<exclude-pattern>*/includes/Feed\.php</exclude-pattern>
<exclude-pattern>*/includes/filerepo/file/LocalFile\.php</exclude-pattern>
<exclude-pattern>*/includes/gallery/PackedOverlayImageGallery\.php</exclude-pattern>
- <exclude-pattern>*/includes/HistoryBlob\.php</exclude-pattern>
<exclude-pattern>*/includes/htmlform/HTMLFormElement\.php</exclude-pattern>
<exclude-pattern>*/includes/libs/filebackend/FileBackendStore\.php</exclude-pattern>
<exclude-pattern>*/includes/libs/filebackend/FSFileBackend\.php</exclude-pattern>
'ComposerVendorHtaccessCreator' => __DIR__ . '/includes/composer/ComposerVendorHtaccessCreator.php',
'ComposerVersionNormalizer' => __DIR__ . '/includes/composer/ComposerVersionNormalizer.php',
'CompressOld' => __DIR__ . '/maintenance/storage/compressOld.php',
- 'ConcatenatedGzipHistoryBlob' => __DIR__ . '/includes/HistoryBlob.php',
+ 'ConcatenatedGzipHistoryBlob' => __DIR__ . '/includes/historyblob/ConcatenatedGzipHistoryBlob.php',
'Config' => __DIR__ . '/includes/config/Config.php',
'ConfigException' => __DIR__ . '/includes/config/ConfigException.php',
'ConfigFactory' => __DIR__ . '/includes/config/ConfigFactory.php',
'Diff' => __DIR__ . '/includes/diff/DairikiDiff.php',
'DiffEngine' => __DIR__ . '/includes/diff/DiffEngine.php',
'DiffFormatter' => __DIR__ . '/includes/diff/DiffFormatter.php',
- 'DiffHistoryBlob' => __DIR__ . '/includes/HistoryBlob.php',
+ 'DiffHistoryBlob' => __DIR__ . '/includes/historyblob/DiffHistoryBlob.php',
'DiffOp' => __DIR__ . '/includes/diff/DairikiDiff.php',
'DiffOpAdd' => __DIR__ . '/includes/diff/DairikiDiff.php',
'DiffOpChange' => __DIR__ . '/includes/diff/DairikiDiff.php',
'HashSiteStore' => __DIR__ . '/includes/site/HashSiteStore.php',
'HashtableReplacer' => __DIR__ . '/includes/libs/replacers/HashtableReplacer.php',
'HistoryAction' => __DIR__ . '/includes/actions/HistoryAction.php',
- 'HistoryBlob' => __DIR__ . '/includes/HistoryBlob.php',
- 'HistoryBlobCurStub' => __DIR__ . '/includes/HistoryBlob.php',
- 'HistoryBlobStub' => __DIR__ . '/includes/HistoryBlob.php',
+ 'HistoryBlob' => __DIR__ . '/includes/historyblob/HistoryBlob.php',
+ 'HistoryBlobCurStub' => __DIR__ . '/includes/historyblob/HistoryBlobCurStub.php',
+ 'HistoryBlobStub' => __DIR__ . '/includes/historyblob/HistoryBlobStub.php',
'HistoryPager' => __DIR__ . '/includes/actions/pagers/HistoryPager.php',
'Hooks' => __DIR__ . '/includes/Hooks.php',
'Html' => __DIR__ . '/includes/Html.php',
'ZhConverter' => __DIR__ . '/languages/classes/LanguageZh.php',
'ZipDirectoryReader' => __DIR__ . '/includes/utils/ZipDirectoryReader.php',
'ZipDirectoryReaderError' => __DIR__ . '/includes/utils/ZipDirectoryReaderError.php',
- 'concatenatedgziphistoryblob' => __DIR__ . '/includes/HistoryBlob.php',
- 'historyblobcurstub' => __DIR__ . '/includes/HistoryBlob.php',
- 'historyblobstub' => __DIR__ . '/includes/HistoryBlob.php',
+ 'concatenatedgziphistoryblob' => __DIR__ . '/includes/historyblob/ConcatenatedGzipHistoryBlob.php',
+ 'historyblobcurstub' => __DIR__ . '/includes/historyblob/HistoryBlobCurStub.php',
+ 'historyblobstub' => __DIR__ . '/includes/historyblob/HistoryBlobStub.php',
'profile_point' => __DIR__ . '/profileinfo.php',
];
*/
$wgElementTiming = false;
-/**
- * Temporary option to show rollback confirmation user settings
- * without activating the feature itself
- * @see T217039
- * @since 1.33
- * @deprecated 1.33
- * @var bool
- */
-$wgDisableRollbackConfirmationFeature = false;
-
/**
* For really cool vim folding this needs to be at the end:
* vim: foldmarker=@{,@} foldmethod=marker
+++ /dev/null
-<?php
-/**
- * Efficient concatenated text storage.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- * http://www.gnu.org/copyleft/gpl.html
- *
- * @file
- */
-
-/**
- * Base class for general text storage via the "object" flag in old_flags, or
- * two-part external storage URLs. Used for represent efficient concatenated
- * storage, and migration-related pointer objects.
- */
-interface HistoryBlob {
- /**
- * Adds an item of text, returns a stub object which points to the item.
- * You must call setLocation() on the stub object before storing it to the
- * database
- *
- * @param string $text
- *
- * @return string The key for getItem()
- */
- function addItem( $text );
-
- /**
- * Get item by key, or false if the key is not present
- *
- * @param string $key
- *
- * @return string|bool
- */
- function getItem( $key );
-
- /**
- * Set the "default text"
- * This concept is an odd property of the current DB schema, whereby each text item has a revision
- * associated with it. The default text is the text of the associated revision. There may, however,
- * be other revisions in the same object.
- *
- * Default text is not required for two-part external storage URLs.
- *
- * @param string $text
- */
- function setText( $text );
-
- /**
- * Get default text. This is called from Revision::getRevisionText()
- *
- * @return string
- */
- function getText();
-}
-
-/**
- * Concatenated gzip (CGZ) storage
- * Improves compression ratio by concatenating like objects before gzipping
- */
-class ConcatenatedGzipHistoryBlob implements HistoryBlob {
- public $mVersion = 0, $mCompressed = false, $mItems = [], $mDefaultHash = '';
- public $mSize = 0;
- public $mMaxSize = 10000000;
- public $mMaxCount = 100;
-
- public function __construct() {
- if ( !function_exists( 'gzdeflate' ) ) {
- throw new MWException( "Need zlib support to read or write this "
- . "kind of history object (ConcatenatedGzipHistoryBlob)\n" );
- }
- }
-
- /**
- * @param string $text
- * @return string
- */
- public function addItem( $text ) {
- $this->uncompress();
- $hash = md5( $text );
- if ( !isset( $this->mItems[$hash] ) ) {
- $this->mItems[$hash] = $text;
- $this->mSize += strlen( $text );
- }
- return $hash;
- }
-
- /**
- * @param string $hash
- * @return array|bool
- */
- public function getItem( $hash ) {
- $this->uncompress();
- if ( array_key_exists( $hash, $this->mItems ) ) {
- return $this->mItems[$hash];
- } else {
- return false;
- }
- }
-
- /**
- * @param string $text
- * @return void
- */
- public function setText( $text ) {
- $this->uncompress();
- $this->mDefaultHash = $this->addItem( $text );
- }
-
- /**
- * @return array|bool
- */
- public function getText() {
- $this->uncompress();
- return $this->getItem( $this->mDefaultHash );
- }
-
- /**
- * Remove an item
- *
- * @param string $hash
- */
- public function removeItem( $hash ) {
- $this->mSize -= strlen( $this->mItems[$hash] );
- unset( $this->mItems[$hash] );
- }
-
- /**
- * Compress the bulk data in the object
- */
- public function compress() {
- if ( !$this->mCompressed ) {
- $this->mItems = gzdeflate( serialize( $this->mItems ) );
- $this->mCompressed = true;
- }
- }
-
- /**
- * Uncompress bulk data
- */
- public function uncompress() {
- if ( $this->mCompressed ) {
- $this->mItems = unserialize( gzinflate( $this->mItems ) );
- $this->mCompressed = false;
- }
- }
-
- /**
- * @return array
- */
- function __sleep() {
- $this->compress();
- return [ 'mVersion', 'mCompressed', 'mItems', 'mDefaultHash' ];
- }
-
- function __wakeup() {
- $this->uncompress();
- }
-
- /**
- * Helper function for compression jobs
- * Returns true until the object is "full" and ready to be committed
- *
- * @return bool
- */
- public function isHappy() {
- return $this->mSize < $this->mMaxSize
- && count( $this->mItems ) < $this->mMaxCount;
- }
-}
-
-/**
- * Pointer object for an item within a CGZ blob stored in the text table.
- */
-class HistoryBlobStub {
- /**
- * @var array One-step cache variable to hold base blobs; operations that
- * pull multiple revisions may often pull multiple times from the same
- * blob. By keeping the last-used one open, we avoid redundant
- * unserialization and decompression overhead.
- */
- protected static $blobCache = [];
-
- /** @var int */
- public $mOldId;
-
- /** @var string */
- public $mHash;
-
- /** @var string */
- public $mRef;
-
- /**
- * @param string $hash The content hash of the text
- * @param int $oldid The old_id for the CGZ object
- */
- function __construct( $hash = '', $oldid = 0 ) {
- $this->mHash = $hash;
- }
-
- /**
- * Sets the location (old_id) of the main object to which this object
- * points
- * @param int $id
- */
- function setLocation( $id ) {
- $this->mOldId = $id;
- }
-
- /**
- * Sets the location (old_id) of the referring object
- * @param string $id
- */
- function setReferrer( $id ) {
- $this->mRef = $id;
- }
-
- /**
- * Gets the location of the referring object
- * @return string
- */
- function getReferrer() {
- return $this->mRef;
- }
-
- /**
- * @return string|false
- */
- function getText() {
- if ( isset( self::$blobCache[$this->mOldId] ) ) {
- $obj = self::$blobCache[$this->mOldId];
- } else {
- $dbr = wfGetDB( DB_REPLICA );
- $row = $dbr->selectRow(
- 'text',
- [ 'old_flags', 'old_text' ],
- [ 'old_id' => $this->mOldId ]
- );
-
- if ( !$row ) {
- return false;
- }
-
- $flags = explode( ',', $row->old_flags );
- if ( in_array( 'external', $flags ) ) {
- $url = $row->old_text;
- $parts = explode( '://', $url, 2 );
- if ( !isset( $parts[1] ) || $parts[1] == '' ) {
- return false;
- }
- $row->old_text = ExternalStore::fetchFromURL( $url );
-
- }
-
- if ( !in_array( 'object', $flags ) ) {
- return false;
- }
-
- if ( in_array( 'gzip', $flags ) ) {
- // This shouldn't happen, but a bug in the compress script
- // may at times gzip-compress a HistoryBlob object row.
- $obj = unserialize( gzinflate( $row->old_text ) );
- } else {
- $obj = unserialize( $row->old_text );
- }
-
- if ( !is_object( $obj ) ) {
- // Correct for old double-serialization bug.
- $obj = unserialize( $obj );
- }
-
- // Save this item for reference; if pulling many
- // items in a row we'll likely use it again.
- $obj->uncompress();
- self::$blobCache = [ $this->mOldId => $obj ];
- }
-
- return $obj->getItem( $this->mHash );
- }
-
- /**
- * Get the content hash
- *
- * @return string
- */
- function getHash() {
- return $this->mHash;
- }
-}
-
-/**
- * To speed up conversion from 1.4 to 1.5 schema, text rows can refer to the
- * leftover cur table as the backend. This avoids expensively copying hundreds
- * of megabytes of data during the conversion downtime.
- *
- * Serialized HistoryBlobCurStub objects will be inserted into the text table
- * on conversion if $wgLegacySchemaConversion is set to true.
- */
-class HistoryBlobCurStub {
- /** @var int */
- public $mCurId;
-
- /**
- * @param int $curid The cur_id pointed to
- */
- function __construct( $curid = 0 ) {
- $this->mCurId = $curid;
- }
-
- /**
- * Sets the location (cur_id) of the main object to which this object
- * points
- *
- * @param int $id
- */
- function setLocation( $id ) {
- $this->mCurId = $id;
- }
-
- /**
- * @return string|bool
- */
- function getText() {
- $dbr = wfGetDB( DB_REPLICA );
- $row = $dbr->selectRow( 'cur', [ 'cur_text' ], [ 'cur_id' => $this->mCurId ] );
- if ( !$row ) {
- return false;
- }
- return $row->cur_text;
- }
-}
-
-/**
- * Diff-based history compression
- * Requires xdiff 1.5+ and zlib
- */
-class DiffHistoryBlob implements HistoryBlob {
- /** @var array Uncompressed item cache */
- public $mItems = [];
-
- /** @var int Total uncompressed size */
- public $mSize = 0;
-
- /**
- * @var array Array of diffs. If a diff D from A to B is notated D = B - A,
- * and Z is an empty string:
- *
- * { item[map[i]] - item[map[i-1]] where i > 0
- * diff[i] = {
- * { item[map[i]] - Z where i = 0
- */
- public $mDiffs;
-
- /** @var array The diff map, see above */
- public $mDiffMap;
-
- /** @var int The key for getText()
- */
- public $mDefaultKey;
-
- /** @var string Compressed storage */
- public $mCompressed;
-
- /** @var bool True if the object is locked against further writes */
- public $mFrozen = false;
-
- /**
- * @var int The maximum uncompressed size before the object becomes sad
- * Should be less than max_allowed_packet
- */
- public $mMaxSize = 10000000;
-
- /** @var int The maximum number of text items before the object becomes sad */
- public $mMaxCount = 100;
-
- /** Constants from xdiff.h */
- const XDL_BDOP_INS = 1;
- const XDL_BDOP_CPY = 2;
- const XDL_BDOP_INSB = 3;
-
- function __construct() {
- if ( !function_exists( 'gzdeflate' ) ) {
- throw new MWException( "Need zlib support to read or write DiffHistoryBlob\n" );
- }
- }
-
- /**
- * @throws MWException
- * @param string $text
- * @return int
- */
- function addItem( $text ) {
- if ( $this->mFrozen ) {
- throw new MWException( __METHOD__ . ": Cannot add more items after sleep/wakeup" );
- }
-
- $this->mItems[] = $text;
- $this->mSize += strlen( $text );
- $this->mDiffs = null; // later
- return count( $this->mItems ) - 1;
- }
-
- /**
- * @param string $key
- * @return string
- */
- function getItem( $key ) {
- return $this->mItems[$key];
- }
-
- /**
- * @param string $text
- */
- function setText( $text ) {
- $this->mDefaultKey = $this->addItem( $text );
- }
-
- /**
- * @return string
- */
- function getText() {
- return $this->getItem( $this->mDefaultKey );
- }
-
- /**
- * @throws MWException
- */
- function compress() {
- if ( !function_exists( 'xdiff_string_rabdiff' ) ) {
- throw new MWException( "Need xdiff 1.5+ support to write DiffHistoryBlob\n" );
- }
- if ( isset( $this->mDiffs ) ) {
- // Already compressed
- return;
- }
- if ( $this->mItems === [] ) {
- return;
- }
-
- // Create two diff sequences: one for main text and one for small text
- $sequences = [
- 'small' => [
- 'tail' => '',
- 'diffs' => [],
- 'map' => [],
- ],
- 'main' => [
- 'tail' => '',
- 'diffs' => [],
- 'map' => [],
- ],
- ];
- $smallFactor = 0.5;
-
- $mItemsCount = count( $this->mItems );
- for ( $i = 0; $i < $mItemsCount; $i++ ) {
- $text = $this->mItems[$i];
- if ( $i == 0 ) {
- $seqName = 'main';
- } else {
- $mainTail = $sequences['main']['tail'];
- if ( strlen( $text ) < strlen( $mainTail ) * $smallFactor ) {
- $seqName = 'small';
- } else {
- $seqName = 'main';
- }
- }
- $seq =& $sequences[$seqName];
- $tail = $seq['tail'];
- $diff = $this->diff( $tail, $text );
- $seq['diffs'][] = $diff;
- $seq['map'][] = $i;
- $seq['tail'] = $text;
- }
- unset( $seq ); // unlink dangerous alias
-
- // Knit the sequences together
- $tail = '';
- $this->mDiffs = [];
- $this->mDiffMap = [];
- foreach ( $sequences as $seq ) {
- if ( $seq['diffs'] === [] ) {
- continue;
- }
- if ( $tail === '' ) {
- $this->mDiffs[] = $seq['diffs'][0];
- } else {
- $head = $this->patch( '', $seq['diffs'][0] );
- $this->mDiffs[] = $this->diff( $tail, $head );
- }
- $this->mDiffMap[] = $seq['map'][0];
- $diffsCount = count( $seq['diffs'] );
- for ( $i = 1; $i < $diffsCount; $i++ ) {
- $this->mDiffs[] = $seq['diffs'][$i];
- $this->mDiffMap[] = $seq['map'][$i];
- }
- $tail = $seq['tail'];
- }
- }
-
- /**
- * @param string $t1
- * @param string $t2
- * @return string
- */
- function diff( $t1, $t2 ) {
- # Need to do a null concatenation with warnings off, due to bugs in the current version of xdiff
- # "String is not zero-terminated"
- Wikimedia\suppressWarnings();
- $diff = xdiff_string_rabdiff( $t1, $t2 ) . '';
- Wikimedia\restoreWarnings();
- return $diff;
- }
-
- /**
- * @param string $base
- * @param string $diff
- * @return bool|string
- */
- function patch( $base, $diff ) {
- if ( function_exists( 'xdiff_string_bpatch' ) ) {
- Wikimedia\suppressWarnings();
- $text = xdiff_string_bpatch( $base, $diff ) . '';
- Wikimedia\restoreWarnings();
- return $text;
- }
-
- # Pure PHP implementation
-
- $header = unpack( 'Vofp/Vcsize', substr( $diff, 0, 8 ) );
-
- # Check the checksum if hash extension is available
- $ofp = $this->xdiffAdler32( $base );
- if ( $ofp !== false && $ofp !== substr( $diff, 0, 4 ) ) {
- wfDebug( __METHOD__ . ": incorrect base checksum\n" );
- return false;
- }
- if ( $header['csize'] != strlen( $base ) ) {
- wfDebug( __METHOD__ . ": incorrect base length\n" );
- return false;
- }
-
- $p = 8;
- $out = '';
- while ( $p < strlen( $diff ) ) {
- $x = unpack( 'Cop', substr( $diff, $p, 1 ) );
- $op = $x['op'];
- ++$p;
- switch ( $op ) {
- case self::XDL_BDOP_INS:
- $x = unpack( 'Csize', substr( $diff, $p, 1 ) );
- $p++;
- $out .= substr( $diff, $p, $x['size'] );
- $p += $x['size'];
- break;
- case self::XDL_BDOP_INSB:
- $x = unpack( 'Vcsize', substr( $diff, $p, 4 ) );
- $p += 4;
- $out .= substr( $diff, $p, $x['csize'] );
- $p += $x['csize'];
- break;
- case self::XDL_BDOP_CPY:
- $x = unpack( 'Voff/Vcsize', substr( $diff, $p, 8 ) );
- $p += 8;
- $out .= substr( $base, $x['off'], $x['csize'] );
- break;
- default:
- wfDebug( __METHOD__ . ": invalid op\n" );
- return false;
- }
- }
- return $out;
- }
-
- /**
- * Compute a binary "Adler-32" checksum as defined by LibXDiff, i.e. with
- * the bytes backwards and initialised with 0 instead of 1. See T36428.
- *
- * @param string $s
- * @return string|bool False if the hash extension is not available
- */
- function xdiffAdler32( $s ) {
- if ( !function_exists( 'hash' ) ) {
- return false;
- }
-
- static $init;
- if ( $init === null ) {
- $init = str_repeat( "\xf0", 205 ) . "\xee" . str_repeat( "\xf0", 67 ) . "\x02";
- }
-
- // The real Adler-32 checksum of $init is zero, so it initialises the
- // state to zero, as it is at the start of LibXDiff's checksum
- // algorithm. Appending the subject string then simulates LibXDiff.
- return strrev( hash( 'adler32', $init . $s, true ) );
- }
-
- function uncompress() {
- if ( !$this->mDiffs ) {
- return;
- }
- $tail = '';
- $mDiffsCount = count( $this->mDiffs );
- for ( $diffKey = 0; $diffKey < $mDiffsCount; $diffKey++ ) {
- $textKey = $this->mDiffMap[$diffKey];
- $text = $this->patch( $tail, $this->mDiffs[$diffKey] );
- $this->mItems[$textKey] = $text;
- $tail = $text;
- }
- }
-
- /**
- * @return array
- */
- function __sleep() {
- $this->compress();
- if ( $this->mItems === [] ) {
- $info = false;
- } else {
- // Take forward differences to improve the compression ratio for sequences
- $map = '';
- $prev = 0;
- foreach ( $this->mDiffMap as $i ) {
- if ( $map !== '' ) {
- $map .= ',';
- }
- $map .= $i - $prev;
- $prev = $i;
- }
- $info = [
- 'diffs' => $this->mDiffs,
- 'map' => $map
- ];
- }
- if ( isset( $this->mDefaultKey ) ) {
- $info['default'] = $this->mDefaultKey;
- }
- $this->mCompressed = gzdeflate( serialize( $info ) );
- return [ 'mCompressed' ];
- }
-
- function __wakeup() {
- // addItem() doesn't work if mItems is partially filled from mDiffs
- $this->mFrozen = true;
- $info = unserialize( gzinflate( $this->mCompressed ) );
- unset( $this->mCompressed );
-
- if ( !$info ) {
- // Empty object
- return;
- }
-
- if ( isset( $info['default'] ) ) {
- $this->mDefaultKey = $info['default'];
- }
- $this->mDiffs = $info['diffs'];
- if ( isset( $info['base'] ) ) {
- // Old format
- $this->mDiffMap = range( 0, count( $this->mDiffs ) - 1 );
- array_unshift( $this->mDiffs,
- pack( 'VVCV', 0, 0, self::XDL_BDOP_INSB, strlen( $info['base'] ) ) .
- $info['base'] );
- } else {
- // New format
- $map = explode( ',', $info['map'] );
- $cur = 0;
- $this->mDiffMap = [];
- foreach ( $map as $i ) {
- $cur += $i;
- $this->mDiffMap[] = $cur;
- }
- }
- $this->uncompress();
- }
-
- /**
- * Helper function for compression jobs
- * Returns true until the object is "full" and ready to be committed
- *
- * @return bool
- */
- function isHappy() {
- return $this->mSize < $this->mMaxSize
- && count( $this->mItems ) < $this->mMaxCount;
- }
-
-}
-
-// phpcs:ignore Generic.CodeAnalysis.UnconditionalIfStatement.Found
-if ( false ) {
- // Blobs generated by MediaWiki < 1.5 on PHP 4 were serialized with the
- // class name coerced to lowercase. We can improve efficiency by adding
- // autoload entries for the lowercase variants of these classes (T166759).
- // The code below is never executed, but it is picked up by the AutoloadGenerator
- // parser, which scans for class_alias() calls.
- class_alias( ConcatenatedGzipHistoryBlob::class, 'concatenatedgziphistoryblob' );
- class_alias( HistoryBlobCurStub::class, 'historyblobcurstub' );
- class_alias( HistoryBlobStub::class, 'historyblobstub' );
-}
$inner = $context->msg( 'brackets' )->rawParams( $inner )->escaped();
}
- /**
- * FIXME
- * Remove all references to DisableRollbackConfirmationFeature
- * after release of rollback feature. See T199534
- */
- if ( !MediaWikiServices::getInstance()
- ->getMainConfig()->get( 'DisableRollbackConfirmationFeature' ) &&
- $context->getUser()->getBoolOption( 'showrollbackconfirmation' )
- ) {
+ if ( $context->getUser()->getBoolOption( 'showrollbackconfirmation' ) ) {
$stats = MediaWikiServices::getInstance()->getStatsdDataFactory();
$stats->increment( 'rollbackconfirmation.event.load' );
$context->getOutput()->addModules( 'mediawiki.page.rollback.confirmation' );
$oldid = $this->oldTitle->getArticleID();
- if ( strlen( $this->newTitle->getDBkey() ) < 1 ) {
+ if ( $this->newTitle->getDBkey() === '' ) {
$status->fatal( 'articleexists' );
}
if (
->execute();
$data = trim( $result->getStdout() );
- if ( $result->getExitCode() != 0 || !strlen( $data ) ) {
+ if ( $result->getExitCode() || $data === '' ) {
throw new MWException( "Failed to run getConfiguration.php: {$result->getStdout()}" );
}
$res = unserialize( $data );
* @return string Base name
*/
public function getBaseText() {
+ $text = $this->getText();
if ( !MWNamespace::hasSubpages( $this->mNamespace ) ) {
- return $this->getText();
+ return $text;
}
- $parts = explode( '/', $this->getText() );
- # Don't discard the real title if there's no subpage involved
- if ( count( $parts ) > 1 ) {
- unset( $parts[count( $parts ) - 1] );
+ $lastSlashPos = strrpos( $text, '/' );
+ // Don't discard the real title if there's no subpage involved
+ if ( $lastSlashPos === false ) {
+ return $text;
}
- return implode( '/', $parts );
+
+ return substr( $text, 0, $lastSlashPos );
}
/**
}
/**
- * @throws ConfigException
* @throws ErrorPageError
* @throws ReadOnlyError
* @throws ThrottledError
*/
public function show() {
- /**
- * FIXME
- * Remove temporary check of DisableRollbackConfirmationFeature
- * after release of rollback feature. See T199534
- */
- $config = \MediaWiki\MediaWikiServices::getInstance()->getMainConfig();
- if ( $config->get( 'DisableRollbackConfirmationFeature' ) == true ||
- $this->getUser()->getOption( 'showrollbackconfirmation' ) == false ||
+ if ( $this->getUser()->getOption( 'showrollbackconfirmation' ) == false ||
$this->getRequest()->wasPosted() ) {
$this->handleRollbackRequest();
} else {
}
$data = [
- 'url' => strlen( $url ) ? $url : '',
- 'text' => strlen( $text ) ? $text : '',
+ 'url' => (string)$url,
+ 'text' => (string)$text,
];
return $this->getResult()->addValue( 'query', $property, $data );
* @param string $newKey
*/
private static function pruneExcessStashedEntries( BagOStuff $cache, User $user, $newKey ) {
- $key = $cache->makeKey( 'stash-edit-recent', $user->getId() );
+ $key = $cache->makeKey( 'stash-edit-recent', sha1( $user->getName() ) );
$keyList = $cache->get( $key ) ?: [];
if ( count( $keyList ) >= self::MAX_CACHE_RECENT ) {
'enableSectionEditTokens' => false,
'allowTOC' => false,
] );
- if ( strlen( $text ) == 0 ) {
+ if ( $text === '' ) {
$this->allText = "";
// empty text - nothing to seek here
return;
--- /dev/null
+<?php
+/**
+ * Efficient concatenated text storage.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+/**
+ * Concatenated gzip (CGZ) storage
+ * Improves compression ratio by concatenating like objects before gzipping
+ */
+class ConcatenatedGzipHistoryBlob implements HistoryBlob {
+ public $mVersion = 0, $mCompressed = false, $mItems = [], $mDefaultHash = '';
+ public $mSize = 0;
+ public $mMaxSize = 10000000;
+ public $mMaxCount = 100;
+
+ public function __construct() {
+ if ( !function_exists( 'gzdeflate' ) ) {
+ throw new MWException( "Need zlib support to read or write this "
+ . "kind of history object (ConcatenatedGzipHistoryBlob)\n" );
+ }
+ }
+
+ /**
+ * @param string $text
+ * @return string
+ */
+ public function addItem( $text ) {
+ $this->uncompress();
+ $hash = md5( $text );
+ if ( !isset( $this->mItems[$hash] ) ) {
+ $this->mItems[$hash] = $text;
+ $this->mSize += strlen( $text );
+ }
+ return $hash;
+ }
+
+ /**
+ * @param string $hash
+ * @return array|bool
+ */
+ public function getItem( $hash ) {
+ $this->uncompress();
+ if ( array_key_exists( $hash, $this->mItems ) ) {
+ return $this->mItems[$hash];
+ } else {
+ return false;
+ }
+ }
+
+ /**
+ * @param string $text
+ * @return void
+ */
+ public function setText( $text ) {
+ $this->uncompress();
+ $this->mDefaultHash = $this->addItem( $text );
+ }
+
+ /**
+ * @return array|bool
+ */
+ public function getText() {
+ $this->uncompress();
+ return $this->getItem( $this->mDefaultHash );
+ }
+
+ /**
+ * Remove an item
+ *
+ * @param string $hash
+ */
+ public function removeItem( $hash ) {
+ $this->mSize -= strlen( $this->mItems[$hash] );
+ unset( $this->mItems[$hash] );
+ }
+
+ /**
+ * Compress the bulk data in the object
+ */
+ public function compress() {
+ if ( !$this->mCompressed ) {
+ $this->mItems = gzdeflate( serialize( $this->mItems ) );
+ $this->mCompressed = true;
+ }
+ }
+
+ /**
+ * Uncompress bulk data
+ */
+ public function uncompress() {
+ if ( $this->mCompressed ) {
+ $this->mItems = unserialize( gzinflate( $this->mItems ) );
+ $this->mCompressed = false;
+ }
+ }
+
+ /**
+ * @return array
+ */
+ function __sleep() {
+ $this->compress();
+ return [ 'mVersion', 'mCompressed', 'mItems', 'mDefaultHash' ];
+ }
+
+ function __wakeup() {
+ $this->uncompress();
+ }
+
+ /**
+ * Helper function for compression jobs
+ * Returns true until the object is "full" and ready to be committed
+ *
+ * @return bool
+ */
+ public function isHappy() {
+ return $this->mSize < $this->mMaxSize
+ && count( $this->mItems ) < $this->mMaxCount;
+ }
+}
+
+// phpcs:ignore Generic.CodeAnalysis.UnconditionalIfStatement.Found
+if ( false ) {
+ // Blobs generated by MediaWiki < 1.5 on PHP 4 were serialized with the
+ // class name coerced to lowercase. We can improve efficiency by adding
+ // autoload entries for the lowercase variants of these classes (T166759).
+ // The code below is never executed, but it is picked up by the AutoloadGenerator
+ // parser, which scans for class_alias() calls.
+ class_alias( ConcatenatedGzipHistoryBlob::class, 'concatenatedgziphistoryblob' );
+}
--- /dev/null
+<?php
+/**
+ * Efficient concatenated text storage.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+/**
+ * Diff-based history compression
+ * Requires xdiff 1.5+ and zlib
+ */
+class DiffHistoryBlob implements HistoryBlob {
+ /** @var array Uncompressed item cache */
+ public $mItems = [];
+
+ /** @var int Total uncompressed size */
+ public $mSize = 0;
+
+ /**
+ * @var array Array of diffs. If a diff D from A to B is notated D = B - A,
+ * and Z is an empty string:
+ *
+ * { item[map[i]] - item[map[i-1]] where i > 0
+ * diff[i] = {
+ * { item[map[i]] - Z where i = 0
+ */
+ public $mDiffs;
+
+ /** @var array The diff map, see above */
+ public $mDiffMap;
+
+ /** @var int The key for getText()
+ */
+ public $mDefaultKey;
+
+ /** @var string Compressed storage */
+ public $mCompressed;
+
+ /** @var bool True if the object is locked against further writes */
+ public $mFrozen = false;
+
+ /**
+ * @var int The maximum uncompressed size before the object becomes sad
+ * Should be less than max_allowed_packet
+ */
+ public $mMaxSize = 10000000;
+
+ /** @var int The maximum number of text items before the object becomes sad */
+ public $mMaxCount = 100;
+
+ /** Constants from xdiff.h */
+ const XDL_BDOP_INS = 1;
+ const XDL_BDOP_CPY = 2;
+ const XDL_BDOP_INSB = 3;
+
+ function __construct() {
+ if ( !function_exists( 'gzdeflate' ) ) {
+ throw new MWException( "Need zlib support to read or write DiffHistoryBlob\n" );
+ }
+ }
+
+ /**
+ * @throws MWException
+ * @param string $text
+ * @return int
+ */
+ function addItem( $text ) {
+ if ( $this->mFrozen ) {
+ throw new MWException( __METHOD__ . ": Cannot add more items after sleep/wakeup" );
+ }
+
+ $this->mItems[] = $text;
+ $this->mSize += strlen( $text );
+ $this->mDiffs = null; // later
+ return count( $this->mItems ) - 1;
+ }
+
+ /**
+ * @param string $key
+ * @return string
+ */
+ function getItem( $key ) {
+ return $this->mItems[$key];
+ }
+
+ /**
+ * @param string $text
+ */
+ function setText( $text ) {
+ $this->mDefaultKey = $this->addItem( $text );
+ }
+
+ /**
+ * @return string
+ */
+ function getText() {
+ return $this->getItem( $this->mDefaultKey );
+ }
+
+ /**
+ * @throws MWException
+ */
+ function compress() {
+ if ( !function_exists( 'xdiff_string_rabdiff' ) ) {
+ throw new MWException( "Need xdiff 1.5+ support to write DiffHistoryBlob\n" );
+ }
+ if ( isset( $this->mDiffs ) ) {
+ // Already compressed
+ return;
+ }
+ if ( $this->mItems === [] ) {
+ return;
+ }
+
+ // Create two diff sequences: one for main text and one for small text
+ $sequences = [
+ 'small' => [
+ 'tail' => '',
+ 'diffs' => [],
+ 'map' => [],
+ ],
+ 'main' => [
+ 'tail' => '',
+ 'diffs' => [],
+ 'map' => [],
+ ],
+ ];
+ $smallFactor = 0.5;
+
+ $mItemsCount = count( $this->mItems );
+ for ( $i = 0; $i < $mItemsCount; $i++ ) {
+ $text = $this->mItems[$i];
+ if ( $i == 0 ) {
+ $seqName = 'main';
+ } else {
+ $mainTail = $sequences['main']['tail'];
+ if ( strlen( $text ) < strlen( $mainTail ) * $smallFactor ) {
+ $seqName = 'small';
+ } else {
+ $seqName = 'main';
+ }
+ }
+ $seq =& $sequences[$seqName];
+ $tail = $seq['tail'];
+ $diff = $this->diff( $tail, $text );
+ $seq['diffs'][] = $diff;
+ $seq['map'][] = $i;
+ $seq['tail'] = $text;
+ }
+ unset( $seq ); // unlink dangerous alias
+
+ // Knit the sequences together
+ $tail = '';
+ $this->mDiffs = [];
+ $this->mDiffMap = [];
+ foreach ( $sequences as $seq ) {
+ if ( $seq['diffs'] === [] ) {
+ continue;
+ }
+ if ( $tail === '' ) {
+ $this->mDiffs[] = $seq['diffs'][0];
+ } else {
+ $head = $this->patch( '', $seq['diffs'][0] );
+ $this->mDiffs[] = $this->diff( $tail, $head );
+ }
+ $this->mDiffMap[] = $seq['map'][0];
+ $diffsCount = count( $seq['diffs'] );
+ for ( $i = 1; $i < $diffsCount; $i++ ) {
+ $this->mDiffs[] = $seq['diffs'][$i];
+ $this->mDiffMap[] = $seq['map'][$i];
+ }
+ $tail = $seq['tail'];
+ }
+ }
+
+ /**
+ * @param string $t1
+ * @param string $t2
+ * @return string
+ */
+ function diff( $t1, $t2 ) {
+ # Need to do a null concatenation with warnings off, due to bugs in the current version of xdiff
+ # "String is not zero-terminated"
+ Wikimedia\suppressWarnings();
+ $diff = xdiff_string_rabdiff( $t1, $t2 ) . '';
+ Wikimedia\restoreWarnings();
+ return $diff;
+ }
+
+ /**
+ * @param string $base
+ * @param string $diff
+ * @return bool|string
+ */
+ function patch( $base, $diff ) {
+ if ( function_exists( 'xdiff_string_bpatch' ) ) {
+ Wikimedia\suppressWarnings();
+ $text = xdiff_string_bpatch( $base, $diff ) . '';
+ Wikimedia\restoreWarnings();
+ return $text;
+ }
+
+ # Pure PHP implementation
+
+ $header = unpack( 'Vofp/Vcsize', substr( $diff, 0, 8 ) );
+
+ # Check the checksum if hash extension is available
+ $ofp = $this->xdiffAdler32( $base );
+ if ( $ofp !== false && $ofp !== substr( $diff, 0, 4 ) ) {
+ wfDebug( __METHOD__ . ": incorrect base checksum\n" );
+ return false;
+ }
+ if ( $header['csize'] != strlen( $base ) ) {
+ wfDebug( __METHOD__ . ": incorrect base length\n" );
+ return false;
+ }
+
+ $p = 8;
+ $out = '';
+ while ( $p < strlen( $diff ) ) {
+ $x = unpack( 'Cop', substr( $diff, $p, 1 ) );
+ $op = $x['op'];
+ ++$p;
+ switch ( $op ) {
+ case self::XDL_BDOP_INS:
+ $x = unpack( 'Csize', substr( $diff, $p, 1 ) );
+ $p++;
+ $out .= substr( $diff, $p, $x['size'] );
+ $p += $x['size'];
+ break;
+ case self::XDL_BDOP_INSB:
+ $x = unpack( 'Vcsize', substr( $diff, $p, 4 ) );
+ $p += 4;
+ $out .= substr( $diff, $p, $x['csize'] );
+ $p += $x['csize'];
+ break;
+ case self::XDL_BDOP_CPY:
+ $x = unpack( 'Voff/Vcsize', substr( $diff, $p, 8 ) );
+ $p += 8;
+ $out .= substr( $base, $x['off'], $x['csize'] );
+ break;
+ default:
+ wfDebug( __METHOD__ . ": invalid op\n" );
+ return false;
+ }
+ }
+ return $out;
+ }
+
+ /**
+ * Compute a binary "Adler-32" checksum as defined by LibXDiff, i.e. with
+ * the bytes backwards and initialised with 0 instead of 1. See T36428.
+ *
+ * @param string $s
+ * @return string|bool False if the hash extension is not available
+ */
+ function xdiffAdler32( $s ) {
+ if ( !function_exists( 'hash' ) ) {
+ return false;
+ }
+
+ static $init;
+ if ( $init === null ) {
+ $init = str_repeat( "\xf0", 205 ) . "\xee" . str_repeat( "\xf0", 67 ) . "\x02";
+ }
+
+ // The real Adler-32 checksum of $init is zero, so it initialises the
+ // state to zero, as it is at the start of LibXDiff's checksum
+ // algorithm. Appending the subject string then simulates LibXDiff.
+ return strrev( hash( 'adler32', $init . $s, true ) );
+ }
+
+ function uncompress() {
+ if ( !$this->mDiffs ) {
+ return;
+ }
+ $tail = '';
+ $mDiffsCount = count( $this->mDiffs );
+ for ( $diffKey = 0; $diffKey < $mDiffsCount; $diffKey++ ) {
+ $textKey = $this->mDiffMap[$diffKey];
+ $text = $this->patch( $tail, $this->mDiffs[$diffKey] );
+ $this->mItems[$textKey] = $text;
+ $tail = $text;
+ }
+ }
+
+ /**
+ * @return array
+ */
+ function __sleep() {
+ $this->compress();
+ if ( $this->mItems === [] ) {
+ $info = false;
+ } else {
+ // Take forward differences to improve the compression ratio for sequences
+ $map = '';
+ $prev = 0;
+ foreach ( $this->mDiffMap as $i ) {
+ if ( $map !== '' ) {
+ $map .= ',';
+ }
+ $map .= $i - $prev;
+ $prev = $i;
+ }
+ $info = [
+ 'diffs' => $this->mDiffs,
+ 'map' => $map
+ ];
+ }
+ if ( isset( $this->mDefaultKey ) ) {
+ $info['default'] = $this->mDefaultKey;
+ }
+ $this->mCompressed = gzdeflate( serialize( $info ) );
+ return [ 'mCompressed' ];
+ }
+
+ function __wakeup() {
+ // addItem() doesn't work if mItems is partially filled from mDiffs
+ $this->mFrozen = true;
+ $info = unserialize( gzinflate( $this->mCompressed ) );
+ unset( $this->mCompressed );
+
+ if ( !$info ) {
+ // Empty object
+ return;
+ }
+
+ if ( isset( $info['default'] ) ) {
+ $this->mDefaultKey = $info['default'];
+ }
+ $this->mDiffs = $info['diffs'];
+ if ( isset( $info['base'] ) ) {
+ // Old format
+ $this->mDiffMap = range( 0, count( $this->mDiffs ) - 1 );
+ array_unshift( $this->mDiffs,
+ pack( 'VVCV', 0, 0, self::XDL_BDOP_INSB, strlen( $info['base'] ) ) .
+ $info['base'] );
+ } else {
+ // New format
+ $map = explode( ',', $info['map'] );
+ $cur = 0;
+ $this->mDiffMap = [];
+ foreach ( $map as $i ) {
+ $cur += $i;
+ $this->mDiffMap[] = $cur;
+ }
+ }
+ $this->uncompress();
+ }
+
+ /**
+ * Helper function for compression jobs
+ * Returns true until the object is "full" and ready to be committed
+ *
+ * @return bool
+ */
+ function isHappy() {
+ return $this->mSize < $this->mMaxSize
+ && count( $this->mItems ) < $this->mMaxCount;
+ }
+
+}
--- /dev/null
+<?php
+/**
+ * Efficient concatenated text storage.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+/**
+ * Base class for general text storage via the "object" flag in old_flags, or
+ * two-part external storage URLs. Used for represent efficient concatenated
+ * storage, and migration-related pointer objects.
+ */
+interface HistoryBlob {
+ /**
+ * Adds an item of text, returns a stub object which points to the item.
+ * You must call setLocation() on the stub object before storing it to the
+ * database
+ *
+ * @param string $text
+ *
+ * @return string The key for getItem()
+ */
+ function addItem( $text );
+
+ /**
+ * Get item by key, or false if the key is not present
+ *
+ * @param string $key
+ *
+ * @return string|bool
+ */
+ function getItem( $key );
+
+ /**
+ * Set the "default text"
+ * This concept is an odd property of the current DB schema, whereby each text item has a revision
+ * associated with it. The default text is the text of the associated revision. There may, however,
+ * be other revisions in the same object.
+ *
+ * Default text is not required for two-part external storage URLs.
+ *
+ * @param string $text
+ */
+ function setText( $text );
+
+ /**
+ * Get default text. This is called from Revision::getRevisionText()
+ *
+ * @return string
+ */
+ function getText();
+}
--- /dev/null
+<?php
+/**
+ * Efficient concatenated text storage.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+/**
+ * To speed up conversion from 1.4 to 1.5 schema, text rows can refer to the
+ * leftover cur table as the backend. This avoids expensively copying hundreds
+ * of megabytes of data during the conversion downtime.
+ *
+ * Serialized HistoryBlobCurStub objects will be inserted into the text table
+ * on conversion if $wgLegacySchemaConversion is set to true.
+ */
+class HistoryBlobCurStub {
+ /** @var int */
+ public $mCurId;
+
+ /**
+ * @param int $curid The cur_id pointed to
+ */
+ function __construct( $curid = 0 ) {
+ $this->mCurId = $curid;
+ }
+
+ /**
+ * Sets the location (cur_id) of the main object to which this object
+ * points
+ *
+ * @param int $id
+ */
+ function setLocation( $id ) {
+ $this->mCurId = $id;
+ }
+
+ /**
+ * @return string|bool
+ */
+ function getText() {
+ $dbr = wfGetDB( DB_REPLICA );
+ $row = $dbr->selectRow( 'cur', [ 'cur_text' ], [ 'cur_id' => $this->mCurId ] );
+ if ( !$row ) {
+ return false;
+ }
+ return $row->cur_text;
+ }
+}
+
+// phpcs:ignore Generic.CodeAnalysis.UnconditionalIfStatement.Found
+if ( false ) {
+ // Blobs generated by MediaWiki < 1.5 on PHP 4 were serialized with the
+ // class name coerced to lowercase. We can improve efficiency by adding
+ // autoload entries for the lowercase variants of these classes (T166759).
+ // The code below is never executed, but it is picked up by the AutoloadGenerator
+ // parser, which scans for class_alias() calls.
+ class_alias( HistoryBlobCurStub::class, 'historyblobcurstub' );
+}
--- /dev/null
+<?php
+/**
+ * Efficient concatenated text storage.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+/**
+ * Pointer object for an item within a CGZ blob stored in the text table.
+ */
+class HistoryBlobStub {
+ /**
+ * @var array One-step cache variable to hold base blobs; operations that
+ * pull multiple revisions may often pull multiple times from the same
+ * blob. By keeping the last-used one open, we avoid redundant
+ * unserialization and decompression overhead.
+ */
+ protected static $blobCache = [];
+
+ /** @var int */
+ public $mOldId;
+
+ /** @var string */
+ public $mHash;
+
+ /** @var string */
+ public $mRef;
+
+ /**
+ * @param string $hash The content hash of the text
+ * @param int $oldid The old_id for the CGZ object
+ */
+ function __construct( $hash = '', $oldid = 0 ) {
+ $this->mHash = $hash;
+ }
+
+ /**
+ * Sets the location (old_id) of the main object to which this object
+ * points
+ * @param int $id
+ */
+ function setLocation( $id ) {
+ $this->mOldId = $id;
+ }
+
+ /**
+ * Sets the location (old_id) of the referring object
+ * @param string $id
+ */
+ function setReferrer( $id ) {
+ $this->mRef = $id;
+ }
+
+ /**
+ * Gets the location of the referring object
+ * @return string
+ */
+ function getReferrer() {
+ return $this->mRef;
+ }
+
+ /**
+ * @return string|false
+ */
+ function getText() {
+ if ( isset( self::$blobCache[$this->mOldId] ) ) {
+ $obj = self::$blobCache[$this->mOldId];
+ } else {
+ $dbr = wfGetDB( DB_REPLICA );
+ $row = $dbr->selectRow(
+ 'text',
+ [ 'old_flags', 'old_text' ],
+ [ 'old_id' => $this->mOldId ]
+ );
+
+ if ( !$row ) {
+ return false;
+ }
+
+ $flags = explode( ',', $row->old_flags );
+ if ( in_array( 'external', $flags ) ) {
+ $url = $row->old_text;
+ $parts = explode( '://', $url, 2 );
+ if ( !isset( $parts[1] ) || $parts[1] == '' ) {
+ return false;
+ }
+ $row->old_text = ExternalStore::fetchFromURL( $url );
+
+ }
+
+ if ( !in_array( 'object', $flags ) ) {
+ return false;
+ }
+
+ if ( in_array( 'gzip', $flags ) ) {
+ // This shouldn't happen, but a bug in the compress script
+ // may at times gzip-compress a HistoryBlob object row.
+ $obj = unserialize( gzinflate( $row->old_text ) );
+ } else {
+ $obj = unserialize( $row->old_text );
+ }
+
+ if ( !is_object( $obj ) ) {
+ // Correct for old double-serialization bug.
+ $obj = unserialize( $obj );
+ }
+
+ // Save this item for reference; if pulling many
+ // items in a row we'll likely use it again.
+ $obj->uncompress();
+ self::$blobCache = [ $this->mOldId => $obj ];
+ }
+
+ return $obj->getItem( $this->mHash );
+ }
+
+ /**
+ * Get the content hash
+ *
+ * @return string
+ */
+ function getHash() {
+ return $this->mHash;
+ }
+}
+
+// phpcs:ignore Generic.CodeAnalysis.UnconditionalIfStatement.Found
+if ( false ) {
+ // Blobs generated by MediaWiki < 1.5 on PHP 4 were serialized with the
+ // class name coerced to lowercase. We can improve efficiency by adding
+ // autoload entries for the lowercase variants of these classes (T166759).
+ // The code below is never executed, but it is picked up by the AutoloadGenerator
+ // parser, which scans for class_alias() calls.
+ class_alias( HistoryBlobStub::class, 'historyblobstub' );
+}
break;
}
- if ( strlen( $buf ) ) {
+ if ( $buf !== '' ) {
call_user_func( $this->callback, $fh, $buf );
}
}
if ( $wgUploadThumbnailRenderHttpCustomDomain ) {
$parsedUrl = wfParseUrl( $thumbUrl );
- if ( !$parsedUrl || !isset( $parsedUrl['path'] ) || !strlen( $parsedUrl['path'] ) ) {
+ if ( !isset( $parsedUrl['path'] ) || $parsedUrl['path'] === '' ) {
$this->setLastError( __METHOD__ . ": invalid thumb URL: $thumbUrl" );
return false;
}
*/
protected function mergeViaCas( $key, $callback, $exptime = 0, $attempts = 10, $flags = 0 ) {
do {
- $this->clearLastError();
- $reportDupes = $this->reportDupes;
- $this->reportDupes = false;
$casToken = null; // passed by reference
+ // Get the old value and CAS token from cache
+ $this->clearLastError();
$currentValue = $this->doGet( $key, self::READ_LATEST, $casToken );
- $this->reportDupes = $reportDupes;
-
if ( $this->getLastError() ) {
$this->logger->warning(
__METHOD__ . ' failed due to I/O error on get() for {key}.',
/** Tiny positive float to use when using "minTime" to assert an inequality */
const TINY_POSTIVE = 0.000001;
- /** Seconds of delay after get() where set() storms are a consideration with 'lockTSE' */
- const SET_DELAY_HIGH_SEC = 0.1;
+ /** Milliseconds of delay after get() where set() storms are a consideration with 'lockTSE' */
+ const SET_DELAY_HIGH_MS = 50;
/** Min millisecond set() backoff for keys in hold-off (far less than INTERIM_KEY_TTL) */
const RECENT_SET_LOW_MS = 50;
/** Max millisecond set() backoff for keys in hold-off (far less than INTERIM_KEY_TTL) */
* @param int $ttl Seconds to live. Special values are:
* - WANObjectCache::TTL_INDEFINITE: Cache forever (default)
* @param array $opts Options map:
- * - lag : Seconds of replica DB lag. Typically, this is either the replica DB lag
+ * - lag: seconds of replica DB lag. Typically, this is either the replica DB lag
* before the data was read or, if applicable, the replica DB lag before
* the snapshot-isolated transaction the data was read from started.
* Use false to indicate that replication is not running.
* Default: 0 seconds
- * - since : UNIX timestamp of the data in $value. Typically, this is either
+ * - since: UNIX timestamp of the data in $value. Typically, this is either
* the current time the data was read or (if applicable) the time when
* the snapshot-isolated transaction the data was read from started.
* Default: 0 seconds
- * - pending : Whether this data is possibly from an uncommitted write transaction.
+ * - pending: whether this data is possibly from an uncommitted write transaction.
* Generally, other threads should not see values from the future and
* they certainly should not see ones that ended up getting rolled back.
* Default: false
- * - lockTSE : if excessive replication/snapshot lag is detected, then store the value
+ * - lockTSE: if excessive replication/snapshot lag is detected, then store the value
* with this TTL and flag it as stale. This is only useful if the reads for this key
* use getWithSetCallback() with "lockTSE" set. Note that if "staleTTL" is set
* then it will still add on to this TTL in the excessive lag scenario.
* Default: WANObjectCache::TSE_NONE
- * - staleTTL : Seconds to keep the key around if it is stale. The get()/getMulti()
+ * - staleTTL: seconds to keep the key around if it is stale. The get()/getMulti()
* methods return such stale values with a $curTTL of 0, and getWithSetCallback()
* will call the regeneration callback in such cases, passing in the old value
* and its as-of time to the callback. This is useful if adaptiveTTL() is used
* on the old value's as-of time when it is verified as still being correct.
* Default: WANObjectCache::STALE_TTL_NONE.
+ * - creating: optimize for the case where the key does not already exist.
+ * Default: false
* @note Options added in 1.28: staleTTL
+ * @note Options added in 1.33: creating
* @return bool Success
*/
final public function set( $key, $value, $ttl = self::TTL_INDEFINITE, array $opts = [] ) {
$lockTSE = $opts['lockTSE'] ?? self::TSE_NONE;
$staleTTL = $opts['staleTTL'] ?? self::STALE_TTL_NONE;
$age = isset( $opts['since'] ) ? max( 0, $now - $opts['since'] ) : 0;
+ $creating = $opts['creating'] ?? false;
$lag = $opts['lag'] ?? 0;
// Do not cache potentially uncommitted data as it might get rolled back
// Wrap that value with time/TTL/version metadata
$wrapped = $this->wrap( $value, $logicalTTL ?: $ttl, $now );
+ $storeTTL = $ttl + $staleTTL;
- $func = function ( $cache, $key, $cWrapped ) use ( $wrapped ) {
- return ( is_string( $cWrapped ) )
- ? false // key is tombstoned; do nothing
- : $wrapped;
- };
+ if ( $creating ) {
+ $ok = $this->cache->add( self::VALUE_KEY_PREFIX . $key, $wrapped, $storeTTL );
+ } else {
+ $ok = $this->cache->merge(
+ self::VALUE_KEY_PREFIX . $key,
+ function ( $cache, $key, $cWrapped ) use ( $wrapped ) {
+ // A string value means that it is a tombstone; do nothing in that case
+ return ( is_string( $cWrapped ) ) ? false : $wrapped;
+ },
+ $storeTTL,
+ 1 // 1 attempt
+ );
+ }
- return $this->cache->merge( self::VALUE_KEY_PREFIX . $key, $func, $ttl + $staleTTL, 1 );
+ return $ok;
}
/**
* stampede is worth avoiding. Note that if the key falls out of cache then concurrent
* threads will all run the callback on cache miss until the value is saved in cache.
* The only stampede protection in that case is from duplicate cache sets when the
- * callback takes longer than WANObjectCache::SET_DELAY_HIGH_SEC seconds; consider
+ * callback takes longer than WANObjectCache::SET_DELAY_HIGH_MS milliseconds; consider
* using "busyValue" if such stampedes are a problem. Note that the higher "lockTSE" is
* set, the higher the worst-case staleness of returned values can be. Also note that
* this option does not by itself handle the case of the key simply expiring on account
}
} elseif ( !$useMutex || $hasLock ) {
if ( $this->checkAndSetCooloff( $key, $kClass, $ago, $lockTSE, $hasLock ) ) {
+ $setOpts['creating'] = ( $curValue === false );
// Save the value unless a lock-winning thread is already expected to do that
$setOpts['lockTSE'] = $lockTSE;
$setOpts['staleTTL'] = $staleTTL;
// consistent hashing).
if ( $lockTSE < 0 || $hasLock ) {
return true; // either not a priori hot or thread has the lock
- } elseif ( $elapsed <= self::SET_DELAY_HIGH_SEC ) {
+ } elseif ( $elapsed <= self::SET_DELAY_HIGH_MS * 1e3 ) {
return true; // not enough time for threads to pile up
}
* @param string $prefix Table prefix
*/
public function __construct( $database, $schema, $prefix ) {
- if ( $database !== null && ( !is_string( $database ) || !strlen( $database ) ) ) {
+ if ( $database !== null && ( !is_string( $database ) || $database === '' ) ) {
throw new InvalidArgumentException( 'Database must be null or a non-empty string.' );
}
$this->database = $database;
- if ( $schema !== null && ( !is_string( $schema ) || !strlen( $schema ) ) ) {
+ if ( $schema !== null && ( !is_string( $schema ) || $schema === '' ) ) {
throw new InvalidArgumentException( 'Schema must be null or a non-empty string.' );
}
$this->schema = $schema;
'section' => 'rendering/advancedrendering',
'label-message' => 'tog-showrollbackconfirmation',
];
-
- /**
- * FIXME
- * Remove temporary help text and references to DisableRollbackConfirmationFeature
- * after release of rollback feature. See T199534
- */
- if ( MediaWikiServices::getInstance()
- ->getMainConfig()->get( 'DisableRollbackConfirmationFeature' ) ) {
- $defaultPreferences['showrollbackconfirmation']
- ['help-message'] = 'tog-showrollbackconfirmation-prerelease-warning';
- }
}
}
}
/**
- * Main execution point
- *
- * @param string $subpage
+ * @param string|null $subpage
*/
public function execute( $subpage ) {
$this->rcSubpage = $subpage;
abstract class FormSpecialPage extends SpecialPage {
/**
* The sub-page of the special page.
- * @var string
+ * @var string|null
*/
protected $par = null;
/**
* Basic SpecialPage workflow: get a form, send it to the user; get some data back,
*
- * @param string $par Subpage string if one was specified
+ * @param string|null $par Subpage string if one was specified
*/
public function execute( $par ) {
$this->setParameter( $par );
/**
* Maybe do something interesting with the subpage parameter
- * @param string $par
+ * @param string|null $par
*/
protected function setParameter( $par ) {
$this->par = $par;
/**
* This is the actual workhorse. It does everything needed to make a
* real, honest-to-gosh query page.
- * @param string $par
+ * @param string|null $par
*/
public function execute( $par ) {
$user = $this->getUser();
}
/**
- * Show the special page
- *
- * @param string $par Parameter passed to the page or null
+ * @param string|null $par Parameter passed to the page or null
*/
public function execute( $par ) {
$out = $this->getOutput();
}
/**
- * Show the special page
- *
- * @param string $par Parameter passed to the page or null
+ * @param string|null $par Parameter passed to the page or null
*/
public function execute( $par ) {
$out = $this->getOutput();
}
/**
- * Main execution point
- *
- * @param string $par Title fragment
+ * @param string|null $par Title fragment
*/
public function execute( $par ) {
$this->setHeaders();
}
/**
- * Main execution point
- *
- * @param string $par Title fragment
+ * @param string|null $par Title fragment
*/
public function execute( $par ) {
$this->setHeaders();
}
/**
- * Show the special page
- *
- * @param string $isbn ISBN passed as a subpage parameter
+ * @param string|null $isbn ISBN passed as a subpage parameter
*/
public function execute( $isbn ) {
$out = $this->getOutput();
/**
* Show a form for filtering namespace and username
*
- * @param string $par
+ * @param string|null $par
* @return string
*/
public function execute( $par ) {
}
/**
- * Show the special page
- *
- * @param string $par (optional) A group to list users from
+ * @param string|null $par (optional) A group to list users from
*/
public function execute( $par ) {
$this->setHeaders();
parent::__construct( 'Newpages' );
}
+ /**
+ * @param string|null $par
+ */
protected function setup( $par ) {
$opts = new FormOptions();
$this->opts = $opts; // bind
$opts->validateIntBounds( 'limit', 0, 5000 );
}
+ /**
+ * @param string $par
+ */
protected function parseParams( $par ) {
$bits = preg_split( '/\s*,\s*/', trim( $par ) );
foreach ( $bits as $bit ) {
/**
* Show a form for filtering namespace and username
*
- * @param string $par
+ * @param string|null $par
*/
public function execute( $par ) {
$out = $this->getOutput();
}
/**
- * Main execution point
- *
- * @param string $subpage
+ * @param string|null $subpage
*/
public function execute( $subpage ) {
// Backwards-compatibility: redirect to new feed URLs
/**
* Entry point
*
- * @param string $par
+ * @param string|null $par
*/
public function execute( $par ) {
$request = $this->getRequest();
// parameter, but also as part of the primary url. This can have PII implications
// in releasing page view data. As such issue a 301 redirect to the correct
// URL.
- if ( strlen( $par ) && !strlen( $term ) ) {
+ if ( $par !== null && $par !== '' && $term === '' ) {
$query = $request->getValues();
unset( $query['title'] );
// Strip underscores from title parameter; most of the time we'll want
}
/**
- * Special page entry point
- * @param string $par
+ * @param string|null $par
* @throws ErrorPageError
* @throws Exception
* @throws FatalError
/**
* Execute page -- can output a file directly or show a listing of them.
*
- * @param string $subPage Subpage, e.g. in
+ * @param string|null $subPage Subpage, e.g. in
* https://example.com/wiki/Special:UploadStash/foo.jpg, the "foo.jpg" part
* @return bool Success
*/
"tog-useeditwarning": "Warn me when I leave an edit page with unsaved changes",
"tog-prefershttps": "Always use a secure connection while logged in",
"tog-showrollbackconfirmation": "Show a confirmation prompt when clicking on a rollback link",
- "tog-showrollbackconfirmation-prerelease-warning": "Please note: This feature is not available yet. If you set this preference now, your choice will be remembered [https://meta.wikimedia.org/wiki/WMDE_Technical_Wishes/Rollback#Status when the feature is released].",
"underline-always": "Always",
"underline-never": "Never",
"underline-default": "Skin or browser default",
"tog-useeditwarning": "Used as label for the checkbox in [[Special:Preferences#mw-prefsection-editing|Special:Preferences]].",
"tog-prefershttps": "Toggle option used in [[Special:Preferences]] that indicates if the user wants to use a secure connection when logged in",
"tog-showrollbackconfirmation": "Toggle option used in [[Special:Preferences]] to enable/disable rollback confirmation prompt. Should be visible only to users with rollback rights.",
- "tog-showrollbackconfirmation-prerelease-warning": "Notice for wikis where the option can be set before the feature is enabled.\n\nNote: This notice is temporary and will only appear before the rollback confirmation feature is released.",
"underline-always": "Used in [[Special:Preferences#mw-prefsection-rendering|Preferences]].\n\nThis option means \"always underline links\", there are also options {{msg-mw|Underline-never}} and {{msg-mw|Underline-default}}.\n\n{{Gender}}\n{{Identical|Always}}",
"underline-never": "Used in [[Special:Preferences#mw-prefsection-rendering|Preferences]].\n\nThis option means \"never underline links\", there are also options {{msg-mw|Underline-always}} and {{msg-mw|Underline-default}}.\n\n{{Gender}}\n{{Identical|Never}}",
"underline-default": "Used in [[Special:Preferences#mw-prefsection-rendering|Preferences]].\n\nThis option means \"underline links as in your user skin or your browser\", there are also options {{msg-mw|Underline-never}} and {{msg-mw|Underline-always}}.\n\n{{Gender}}\n{{Identical|Browser default}}",
$queries = [];
$sqltotal = 0.0;
+ /** @var profile_point|false $last */
$last = false;
foreach ( $res as $o ) {
$next = new profile_point( $o->pf_name, $o->pf_count, $o->pf_time, $o->pf_memory );
}
}
- $s = new profile_point( 'SQL Queries', 0, $sqltotal, 0, 0 );
+ $s = new profile_point( 'SQL Queries', 0, $sqltotal, 0 );
foreach ( $queries as $q ) {
$s->add_child( $q );
}
'scripts' => 'resources/src/mediawiki.action/mediawiki.action.view.rightClickEdit.js',
],
'mediawiki.action.edit.editWarning' => [
+ 'targets' => [ 'desktop', 'mobile' ],
'scripts' => 'resources/src/mediawiki.action/mediawiki.action.edit.editWarning.js',
'dependencies' => [
'jquery.textSelection',
dépôts / lhc / web / wiklou.git / commitdiff