MediaWiki  master
BlockRestrictionStore.php
Go to the documentation of this file.
1 <?php
23 namespace MediaWiki\Block;
24 
32 
34 
38  private $types = [
41  ];
42 
46  private $loadBalancer;
47 
48  /*
49  * @param LoadBalancer $loadBalancer load balancer for acquiring database connections
50  */
52  $this->loadBalancer = $loadBalancer;
53  }
54 
63  public function loadByBlockId( $blockId, IDatabase $db = null ) {
64  if ( $blockId === null || $blockId === [] ) {
65  return [];
66  }
67 
68  $db = $db ?: $this->loadBalancer->getConnection( DB_REPLICA );
69 
70  $result = $db->select(
71  [ 'ipblocks_restrictions', 'page' ],
72  [ 'ir_ipb_id', 'ir_type', 'ir_value', 'page_namespace', 'page_title' ],
73  [ 'ir_ipb_id' => $blockId ],
74  __METHOD__,
75  [],
76  [ 'page' => [ 'LEFT JOIN', [ 'ir_type' => PageRestriction::TYPE_ID, 'ir_value=page_id' ] ] ]
77  );
78 
79  return $this->resultToRestrictions( $result );
80  }
81 
89  public function insert( array $restrictions ) {
90  if ( !$restrictions ) {
91  return false;
92  }
93 
94  $rows = [];
95  foreach ( $restrictions as $restriction ) {
96  if ( !$restriction instanceof Restriction ) {
97  continue;
98  }
99  $rows[] = $restriction->toRow();
100  }
101 
102  if ( !$rows ) {
103  return false;
104  }
105 
106  $dbw = $this->loadBalancer->getConnection( DB_MASTER );
107 
108  $dbw->insert(
109  'ipblocks_restrictions',
110  $rows,
111  __METHOD__,
112  [ 'IGNORE' ]
113  );
114 
115  return true;
116  }
117 
126  public function update( array $restrictions ) {
127  $dbw = $this->loadBalancer->getConnection( DB_MASTER );
128 
129  $dbw->startAtomic( __METHOD__ );
130 
131  // Organize the restrictions by blockid.
132  $restrictionList = $this->restrictionsByBlockId( $restrictions );
133 
134  // Load the existing restrictions and organize by block id. Any block ids
135  // that were passed into this function will be used to load all of the
136  // existing restrictions. This list might be the same, or may be completely
137  // different.
138  $existingList = [];
139  $blockIds = array_keys( $restrictionList );
140  if ( !empty( $blockIds ) ) {
141  $result = $dbw->select(
142  [ 'ipblocks_restrictions' ],
143  [ 'ir_ipb_id', 'ir_type', 'ir_value' ],
144  [ 'ir_ipb_id' => $blockIds ],
145  __METHOD__,
146  [ 'FOR UPDATE' ]
147  );
148 
149  $existingList = $this->restrictionsByBlockId(
150  $this->resultToRestrictions( $result )
151  );
152  }
153 
154  $result = true;
155  // Perform the actions on a per block-id basis.
156  foreach ( $restrictionList as $blockId => $blockRestrictions ) {
157  // Insert all of the restrictions first, ignoring ones that already exist.
158  $success = $this->insert( $blockRestrictions );
159 
160  // Update the result. The first false is the result, otherwise, true.
161  $result = $success && $result;
162 
163  $restrictionsToRemove = $this->restrictionsToRemove(
164  $existingList[$blockId] ?? [],
165  $restrictions
166  );
167 
168  if ( empty( $restrictionsToRemove ) ) {
169  continue;
170  }
171 
172  $success = $this->delete( $restrictionsToRemove );
173 
174  // Update the result. The first false is the result, otherwise, true.
175  $result = $success && $result;
176  }
177 
178  $dbw->endAtomic( __METHOD__ );
179 
180  return $result;
181  }
182 
191  public function updateByParentBlockId( $parentBlockId, array $restrictions ) {
192  // If removing all of the restrictions, then just delete them all.
193  if ( empty( $restrictions ) ) {
194  return $this->deleteByParentBlockId( $parentBlockId );
195  }
196 
197  $parentBlockId = (int)$parentBlockId;
198 
199  $db = $this->loadBalancer->getConnection( DB_MASTER );
200 
201  $db->startAtomic( __METHOD__ );
202 
203  $blockIds = $db->selectFieldValues(
204  'ipblocks',
205  'ipb_id',
206  [ 'ipb_parent_block_id' => $parentBlockId ],
207  __METHOD__,
208  [ 'FOR UPDATE' ]
209  );
210 
211  $result = true;
212  foreach ( $blockIds as $id ) {
213  $success = $this->update( $this->setBlockId( $id, $restrictions ) );
214  // Update the result. The first false is the result, otherwise, true.
215  $result = $success && $result;
216  }
217 
218  $db->endAtomic( __METHOD__ );
219 
220  return $result;
221  }
222 
231  public function delete( array $restrictions ) {
232  $dbw = $this->loadBalancer->getConnection( DB_MASTER );
233  $result = true;
234  foreach ( $restrictions as $restriction ) {
235  if ( !$restriction instanceof Restriction ) {
236  continue;
237  }
238 
239  $success = $dbw->delete(
240  'ipblocks_restrictions',
241  // The restriction row is made up of a compound primary key. Therefore,
242  // the row and the delete conditions are the same.
243  $restriction->toRow(),
244  __METHOD__
245  );
246  // Update the result. The first false is the result, otherwise, true.
247  $result = $success && $result;
248  }
249 
250  return $result;
251  }
252 
261  public function deleteByBlockId( $blockId ) {
262  $dbw = $this->loadBalancer->getConnection( DB_MASTER );
263  return $dbw->delete(
264  'ipblocks_restrictions',
265  [ 'ir_ipb_id' => $blockId ],
266  __METHOD__
267  );
268  }
269 
278  public function deleteByParentBlockId( $parentBlockId ) {
279  $dbw = $this->loadBalancer->getConnection( DB_MASTER );
280  return $dbw->deleteJoin(
281  'ipblocks_restrictions',
282  'ipblocks',
283  'ir_ipb_id',
284  'ipb_id',
285  [ 'ipb_parent_block_id' => $parentBlockId ],
286  __METHOD__
287  );
288  }
289 
300  public function equals( array $a, array $b ) {
301  $filter = function ( $restriction ) {
302  return $restriction instanceof Restriction;
303  };
304 
305  // Ensure that every item in the array is a Restriction. This prevents a
306  // fatal error from calling Restriction::getHash if something in the array
307  // is not a restriction.
308  $a = array_filter( $a, $filter );
309  $b = array_filter( $b, $filter );
310 
311  $aCount = count( $a );
312  $bCount = count( $b );
313 
314  // If the count is different, then they are obviously a different set.
315  if ( $aCount !== $bCount ) {
316  return false;
317  }
318 
319  // If both sets contain no items, then they are the same set.
320  if ( $aCount === 0 && $bCount === 0 ) {
321  return true;
322  }
323 
324  $hasher = function ( $r ) {
325  return $r->getHash();
326  };
327 
328  $aHashes = array_map( $hasher, $a );
329  $bHashes = array_map( $hasher, $b );
330 
331  sort( $aHashes );
332  sort( $bHashes );
333 
334  return $aHashes === $bHashes;
335  }
336 
345  public function setBlockId( $blockId, array $restrictions ) {
346  $blockRestrictions = [];
347 
348  foreach ( $restrictions as $restriction ) {
349  if ( !$restriction instanceof Restriction ) {
350  continue;
351  }
352 
353  // Clone the restriction so any references to the current restriction are
354  // not suddenly changed to a different blockId.
355  $restriction = clone $restriction;
356  $restriction->setBlockId( $blockId );
357 
358  $blockRestrictions[] = $restriction;
359  }
360 
361  return $blockRestrictions;
362  }
363 
372  private function restrictionsToRemove( array $existing, array $new ) {
373  return array_filter( $existing, function ( $e ) use ( $new ) {
374  foreach ( $new as $restriction ) {
375  if ( !$restriction instanceof Restriction ) {
376  continue;
377  }
378 
379  if ( $restriction->equals( $e ) ) {
380  return false;
381  }
382  }
383 
384  return true;
385  } );
386  }
387 
395  private function restrictionsByBlockId( array $restrictions ) {
396  $blockRestrictions = [];
397 
398  foreach ( $restrictions as $restriction ) {
399  // Ensure that all of the items in the array are restrictions.
400  if ( !$restriction instanceof Restriction ) {
401  continue;
402  }
403 
404  if ( !isset( $blockRestrictions[$restriction->getBlockId()] ) ) {
405  $blockRestrictions[$restriction->getBlockId()] = [];
406  }
407 
408  $blockRestrictions[$restriction->getBlockId()][] = $restriction;
409  }
410 
411  return $blockRestrictions;
412  }
413 
421  $restrictions = [];
422  foreach ( $result as $row ) {
423  $restriction = $this->rowToRestriction( $row );
424 
425  if ( !$restriction ) {
426  continue;
427  }
428 
429  $restrictions[] = $restriction;
430  }
431 
432  return $restrictions;
433  }
434 
441  private function rowToRestriction( \stdClass $row ) {
442  if ( array_key_exists( (int)$row->ir_type, $this->types ) ) {
443  $class = $this->types[ (int)$row->ir_type ];
444  return call_user_func( [ $class, 'newFromRow' ], $row );
445  }
446 
447  return null;
448  }
449 }
do that in ParserLimitReportFormat instead use this to modify the parameters of the image all existing parser cache entries will be invalid To avoid you ll need to handle that somehow(e.g. with the RejectParserCacheValue hook) because MediaWiki won 't do it for you. & $defaults also a ContextSource after deleting those rows but within the same transaction $rows
Definition: hooks.txt:2633
resultToRestrictions(IResultWrapper $result)
Convert an Result Wrapper to an array of restrictions.
$success
Apache License January AND DISTRIBUTION Definitions License shall mean the terms and conditions for use
div flags Integer display flags(NO_ACTION_LINK, NO_EXTRA_USER_LINKS) 'LogException' returning false will NOT prevent logging $e
Definition: hooks.txt:2159
rowToRestriction(\stdClass $row)
Convert a result row from the database into a restriction object.
const DB_MASTER
Definition: defines.php:26
insert(array $restrictions)
Inserts the restrictions into the database.
The index of the header message $result[1]=The index of the body text message $result[2 through n]=Parameters passed to body text message. Please note the header message cannot receive/use parameters. 'ImportHandleLogItemXMLTag':When parsing a XML tag in a log item. Return false to stop further processing of the tag $reader:XMLReader object $logInfo:Array of information 'ImportHandlePageXMLTag':When parsing a XML tag in a page. Return false to stop further processing of the tag $reader:XMLReader object & $pageInfo:Array of information 'ImportHandleRevisionXMLTag':When parsing a XML tag in a page revision. Return false to stop further processing of the tag $reader:XMLReader object $pageInfo:Array of page information $revisionInfo:Array of revision information 'ImportHandleToplevelXMLTag':When parsing a top level XML tag. Return false to stop further processing of the tag $reader:XMLReader object 'ImportHandleUnknownUser':When a user doesn 't exist locally, this hook is called to give extensions an opportunity to auto-create it. If the auto-creation is successful, return false. $name:User name 'ImportHandleUploadXMLTag':When parsing a XML tag in a file upload. Return false to stop further processing of the tag $reader:XMLReader object $revisionInfo:Array of information 'ImportLogInterwikiLink':Hook to change the interwiki link used in log entries and edit summaries for transwiki imports. & $fullInterwikiPrefix:Interwiki prefix, may contain colons. & $pageTitle:String that contains page title. 'ImportSources':Called when reading from the $wgImportSources configuration variable. Can be used to lazy-load the import sources list. & $importSources:The value of $wgImportSources. Modify as necessary. See the comment in DefaultSettings.php for the detail of how to structure this array. 'InfoAction':When building information to display on the action=info page. $context:IContextSource object & $pageInfo:Array of information 'InitializeArticleMaybeRedirect':MediaWiki check to see if title is a redirect. & $title:Title object for the current page & $request:WebRequest & $ignoreRedirect:boolean to skip redirect check & $target:Title/string of redirect target & $article:Article object 'InternalParseBeforeLinks':during Parser 's internalParse method before links but after nowiki/noinclude/includeonly/onlyinclude and other processings. & $parser:Parser object & $text:string containing partially parsed text & $stripState:Parser 's internal StripState object 'InternalParseBeforeSanitize':during Parser 's internalParse method just before the parser removes unwanted/dangerous HTML tags and after nowiki/noinclude/includeonly/onlyinclude and other processings. Ideal for syntax-extensions after template/parser function execution which respect nowiki and HTML-comments. & $parser:Parser object & $text:string containing partially parsed text & $stripState:Parser 's internal StripState object 'InterwikiLoadPrefix':When resolving if a given prefix is an interwiki or not. Return true without providing an interwiki to continue interwiki search. $prefix:interwiki prefix we are looking for. & $iwData:output array describing the interwiki with keys iw_url, iw_local, iw_trans and optionally iw_api and iw_wikiid. 'InvalidateEmailComplete':Called after a user 's email has been invalidated successfully. $user:user(object) whose email is being invalidated 'IRCLineURL':When constructing the URL to use in an IRC notification. Callee may modify $url and $query, URL will be constructed as $url . $query & $url:URL to index.php & $query:Query string $rc:RecentChange object that triggered url generation 'IsFileCacheable':Override the result of Article::isFileCacheable()(if true) & $article:article(object) being checked 'IsTrustedProxy':Override the result of IP::isTrustedProxy() & $ip:IP being check & $result:Change this value to override the result of IP::isTrustedProxy() 'IsUploadAllowedFromUrl':Override the result of UploadFromUrl::isAllowedUrl() $url:URL used to upload from & $allowed:Boolean indicating if uploading is allowed for given URL 'isValidEmailAddr':Override the result of Sanitizer::validateEmail(), for instance to return false if the domain name doesn 't match your organization. $addr:The e-mail address entered by the user & $result:Set this and return false to override the internal checks 'isValidPassword':Override the result of User::isValidPassword() $password:The password entered by the user & $result:Set this and return false to override the internal checks $user:User the password is being validated for 'Language::getMessagesFileName':$code:The language code or the language we 're looking for a messages file for & $file:The messages file path, you can override this to change the location. 'LanguageGetNamespaces':Provide custom ordering for namespaces or remove namespaces. Do not use this hook to add namespaces. Use CanonicalNamespaces for that. & $namespaces:Array of namespaces indexed by their numbers 'LanguageGetTranslatedLanguageNames':Provide translated language names. & $names:array of language code=> language name $code:language of the preferred translations 'LanguageLinks':Manipulate a page 's language links. This is called in various places to allow extensions to define the effective language links for a page. $title:The page 's Title. & $links:Array with elements of the form "language:title" in the order that they will be output. & $linkFlags:Associative array mapping prefixed links to arrays of flags. Currently unused, but planned to provide support for marking individual language links in the UI, e.g. for featured articles. 'LanguageSelector':Hook to change the language selector available on a page. $out:The output page. $cssClassName:CSS class name of the language selector. 'LinkBegin':DEPRECATED since 1.28! Use HtmlPageLinkRendererBegin instead. Used when generating internal and interwiki links in Linker::link(), before processing starts. Return false to skip default processing and return $ret. See documentation for Linker::link() for details on the expected meanings of parameters. $skin:the Skin object $target:the Title that the link is pointing to & $html:the contents that the< a > tag should have(raw HTML) $result
Definition: hooks.txt:1980
updateByParentBlockId( $parentBlockId, array $restrictions)
Updates the list of restrictions by parent id.
deleteByParentBlockId( $parentBlockId)
Delete the restrictions by parent block ID.
loadByBlockId( $blockId, IDatabase $db=null)
Retrieves the restrictions from the database by block id.
Result wrapper for grabbing data queried from an IDatabase object.
setBlockId( $blockId, array $restrictions)
Set the blockId on a set of restrictions and return a new set.
restrictionsToRemove(array $existing, array $new)
Get the restrictions that should be removed, which are existing restrictions that are not in the new ...
restrictionsByBlockId(array $restrictions)
Converts an array of restrictions to an associative array of restrictions where the keys are the bloc...
this hook is for auditing only or null if authentication failed before getting that far or null if we can t even determine that When $user is not null
Definition: hooks.txt:780
$filter
This document is intended to provide useful advice for parties seeking to redistribute MediaWiki to end users It s targeted particularly at maintainers for Linux since it s been observed that distribution packages of MediaWiki often break We ve consistently had to recommend that users seeking support use official tarballs instead of their distribution s and this often solves whatever problem the user is having It would be nice if this could such as
Definition: distributors.txt:9
injection txt This is an overview of how MediaWiki makes use of dependency injection The design described here grew from the discussion of RFC T384 The term dependency this means that anything an object needs to operate should be injected from the the object itself should only know narrow no concrete implementation of the logic it relies on The requirement to inject everything typically results in an architecture that based on two main types of and essentially stateless service objects that use other service objects to operate on the value objects As of the beginning MediaWiki is only starting to use the DI approach Much of the code still relies on global state or direct resulting in a highly cyclical dependency which acts as the top level factory for services in MediaWiki which can be used to gain access to default instances of various services MediaWikiServices however also allows new services to be defined and default services to be redefined Services are defined or redefined by providing a callback the instantiator that will return a new instance of the service When it will create an instance of MediaWikiServices and populate it with the services defined in the files listed by thereby bootstrapping the DI framework Per $wgServiceWiringFiles lists includes ServiceWiring php
Definition: injection.txt:35
Database cluster connection, tracking, load balancing, and transaction manager interface.
Basic database interface for live and lazy-loaded relation database handles.
Definition: IDatabase.php:38
you have access to all of the normal MediaWiki so you can get a DB use the etc For full docs on the Maintenance class
Definition: maintenance.txt:52
$types
Map of all of the restriction types.
__construct(ILoadBalancer $loadBalancer)
update(array $restrictions)
Updates the list of restrictions.
const DB_REPLICA
Definition: defines.php:25
equals(array $a, array $b)
Checks if two arrays of Restrictions are effectively equal.
deleteByBlockId( $blockId)
Delete the restrictions by block ID.