content expiration

4 files changed, 124 insertions, 11 deletions

diff --git a/include/expire.php b/include/expire.php
new file mode 100644
index 000000000..3c30e01c1
--- /dev/null
+++ b/include/expire.php
@@ -0,0 +1,44 @@
+<?php
+
+require_once("boot.php");
+
+function expire_run($argv, $argc){
+	global $a, $db;
+
+	if(is_null($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);
+  	};
+
+	require_once('session.php');
+	require_once('datetime.php');
+	require_once('simplepie/simplepie.inc');
+	require_once('include/items.php');
+	require_once('include/Contact.php');
+
+	$a->set_baseurl(get_config('system','url'));
+
+
+	logger('expire: start');
+	
+	$r = q("SELECT `uid`,`username`,`expire` FROM `user` WHERE `expire` != 0");
+	if(count($r)) {
+		foreach($r as $rr) {
+			logger('Expire: ' . $rr['username'] . ' interval: ' . $rr['expire'], LOGGER_DEBUG);
+			item_expire($rr['uid'],$rr['expire']);
+		}
+	}
+
+	return;
+}
+
+if (array_search(__file__,get_included_files())===0){
+  expire_run($argv,$argc);
+  killme();
+}
diff --git a/include/items.php b/include/items.php
index 2294fe294..051659321 100644
--- a/include/items.php
+++ b/include/items.php
@@ -1507,3 +1507,49 @@ function atom_entry($item,$type,$author,$owner,$comment = false) {
 	return $o;
 }
 	
+function item_expire($uid,$days) {
+
+	if((! $uid) || (! $days))
+		return;
+
+	$r = q("SELECT * FROM `item` 
+		WHERE `uid` = %d 
+		AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY 
+		AND `id` = `parent` 
+		AND `deleted` = 0",
+		intval($uid),
+		intval($days)
+	);
+
+	if(! count($r))
+		return;
+ 
+	logger('expire: # items=' . count($r) );
+
+	foreach($r as $item) {
+
+		// Only expire posts, not photos and photo comments
+
+		if(strlen($item['resource-id']))
+			continue;
+
+		$r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s' WHERE `id` = %d LIMIT 1",
+			dbesc(datetime_convert()),
+			dbesc(datetime_convert()),
+			intval($item['id'])
+		);
+
+		// kill the kids
+
+		$r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
+			dbesc(datetime_convert()),
+			dbesc(datetime_convert()),
+			dbesc($item['parent-uri']),
+			intval($item['uid'])
+		);
+
+	}
+
+	proc_run('php',"include/notifier.php","expire","$uid");
+
+}
\ No newline at end of file
diff --git a/include/notifier.php b/include/notifier.php
index 648a07062..ca2304845 100644
--- a/include/notifier.php
+++ b/include/notifier.php
@@ -40,6 +40,7 @@ function notifier_run($argv, $argc){
 			break;
 	}
 
+	$expire = false;
 	$top_level = false;
 	$recipients = array();
 	$url_recipients = array();
@@ -57,6 +58,17 @@ function notifier_run($argv, $argc){
 		$item = $message[0];
 
 	}
+	elseif($cmd === 'expire') {
+		$expire = true;
+		$items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1 
+			AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP - INTERVAL 10 MINUTE",
+			intval($item_id)
+		);
+		$uid = $item_id;
+		$item_id = 0;
+		if(! count($items))
+			return;
+	}
 	else {
 
 		// find ancestors
@@ -76,11 +88,10 @@ function notifier_run($argv, $argc){
 			intval($parent_id)
 		);
 
-		if(! count($items)){
+		if(! count($items)) {
 			return;
 		}
 
-
 		// avoid race condition with deleting entries
 
 		if($items[0]['deleted']) {
@@ -98,11 +109,11 @@ function notifier_run($argv, $argc){
 		intval($uid)
 	);
 
-	if(count($r))
-		$owner = $r[0];
-	else {
+	if(! count($r))
 		return;
-	}
+
+	$owner = $r[0];
+
 	$hub = get_config('system','huburl');
 
 	// If this is a public conversation, notify the feed hub
@@ -117,7 +128,7 @@ function notifier_run($argv, $argc){
 
 		$parent = $items[0];
 
-		if($parent['type'] === 'remote') {
+		if($parent['type'] === 'remote' && (! $expire)) {
 			// local followup to remote post
 			$followup = true;
 			$notify_hub = false; // not public
@@ -235,6 +246,7 @@ function notifier_run($argv, $argc){
 		}
 		else {
 			foreach($items as $item) {
+
 				if(! $item['parent'])
 					continue;
 
@@ -242,9 +254,9 @@ function notifier_run($argv, $argc){
 				if(! $contact)
 					continue;
 
-				$atom   .= atom_entry($item,'text',$contact,$owner,true);
+				$atom .= atom_entry($item,'text',$contact,$owner,true);
 
-				if(($top_level) && ($notify_hub) && ($item['author-link'] === $item['owner-link'])) 
+				if(($top_level) && ($notify_hub) && ($item['author-link'] === $item['owner-link']) && (! $expire)) 
 					$slaps[] = atom_entry($item,'html',$contact,$owner,true);
 			}
 		}
@@ -319,7 +331,7 @@ function notifier_run($argv, $argc){
 						// only send salmon if public - e.g. if it's ok to notify
 						// a public hub, it's ok to send a salmon
 
-						if(count($slaps) && $notify_hub) {
+						if((count($slaps)) && ($notify_hub) && (! $expire)) {
 							logger('notifier: slapdelivery: ' . $contact['name']);
 							foreach($slaps as $slappy) {
 								if($contact['notify']) {
@@ -350,7 +362,7 @@ function notifier_run($argv, $argc){
 		
 	// send additional slaps to mentioned remote tags (@foo@example.com)
 
-	if($slap && count($url_recipients) && $followup && $notify_hub) {
+	if($slap && count($url_recipients) && $followup && $notify_hub && (! $expire)) {
 		foreach($url_recipients as $url) {
 			if($url) {
 				logger('notifier: urldelivery: ' . $url);
diff --git a/include/poller.php b/include/poller.php
index a093190a6..8619697d9 100644
--- a/include/poller.php
+++ b/include/poller.php
@@ -29,6 +29,17 @@ function poller_run($argv, $argc){
 
 	proc_run('php',"include/queue.php");
 	
+	// once daily run expire in background
+
+	$d1 = get_config('system','last_expire_day');
+	$d2 = intval(datetime_convert('UTC','UTC','now','d'));
+
+	if($d2 != intval($d1)) {
+		set_config('system','last_expire_day',$d2);
+		proc_run('php','include/expire.php');
+	}
+
+
 	// clear old cache
 	q("DELETE FROM `cache` WHERE `updated` < '%s'",
 		dbesc(datetime_convert('UTC','UTC',"now - 30 days")));