From ed14c1f224afadb5dd5417d4078f853ff97b30cb Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Wed, 26 Mar 2014 18:45:01 -0700
Subject: more work on firehose

---
 include/expire.php   |  4 ++++
 include/items.php    |  2 +-
 include/poller.php   | 24 ++++++++++++++++++++++++
 include/security.php | 10 ++++++----
 include/zot.php      | 12 +++++++-----
 5 files changed, 42 insertions(+), 10 deletions(-)

(limited to 'include')

diff --git a/include/expire.php b/include/expire.php
index 2d94d64c0..ee9956ef3 100644
--- a/include/expire.php
+++ b/include/expire.php
@@ -29,6 +29,10 @@ function expire_run($argv, $argc){
 		}
 	}
 
+	$x = get_sys_channel();
+	if($x)
+		item_expire($x['channel_id'],30);
+
 	return;
 }
 
diff --git a/include/items.php b/include/items.php
index dd5f4aac1..5cc1ef05c 100755
--- a/include/items.php
+++ b/include/items.php
@@ -3767,7 +3767,7 @@ function zot_feed($uid,$observer_xchan,$mindate) {
 		$r = q("SELECT item.*, item.id as item_id from item
 			WHERE uid in (" . stream_perms_api_uids(PERMS_PUBLIC) . ") AND item_restrict = 0 and id = parent
 			AND (item_flags &  %d) 
-			$sql_extra ORDER BY created ASC $limit",
+			and item_private = 0 ORDER BY created ASC $limit",
 			intval($uid),
 			intval(ITEM_WALL)
 		);
diff --git a/include/poller.php b/include/poller.php
index bae39dd2e..aa09afd5d 100644
--- a/include/poller.php
+++ b/include/poller.php
@@ -167,6 +167,30 @@ function poller_run($argv, $argc){
 		}
 	}
 
+	// pull in some public posts
+
+	$r = q("select site_url from site where site_url != '%s'  order by rand() limit 1",
+		dbesc(z_root())
+	);
+
+	if($r) {
+		$feedurl = $r[0]['site_url'] . '/zotfeed?f=&mindate=' . urlencode(datetime_convert('','','now - 1 month'));
+		$x = z_fetch_url($feedurl);
+		if(($x) && ($x['success'])) {
+			$total = 0;
+			$j = json_decode($x['body'],true);
+			if($j['success'] && $j['messages']) {
+				require_once('include/identity.php');
+				$sys = get_sys_channel();
+				foreach($j['messages'] as $message) {
+					$results = process_delivery(array('hash' => 'undefined'), get_item_elements($message),
+						array(array('hash' => $sys['xchan_hash'])), false, true);
+					$total ++;
+				}
+				logger('import_public_posts: ' . $total . ' messages imported', LOGGER_DEBUG);
+			}
+		}
+	}
 
 	$manual_id  = 0;
 	$generation = 0;
diff --git a/include/security.php b/include/security.php
index d974efb8f..282c8ab73 100644
--- a/include/security.php
+++ b/include/security.php
@@ -346,9 +346,10 @@ function stream_perms_api_uids($perms_min = PERMS_SITE) {
 	$ret = array();
 	if(local_user())
 		$ret[] = local_user();
-	$r = q("select channel_id from channel where channel_r_stream > 0 and channel_r_stream <= %d and not (channel_pageflags & %d)",
+	$r = q("select channel_id from channel where channel_r_stream > 0 and channel_r_stream <= %d and not (channel_pageflags & %d) and not (channel_pageflags & %d)",
 		intval($perms_min),
-		intval(PAGE_CENSORED)
+		intval(PAGE_CENSORED),
+		intval(PAGE_SYSTEM)
 	);
 	if($r)
 		foreach($r as $rr)
@@ -371,9 +372,10 @@ function stream_perms_xchans($perms_min = PERMS_SITE) {
 	if(local_user())
 		$ret[] = get_observer_hash();
 
-	$r = q("select channel_hash from channel where channel_r_stream > 0 and channel_r_stream <= %d and not (channel_pageflags & %d)",
+	$r = q("select channel_hash from channel where channel_r_stream > 0 and channel_r_stream <= %d and not (channel_pageflags & %d) and not (channel_pageflags & %d)",
 		intval($perms_min),
-		intval(PAGE_CENSORED)
+		intval(PAGE_CENSORED),
+		intval(PAGE_SYSTEM)
 	);
 	if($r)
 		foreach($r as $rr)
diff --git a/include/zot.php b/include/zot.php
index c82918b3a..186f1da10 100644
--- a/include/zot.php
+++ b/include/zot.php
@@ -1354,16 +1354,18 @@ function allowed_public_recips($msg) {
 }
 
 
-function process_delivery($sender,$arr,$deliveries,$relay) {
+function process_delivery($sender,$arr,$deliveries,$relay,$public = false) {
 
 	$result = array();
 
 
 	// We've validated the sender. Now make sure that the sender is the owner or author
 
-	if($sender['hash'] != $arr['owner_xchan'] && $sender['hash'] != $arr['author_xchan']) {
-		logger("process_delivery: sender {$sender['hash']} is not owner {$arr['owner_xchan']} or author {$arr['author_xchan']} - mid {$arr['mid']}");
-		return;
+	if(! $public) {
+		if($sender['hash'] != $arr['owner_xchan'] && $sender['hash'] != $arr['author_xchan']) {
+			logger("process_delivery: sender {$sender['hash']} is not owner {$arr['owner_xchan']} or author {$arr['author_xchan']} - mid {$arr['mid']}");
+			return;
+		}
 	}
 	
 	foreach($deliveries as $d) {
@@ -1394,7 +1396,7 @@ function process_delivery($sender,$arr,$deliveries,$relay) {
 			}
 		}
 
-		if((! perm_is_allowed($channel['channel_id'],$sender['hash'],$perm)) && (! $tag_delivery)) {
+		if((! perm_is_allowed($channel['channel_id'],$sender['hash'],$perm)) && (! $tag_delivery) && (! $public)) {
 			logger("permission denied for delivery {$channel['channel_id']}");
 			$result[] = array($d['hash'],'permission denied',$channel['channel_name'] . ' <' . $channel['channel_address'] . '@' . get_app()->get_hostname() . '>');
 			continue;
-- 
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