1 files changed, 66 insertions, 0 deletions
diff --git a/platform/www/inc/Action/Sitemap.php b/platform/www/inc/Action/Sitemap.php
new file mode 100644
index 0000000..370bcf0
--- /dev/null
+++ b/platform/www/inc/Action/Sitemap.php
@@ -0,0 +1,66 @@
+<?php
+
+namespace dokuwiki\Action;
+
+use dokuwiki\Action\Exception\FatalException;
+use dokuwiki\Sitemap\Mapper;
+
+/**
+ * Class Sitemap
+ *
+ * Generate an XML sitemap for search engines. Do not confuse with Index
+ *
+ * @package dokuwiki\Action
+ */
+class Sitemap extends AbstractAction {
+
+    /** @inheritdoc */
+    public function minimumPermission() {
+        return AUTH_NONE;
+    }
+
+    /**
+     * Handle sitemap delivery
+     *
+     * @author Michael Hamann <michael@content-space.de>
+     * @throws FatalException
+     * @inheritdoc
+     */
+    public function preProcess() {
+        global $conf;
+
+        if($conf['sitemap'] < 1 || !is_numeric($conf['sitemap'])) {
+            throw new FatalException('Sitemap generation is disabled', 404);
+        }
+
+        $sitemap = Mapper::getFilePath();
+        if(Mapper::sitemapIsCompressed()) {
+            $mime = 'application/x-gzip';
+        } else {
+            $mime = 'application/xml; charset=utf-8';
+        }
+
+        // Check if sitemap file exists, otherwise create it
+        if(!is_readable($sitemap)) {
+            Mapper::generate();
+        }
+
+        if(is_readable($sitemap)) {
+            // Send headers
+            header('Content-Type: ' . $mime);
+            header('Content-Disposition: attachment; filename=' . \dokuwiki\Utf8\PhpString::basename($sitemap));
+
+            http_conditionalRequest(filemtime($sitemap));
+
+            // Send file
+            //use x-sendfile header to pass the delivery to compatible webservers
+            http_sendfile($sitemap);
+
+            readfile($sitemap);
+            exit;
+        }
+
+        throw new FatalException('Could not read the sitemap file - bad permissions?');
+    }
+
+}