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authorPierre Schmitz <pierre@archlinux.de>2011-12-03 13:29:22 +0100
committerPierre Schmitz <pierre@archlinux.de>2011-12-03 13:29:22 +0100
commitca32f08966f1b51fcb19460f0996bb0c4048e6fe (patch)
treeec04cc15b867bc21eedca904cea9af0254531a11 /includes/Block.php
parenta22fbfc60f36f5f7ee10d5ae6fe347340c2ee67c (diff)
Update to MediaWiki 1.18.0
* also update ArchLinux skin to chagnes in MonoBook * Use only css to hide our menu bar when printing
Diffstat (limited to 'includes/Block.php')
-rw-r--r--includes/Block.php1156
1 files changed, 693 insertions, 463 deletions
diff --git a/includes/Block.php b/includes/Block.php
index 7c5f0ddd..27181d86 100644
--- a/includes/Block.php
+++ b/includes/Block.php
@@ -1,53 +1,93 @@
<?php
/**
- * @file
* Blocks and bans object
- */
-
-/**
- * The block class
- * All the functions in this class assume the object is either explicitly
- * loaded or filled. It is not load-on-demand. There are no accessors.
*
- * Globals used: $wgAutoblockExpiry, $wgAntiLockFlags
+ * 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.
*
- * @todo This could be used everywhere, but it isn't.
+ * 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
*/
class Block {
- /* public*/ var $mAddress, $mUser, $mBy, $mReason, $mTimestamp, $mAuto, $mId, $mExpiry,
- $mRangeStart, $mRangeEnd, $mAnonOnly, $mEnableAutoblock, $mHideName,
- $mBlockEmail, $mByName, $mAngryAutoblock, $mAllowUsertalk;
- /* private */ var $mNetworkBits, $mIntegerAddr, $mForUpdate, $mFromMaster;
+ /* public*/ var $mReason, $mTimestamp, $mAuto, $mExpiry, $mHideName;
+
+ protected
+ $mId,
+ $mFromMaster,
- const EB_KEEP_EXPIRED = 1;
- const EB_FOR_UPDATE = 2;
- const EB_RANGE_ONLY = 4;
+ $mBlockEmail,
+ $mDisableUsertalk,
+ $mCreateAccount;
+ /// @var User|String
+ protected $target;
+
+ /// @var Block::TYPE_ constant. Can only be USER, IP or RANGE internally
+ protected $type;
+
+ /// @var User
+ protected $blocker;
+
+ /// @var Bool
+ protected $isHardblock = true;
+
+ /// @var Bool
+ protected $isAutoblocking = true;
+
+ # TYPE constants
+ const TYPE_USER = 1;
+ const TYPE_IP = 2;
+ const TYPE_RANGE = 3;
+ const TYPE_AUTO = 4;
+ const TYPE_ID = 5;
+
+ /**
+ * Constructor
+ * @todo FIXME: Don't know what the best format to have for this constructor is, but fourteen
+ * optional parameters certainly isn't it.
+ */
function __construct( $address = '', $user = 0, $by = 0, $reason = '',
$timestamp = 0, $auto = 0, $expiry = '', $anonOnly = 0, $createAccount = 0, $enableAutoblock = 0,
- $hideName = 0, $blockEmail = 0, $allowUsertalk = 0, $byName = false )
+ $hideName = 0, $blockEmail = 0, $allowUsertalk = 0 )
{
- $this->mId = 0;
- # Expand valid IPv6 addresses
- $address = IP::sanitizeIP( $address );
- $this->mAddress = $address;
- $this->mUser = $user;
- $this->mBy = $by;
+ if( $timestamp === 0 ){
+ $timestamp = wfTimestampNow();
+ }
+
+ if( count( func_get_args() ) > 0 ){
+ # Soon... :D
+ # wfDeprecated( __METHOD__ . " with arguments" );
+ }
+
+ $this->setTarget( $address );
+ $this->setBlocker( User::newFromID( $by ) );
$this->mReason = $reason;
$this->mTimestamp = wfTimestamp( TS_MW, $timestamp );
$this->mAuto = $auto;
- $this->mAnonOnly = $anonOnly;
- $this->mCreateAccount = $createAccount;
- $this->mExpiry = self::decodeExpiry( $expiry );
- $this->mEnableAutoblock = $enableAutoblock;
+ $this->isHardblock( !$anonOnly );
+ $this->prevents( 'createaccount', $createAccount );
+ if ( $expiry == 'infinity' || $expiry == Block::infinity() ) {
+ $this->mExpiry = 'infinity';
+ } else {
+ $this->mExpiry = wfTimestamp( TS_MW, $expiry );
+ }
+ $this->isAutoblocking( $enableAutoblock );
$this->mHideName = $hideName;
- $this->mBlockEmail = $blockEmail;
- $this->mAllowUsertalk = $allowUsertalk;
- $this->mForUpdate = false;
+ $this->prevents( 'sendemail', $blockEmail );
+ $this->prevents( 'editownusertalk', !$allowUsertalk );
+
$this->mFromMaster = false;
- $this->mByName = $byName;
- $this->mAngryAutoblock = false;
- $this->initialiseRange();
}
/**
@@ -57,56 +97,54 @@ class Block {
*
* @param $address String: IP address of user/anon
* @param $user Integer: user id of user
- * @param $killExpired Boolean: delete expired blocks on load
* @return Block Object
+ * @deprecated since 1.18
*/
- public static function newFromDB( $address, $user = 0, $killExpired = true ) {
- $block = new Block;
- $block->load( $address, $user, $killExpired );
-
- if ( $block->isValid() ) {
- return $block;
- } else {
- return null;
- }
+ public static function newFromDB( $address, $user = 0 ) {
+ return self::newFromTarget( User::whoIs( $user ), $address );
}
/**
* Load a blocked user from their block id.
*
* @param $id Integer: Block id to search for
- * @return Block object
+ * @return Block object or null
*/
public static function newFromID( $id ) {
$dbr = wfGetDB( DB_SLAVE );
- $res = $dbr->resultObject( $dbr->select( 'ipblocks', '*',
- array( 'ipb_id' => $id ), __METHOD__ ) );
- $block = new Block;
-
- if ( $block->loadFromResult( $res ) ) {
- return $block;
+ $res = $dbr->selectRow(
+ 'ipblocks',
+ '*',
+ array( 'ipb_id' => $id ),
+ __METHOD__
+ );
+ if ( $res ) {
+ return Block::newFromRow( $res );
} else {
return null;
}
}
/**
- * Check if two blocks are effectively equal
+ * Check if two blocks are effectively equal. Doesn't check irrelevant things like
+ * the blocking user or the block timestamp, only things which affect the blocked user *
*
- * @return Boolean
+ * @param $block Block
+ *
+ * @return bool
*/
public function equals( Block $block ) {
return (
- $this->mAddress == $block->mAddress
- && $this->mUser == $block->mUser
+ (string)$this->target == (string)$block->target
+ && $this->type == $block->type
&& $this->mAuto == $block->mAuto
- && $this->mAnonOnly == $block->mAnonOnly
- && $this->mCreateAccount == $block->mCreateAccount
+ && $this->isHardblock() == $block->isHardblock()
+ && $this->prevents( 'createaccount' ) == $block->prevents( 'createaccount' )
&& $this->mExpiry == $block->mExpiry
- && $this->mEnableAutoblock == $block->mEnableAutoblock
+ && $this->isAutoblocking() == $block->isAutoblocking()
&& $this->mHideName == $block->mHideName
- && $this->mBlockEmail == $block->mBlockEmail
- && $this->mAllowUsertalk == $block->mAllowUsertalk
+ && $this->prevents( 'sendemail' ) == $block->prevents( 'sendemail' )
+ && $this->prevents( 'editownusertalk' ) == $block->prevents( 'editownusertalk' )
&& $this->mReason == $block->mReason
);
}
@@ -114,251 +152,232 @@ class Block {
/**
* Clear all member variables in the current object. Does not clear
* the block from the DB.
+ * @deprecated since 1.18
*/
public function clear() {
- $this->mAddress = $this->mReason = $this->mTimestamp = '';
- $this->mId = $this->mAnonOnly = $this->mCreateAccount =
- $this->mEnableAutoblock = $this->mAuto = $this->mUser =
- $this->mBy = $this->mHideName = $this->mBlockEmail = $this->mAllowUsertalk = 0;
- $this->mByName = false;
+ # Noop
}
/**
- * Get the DB object and set the reference parameter to the select options.
- * The options array will contain FOR UPDATE if appropriate.
+ * Get a block from the DB, with either the given address or the given username
*
- * @param $options Array
- * @return Database
+ * @param $address string The IP address of the user, or blank to skip IP blocks
+ * @param $user int The user ID, or zero for anonymous users
+ * @return Boolean: the user is blocked from editing
+ * @deprecated since 1.18
*/
- protected function &getDBOptions( &$options ) {
- global $wgAntiLockFlags;
+ public function load( $address = '', $user = 0 ) {
+ wfDeprecated( __METHOD__ );
+ if( $user ){
+ $username = User::whoIs( $user );
+ $block = self::newFromTarget( $username, $address );
+ } else {
+ $block = self::newFromTarget( null, $address );
+ }
- if ( $this->mForUpdate || $this->mFromMaster ) {
- $db = wfGetDB( DB_MASTER );
- if ( !$this->mForUpdate || ( $wgAntiLockFlags & ALF_NO_BLOCK_LOCK ) ) {
- $options = array();
- } else {
- $options = array( 'FOR UPDATE' );
+ if( $block instanceof Block ){
+ # This is mildly evil, but hey, it's B/C :D
+ foreach( $block as $variable => $value ){
+ $this->$variable = $value;
}
+ return true;
} else {
- $db = wfGetDB( DB_SLAVE );
- $options = array();
+ return false;
}
-
- return $db;
}
/**
- * Get a block from the DB, with either the given address or the given username
- *
- * @param $address string The IP address of the user, or blank to skip IP blocks
- * @param $user int The user ID, or zero for anonymous users
- * @param $killExpired bool Whether to delete expired rows while loading
- * @return Boolean: the user is blocked from editing
- *
+ * Load a block from the database which affects the already-set $this->target:
+ * 1) A block directly on the given user or IP
+ * 2) A rangeblock encompasing the given IP (smallest first)
+ * 3) An autoblock on the given IP
+ * @param $vagueTarget User|String also search for blocks affecting this target. Doesn't
+ * make any sense to use TYPE_AUTO / TYPE_ID here. Leave blank to skip IP lookups.
+ * @return Bool whether a relevant block was found
*/
- public function load( $address = '', $user = 0, $killExpired = true ) {
- wfDebug( "Block::load: '$address', '$user', $killExpired\n" );
+ protected function newLoad( $vagueTarget = null ) {
+ $db = wfGetDB( $this->mFromMaster ? DB_MASTER : DB_SLAVE );
- $options = array();
- $db = $this->getDBOptions( $options );
-
- if ( 0 == $user && $address === '' ) {
- # Invalid user specification, not blocked
- $this->clear();
-
- return false;
+ if( $this->type !== null ){
+ $conds = array(
+ 'ipb_address' => array( (string)$this->target ),
+ );
+ } else {
+ $conds = array( 'ipb_address' => array() );
}
- # Try user block
- if ( $user ) {
- $res = $db->resultObject( $db->select( 'ipblocks', '*', array( 'ipb_user' => $user ),
- __METHOD__, $options ) );
-
- if ( $this->loadFromResult( $res, $killExpired ) ) {
- return true;
+ # Be aware that the != '' check is explicit, since empty values will be
+ # passed by some callers (bug 29116)
+ if( $vagueTarget != ''){
+ list( $target, $type ) = self::parseTarget( $vagueTarget );
+ switch( $type ) {
+ case self::TYPE_USER:
+ # Slightly wierd, but who are we to argue?
+ $conds['ipb_address'][] = (string)$target;
+ break;
+
+ case self::TYPE_IP:
+ $conds['ipb_address'][] = (string)$target;
+ $conds[] = self::getRangeCond( IP::toHex( $target ) );
+ $conds = $db->makeList( $conds, LIST_OR );
+ break;
+
+ case self::TYPE_RANGE:
+ list( $start, $end ) = IP::parseRange( $target );
+ $conds['ipb_address'][] = (string)$target;
+ $conds[] = self::getRangeCond( $start, $end );
+ $conds = $db->makeList( $conds, LIST_OR );
+ break;
+
+ default:
+ throw new MWException( "Tried to load block with invalid type" );
}
}
- # Try IP block
- # TODO: improve performance by merging this query with the autoblock one
- # Slightly tricky while handling killExpired as well
- if ( $address !== '' ) {
- $conds = array( 'ipb_address' => $address, 'ipb_auto' => 0 );
- $res = $db->resultObject( $db->select( 'ipblocks', '*', $conds, __METHOD__, $options ) );
-
- if ( $this->loadFromResult( $res, $killExpired ) ) {
- if ( $user && $this->mAnonOnly ) {
- # Block is marked anon-only
- # Whitelist this IP address against autoblocks and range blocks
- # (but not account creation blocks -- bug 13611)
- if ( !$this->mCreateAccount ) {
- $this->clear();
- }
-
- return false;
- } else {
- return true;
- }
- }
- }
+ $res = $db->select( 'ipblocks', '*', $conds, __METHOD__ );
- # Try range block
- if ( $this->loadRange( $address, $killExpired, $user ) ) {
- if ( $user && $this->mAnonOnly ) {
- # Respect account creation blocks on logged-in users -- bug 13611
- if ( !$this->mCreateAccount ) {
- $this->clear();
- }
+ # This result could contain a block on the user, a block on the IP, and a russian-doll
+ # set of rangeblocks. We want to choose the most specific one, so keep a leader board.
+ $bestRow = null;
- return false;
- } else {
- return true;
- }
- }
+ # Lower will be better
+ $bestBlockScore = 100;
- # Try autoblock
- if ( $address ) {
- $conds = array( 'ipb_address' => $address, 'ipb_auto' => 1 );
+ # This is begging for $this = $bestBlock, but that's not allowed in PHP :(
+ $bestBlockPreventsEdit = null;
- if ( $user ) {
- $conds['ipb_anon_only'] = 0;
- }
+ foreach( $res as $row ){
+ $block = Block::newFromRow( $row );
- $res = $db->resultObject( $db->select( 'ipblocks', '*', $conds, __METHOD__, $options ) );
+ # Don't use expired blocks
+ if( $block->deleteIfExpired() ){
+ continue;
+ }
- if ( $this->loadFromResult( $res, $killExpired ) ) {
- return true;
+ # Don't use anon only blocks on users
+ if( $this->type == self::TYPE_USER && !$block->isHardblock() ){
+ continue;
}
- }
- # Give up
- $this->clear();
- return false;
- }
+ if( $block->getType() == self::TYPE_RANGE ){
+ # This is the number of bits that are allowed to vary in the block, give
+ # or take some floating point errors
+ $end = wfBaseconvert( $block->getRangeEnd(), 16, 10 );
+ $start = wfBaseconvert( $block->getRangeStart(), 16, 10 );
+ $size = log( $end - $start + 1, 2 );
+
+ # This has the nice property that a /32 block is ranked equally with a
+ # single-IP block, which is exactly what it is...
+ $score = self::TYPE_RANGE - 1 + ( $size / 128 );
- /**
- * Fill in member variables from a result wrapper
- *
- * @param $res ResultWrapper: row from the ipblocks table
- * @param $killExpired Boolean: whether to delete expired rows while loading
- * @return Boolean
- */
- protected function loadFromResult( ResultWrapper $res, $killExpired = true ) {
- $ret = false;
-
- if ( 0 != $res->numRows() ) {
- # Get first block
- $row = $res->fetchObject();
- $this->initFromRow( $row );
-
- if ( $killExpired ) {
- # If requested, delete expired rows
- do {
- $killed = $this->deleteIfExpired();
- if ( $killed ) {
- $row = $res->fetchObject();
- if ( $row ) {
- $this->initFromRow( $row );
- }
- }
- } while ( $killed && $row );
-
- # If there were any left after the killing finished, return true
- if ( $row ) {
- $ret = true;
- }
} else {
- $ret = true;
+ $score = $block->getType();
+ }
+
+ if( $score < $bestBlockScore ){
+ $bestBlockScore = $score;
+ $bestRow = $row;
+ $bestBlockPreventsEdit = $block->prevents( 'edit' );
}
}
- $res->free();
- return $ret;
+ if( $bestRow !== null ){
+ $this->initFromRow( $bestRow );
+ $this->prevents( 'edit', $bestBlockPreventsEdit );
+ return true;
+ } else {
+ return false;
+ }
}
/**
- * Search the database for any range blocks matching the given address, and
- * load the row if one is found.
- *
- * @param $address String: IP address range
- * @param $killExpired Boolean: whether to delete expired rows while loading
- * @param $user Integer: if not 0, then sets ipb_anon_only
- * @return Boolean
+ * Get a set of SQL conditions which will select rangeblocks encompasing a given range
+ * @param $start String Hexadecimal IP representation
+ * @param $end String Hexadecimal IP represenation, or null to use $start = $end
+ * @return String
*/
- public function loadRange( $address, $killExpired = true, $user = 0 ) {
- $iaddr = IP::toHex( $address );
-
- if ( $iaddr === false ) {
- # Invalid address
- return false;
+ public static function getRangeCond( $start, $end = null ) {
+ if ( $end === null ) {
+ $end = $start;
}
+ # Per bug 14634, we want to include relevant active rangeblocks; for
+ # rangeblocks, we want to include larger ranges which enclose the given
+ # range. We know that all blocks must be smaller than $wgBlockCIDRLimit,
+ # so we can improve performance by filtering on a LIKE clause
+ $chunk = self::getIpFragment( $start );
+ $dbr = wfGetDB( DB_SLAVE );
+ $like = $dbr->buildLike( $chunk, $dbr->anyString() );
- # Only scan ranges which start in this /16, this improves search speed
- # Blocks should not cross a /16 boundary.
- $range = substr( $iaddr, 0, 4 );
+ # Fairly hard to make a malicious SQL statement out of hex characters,
+ # but stranger things have happened...
+ $safeStart = $dbr->addQuotes( $start );
+ $safeEnd = $dbr->addQuotes( $end );
- $options = array();
- $db = $this->getDBOptions( $options );
- $conds = array(
- 'ipb_range_start' . $db->buildLike( $range, $db->anyString() ),
- "ipb_range_start <= '$iaddr'",
- "ipb_range_end >= '$iaddr'"
+ return $dbr->makeList(
+ array(
+ "ipb_range_start $like",
+ "ipb_range_start <= $safeStart",
+ "ipb_range_end >= $safeEnd",
+ ),
+ LIST_AND
);
+ }
- if ( $user ) {
- $conds['ipb_anon_only'] = 0;
+ /**
+ * Get the component of an IP address which is certain to be the same between an IP
+ * address and a rangeblock containing that IP address.
+ * @param $hex String Hexadecimal IP representation
+ * @return String
+ */
+ protected static function getIpFragment( $hex ) {
+ global $wgBlockCIDRLimit;
+ if ( substr( $hex, 0, 3 ) == 'v6-' ) {
+ return 'v6-' . substr( substr( $hex, 3 ), 0, floor( $wgBlockCIDRLimit['IPv6'] / 4 ) );
+ } else {
+ return substr( $hex, 0, floor( $wgBlockCIDRLimit['IPv4'] / 4 ) );
}
-
- $res = $db->resultObject( $db->select( 'ipblocks', '*', $conds, __METHOD__, $options ) );
- $success = $this->loadFromResult( $res, $killExpired );
-
- return $success;
}
/**
* Given a database row from the ipblocks table, initialize
* member variables
- *
* @param $row ResultWrapper: a row from the ipblocks table
*/
- public function initFromRow( $row ) {
- $this->mAddress = $row->ipb_address;
+ protected function initFromRow( $row ) {
+ $this->setTarget( $row->ipb_address );
+ $this->setBlocker( User::newFromId( $row->ipb_by ) );
+
$this->mReason = $row->ipb_reason;
$this->mTimestamp = wfTimestamp( TS_MW, $row->ipb_timestamp );
- $this->mUser = $row->ipb_user;
- $this->mBy = $row->ipb_by;
$this->mAuto = $row->ipb_auto;
- $this->mAnonOnly = $row->ipb_anon_only;
- $this->mCreateAccount = $row->ipb_create_account;
- $this->mEnableAutoblock = $row->ipb_enable_autoblock;
- $this->mBlockEmail = $row->ipb_block_email;
- $this->mAllowUsertalk = $row->ipb_allow_usertalk;
$this->mHideName = $row->ipb_deleted;
$this->mId = $row->ipb_id;
- $this->mExpiry = self::decodeExpiry( $row->ipb_expiry );
- if ( isset( $row->user_name ) ) {
- $this->mByName = $row->user_name;
+ // I wish I didn't have to do this
+ $db = wfGetDB( DB_SLAVE );
+ if ( $row->ipb_expiry == $db->getInfinity() ) {
+ $this->mExpiry = 'infinity';
} else {
- $this->mByName = $row->ipb_by_text;
+ $this->mExpiry = wfTimestamp( TS_MW, $row->ipb_expiry );
}
- $this->mRangeStart = $row->ipb_range_start;
- $this->mRangeEnd = $row->ipb_range_end;
+ $this->isHardblock( !$row->ipb_anon_only );
+ $this->isAutoblocking( $row->ipb_enable_autoblock );
+
+ $this->prevents( 'createaccount', $row->ipb_create_account );
+ $this->prevents( 'sendemail', $row->ipb_block_email );
+ $this->prevents( 'editownusertalk', !$row->ipb_allow_usertalk );
}
/**
- * Once $mAddress has been set, get the range they came from.
- * Wrapper for IP::parseRange
+ * Create a new Block object from a database row
+ * @param $row ResultWrapper row from the ipblocks table
+ * @return Block
*/
- protected function initialiseRange() {
- $this->mRangeStart = '';
- $this->mRangeEnd = '';
-
- if ( $this->mUser == 0 ) {
- list( $this->mRangeStart, $this->mRangeEnd ) = IP::parseRange( $this->mAddress );
- }
+ public static function newFromRow( $row ){
+ $block = new Block;
+ $block->initFromRow( $row );
+ return $block;
}
/**
@@ -371,12 +390,12 @@ class Block {
return false;
}
- if ( !$this->mId ) {
- throw new MWException( "Block::delete() now requires that the mId member be filled\n" );
+ if ( !$this->getId() ) {
+ throw new MWException( "Block::delete() requires that the mId member be filled\n" );
}
$dbw = wfGetDB( DB_MASTER );
- $dbw->delete( 'ipblocks', array( 'ipb_id' => $this->mId ), __METHOD__ );
+ $dbw->delete( 'ipblocks', array( 'ipb_id' => $this->getId() ), __METHOD__ );
return $dbw->affectedRows() > 0;
}
@@ -385,16 +404,16 @@ class Block {
* Insert a block into the block table. Will fail if there is a conflicting
* block (same name and options) already in the database.
*
- * @return Boolean: whether or not the insertion was successful.
+ * @param $dbw DatabaseBase if you have one available
+ * @return mixed: false on failure, assoc array on success:
+ * ('id' => block ID, 'autoIds' => array of autoblock IDs)
*/
public function insert( $dbw = null ) {
wfDebug( "Block::insert; timestamp {$this->mTimestamp}\n" );
- if ( $dbw === null )
+ if ( $dbw === null ) {
$dbw = wfGetDB( DB_MASTER );
-
- $this->validateBlockParams();
- $this->initialiseRange();
+ }
# Don't collide with expired blocks
Block::purgeExpired();
@@ -402,139 +421,125 @@ class Block {
$ipb_id = $dbw->nextSequenceValue( 'ipblocks_ipb_id_seq' );
$dbw->insert(
'ipblocks',
- array(
- 'ipb_id' => $ipb_id,
- 'ipb_address' => $this->mAddress,
- 'ipb_user' => $this->mUser,
- 'ipb_by' => $this->mBy,
- 'ipb_by_text' => $this->mByName,
- 'ipb_reason' => $this->mReason,
- 'ipb_timestamp' => $dbw->timestamp( $this->mTimestamp ),
- 'ipb_auto' => $this->mAuto,
- 'ipb_anon_only' => $this->mAnonOnly,
- 'ipb_create_account' => $this->mCreateAccount,
- 'ipb_enable_autoblock' => $this->mEnableAutoblock,
- 'ipb_expiry' => self::encodeExpiry( $this->mExpiry, $dbw ),
- 'ipb_range_start' => $this->mRangeStart,
- 'ipb_range_end' => $this->mRangeEnd,
- 'ipb_deleted' => intval( $this->mHideName ), // typecast required for SQLite
- 'ipb_block_email' => $this->mBlockEmail,
- 'ipb_allow_usertalk' => $this->mAllowUsertalk
- ),
- 'Block::insert',
+ $this->getDatabaseArray(),
+ __METHOD__,
array( 'IGNORE' )
);
$affected = $dbw->affectedRows();
+ $this->mId = $dbw->insertId();
- if ( $affected )
- $this->doRetroactiveAutoblock();
+ if ( $affected ) {
+ $auto_ipd_ids = $this->doRetroactiveAutoblock();
+ return array( 'id' => $this->mId, 'autoIds' => $auto_ipd_ids );
+ }
- return (bool)$affected;
+ return false;
}
/**
* Update a block in the DB with new parameters.
* The ID field needs to be loaded first.
+ *
+ * @return Int number of affected rows, which should probably be 1 or something's
+ * gone slightly awry
*/
public function update() {
wfDebug( "Block::update; timestamp {$this->mTimestamp}\n" );
$dbw = wfGetDB( DB_MASTER );
- $this->validateBlockParams();
-
$dbw->update(
'ipblocks',
- array(
- 'ipb_user' => $this->mUser,
- 'ipb_by' => $this->mBy,
- 'ipb_by_text' => $this->mByName,
- 'ipb_reason' => $this->mReason,
- 'ipb_timestamp' => $dbw->timestamp( $this->mTimestamp ),
- 'ipb_auto' => $this->mAuto,
- 'ipb_anon_only' => $this->mAnonOnly,
- 'ipb_create_account' => $this->mCreateAccount,
- 'ipb_enable_autoblock' => $this->mEnableAutoblock,
- 'ipb_expiry' => self::encodeExpiry( $this->mExpiry, $dbw ),
- 'ipb_range_start' => $this->mRangeStart,
- 'ipb_range_end' => $this->mRangeEnd,
- 'ipb_deleted' => $this->mHideName,
- 'ipb_block_email' => $this->mBlockEmail,
- 'ipb_allow_usertalk' => $this->mAllowUsertalk
- ),
- array( 'ipb_id' => $this->mId ),
- 'Block::update'
+ $this->getDatabaseArray( $dbw ),
+ array( 'ipb_id' => $this->getId() ),
+ __METHOD__
);
return $dbw->affectedRows();
}
/**
- * Make sure all the proper members are set to sane values
- * before adding/updating a block
+ * Get an array suitable for passing to $dbw->insert() or $dbw->update()
+ * @param $db DatabaseBase
+ * @return Array
*/
- protected function validateBlockParams() {
- # Unset ipb_anon_only for user blocks, makes no sense
- if ( $this->mUser ) {
- $this->mAnonOnly = 0;
+ protected function getDatabaseArray( $db = null ){
+ if( !$db ){
+ $db = wfGetDB( DB_SLAVE );
}
+ $expiry = $db->encodeExpiry( $this->mExpiry );
+
+ $a = array(
+ 'ipb_address' => (string)$this->target,
+ 'ipb_user' => $this->target instanceof User ? $this->target->getID() : 0,
+ 'ipb_by' => $this->getBlocker()->getId(),
+ 'ipb_by_text' => $this->getBlocker()->getName(),
+ 'ipb_reason' => $this->mReason,
+ 'ipb_timestamp' => $db->timestamp( $this->mTimestamp ),
+ 'ipb_auto' => $this->mAuto,
+ 'ipb_anon_only' => !$this->isHardblock(),
+ 'ipb_create_account' => $this->prevents( 'createaccount' ),
+ 'ipb_enable_autoblock' => $this->isAutoblocking(),
+ 'ipb_expiry' => $expiry,
+ 'ipb_range_start' => $this->getRangeStart(),
+ 'ipb_range_end' => $this->getRangeEnd(),
+ 'ipb_deleted' => intval( $this->mHideName ), // typecast required for SQLite
+ 'ipb_block_email' => $this->prevents( 'sendemail' ),
+ 'ipb_allow_usertalk' => !$this->prevents( 'editownusertalk' )
+ );
- # Unset ipb_enable_autoblock for IP blocks, makes no sense
- if ( !$this->mUser ) {
- $this->mEnableAutoblock = 0;
- }
+ return $a;
+ }
- # bug 18860: non-anon-only IP blocks should be allowed to block email
- if ( !$this->mUser && $this->mAnonOnly ) {
- $this->mBlockEmail = 0;
- }
+ /**
+ * Retroactively autoblocks the last IP used by the user (if it is a user)
+ * blocked by this Block.
+ *
+ * @return Array: block IDs of retroactive autoblocks made
+ */
+ protected function doRetroactiveAutoblock() {
+ $blockIds = array();
+ # If autoblock is enabled, autoblock the LAST IP(s) used
+ if ( $this->isAutoblocking() && $this->getType() == self::TYPE_USER ) {
+ wfDebug( "Doing retroactive autoblocks for " . $this->getTarget() . "\n" );
- if ( !$this->mByName ) {
- if ( $this->mBy ) {
- $this->mByName = User::whoIs( $this->mBy );
- } else {
- global $wgUser;
- $this->mByName = $wgUser->getName();
+ $continue = wfRunHooks(
+ 'PerformRetroactiveAutoblock', array( $this, &$blockIds ) );
+
+ if ( $continue ) {
+ self::defaultRetroactiveAutoblock( $this, $blockIds );
}
}
+ return $blockIds;
}
/**
* Retroactively autoblocks the last IP used by the user (if it is a user)
- * blocked by this Block.
+ * blocked by this Block. This will use the recentchanges table.
*
- * @return Boolean: whether or not a retroactive autoblock was made.
+ * @param Block $block
+ * @param Array &$blockIds
+ * @return Array: block IDs of retroactive autoblocks made
*/
- public function doRetroactiveAutoblock() {
+ protected static function defaultRetroactiveAutoblock( Block $block, array &$blockIds ) {
$dbr = wfGetDB( DB_SLAVE );
- # If autoblock is enabled, autoblock the LAST IP used
- # - stolen shamelessly from CheckUser_body.php
- if ( $this->mEnableAutoblock && $this->mUser ) {
- wfDebug( "Doing retroactive autoblocks for " . $this->mAddress . "\n" );
+ $options = array( 'ORDER BY' => 'rc_timestamp DESC' );
+ $conds = array( 'rc_user_text' => (string)$block->getTarget() );
- $options = array( 'ORDER BY' => 'rc_timestamp DESC' );
- $conds = array( 'rc_user_text' => $this->mAddress );
-
- if ( $this->mAngryAutoblock ) {
- // Block any IP used in the last 7 days. Up to five IPs.
- $conds[] = 'rc_timestamp < ' . $dbr->addQuotes( $dbr->timestamp( time() - ( 7 * 86400 ) ) );
- $options['LIMIT'] = 5;
- } else {
- // Just the last IP used.
- $options['LIMIT'] = 1;
- }
+ // Just the last IP used.
+ $options['LIMIT'] = 1;
- $res = $dbr->select( 'recentchanges', array( 'rc_ip' ), $conds,
- __METHOD__ , $options );
+ $res = $dbr->select( 'recentchanges', array( 'rc_ip' ), $conds,
+ __METHOD__ , $options );
- if ( !$dbr->numRows( $res ) ) {
- # No results, don't autoblock anything
- wfDebug( "No IP found to retroactively autoblock\n" );
- } else {
- foreach ( $res as $row ) {
- if ( $row->rc_ip ) {
- $this->doAutoblock( $row->rc_ip );
- }
+ if ( !$dbr->numRows( $res ) ) {
+ # No results, don't autoblock anything
+ wfDebug( "No IP found to retroactively autoblock\n" );
+ } else {
+ foreach ( $res as $row ) {
+ if ( $row->rc_ip ) {
+ $id = $block->doAutoblock( $row->rc_ip );
+ if ( $id ) $blockIds[] = $id;
}
}
}
@@ -542,6 +547,7 @@ class Block {
/**
* Checks whether a given IP is on the autoblock whitelist.
+ * TODO: this probably belongs somewhere else, but not sure where...
*
* @param $ip String: The IP to check
* @return Boolean
@@ -587,73 +593,70 @@ class Block {
* Autoblocks the given IP, referring to this Block.
*
* @param $autoblockIP String: the IP to autoblock.
- * @param $justInserted Boolean: the main block was just inserted
- * @return Boolean: whether or not an autoblock was inserted.
+ * @return mixed: block ID if an autoblock was inserted, false if not.
*/
- public function doAutoblock( $autoblockIP, $justInserted = false ) {
+ public function doAutoblock( $autoblockIP ) {
# If autoblocks are disabled, go away.
- if ( !$this->mEnableAutoblock ) {
- return;
+ if ( !$this->isAutoblocking() ) {
+ return false;
}
- # Check for presence on the autoblock whitelist
- if ( Block::isWhitelistedFromAutoblocks( $autoblockIP ) ) {
- return;
+ # Check for presence on the autoblock whitelist.
+ if ( self::isWhitelistedFromAutoblocks( $autoblockIP ) ) {
+ return false;
}
- # # Allow hooks to cancel the autoblock.
+ # Allow hooks to cancel the autoblock.
if ( !wfRunHooks( 'AbortAutoblock', array( $autoblockIP, &$this ) ) ) {
wfDebug( "Autoblock aborted by hook.\n" );
return false;
}
- # It's okay to autoblock. Go ahead and create/insert the block.
+ # It's okay to autoblock. Go ahead and insert/update the block...
- $ipblock = Block::newFromDB( $autoblockIP );
+ # Do not add a *new* block if the IP is already blocked.
+ $ipblock = Block::newFromTarget( $autoblockIP );
if ( $ipblock ) {
- # If the user is already blocked. Then check if the autoblock would
- # exceed the user block. If it would exceed, then do nothing, else
- # prolong block time
- if ( $this->mExpiry &&
- ( $this->mExpiry < Block::getAutoblockExpiry( $ipblock->mTimestamp ) )
+ # Check if the block is an autoblock and would exceed the user block
+ # if renewed. If so, do nothing, otherwise prolong the block time...
+ if ( $ipblock->mAuto && // @TODO: why not compare $ipblock->mExpiry?
+ $this->mExpiry > Block::getAutoblockExpiry( $ipblock->mTimestamp )
) {
- return;
- }
-
- # Just update the timestamp
- if ( !$justInserted ) {
+ # Reset block timestamp to now and its expiry to
+ # $wgAutoblockExpiry in the future
$ipblock->updateTimestamp();
}
+ return false;
+ }
- return;
- } else {
- $ipblock = new Block;
- }
-
- # Make a new block object with the desired properties
- wfDebug( "Autoblocking {$this->mAddress}@" . $autoblockIP . "\n" );
- $ipblock->mAddress = $autoblockIP;
- $ipblock->mUser = 0;
- $ipblock->mBy = $this->mBy;
- $ipblock->mByName = $this->mByName;
- $ipblock->mReason = wfMsgForContent( 'autoblocker', $this->mAddress, $this->mReason );
- $ipblock->mTimestamp = wfTimestampNow();
- $ipblock->mAuto = 1;
- $ipblock->mCreateAccount = $this->mCreateAccount;
+ # Make a new block object with the desired properties.
+ $autoblock = new Block;
+ wfDebug( "Autoblocking {$this->getTarget()}@" . $autoblockIP . "\n" );
+ $autoblock->setTarget( $autoblockIP );
+ $autoblock->setBlocker( $this->getBlocker() );
+ $autoblock->mReason = wfMsgForContent( 'autoblocker', $this->getTarget(), $this->mReason );
+ $timestamp = wfTimestampNow();
+ $autoblock->mTimestamp = $timestamp;
+ $autoblock->mAuto = 1;
+ $autoblock->prevents( 'createaccount', $this->prevents( 'createaccount' ) );
# Continue suppressing the name if needed
- $ipblock->mHideName = $this->mHideName;
- $ipblock->mAllowUsertalk = $this->mAllowUsertalk;
+ $autoblock->mHideName = $this->mHideName;
+ $autoblock->prevents( 'editownusertalk', $this->prevents( 'editownusertalk' ) );
- # If the user is already blocked with an expiry date, we don't
- # want to pile on top of that!
- if ( $this->mExpiry ) {
- $ipblock->mExpiry = min( $this->mExpiry, Block::getAutoblockExpiry( $this->mTimestamp ) );
+ if ( $this->mExpiry == 'infinity' ) {
+ # Original block was indefinite, start an autoblock now
+ $autoblock->mExpiry = Block::getAutoblockExpiry( $timestamp );
} else {
- $ipblock->mExpiry = Block::getAutoblockExpiry( $this->mTimestamp );
+ # If the user is already blocked with an expiry date, we don't
+ # want to pile on top of that.
+ $autoblock->mExpiry = min( $this->mExpiry, Block::getAutoblockExpiry( $timestamp ) );
}
- # Insert it
- return $ipblock->insert();
+ # Insert the block...
+ $status = $autoblock->insert();
+ return $status
+ ? $status['id']
+ : false;
}
/**
@@ -681,12 +684,13 @@ class Block {
* @return Boolean
*/
public function isExpired() {
- wfDebug( "Block::isExpired() checking current " . wfTimestampNow() . " vs $this->mExpiry\n" );
+ $timestamp = wfTimestampNow();
+ wfDebug( "Block::isExpired() checking current " . $timestamp . " vs $this->mExpiry\n" );
if ( !$this->mExpiry ) {
return false;
} else {
- return wfTimestampNow() > $this->mExpiry;
+ return $timestamp > $this->mExpiry;
}
}
@@ -695,7 +699,7 @@ class Block {
* @return Boolean
*/
public function isValid() {
- return $this->mAddress != '';
+ return $this->getTarget() != null;
}
/**
@@ -711,20 +715,58 @@ class Block {
array( /* SET */
'ipb_timestamp' => $dbw->timestamp( $this->mTimestamp ),
'ipb_expiry' => $dbw->timestamp( $this->mExpiry ),
- ), array( /* WHERE */
- 'ipb_address' => $this->mAddress
- ), 'Block::updateTimestamp'
+ ),
+ array( /* WHERE */
+ 'ipb_address' => (string)$this->getTarget()
+ ),
+ __METHOD__
);
}
}
/**
+ * Get the IP address at the start of the range in Hex form
+ * @return String IP in Hex form
+ */
+ public function getRangeStart() {
+ switch( $this->type ) {
+ case self::TYPE_USER:
+ return '';
+ case self::TYPE_IP:
+ return IP::toHex( $this->target );
+ case self::TYPE_RANGE:
+ list( $start, /*...*/ ) = IP::parseRange( $this->target );
+ return $start;
+ default: throw new MWException( "Block with invalid type" );
+ }
+ }
+
+ /**
+ * Get the IP address at the start of the range in Hex form
+ * @return String IP in Hex form
+ */
+ public function getRangeEnd() {
+ switch( $this->type ) {
+ case self::TYPE_USER:
+ return '';
+ case self::TYPE_IP:
+ return IP::toHex( $this->target );
+ case self::TYPE_RANGE:
+ list( /*...*/, $end ) = IP::parseRange( $this->target );
+ return $end;
+ default: throw new MWException( "Block with invalid type" );
+ }
+ }
+
+ /**
* Get the user id of the blocking sysop
*
* @return Integer
*/
public function getBy() {
- return $this->mBy;
+ return $this->getBlocker() instanceof User
+ ? $this->getBlocker()->getId()
+ : 0;
}
/**
@@ -733,32 +775,102 @@ class Block {
* @return String
*/
public function getByName() {
- return $this->mByName;
+ return $this->getBlocker() instanceof User
+ ? $this->getBlocker()->getName()
+ : null;
+ }
+
+ /**
+ * Get the block ID
+ * @return int
+ */
+ public function getId() {
+ return $this->mId;
}
/**
* Get/set the SELECT ... FOR UPDATE flag
+ * @deprecated since 1.18
+ *
+ * @param $x Bool
*/
public function forUpdate( $x = null ) {
- return wfSetVar( $this->mForUpdate, $x );
+ # noop
}
/**
* Get/set a flag determining whether the master is used for reads
+ *
+ * @param $x Bool
+ * @return Bool
*/
public function fromMaster( $x = null ) {
return wfSetVar( $this->mFromMaster, $x );
}
/**
+ * Get/set whether the Block is a hardblock (affects logged-in users on a given IP/range
+ * @param $x Bool
+ * @return Bool
+ */
+ public function isHardblock( $x = null ) {
+ wfSetVar( $this->isHardblock, $x );
+
+ # You can't *not* hardblock a user
+ return $this->getType() == self::TYPE_USER
+ ? true
+ : $this->isHardblock;
+ }
+
+ public function isAutoblocking( $x = null ) {
+ wfSetVar( $this->isAutoblocking, $x );
+
+ # You can't put an autoblock on an IP or range as we don't have any history to
+ # look over to get more IPs from
+ return $this->getType() == self::TYPE_USER
+ ? $this->isAutoblocking
+ : false;
+ }
+
+ /**
+ * Get/set whether the Block prevents a given action
+ * @param $action String
+ * @param $x Bool
+ * @return Bool
+ */
+ public function prevents( $action, $x = null ) {
+ switch( $action ) {
+ case 'edit':
+ # For now... <evil laugh>
+ return true;
+
+ case 'createaccount':
+ return wfSetVar( $this->mCreateAccount, $x );
+
+ case 'sendemail':
+ return wfSetVar( $this->mBlockEmail, $x );
+
+ case 'editownusertalk':
+ return wfSetVar( $this->mDisableUsertalk, $x );
+
+ default:
+ return null;
+ }
+ }
+
+ /**
* Get the block name, but with autoblocked IPs hidden as per standard privacy policy
- * @return String
+ * @return String, text is escaped
*/
public function getRedactedName() {
if ( $this->mAuto ) {
- return '#' . $this->mId;
+ return Html::rawElement(
+ 'span',
+ array( 'class' => 'mw-autoblockid' ),
+ wfMessage( 'autoblockid', $this->mId )
+ );
} else {
- return $this->mAddress;
+ return htmlspecialchars( $this->getTarget() );
}
}
@@ -768,33 +880,29 @@ class Block {
* @param $expiry String: timestamp for expiry, or
* @param $db Database object
* @return String
+ * @deprecated since 1.18; use $dbw->encodeExpiry() instead
*/
public static function encodeExpiry( $expiry, $db ) {
- if ( $expiry == '' || $expiry == Block::infinity() ) {
- return Block::infinity();
- } else {
- return $db->timestamp( $expiry );
- }
+ return $db->encodeExpiry( $expiry );
}
/**
* Decode expiry which has come from the DB
*
* @param $expiry String: Database expiry format
- * @param $timestampType Requested timestamp format
+ * @param $timestampType Int Requested timestamp format
* @return String
+ * @deprecated since 1.18; use $wgLang->decodeExpiry() instead
*/
public static function decodeExpiry( $expiry, $timestampType = TS_MW ) {
- if ( $expiry == '' || $expiry == Block::infinity() ) {
- return Block::infinity();
- } else {
- return wfTimestamp( $timestampType, $expiry );
- }
+ global $wgContLang;
+ return $wgContLang->formatExpiry( $expiry, $timestampType );
}
/**
* Get a timestamp of the expiry for autoblocks
*
+ * @param $timestamp String|Int
* @return String
*/
public static function getAutoblockExpiry( $timestamp ) {
@@ -808,35 +916,10 @@ class Block {
* For example, 127.111.113.151/24 -> 127.111.113.0/24
* @param $range String: IP address to normalize
* @return string
+ * @deprecated since 1.18, call IP::sanitizeRange() directly
*/
public static function normaliseRange( $range ) {
- $parts = explode( '/', $range );
- if ( count( $parts ) == 2 ) {
- // IPv6
- if ( IP::isIPv6( $range ) && $parts[1] >= 64 && $parts[1] <= 128 ) {
- $bits = $parts[1];
- $ipint = IP::toUnsigned( $parts[0] );
- # Native 32 bit functions WON'T work here!!!
- # Convert to a padded binary number
- $network = wfBaseConvert( $ipint, 10, 2, 128 );
- # Truncate the last (128-$bits) bits and replace them with zeros
- $network = str_pad( substr( $network, 0, $bits ), 128, 0, STR_PAD_RIGHT );
- # Convert back to an integer
- $network = wfBaseConvert( $network, 2, 10 );
- # Reform octet address
- $newip = IP::toOctet( $network );
- $range = "$newip/{$parts[1]}";
- } // IPv4
- elseif ( IP::isIPv4( $range ) && $parts[1] >= 16 && $parts[1] <= 32 ) {
- $shift = 32 - $parts[1];
- $ipint = IP::toUnsigned( $parts[0] );
- $ipint = $ipint >> $shift << $shift;
- $newip = long2ip( $ipint );
- $range = "$newip/{$parts[1]}";
- }
- }
-
- return $range;
+ return IP::sanitizeRange( $range );
}
/**
@@ -849,25 +932,12 @@ class Block {
/**
* Get a value to insert into expiry field of the database when infinite expiry
- * is desired. In principle this could be DBMS-dependant, but currently all
- * supported DBMS's support the string "infinity", so we just use that.
- *
+ * is desired
+ * @deprecated since 1.18, call $dbr->getInfinity() directly
* @return String
*/
public static function infinity() {
- # This is a special keyword for timestamps in PostgreSQL, and
- # works with CHAR(14) as well because "i" sorts after all numbers.
-
- # BEGIN DatabaseMssql hack
- # Since MSSQL doesn't recognize the infinity keyword, set date manually.
- # TO-DO: Refactor for better DB portability and remove magic date
- $dbr = wfGetDB( DB_SLAVE );
- if ( $dbr->getType() == 'mssql' ) {
- return '3000-01-31 00:00:00.000';
- }
- # End DatabaseMssql hack
-
- return 'infinity';
+ return wfGetDB( DB_SLAVE )->getInfinity();
}
/**
@@ -875,8 +945,10 @@ class Block {
*
* @param $encoded_expiry String: Database encoded expiry time
* @return Html-escaped String
+ * @deprecated since 1.18; use $wgLang->formatExpiry() instead
*/
public static function formatExpiry( $encoded_expiry ) {
+ global $wgContLang;
static $msg = null;
if ( is_null( $msg ) ) {
@@ -888,8 +960,8 @@ class Block {
}
}
- $expiry = Block::decodeExpiry( $encoded_expiry );
- if ( $expiry == 'infinity' ) {
+ $expiry = $wgContLang->formatExpiry( $encoded_expiry, TS_MW );
+ if ( $expiry == wfGetDB( DB_SLAVE )->getInfinity() ) {
$expirystr = $msg['infiniteblock'];
} else {
global $wgLang;
@@ -902,21 +974,179 @@ class Block {
}
/**
- * Convert a typed-in expiry time into something we can put into the database.
- * @param $expiry_input String: whatever was typed into the form
- * @return String: more database friendly
+ * Convert a submitted expiry time, which may be relative ("2 weeks", etc) or absolute
+ * ("24 May 2034"), into an absolute timestamp we can put into the database.
+ * @param $expiry String: whatever was typed into the form
+ * @return String: timestamp or "infinity" string for th DB implementation
+ * @deprecated since 1.18 moved to SpecialBlock::parseExpiryInput()
*/
- public static function parseExpiryInput( $expiry_input ) {
- if ( $expiry_input == 'infinite' || $expiry_input == 'indefinite' ) {
- $expiry = 'infinity';
+ public static function parseExpiryInput( $expiry ) {
+ wfDeprecated( __METHOD__ );
+ return SpecialBlock::parseExpiryInput( $expiry );
+ }
+
+ /**
+ * Given a target and the target's type, get an existing Block object if possible.
+ * @param $specificTarget String|User|Int a block target, which may be one of several types:
+ * * A user to block, in which case $target will be a User
+ * * An IP to block, in which case $target will be a User generated by using
+ * User::newFromName( $ip, false ) to turn off name validation
+ * * An IP range, in which case $target will be a String "123.123.123.123/18" etc
+ * * The ID of an existing block, in the format "#12345" (since pure numbers are valid
+ * usernames
+ * Calling this with a user, IP address or range will not select autoblocks, and will
+ * only select a block where the targets match exactly (so looking for blocks on
+ * 1.2.3.4 will not select 1.2.0.0/16 or even 1.2.3.4/32)
+ * @param $vagueTarget String|User|Int as above, but we will search for *any* block which
+ * affects that target (so for an IP address, get ranges containing that IP; and also
+ * get any relevant autoblocks). Leave empty or blank to skip IP-based lookups.
+ * @param $fromMaster Bool whether to use the DB_MASTER database
+ * @return Block|null (null if no relevant block could be found). The target and type
+ * of the returned Block will refer to the actual block which was found, which might
+ * not be the same as the target you gave if you used $vagueTarget!
+ */
+ public static function newFromTarget( $specificTarget, $vagueTarget = null, $fromMaster = false ) {
+
+ list( $target, $type ) = self::parseTarget( $specificTarget );
+ if( $type == Block::TYPE_ID || $type == Block::TYPE_AUTO ){
+ return Block::newFromID( $target );
+
+ } elseif( $target === null && $vagueTarget == '' ){
+ # We're not going to find anything useful here
+ # Be aware that the == '' check is explicit, since empty values will be
+ # passed by some callers (bug 29116)
+ return null;
+
+ } elseif( in_array( $type, array( Block::TYPE_USER, Block::TYPE_IP, Block::TYPE_RANGE, null ) ) ) {
+ $block = new Block();
+ $block->fromMaster( $fromMaster );
+
+ if( $type !== null ){
+ $block->setTarget( $target );
+ }
+
+ if( $block->newLoad( $vagueTarget ) ){
+ return $block;
+ } else {
+ return null;
+ }
} else {
- $expiry = strtotime( $expiry_input );
+ return null;
+ }
+ }
- if ( $expiry < 0 || $expiry === false ) {
- return false;
+ /**
+ * From an existing Block, get the target and the type of target. Note that it is
+ * always safe to treat the target as a string; for User objects this will return
+ * User::__toString() which in turn gives User::getName().
+ *
+ * @param $target String|Int|User
+ * @return array( User|String, Block::TYPE_ constant )
+ */
+ public static function parseTarget( $target ) {
+ $target = trim( $target );
+
+ # We may have been through this before
+ if( $target instanceof User ){
+ if( IP::isValid( $target->getName() ) ){
+ return array( $target, self::TYPE_IP );
+ } else {
+ return array( $target, self::TYPE_USER );
}
+ } elseif( $target === null ){
+ return array( null, null );
+ }
+
+ if ( IP::isValid( $target ) ) {
+ # We can still create a User if it's an IP address, but we need to turn
+ # off validation checking (which would exclude IP addresses)
+ return array(
+ User::newFromName( IP::sanitizeIP( $target ), false ),
+ Block::TYPE_IP
+ );
+
+ } elseif ( IP::isValidBlock( $target ) ) {
+ # Can't create a User from an IP range
+ return array( IP::sanitizeRange( $target ), Block::TYPE_RANGE );
}
- return $expiry;
+ # Consider the possibility that this is not a username at all
+ # but actually an old subpage (bug #29797)
+ if( strpos( $target, '/' ) !== false ){
+ # An old subpage, drill down to the user behind it
+ $parts = explode( '/', $target );
+ $target = $parts[0];
+ }
+
+ $userObj = User::newFromName( $target );
+ if ( $userObj instanceof User ) {
+ # Note that since numbers are valid usernames, a $target of "12345" will be
+ # considered a User. If you want to pass a block ID, prepend a hash "#12345",
+ # since hash characters are not valid in usernames or titles generally.
+ return array( $userObj, Block::TYPE_USER );
+
+ } elseif ( preg_match( '/^#\d+$/', $target ) ) {
+ # Autoblock reference in the form "#12345"
+ return array( substr( $target, 1 ), Block::TYPE_AUTO );
+
+ } else {
+ # WTF?
+ return array( null, null );
+ }
+ }
+
+ /**
+ * Get the type of target for this particular block
+ * @return Block::TYPE_ constant, will never be TYPE_ID
+ */
+ public function getType() {
+ return $this->mAuto
+ ? self::TYPE_AUTO
+ : $this->type;
+ }
+
+ /**
+ * Get the target and target type for this particular Block. Note that for autoblocks,
+ * this returns the unredacted name; frontend functions need to call $block->getRedactedName()
+ * in this situation.
+ * @return array( User|String, Block::TYPE_ constant )
+ * @todo FIXME: This should be an integral part of the Block member variables
+ */
+ public function getTargetAndType() {
+ return array( $this->getTarget(), $this->getType() );
+ }
+
+ /**
+ * Get the target for this particular Block. Note that for autoblocks,
+ * this returns the unredacted name; frontend functions need to call $block->getRedactedName()
+ * in this situation.
+ * @return User|String
+ */
+ public function getTarget() {
+ return $this->target;
+ }
+
+ /**
+ * Set the target for this block, and update $this->type accordingly
+ * @param $target Mixed
+ */
+ public function setTarget( $target ){
+ list( $this->target, $this->type ) = self::parseTarget( $target );
+ }
+
+ /**
+ * Get the user who implemented this block
+ * @return User
+ */
+ public function getBlocker(){
+ return $this->blocker;
+ }
+
+ /**
+ * Set the user who implemented (or will implement) this block
+ * @param $user User
+ */
+ public function setBlocker( User $user ){
+ $this->blocker = $user;
}
}