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1 | <?php |
2 | /** |
3 | * Copyright © 2004 Brooke Vibber <bvibber@wikimedia.org> |
4 | * https://www.mediawiki.org/ |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License as published by |
8 | * the Free Software Foundation; either version 2 of the License, or |
9 | * (at your option) any later version. |
10 | * |
11 | * This program is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | * GNU General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU General Public License along |
17 | * with this program; if not, write to the Free Software Foundation, Inc., |
18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
19 | * http://www.gnu.org/copyleft/gpl.html |
20 | * |
21 | * @file |
22 | */ |
23 | |
24 | namespace MediaWiki\Feed; |
25 | |
26 | use LanguageCode; |
27 | use MediaWiki\MainConfigNames; |
28 | use MediaWiki\MediaWikiServices; |
29 | use MediaWiki\Title\Title; |
30 | |
31 | /** |
32 | * @defgroup Feed Feed |
33 | */ |
34 | |
35 | /** |
36 | * A base class for outputting syndication feeds (e.g. RSS and other formats). |
37 | * |
38 | * @ingroup Feed |
39 | */ |
40 | class FeedItem { |
41 | /** @var Title */ |
42 | public $title; |
43 | |
44 | public $description; |
45 | |
46 | public $url; |
47 | |
48 | public $date; |
49 | |
50 | public $author; |
51 | |
52 | public $uniqueId; |
53 | |
54 | public $comments; |
55 | |
56 | public $rssIsPermalink = false; |
57 | |
58 | /** |
59 | * @param string|Title $title Item's title |
60 | * @param string $description |
61 | * @param string $url URL uniquely designating the item. |
62 | * @param string $date Item's date |
63 | * @param string $author Author's user name |
64 | * @param string $comments |
65 | */ |
66 | public function __construct( |
67 | $title, $description, $url, $date = '', $author = '', $comments = '' |
68 | ) { |
69 | $this->title = $title; |
70 | $this->description = $description; |
71 | $this->url = $url; |
72 | $this->uniqueId = $url; |
73 | $this->date = $date; |
74 | $this->author = $author; |
75 | $this->comments = $comments; |
76 | } |
77 | |
78 | /** |
79 | * Encode $string so that it can be safely embedded in a XML document |
80 | * |
81 | * @param string $string String to encode |
82 | * @return string |
83 | */ |
84 | public function xmlEncode( $string ) { |
85 | $string = str_replace( "\r\n", "\n", $string ); |
86 | $string = preg_replace( '/[\x00-\x08\x0b\x0c\x0e-\x1f]/', '', $string ); |
87 | return htmlspecialchars( $string ); |
88 | } |
89 | |
90 | /** |
91 | * Get the unique id of this item; already xml-encoded |
92 | * @return string |
93 | */ |
94 | public function getUniqueID() { |
95 | $id = $this->getUniqueIdUnescaped(); |
96 | if ( $id ) { |
97 | return $this->xmlEncode( $id ); |
98 | } |
99 | } |
100 | |
101 | /** |
102 | * Get the unique id of this item, without any escaping |
103 | * @return string |
104 | */ |
105 | public function getUniqueIdUnescaped() { |
106 | if ( $this->uniqueId ) { |
107 | return wfExpandUrl( $this->uniqueId, PROTO_CURRENT ); |
108 | } |
109 | } |
110 | |
111 | /** |
112 | * Set the unique id of an item |
113 | * |
114 | * @param string $uniqueId Unique id for the item |
115 | * @param bool $rssIsPermalink Set to true if the guid (unique id) is a permalink (RSS feeds only) |
116 | */ |
117 | public function setUniqueId( $uniqueId, $rssIsPermalink = false ) { |
118 | $this->uniqueId = $uniqueId; |
119 | $this->rssIsPermalink = $rssIsPermalink; |
120 | } |
121 | |
122 | /** |
123 | * Get the title of this item; already xml-encoded |
124 | * |
125 | * @return string |
126 | */ |
127 | public function getTitle() { |
128 | return $this->xmlEncode( $this->title ); |
129 | } |
130 | |
131 | /** |
132 | * Get the URL of this item; already xml-encoded |
133 | * |
134 | * @return string |
135 | */ |
136 | public function getUrl() { |
137 | return $this->xmlEncode( $this->url ); |
138 | } |
139 | |
140 | /** Get the URL of this item without any escaping |
141 | * |
142 | * @return string |
143 | */ |
144 | public function getUrlUnescaped() { |
145 | return $this->url; |
146 | } |
147 | |
148 | /** |
149 | * Get the description of this item; already xml-encoded |
150 | * |
151 | * @return string |
152 | */ |
153 | public function getDescription() { |
154 | return $this->xmlEncode( $this->description ); |
155 | } |
156 | |
157 | /** |
158 | * Get the description of this item without any escaping |
159 | * |
160 | * @return string |
161 | */ |
162 | public function getDescriptionUnescaped() { |
163 | return $this->description; |
164 | } |
165 | |
166 | /** |
167 | * Get the language of this item |
168 | * |
169 | * @return string |
170 | */ |
171 | public function getLanguage() { |
172 | $languageCode = MediaWikiServices::getInstance()->getMainConfig() |
173 | ->get( MainConfigNames::LanguageCode ); |
174 | return LanguageCode::bcp47( $languageCode ); |
175 | } |
176 | |
177 | /** |
178 | * Get the date of this item |
179 | * |
180 | * @return string |
181 | */ |
182 | public function getDate() { |
183 | return $this->date; |
184 | } |
185 | |
186 | /** |
187 | * Get the author of this item; already xml-encoded |
188 | * |
189 | * @return string |
190 | */ |
191 | public function getAuthor() { |
192 | return $this->xmlEncode( $this->author ); |
193 | } |
194 | |
195 | /** |
196 | * Get the author of this item without any escaping |
197 | * |
198 | * @return string |
199 | */ |
200 | public function getAuthorUnescaped() { |
201 | return $this->author; |
202 | } |
203 | |
204 | /** |
205 | * Get the comment of this item; already xml-encoded |
206 | * |
207 | * @return string |
208 | */ |
209 | public function getComments() { |
210 | return $this->xmlEncode( $this->comments ); |
211 | } |
212 | |
213 | /** |
214 | * Get the comment of this item without any escaping |
215 | * |
216 | * @return string |
217 | */ |
218 | public function getCommentsUnescaped() { |
219 | return $this->comments; |
220 | } |
221 | |
222 | /** |
223 | * Quickie hack... strip out wikilinks to more legible form from the comment. |
224 | * |
225 | * @param string $text Wikitext |
226 | * @return string |
227 | */ |
228 | public static function stripComment( $text ) { |
229 | return preg_replace( '/\[\[([^]]*\|)?([^]]+)\]\]/', '\2', $text ); |
230 | } |
231 | |
232 | } |
233 | |
234 | /** @deprecated class alias since 1.40 */ |
235 | class_alias( FeedItem::class, 'FeedItem' ); |