|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
/** |
|
5
|
|
|
* Part-DB Version 0.4+ "nextgen" |
|
6
|
|
|
* Copyright (C) 2016 - 2019 Jan Böhmer |
|
7
|
|
|
* https://github.com/jbtronics. |
|
8
|
|
|
* |
|
9
|
|
|
* This program is free software; you can redistribute it and/or |
|
10
|
|
|
* modify it under the terms of the GNU General Public License |
|
11
|
|
|
* as published by the Free Software Foundation; either version 2 |
|
12
|
|
|
* of the License, or (at your option) any later version. |
|
13
|
|
|
* |
|
14
|
|
|
* This program is distributed in the hope that it will be useful, |
|
15
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
16
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
17
|
|
|
* GNU General Public License for more details. |
|
18
|
|
|
* |
|
19
|
|
|
* You should have received a copy of the GNU General Public License |
|
20
|
|
|
* along with this program; if not, write to the Free Software |
|
21
|
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA |
|
22
|
|
|
*/ |
|
23
|
|
|
|
|
24
|
|
|
namespace App\Entity; |
|
25
|
|
|
|
|
26
|
|
|
use Doctrine\ORM\Mapping as ORM; |
|
27
|
|
|
use Symfony\Component\Intl\Exception\NotImplementedException; |
|
28
|
|
|
|
|
29
|
|
|
/** |
|
30
|
|
|
* Class Attachment. |
|
31
|
|
|
* |
|
32
|
|
|
* @ORM\Entity |
|
33
|
|
|
* @ORM\Table(name="`attachements`") |
|
34
|
|
|
* @ORM\InheritanceType("SINGLE_TABLE") |
|
35
|
|
|
* @ORM\DiscriminatorColumn(name="class_name", type="string") |
|
36
|
|
|
* @ORM\DiscriminatorMap({"PartDB\Part" = "PartAttachment", "Part" = "PartAttachment"}) |
|
37
|
|
|
* |
|
38
|
|
|
*/ |
|
39
|
|
|
abstract class Attachment extends NamedDBElement |
|
40
|
|
|
{ |
|
41
|
|
|
/** |
|
42
|
|
|
* @var bool |
|
43
|
|
|
* @ORM\Column(type="boolean") |
|
44
|
|
|
*/ |
|
45
|
|
|
protected $show_in_table; |
|
46
|
|
|
|
|
47
|
|
|
/** |
|
48
|
|
|
* @var string The filename using the %BASE% variable |
|
49
|
|
|
* @ORM\Column(type="string", name="filename") |
|
50
|
|
|
*/ |
|
51
|
|
|
protected $path; |
|
52
|
|
|
|
|
53
|
|
|
/** |
|
54
|
|
|
* ORM mapping is done in sub classes (like PartAttachment) |
|
55
|
|
|
*/ |
|
56
|
|
|
protected $element; |
|
57
|
|
|
|
|
58
|
|
|
/** |
|
59
|
|
|
* @var AttachmentType |
|
60
|
|
|
* @ORM\ManyToOne(targetEntity="AttachmentType", inversedBy="attachments") |
|
61
|
|
|
* @ORM\JoinColumn(name="type_id", referencedColumnName="id") |
|
62
|
|
|
*/ |
|
63
|
|
|
protected $attachement_type; |
|
64
|
|
|
|
|
65
|
|
|
/*********************************************************** |
|
66
|
|
|
* Various function |
|
67
|
|
|
***********************************************************/ |
|
68
|
|
|
|
|
69
|
|
|
/** |
|
70
|
|
|
* Check if this attachement is a picture (analyse the file's extension). |
|
71
|
|
|
* |
|
72
|
|
|
* @return bool * true if the file extension is a picture extension |
|
73
|
|
|
* * otherwise false |
|
74
|
|
|
*/ |
|
75
|
|
|
public function isPicture(): bool |
|
76
|
|
|
{ |
|
77
|
|
|
$extension = pathinfo($this->getPath(), PATHINFO_EXTENSION); |
|
78
|
|
|
|
|
79
|
|
|
// list all file extensions which are supported to display them by HTML code |
|
80
|
|
|
$picture_extensions = array('gif', 'png', 'jpg', 'jpeg', 'bmp', 'svg', 'tif'); |
|
81
|
|
|
|
|
82
|
|
|
return in_array(strtolower($extension), $picture_extensions, true); |
|
83
|
|
|
} |
|
84
|
|
|
|
|
85
|
|
|
/** |
|
86
|
|
|
* Checks if the attachment file is externally saved (the database saves an URL) |
|
87
|
|
|
* @return bool true, if the file is saved externally |
|
88
|
|
|
*/ |
|
89
|
|
|
public function isExternal() : bool |
|
90
|
|
|
{ |
|
91
|
|
|
return static::isUrl($this->getPath()); |
|
92
|
|
|
} |
|
93
|
|
|
|
|
94
|
|
|
/******************************************************************************** |
|
95
|
|
|
* |
|
96
|
|
|
* Getters |
|
97
|
|
|
* |
|
98
|
|
|
*********************************************************************************/ |
|
99
|
|
|
|
|
100
|
|
|
/** |
|
101
|
|
|
* Returns the extension of the file referenced via the attachment. |
|
102
|
|
|
* For a path like %BASE/path/foo.bar, bar will be returned. |
|
103
|
|
|
* @return string |
|
104
|
|
|
*/ |
|
105
|
|
|
public function getExtension() : string |
|
106
|
|
|
{ |
|
107
|
|
|
return pathinfo($this->getPath(), PATHINFO_EXTENSION); |
|
108
|
|
|
} |
|
109
|
|
|
|
|
110
|
|
|
/** |
|
111
|
|
|
* Get the element, associated with this Attachement (for example a "Part" object). |
|
112
|
|
|
* |
|
113
|
|
|
* @return DBElement The associated Element. |
|
114
|
|
|
*/ |
|
115
|
|
|
public function getElement(): ?AttachmentContainingDBElement |
|
116
|
|
|
{ |
|
117
|
|
|
return $this->element; |
|
118
|
|
|
} |
|
119
|
|
|
|
|
120
|
|
|
/** |
|
121
|
|
|
* Checks if the file in this attachement is existing. This works for files on the HDD, and for URLs |
|
122
|
|
|
* (it's not checked if the ressource behind the URL is really existing). |
|
123
|
|
|
* |
|
124
|
|
|
* @return bool True if the file is existing. |
|
125
|
|
|
*/ |
|
126
|
|
|
public function isFileExisting(): bool |
|
127
|
|
|
{ |
|
128
|
|
|
return file_exists($this->getPath()) || static::isURL($this->getPath()); |
|
129
|
|
|
} |
|
130
|
|
|
|
|
131
|
|
|
/** |
|
132
|
|
|
* Get the filepath, relative to %BASE%. |
|
133
|
|
|
* |
|
134
|
|
|
* @return string A string like %BASE/path/foo.bar |
|
135
|
|
|
*/ |
|
136
|
|
|
public function getPath(): string |
|
137
|
|
|
{ |
|
138
|
|
|
return $this->path; |
|
139
|
|
|
} |
|
140
|
|
|
|
|
141
|
|
|
/** |
|
142
|
|
|
* Returns the filename of the attachment. |
|
143
|
|
|
* For a path like %BASE/path/foo.bar, foo.bar will be returned. |
|
144
|
|
|
* |
|
145
|
|
|
* If the path is a URL (can be checked via isExternal()), null will be returned. |
|
146
|
|
|
* |
|
147
|
|
|
* @return string|null |
|
148
|
|
|
*/ |
|
149
|
|
|
public function getFilename(): ?string |
|
150
|
|
|
{ |
|
151
|
|
|
if ($this->isExternal()) { |
|
152
|
|
|
return null; |
|
153
|
|
|
} |
|
154
|
|
|
|
|
155
|
|
|
return pathinfo($this->getPath(), PATHINFO_BASENAME); |
|
156
|
|
|
} |
|
157
|
|
|
|
|
158
|
|
|
/** |
|
159
|
|
|
* Get the show_in_table attribute. |
|
160
|
|
|
* |
|
161
|
|
|
* @return bool true means, this attachement will be listed in the "Attachements" column of the HTML tables |
|
162
|
|
|
* false means, this attachement won't be listed in the "Attachements" column of the HTML tables |
|
163
|
|
|
*/ |
|
164
|
|
|
public function getShowInTable(): bool |
|
165
|
|
|
{ |
|
166
|
|
|
return (bool) $this->show_in_table; |
|
167
|
|
|
} |
|
168
|
|
|
|
|
169
|
|
|
/** |
|
170
|
|
|
* Get the type of this attachement. |
|
171
|
|
|
* |
|
172
|
|
|
* @return AttachmentType the type of this attachement |
|
173
|
|
|
* |
|
174
|
|
|
*/ |
|
175
|
|
|
public function getType(): AttachmentType |
|
176
|
|
|
{ |
|
177
|
|
|
return $this->attachement_type; |
|
178
|
|
|
} |
|
179
|
|
|
|
|
180
|
|
|
/** |
|
181
|
|
|
* Returns the ID as an string, defined by the element class. |
|
182
|
|
|
* This should have a form like P000014, for a part with ID 14. |
|
183
|
|
|
* |
|
184
|
|
|
* @return string The ID as a string; |
|
185
|
|
|
*/ |
|
186
|
|
|
public function getIDString(): string |
|
187
|
|
|
{ |
|
188
|
|
|
return 'A'.sprintf('%09d', $this->getID()); |
|
189
|
|
|
} |
|
190
|
|
|
|
|
191
|
|
|
/***************************************************************************************************** |
|
192
|
|
|
* Setters |
|
193
|
|
|
****************************************************************************************************/ |
|
194
|
|
|
|
|
195
|
|
|
/** |
|
196
|
|
|
* @param bool $show_in_table |
|
197
|
|
|
* |
|
198
|
|
|
* @return self |
|
199
|
|
|
*/ |
|
200
|
|
|
public function setShowInTable(bool $show_in_table): self |
|
201
|
|
|
{ |
|
202
|
|
|
$this->show_in_table = $show_in_table; |
|
203
|
|
|
|
|
204
|
|
|
return $this; |
|
205
|
|
|
} |
|
206
|
|
|
|
|
207
|
|
|
/***************************************************************************************************** |
|
208
|
|
|
* Static functions |
|
209
|
|
|
*****************************************************************************************************/ |
|
210
|
|
|
|
|
211
|
|
|
/** |
|
212
|
|
|
* Check if a string is a URL and is valid. |
|
213
|
|
|
* @param $string string The string which should be checked. |
|
214
|
|
|
* @param bool $path_required If true, the string must contain a path to be valid. (e.g. foo.bar would be invalid, foo.bar/test.php would be valid). |
|
215
|
|
|
* @param $only_http bool Set this to true, if only HTTPS or HTTP schemata should be allowed. |
|
216
|
|
|
* *Caution: When this is set to false, a attacker could use the file:// schema, to get internal server files, like /etc/passwd.* |
|
217
|
|
|
* @return bool True if the string is a valid URL. False, if the string is not an URL or invalid. |
|
218
|
|
|
*/ |
|
219
|
|
|
public static function isURL(string $string, bool $path_required = true, bool $only_http = true) : bool |
|
220
|
|
|
{ |
|
221
|
|
|
if ($only_http) { //Check if scheme is HTTPS or HTTP |
|
222
|
|
|
$scheme = parse_url($string, PHP_URL_SCHEME); |
|
223
|
|
|
if ($scheme !== 'http' && $scheme !== 'https') { |
|
224
|
|
|
return false; //All other schemes are not valid. |
|
225
|
|
|
} |
|
226
|
|
|
} |
|
227
|
|
|
if ($path_required) { |
|
228
|
|
|
return (bool) filter_var($string, FILTER_VALIDATE_URL, FILTER_FLAG_PATH_REQUIRED); |
|
229
|
|
|
} else { |
|
230
|
|
|
return (bool) filter_var($string, FILTER_VALIDATE_URL); |
|
231
|
|
|
} |
|
232
|
|
|
} |
|
233
|
|
|
} |
|
234
|
|
|
|