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-rw-r--r--www/wiki/extensions/AbuseFilter/includes/Views/AbuseFilterViewDiff.php387
1 files changed, 387 insertions, 0 deletions
diff --git a/www/wiki/extensions/AbuseFilter/includes/Views/AbuseFilterViewDiff.php b/www/wiki/extensions/AbuseFilter/includes/Views/AbuseFilterViewDiff.php
new file mode 100644
index 00000000..4a3b1881
--- /dev/null
+++ b/www/wiki/extensions/AbuseFilter/includes/Views/AbuseFilterViewDiff.php
@@ -0,0 +1,387 @@
+<?php
+
+class AbuseFilterViewDiff extends AbuseFilterView {
+ public $mOldVersion = null;
+ public $mNewVersion = null;
+ public $mNextHistoryId = null;
+ public $mFilter = null;
+
+ function show() {
+ $show = $this->loadData();
+ $out = $this->getOutput();
+
+ $links = [];
+ if ( $this->mFilter ) {
+ $links['abusefilter-history-backedit'] = $this->getTitle( $this->mFilter );
+ $links['abusefilter-diff-backhistory'] = $this->getTitle( 'history/' . $this->mFilter );
+ }
+
+ foreach ( $links as $msg => $title ) {
+ $links[$msg] = $this->linkRenderer->makeLink( $title, $this->msg( $msg )->text() );
+ }
+
+ $backlinks = $this->getLanguage()->pipeList( $links );
+ $out->addHTML( Xml::tags( 'p', null, $backlinks ) );
+
+ if ( $show ) {
+ $out->addHTML( $this->formatDiff() );
+
+ // Next and previous change links
+ $links = [];
+ if ( AbuseFilter::getFirstFilterChange( $this->mFilter ) !=
+ $this->mOldVersion['meta']['history_id']
+ ) {
+ // Create a "previous change" link if this isn't the first change of the given filter
+ $links[] = $this->linkRenderer->makeLink(
+ $this->getTitle(
+ 'history/' . $this->mFilter . '/diff/prev/' . $this->mOldVersion['meta']['history_id']
+ ),
+ $this->getLanguage()->getArrow( 'backwards' ) .
+ ' ' . $this->msg( 'abusefilter-diff-prev' )->text()
+ );
+ }
+
+ if ( !is_null( $this->mNextHistoryId ) ) {
+ // Create a "next change" link if this isn't the last change of the given filter
+ $links[] = $this->linkRenderer->makeLink(
+ $this->getTitle(
+ 'history/' . $this->mFilter . '/diff/prev/' . $this->mNextHistoryId
+ ),
+ $this->msg( 'abusefilter-diff-next' )->text() .
+ ' ' . $this->getLanguage()->getArrow( 'forwards' )
+ );
+ }
+
+ if ( count( $links ) > 0 ) {
+ $backlinks = $this->getLanguage()->pipeList( $links );
+ $out->addHTML( Xml::tags( 'p', null, $backlinks ) );
+ }
+ }
+ }
+
+ function loadData() {
+ $oldSpec = $this->mParams[3];
+ $newSpec = $this->mParams[4];
+ $this->mFilter = $this->mParams[1];
+
+ if ( AbuseFilter::filterHidden( $this->mFilter )
+ && !$this->getUser()->isAllowedAny( 'abusefilter-modify', 'abusefilter-view-private' )
+ ) {
+ $this->getOutput()->addWikiMsg( 'abusefilter-history-error-hidden' );
+ return false;
+ }
+
+ $this->mOldVersion = $this->loadSpec( $oldSpec, $newSpec );
+ $this->mNewVersion = $this->loadSpec( $newSpec, $oldSpec );
+
+ if ( is_null( $this->mOldVersion ) || is_null( $this->mNewVersion ) ) {
+ $this->getOutput()->addWikiMsg( 'abusefilter-diff-invalid' );
+ return false;
+ }
+
+ $this->mNextHistoryId = $this->getNextHistoryId(
+ $this->mNewVersion['meta']['history_id']
+ );
+
+ return true;
+ }
+
+ /**
+ * Get the history ID of the next change
+ *
+ * @param int $historyId History id to find next change of
+ * @return int|null Id of the next change or null if there isn't one
+ */
+ function getNextHistoryId( $historyId ) {
+ $dbr = wfGetDB( DB_REPLICA );
+ $row = $dbr->selectRow(
+ 'abuse_filter_history',
+ 'afh_id',
+ [
+ 'afh_filter' => $this->mFilter,
+ 'afh_id > ' . $dbr->addQuotes( $historyId ),
+ ],
+ __METHOD__,
+ [ 'ORDER BY' => 'afh_timestamp ASC' ]
+ );
+ if ( $row ) {
+ return $row->afh_id;
+ }
+ return null;
+ }
+
+ function loadSpec( $spec, $otherSpec ) {
+ static $dependentSpecs = [ 'prev', 'next' ];
+ static $cache = [];
+
+ if ( isset( $cache[$spec] ) ) {
+ return $cache[$spec];
+ }
+
+ $dbr = wfGetDB( DB_REPLICA );
+ $row = null;
+ if ( is_numeric( $spec ) ) {
+ $row = $dbr->selectRow(
+ 'abuse_filter_history',
+ '*',
+ [ 'afh_id' => $spec, 'afh_filter' => $this->mFilter ],
+ __METHOD__
+ );
+ } elseif ( $spec == 'cur' ) {
+ $row = $dbr->selectRow(
+ 'abuse_filter_history',
+ '*',
+ [ 'afh_filter' => $this->mFilter ],
+ __METHOD__,
+ [ 'ORDER BY' => 'afh_timestamp desc' ]
+ );
+ } elseif ( $spec == 'prev' && !in_array( $otherSpec, $dependentSpecs ) ) {
+ // cached
+ $other = $this->loadSpec( $otherSpec, $spec );
+
+ $row = $dbr->selectRow(
+ 'abuse_filter_history',
+ '*',
+ [
+ 'afh_filter' => $this->mFilter,
+ 'afh_id<' . $dbr->addQuotes( $other['meta']['history_id'] ),
+ ],
+ __METHOD__,
+ [ 'ORDER BY' => 'afh_timestamp desc' ]
+ );
+ if ( $other && !$row ) {
+ $t = $this->getTitle(
+ 'history/' . $this->mFilter . '/item/' . $other['meta']['history_id'] );
+ $this->getOutput()->redirect( $t->getFullURL() );
+ return null;
+ }
+ } elseif ( $spec == 'next' && !in_array( $otherSpec, $dependentSpecs ) ) {
+ // cached
+ $other = $this->loadSpec( $otherSpec, $spec );
+
+ $row = $dbr->selectRow(
+ 'abuse_filter_history',
+ '*',
+ [
+ 'afh_filter' => $this->mFilter,
+ 'afh_id>' . $dbr->addQuotes( $other['meta']['history_id'] ),
+ ],
+ __METHOD__,
+ [ 'ORDER BY' => 'afh_timestamp ASC' ]
+ );
+
+ if ( $other && !$row ) {
+ $t = $this->getTitle(
+ 'history/' . $this->mFilter . '/item/' . $other['meta']['history_id'] );
+ $this->getOutput()->redirect( $t->getFullURL() );
+ return null;
+ }
+ }
+
+ if ( !$row ) {
+ return null;
+ }
+
+ $data = $this->loadFromHistoryRow( $row );
+ $cache[$spec] = $data;
+ return $data;
+ }
+
+ function loadFromHistoryRow( $row ) {
+ return [
+ 'meta' => [
+ 'history_id' => $row->afh_id,
+ 'modified_by' => $row->afh_user,
+ 'modified_by_text' => $row->afh_user_text,
+ 'modified' => $row->afh_timestamp,
+ ],
+ 'info' => [
+ 'description' => $row->afh_public_comments,
+ 'flags' => $row->afh_flags,
+ 'notes' => $row->afh_comments,
+ 'group' => $row->afh_group,
+ ],
+ 'pattern' => $row->afh_pattern,
+ 'actions' => unserialize( $row->afh_actions ),
+ ];
+ }
+
+ /**
+ * @param string $timestamp
+ * @param int $history_id
+ * @return string
+ */
+ function formatVersionLink( $timestamp, $history_id ) {
+ $filter = $this->mFilter;
+ $text = $this->getLanguage()->timeanddate( $timestamp, true );
+ $title = $this->getTitle( "history/$filter/item/$history_id" );
+
+ $link = $this->linkRenderer->makeLink( $title, $text );
+
+ return $link;
+ }
+
+ /**
+ * @return string
+ */
+ function formatDiff() {
+ $oldVersion = $this->mOldVersion;
+ $newVersion = $this->mNewVersion;
+
+ // headings
+ $oldLink = $this->formatVersionLink(
+ $oldVersion['meta']['modified'],
+ $oldVersion['meta']['history_id']
+ );
+ $newLink = $this->formatVersionLink(
+ $newVersion['meta']['modified'],
+ $newVersion['meta']['history_id']
+ );
+
+ $oldUserLink = Linker::userLink(
+ $oldVersion['meta']['modified_by'],
+ $oldVersion['meta']['modified_by_text']
+ );
+ $newUserLink = Linker::userLink(
+ $newVersion['meta']['modified_by'],
+ $newVersion['meta']['modified_by_text']
+ );
+
+ $headings = '';
+ $headings .= Xml::tags( 'th', null,
+ $this->msg( 'abusefilter-diff-item' )->parse() );
+ $headings .= Xml::tags( 'th', null,
+ $this->msg( 'abusefilter-diff-version' )
+ ->rawParams( $oldLink, $oldUserLink )
+ ->params( $newVersion['meta']['modified_by_text'] )
+ ->parse()
+ );
+ $headings .= Xml::tags( 'th', null,
+ $this->msg( 'abusefilter-diff-version' )
+ ->rawParams( $newLink, $newUserLink )
+ ->params( $newVersion['meta']['modified_by_text'] )
+ ->parse()
+ );
+
+ $headings = Xml::tags( 'tr', null, $headings );
+
+ // Basic info
+ $info = '';
+ $info .= $this->getHeaderRow( 'abusefilter-diff-info' );
+ $info .= $this->getDiffRow(
+ 'abusefilter-edit-description',
+ $oldVersion['info']['description'],
+ $newVersion['info']['description']
+ );
+ global $wgAbuseFilterValidGroups;
+ if (
+ count( $wgAbuseFilterValidGroups ) > 1 ||
+ $oldVersion['info']['group'] != $newVersion['info']['group']
+ ) {
+ $info .= $this->getDiffRow(
+ 'abusefilter-edit-group',
+ AbuseFilter::nameGroup( $oldVersion['info']['group'] ),
+ AbuseFilter::nameGroup( $newVersion['info']['group'] )
+ );
+ }
+ $info .= $this->getDiffRow(
+ 'abusefilter-edit-flags',
+ AbuseFilter::formatFlags( $oldVersion['info']['flags'] ),
+ AbuseFilter::formatFlags( $newVersion['info']['flags'] )
+ );
+
+ $info .= $this->getDiffRow(
+ 'abusefilter-edit-notes',
+ $oldVersion['info']['notes'],
+ $newVersion['info']['notes']
+ );
+
+ // Pattern
+ $info .= $this->getHeaderRow( 'abusefilter-diff-pattern' );
+ $info .= $this->getDiffRow(
+ 'abusefilter-edit-rules',
+ $oldVersion['pattern'],
+ $newVersion['pattern'],
+ 'text'
+ );
+
+ // Actions
+ $oldActions = $this->stringifyActions( $oldVersion['actions'] );
+ $newActions = $this->stringifyActions( $newVersion['actions'] );
+
+ $info .= $this->getHeaderRow( 'abusefilter-edit-consequences' );
+ $info .= $this->getDiffRow(
+ 'abusefilter-edit-consequences',
+ $oldActions,
+ $newActions
+ );
+
+ $html = "<table class='wikitable'>
+ <thead>$headings</thead>
+ <tbody>$info</tbody>
+ </table>";
+
+ $html = Xml::tags( 'h2', null, $this->msg( 'abusefilter-diff-title' )->parse() ) . $html;
+
+ return $html;
+ }
+
+ /**
+ * @param array $actions
+ * @return array
+ */
+ function stringifyActions( $actions ) {
+ $lines = [];
+
+ ksort( $actions );
+ foreach ( $actions as $action => $parameters ) {
+ $lines[] = AbuseFilter::formatAction( $action, $parameters );
+ }
+
+ if ( !count( $lines ) ) {
+ $lines[] = '';
+ }
+
+ return $lines;
+ }
+
+ /**
+ * @param string $msg
+ * @return string
+ */
+ function getHeaderRow( $msg ) {
+ $html = $this->msg( $msg )->parse();
+ $html = Xml::tags( 'th', [ 'colspan' => 3 ], $html );
+ $html = Xml::tags( 'tr', [ 'class' => 'mw-abusefilter-diff-header' ], $html );
+
+ return $html;
+ }
+
+ /**
+ * @param string $msg
+ * @param array|string $old
+ * @param array|string $new
+ * @return string
+ */
+ function getDiffRow( $msg, $old, $new ) {
+ if ( !is_array( $old ) ) {
+ $old = explode( "\n", preg_replace( "/\\\r\\\n?/", "\n", $old ) );
+ }
+ if ( !is_array( $new ) ) {
+ $new = explode( "\n", preg_replace( "/\\\r\\\n?/", "\n", $new ) );
+ }
+
+ $diffEngine = new DifferenceEngine( $this->getContext() );
+
+ $diffEngine->showDiffStyle();
+
+ $diff = new Diff( $old, $new );
+ $formatter = new TableDiffFormatterFullContext();
+ $formattedDiff = $diffEngine->addHeader( $formatter->format( $diff ), '', '' );
+
+ return Xml::tags( 'tr', null,
+ Xml::tags( 'th', null, $this->msg( $msg )->parse() ) .
+ Xml::tags( 'td', [ 'colspan' => 2 ], $formattedDiff )
+ ) . "\n";
+ }
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-04-25 11:29:39 +0000