API: Add license info to API help output
[lhc/web/wiklou.git] / includes / Block.php
index 8e52bf0..873a26d 100644 (file)
@@ -113,7 +113,7 @@ class Block {
                        $this->forcedTargetID = $user; // needed for foreign users
                }
                if ( $by ) { // local user
-                       $this->setBlocker( User::newFromID( $by ) );
+                       $this->setBlocker( User::newFromId( $by ) );
                } else { // foreign user
                        $this->setBlocker( $byText );
                }
@@ -366,7 +366,7 @@ class Block {
        protected function initFromRow( $row ) {
                $this->setTarget( $row->ipb_address );
                if ( $row->ipb_by ) { // local user
-                       $this->setBlocker( User::newFromID( $row->ipb_by ) );
+                       $this->setBlocker( User::newFromId( $row->ipb_by ) );
                } else { // foreign user
                        $this->setBlocker( $row->ipb_by_text );
                }
@@ -442,19 +442,33 @@ class Block {
                        $dbw = wfGetDB( DB_MASTER );
                }
 
-               # Don't collide with expired blocks
-               Block::purgeExpired();
+               # Periodic purge via commit hooks
+               if ( mt_rand( 0, 9 ) == 0 ) {
+                       Block::purgeExpired();
+               }
 
                $row = $this->getDatabaseArray();
                $row['ipb_id'] = $dbw->nextSequenceValue( "ipblocks_ipb_id_seq" );
 
-               $dbw->insert(
-                       'ipblocks',
-                       $row,
-                       __METHOD__,
-                       array( 'IGNORE' )
-               );
+               $dbw->insert( 'ipblocks', $row, __METHOD__, array( 'IGNORE' ) );
                $affected = $dbw->affectedRows();
+
+               # Don't collide with expired blocks.
+               # Do this after trying to insert to avoid pointless gap locks.
+               if ( !$affected ) {
+                       $dbw->delete( 'ipblocks',
+                               array(
+                                       'ipb_address' => $row['ipb_address'],
+                                       'ipb_user' => $row['ipb_user'],
+                                       'ipb_expiry < ' . $dbw->addQuotes( $dbw->timestamp() )
+                               ),
+                               __METHOD__
+                       );
+
+                       $dbw->insert( 'ipblocks', $row, __METHOD__, array( 'IGNORE' ) );
+                       $affected = $dbw->affectedRows();
+               }
+
                $this->mId = $dbw->insertId();
 
                if ( $affected ) {
@@ -580,7 +594,7 @@ class Block {
                if ( $this->isAutoblocking() && $this->getType() == self::TYPE_USER ) {
                        wfDebug( "Doing retroactive autoblocks for " . $this->getTarget() . "\n" );
 
-                       $continue = wfRunHooks(
+                       $continue = Hooks::run(
                                'PerformRetroactiveAutoblock', array( $this, &$blockIds ) );
 
                        if ( $continue ) {
@@ -693,7 +707,7 @@ class Block {
                }
 
                # Allow hooks to cancel the autoblock.
-               if ( !wfRunHooks( 'AbortAutoblock', array( $autoblockIP, &$this ) ) ) {
+               if ( !Hooks::run( 'AbortAutoblock', array( $autoblockIP, &$this ) ) ) {
                        wfDebug( "Autoblock aborted by hook.\n" );
                        return false;
                }
@@ -752,7 +766,6 @@ class Block {
         * @return bool
         */
        public function deleteIfExpired() {
-               wfProfileIn( __METHOD__ );
 
                if ( $this->isExpired() ) {
                        wfDebug( "Block::deleteIfExpired() -- deleting\n" );
@@ -763,7 +776,6 @@ class Block {
                        $retVal = false;
                }
 
-               wfProfileOut( __METHOD__ );
                return $retVal;
        }
 
@@ -893,7 +905,7 @@ class Block {
        }
 
        /**
-        * Get/set whether the Block is a hardblock (affects logged-in users on a given IP/range
+        * Get/set whether the Block is a hardblock (affects logged-in users on a given IP/range)
         * @param bool|null $x
         * @return bool
         */
@@ -1055,7 +1067,6 @@ class Block {
                        return array();
                }
 
-               wfProfileIn( __METHOD__ );
                $conds = array();
                foreach ( array_unique( $ipChain ) as $ipaddr ) {
                        # Discard invalid IP addresses. Since XFF can be spoofed and we do not
@@ -1077,7 +1088,6 @@ class Block {
                }
 
                if ( !count( $conds ) ) {
-                       wfProfileOut( __METHOD__ );
                        return array();
                }
 
@@ -1108,12 +1118,12 @@ class Block {
                        }
                }
 
-               wfProfileOut( __METHOD__ );
                return $blocks;
        }
 
        /**
         * From a list of multiple blocks, find the most exact and strongest Block.
+        *
         * The logic for finding the "best" block is:
         *  - Blocks that match the block's target IP are preferred over ones in a range
         *  - Hardblocks are chosen over softblocks that prevent account creation
@@ -1121,8 +1131,10 @@ class Block {
         *  - Other softblocks are chosen over autoblocks
         *  - If there are multiple exact or range blocks at the same level, the one chosen
         *    is random
+        * This should be used when $blocks where retrieved from the user's IP address
+        * and $ipChain is populated from the same IP address information.
         *
-        * @param array $blocks Array of blocks
+        * @param array $blocks Array of Block objects
         * @param array $ipChain List of IPs (strings). This is used to determine how "close"
         *        a block is to the server, and if a block matches exactly, or is in a range.
         *        The order is furthest from the server to nearest e.g., (Browser, proxy1, proxy2,
@@ -1137,8 +1149,6 @@ class Block {
                        return $blocks[0];
                }
 
-               wfProfileIn( __METHOD__ );
-
                // Sort hard blocks before soft ones and secondarily sort blocks
                // that disable account creation before those that don't.
                usort( $blocks, function ( Block $a, Block $b ) {
@@ -1219,11 +1229,9 @@ class Block {
                } elseif ( $blocksList['auto'] ) {
                        $chosenBlock = $blocksList['auto'];
                } else {
-                       wfProfileOut( __METHOD__ );
                        throw new MWException( "Proxy block found, but couldn't be classified." );
                }
 
-               wfProfileOut( __METHOD__ );
                return $chosenBlock;
        }