Collapse some nested if statements
[lhc/web/wiklou.git] / includes / specials / pagers / BlockListPager.php
1 <?php
2 /**
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
16 * http://www.gnu.org/copyleft/gpl.html
17 *
18 * @file
19 * @ingroup Pager
20 */
21
22 /**
23 * @ingroup Pager
24 */
25 use MediaWiki\Block\BlockRestriction;
26 use MediaWiki\Block\Restriction\Restriction;
27 use MediaWiki\Block\Restriction\PageRestriction;
28 use MediaWiki\Block\Restriction\NamespaceRestriction;
29 use MediaWiki\MediaWikiServices;
30 use Wikimedia\Rdbms\IResultWrapper;
31
32 class BlockListPager extends TablePager {
33
34 protected $conds;
35
36 /**
37 * Array of restrictions.
38 *
39 * @var Restriction[]
40 */
41 protected $restrictions = [];
42
43 /**
44 * @param SpecialPage $page
45 * @param array $conds
46 */
47 public function __construct( $page, $conds ) {
48 $this->conds = $conds;
49 $this->mDefaultDirection = IndexPager::DIR_DESCENDING;
50 parent::__construct( $page->getContext() );
51 }
52
53 function getFieldNames() {
54 static $headers = null;
55
56 if ( $headers === null ) {
57 $headers = [
58 'ipb_timestamp' => 'blocklist-timestamp',
59 'ipb_target' => 'blocklist-target',
60 'ipb_expiry' => 'blocklist-expiry',
61 'ipb_by' => 'blocklist-by',
62 'ipb_params' => 'blocklist-params',
63 'ipb_reason' => 'blocklist-reason',
64 ];
65 foreach ( $headers as $key => $val ) {
66 $headers[$key] = $this->msg( $val )->text();
67 }
68 }
69
70 return $headers;
71 }
72
73 function formatValue( $name, $value ) {
74 static $msg = null;
75 if ( $msg === null ) {
76 $keys = [
77 'anononlyblock',
78 'createaccountblock',
79 'noautoblockblock',
80 'emailblock',
81 'blocklist-nousertalk',
82 'unblocklink',
83 'change-blocklink',
84 'blocklist-editing',
85 'blocklist-editing-sitewide',
86 ];
87
88 foreach ( $keys as $key ) {
89 $msg[$key] = $this->msg( $key )->text();
90 }
91 }
92
93 /** @var object $row */
94 $row = $this->mCurrentRow;
95
96 $language = $this->getLanguage();
97
98 $formatted = '';
99
100 $linkRenderer = MediaWikiServices::getInstance()->getLinkRenderer();
101
102 switch ( $name ) {
103 case 'ipb_timestamp':
104 $formatted = htmlspecialchars( $language->userTimeAndDate( $value, $this->getUser() ) );
105 break;
106
107 case 'ipb_target':
108 if ( $row->ipb_auto ) {
109 $formatted = $this->msg( 'autoblockid', $row->ipb_id )->parse();
110 } else {
111 list( $target, $type ) = Block::parseTarget( $row->ipb_address );
112 switch ( $type ) {
113 case Block::TYPE_USER:
114 case Block::TYPE_IP:
115 $formatted = Linker::userLink( $target->getId(), $target );
116 $formatted .= Linker::userToolLinks(
117 $target->getId(),
118 $target,
119 false,
120 Linker::TOOL_LINKS_NOBLOCK
121 );
122 break;
123 case Block::TYPE_RANGE:
124 $formatted = htmlspecialchars( $target );
125 }
126 }
127 break;
128
129 case 'ipb_expiry':
130 $formatted = htmlspecialchars( $language->formatExpiry(
131 $value,
132 /* User preference timezone */true
133 ) );
134 if ( $this->getUser()->isAllowed( 'block' ) ) {
135 if ( $row->ipb_auto ) {
136 $links[] = $linkRenderer->makeKnownLink(
137 SpecialPage::getTitleFor( 'Unblock' ),
138 $msg['unblocklink'],
139 [],
140 [ 'wpTarget' => "#{$row->ipb_id}" ]
141 );
142 } else {
143 $links[] = $linkRenderer->makeKnownLink(
144 SpecialPage::getTitleFor( 'Unblock', $row->ipb_address ),
145 $msg['unblocklink']
146 );
147 $links[] = $linkRenderer->makeKnownLink(
148 SpecialPage::getTitleFor( 'Block', $row->ipb_address ),
149 $msg['change-blocklink']
150 );
151 }
152 $formatted .= ' ' . Html::rawElement(
153 'span',
154 [ 'class' => 'mw-blocklist-actions' ],
155 $this->msg( 'parentheses' )->rawParams(
156 $language->pipeList( $links ) )->escaped()
157 );
158 }
159 if ( $value !== 'infinity' ) {
160 $timestamp = new MWTimestamp( $value );
161 $formatted .= '<br />' . $this->msg(
162 'ipb-blocklist-duration-left',
163 $language->formatDuration(
164 $timestamp->getTimestamp() - MWTimestamp::time(),
165 // reasonable output
166 [
167 'minutes',
168 'hours',
169 'days',
170 'years',
171 ]
172 )
173 )->escaped();
174 }
175 break;
176
177 case 'ipb_by':
178 if ( isset( $row->by_user_name ) ) {
179 $formatted = Linker::userLink( $value, $row->by_user_name );
180 $formatted .= Linker::userToolLinks( $value, $row->by_user_name );
181 } else {
182 $formatted = htmlspecialchars( $row->ipb_by_text ); // foreign user?
183 }
184 break;
185
186 case 'ipb_reason':
187 $value = CommentStore::getStore()->getComment( 'ipb_reason', $row )->text;
188 $formatted = Linker::formatComment( $value );
189 break;
190
191 case 'ipb_params':
192 $properties = [];
193
194 if ( $this->getConfig()->get( 'EnablePartialBlocks' ) && $row->ipb_sitewide ) {
195 $properties[] = htmlspecialchars( $msg['blocklist-editing-sitewide'] );
196 }
197
198 if ( !$row->ipb_sitewide && $this->restrictions ) {
199 $list = $this->getRestrictionListHTML( $row );
200 if ( $list ) {
201 $properties[] = htmlspecialchars( $msg['blocklist-editing'] ) . $list;
202 }
203 }
204
205 if ( $row->ipb_anon_only ) {
206 $properties[] = htmlspecialchars( $msg['anononlyblock'] );
207 }
208 if ( $row->ipb_create_account ) {
209 $properties[] = htmlspecialchars( $msg['createaccountblock'] );
210 }
211 if ( $row->ipb_user && !$row->ipb_enable_autoblock ) {
212 $properties[] = htmlspecialchars( $msg['noautoblockblock'] );
213 }
214
215 if ( $row->ipb_block_email ) {
216 $properties[] = htmlspecialchars( $msg['emailblock'] );
217 }
218
219 if ( !$row->ipb_allow_usertalk ) {
220 $properties[] = htmlspecialchars( $msg['blocklist-nousertalk'] );
221 }
222
223 $formatted = Html::rawElement(
224 'ul',
225 [],
226 implode( '', array_map( function ( $prop ) {
227 return Html::rawElement(
228 'li',
229 [],
230 $prop
231 );
232 }, $properties ) )
233 );
234 break;
235
236 default:
237 $formatted = "Unable to format $name";
238 break;
239 }
240
241 return $formatted;
242 }
243
244 /**
245 * Get Restriction List HTML
246 *
247 * @param stdClass $row
248 *
249 * @return string
250 */
251 private function getRestrictionListHTML( stdClass $row ) {
252 $items = [];
253
254 foreach ( $this->restrictions as $restriction ) {
255 if ( $restriction->getBlockId() !== (int)$row->ipb_id ) {
256 continue;
257 }
258
259 switch ( $restriction->getType() ) {
260 case PageRestriction::TYPE:
261 if ( $restriction->getTitle() ) {
262 $items[$restriction->getType()][] = Html::rawElement(
263 'li',
264 [],
265 Linker::link( $restriction->getTitle() )
266 );
267 }
268 break;
269 case NamespaceRestriction::TYPE:
270 $text = $restriction->getValue() === NS_MAIN
271 ? $this->msg( 'blanknamespace' )
272 : $this->getLanguage()->getFormattedNsText(
273 $restriction->getValue()
274 );
275 $items[$restriction->getType()][] = Html::rawElement(
276 'li',
277 [],
278 Linker::link(
279 SpecialPage::getTitleValueFor( 'Allpages' ),
280 $text,
281 [],
282 [
283 'namespace' => $restriction->getValue()
284 ]
285 )
286 );
287 break;
288 }
289 }
290
291 if ( empty( $items ) ) {
292 return '';
293 }
294
295 $sets = [];
296 foreach ( $items as $key => $value ) {
297 $sets[] = Html::rawElement(
298 'li',
299 [],
300 $this->msg( 'blocklist-editing-' . $key ) . Html::rawElement(
301 'ul',
302 [],
303 implode( '', $value )
304 )
305 );
306 }
307
308 return Html::rawElement(
309 'ul',
310 [],
311 implode( '', $sets )
312 );
313 }
314
315 function getQueryInfo() {
316 $commentQuery = CommentStore::getStore()->getJoin( 'ipb_reason' );
317 $actorQuery = ActorMigration::newMigration()->getJoin( 'ipb_by' );
318
319 $info = [
320 'tables' => array_merge(
321 [ 'ipblocks' ], $commentQuery['tables'], $actorQuery['tables'], [ 'user' ]
322 ),
323 'fields' => [
324 'ipb_id',
325 'ipb_address',
326 'ipb_user',
327 'by_user_name' => 'user_name',
328 'ipb_timestamp',
329 'ipb_auto',
330 'ipb_anon_only',
331 'ipb_create_account',
332 'ipb_enable_autoblock',
333 'ipb_expiry',
334 'ipb_range_start',
335 'ipb_range_end',
336 'ipb_deleted',
337 'ipb_block_email',
338 'ipb_allow_usertalk',
339 'ipb_sitewide',
340 ] + $commentQuery['fields'] + $actorQuery['fields'],
341 'conds' => $this->conds,
342 'join_conds' => [
343 'user' => [ 'LEFT JOIN', 'user_id = ' . $actorQuery['fields']['ipb_by'] ]
344 ] + $commentQuery['joins'] + $actorQuery['joins']
345 ];
346
347 # Filter out any expired blocks
348 $db = $this->getDatabase();
349 $info['conds'][] = 'ipb_expiry > ' . $db->addQuotes( $db->timestamp() );
350
351 # Is the user allowed to see hidden blocks?
352 if ( !$this->getUser()->isAllowed( 'hideuser' ) ) {
353 $info['conds']['ipb_deleted'] = 0;
354 }
355
356 return $info;
357 }
358
359 /**
360 * Get total number of autoblocks at any given time
361 *
362 * @return int Total number of unexpired active autoblocks
363 */
364 function getTotalAutoblocks() {
365 $dbr = $this->getDatabase();
366 $res = $dbr->selectField( 'ipblocks',
367 [ 'COUNT(*) AS totalautoblocks' ],
368 [
369 'ipb_auto' => '1',
370 'ipb_expiry >= ' . $dbr->addQuotes( $dbr->timestamp() ),
371 ]
372 );
373 if ( $res ) {
374 return $res;
375 }
376 return 0; // We found nothing
377 }
378
379 protected function getTableClass() {
380 return parent::getTableClass() . ' mw-blocklist';
381 }
382
383 function getIndexField() {
384 return 'ipb_timestamp';
385 }
386
387 function getDefaultSort() {
388 return 'ipb_timestamp';
389 }
390
391 function isFieldSortable( $name ) {
392 return false;
393 }
394
395 /**
396 * Do a LinkBatch query to minimise database load when generating all these links
397 * @param IResultWrapper $result
398 */
399 function preprocessResults( $result ) {
400 # Do a link batch query
401 $lb = new LinkBatch;
402 $lb->setCaller( __METHOD__ );
403
404 $partialBlocks = [];
405 foreach ( $result as $row ) {
406 $lb->add( NS_USER, $row->ipb_address );
407 $lb->add( NS_USER_TALK, $row->ipb_address );
408
409 if ( isset( $row->by_user_name ) ) {
410 $lb->add( NS_USER, $row->by_user_name );
411 $lb->add( NS_USER_TALK, $row->by_user_name );
412 }
413
414 if ( !$row->ipb_sitewide ) {
415 $partialBlocks[] = $row->ipb_id;
416 }
417 }
418
419 if ( $partialBlocks ) {
420 // Mutations to the $row object are not persisted. The restrictions will
421 // need be stored in a separate store.
422 $this->restrictions = BlockRestriction::loadByBlockId( $partialBlocks );
423 }
424
425 $lb->execute();
426 }
427
428 }