158 lines
5 KiB
PHP
158 lines
5 KiB
PHP
<?php
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/**
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* @file include/dbclean.php
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* @brief The script is called from time to time to clean the database entries and remove orphaned data.
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*/
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require_once("boot.php");
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function dbclean_run(&$argv, &$argc) {
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global $a, $db;
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if (is_null($a))
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$a = new App;
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if (is_null($db)) {
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@include(".htconfig.php");
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require_once("include/dba.php");
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$db = new dba($db_host, $db_user, $db_pass, $db_data);
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unset($db_host, $db_user, $db_pass, $db_data);
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}
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load_config('config');
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load_config('system');
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if ($argc == 2) {
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$stage = intval($argv[1]);
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} else {
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$stage = 0;
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}
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if (get_config("system", "worker") AND ($stage == 0)) {
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proc_run(PRIORITY_LOW, 'include/dbclean.php', 1);
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proc_run(PRIORITY_LOW, 'include/dbclean.php', 2);
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proc_run(PRIORITY_LOW, 'include/dbclean.php', 3);
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proc_run(PRIORITY_LOW, 'include/dbclean.php', 4);
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proc_run(PRIORITY_LOW, 'include/dbclean.php', 5);
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proc_run(PRIORITY_LOW, 'include/dbclean.php', 6);
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proc_run(PRIORITY_LOW, 'include/dbclean.php', 7);
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} else {
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remove_orphans($stage);
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}
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}
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/**
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* @brief Remove orphaned database entries
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*/
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function remove_orphans($stage = 0) {
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global $db;
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$count = 0;
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if (($stage == 1) OR ($stage == 0)) {
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logger("Deleting old global item entries from item table without user copy");
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if ($db->q("SELECT `id` FROM `item` WHERE `uid` = 0
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AND NOT EXISTS (SELECT `guid` FROM `item` AS `i` WHERE `item`.`guid` = `i`.`guid` AND `i`.`uid` != 0)
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AND `received` < UTC_TIMESTAMP() - INTERVAL 90 DAY LIMIT 10000", true)) {
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$count = $db->num_rows();
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logger("found global item orphans: ".$count);
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while ($orphan = $db->qfetch()) {
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q("DELETE FROM `item` WHERE `id` = %d", intval($orphan["id"]));
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}
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}
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$db->qclose();
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logger("Done deleting old global item entries from item table without user copy");
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}
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if (($stage == 2) OR ($stage == 0)) {
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logger("Deleting items without parents");
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if ($db->q("SELECT `id` FROM `item` WHERE NOT EXISTS (SELECT `id` FROM `item` AS `i` WHERE `item`.`parent` = `i`.`id`) LIMIT 10000", true)) {
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$count = $db->num_rows();
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logger("found item orphans without parents: ".$count);
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while ($orphan = $db->qfetch()) {
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q("DELETE FROM `item` WHERE `id` = %d", intval($orphan["id"]));
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}
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}
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$db->qclose();
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logger("Done deleting items without parents");
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}
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if (($stage == 3) OR ($stage == 0)) {
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logger("Deleting orphaned data from thread table");
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if ($db->q("SELECT `iid` FROM `thread` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`parent` = `thread`.`iid`)", true)) {
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$count = $db->num_rows();
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logger("found thread orphans: ".$count);
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while ($orphan = $db->qfetch()) {
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q("DELETE FROM `thread` WHERE `iid` = %d", intval($orphan["iid"]));
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}
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}
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$db->qclose();
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logger("Done deleting orphaned data from thread table");
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}
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if (($stage == 4) OR ($stage == 0)) {
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logger("Deleting orphaned data from notify table");
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if ($db->q("SELECT `iid` FROM `notify` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `notify`.`iid`)", true)) {
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$count = $db->num_rows();
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logger("found notify orphans: ".$count);
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while ($orphan = $db->qfetch()) {
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q("DELETE FROM `notify` WHERE `iid` = %d", intval($orphan["iid"]));
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}
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}
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$db->qclose();
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logger("Done deleting orphaned data from notify table");
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}
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if (($stage == 5) OR ($stage == 0)) {
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logger("Deleting orphaned data from notify-threads table");
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if ($db->q("SELECT `id` FROM `notify-threads` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`parent` = `notify-threads`.`master-parent-item`)", true)) {
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$count = $db->num_rows();
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logger("found notify-threads orphans: ".$count);
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while ($orphan = $db->qfetch()) {
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q("DELETE FROM `notify-threads` WHERE `id` = %d", intval($orphan["id"]));
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}
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}
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$db->qclose();
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logger("Done deleting orphaned data from notify-threads table");
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}
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if (($stage == 6) OR ($stage == 0)) {
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logger("Deleting orphaned data from sign table");
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if ($db->q("SELECT `iid` FROM `sign` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `sign`.`iid`)", true)) {
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$count = $db->num_rows();
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logger("found sign orphans: ".$count);
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while ($orphan = $db->qfetch()) {
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q("DELETE FROM `sign` WHERE `iid` = %d", intval($orphan["iid"]));
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}
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}
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$db->qclose();
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logger("Done deleting orphaned data from sign table");
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}
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if (($stage == 7) OR ($stage == 0)) {
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logger("Deleting orphaned data from term table");
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if ($db->q("SELECT `oid` FROM `term` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `term`.`oid`)", true)) {
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$count = $db->num_rows();
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logger("found term orphans: ".$count);
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while ($orphan = $db->qfetch()) {
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q("DELETE FROM `term` WHERE `oid` = %d", intval($orphan["oid"]));
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}
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}
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$db->qclose();
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logger("Done deleting orphaned data from term table");
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}
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// Call it again if not all entries were purged
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if (($stage != 0) AND ($count > 0) AND get_config("system", "worker")) {
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proc_run(PRIORITY_LOW, 'include/dbclean.php');
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}
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}
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if (array_search(__file__,get_included_files())===0){
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dbclean_run($_SERVER["argv"],$_SERVER["argc"]);
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killme();
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}
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?>
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