danwin1210/le-chat-php
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Use scheduled tasks instead of executing them on every action

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This commit is contained in:
Daniel Winzen
2016-12-23 20:33:57 +01:00
parent 048a373ef7
commit 6c885d7c02
1 changed files with 42 additions and 62 deletions
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104
chat.php
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@ -47,15 +47,16 @@ if(!isset($_REQUEST['session']) && isset($_COOKIE[COOKIENAME])){
}
load_lang();
check_db();
if(!check_init()){
send_init();
}
cron();
route();
// main program: decide what to do based on queries
function route(){
global $U;
if(!isset($_REQUEST['action'])){
if(!check_init()){
send_init();
}
send_login();
}elseif($_REQUEST['action']==='view'){
check_session();
@ -221,9 +222,6 @@ function route_admin(){
function route_setup(){
global $U;
if(!check_init()){
send_init();
}
update_db();
if(!valid_admin()){
send_alogin();
@ -2374,11 +2372,7 @@ function kill_session(){
$_REQUEST['session']='';
$stmt=$db->prepare('DELETE FROM ' . PREFIX . 'sessions WHERE session=?;');
$stmt->execute([$U['session']]);
if($U['status']==1){
$stmt=$db->prepare('DELETE FROM ' . PREFIX . 'ignored WHERE ign=? OR ignby=?;');
$stmt->execute([$U['nickname'], $U['nickname']]);
$db->exec('DELETE FROM ' . PREFIX . 'files WHERE postid NOT IN (SELECT id FROM ' . PREFIX . 'messages UNION SELECT postid FROM ' . PREFIX . 'inbox);');
}elseif($U['status']>=3 && !$U['incognito']){
if($U['status']>=3 && !$U['incognito']){
add_system_message(sprintf(get_setting('msgexit'), style_this(htmlspecialchars($U['nickname']), $U['style'])));
}
}
@ -2428,9 +2422,7 @@ function kick_chatter($names, $mes, $purge){
function logout_chatter($names){
global $U, $db;
$check=$db->prepare('SELECT status FROM ' . PREFIX . 'sessions WHERE nickname=? AND status<?;');
$stmt=$db->prepare('DELETE FROM ' . PREFIX . 'sessions WHERE nickname=?;');
$stmt1=$db->prepare('DELETE FROM ' . PREFIX . 'ignored WHERE ign=? OR ignby=?;');
$stmt=$db->prepare('DELETE FROM ' . PREFIX . 'sessions WHERE nickname=? AND status<?;');
if($names[0]==='s &'){
$tmp=$db->query('SELECT nickname FROM ' . PREFIX . 'sessions WHERE status=1;');
$names=[];
@ -2439,15 +2431,8 @@ function logout_chatter($names){
}
}
foreach($names as $name){
$check->execute([$name, $U['status']]);
if($temp=$check->fetch(PDO::FETCH_NUM)){
$stmt->execute([$name]);
if($temp[0]==1){
$stmt1->execute([$name, $name]);
}
}
$stmt->execute([$name, $U['status']]);
}
$db->exec('DELETE FROM ' . PREFIX . 'files WHERE postid NOT IN (SELECT id FROM ' . PREFIX . 'messages UNION SELECT postid FROM ' . PREFIX . 'inbox);');
}
function check_session(){
@ -2501,21 +2486,6 @@ function get_nowchatting(){
function parse_sessions(){
global $U, $db;
// delete old sessions
$time=time();
$result=$db->prepare('SELECT nickname, status FROM ' . PREFIX . 'sessions WHERE (status<=2 AND lastpost<(?-60*(SELECT value FROM ' . PREFIX . "settings WHERE setting='guestexpire'))) OR (status>2 AND lastpost<(?-60*(SELECT value FROM " . PREFIX . "settings WHERE setting='memberexpire')));");
$result->execute([$time, $time]);
if($tmp=$result->fetchAll(PDO::FETCH_ASSOC)){
$stmt=$db->prepare('DELETE FROM ' . PREFIX . 'sessions WHERE nickname=?;');
$stmt1=$db->prepare('DELETE FROM ' . PREFIX . 'ignored WHERE ign=? OR ignby=?;');
foreach($tmp as $temp){
$stmt->execute([$temp['nickname']]);
if($temp['status']<=1){
$stmt1->execute([$temp['nickname'], $temp['nickname']]);
}
}
$db->exec('DELETE FROM ' . PREFIX . 'files WHERE postid NOT IN (SELECT id FROM ' . PREFIX . 'messages UNION SELECT postid FROM ' . PREFIX . 'inbox);');
}
// look for our session
if(isset($_REQUEST['session'])){
$stmt=$db->prepare('SELECT * FROM ' . PREFIX . 'sessions WHERE session=?;');
@ -2559,7 +2529,8 @@ function delete_account(){
$stmt->execute([$U['nickname']]);
$stmt=$db->prepare('DELETE FROM ' . PREFIX . 'members WHERE nickname=?;');
$stmt->execute([$U['nickname']]);
$db->exec('DELETE FROM ' . PREFIX . 'files WHERE postid NOT IN (SELECT id FROM ' . PREFIX . 'messages UNION SELECT postid FROM ' . PREFIX . 'inbox);');
$stmt=$db->prepare('DELETE FROM ' . PREFIX . 'inbox WHERE recipient=?;'); // delete inbox of members who deleted themselves
$stmt->execute([$U['nickname']]);
$U['status']=1;
}
}
@ -2652,7 +2623,6 @@ function change_status($nick, $status){
$stmt->execute([$nick]);
$stmt=$db->prepare('UPDATE ' . PREFIX . 'sessions SET status=1, incognito=0 WHERE nickname=?;');
$stmt->execute([$nick]);
$db->exec('DELETE FROM ' . PREFIX . 'files WHERE postid NOT IN (SELECT id FROM ' . PREFIX . 'messages UNION SELECT postid FROM ' . PREFIX . 'inbox);');
return sprintf($I['succdel'], style_this(htmlspecialchars($nick), $old[1]));
}else{
if($status<5){
@ -3161,13 +3131,6 @@ function write_message($message){
}
$stmt=$db->prepare('INSERT INTO ' . PREFIX . 'messages (postdate, poststatus, poster, recipient, text, delstatus) VALUES (?, ?, ?, ?, ?, ?);');
$stmt->execute([$message['postdate'], $message['poststatus'], $message['poster'], $message['recipient'], $message['text'], $message['delstatus']]);
$limit=get_setting('messagelimit');
$stmt=$db->query('SELECT id FROM ' . PREFIX . "messages WHERE poststatus=1 ORDER BY id DESC LIMIT 1 OFFSET $limit;");
if($id=$stmt->fetch(PDO::FETCH_NUM)){
$stmt=$db->prepare('DELETE FROM ' . PREFIX . 'messages WHERE id<=?;');
$stmt->execute($id);
$db->exec('DELETE FROM ' . PREFIX . 'files WHERE postid NOT IN (SELECT id FROM ' . PREFIX . 'messages UNION SELECT postid FROM ' . PREFIX . 'inbox);');
}
if($message['poststatus']<9 && get_setting('sendmail')){
$subject='New Chat message';
$headers='From: '.get_setting('mailsender')."\r\nX-Mailer: PHP/".phpversion()."\r\nContent-Type: text/html; charset=UTF-8\r\n";
@ -3179,7 +3142,6 @@ function write_message($message){
function clean_room(){
global $db;
$db->query('DELETE FROM ' . PREFIX . 'messages;');
$db->exec('DELETE FROM ' . PREFIX . 'files WHERE postid NOT IN (SELECT postid FROM ' . PREFIX . 'inbox);');
add_system_message(sprintf(get_setting('msgclean'), get_setting('chatname')));
}
@ -3190,7 +3152,6 @@ function clean_selected($status, $nick){
foreach($_REQUEST['mid'] as $mid){
$stmt->execute([$mid, $nick, $nick, $status, $status]);
}
$db->exec('DELETE FROM ' . PREFIX . 'files WHERE postid NOT IN (SELECT id FROM ' . PREFIX . 'messages UNION SELECT postid FROM ' . PREFIX . 'inbox);');
}
}
@ -3201,7 +3162,6 @@ function clean_inbox_selected(){
foreach($_REQUEST['mid'] as $mid){
$stmt->execute([$mid, $U['nickname']]);
}
$db->exec('DELETE FROM ' . PREFIX . 'files WHERE postid NOT IN (SELECT id FROM ' . PREFIX . 'messages UNION SELECT postid FROM ' . PREFIX . 'inbox);');
}
}
@ -3214,7 +3174,6 @@ function del_all_messages($nick, $entry){
$stmt->execute([$nick, $entry]);
$stmt=$db->prepare('DELETE FROM ' . PREFIX . 'inbox WHERE poster=? AND postdate>=?;');
$stmt->execute([$nick, $entry]);
$db->exec('DELETE FROM ' . PREFIX . 'files WHERE postid NOT IN (SELECT id FROM ' . PREFIX . 'messages UNION SELECT postid FROM ' . PREFIX . 'inbox);');
}
function del_last_message(){
@ -3231,8 +3190,6 @@ function del_last_message(){
$stmt->execute($id);
$stmt=$db->prepare('DELETE FROM ' . PREFIX . 'inbox WHERE postid=?;');
$stmt->execute($id);
$stmt=$db->prepare('DELETE FROM ' . PREFIX . 'files WHERE postid=?;');
$stmt->execute($id);
}
}
@ -3264,10 +3221,6 @@ function print_messages($delstatus=0){
}else{
$entry=$U['entry'];
}
$time=time();
$stmt=$db->prepare('DELETE FROM ' . PREFIX . 'messages WHERE id IN (SELECT * FROM (SELECT id FROM ' . PREFIX . 'messages WHERE postdate<(?-60*(SELECT value FROM ' . PREFIX . "settings WHERE setting='messageexpire'))) AS t);");
$stmt->execute([$time]);
$db->exec('DELETE FROM ' . PREFIX . 'files WHERE postid NOT IN (SELECT id FROM ' . PREFIX . 'messages UNION SELECT postid FROM ' . PREFIX . 'inbox);');
echo '<div id="messages">';
if($delstatus>0){
$stmt=$db->prepare('SELECT postdate, id, text FROM ' . PREFIX . 'messages WHERE '.
@ -3490,6 +3443,32 @@ function check_init(){
return @$db->query('SELECT * FROM ' . PREFIX . 'settings LIMIT 1;');
}
// run every minute doing various database cleanup task
function cron(){
global $db;
$time=time();
if(get_setting('nextcron')>$time){
return;
}
// delete old sessions
$stmt=$db->prepare('DELETE FROM ' . PREFIX . 'sessions WHERE (status<=2 AND lastpost<(?-60*(SELECT value FROM ' . PREFIX . "settings WHERE setting='guestexpire'))) OR (status>2 AND lastpost<(?-60*(SELECT value FROM " . PREFIX . "settings WHERE setting='memberexpire')));");
$stmt->execute([$time, $time]);
// delete old messages
$limit=get_setting('messagelimit');
$stmt=$db->query('SELECT id FROM ' . PREFIX . "messages WHERE poststatus=1 ORDER BY id DESC LIMIT 1 OFFSET $limit;");
if($id=$stmt->fetch(PDO::FETCH_NUM)){
$stmt=$db->prepare('DELETE FROM ' . PREFIX . 'messages WHERE id<=?;');
$stmt->execute($id);
}
$stmt=$db->prepare('DELETE FROM ' . PREFIX . 'messages WHERE id IN (SELECT * FROM (SELECT id FROM ' . PREFIX . 'messages WHERE postdate<(?-60*(SELECT value FROM ' . PREFIX . "settings WHERE setting='messageexpire'))) AS t);");
$stmt->execute([$time]);
// delete expired ignored people
$db->exec('DELETE FROM ' . PREFIX . 'ignored WHERE ign NOT IN (SELECT nickname FROM ' . PREFIX . 'sessions UNION SELECT nickname FROM ' . PREFIX . 'members UNION SELECT poster FROM ' . PREFIX . 'messages) OR ignby NOT IN (SELECT nickname FROM ' . PREFIX . 'sessions UNION SELECT nickname FROM ' . PREFIX . 'members UNION SELECT poster FROM ' . PREFIX . 'messages);');
// delete files that do not belong to any message
$db->exec('DELETE FROM ' . PREFIX . 'files WHERE postid NOT IN (SELECT id FROM ' . PREFIX . 'messages UNION SELECT postid FROM ' . PREFIX . 'inbox);');
update_setting('nextcron', $time+10);
}
function destroy_chat($C){
global $I, $db, $memcached;
setcookie(COOKIENAME, false);
@ -3648,7 +3627,8 @@ function init_chat(){
['hidechatters', '0'],
['enfileupload', '0'],
['msgattache', '%2$s [%1$s]'],
['maxuploadsize', '1024']
['maxuploadsize', '1024'],
['nextcron', '0'],
];
$stmt=$db->prepare('INSERT INTO ' . PREFIX . 'settings (setting, value) VALUES (?, ?);');
foreach($settings as $pair){
@ -3831,9 +3811,6 @@ function update_db(){
if($dbversion<23){
$db->exec('DELETE FROM ' . PREFIX . "settings WHERE setting='enablejs';");
}
if($dbversion<24){
$db->exec('DELETE FROM ' . PREFIX . 'ignored WHERE id IN (SELECT id FROM (SELECT ' . PREFIX . 'ignored.id, ign, ignby FROM ' . PREFIX . 'ignored, ' . PREFIX . 'members WHERE nickname=ignby AND status < (SELECT status FROM ' . PREFIX . 'members WHERE nickname=ign) ) AS t);');
}
if($dbversion<25){
$db->exec('DELETE FROM ' . PREFIX . "settings WHERE setting='keeplimit';");
}
@ -3946,7 +3923,6 @@ function update_db(){
$db->exec('CREATE TABLE ' . PREFIX . "files (id $primary, postid integer NOT NULL UNIQUE, filename varchar(255) NOT NULL, hash char(40) NOT NULL, type varchar(255) NOT NULL, data $longtext NOT NULL)$diskengine$charset;");
$db->exec('CREATE INDEX ' . PREFIX . 'files_hash ON ' . PREFIX . 'files(hash);');
$db->exec('INSERT INTO ' . PREFIX . "settings (setting, value) VALUES ('enfileupload', '0'), ('msgattache', '%2\$s [%1\$s]'), ('maxuploadsize', '1024');");
$db->exec('DELETE FROM ' . PREFIX . 'inbox WHERE recipient NOT IN (SELECT nickname FROM ' . PREFIX . 'members);'); // delete inbox of members who deleted themselves
}
if($dbversion<34){
$msg.="<br>$I[cssupdate]";
@ -3971,6 +3947,10 @@ function update_db(){
$db->exec('UPDATE ' . PREFIX . "sessions SET tz='UTC';");
$db->exec('UPDATE ' . PREFIX . "settings SET value='UTC' WHERE setting='defaulttz';");
}
if($dbversion<38){
$db->exec('INSERT INTO ' . PREFIX . "settings (setting, value) VALUES ('nextcron', '0');");
$db->exec('DELETE FROM ' . PREFIX . 'inbox WHERE recipient NOT IN (SELECT nickname FROM ' . PREFIX . 'members);'); // delete inbox of members who deleted themselves
}
update_setting('dbversion', DBVERSION);
if(get_setting('msgencrypted')!=MSGENCRYPTED){
if(!extension_loaded('openssl')){
@ -4142,7 +4122,7 @@ function load_lang(){
function load_config(){
mb_internal_encoding('UTF-8');
define('VERSION', '1.22.1'); // Script version
define('DBVERSION', 37); // Database layout version
define('DBVERSION', 38); // Database layout version
define('MSGENCRYPTED', false); // Store messages encrypted in the database to prevent other database users from reading them - true/false - visit the setup page after editing!
define('ENCRYPTKEY', 'MY_KEY'); // Encryption key for messages
define('DBHOST', 'localhost'); // Database host