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
|
<?php
/**
* @author Arthur Schiwon <blizzz@owncloud.com>
* @author Christopher Schäpers <kondou@ts.unde.re>
* @author Lukas Reschke <lukas@owncloud.com>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <icewind@owncloud.com>
* @author Roeland Jago Douma <rullzer@owncloud.com>
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
* @copyright Copyright (c) 2016, ownCloud, Inc.
* @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;
use OC\User\User;
use OCP\Files\Folder;
use OCP\Files\File;
use OCP\Files\NotFoundException;
use OCP\Files\NotPermittedException;
use OCP\IAvatar;
use OCP\IImage;
use OCP\IL10N;
use OC_Image;
use OCP\ILogger;
/**
* This class gets and sets users avatars.
*/
class Avatar implements IAvatar {
/** @var Folder */
private $folder;
/** @var IL10N */
private $l;
/** @var User */
private $user;
/** @var ILogger */
private $logger;
/**
* constructor
*
* @param Folder $folder The folder where the avatars are
* @param IL10N $l
* @param User $user
* @param ILogger $logger
*/
public function __construct (Folder $folder, IL10N $l, $user, ILogger $logger) {
$this->folder = $folder;
$this->l = $l;
$this->user = $user;
$this->logger = $logger;
}
/**
* @inheritdoc
*/
public function get ($size = 64) {
try {
$file = $this->getFile($size);
} catch (NotFoundException $e) {
return false;
}
$avatar = new OC_Image();
$avatar->loadFromData($file->getContent());
return $avatar;
}
/**
* Check if an avatar exists for the user
*
* @return bool
*/
public function exists() {
return $this->folder->nodeExists('avatar.jpg') || $this->folder->nodeExists('avatar.png');
}
/**
* sets the users avatar
* @param IImage|resource|string $data An image object, imagedata or path to set a new avatar
* @throws \Exception if the provided file is not a jpg or png image
* @throws \Exception if the provided image is not valid
* @throws NotSquareException if the image is not square
* @return void
*/
public function set ($data) {
if($data instanceOf IImage) {
$img = $data;
$data = $img->data();
} else {
$img = new OC_Image($data);
}
$type = substr($img->mimeType(), -3);
if ($type === 'peg') {
$type = 'jpg';
}
if ($type !== 'jpg' && $type !== 'png') {
throw new \Exception($this->l->t("Unknown filetype"));
}
if (!$img->valid()) {
throw new \Exception($this->l->t("Invalid image"));
}
if (!($img->height() === $img->width())) {
throw new NotSquareException();
}
$this->remove();
$this->folder->newFile('avatar.'.$type)->putContent($data);
$this->user->triggerChange('avatar');
}
/**
* remove the users avatar
* @return void
*/
public function remove () {
$regex = '/^avatar\.([0-9]+\.)?(jpg|png)$/';
$avatars = $this->folder->search('avatar');
foreach ($avatars as $avatar) {
if (preg_match($regex, $avatar->getName())) {
$avatar->delete();
}
}
$this->user->triggerChange('avatar');
}
/**
* @inheritdoc
*/
public function getFile($size) {
$ext = $this->getExtension();
if ($size === -1) {
$path = 'avatar.' . $ext;
} else {
$path = 'avatar.' . $size . '.' . $ext;
}
try {
$file = $this->folder->get($path);
} catch (NotFoundException $e) {
if ($size <= 0) {
throw new NotFoundException;
}
$avatar = new OC_Image();
/** @var File $file */
$file = $this->folder->get('avatar.' . $ext);
$avatar->loadFromData($file->getContent());
if ($size !== -1) {
$avatar->resize($size);
}
try {
$file = $this->folder->newFile($path);
$file->putContent($avatar->data());
} catch (NotPermittedException $e) {
$this->logger->error('Failed to save avatar for ' . $this->user->getUID());
}
}
return $file;
}
/**
* Get the extension of the avatar. If there is no avatar throw Exception
*
* @return string
* @throws NotFoundException
*/
private function getExtension() {
if ($this->folder->nodeExists('avatar.jpg')) {
return 'jpg';
} elseif ($this->folder->nodeExists('avatar.png')) {
return 'png';
}
throw new NotFoundException;
}
}
|
