1 files changed, 136 insertions, 0 deletions
diff --git a/www/wiki/extensions/ReplaceText/src/ReplaceTextJob.php b/www/wiki/extensions/ReplaceText/src/ReplaceTextJob.php
new file mode 100644
index 00000000..281fdb04
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+++ b/www/wiki/extensions/ReplaceText/src/ReplaceTextJob.php
@@ -0,0 +1,136 @@
+<?php
+/**
+ * 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
+ * @author Yaron Koren
+ * @author Ankit Garg
+ */
+
+use Wikimedia\ScopedCallback;
+
+/**
+ * Background job to replace text in a given page
+ * - based on /includes/RefreshLinksJob.php
+ */
+class ReplaceTextJob extends Job {
+	/**
+	 * Constructor.
+	 * @param Title $title
+	 * @param array|bool $params Cannot be === true
+	 */
+	function __construct( $title, $params = '' ) {
+		parent::__construct( 'replaceText', $title, $params );
+	}
+
+	/**
+	 * Run a replaceText job
+	 * @return bool success
+	 */
+	function run() {
+		if ( isset( $this->params['session'] ) ) {
+			$callback = RequestContext::importScopedSession( $this->params['session'] );
+			$this->addTeardownCallback( function () use ( &$callback ) {
+				ScopedCallback::consume( $callback );
+			} );
+		}
+
+		if ( is_null( $this->title ) ) {
+			$this->error = "replaceText: Invalid title";
+			return false;
+		}
+
+		if ( array_key_exists( 'move_page', $this->params ) ) {
+			global $wgUser;
+			$actual_user = $wgUser;
+			$wgUser = User::newFromId( $this->params['user_id'] );
+			$cur_page_name = $this->title->getText();
+			if ( $this->params['use_regex'] ) {
+				$new_page_name = preg_replace(
+					"/" . $this->params['target_str'] . "/Uu", $this->params['replacement_str'], $cur_page_name
+				);
+			} else {
+				$new_page_name =
+					str_replace( $this->params['target_str'], $this->params['replacement_str'], $cur_page_name );
+			}
+
+			$new_title = Title::newFromText( $new_page_name, $this->title->getNamespace() );
+			$reason = $this->params['edit_summary'];
+			$create_redirect = $this->params['create_redirect'];
+			$this->title->moveTo( $new_title, true, $reason, $create_redirect );
+			if ( $this->params['watch_page'] ) {
+				WatchAction::doWatch( $new_title, $wgUser );
+			}
+			$wgUser = $actual_user;
+		} else {
+			if ( $this->title->getContentModel() !== CONTENT_MODEL_WIKITEXT ) {
+				$this->error = 'replaceText: Wiki page "' .
+					$this->title->getPrefixedDBkey() . '" does not hold regular wikitext.';
+				return false;
+			}
+			$wikiPage = new WikiPage( $this->title );
+			// Is this check necessary?
+			if ( !$wikiPage ) {
+				$this->error =
+					'replaceText: Wiki page not found for "' . $this->title->getPrefixedDBkey() . '."';
+				return false;
+			}
+			$wikiPageContent = $wikiPage->getContent();
+			if ( is_null( $wikiPageContent ) ) {
+				$this->error =
+					'replaceText: No contents found for wiki page at "' . $this->title->getPrefixedDBkey() . '."';
+				return false;
+			}
+			$article_text = $wikiPageContent->getNativeData();
+
+			$target_str = $this->params['target_str'];
+			$replacement_str = $this->params['replacement_str'];
+			$num_matches = 0;
+
+			if ( $this->params['use_regex'] ) {
+				$new_text =
+					preg_replace( '/' . $target_str . '/Uu', $replacement_str, $article_text, -1, $num_matches );
+			} else {
+				$new_text = str_replace( $target_str, $replacement_str, $article_text, $num_matches );
+			}
+
+			// If there's at least one replacement, modify the page,
+			// using the passed-in edit summary.
+			if ( $num_matches > 0 ) {
+				// Change global $wgUser variable to the one
+				// specified by the job only for the extent of
+				// this replacement.
+				global $wgUser;
+				$actual_user = $wgUser;
+				$wgUser = User::newFromId( $this->params['user_id'] );
+				$edit_summary = $this->params['edit_summary'];
+				$flags = EDIT_MINOR;
+				if ( $wgUser->isAllowed( 'bot' ) ) {
+					$flags |= EDIT_FORCE_BOT;
+				}
+				if ( isset( $this->params['doAnnounce'] ) &&
+					 !$this->params['doAnnounce'] ) {
+					$flags |= EDIT_SUPPRESS_RC;
+					# fixme log this action
+				}
+				$new_content = new WikitextContent( $new_text );
+				$wikiPage->doEditContent( $new_content, $edit_summary, $flags );
+				$wgUser = $actual_user;
+			}
+		}
+		return true;
+	}
+}