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
|
<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Bart Visscher <bartv@thisnet.nl>
* @author Joas Schilling <coding@schilljs.com>
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin McCorkell <robin@mccorkell.me.uk>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\Template;
abstract class ResourceLocator {
protected $theme;
protected $mapping;
protected $serverroot;
protected $thirdpartyroot;
protected $webroot;
protected $resources = array();
/** @var \OCP\ILogger */
protected $logger;
/**
* @param \OCP\ILogger $logger
* @param string $theme
* @param array $core_map
* @param array $party_map
*/
public function __construct(\OCP\ILogger $logger, $theme, $core_map, $party_map) {
$this->logger = $logger;
$this->theme = $theme;
$this->mapping = $core_map + $party_map;
$this->serverroot = key($core_map);
$this->thirdpartyroot = key($party_map);
$this->webroot = $this->mapping[$this->serverroot];
}
/**
* @param string $resource
*/
abstract public function doFind($resource);
/**
* @param string $resource
*/
abstract public function doFindTheme($resource);
/**
* Finds the resources and adds them to the list
*
* @param array $resources
*/
public function find($resources) {
foreach ($resources as $resource) {
try {
$this->doFind($resource);
} catch (ResourceNotFoundException $e) {
$resourceApp = substr($resource, 0, strpos($resource, '/'));
$this->logger->debug('Could not find resource file "' . $e->getResourcePath() . '"', ['app' => $resourceApp]);
}
}
if (!empty($this->theme)) {
foreach ($resources as $resource) {
try {
$this->doFindTheme($resource);
} catch (ResourceNotFoundException $e) {
$resourceApp = substr($resource, 0, strpos($resource, '/'));
$this->logger->debug('Could not find resource file in theme "' . $e->getResourcePath() . '"', ['app' => $resourceApp]);
}
}
}
}
/**
* append the $file resource if exist at $root
*
* @param string $root path to check
* @param string $file the filename
* @param string|null $webRoot base for path, default map $root to $webRoot
* @return bool True if the resource was found, false otherwise
*/
protected function appendIfExist($root, $file, $webRoot = null) {
if (is_file($root.'/'.$file)) {
$this->append($root, $file, $webRoot, false);
return true;
}
return false;
}
/**
* Attempt to find the webRoot
*
* traverse the potential web roots upwards in the path
*
* example:
* - root: /srv/www/apps/myapp
* - available mappings: ['/srv/www']
*
* First we check if a mapping for /srv/www/apps/myapp is available,
* then /srv/www/apps, /srv/www/apps, /srv/www, ... until we find a
* valid web root
*
* @param string $root
* @return string|null The web root or null on failure
*/
protected function findWebRoot($root) {
$webRoot = null;
$tmpRoot = $root;
while ($webRoot === null) {
if (isset($this->mapping[$tmpRoot])) {
$webRoot = $this->mapping[$tmpRoot];
break;
}
if ($tmpRoot === '/') {
break;
}
$tmpRoot = dirname($tmpRoot);
}
if ($webRoot === null) {
$realpath = realpath($root);
if ($realpath && ($realpath !== $root)) {
return $this->findWebRoot($realpath);
}
}
return $webRoot;
}
/**
* append the $file resource at $root
*
* @param string $root path to check
* @param string $file the filename
* @param string|null $webRoot base for path, default map $root to $webRoot
* @param bool $throw Throw an exception, when the route does not exist
* @throws ResourceNotFoundException Only thrown when $throw is true and the resource is missing
*/
protected function append($root, $file, $webRoot = null, $throw = true) {
if (!is_string($root)) {
if ($throw) {
throw new ResourceNotFoundException($file, $webRoot);
}
return;
}
if (!$webRoot) {
$webRoot = $this->findWebRoot($root);
if ($webRoot === null) {
$webRoot = '';
$this->logger->error('ResourceLocator can not find a web root (root: {root}, file: {file}, webRoot: {webRoot}, throw: {throw})', [
'app' => 'lib',
'root' => $root,
'file' => $file,
'webRoot' => $webRoot,
'throw' => $throw ? 'true' : 'false'
]);
}
}
$this->resources[] = array($root, $webRoot, $file);
if ($throw && !is_file($root . '/' . $file)) {
throw new ResourceNotFoundException($file, $webRoot);
}
}
/**
* Returns the list of all resources that should be loaded
* @return array
*/
public function getResources() {
return $this->resources;
}
}
|
