1 files changed, 124 insertions, 0 deletions
diff --git a/www/wiki/includes/WikiReference.php b/www/wiki/includes/WikiReference.php
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+++ b/www/wiki/includes/WikiReference.php
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+<?php
+/**
+ * Tools for dealing with other locally-hosted wikis.
+ *
+ * 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
+ */
+
+/**
+ * Reference to a locally-hosted wiki
+ */
+class WikiReference {
+	private $mCanonicalServer; ///< canonical server URL, e.g. 'https://www.mediawiki.org'
+	private $mServer; ///< server URL, may be protocol-relative, e.g. '//www.mediawiki.org'
+	private $mPath; ///< path, '/wiki/$1'
+
+	/**
+	 * @param string $canonicalServer
+	 * @param string $path
+	 * @param null|string $server
+	 */
+	public function __construct( $canonicalServer, $path, $server = null ) {
+		$this->mCanonicalServer = $canonicalServer;
+		$this->mPath = $path;
+		$this->mServer = $server === null ? $canonicalServer : $server;
+	}
+
+	/**
+	 * Get the URL in a way to be displayed to the user
+	 * More or less Wikimedia specific
+	 *
+	 * @return string
+	 */
+	public function getDisplayName() {
+		$parsed = wfParseUrl( $this->mCanonicalServer );
+		if ( $parsed ) {
+			return $parsed['host'];
+		} else {
+			// Invalid server spec.
+			// There's no sane thing to do here, so just return the canonical server name in full.
+			return $this->mCanonicalServer;
+		}
+	}
+
+	/**
+	 * Helper function for getUrl()
+	 *
+	 * @todo FIXME: This may be generalized...
+	 *
+	 * @param string $page Page name (must be normalised before calling this function!
+	 *  May contain a section part.)
+	 * @param string|null $fragmentId
+	 *
+	 * @return string relative URL, without the server part.
+	 */
+	private function getLocalUrl( $page, $fragmentId = null ) {
+		$page = wfUrlencode( str_replace( ' ', '_', $page ) );
+
+		if ( is_string( $fragmentId ) && $fragmentId !== '' ) {
+			$page .= '#' . wfUrlencode( $fragmentId );
+		}
+
+		return str_replace( '$1', $page, $this->mPath );
+	}
+
+	/**
+	 * Get a canonical (i.e. based on $wgCanonicalServer) URL to a page on this foreign wiki
+	 *
+	 * @param string $page Page name (must be normalised before calling this function!)
+	 * @param string|null $fragmentId
+	 *
+	 * @return string Url
+	 */
+	public function getCanonicalUrl( $page, $fragmentId = null ) {
+		return $this->mCanonicalServer . $this->getLocalUrl( $page, $fragmentId );
+	}
+
+	/**
+	 * Get a canonical server URL
+	 * @return string
+	 */
+	public function getCanonicalServer() {
+		return $this->mCanonicalServer;
+	}
+
+	/**
+	 * Alias for getCanonicalUrl(), for backwards compatibility.
+	 * @param string $page
+	 * @param string|null $fragmentId
+	 *
+	 * @return string
+	 */
+	public function getUrl( $page, $fragmentId = null ) {
+		return $this->getCanonicalUrl( $page, $fragmentId );
+	}
+
+	/**
+	 * Get a URL based on $wgServer, like Title::getFullURL() would produce
+	 * when called locally on the wiki.
+	 *
+	 * @param string $page Page name (must be normalized before calling this function!)
+	 * @param string|null $fragmentId
+	 *
+	 * @return string URL
+	 */
+	public function getFullUrl( $page, $fragmentId = null ) {
+		return $this->mServer .
+			$this->getLocalUrl( $page, $fragmentId );
+	}
+}