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ajout de la partie slam dans le dossier web

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2022-03-10 11:56:26 +01:00
parent 31d3052792
commit e375c4f088
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ap23/web/doku/inc/TaskRunner.php Normal file
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<?php
namespace dokuwiki;
use dokuwiki\Extension\Event;
use dokuwiki\Sitemap\Mapper;
use dokuwiki\Subscriptions\BulkSubscriptionSender;
/**
* Class TaskRunner
*
* Run an asynchronous task.
*/
class TaskRunner
{
/**
* Run the next task
*
* @todo refactor to remove dependencies on globals
* @triggers INDEXER_TASKS_RUN
*/
public function run()
{
global $INPUT, $conf, $ID;
// 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){
$this->sendGIF();
}
$ID = cleanID($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 = []; // No event data
$evt = new Event('INDEXER_TASKS_RUN', $tmp);
if ($evt->advise_before()) {
$this->runIndexer() or
$this->runSitemapper() or
$this->sendDigest() or
$this->runTrimRecentChanges() or
$this->runTrimRecentChanges(true) or
$evt->advise_after();
}
if(!$output) {
ob_end_clean();
if($defer) {
$this->sendGIF();
}
}
}
/**
* Just send a 1x1 pixel blank gif to the browser
*
* @author Andreas Gohr <andi@splitbrain.org>
* @author Harry Fuecks <fuecks@gmail.com>
*/
protected 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
}
/**
* Trims the recent changes cache (or imports the old changelog) as needed.
*
* @param bool $media_changes If the media changelog shall be trimmed instead of
* the page changelog
*
* @return bool
* @triggers TASK_RECENTCHANGES_TRIM
* @author Ben Coburn <btcoburn@silicodon.net>
*/
protected function runTrimRecentChanges($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 = [];
$old_lines = [];
for ($i = 0; $i < count($lines); $i++) {
$log = parseChangelogLine($lines[$i]);
if ($log === false) {
continue; // discard junk
}
if ($log['date'] < $trim_time) {
// keep old lines for now (append .$i to prevent key collisions)
$old_lines[$log['date'] . ".$i"] = $lines[$i];
} else {
// definitely keep these lines
$out_lines[$log['date'] . ".$i"] = $lines[$i];
}
}
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);
}
$eventData = [
'isMedia' => $media_changes,
'trimmedChangelogLines' => $out_lines,
'removedChangelogLines' => $extra > 0 ? array_slice($old_lines, 0, -$extra) : $old_lines,
];
Event::createAndTrigger('TASK_RECENTCHANGES_TRIM', $eventData);
$out_lines = $eventData['trimmedChangelogLines'];
// save trimmed changelog
io_saveFile($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>
*/
protected function runIndexer()
{
global $ID;
print 'runIndexer(): started' . NL;
if ((string) $ID === '') {
return false;
}
// do the work
return idx_addPage($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
*/
protected function runSitemapper()
{
print 'runSitemapper(): started' . NL;
$result = Mapper::generate() && Mapper::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>
*/
protected function sendDigest()
{
global $ID;
echo 'sendDigest(): started' . NL;
if (!actionOK('subscribe')) {
echo 'sendDigest(): disabled' . NL;
return false;
}
$sub = new BulkSubscriptionSender();
$sent = $sub->sendBulk($ID);
echo "sendDigest(): sent $sent mails" . NL;
echo 'sendDigest(): finished' . NL;
return (bool)$sent;
}
}