Merge "StringUtils: Add a utility for checking if a string is a valid regex"
[lhc/web/wiklou.git] / includes / logging / ManualLogEntry.php
1 <?php
2 /**
3 * Contains a class for dealing with manual log entries
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * http://www.gnu.org/copyleft/gpl.html
19 *
20 * @file
21 * @author Niklas Laxström
22 * @license GPL-2.0-or-later
23 * @since 1.19
24 */
25
26 use MediaWiki\ChangeTags\Taggable;
27 use MediaWiki\Linker\LinkTarget;
28 use MediaWiki\User\UserIdentity;
29 use Wikimedia\Rdbms\IDatabase;
30 use Wikimedia\Assert\Assert;
31
32 /**
33 * Class for creating new log entries and inserting them into the database.
34 *
35 * @since 1.19
36 */
37 class ManualLogEntry extends LogEntryBase implements Taggable {
38 /** @var string Type of log entry */
39 protected $type;
40
41 /** @var string Sub type of log entry */
42 protected $subtype;
43
44 /** @var array Parameters for log entry */
45 protected $parameters = [];
46
47 /** @var array */
48 protected $relations = [];
49
50 /** @var User Performer of the action for the log entry */
51 protected $performer;
52
53 /** @var Title Target title for the log entry */
54 protected $target;
55
56 /** @var string Timestamp of creation of the log entry */
57 protected $timestamp;
58
59 /** @var string Comment for the log entry */
60 protected $comment = '';
61
62 /** @var int A rev id associated to the log entry */
63 protected $revId = 0;
64
65 /** @var string[] Change tags add to the log entry */
66 protected $tags = [];
67
68 /** @var int Deletion state of the log entry */
69 protected $deleted;
70
71 /** @var int ID of the log entry */
72 protected $id;
73
74 /** @var bool Can this log entry be patrolled? */
75 protected $isPatrollable = false;
76
77 /** @var bool Whether this is a legacy log entry */
78 protected $legacy = false;
79
80 /**
81 * @since 1.19
82 * @param string $type
83 * @param string $subtype
84 */
85 public function __construct( $type, $subtype ) {
86 $this->type = $type;
87 $this->subtype = $subtype;
88 }
89
90 /**
91 * Set extra log parameters.
92 *
93 * You can pass params to the log action message by prefixing the keys with
94 * a number and optional type, using colons to separate the fields. The
95 * numbering should start with number 4, the first three parameters are
96 * hardcoded for every message.
97 *
98 * If you want to store stuff that should not be available in messages, don't
99 * prefix the array key with a number and don't use the colons.
100 *
101 * Example:
102 * $entry->setParameters(
103 * '4::color' => 'blue',
104 * '5:number:count' => 3000,
105 * 'animal' => 'dog'
106 * );
107 *
108 * @since 1.19
109 * @param array $parameters Associative array
110 */
111 public function setParameters( $parameters ) {
112 $this->parameters = $parameters;
113 }
114
115 /**
116 * Declare arbitrary tag/value relations to this log entry.
117 * These can be used to filter log entries later on.
118 *
119 * @param array $relations Map of (tag => (list of values|value))
120 * @since 1.22
121 */
122 public function setRelations( array $relations ) {
123 $this->relations = $relations;
124 }
125
126 /**
127 * Set the user that performed the action being logged.
128 *
129 * @since 1.19
130 * @param UserIdentity $performer
131 */
132 public function setPerformer( UserIdentity $performer ) {
133 $this->performer = User::newFromIdentity( $performer );
134 }
135
136 /**
137 * Set the title of the object changed.
138 *
139 * @since 1.19
140 * @param LinkTarget $target
141 */
142 public function setTarget( LinkTarget $target ) {
143 $this->target = Title::newFromLinkTarget( $target );
144 }
145
146 /**
147 * Set the timestamp of when the logged action took place.
148 *
149 * @since 1.19
150 * @param string $timestamp
151 */
152 public function setTimestamp( $timestamp ) {
153 $this->timestamp = $timestamp;
154 }
155
156 /**
157 * Set a comment associated with the action being logged.
158 *
159 * @since 1.19
160 * @param string $comment
161 */
162 public function setComment( $comment ) {
163 $this->comment = $comment;
164 }
165
166 /**
167 * Set an associated revision id.
168 *
169 * For example, the ID of the revision that was inserted to mark a page move
170 * or protection, file upload, etc.
171 *
172 * @since 1.27
173 * @param int $revId
174 */
175 public function setAssociatedRevId( $revId ) {
176 $this->revId = $revId;
177 }
178
179 /**
180 * Set change tags for the log entry.
181 *
182 * Passing `null` means the same as empty array,
183 * for compatibility with WikiPage::doUpdateRestrictions().
184 *
185 * @since 1.27
186 * @param string|string[]|null $tags
187 * @deprecated since 1.33 Please use addTags() instead
188 */
189 public function setTags( $tags ) {
190 if ( $this->tags ) {
191 wfDebug( 'Overwriting existing ManualLogEntry tags' );
192 }
193 $this->tags = [];
194 $this->addTags( $tags );
195 }
196
197 /**
198 * Add change tags for the log entry
199 *
200 * @since 1.33
201 * @param string|string[]|null $tags Tags to apply
202 */
203 public function addTags( $tags ) {
204 if ( $tags === null ) {
205 return;
206 }
207
208 if ( is_string( $tags ) ) {
209 $tags = [ $tags ];
210 }
211 Assert::parameterElementType( 'string', $tags, 'tags' );
212 $this->tags = array_unique( array_merge( $this->tags, $tags ) );
213 }
214
215 /**
216 * Set whether this log entry should be made patrollable
217 * This shouldn't depend on config, only on whether there is full support
218 * in the software for patrolling this log entry.
219 * False by default
220 *
221 * @since 1.27
222 * @param bool $patrollable
223 */
224 public function setIsPatrollable( $patrollable ) {
225 $this->isPatrollable = (bool)$patrollable;
226 }
227
228 /**
229 * Set the 'legacy' flag
230 *
231 * @since 1.25
232 * @param bool $legacy
233 */
234 public function setLegacy( $legacy ) {
235 $this->legacy = $legacy;
236 }
237
238 /**
239 * Set the 'deleted' flag.
240 *
241 * @since 1.19
242 * @param int $deleted One of LogPage::DELETED_* bitfield constants
243 */
244 public function setDeleted( $deleted ) {
245 $this->deleted = $deleted;
246 }
247
248 /**
249 * Insert the entry into the `logging` table.
250 *
251 * @param IDatabase|null $dbw
252 * @return int ID of the log entry
253 * @throws MWException
254 */
255 public function insert( IDatabase $dbw = null ) {
256 $dbw = $dbw ?: wfGetDB( DB_MASTER );
257
258 if ( $this->timestamp === null ) {
259 $this->timestamp = wfTimestampNow();
260 }
261
262 // Trim spaces on user supplied text
263 $comment = trim( $this->getComment() );
264
265 $params = $this->getParameters();
266 $relations = $this->relations;
267
268 // Additional fields for which there's no space in the database table schema
269 $revId = $this->getAssociatedRevId();
270 if ( $revId ) {
271 $params['associated_rev_id'] = $revId;
272 $relations['associated_rev_id'] = $revId;
273 }
274
275 $data = [
276 'log_type' => $this->getType(),
277 'log_action' => $this->getSubtype(),
278 'log_timestamp' => $dbw->timestamp( $this->getTimestamp() ),
279 'log_namespace' => $this->getTarget()->getNamespace(),
280 'log_title' => $this->getTarget()->getDBkey(),
281 'log_page' => $this->getTarget()->getArticleID(),
282 'log_params' => LogEntryBase::makeParamBlob( $params ),
283 ];
284 if ( isset( $this->deleted ) ) {
285 $data['log_deleted'] = $this->deleted;
286 }
287 $data += CommentStore::getStore()->insert( $dbw, 'log_comment', $comment );
288 $data += ActorMigration::newMigration()
289 ->getInsertValues( $dbw, 'log_user', $this->getPerformer() );
290
291 $dbw->insert( 'logging', $data, __METHOD__ );
292 $this->id = $dbw->insertId();
293
294 $rows = [];
295 foreach ( $relations as $tag => $values ) {
296 if ( !strlen( $tag ) ) {
297 throw new MWException( "Got empty log search tag." );
298 }
299
300 if ( !is_array( $values ) ) {
301 $values = [ $values ];
302 }
303
304 foreach ( $values as $value ) {
305 $rows[] = [
306 'ls_field' => $tag,
307 'ls_value' => $value,
308 'ls_log_id' => $this->id
309 ];
310 }
311 }
312 if ( count( $rows ) ) {
313 $dbw->insert( 'log_search', $rows, __METHOD__, [ 'IGNORE' ] );
314 }
315
316 return $this->id;
317 }
318
319 /**
320 * Get a RecentChanges object for the log entry
321 *
322 * @param int $newId
323 * @return RecentChange
324 * @since 1.23
325 */
326 public function getRecentChange( $newId = 0 ) {
327 $formatter = LogFormatter::newFromEntry( $this );
328 $context = RequestContext::newExtraneousContext( $this->getTarget() );
329 $formatter->setContext( $context );
330
331 $logpage = SpecialPage::getTitleFor( 'Log', $this->getType() );
332 $user = $this->getPerformer();
333 $ip = "";
334 if ( $user->isAnon() ) {
335 // "MediaWiki default" and friends may have
336 // no IP address in their name
337 if ( IP::isIPAddress( $user->getName() ) ) {
338 $ip = $user->getName();
339 }
340 }
341
342 return RecentChange::newLogEntry(
343 $this->getTimestamp(),
344 $logpage,
345 $user,
346 $formatter->getPlainActionText(),
347 $ip,
348 $this->getType(),
349 $this->getSubtype(),
350 $this->getTarget(),
351 $this->getComment(),
352 LogEntryBase::makeParamBlob( $this->getParameters() ),
353 $newId,
354 $formatter->getIRCActionComment(), // Used for IRC feeds
355 $this->getAssociatedRevId(), // Used for e.g. moves and uploads
356 $this->getIsPatrollable()
357 );
358 }
359
360 /**
361 * Publish the log entry.
362 *
363 * @param int $newId Id of the log entry.
364 * @param string $to One of: rcandudp (default), rc, udp
365 */
366 public function publish( $newId, $to = 'rcandudp' ) {
367 $canAddTags = true;
368 // FIXME: this code should be removed once all callers properly call publish()
369 if ( $to === 'udp' && !$newId && !$this->getAssociatedRevId() ) {
370 \MediaWiki\Logger\LoggerFactory::getInstance( 'logging' )->warning(
371 'newId and/or revId must be set when calling ManualLogEntry::publish()',
372 [
373 'newId' => $newId,
374 'to' => $to,
375 'revId' => $this->getAssociatedRevId(),
376 // pass a new exception to register the stack trace
377 'exception' => new RuntimeException()
378 ]
379 );
380 $canAddTags = false;
381 }
382
383 DeferredUpdates::addCallableUpdate(
384 function () use ( $newId, $to, $canAddTags ) {
385 $log = new LogPage( $this->getType() );
386 if ( !$log->isRestricted() ) {
387 Hooks::runWithoutAbort( 'ManualLogEntryBeforePublish', [ $this ] );
388 $rc = $this->getRecentChange( $newId );
389
390 if ( $to === 'rc' || $to === 'rcandudp' ) {
391 // save RC, passing tags so they are applied there
392 $rc->addTags( $this->getTags() );
393 $rc->save( $rc::SEND_NONE );
394 } else {
395 $tags = $this->getTags();
396 if ( $tags && $canAddTags ) {
397 $revId = $this->getAssociatedRevId();
398 ChangeTags::addTags(
399 $tags,
400 null,
401 $revId > 0 ? $revId : null,
402 $newId > 0 ? $newId : null
403 );
404 }
405 }
406
407 if ( $to === 'udp' || $to === 'rcandudp' ) {
408 $rc->notifyRCFeeds();
409 }
410 }
411 },
412 DeferredUpdates::POSTSEND,
413 wfGetDB( DB_MASTER )
414 );
415 }
416
417 public function getType() {
418 return $this->type;
419 }
420
421 public function getSubtype() {
422 return $this->subtype;
423 }
424
425 public function getParameters() {
426 return $this->parameters;
427 }
428
429 /**
430 * @return User
431 */
432 public function getPerformer() {
433 return $this->performer;
434 }
435
436 /**
437 * @return Title
438 */
439 public function getTarget() {
440 return $this->target;
441 }
442
443 public function getTimestamp() {
444 $ts = $this->timestamp ?? wfTimestampNow();
445
446 return wfTimestamp( TS_MW, $ts );
447 }
448
449 public function getComment() {
450 return $this->comment;
451 }
452
453 /**
454 * @since 1.27
455 * @return int
456 */
457 public function getAssociatedRevId() {
458 return $this->revId;
459 }
460
461 /**
462 * @since 1.27
463 * @return string[]
464 */
465 public function getTags() {
466 return $this->tags;
467 }
468
469 /**
470 * Whether this log entry is patrollable
471 *
472 * @since 1.27
473 * @return bool
474 */
475 public function getIsPatrollable() {
476 return $this->isPatrollable;
477 }
478
479 /**
480 * @since 1.25
481 * @return bool
482 */
483 public function isLegacy() {
484 return $this->legacy;
485 }
486
487 public function getDeleted() {
488 return (int)$this->deleted;
489 }
490 }