseQuery($q)
{
$parameters = array(
'tag' => array(),
'mail' => array(),
'type' => array(),
'ext' => array()
);
// extract tags
if (preg_match_all('/(^|\s)(tag:([\S]+))/', $q, $matches, PREG_SET_ORDER)) {
foreach ($matches as $m) {
$q = str_replace($m[2], '', $q);
$parameters['tag'][] = $m[3];
}
}
// extract author ids
if (preg_match_all('/(^|\s)(authorid:([\S]+))/', $q, $matches, PREG_SET_ORDER)) {
foreach ($matches as $m) {
$q = str_replace($m[2], '', $q);
$parameters['mail'][] = $m[3];
}
}
// extract extensions
if (preg_match_all('/(^|\s)(ext:([\S]+))/', $q, $matches, PREG_SET_ORDER)) {
foreach ($matches as $m) {
$q = str_replace($m[2], '', $q);
$parameters['ext'][] = $m[3];
}
}
// extract types
if (preg_match_all('/(^|\s)(type:([\S]+))/', $q, $matches, PREG_SET_ORDER)) {
foreach ($matches as $m) {
$q = str_replace($m[2], '', $q);
$parameters['type'][] = $m[3];
}
}
// FIXME make integer from type value
$parameters['q'] = trim($q);
return $parameters;
}
}
// vim:ts=4:sw=4:et:
|
