ecommun / owncloud_ynh

Blame view

sources/apps/files_external/lib/irods.php 3.77 KB
edit raw normal view history
03e52840d   Kload   Init 
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
 
  <?php
  /**
   * Copyright (c) 2013 Thomas Müller <thomas.mueller@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;
  
  set_include_path(get_include_path() . PATH_SEPARATOR .
  	\OC_App::getAppPath('files_external') . '/3rdparty/irodsphp/prods/src');
  
  ob_start();
  require_once 'ProdsConfig.inc.php';
  require_once 'ProdsStreamer.class.php';
  ob_end_clean();
  
  class iRODS extends \OC\Files\Storage\StreamWrapper{
  	private $password;
  	private $user;
  	private $host;
  	private $port;
  	private $zone;
  	private $root;
  	private $use_logon_credentials;
  	private $auth_mode;
  
  	public function __construct($params) {
  		if (isset($params['host'])) {
31b7f2792   Kload   Upgrade to ownclo... 
31
 
  			$this->host = $params['host'];
03e52840d   Kload   Init 
32
33
34
35
36
37
38
39
40
41
42
43
44
 
  			$this->port = isset($params['port']) ? $params['port'] : 1247;
  			$this->user = isset($params['user']) ? $params['user'] : '';
  			$this->password = isset($params['password']) ? $params['password'] : '';
  			$this->use_logon_credentials = ($params['use_logon_credentials'] === 'true');
  			$this->zone = $params['zone'];
  			$this->auth_mode = isset($params['auth_mode']) ? $params['auth_mode'] : '';
  
  			$this->root = isset($params['root']) ? $params['root'] : '/';
  			if ( ! $this->root || $this->root[0] !== '/') {
  				$this->root='/'.$this->root;
  			}
  
  			// take user and password from the session
31b7f2792   Kload   Upgrade to ownclo... 
45
 
  			if ($this->use_logon_credentials && \OC::$session->exists('irods-credentials'))
03e52840d   Kload   Init 
46
 
  			{
31b7f2792   Kload   Upgrade to ownclo... 
47
48
49
 
  				$params = \OC::$session->get('irods-credentials');
  				$this->user = $params['uid'];
  				$this->password = $params['password'];
03e52840d   Kload   Init 
50
51
52
53
54
55
56
57
58
59
60
61
62
 
  			}
  
  			//create the root folder if necessary
  			if ( ! $this->is_dir('')) {
  				$this->mkdir('');
  			}
  		} else {
  			throw new \Exception();
  		}
  
  	}
  
  	public static function login( $params ) {
31b7f2792   Kload   Upgrade to ownclo... 
63
 
  		\OC::$session->set('irods-credentials', $params);
03e52840d   Kload   Init 
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
 
  	}
  
  	public function getId(){
  		return 'irods::' . $this->user . '@' . $this->host . '/' . $this->root;
  	}
  
  	/**
  	 * construct the rods url
  	 * @param string $path
  	 * @return string
  	 */
  	public function constructUrl($path) {
  		$path = rtrim($path,'/');
  		if ( $path === '' || $path[0] !== '/') {
  			$path = '/'.$path;
  		}
  
  		// adding auth method
  		$userWithZone = $this->user.'.'.$this->zone;
  		if ($this->auth_mode !== '') {
  			$userWithZone .= '.'.$this->auth_mode;
  		}
  
  		// url wrapper schema is named rods
  		return 'rods://'.$userWithZone.':'.$this->password.'@'.$this->host.':'.$this->port.$this->root.$path;
  	}
  
  	public function filetype($path) {
  		return @filetype($this->constructUrl($path));
  	}
  
  	public function mkdir($path) {
  		return @mkdir($this->constructUrl($path));
  	}
  
  	public function touch($path, $mtime=null) {
  
  		// we cannot set a time
  		if ($mtime != null) {
  			return false;
  		}
  
  		$path = $this->constructUrl($path);
  
  		// if the file doesn't exist we create it
  		if (!file_exists($path)) {
  			file_put_contents($path, '');
  			return true;
  		}
  
  		// mtime updates are not supported
  		return false;
  	}
  
  	/**
  	 * check if a file or folder has been updated since $time
  	 * @param string $path
  	 * @param int $time
  	 * @return bool
  	 */
  	public function hasUpdated($path,$time) {
  		// this it a work around for folder mtimes -> we loop it's content
  		if ( $this->is_dir($path)) {
  			$actualTime=$this->collectionMTime($path);
  			return $actualTime>$time;
  		}
  
  		$actualTime=$this->filemtime($path);
  		return $actualTime>$time;
  	}
  
  	/**
  	 * get the best guess for the modification time of an iRODS collection
  	 */
  	private function collectionMTime($path) {
  		$dh = $this->opendir($path);
  		$lastCTime = $this->filemtime($path);
  		if(is_resource($dh)) {
  			while (($file = readdir($dh)) !== false) {
  				if ($file != '.' and $file != '..') {
  					$time = $this->filemtime($file);
  					if ($time > $lastCTime) {
  						$lastCTime = $time;
  					}
  				}
  			}
  		}
  		return $lastCTime;
  	}
  
  }