Update to MediaWiki 1.21.1

1 files changed, 153 insertions, 0 deletions

diff --git a/extensions/SpamBlacklist/SpamBlacklist_body.php b/extensions/SpamBlacklist/SpamBlacklist_body.php
new file mode 100644
index 00000000..7279e20b
--- /dev/null
+++ b/extensions/SpamBlacklist/SpamBlacklist_body.php
@@ -0,0 +1,153 @@
+<?php
+
+if ( !defined( 'MEDIAWIKI' ) ) {
+	exit;
+}
+
+class SpamBlacklist extends BaseBlacklist {
+	var $files = array( "http://meta.wikimedia.org/w/index.php?title=Spam_blacklist&action=raw&sb_ver=1" );
+	var $ignoreEditSummary = false;
+
+	/**
+	 * Returns the code for the blacklist implementation
+	 *
+	 * @return string
+	 */
+	protected function getBlacklistType() {
+		return 'spam';
+	}
+
+	/**
+	 * @param Title $title
+	 * @param string $text Text of section, or entire text if $editPage!=false
+	 * @param string $section Section number or name
+	 * @param string $editsummary Edit summary if one exists, some people use urls there too
+	 * @param EditPage $editPage EditPage if EditFilterMerged was called, null otherwise
+	 * @return Array Matched text(s) if the edit should not be allowed, false otherwise
+	 */
+	function filter( &$title, $text, $section, $editsummary = '', EditPage &$editPage = null ) {
+		/**
+		 * @var $wgParser Parser
+		 */
+		global $wgParser, $wgUser;
+
+		$fname = 'wfSpamBlacklistFilter';
+		wfProfileIn( $fname );
+
+		# These don't do anything, commenting out...
+		#$this->title = $title;
+		#$this->text = $text;
+		#$this->section = $section;
+		$text = str_replace( '．', '.', $text ); //@bug 12896
+
+		$blacklists = $this->getBlacklists();
+		$whitelists = $this->getWhitelists();
+
+		if ( count( $blacklists ) ) {
+			# Run parser to strip SGML comments and such out of the markup
+			# This was being used to circumvent the filter (see bug 5185)
+			if ( $editPage ) {
+				$editInfo = $editPage->mArticle->prepareTextForEdit( $text );
+				$out = $editInfo->output;
+			} else {
+				$options = new ParserOptions();
+				$text = $wgParser->preSaveTransform( $text, $title, $wgUser, $options );
+				$out = $wgParser->parse( $text, $title, $options );
+			}
+			$newLinks = array_keys( $out->getExternalLinks() );
+			$oldLinks = $this->getCurrentLinks( $title );
+			$addedLinks = array_diff( $newLinks, $oldLinks );
+
+			// We add the edit summary if one exists
+			if ( !$this->ignoreEditSummary && !empty( $editsummary ) ) {
+				$addedLinks[] = $editsummary;
+			}
+
+			wfDebugLog( 'SpamBlacklist', "Old URLs: " . implode( ', ', $oldLinks ) );
+			wfDebugLog( 'SpamBlacklist', "New URLs: " . implode( ', ', $newLinks ) );
+			wfDebugLog( 'SpamBlacklist', "Added URLs: " . implode( ', ', $addedLinks ) );
+
+			$links = implode( "\n", $addedLinks );
+
+			# Strip whitelisted URLs from the match
+			if( is_array( $whitelists ) ) {
+				wfDebugLog( 'SpamBlacklist', "Excluding whitelisted URLs from " . count( $whitelists ) .
+					" regexes: " . implode( ', ', $whitelists ) . "\n" );
+				foreach( $whitelists as $regex ) {
+					wfSuppressWarnings();
+					$newLinks = preg_replace( $regex, '', $links );
+					wfRestoreWarnings();
+					if( is_string( $newLinks ) ) {
+						// If there wasn't a regex error, strip the matching URLs
+						$links = $newLinks;
+					}
+				}
+			}
+
+			# Do the match
+			wfDebugLog( 'SpamBlacklist', "Checking text against " . count( $blacklists ) .
+				" regexes: " . implode( ', ', $blacklists ) . "\n" );
+			$retVal = false;
+			foreach( $blacklists as $regex ) {
+				wfSuppressWarnings();
+				$matches = array();
+				$check = ( preg_match_all( $regex, $links, $matches ) > 0 );
+				wfRestoreWarnings();
+				if( $check ) {
+					wfDebugLog( 'SpamBlacklist', "Match!\n" );
+					global $wgRequest;
+					$ip = $wgRequest->getIP();
+					$imploded = implode( ' ', $matches[0] );
+					wfDebugLog( 'SpamBlacklistHit', "$ip caught submitting spam: $imploded\n" );
+					if( $retVal === false ){
+						$retVal = array();
+					}
+					$retVal = array_merge( $retVal, $matches[0] );
+				}
+			}
+		} else {
+			$retVal = false;
+		}
+		wfProfileOut( $fname );
+		return $retVal;
+	}
+
+	/**
+	 * Look up the links currently in the article, so we can
+	 * ignore them on a second run.
+	 *
+	 * WARNING: I can add more *of the same link* with no problem here.
+	 * @param $title Title
+	 * @return array
+	 */
+	function getCurrentLinks( $title ) {
+		$dbr = wfGetDB( DB_SLAVE );
+		$id = $title->getArticleID(); // should be zero queries
+		$res = $dbr->select( 'externallinks', array( 'el_to' ),
+			array( 'el_from' => $id ), __METHOD__ );
+		$links = array();
+		foreach ( $res as $row ) {
+			$links[] = $row->el_to;
+		}
+		return $links;
+	}
+
+	/**
+	 * Returns the start of the regex for matches
+	 *
+	 * @return string
+	 */
+	public function getRegexStart() {
+		return '/(?:https?:)?\/\/+[a-z0-9_\-.]*(';
+	}
+
+	/**
+	 * Returns the end of the regex for matches
+	 *
+	 * @param $batchSize
+	 * @return string
+	 */
+	public function getRegexEnd( $batchSize ) {
+		return ')' . parent::getRegexEnd( $batchSize );
+	}
+}