Welcome to mirror list, hosted at ThFree Co, Russian Federation.

quota.php « wrapper « storage « files « private « lib - github.com/nextcloud/server.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
blob: bf169e41f13ca52c51c5155f96b98b5c9607aab6 (plain)
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
<?php
/**
 * Copyright (c) 2013 Robin Appelman <icewind@owncloud.com>
 * This file is licensed under the Affero General Public License version 3 or
 * later.
 * See the COPYING-README file.
 */

namespace OC\Files\Storage\Wrapper;

class Quota extends Wrapper {

	/**
	 * @var int $quota
	 */
	protected $quota;

	/**
	 * @var string $sizeRoot
	 */
	protected $sizeRoot;

	/**
	 * @param array $parameters
	 */
	public function __construct($parameters) {
		$this->storage = $parameters['storage'];
		$this->quota = $parameters['quota'];
		$this->sizeRoot = isset($parameters['root']) ? $parameters['root'] : '';
	}

	/**
	 * @return int quota value
	 */
	public function getQuota() {
		return $this->quota;
	}

	/**
	 * @param string $path
	 */
	protected function getSize($path) {
		$cache = $this->getCache();
		$data = $cache->get($path);
		if (is_array($data) and isset($data['size'])) {
			if (isset($data['unencrypted_size'])
				&& $data['unencrypted_size'] > 0
			) {
				return $data['unencrypted_size'];
			}
			return $data['size'];
		} else {
			return \OCP\Files\FileInfo::SPACE_NOT_COMPUTED;
		}
	}

	/**
	 * Get free space as limited by the quota
	 *
	 * @param string $path
	 * @return int
	 */
	public function free_space($path) {
		if ($this->quota < 0) {
			return $this->storage->free_space($path);
		} else {
			$used = $this->getSize($this->sizeRoot);
			if ($used < 0) {
				return \OCP\Files\FileInfo::SPACE_NOT_COMPUTED;
			} else {
				$free = $this->storage->free_space($path);
				$quotaFree = max($this->quota - $used, 0);
				// if free space is known
				if ($free >= 0) {
					$free = min($free, $quotaFree);
				} else {
					$free = $quotaFree;
				}
				return $free;
			}
		}
	}

	/**
	 * see http://php.net/manual/en/function.file_put_contents.php
	 *
	 * @param string $path
	 * @param string $data
	 * @return bool
	 */
	public function file_put_contents($path, $data) {
		$free = $this->free_space('');
		if ($free < 0 or strlen($data) < $free) {
			return $this->storage->file_put_contents($path, $data);
		} else {
			return false;
		}
	}

	/**
	 * see http://php.net/manual/en/function.copy.php
	 *
	 * @param string $source
	 * @param string $target
	 * @return bool
	 */
	public function copy($source, $target) {
		$free = $this->free_space('');
		if ($free < 0 or $this->getSize($source) < $free) {
			return $this->storage->copy($source, $target);
		} else {
			return false;
		}
	}

	/**
	 * see http://php.net/manual/en/function.fopen.php
	 *
	 * @param string $path
	 * @param string $mode
	 * @return resource
	 */
	public function fopen($path, $mode) {
		$source = $this->storage->fopen($path, $mode);
		$free = $this->free_space('');
		if ($source && $free >= 0 && $mode !== 'r' && $mode !== 'rb') {
			return \OC\Files\Stream\Quota::wrap($source, $free);
		} else {
			return $source;
		}
	}
}