172 lines
7.9 KiB
PHP
172 lines
7.9 KiB
PHP
<?php
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// Clean the backend cache. We do this with an AJAX request because
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// a) It doesn't slow down the loading of the page, and
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// b) If we do it at page load time Chrome's page preload feature can result in two of them running simultaneously,
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// which produces 'cannot stat' errors.
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chdir('..');
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include("includes/vars.php");
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include("includes/functions.php");
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require_once("utils/imagefunctions.php");
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include("backends/sql/backend.php");
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logger::shout("CACHE CLEANER", "-----------------------------------------------------------------------");
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logger::blurt("CACHE CLEANER", "Checking Cache");
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// DO NOT REDUCE the values for musicbrainz
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// - we have to follow their API rules and as we don't check
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// expiry headers at all we need to keep everything for a month
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// otherwise they will ban us. Don't spoil it for everyone.
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// One Month
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clean_cache_dir('prefs/jsoncache/musicbrainz/', 2592000);
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// One Month
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clean_cache_dir('prefs/jsoncache/allmusic/', 2592000);
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// One Week
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clean_cache_dir('prefs/jsoncache/discogs/', 604800);
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// One Month
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clean_cache_dir('prefs/jsoncache/wikipedia/', 2592000);
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// One Month
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clean_cache_dir('prefs/jsoncache/lastfm/', 2592000);
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// One Month
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clean_cache_dir('prefs/jsoncache/soundcloud/', 2592000);
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// One Month
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clean_cache_dir('prefs/jsoncache/spotify/', 2592000);
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// One Month
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clean_cache_dir('prefs/jsoncache/google/', 2592000);
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// Six Months - after all, lyrics are small and don't change
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clean_cache_dir('prefs/jsoncache/lyrics/', 15552000);
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// One week (or it can get REALLY big)
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clean_cache_dir('prefs/imagecache/', 604800);
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// Clean the albumart temporary upload directory
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clean_cache_dir('albumart/', 1);
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// Clean the temp directory
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clean_cache_dir('prefs/temp/', 1);
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logger::shout("CACHE CLEANER", "Cache has been cleaned");
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if ($mysqlc) {
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$now = time();
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logger::shout("CACHE CLEANER", "Tidying Database");
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logger::mark("CACHE CLEANER", "Checking database for hidden album art");
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// Note the final line checking that image isn't in use by another album
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// it's an edge case where we have the album local but we also somehow have a spotify or whatever
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// version with hidden tracks
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$result = generic_sql_query("SELECT DISTINCT Albumindex, Albumname, Image, Domain FROM
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Tracktable JOIN Albumtable USING (Albumindex) JOIN Playcounttable USING (TTindex)
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WHERE Hidden = 1
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AND ".sql_two_weeks()."
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AND
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Albumindex NOT IN (SELECT Albumindex FROM Albumtable JOIN Tracktable USING (Albumindex) WHERE Hidden = 0)
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AND
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Image NOT IN (SELECT Image FROM Albumtable JOIN Tracktable USING (Albumindex) WHERE Hidden = 0)", false, PDO::FETCH_OBJ);
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foreach ($result as $obj) {
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if (preg_match('#^albumart/small/#', $obj->Image)) {
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logger::log("CACHE CLEANER", "Removing image for hidden album",$obj->Albumname,$obj->Image);
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generic_sql_query("UPDATE Albumtable SET Image = NULL, Searched = 0 WHERE Albumindex = ".$obj->Albumindex, true);
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}
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}
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logger::debug("CACHE CLEANER", "== Check For Hidden Album Art took ".format_time(time() - $now));
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if ($prefs['cleanalbumimages']) {
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$now = time();
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// TODO: This is too slow
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logger::mark("CACHE CLEANER", "Checking albumart folder for unneeded images");
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$files = glob('albumart/small/*.*');
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foreach ($files as $image) {
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// Remove images for hidden tracks and search results. The missing check below will reset the db entries for those albums
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// Keep everything for 24 hours regardless, we might be using it in a playlist or something
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if (filemtime($image) < time()-86400) {
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$count = sql_prepare_query(false, null, 'acount', 0, "SELECT COUNT(Albumindex) AS acount FROM Albumtable JOIN Tracktable USING (Albumindex) WHERE Image = ? AND Hidden = 0 AND isSearchResult < 2 AND URI IS NOT NULL", $image);
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if ($count < 1) {
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logger::log("CACHE CLEANER", " Removing Unused Album image ",$image);
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$albumimage = new baseAlbumImage(array('baseimage' => $image));
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array_map('unlink', $albumimage->get_images());
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}
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}
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}
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logger::debug("CACHE CLEANER", "== Check For Unneeded Images took ".format_time(time() - $now));
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logger::mark("CACHE CLEANER", "Checking for orphaned radio station images");
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$now = time();
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$files = glob('prefs/userstreams/*');
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foreach ($files as $image) {
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$count = generic_sql_query("SELECT COUNT(Stationindex) AS acount FROM RadioStationtable WHERE Image LIKE '".$image."%'", false, null, 'acount', 0);
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if ($count < 1) {
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logger::log("CACHE CLEANER", " Removing orphaned radio station image",$image);
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rrmdir($image);
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}
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}
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logger::debug("CACHE CLEANER", "== Check For Orphaned Radio Station Images took ".format_time(time() - $now));
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logger::mark("CACHE CLEANER", "Checking for orphaned podcast data");
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$now = time();
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$files = glob('prefs/podcasts/*');
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$pods = sql_get_column("SELECT PODindex FROM Podcasttable", 0);
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foreach ($files as $file) {
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if (!in_array(basename($file), $pods)) {
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logger::log("CACHE CLEANER", " Removing orphaned podcast directory",$file);
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rrmdir($file);
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}
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}
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logger::debug("CACHE CLEANER", "== Check For Orphaned Podcast Data took ".format_time(time() - $now));
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}
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logger::mark("CACHE CLEANER", "Checking database for missing album art");
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$now = time();
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$result = generic_sql_query("SELECT Albumindex, Albumname, Image, Domain FROM Albumtable WHERE Image NOT LIKE 'getRemoteImage%'", false, PDO::FETCH_OBJ);
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foreach ($result as $obj) {
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if ($obj->Image != '' && !file_exists($obj->Image)) {
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logger::log("CACHE CLEANER", $obj->Albumname,"has missing image",$obj->Image);
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if (file_exists("newimages/".$obj->Domain."-logo.svg")) {
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$image = "newimages/".$obj->Domain."-logo.svg";
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$searched = 1;
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} else {
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$image = '';
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$searched = 0;
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}
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sql_prepare_query(true, null, null, null, "UPDATE Albumtable SET Searched = ?, Image = ? WHERE Albumindex = ?", $searched, $image, $obj->Albumindex);
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}
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}
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logger::debug("CACHE CLEANER", "== Check For Missing Album Art took ".format_time(time() - $now));
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logger::mark("CACHE CLEANER", "Checking for orphaned Wishlist Sources");
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$now = time();
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generic_sql_query("DELETE FROM WishlistSourcetable WHERE Sourceindex NOT IN (SELECT DISTINCT Sourceindex FROM Tracktable WHERE Sourceindex IS NOT NULL)");
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logger::debug("CACHE CLEANER", "== Check For Orphaned Wishlist Sources took ".format_time(time() - $now));
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// Compact the database
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if ($prefs['collection_type'] == 'sqlite') {
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logger::mark("CACHE CLEANER", "Vacuuming Database");
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$now = time();
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generic_sql_query("VACUUM", true);
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generic_sql_query("PRAGMA optimize", true);
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logger::debug("CACHE CLEANER", "== Database Optimisation took ".format_time(time() - $now));
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}
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logger::shout("CACHE CLEANER", "Database Tidying Is Complete");
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}
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logger::shout("CACHE CLEANER", "-----------------------------------------------------------------------");
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function clean_cache_dir($dir, $time) {
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logger::log("CACHE CLEANER", "Cache Cleaner is running on ".$dir);
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$cache = glob($dir."*");
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$now = time();
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foreach($cache as $file) {
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if (!is_dir($file)) {
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if($now - filemtime($file) > $time) {
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logger::log("CACHE CLEANER", "Removing file ".$file);
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@unlink ($file);
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}
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}
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}
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}
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?>
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<html></html>
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