From 0ae8cbf5c0b1a198b963490985b7738392ebcb97 Mon Sep 17 00:00:00 2001
From: ahriman <ahriman@falte.red>
Date: Mon, 3 Dec 2018 19:22:25 -0500
Subject: installed dokuwiki, added to navbar, updated news

---
 wiki/lib/exe/indexer.php | 209 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 209 insertions(+)
 create mode 100644 wiki/lib/exe/indexer.php

(limited to 'wiki/lib/exe/indexer.php')

diff --git a/wiki/lib/exe/indexer.php b/wiki/lib/exe/indexer.php
new file mode 100644
index 0000000..4f60f16
--- /dev/null
+++ b/wiki/lib/exe/indexer.php
@@ -0,0 +1,209 @@
+<?php
+/**
+ * DokuWiki indexer
+ *
+ * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
+ * @author     Andreas Gohr <andi@splitbrain.org>
+ */
+if(!defined('DOKU_INC')) define('DOKU_INC',dirname(__FILE__).'/../../');
+define('DOKU_DISABLE_GZIP_OUTPUT',1);
+require_once(DOKU_INC.'inc/init.php');
+session_write_close();  //close session
+if(!defined('NL')) define('NL',"\n");
+
+// keep running after browser closes connection
+@ignore_user_abort(true);
+
+// check if user abort worked, if yes send output early
+$defer = !@ignore_user_abort() || $conf['broken_iua'];
+$output = $INPUT->has('debug') && $conf['allowdebug'];
+if(!$defer && !$output){
+    sendGIF(); // send gif
+}
+
+$ID = cleanID($INPUT->str('id'));
+
+// Catch any possible output (e.g. errors)
+if(!$output) ob_start();
+else header('Content-Type: text/plain');
+
+// run one of the jobs
+$tmp = array(); // No event data
+$evt = new Doku_Event('INDEXER_TASKS_RUN', $tmp);
+if ($evt->advise_before()) {
+    runIndexer() or
+    runSitemapper() or
+    sendDigest() or
+    runTrimRecentChanges() or
+    runTrimRecentChanges(true) or
+    $evt->advise_after();
+}
+
+if(!$output) {
+    ob_end_clean();
+    if($defer) sendGIF();
+}
+
+exit;
+
+// --------------------------------------------------------------------
+
+/**
+ * Trims the recent changes cache (or imports the old changelog) as needed.
+ *
+ * @param bool $media_changes If the media changelog shall be trimmed instead of
+ *                              the page changelog
+ * @return bool
+ *
+ * @author Ben Coburn <btcoburn@silicodon.net>
+ */
+function runTrimRecentChanges($media_changes = false) {
+    global $conf;
+
+    echo "runTrimRecentChanges($media_changes): started".NL;
+
+    $fn = ($media_changes ? $conf['media_changelog'] : $conf['changelog']);
+
+    // Trim the Recent Changes
+    // Trims the recent changes cache to the last $conf['changes_days'] recent
+    // changes or $conf['recent'] items, which ever is larger.
+    // The trimming is only done once a day.
+    if (file_exists($fn) &&
+        (@filemtime($fn.'.trimmed')+86400)<time() &&
+        !file_exists($fn.'_tmp')) {
+            @touch($fn.'.trimmed');
+            io_lock($fn);
+            $lines = file($fn);
+            if (count($lines)<=$conf['recent']) {
+                // nothing to trim
+                io_unlock($fn);
+                echo "runTrimRecentChanges($media_changes): finished".NL;
+                return false;
+            }
+
+            io_saveFile($fn.'_tmp', '');          // presave tmp as 2nd lock
+            $trim_time = time() - $conf['recent_days']*86400;
+            $out_lines = array();
+            $old_lines = array();
+            for ($i=0; $i<count($lines); $i++) {
+                $log = parseChangelogLine($lines[$i]);
+                if ($log === false) continue;                      // discard junk
+                if ($log['date'] < $trim_time) {
+                    $old_lines[$log['date'].".$i"] = $lines[$i];     // keep old lines for now (append .$i to prevent key collisions)
+                } else {
+                    $out_lines[$log['date'].".$i"] = $lines[$i];     // definitely keep these lines
+                }
+            }
+
+            if (count($lines)==count($out_lines)) {
+              // nothing to trim
+              @unlink($fn.'_tmp');
+              io_unlock($fn);
+              echo "runTrimRecentChanges($media_changes): finished".NL;
+              return false;
+            }
+
+            // sort the final result, it shouldn't be necessary,
+            //   however the extra robustness in making the changelog cache self-correcting is worth it
+            ksort($out_lines);
+            $extra = $conf['recent'] - count($out_lines);        // do we need extra lines do bring us up to minimum
+            if ($extra > 0) {
+              ksort($old_lines);
+              $out_lines = array_merge(array_slice($old_lines,-$extra),$out_lines);
+            }
+
+            // save trimmed changelog
+            io_saveFile($fn.'_tmp', implode('', $out_lines));
+            @unlink($fn);
+            if (!rename($fn.'_tmp', $fn)) {
+                // rename failed so try another way...
+                io_unlock($fn);
+                io_saveFile($fn, implode('', $out_lines));
+                @unlink($fn.'_tmp');
+            } else {
+                io_unlock($fn);
+            }
+            echo "runTrimRecentChanges($media_changes): finished".NL;
+            return true;
+    }
+
+    // nothing done
+    echo "runTrimRecentChanges($media_changes): finished".NL;
+    return false;
+}
+
+/**
+ * Runs the indexer for the current page
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function runIndexer(){
+    global $ID;
+    global $conf;
+    print "runIndexer(): started".NL;
+
+    if(!$ID) return false;
+
+    // do the work
+    return idx_addPage($ID, true);
+}
+
+/**
+ * Builds a Google Sitemap of all public pages known to the indexer
+ *
+ * The map is placed in the root directory named sitemap.xml.gz - This
+ * file needs to be writable!
+ *
+ * @author Andreas Gohr
+ * @link   https://www.google.com/webmasters/sitemaps/docs/en/about.html
+ */
+function runSitemapper(){
+    print "runSitemapper(): started".NL;
+    $result = Sitemapper::generate() && Sitemapper::pingSearchEngines();
+    print 'runSitemapper(): finished'.NL;
+    return $result;
+}
+
+/**
+ * Send digest and list mails for all subscriptions which are in effect for the
+ * current page
+ *
+ * @author Adrian Lang <lang@cosmocode.de>
+ */
+function sendDigest() {
+    global $conf;
+    global $ID;
+
+    echo 'sendDigest(): started'.NL;
+    if(!actionOK('subscribe')) {
+        echo 'sendDigest(): disabled'.NL;
+        return false;
+    }
+    $sub = new Subscription();
+    $sent = $sub->send_bulk($ID);
+
+    echo "sendDigest(): sent $sent mails".NL;
+    echo 'sendDigest(): finished'.NL;
+    return (bool) $sent;
+}
+
+/**
+ * Just send a 1x1 pixel blank gif to the browser
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ * @author Harry Fuecks <fuecks@gmail.com>
+ */
+function sendGIF(){
+    $img = base64_decode('R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAEALAAAAAABAAEAAAIBTAA7');
+    header('Content-Type: image/gif');
+    header('Content-Length: '.strlen($img));
+    header('Connection: Close');
+    print $img;
+    tpl_flush();
+    // Browser should drop connection after this
+    // Thinks it's got the whole image
+}
+
+//Setup VIM: ex: et ts=4 :
+// No trailing PHP closing tag - no output please!
+// See Note at http://php.net/manual/en/language.basic-syntax.instruction-separation.php
-- 
cgit 1.4.1-2-gfad0