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prevent runaway notifications when parent=0 due to race condition

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This commit is contained in:
Friendika 2011-02-04 04:25:53 -08:00
parent 5c98032893
commit 2a9bfae2b7
3 changed files with 78 additions and 59 deletions
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14
include/items.php
View file

@ -688,11 +688,12 @@ function item_store($arr,$force_parent = false) {
$arr['parent-uri'] = $r[0]['parent-uri'];
}
$parent_id = $r[0]['id'];
$allow_cid = $r[0]['allow_cid'];
$allow_gid = $r[0]['allow_gid'];
$deny_cid = $r[0]['deny_cid'];
$deny_gid = $r[0]['deny_gid'];
$parent_id = $r[0]['id'];
$parent_deleted = $r[0]['deleted'];
$allow_cid = $r[0]['allow_cid'];
$allow_gid = $r[0]['allow_gid'];
$deny_cid = $r[0]['deny_cid'];
$deny_gid = $r[0]['deny_gid'];
}
else {
@ -750,13 +751,14 @@ function item_store($arr,$force_parent = false) {
// Set parent id - and also make sure to inherit the parent's ACL's.
$r = q("UPDATE `item` SET `parent` = %d, `allow_cid` = '%s', `allow_gid` = '%s',
`deny_cid` = '%s', `deny_gid` = '%s', `private` = %d WHERE `id` = %d LIMIT 1",
`deny_cid` = '%s', `deny_gid` = '%s', `private` = %d, `deleted` = $d WHERE `id` = %d LIMIT 1",
intval($parent_id),
dbesc($allow_cid),
dbesc($allow_gid),
dbesc($deny_cid),
dbesc($deny_gid),
intval($private),
intval($parent_deleted),
intval($current_post)
);

43
include/notifier.php
View file

@ -2,18 +2,18 @@
require_once("boot.php");
function notifier_run($argv, $argc){
global $a, $db;
global $a, $db;
if(is_null($a)){
$a = new App;
}
if(is_null($a)){
$a = new App;
}
if(is_null($db)){
@include(".htconfig.php");
require_once("dba.php");
$db = new dba($db_host, $db_user, $db_pass, $db_data);
unset($db_host, $db_user, $db_pass, $db_data);
};
if(is_null($db)) {
@include(".htconfig.php");
require_once("dba.php");
$db = new dba($db_host, $db_user, $db_pass, $db_data);
unset($db_host, $db_user, $db_pass, $db_data);
}
require_once("session.php");
require_once("datetime.php");
@ -62,11 +62,12 @@ function notifier_run($argv, $argc){
$r = q("SELECT `parent`, `uid`, `edited` FROM `item` WHERE `id` = %d LIMIT 1",
intval($item_id)
);
if(! count($r)){
if((! count($r)) || (! intval($r[0]['parent']))) {
return;
}
$parent_id = $r[0]['parent'];
$parent_id = intval($r[0]['parent']);
$uid = $r[0]['uid'];
$updated = $r[0]['edited'];
@ -77,6 +78,13 @@ function notifier_run($argv, $argc){
if(! count($items)){
return;
}
// avoid race condition with deleting entries
if($items[0]['deleted']) {
foreach($items as $item)
$item['deleted'] = 1;
}
$r = q("SELECT `contact`.*, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`, `user`.`page-flags`
@ -122,8 +130,8 @@ function notifier_run($argv, $argc){
$allow_people = expand_acl($parent['allow_cid']);
$allow_groups = expand_groups(expand_acl($parent['allow_gid']));
$deny_people = expand_acl($parent['deny_cid']);
$deny_groups = expand_groups(expand_acl($parent['deny_gid']));
$deny_people = expand_acl($parent['deny_cid']);
$deny_groups = expand_groups(expand_acl($parent['deny_gid']));
$conversants = array();
@ -220,6 +228,8 @@ function notifier_run($argv, $argc){
else {
if($followup) {
foreach($items as $item) { // there is only one item
if(! $item['parent'])
continue;
if($item['id'] == $item_id) {
logger('notifier: followup: item: ' . print_r($item,true), LOGGER_DATA);
$slap = atom_entry($item,'html',$owner,$owner,false);
@ -229,6 +239,9 @@ function notifier_run($argv, $argc){
}
else {
foreach($items as $item) {
if(! $item['parent'])
continue;
$contact = get_item_contact($item,$contacts);
if(! $contact)
continue;

80
mod/dfrn_notify.php
View file

@ -289,54 +289,58 @@ function dfrn_notify_post(&$a) {
$datarray['last-child'] = 0;
}
$posted_id = item_store($datarray);
$parent = 0;
if($posted_id) {
$r = q("SELECT `parent` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
intval($posted_id),
intval($importer['importer_uid'])
);
if(count($r))
$parent = $r[0]['parent'];
if(! $is_like) {
$r = q("SELECT `parent` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
intval($posted_id),
intval($importer['importer_uid'])
$r1 = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `uid` = %d AND `parent` = %d",
dbesc(datetime_convert()),
intval($importer['importer_uid']),
intval($r[0]['parent'])
);
if(count($r)) {
$r1 = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `uid` = %d AND `parent` = %d",
dbesc(datetime_convert()),
intval($importer['importer_uid']),
intval($r[0]['parent'])
);
}
$r2 = q("UPDATE `item` SET `last-child` = 1, `changed` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
dbesc(datetime_convert()),
intval($importer['importer_uid']),
intval($posted_id)
dbesc(datetime_convert()),
intval($importer['importer_uid']),
intval($posted_id)
);
}
$php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
if($posted_id && $parent) {
$php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
//proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"comment-import\" \"$posted_id\" &", array(),$foo));
proc_run($php_path,"include/notifier.php","comment-import","$posted_id");
proc_run($php_path,"include/notifier.php","comment-import","$posted_id");
if((! $is_like) && ($importer['notify-flags'] & NOTIFY_COMMENT) && (! $importer['self'])) {
require_once('bbcode.php');
$from = stripslashes($datarray['author-name']);
$tpl = load_view_file('view/cmnt_received_eml.tpl');
$email_tpl = replace_macros($tpl, array(
'$sitename' => $a->config['sitename'],
'$siteurl' => $a->get_baseurl(),
'$username' => $importer['username'],
'$email' => $importer['email'],
'$display' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $posted_id,
'$from' => $from,
'$body' => strip_tags(bbcode(stripslashes($datarray['body'])))
));
$res = mail($importer['email'], $from . t(' commented on an item at ') . $a->config['sitename'],
$email_tpl, "From: " . t('Administrator') . '@' . $a->get_hostname() );
if((! $is_like) && ($importer['notify-flags'] & NOTIFY_COMMENT) && (! $importer['self'])) {
require_once('bbcode.php');
$from = stripslashes($datarray['author-name']);
$tpl = load_view_file('view/cmnt_received_eml.tpl');
$email_tpl = replace_macros($tpl, array(
'$sitename' => $a->config['sitename'],
'$siteurl' => $a->get_baseurl(),
'$username' => $importer['username'],
'$email' => $importer['email'],
'$display' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $posted_id,
'$from' => $from,
'$body' => strip_tags(bbcode(stripslashes($datarray['body'])))
));
$res = mail($importer['email'], $from . t(' commented on an item at ') . $a->config['sitename'],
$email_tpl, "From: " . t('Administrator') . '@' . $a->get_hostname() );
}
}
xml_status(0);
// NOTREACHED
}
xml_status(0);
// NOTREACHED
}
else {
// regular comment that is part of this total conversation. Have we seen it? If not, import it.
@ -375,13 +379,13 @@ function dfrn_notify_post(&$a) {
if(($datarray['type'] != 'activity') && ($importer['notify-flags'] & NOTIFY_COMMENT)) {
$myconv = q("SELECT `author-link` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d",
$myconv = q("SELECT `author-link` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 ",
dbesc($parent_uri),
intval($importer['importer_uid'])
);
if(count($myconv)) {
foreach($myconv as $conv) {
if($conv['author-link'] != $importer['url'])
if(! link_compare($conv['author-link'],$importer['url']))
continue;
require_once('bbcode.php');
$from = stripslashes($datarray['author-name']);