Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
function get_feed_for(&$a,$dfrn_id,$owner_id,$last_update) {
// default permissions - anonymous user
$sql_extra = " AND `allow_cid` = '' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = '' ";
if(strlen($owner_id) && ! intval($owner_id)) {
$r = q("SELECT `uid` FROM `user` WHERE `nickname` = '%s' LIMIT 1",
dbesc($owner_id)
);
if(count($r))
$owner_id = $r[0]['uid'];
}
$r = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
intval($owner_id)
);
if(count($r))
$owner = $r[0];
else
killme();
if($dfrn_id != '*') {
$r = q("SELECT * FROM `contact` WHERE `issued-id` = '%s' LIMIT 1",
dbesc($dfrn_id)
);
if(! count($r))
return false;
$contact = $r[0];
$groups = init_groups_visitor($contact['id']);
$gs = '<<>>'; // should be impossible to match
if(count($groups)) {
foreach($groups as $g)
$gs .= '|<' . intval($g) . '>';
}
$sql_extra = sprintf(
" AND ( `allow_cid` = '' OR `allow_cid` REGEXP '<%d>' )
AND ( `deny_cid` = '' OR NOT `deny_cid` REGEXP '<%d>' )
AND ( `allow_gid` = '' OR `allow_gid` REGEXP '%s' )
AND ( `deny_gid` = '' OR NOT `deny_gid` REGEXP '%s') ",
intval($contact['id']),
intval($contact['id']),
dbesc($gs),
dbesc($gs)
);
}
if(! strlen($last_update))
$last_update = 'now - 30 days';
$check_date = datetime_convert('UTC','UTC',$last_update,'Y-m-d H:i:s');
$r = q("SELECT `item`.*, `item`.`id` AS `item_id`,
`contact`.`name`, `contact`.`photo`, `contact`.`url`,
`contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
`contact`.`id` AS `contact-id`, `contact`.`uid` AS `contact-uid`
FROM `item` LEFT JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
WHERE `item`.`uid` = %d AND `item`.`visible` = 1 AND `item`.`deleted` = 0
AND `item`.`type` != 'remote' AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
AND `item`.`edited` > '%s'
$sql_extra
ORDER BY `parent` ASC, `created` ASC LIMIT 0, 300",
intval($owner_id),
dbesc($check_date)
);
if(! count($r))
killme();
$items = $r;
$feed_template = file_get_contents('view/atom_feed.tpl');
$tomb_template = file_get_contents('view/atom_tomb.tpl');
$item_template = file_get_contents('view/atom_item.tpl');
$cmnt_template = file_get_contents('view/atom_cmnt.tpl');
$atom = '';
$atom .= replace_macros($feed_template, array(
'$feed_id' => xmlify($a->get_baseurl()),
'$feed_title' => xmlify($owner['name']),
'$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , 'Y-m-d\TH:i:s\Z')) ,
'$name' => xmlify($owner['name']),
'$profile_page' => xmlify($owner['url']),
'$photo' => xmlify($owner['photo'])
));
foreach($items as $item) {
if($item['deleted']) {
$atom .= replace_macros($tomb_template, array(
'$id' => xmlify($item['uri']),
'$updated' => xmlify(datetime_convert('UTC', 'UTC', $item['edited'] . '+00:00' , 'Y-m-d\TH:i:s\Z'))
));
}
else {
if($item['parent'] == $item['id']) {
$atom .= replace_macros($item_template, array(
'$name' => xmlify($item['name']),
'$profile_page' => xmlify($item['url']),
'$thumb' => xmlify($item['thumb']),
'$owner_name' => xmlify($item['owner-name']),
'$owner_profile_page' => xmlify($item['owner-link']),
'$owner_thumb' => xmlify($item['owner-avatar']),
'$item_id' => xmlify($item['uri']),
'$title' => xmlify($item['name']),
'$published' => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , 'Y-m-d\TH:i:s\Z')),
'$updated' => xmlify(datetime_convert('UTC', 'UTC', $item['edited'] . '+00:00' , 'Y-m-d\TH:i:s\Z')),
'$content' =>xmlify($item['body']),
'$comment_allow' => (($item['last-child'] && strlen($contact['dfrn-id'])) ? 1 : 0)
));
}
else {
$atom .= replace_macros($cmnt_template, array(
'$name' => xmlify($item['name']),
'$profile_page' => xmlify($item['url']),
'$thumb' => xmlify($item['thumb']),
'$item_id' => xmlify($item['uri']),
'$title' => xmlify($item['title']),
'$published' => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , 'Y-m-d\TH:i:s\Z')),
'$updated' => xmlify(datetime_convert('UTC', 'UTC', $item['edited'] . '+00:00' , 'Y-m-d\TH:i:s\Z')),
'$content' =>xmlify($item['body']),
'$parent_id' => xmlify($item['parent-uri']),
'$comment_allow' => (($item['last-child']) ? 1 : 0)
));
}
}
}
$atom .= "</feed>\r\n";
return $atom;
}
function get_atom_elements($item) {
$res = array();
$author = $item->get_author();
$res['author-name'] = unxmlify($author->get_name());
$res['author-link'] = unxmlify($author->get_link());
$res['author-avatar'] = unxmlify($author->get_avatar());
$res['uri'] = unxmlify($item->get_id());
$res['title'] = unxmlify($item->get_title());
$res['body'] = unxmlify($item->get_content());
$maxlen = get_max_import_size();
if($maxlen && (strlen($res['body']) > $maxlen))
$res['body'] = substr($res['body'],0, $maxlen);
$allow = $item->get_item_tags('http://purl.org/macgirvin/dfrn/1.0','comment-allow');
if($allow && $allow[0]['data'] == 1)
$res['last-child'] = 1;
else
$res['last-child'] = 0;
$rawcreated = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'published');
if($rawcreated)
$res['created'] = unxmlify($rawcreated[0]['data']);
$rawedited = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'updated');
if($rawedited)
$res['edited'] = unxmlify($rawcreated[0]['data']);
$rawowner = $item->get_item_tags('http://purl.org/macgirvin/dfrn/1.0', 'owner');
if($rawowner[0]['child']['http://purl.org/macgirvin/dfrn/1.0']['name'][0]['data'])
$res['owner-name'] = unxmlify($rawowner[0]['child']['http://purl.org/macgirvin/dfrn/1.0']['name'][0]['data']);
if($rawowner[0]['child']['http://purl.org/macgirvin/dfrn/1.0']['uri'][0]['data'])
$res['owner-link'] = unxmlify($rawowner[0]['child']['http://purl.org/macgirvin/dfrn/1.0']['uri'][0]['data']);
if($rawowner[0]['child']['http://purl.org/macgirvin/dfrn/1.0']['avatar'][0]['data'])
$res['owner-avatar'] = unxmlify($rawowner[0]['child']['http://purl.org/macgirvin/dfrn/1.0']['avatar'][0]['data']);
return $res;
}
function post_remote($a,$arr) {
if(! x($arr,'type'))
$arr['type'] = 'remote';
$arr['uri'] = notags(trim($arr['uri']));
$arr['author-name'] = notags(trim($arr['author-name']));
$arr['author-link'] = notags(trim($arr['author-link']));
$arr['author-avatar'] = notags(trim($arr['author-avatar']));
$arr['owner-name'] = notags(trim($arr['owner-name']));
$arr['owner-link'] = notags(trim($arr['owner-link']));
$arr['owner-avatar'] = notags(trim($arr['owner-avatar']));
$arr['created'] = datetime_convert('UTC','UTC',$arr['created'],'Y-m-d H:i:s');
$arr['edited'] = datetime_convert('UTC','UTC',$arr['edited'],'Y-m-d H:i:s');
$arr['title'] = notags(trim($arr['title']));
$arr['body'] = escape_tags(trim($arr['body']));
$arr['last-child'] = intval($arr['last-child']);
$arr['visible'] = 1;
$arr['deleted'] = 0;
$arr['parent-uri'] = notags(trim($arr['parent-uri']));
$parent_id = 0;
dbesc_array($arr);
//dbg(3);
$r = q("INSERT INTO `item` (`"
. implode("`, `", array_keys($arr))
. "`) VALUES ('"
. implode("', '", array_values($arr))
. "')" );
$r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
dbesc($arr['parent-uri']),
intval($arr['uid'])
);
if(count($r))
$parent_id = $r[0]['id'];
else {
// if parent is missing, what do we do?
}
$r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
$arr['uri'],
intval($arr['uid'])
);
if(count($r))
$current_post = $r[0]['id'];
$r = q("UPDATE `item` SET `parent` = %d WHERE `id` = %d LIMIT 1",
intval($parent_id),
intval($current_post)
);
return $current_post;
}