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friendica
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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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friendica/include/items.php

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<?php
require_once('include/bbcode.php');
require_once('include/oembed.php');
require_once('include/salmon.php');
require_once('include/crypto.php');
require_once('include/Photo.php');
require_once('include/tags.php');
require_once('include/files.php');
require_once('include/text.php');
require_once('include/email.php');
require_once('include/ostatus_conversation.php');
require_once('include/threads.php');
require_once('include/socgraph.php');
require_once('mod/share.php');
function get_feed_for(&$a, $dfrn_id, $owner_nick, $last_update, $direction = 0) {
$sitefeed = ((strlen($owner_nick)) ? false : true); // not yet implemented, need to rewrite huge chunks of following logic
$public_feed = (($dfrn_id) ? false : true);
$starred = false; // not yet implemented, possible security issues
$converse = false;
if($public_feed && $a->argc > 2) {
for($x = 2; $x < $a->argc; $x++) {
if($a->argv[$x] == 'converse')
$converse = true;
if($a->argv[$x] == 'starred')
$starred = true;
if($a->argv[$x] === 'category' && $a->argc > ($x + 1) && strlen($a->argv[$x+1]))
$category = $a->argv[$x+1];
}
}
// default permissions - anonymous user
$sql_extra = " AND `allow_cid` = '' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = '' ";
$r = q("SELECT `contact`.*, `user`.`uid` AS `user_uid`, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`
FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
WHERE `contact`.`self` = 1 AND `user`.`nickname` = '%s' LIMIT 1",
dbesc($owner_nick)
);
if(! count($r))
killme();
$owner = $r[0];
$owner_id = $owner['user_uid'];
$owner_nick = $owner['nickname'];
$birthday = feed_birthday($owner_id,$owner['timezone']);
$sql_post_table = "";
if(! $public_feed) {
$sql_extra = '';
switch($direction) {
case (-1):
$sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
$my_id = $dfrn_id;
break;
case 0:
$sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
$my_id = '1:' . $dfrn_id;
break;
case 1:
$sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
$my_id = '0:' . $dfrn_id;
break;
default:
return false;
break; // NOTREACHED
}
$r = q("SELECT * FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `contact`.`uid` = %d $sql_extra LIMIT 1",
intval($owner_id)
);
if(! count($r))
killme();
$contact = $r[0];
require_once('include/security.php');
$groups = init_groups_visitor($contact['id']);
if(count($groups)) {
for($x = 0; $x < count($groups); $x ++)
$groups[$x] = '<' . intval($groups[$x]) . '>' ;
$gs = implode('|', $groups);
}
else
$gs = '<<>>' ; // Impossible to match
$sql_extra = sprintf("
AND ( `allow_cid` = '' OR `allow_cid` REGEXP '<%d>' )
AND ( `deny_cid` = '' OR NOT `deny_cid` REGEXP '<%d>' )
AND ( `allow_gid` = '' OR `allow_gid` REGEXP '%s' )
AND ( `deny_gid` = '' OR NOT `deny_gid` REGEXP '%s')
",
intval($contact['id']),
intval($contact['id']),
dbesc($gs),
dbesc($gs)
);
}
if($public_feed)
$sort = 'DESC';
else
$sort = 'ASC';
if(! strlen($last_update))
$last_update = 'now -30 days';
if(isset($category)) {
$sql_post_table = sprintf("INNER JOIN (SELECT `oid` FROM `term` WHERE `term` = '%s' AND `otype` = %d AND `type` = %d AND `uid` = %d ORDER BY `tid` DESC) AS `term` ON `item`.`id` = `term`.`oid` ",
dbesc(protect_sprintf($category)), intval(TERM_OBJ_POST), intval(TERM_CATEGORY), intval($owner_id));
//$sql_extra .= file_tag_file_query('item',$category,'category');
}
if($public_feed) {
if(! $converse)
$sql_extra .= " AND `contact`.`self` = 1 ";
}
$check_date = datetime_convert('UTC','UTC',$last_update,'Y-m-d H:i:s');
// AND ( `item`.`edited` > '%s' OR `item`.`changed` > '%s' )
// dbesc($check_date),
$r = q("SELECT `item`.*, `item`.`id` AS `item_id`,
`contact`.`name`, `contact`.`network`, `contact`.`photo`, `contact`.`url`,
`contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
`contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
`contact`.`id` AS `contact-id`, `contact`.`uid` AS `contact-uid`,
`sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
FROM `item` $sql_post_table
INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`
WHERE `item`.`uid` = %d AND `item`.`visible` = 1 and `item`.`moderated` = 0 AND `item`.`parent` != 0
AND `item`.`wall` = 1 AND `item`.`changed` > '%s'
$sql_extra
ORDER BY `parent` %s, `created` ASC LIMIT 0, 300",
intval($owner_id),
dbesc($check_date),
dbesc($sort)
);
// Will check further below if this actually returned results.
// We will provide an empty feed if that is the case.
$items = $r;
$feed_template = get_markup_template(($dfrn_id) ? 'atom_feed_dfrn.tpl' : 'atom_feed.tpl');
$atom = '';
$hubxml = feed_hublinks();
$salmon = feed_salmonlinks($owner_nick);
$alternatelink = $owner['url'];
if(isset($category))
$alternatelink .= "/category/".$category;
$atom .= replace_macros($feed_template, array(
'$version' => xmlify(FRIENDICA_VERSION),
'$feed_id' => xmlify($a->get_baseurl() . '/profile/' . $owner_nick),
'$feed_title' => xmlify($owner['name']),
'$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', 'now' , ATOM_TIME)) ,
'$hub' => $hubxml,
'$salmon' => $salmon,
'$alternatelink' => xmlify($alternatelink),
'$name' => xmlify($owner['name']),
'$profile_page' => xmlify($owner['url']),
'$photo' => xmlify($owner['photo']),
'$thumb' => xmlify($owner['thumb']),
'$picdate' => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
'$uridate' => xmlify(datetime_convert('UTC','UTC',$owner['uri-date'] . '+00:00' , ATOM_TIME)) ,
'$namdate' => xmlify(datetime_convert('UTC','UTC',$owner['name-date'] . '+00:00' , ATOM_TIME)) ,
'$birthday' => ((strlen($birthday)) ? '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>' : ''),
'$community' => (($owner['page-flags'] == PAGE_COMMUNITY) ? '<dfrn:community>1</dfrn:community>' : '')
));
call_hooks('atom_feed', $atom);
if(! count($items)) {
call_hooks('atom_feed_end', $atom);
$atom .= '</feed>' . "\r\n";
return $atom;
}
foreach($items as $item) {
// prevent private email from leaking.
if($item['network'] === NETWORK_MAIL)
continue;
// public feeds get html, our own nodes use bbcode
if($public_feed) {
$type = 'html';
// catch any email that's in a public conversation and make sure it doesn't leak
if($item['private'])
continue;
}
else {
$type = 'text';
}
$atom .= atom_entry($item,$type,null,$owner,true);
}
call_hooks('atom_feed_end', $atom);
$atom .= '</feed>' . "\r\n";
return $atom;
}
function construct_verb($item) {
if($item['verb'])
return $item['verb'];
return ACTIVITY_POST;
}
function construct_activity_object($item) {
if($item['object']) {
$o = '<as:object>' . "\r\n";
$r = parse_xml_string($item['object'],false);
if(! $r)
return '';
if($r->type)
$o .= '<as:object-type>' . xmlify($r->type) . '</as:object-type>' . "\r\n";
if($r->id)
$o .= '<id>' . xmlify($r->id) . '</id>' . "\r\n";
if($r->title)
$o .= '<title>' . xmlify($r->title) . '</title>' . "\r\n";
if($r->link) {
if(substr($r->link,0,1) === '<') {
// patch up some facebook "like" activity objects that got stored incorrectly
// for a couple of months prior to 9-Jun-2011 and generated bad XML.
// we can probably remove this hack here and in the following function in a few months time.
if(strstr($r->link,'&') && (! strstr($r->link,'&amp;')))
$r->link = str_replace('&','&amp;', $r->link);
$r->link = preg_replace('/\<link(.*?)\"\>/','<link$1"/>',$r->link);
$o .= $r->link;
}
else
$o .= '<link rel="alternate" type="text/html" href="' . xmlify($r->link) . '" />' . "\r\n";
}
if($r->content)
$o .= '<content type="html" >' . xmlify(bbcode($r->content)) . '</content>' . "\r\n";
$o .= '</as:object>' . "\r\n";
return $o;
}
return '';
}
function construct_activity_target($item) {
if($item['target']) {
$o = '<as:target>' . "\r\n";
$r = parse_xml_string($item['target'],false);
if(! $r)
return '';
if($r->type)
$o .= '<as:object-type>' . xmlify($r->type) . '</as:object-type>' . "\r\n";
if($r->id)
$o .= '<id>' . xmlify($r->id) . '</id>' . "\r\n";
if($r->title)
$o .= '<title>' . xmlify($r->title) . '</title>' . "\r\n";
if($r->link) {
if(substr($r->link,0,1) === '<') {
if(strstr($r->link,'&') && (! strstr($r->link,'&amp;')))
$r->link = str_replace('&','&amp;', $r->link);
$r->link = preg_replace('/\<link(.*?)\"\>/','<link$1"/>',$r->link);
$o .= $r->link;
}
else
$o .= '<link rel="alternate" type="text/html" href="' . xmlify($r->link) . '" />' . "\r\n";
}
if($r->content)
$o .= '<content type="html" >' . xmlify(bbcode($r->content)) . '</content>' . "\r\n";
$o .= '</as:target>' . "\r\n";
return $o;
}
return '';
}
/* limit_body_size()
*
* The purpose of this function is to apply system message length limits to
* imported messages without including any embedded photos in the length
*/
if(! function_exists('limit_body_size')) {
function limit_body_size($body) {
// logger('limit_body_size: start', LOGGER_DEBUG);
$maxlen = get_max_import_size();
// If the length of the body, including the embedded images, is smaller
// than the maximum, then don't waste time looking for the images
if($maxlen && (strlen($body) > $maxlen)) {
logger('limit_body_size: the total body length exceeds the limit', LOGGER_DEBUG);
$orig_body = $body;
$new_body = '';
$textlen = 0;
$max_found = false;
$img_start = strpos($orig_body, '[img');
$img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
$img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
while(($img_st_close !== false) && ($img_end !== false)) {
$img_st_close++; // make it point to AFTER the closing bracket
$img_end += $img_start;
$img_end += strlen('[/img]');
if(! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
// This is an embedded image
if( ($textlen + $img_start) > $maxlen ) {
if($textlen < $maxlen) {
logger('limit_body_size: the limit happens before an embedded image', LOGGER_DEBUG);
$new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
$textlen = $maxlen;
}
}
else {
$new_body = $new_body . substr($orig_body, 0, $img_start);
$textlen += $img_start;
}
$new_body = $new_body . substr($orig_body, $img_start, $img_end - $img_start);
}
else {
if( ($textlen + $img_end) > $maxlen ) {
if($textlen < $maxlen) {
logger('limit_body_size: the limit happens before the end of a non-embedded image', LOGGER_DEBUG);
$new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
$textlen = $maxlen;
}
}
else {
$new_body = $new_body . substr($orig_body, 0, $img_end);
$textlen += $img_end;
}
}
$orig_body = substr($orig_body, $img_end);
if($orig_body === false) // in case the body ends on a closing image tag
$orig_body = '';
$img_start = strpos($orig_body, '[img');
$img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
$img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
}
if( ($textlen + strlen($orig_body)) > $maxlen) {
if($textlen < $maxlen) {
logger('limit_body_size: the limit happens after the end of the last image', LOGGER_DEBUG);
$new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
$textlen = $maxlen;
}
}
else {
logger('limit_body_size: the text size with embedded images extracted did not violate the limit', LOGGER_DEBUG);
$new_body = $new_body . $orig_body;
$textlen += strlen($orig_body);
}
return $new_body;
}
else
return $body;
}}
function title_is_body($title, $body) {
$title = strip_tags($title);
$title = trim($title);
$title = html_entity_decode($title, ENT_QUOTES, 'UTF-8');
$title = str_replace(array("\n", "\r", "\t", " "), array("","","",""), $title);
$body = strip_tags($body);
$body = trim($body);
$body = html_entity_decode($body, ENT_QUOTES, 'UTF-8');
$body = str_replace(array("\n", "\r", "\t", " "), array("","","",""), $body);
if (strlen($title) < strlen($body))
$body = substr($body, 0, strlen($title));
if (($title != $body) and (substr($title, -3) == "...")) {
$pos = strrpos($title, "...");
if ($pos > 0) {
$title = substr($title, 0, $pos);
$body = substr($body, 0, $pos);
}
}
return($title == $body);
}
function get_atom_elements($feed, $item, $contact = array()) {
require_once('library/HTMLPurifier.auto.php');
require_once('include/html2bbcode.php');
$best_photo = array();
$res = array();
$author = $item->get_author();
if($author) {
$res['author-name'] = unxmlify($author->get_name());
$res['author-link'] = unxmlify($author->get_link());
}
else {
$res['author-name'] = unxmlify($feed->get_title());
$res['author-link'] = unxmlify($feed->get_permalink());
}
$res['uri'] = unxmlify($item->get_id());
$res['title'] = unxmlify($item->get_title());
$res['body'] = unxmlify($item->get_content());
$res['plink'] = unxmlify($item->get_link(0));
if (isset($contact["network"]) AND ($contact["network"] == NETWORK_FEED) AND strstr($res['plink'], ".app.net/")) {
logger("get_atom_elements: detected app.net posting: ".print_r($res, true), LOGGER_DEBUG);
$res['title'] = "";
$res['body'] = nl2br($res['body']);
}
// removing the content of the title if its identically to the body
// This helps with auto generated titles e.g. from tumblr
if (title_is_body($res["title"], $res["body"]))
$res['title'] = "";
if($res['plink'])
$base_url = implode('/', array_slice(explode('/',$res['plink']),0,3));
else
$base_url = '';
// look for a photo. We should check media size and find the best one,
// but for now let's just find any author photo
$rawauthor = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'author');
if($rawauthor && $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) {
$base = $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
foreach($base as $link) {
if(!x($res, 'author-avatar') || !$res['author-avatar']) {
if($link['attribs']['']['rel'] === 'photo' || $link['attribs']['']['rel'] === 'avatar')
$res['author-avatar'] = unxmlify($link['attribs']['']['href']);
}
}
}
$rawactor = $item->get_item_tags(NAMESPACE_ACTIVITY, 'actor');
if($rawactor && activity_match($rawactor[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'],ACTIVITY_OBJ_PERSON)) {
$base = $rawactor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
if($base && count($base)) {
foreach($base as $link) {
if($link['attribs']['']['rel'] === 'alternate' && (! $res['author-link']))
$res['author-link'] = unxmlify($link['attribs']['']['href']);
if(!x($res, 'author-avatar') || !$res['author-avatar']) {
if($link['attribs']['']['rel'] === 'avatar' || $link['attribs']['']['rel'] === 'photo')
$res['author-avatar'] = unxmlify($link['attribs']['']['href']);
}
}
}
}
// No photo/profile-link on the item - look at the feed level
if((! (x($res,'author-link'))) || (! (x($res,'author-avatar')))) {
$rawauthor = $feed->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'author');
if($rawauthor && $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) {
$base = $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
foreach($base as $link) {
if($link['attribs']['']['rel'] === 'alternate' && (! $res['author-link']))
$res['author-link'] = unxmlify($link['attribs']['']['href']);
if(! $res['author-avatar']) {
if($link['attribs']['']['rel'] === 'photo' || $link['attribs']['']['rel'] === 'avatar')
$res['author-avatar'] = unxmlify($link['attribs']['']['href']);
}
}
}
$rawactor = $feed->get_feed_tags(NAMESPACE_ACTIVITY, 'subject');
if($rawactor && activity_match($rawactor[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'],ACTIVITY_OBJ_PERSON)) {
$base = $rawactor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
if($base && count($base)) {
foreach($base as $link) {
if($link['attribs']['']['rel'] === 'alternate' && (! $res['author-link']))
$res['author-link'] = unxmlify($link['attribs']['']['href']);
if(! (x($res,'author-avatar'))) {
if($link['attribs']['']['rel'] === 'avatar' || $link['attribs']['']['rel'] === 'photo')
$res['author-avatar'] = unxmlify($link['attribs']['']['href']);
}
}
}
}
}
$apps = $item->get_item_tags(NAMESPACE_STATUSNET,'notice_info');
if($apps && $apps[0]['attribs']['']['source']) {
$res['app'] = strip_tags(unxmlify($apps[0]['attribs']['']['source']));
if($res['app'] === 'web')
$res['app'] = 'OStatus';
}
// base64 encoded json structure representing Diaspora signature
$dsig = $item->get_item_tags(NAMESPACE_DFRN,'diaspora_signature');
if($dsig) {
$res['dsprsig'] = unxmlify($dsig[0]['data']);
}
$dguid = $item->get_item_tags(NAMESPACE_DFRN,'diaspora_guid');
if($dguid)
$res['guid'] = unxmlify($dguid[0]['data']);
$bm = $item->get_item_tags(NAMESPACE_DFRN,'bookmark');
if($bm)
$res['bookmark'] = ((unxmlify($bm[0]['data']) === 'true') ? 1 : 0);
/**
* If there's a copy of the body content which is guaranteed to have survived mangling in transit, use it.
*/
$have_real_body = false;
$rawenv = $item->get_item_tags(NAMESPACE_DFRN, 'env');
if($rawenv) {
$have_real_body = true;
$res['body'] = $rawenv[0]['data'];
$res['body'] = str_replace(array(' ',"\t","\r","\n"), array('','','',''),$res['body']);
// make sure nobody is trying to sneak some html tags by us
$res['body'] = notags(base64url_decode($res['body']));
}
$res['body'] = limit_body_size($res['body']);
// It isn't certain at this point whether our content is plaintext or html and we'd be foolish to trust
// the content type. Our own network only emits text normally, though it might have been converted to
// html if we used a pubsubhubbub transport. But if we see even one html tag in our text, we will
// have to assume it is all html and needs to be purified.
// It doesn't matter all that much security wise - because before this content is used anywhere, we are
// going to escape any tags we find regardless, but this lets us import a limited subset of html from
// the wild, by sanitising it and converting supported tags to bbcode before we rip out any remaining
// html.
if((strpos($res['body'],'<') !== false) && (strpos($res['body'],'>') !== false)) {
$res['body'] = reltoabs($res['body'],$base_url);
$res['body'] = html2bb_video($res['body']);
$res['body'] = oembed_html2bbcode($res['body']);
$config = HTMLPurifier_Config::createDefault();
$config->set('Cache.DefinitionImpl', null);
// we shouldn't need a whitelist, because the bbcode converter
// will strip out any unsupported tags.
$purifier = new HTMLPurifier($config);
$res['body'] = $purifier->purify($res['body']);
$res['body'] = @html2bbcode($res['body']);
}
elseif(! $have_real_body) {
// it's not one of our messages and it has no tags
// so it's probably just text. We'll escape it just to be safe.
$res['body'] = escape_tags($res['body']);
}
// this tag is obsolete but we keep it for really old sites
$allow = $item->get_item_tags(NAMESPACE_DFRN,'comment-allow');
if($allow && $allow[0]['data'] == 1)
$res['last-child'] = 1;
else
$res['last-child'] = 0;
$private = $item->get_item_tags(NAMESPACE_DFRN,'private');
if($private && intval($private[0]['data']) > 0)
$res['private'] = intval($private[0]['data']);
else
$res['private'] = 0;
$extid = $item->get_item_tags(NAMESPACE_DFRN,'extid');
if($extid && $extid[0]['data'])
$res['extid'] = $extid[0]['data'];
$rawlocation = $item->get_item_tags(NAMESPACE_DFRN, 'location');
if($rawlocation)
$res['location'] = unxmlify($rawlocation[0]['data']);
$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)
$res['edited'] = unxmlify($rawedited[0]['data']);
if((x($res,'edited')) && (! (x($res,'created'))))
$res['created'] = $res['edited'];
if(! $res['created'])
$res['created'] = $item->get_date('c');
if(! $res['edited'])
$res['edited'] = $item->get_date('c');
// Disallow time travelling posts
$d1 = strtotime($res['created']);
$d2 = strtotime($res['edited']);
$d3 = strtotime('now');
if($d1 > $d3)
$res['created'] = datetime_convert();
if($d2 > $d3)
$res['edited'] = datetime_convert();
$rawowner = $item->get_item_tags(NAMESPACE_DFRN, 'owner');
if($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])
$res['owner-name'] = unxmlify($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']);
elseif($rawowner[0]['child'][NAMESPACE_DFRN]['name'][0]['data'])
$res['owner-name'] = unxmlify($rawowner[0]['child'][NAMESPACE_DFRN]['name'][0]['data']);
if($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])
$res['owner-link'] = unxmlify($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']);
elseif($rawowner[0]['child'][NAMESPACE_DFRN]['uri'][0]['data'])
$res['owner-link'] = unxmlify($rawowner[0]['child'][NAMESPACE_DFRN]['uri'][0]['data']);
if($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) {
$base = $rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
foreach($base as $link) {
if(!x($res, 'owner-avatar') || !$res['owner-avatar']) {
if($link['attribs']['']['rel'] === 'photo' || $link['attribs']['']['rel'] === 'avatar')
$res['owner-avatar'] = unxmlify($link['attribs']['']['href']);
}
}
}
$rawgeo = $item->get_item_tags(NAMESPACE_GEORSS,'point');
if($rawgeo)
$res['coord'] = unxmlify($rawgeo[0]['data']);
if ($contact["network"] == NETWORK_FEED) {
$res['verb'] = ACTIVITY_POST;
$res['object-type'] = ACTIVITY_OBJ_NOTE;
}
$rawverb = $item->get_item_tags(NAMESPACE_ACTIVITY, 'verb');
// select between supported verbs
if($rawverb) {
$res['verb'] = unxmlify($rawverb[0]['data']);
}
// translate OStatus unfollow to activity streams if it happened to get selected
if((x($res,'verb')) && ($res['verb'] === 'http://ostatus.org/schema/1.0/unfollow'))
$res['verb'] = ACTIVITY_UNFOLLOW;
$cats = $item->get_categories();
if($cats) {
$tag_arr = array();
foreach($cats as $cat) {
$term = $cat->get_term();
if(! $term)
$term = $cat->get_label();
$scheme = $cat->get_scheme();
if($scheme && $term && stristr($scheme,'X-DFRN:'))
$tag_arr[] = substr($scheme,7,1) . '[url=' . unxmlify(substr($scheme,9)) . ']' . unxmlify($term) . '[/url]';
elseif($term)
$tag_arr[] = notags(trim($term));
}
$res['tag'] = implode(',', $tag_arr);
}
$attach = $item->get_enclosures();
if($attach) {
$att_arr = array();
foreach($attach as $att) {
$len = intval($att->get_length());
$link = str_replace(array(',','"'),array('%2D','%22'),notags(trim(unxmlify($att->get_link()))));
$title = str_replace(array(',','"'),array('%2D','%22'),notags(trim(unxmlify($att->get_title()))));
$type = str_replace(array(',','"'),array('%2D','%22'),notags(trim(unxmlify($att->get_type()))));
if(strpos($type,';'))
$type = substr($type,0,strpos($type,';'));
if((! $link) || (strpos($link,'http') !== 0))
continue;
if(! $title)
$title = ' ';
if(! $type)
$type = 'application/octet-stream';
$att_arr[] = '[attach]href="' . $link . '" length="' . $len . '" type="' . $type . '" title="' . $title . '"[/attach]';
}
$res['attach'] = implode(',', $att_arr);
}
$rawobj = $item->get_item_tags(NAMESPACE_ACTIVITY, 'object');
if($rawobj) {
$res['object'] = '<object>' . "\n";
$child = $rawobj[0]['child'];
if($child[NAMESPACE_ACTIVITY]['object-type'][0]['data']) {
$res['object-type'] = $child[NAMESPACE_ACTIVITY]['object-type'][0]['data'];
$res['object'] .= '<type>' . $child[NAMESPACE_ACTIVITY]['object-type'][0]['data'] . '</type>' . "\n";
}
if(x($child[SIMPLEPIE_NAMESPACE_ATOM_10], 'id') && $child[SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'])
$res['object'] .= '<id>' . $child[SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'] . '</id>' . "\n";
if(x($child[SIMPLEPIE_NAMESPACE_ATOM_10], 'link') && $child[SIMPLEPIE_NAMESPACE_ATOM_10]['link'])
$res['object'] .= '<link>' . encode_rel_links($child[SIMPLEPIE_NAMESPACE_ATOM_10]['link']) . '</link>' . "\n";
if(x($child[SIMPLEPIE_NAMESPACE_ATOM_10], 'title') && $child[SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data'])
$res['object'] .= '<title>' . $child[SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data'] . '</title>' . "\n";
if(x($child[SIMPLEPIE_NAMESPACE_ATOM_10], 'content') && $child[SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data']) {
$body = $child[SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data'];
if(! $body)
$body = $child[SIMPLEPIE_NAMESPACE_ATOM_10]['summary'][0]['data'];
// preserve a copy of the original body content in case we later need to parse out any microformat information, e.g. events
$res['object'] .= '<orig>' . xmlify($body) . '</orig>' . "\n";
if((strpos($body,'<') !== false) || (strpos($body,'>') !== false)) {
$body = html2bb_video($body);
$config = HTMLPurifier_Config::createDefault();
$config->set('Cache.DefinitionImpl', null);
$purifier = new HTMLPurifier($config);
$body = $purifier->purify($body);
$body = html2bbcode($body);
}
$res['object'] .= '<content>' . $body . '</content>' . "\n";
}
$res['object'] .= '</object>' . "\n";
}
$rawobj = $item->get_item_tags(NAMESPACE_ACTIVITY, 'target');
if($rawobj) {
$res['target'] = '<target>' . "\n";
$child = $rawobj[0]['child'];
if($child[NAMESPACE_ACTIVITY]['object-type'][0]['data']) {
$res['target'] .= '<type>' . $child[NAMESPACE_ACTIVITY]['object-type'][0]['data'] . '</type>' . "\n";
}
if(x($child[SIMPLEPIE_NAMESPACE_ATOM_10], 'id') && $child[SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'])
$res['target'] .= '<id>' . $child[SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'] . '</id>' . "\n";
if(x($child[SIMPLEPIE_NAMESPACE_ATOM_10], 'link') && $child[SIMPLEPIE_NAMESPACE_ATOM_10]['link'])
$res['target'] .= '<link>' . encode_rel_links($child[SIMPLEPIE_NAMESPACE_ATOM_10]['link']) . '</link>' . "\n";
if(x($child[SIMPLEPIE_NAMESPACE_ATOM_10], 'data') && $child[SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data'])
$res['target'] .= '<title>' . $child[SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data'] . '</title>' . "\n";
if(x($child[SIMPLEPIE_NAMESPACE_ATOM_10], 'data') && $child[SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data']) {
$body = $child[SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data'];
if(! $body)
$body = $child[SIMPLEPIE_NAMESPACE_ATOM_10]['summary'][0]['data'];
// preserve a copy of the original body content in case we later need to parse out any microformat information, e.g. events
$res['target'] .= '<orig>' . xmlify($body) . '</orig>' . "\n";
if((strpos($body,'<') !== false) || (strpos($body,'>') !== false)) {
$body = html2bb_video($body);
$config = HTMLPurifier_Config::createDefault();
$config->set('Cache.DefinitionImpl', null);
$purifier = new HTMLPurifier($config);
$body = $purifier->purify($body);
$body = html2bbcode($body);
}
$res['target'] .= '<content>' . $body . '</content>' . "\n";
}
$res['target'] .= '</target>' . "\n";
}
// This is some experimental stuff. By now retweets are shown with "RT:"
// But: There is data so that the message could be shown similar to native retweets
// There is some better way to parse this array - but it didn't worked for me.
$child = $item->feed->data["child"][SIMPLEPIE_NAMESPACE_ATOM_10]["feed"][0]["child"][SIMPLEPIE_NAMESPACE_ATOM_10]["entry"][0]["child"]["http://activitystrea.ms/spec/1.0/"][object][0]["child"];
if (is_array($child)) {
logger('get_atom_elements: Looking for status.net repeated message');
$message = $child["http://activitystrea.ms/spec/1.0/"]["object"][0]["child"][SIMPLEPIE_NAMESPACE_ATOM_10]["content"][0]["data"];
$orig_uri = $child["http://activitystrea.ms/spec/1.0/"]["object"][0]["child"][SIMPLEPIE_NAMESPACE_ATOM_10]["id"][0]["data"];
$author = $child[SIMPLEPIE_NAMESPACE_ATOM_10]["author"][0]["child"][SIMPLEPIE_NAMESPACE_ATOM_10];
$uri = $author["uri"][0]["data"];
$name = $author["name"][0]["data"];
$avatar = @array_shift($author["link"][2]["attribs"]);
$avatar = $avatar["href"];
if (($name != "") and ($uri != "") and ($avatar != "") and ($message != "")) {
logger('get_atom_elements: fixing sender of repeated message.');
if (!intval(get_config('system','wall-to-wall_share'))) {
$prefix = share_header($name, $uri, $avatar, "", "", $orig_uri);
$res["body"] = $prefix.html2bbcode($message)."[/share]";
} else {
$res["owner-name"] = $res["author-name"];
$res["owner-link"] = $res["author-link"];
$res["owner-avatar"] = $res["author-avatar"];
$res["author-name"] = $name;
$res["author-link"] = $uri;
$res["author-avatar"] = $avatar;
$res["body"] = html2bbcode($message);
}
}
}
// Search for ostatus conversation url
$links = $item->feed->data["child"][SIMPLEPIE_NAMESPACE_ATOM_10]["feed"][0]["child"][SIMPLEPIE_NAMESPACE_ATOM_10]["entry"][0]["child"]["http://www.w3.org/2005/Atom"]["link"];
if (is_array($links)) {
foreach ($links as $link) {
$conversation = array_shift($link["attribs"]);
if ($conversation["rel"] == "ostatus:conversation") {
$res["ostatus_conversation"] = $conversation["href"];
logger('get_atom_elements: found conversation url '.$res["ostatus_conversation"]);
}
};
}
if (isset($contact["network"]) AND ($contact["network"] == NETWORK_FEED) AND $contact['fetch_further_information']) {
$preview = "";
// Handle enclosures and treat them as preview picture
if (isset($attach))
foreach ($attach AS $attachment)
if ($attachment->type == "image/jpeg")
$preview = $attachment->link;
$res["body"] = $res["title"].add_page_info($res['plink'], false, $preview, ($contact['fetch_further_information'] == 2), $contact['ffi_keyword_blacklist']);
$res["tag"] = add_page_keywords($res['plink'], false, $preview, ($contact['fetch_further_information'] == 2), $contact['ffi_keyword_blacklist']);
$res["title"] = "";
$res["object-type"] = ACTIVITY_OBJ_BOOKMARK;
unset($res["attach"]);
} elseif (isset($contact["network"]) AND ($contact["network"] == NETWORK_OSTATUS))
$res["body"] = add_page_info_to_body($res["body"]);
elseif (isset($contact["network"]) AND ($contact["network"] == NETWORK_FEED) AND strstr($res['plink'], ".app.net/")) {
$res["body"] = add_page_info_to_body($res["body"]);
}
$arr = array('feed' => $feed, 'item' => $item, 'result' => $res);
call_hooks('parse_atom', $arr);
return $res;
}
function add_page_info_data($data) {
call_hooks('page_info_data', $data);
// It maybe is a rich content, but if it does have everything that a link has,
// then treat it that way
if (($data["type"] == "rich") AND is_string($data["title"]) AND
is_string($data["text"]) AND (sizeof($data["images"]) > 0))
$data["type"] = "link";
if ((($data["type"] != "link") AND ($data["type"] != "video") AND ($data["type"] != "photo")) OR ($data["title"] == $url))
return("");
if ($no_photos AND ($data["type"] == "photo"))
return("");
// If the link contains BBCode stuff, make a short link out of this to avoid parsing problems
if (strpos($data["url"], '[') OR strpos($data["url"], ']')) {
require_once("include/network.php");
$data["url"] = short_link($data["url"]);
}
if (($data["type"] != "photo") AND is_string($data["title"]))
$text .= "[bookmark=".$data["url"]."]".trim($data["title"])."[/bookmark]";
if (($data["type"] != "video") AND ($photo != ""))
$text .= '[img]'.$photo.'[/img]';
elseif (($data["type"] != "video") AND (sizeof($data["images"]) > 0)) {
$imagedata = $data["images"][0];
$text .= '[img]'.$imagedata["src"].'[/img]';
}
if (($data["type"] != "photo") AND is_string($data["text"]))
$text .= "[quote]".$data["text"]."[/quote]";
$hashtags = "";
if (isset($data["keywords"]) AND count($data["keywords"])) {
$a = get_app();
$hashtags = "\n";
foreach ($data["keywords"] AS $keyword) {
$hashtag = str_replace(array(" ", "+", "/", ".", "#", "'"),
array("","", "", "", "", ""), $keyword);
$hashtags .= "#[url=".$a->get_baseurl()."/search?tag=".rawurlencode($hashtag)."]".$hashtag."[/url] ";
}
}
return("\n[class=type-".$data["type"]."]".$text."[/class]".$hashtags);
}
function query_page_info($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
require_once("mod/parse_url.php");
$data = Cache::get("parse_url:".$url);
if (is_null($data)){
$data = parseurl_getsiteinfo($url, true);
Cache::set("parse_url:".$url,serialize($data));
} else
$data = unserialize($data);
if ($photo != "")
$data["images"][0]["src"] = $photo;
logger('fetch page info for '.$url.' '.print_r($data, true), LOGGER_DEBUG);
if (!$keywords AND isset($data["keywords"]))
unset($data["keywords"]);
if (($keyword_blacklist != "") AND isset($data["keywords"])) {
$list = explode(",", $keyword_blacklist);
foreach ($list AS $keyword) {
$keyword = trim($keyword);
$index = array_search($keyword, $data["keywords"]);
if ($index !== false)
unset($data["keywords"][$index]);
}
}
return($data);
}
function add_page_keywords($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
$data = query_page_info($url, $no_photos, $photo, $keywords, $keyword_blacklist);
$tags = "";
if (isset($data["keywords"]) AND count($data["keywords"])) {
$a = get_app();
foreach ($data["keywords"] AS $keyword) {
$hashtag = str_replace(array(" ", "+", "/", ".", "#", "'"),
array("","", "", "", "", ""), $keyword);
if ($tags != "")
$tags .= ",";
$tags .= "#[url=".$a->get_baseurl()."/search?tag=".rawurlencode($hashtag)."]".$hashtag."[/url]";
}
}
return($tags);
}
function add_page_info($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
$data = query_page_info($url, $no_photos, $photo, $keywords, $keyword_blacklist);
$text = add_page_info_data($data);
return($text);
}
function add_page_info_to_body($body, $texturl = false, $no_photos = false) {
logger('add_page_info_to_body: fetch page info for body '.$body, LOGGER_DEBUG);
$URLSearchString = "^\[\]";
// Adding these spaces is a quick hack due to my problems with regular expressions :)
preg_match("/[^!#@]\[url\]([$URLSearchString]*)\[\/url\]/ism", " ".$body, $matches);
if (!$matches)
preg_match("/[^!#@]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", " ".$body, $matches);
// Convert urls without bbcode elements
if (!$matches AND $texturl) {
preg_match("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", " ".$body, $matches);
// Yeah, a hack. I really hate regular expressions :)
if ($matches)
$matches[1] = $matches[2];
}
if ($matches)
$footer = add_page_info($matches[1], $no_photos);
// Remove the link from the body if the link is attached at the end of the post
if (isset($footer) AND (trim($footer) != "") AND (strpos($footer, $matches[1]))) {
$removedlink = trim(str_replace($matches[1], "", $body));
if (($removedlink == "") OR strstr($body, $removedlink))
$body = $removedlink;
$url = str_replace(array('/', '.'), array('\/', '\.'), $matches[1]);
$removedlink = preg_replace("/\[url\=".$url."\](.*?)\[\/url\]/ism", '', $body);
if (($removedlink == "") OR strstr($body, $removedlink))
$body = $removedlink;
}
// Add the page information to the bottom
if (isset($footer) AND (trim($footer) != ""))
$body .= $footer;
return $body;
}
function encode_rel_links($links) {
$o = '';
if(! ((is_array($links)) && (count($links))))
return $o;
foreach($links as $link) {
$o .= '<link ';
if($link['attribs']['']['rel'])
$o .= 'rel="' . $link['attribs']['']['rel'] . '" ';
if($link['attribs']['']['type'])
$o .= 'type="' . $link['attribs']['']['type'] . '" ';
if($link['attribs']['']['href'])
$o .= 'href="' . $link['attribs']['']['href'] . '" ';
if( (x($link['attribs'],NAMESPACE_MEDIA)) && $link['attribs'][NAMESPACE_MEDIA]['width'])
$o .= 'media:width="' . $link['attribs'][NAMESPACE_MEDIA]['width'] . '" ';
if( (x($link['attribs'],NAMESPACE_MEDIA)) && $link['attribs'][NAMESPACE_MEDIA]['height'])
$o .= 'media:height="' . $link['attribs'][NAMESPACE_MEDIA]['height'] . '" ';
$o .= ' />' . "\n" ;
}
return xmlify($o);
}
function item_store($arr,$force_parent = false, $notify = false, $dontcache = false) {
// If it is a posting where users should get notifications, then define it as wall posting
if ($notify) {
$arr['wall'] = 1;
$arr['type'] = 'wall';
$arr['origin'] = 1;
$arr['last-child'] = 1;
$arr['network'] = NETWORK_DFRN;
}
// If a Diaspora signature structure was passed in, pull it out of the
// item array and set it aside for later storage.
$dsprsig = null;
if(x($arr,'dsprsig')) {
$dsprsig = json_decode(base64_decode($arr['dsprsig']));
unset($arr['dsprsig']);
}
// if an OStatus conversation url was passed in, it is stored and then
// removed from the array.
$ostatus_conversation = null;
if (isset($arr["ostatus_conversation"])) {
$ostatus_conversation = $arr["ostatus_conversation"];
unset($arr["ostatus_conversation"]);
}
if(x($arr, 'gravity'))
$arr['gravity'] = intval($arr['gravity']);
elseif($arr['parent-uri'] === $arr['uri'])
$arr['gravity'] = 0;
elseif(activity_match($arr['verb'],ACTIVITY_POST))
$arr['gravity'] = 6;
else
$arr['gravity'] = 6; // extensible catchall
if(! x($arr,'type'))
$arr['type'] = 'remote';
/* check for create date and expire time */
$uid = intval($arr['uid']);
$r = q("SELECT expire FROM user WHERE uid = %d", $uid);
if(count($r)) {
$expire_interval = $r[0]['expire'];
if ($expire_interval>0) {
$expire_date = new DateTime( '- '.$expire_interval.' days', new DateTimeZone('UTC'));
$created_date = new DateTime($arr['created'], new DateTimeZone('UTC'));
if ($created_date < $expire_date) {
logger('item-store: item created ('.$arr['created'].') before expiration time ('.$expire_date->format(DateTime::W3C).'). ignored. ' . print_r($arr,true), LOGGER_DEBUG);
return 0;
}
}
}
// If there is no guid then take the same guid that was taken before for the same uri
if ((trim($arr['guid']) == "") AND (trim($arr['uri']) != "")) {
logger('item_store: checking for an existing guid for uri '.$arr['uri'], LOGGER_DEBUG);
$r = q("SELECT `guid` FROM `item` WHERE `uri` = '%s' AND `guid` != '' LIMIT 1",
dbesc(trim($arr['uri']))
);
if(count($r)) {
$arr['guid'] = $r[0]["guid"];
logger('item_store: found guid '.$arr['guid'].' for uri '.$arr['uri'], LOGGER_DEBUG);
}
}
// Shouldn't happen but we want to make absolutely sure it doesn't leak from a plugin.
// Deactivated, since the bbcode parser can handle with it - and it destroys posts with some smileys that contain "<"
//if((strpos($arr['body'],'<') !== false) || (strpos($arr['body'],'>') !== false))
// $arr['body'] = strip_tags($arr['body']);
if (version_compare(PHP_VERSION, '5.3.0', '>=')) {
require_once('library/langdet/Text/LanguageDetect.php');
$naked_body = preg_replace('/\[(.+?)\]/','',$arr['body']);
$l = new Text_LanguageDetect;
//$lng = $l->detectConfidence($naked_body);
//$arr['postopts'] = (($lng['language']) ? 'lang=' . $lng['language'] . ';' . $lng['confidence'] : '');
$lng = $l->detect($naked_body, 3);
if (sizeof($lng) > 0) {
$postopts = "";
foreach ($lng as $language => $score) {
if ($postopts == "")
$postopts = "lang=";
else
$postopts .= ":";
$postopts .= $language.";".$score;
}
$arr['postopts'] = $postopts;
}
}
$arr['wall'] = ((x($arr,'wall')) ? intval($arr['wall']) : 0);
$arr['uri'] = ((x($arr,'uri')) ? notags(trim($arr['uri'])) : random_string());
$arr['extid'] = ((x($arr,'extid')) ? notags(trim($arr['extid'])) : '');
$arr['author-name'] = ((x($arr,'author-name')) ? notags(trim($arr['author-name'])) : '');
$arr['author-link'] = ((x($arr,'author-link')) ? notags(trim($arr['author-link'])) : '');
$arr['author-avatar'] = ((x($arr,'author-avatar')) ? notags(trim($arr['author-avatar'])) : '');
$arr['owner-name'] = ((x($arr,'owner-name')) ? notags(trim($arr['owner-name'])) : '');
$arr['owner-link'] = ((x($arr,'owner-link')) ? notags(trim($arr['owner-link'])) : '');
$arr['owner-avatar'] = ((x($arr,'owner-avatar')) ? notags(trim($arr['owner-avatar'])) : '');
$arr['created'] = ((x($arr,'created') !== false) ? datetime_convert('UTC','UTC',$arr['created']) : datetime_convert());
$arr['edited'] = ((x($arr,'edited') !== false) ? datetime_convert('UTC','UTC',$arr['edited']) : datetime_convert());
$arr['commented'] = ((x($arr,'commented') !== false) ? datetime_convert('UTC','UTC',$arr['commented']) : datetime_convert());
$arr['received'] = ((x($arr,'received') !== false) ? datetime_convert('UTC','UTC',$arr['received']) : datetime_convert());
$arr['changed'] = ((x($arr,'changed') !== false) ? datetime_convert('UTC','UTC',$arr['changed']) : datetime_convert());
$arr['title'] = ((x($arr,'title')) ? notags(trim($arr['title'])) : '');
$arr['location'] = ((x($arr,'location')) ? notags(trim($arr['location'])) : '');
$arr['coord'] = ((x($arr,'coord')) ? notags(trim($arr['coord'])) : '');
$arr['last-child'] = ((x($arr,'last-child')) ? intval($arr['last-child']) : 0 );
$arr['visible'] = ((x($arr,'visible') !== false) ? intval($arr['visible']) : 1 );
$arr['deleted'] = 0;
$arr['parent-uri'] = ((x($arr,'parent-uri')) ? notags(trim($arr['parent-uri'])) : '');
$arr['verb'] = ((x($arr,'verb')) ? notags(trim($arr['verb'])) : '');
$arr['object-type'] = ((x($arr,'object-type')) ? notags(trim($arr['object-type'])) : '');
$arr['object'] = ((x($arr,'object')) ? trim($arr['object']) : '');
$arr['target-type'] = ((x($arr,'target-type')) ? notags(trim($arr['target-type'])) : '');
$arr['target'] = ((x($arr,'target')) ? trim($arr['target']) : '');
$arr['plink'] = ((x($arr,'plink')) ? notags(trim($arr['plink'])) : '');
$arr['allow_cid'] = ((x($arr,'allow_cid')) ? trim($arr['allow_cid']) : '');
$arr['allow_gid'] = ((x($arr,'allow_gid')) ? trim($arr['allow_gid']) : '');
$arr['deny_cid'] = ((x($arr,'deny_cid')) ? trim($arr['deny_cid']) : '');
$arr['deny_gid'] = ((x($arr,'deny_gid')) ? trim($arr['deny_gid']) : '');
$arr['private'] = ((x($arr,'private')) ? intval($arr['private']) : 0 );
$arr['bookmark'] = ((x($arr,'bookmark')) ? intval($arr['bookmark']) : 0 );
$arr['body'] = ((x($arr,'body')) ? trim($arr['body']) : '');
$arr['tag'] = ((x($arr,'tag')) ? notags(trim($arr['tag'])) : '');
$arr['attach'] = ((x($arr,'attach')) ? notags(trim($arr['attach'])) : '');
$arr['app'] = ((x($arr,'app')) ? notags(trim($arr['app'])) : '');
$arr['origin'] = ((x($arr,'origin')) ? intval($arr['origin']) : 0 );
$arr['network'] = ((x($arr,'network')) ? trim($arr['network']) : '');
$arr['guid'] = ((x($arr,'guid')) ? notags(trim($arr['guid'])) : get_guid(32, $arr['network']));
$arr['postopts'] = ((x($arr,'postopts')) ? trim($arr['postopts']) : '');
$arr['resource-id'] = ((x($arr,'resource-id')) ? trim($arr['resource-id']) : '');
$arr['event-id'] = ((x($arr,'event-id')) ? intval($arr['event-id']) : 0 );
$arr['inform'] = ((x($arr,'inform')) ? trim($arr['inform']) : '');
$arr['file'] = ((x($arr,'file')) ? trim($arr['file']) : '');
if ($arr['plink'] == "") {
$a = get_app();
$arr['plink'] = $a->get_baseurl().'/display/'.urlencode($arr['guid']);
}
if ($arr['network'] == "") {
$r = q("SELECT `network` FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
intval($arr['contact-id']),
intval($arr['uid'])
);
if(count($r))
$arr['network'] = $r[0]["network"];
// Fallback to friendica (why is it empty in some cases?)
if ($arr['network'] == "")
$arr['network'] = NETWORK_DFRN;
logger("item_store: Set network to ".$arr["network"]." for ".$arr["uri"], LOGGER_DEBUG);
}
if ($arr['guid'] != "") {
// Checking if there is already an item with the same guid
logger('checking for an item for user '.$arr['uid'].' on network '.$arr['network'].' with the guid '.$arr['guid'], LOGGER_DEBUG);
$r = q("SELECT `guid` FROM `item` WHERE `guid` = '%s' AND `network` = '%s' AND `uid` = '%d' LIMIT 1",
dbesc($arr['guid']), dbesc($arr['network']), intval($arr['uid']));
if(count($r)) {
logger('found item with guid '.$arr['guid'].' for user '.$arr['uid'].' on network '.$arr['network'], LOGGER_DEBUG);
return 0;
}
}
// Check for hashtags in the body and repair or add hashtag links
item_body_set_hashtags($arr);
$arr['thr-parent'] = $arr['parent-uri'];
if($arr['parent-uri'] === $arr['uri']) {
$parent_id = 0;
$parent_deleted = 0;
$allow_cid = $arr['allow_cid'];
$allow_gid = $arr['allow_gid'];
$deny_cid = $arr['deny_cid'];
$deny_gid = $arr['deny_gid'];
$notify_type = 'wall-new';
}
else {
// find the parent and snarf the item id and ACLs
// and anything else we need to inherit
$r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d ORDER BY `id` ASC LIMIT 1",
dbesc($arr['parent-uri']),
intval($arr['uid'])
);
if(count($r)) {
// is the new message multi-level threaded?
// even though we don't support it now, preserve the info
// and re-attach to the conversation parent.
if($r[0]['uri'] != $r[0]['parent-uri']) {
$arr['parent-uri'] = $r[0]['parent-uri'];
$z = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `parent-uri` = '%s' AND `uid` = %d
ORDER BY `id` ASC LIMIT 1",
dbesc($r[0]['parent-uri']),
dbesc($r[0]['parent-uri']),
intval($arr['uid'])
);
if($z && count($z))
$r = $z;
}
$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'];
$arr['wall'] = $r[0]['wall'];
$notify_type = 'comment-new';
// if the parent is private, force privacy for the entire conversation
// This differs from the above settings as it subtly allows comments from
// email correspondents to be private even if the overall thread is not.
if($r[0]['private'])
$arr['private'] = $r[0]['private'];
// Edge case. We host a public forum that was originally posted to privately.
// The original author commented, but as this is a comment, the permissions
// weren't fixed up so it will still show the comment as private unless we fix it here.
if((intval($r[0]['forum_mode']) == 1) && (! $r[0]['private']))
$arr['private'] = 0;
// If its a post from myself then tag the thread as "mention"
logger("item_store: Checking if parent ".$parent_id." has to be tagged as mention for user ".$arr['uid'], LOGGER_DEBUG);
$u = q("select * from user where uid = %d limit 1", intval($arr['uid']));
if(count($u)) {
$a = get_app();
$self = normalise_link($a->get_baseurl() . '/profile/' . $u[0]['nickname']);
logger("item_store: 'myself' is ".$self." for parent ".$parent_id." checking against ".$arr['author-link']." and ".$arr['owner-link'], LOGGER_DEBUG);
if ((normalise_link($arr['author-link']) == $self) OR (normalise_link($arr['owner-link']) == $self)) {
q("UPDATE `thread` SET `mention` = 1 WHERE `iid` = %d", intval($parent_id));
logger("item_store: tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
}
}
}
else {
// Allow one to see reply tweets from status.net even when
// we don't have or can't see the original post.
if($force_parent) {
logger('item_store: $force_parent=true, reply converted to top-level post.');
$parent_id = 0;
$arr['parent-uri'] = $arr['uri'];
$arr['gravity'] = 0;
}
else {
logger('item_store: item parent was not found - ignoring item');
return 0;
}
$parent_deleted = 0;
}
}
$r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
dbesc($arr['uri']),
intval($arr['uid'])
);
if($r && count($r)) {
logger('item-store: duplicate item ignored. ' . print_r($arr,true));
return 0;
}
// Is this item available in the global items (with uid=0)?
if ($arr["uid"] == 0) {
$arr["global"] = true;
q("UPDATE `item` SET `global` = 1 WHERE `guid` = '%s'", dbesc($arr["guid"]));
} else {
$isglobal = q("SELECT `global` FROM `item` WHERE `uid` = 0 AND `guid` = '%s'", dbesc($arr["guid"]));
$arr["global"] = (count($isglobal) > 0);
}
// Fill the cache field
put_item_in_cache($arr);
call_hooks('post_remote',$arr);
if(x($arr,'cancel')) {
logger('item_store: post cancelled by plugin.');
return 0;
}
// Store the unescaped version
$unescaped = $arr;
dbesc_array($arr);
logger('item_store: ' . print_r($arr,true), LOGGER_DATA);
$r = dbq("INSERT INTO `item` (`"
. implode("`, `", array_keys($arr))
. "`) VALUES ('"
. implode("', '", array_values($arr))
. "')" );
// And restore it
$arr = $unescaped;
// find the item we just created
$r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = %d ORDER BY `id` ASC ",
dbesc($arr['uri']),
intval($arr['uid'])
);
if(count($r)) {
$current_post = $r[0]['id'];
logger('item_store: created item ' . $current_post);
// Set "success_update" and "last-item" to the date of the last time we heard from this contact
// This can be used to filter for inactive contacts.
// Only do this for public postings to avoid privacy problems, since poco data is public.
// Don't set this value if it isn't from the owner (could be an author that we don't know)
$update = (!$arr['private'] AND (($arr["author-link"] === $arr["owner-link"]) OR ($arr["parent-uri"] === $arr["uri"])));
// Is it a forum? Then we don't care about the rules from above
if (!$update AND ($arr["network"] == NETWORK_DFRN) AND ($arr["parent-uri"] === $arr["uri"])) {
$isforum = q("SELECT `forum` FROM `contact` WHERE `id` = %d AND `forum`",
intval($arr['contact-id']));
if ($isforum)
$update = true;
}
if ($update)
q("UPDATE `contact` SET `success_update` = '%s', `last-item` = '%s' WHERE `id` = %d",
dbesc($arr['received']),
dbesc($arr['received']),
intval($arr['contact-id'])
);
} else {
logger('item_store: could not locate created item');
return 0;
}
if(count($r) > 1) {
logger('item_store: duplicated post occurred. Removing duplicates. uri = '.$arr['uri'].' uid = '.$arr['uid']);
q("DELETE FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `id` != %d ",
dbesc($arr['uri']),
intval($arr['uid']),
intval($current_post)
);
}
if((! $parent_id) || ($arr['parent-uri'] === $arr['uri']))
$parent_id = $current_post;
if(strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid))
$private = 1;
else
$private = $arr['private'];
// Set parent id - and also make sure to inherit the parent's ACLs.
$r = q("UPDATE `item` SET `parent` = %d, `allow_cid` = '%s', `allow_gid` = '%s',
`deny_cid` = '%s', `deny_gid` = '%s', `private` = %d, `deleted` = %d WHERE `id` = %d",
intval($parent_id),
dbesc($allow_cid),
dbesc($allow_gid),
dbesc($deny_cid),
dbesc($deny_gid),
intval($private),
intval($parent_deleted),
intval($current_post)
);
// Complete ostatus threads
if ($ostatus_conversation)
complete_conversation($current_post, $ostatus_conversation);
$arr['id'] = $current_post;
$arr['parent'] = $parent_id;
$arr['allow_cid'] = $allow_cid;
$arr['allow_gid'] = $allow_gid;
$arr['deny_cid'] = $deny_cid;
$arr['deny_gid'] = $deny_gid;
$arr['private'] = $private;
$arr['deleted'] = $parent_deleted;
// update the commented timestamp on the parent
// Only update "commented" if it is really a comment
if (($arr['verb'] == ACTIVITY_POST) OR !get_config("system", "like_no_comment"))
q("UPDATE `item` SET `commented` = '%s', `changed` = '%s' WHERE `id` = %d",
dbesc(datetime_convert()),
dbesc(datetime_convert()),
intval($parent_id)
);
else
q("UPDATE `item` SET `changed` = '%s' WHERE `id` = %d",
dbesc(datetime_convert()),
intval($parent_id)
);
if($dsprsig) {
q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
intval($current_post),
dbesc($dsprsig->signed_text),
dbesc($dsprsig->signature),
dbesc($dsprsig->signer)
);
}
/**
* If this is now the last-child, force all _other_ children of this parent to *not* be last-child
*/
if($arr['last-child']) {
$r = q("UPDATE `item` SET `last-child` = 0 WHERE `parent-uri` = '%s' AND `uid` = %d AND `id` != %d",
dbesc($arr['uri']),
intval($arr['uid']),
intval($current_post)
);
}
$deleted = tag_deliver($arr['uid'],$current_post);
// current post can be deleted if is for a community page and no mention are
// in it.
if (!$deleted AND !$dontcache) {
$r = q('SELECT * FROM `item` WHERE id = %d', intval($current_post));
if (count($r) == 1) {
call_hooks('post_remote_end', $r[0]);
} else
logger('item_store: new item not found in DB, id ' . $current_post);
}
// Add every contact of the post to the global contact table
poco_store($arr);
create_tags_from_item($current_post);
create_files_from_item($current_post);
// Only check for notifications on start posts
if ($arr['parent-uri'] === $arr['uri']) {
add_thread($current_post);
logger('item_store: Check notification for contact '.$arr['contact-id'].' and post '.$current_post, LOGGER_DEBUG);
// Send a notification for every new post?
$r = q("SELECT `notify_new_posts` FROM `contact` WHERE `id` = %d AND `uid` = %d AND `notify_new_posts` LIMIT 1",
intval($arr['contact-id']),
intval($arr['uid'])
);
$send_notification = count($r);
if (!$send_notification) {
$tags = q("SELECT `url` FROM `term` WHERE `otype` = %d AND `oid` = %d AND `type` = %d AND `uid` = %d",
intval(TERM_OBJ_POST), intval($current_post), intval(TERM_MENTION), intval($arr['uid']));
if (count($tags)) {
foreach ($tags AS $tag) {
$r = q("SELECT `id` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d AND `notify_new_posts`",
normalise_link($tag["url"]), intval($arr['uid']));
if (count($r))
$send_notification = true;
}
}
}
if ($send_notification) {
logger('item_store: Send notification for contact '.$arr['contact-id'].' and post '.$current_post, LOGGER_DEBUG);
$u = q("SELECT * FROM user WHERE uid = %d LIMIT 1",
intval($arr['uid']));
$item = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d",
intval($current_post),
intval($arr['uid'])
);
$a = get_app();
require_once('include/enotify.php');
notification(array(
'type' => NOTIFY_SHARE,
'notify_flags' => $u[0]['notify-flags'],
'language' => $u[0]['language'],
'to_name' => $u[0]['username'],
'to_email' => $u[0]['email'],
'uid' => $u[0]['uid'],
'item' => $item[0],
'link' => $a->get_baseurl().'/display/'.urlencode($arr['guid']),
'source_name' => $item[0]['author-name'],
'source_link' => $item[0]['author-link'],
'source_photo' => $item[0]['author-avatar'],
'verb' => ACTIVITY_TAG,
'otype' => 'item',
'parent' => $arr['parent']
));
logger('item_store: Notification sent for contact '.$arr['contact-id'].' and post '.$current_post, LOGGER_DEBUG);
}
} else {
update_thread($parent_id);
add_shadow_entry($arr);
}
if ($notify)
proc_run('php', "include/notifier.php", $notify_type, $current_post);
return $current_post;
}
function item_body_set_hashtags(&$item) {
$tags = get_tags($item["body"]);
// No hashtags?
if(!count($tags))
return(false);
// This sorting is important when there are hashtags that are part of other hashtags
// Otherwise there could be problems with hashtags like #test and #test2
rsort($tags);
$a = get_app();
$URLSearchString = "^\[\]";
// All hashtags should point to the home server
//$item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
// "#[url=".$a->get_baseurl()."/search?tag=$2]$2[/url]", $item["body"]);
//$item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
// "#[url=".$a->get_baseurl()."/search?tag=$2]$2[/url]", $item["tag"]);
// mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
$item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
function ($match){
return("[url=".$match[1]."]".str_replace("#", "&num;", $match[2])."[/url]");
},$item["body"]);
$item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
function ($match){
return("[bookmark=".$match[1]."]".str_replace("#", "&num;", $match[2])."[/bookmark]");
},$item["body"]);
$item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
function ($match){
return("[attachment ".str_replace("#", "&num;", $match[1])."]".$match[2]."[/attachment]");
},$item["body"]);
// Repair recursive urls
$item["body"] = preg_replace("/&num;\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
"&num;$2", $item["body"]);
foreach($tags as $tag) {
if(strpos($tag,'#') !== 0)
continue;
if(strpos($tag,'[url='))
continue;
$basetag = str_replace('_',' ',substr($tag,1));
$newtag = '#[url='.$a->get_baseurl().'/search?tag='.rawurlencode($basetag).']'.$basetag.'[/url]';
$item["body"] = str_replace($tag, $newtag, $item["body"]);
if(!stristr($item["tag"],"/search?tag=".$basetag."]".$basetag."[/url]")) {
if(strlen($item["tag"]))
$item["tag"] = ','.$item["tag"];
$item["tag"] = $newtag.$item["tag"];
}
}
// Convert back the masked hashtags
$item["body"] = str_replace("&num;", "#", $item["body"]);
}
function get_item_guid($id) {
$r = q("SELECT `guid` FROM `item` WHERE `id` = %d LIMIT 1", intval($id));
if (count($r))
return($r[0]["guid"]);
else
return("");
}
function get_item_id($guid, $uid = 0) {
$nick = "";
$id = 0;
if ($uid == 0)
$uid == local_user();
// Does the given user have this item?
if ($uid) {
$r = q("SELECT `item`.`id`, `user`.`nickname` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 and `item`.`moderated` = 0
AND `item`.`guid` = '%s' AND `item`.`uid` = %d", dbesc($guid), intval($uid));
if (count($r)) {
$id = $r[0]["id"];
$nick = $r[0]["nickname"];
}
}
// Or is it anywhere on the server?
if ($nick == "") {
$r = q("SELECT `item`.`id`, `user`.`nickname` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 and `item`.`moderated` = 0
AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = ''
AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
AND `item`.`private` = 0 AND `item`.`wall` = 1
AND `item`.`guid` = '%s'", dbesc($guid));
if (count($r)) {
$id = $r[0]["id"];
$nick = $r[0]["nickname"];
}
}
return(array("nick" => $nick, "id" => $id));
}
// return - test
function get_item_contact($item,$contacts) {
if(! count($contacts) || (! is_array($item)))
return false;
foreach($contacts as $contact) {
if($contact['id'] == $item['contact-id']) {
return $contact;
break; // NOTREACHED
}
}
return false;
}
/**
* look for mention tags and setup a second delivery chain for forum/community posts if appropriate
* @param int $uid
* @param int $item_id
* @return bool true if item was deleted, else false
*/
function tag_deliver($uid,$item_id) {
//
$a = get_app();
$mention = false;
$u = q("select * from user where uid = %d limit 1",
intval($uid)
);
if(! count($u))
return;
$community_page = (($u[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
$prvgroup = (($u[0]['page-flags'] == PAGE_PRVGROUP) ? true : false);
$i = q("select * from item where id = %d and uid = %d limit 1",
intval($item_id),
intval($uid)
);
if(! count($i))
return;
$item = $i[0];
$link = normalise_link($a->get_baseurl() . '/profile/' . $u[0]['nickname']);
// Diaspora uses their own hardwired link URL in @-tags
// instead of the one we supply with webfinger
$dlink = normalise_link($a->get_baseurl() . '/u/' . $u[0]['nickname']);
$cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism',$item['body'],$matches,PREG_SET_ORDER);
if($cnt) {
foreach($matches as $mtch) {
if(link_compare($link,$mtch[1]) || link_compare($dlink,$mtch[1])) {
$mention = true;
logger('tag_deliver: mention found: ' . $mtch[2]);
}
}
}
if(! $mention){
if ( ($community_page || $prvgroup) &&
(!$item['wall']) && (!$item['origin']) && ($item['id'] == $item['parent'])){
// mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
// delete it!
logger("tag_deliver: no-mention top-level post to communuty or private group. delete.");
q("DELETE FROM item WHERE id = %d and uid = %d",
intval($item_id),
intval($uid)
);
return true;
}
return;
}
// send a notification
// use a local photo if we have one
$r = q("select * from contact where uid = %d and nurl = '%s' limit 1",
intval($u[0]['uid']),
dbesc(normalise_link($item['author-link']))
);
$photo = (($r && count($r)) ? $r[0]['thumb'] : $item['author-avatar']);
require_once('include/enotify.php');
notification(array(
'type' => NOTIFY_TAGSELF,
'notify_flags' => $u[0]['notify-flags'],
'language' => $u[0]['language'],
'to_name' => $u[0]['username'],
'to_email' => $u[0]['email'],
'uid' => $u[0]['uid'],
'item' => $item,
'link' => $a->get_baseurl() . '/display/'.urlencode(get_item_guid($item['id'])),
'source_name' => $item['author-name'],
'source_link' => $item['author-link'],
'source_photo' => $photo,
'verb' => ACTIVITY_TAG,
'otype' => 'item',
'parent' => $item['parent']
));
$arr = array('item' => $item, 'user' => $u[0], 'contact' => $r[0]);
call_hooks('tagged', $arr);
if((! $community_page) && (! $prvgroup))
return;
// tgroup delivery - setup a second delivery chain
// prevent delivery looping - only proceed
// if the message originated elsewhere and is a top-level post
if(($item['wall']) || ($item['origin']) || ($item['id'] != $item['parent']))
return;
// now change this copy of the post to a forum head message and deliver to all the tgroup members
$c = q("select name, url, thumb from contact where self = 1 and uid = %d limit 1",
intval($u[0]['uid'])
);
if(! count($c))
return;
// also reset all the privacy bits to the forum default permissions
$private = ($u[0]['allow_cid'] || $u[0]['allow_gid'] || $u[0]['deny_cid'] || $u[0]['deny_gid']) ? 1 : 0;
$forum_mode = (($prvgroup) ? 2 : 1);
q("update item set wall = 1, origin = 1, forum_mode = %d, `owner-name` = '%s', `owner-link` = '%s', `owner-avatar` = '%s',
`private` = %d, `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s' where id = %d",
intval($forum_mode),
dbesc($c[0]['name']),
dbesc($c[0]['url']),
dbesc($c[0]['thumb']),
intval($private),
dbesc($u[0]['allow_cid']),
dbesc($u[0]['allow_gid']),
dbesc($u[0]['deny_cid']),
dbesc($u[0]['deny_gid']),
intval($item_id)
);
update_thread($item_id);
proc_run('php','include/notifier.php','tgroup',$item_id);
}
function tgroup_check($uid,$item) {
$a = get_app();
$mention = false;
// check that the message originated elsewhere and is a top-level post
if(($item['wall']) || ($item['origin']) || ($item['uri'] != $item['parent-uri']))
return false;
$u = q("select * from user where uid = %d limit 1",
intval($uid)
);
if(! count($u))
return false;
$community_page = (($u[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
$prvgroup = (($u[0]['page-flags'] == PAGE_PRVGROUP) ? true : false);
$link = normalise_link($a->get_baseurl() . '/profile/' . $u[0]['nickname']);
// Diaspora uses their own hardwired link URL in @-tags
// instead of the one we supply with webfinger
$dlink = normalise_link($a->get_baseurl() . '/u/' . $u[0]['nickname']);
$cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism',$item['body'],$matches,PREG_SET_ORDER);
if($cnt) {
foreach($matches as $mtch) {
if(link_compare($link,$mtch[1]) || link_compare($dlink,$mtch[1])) {
$mention = true;
logger('tgroup_check: mention found: ' . $mtch[2]);
}
}
}
if(! $mention)
return false;
if((! $community_page) && (! $prvgroup))
return false;
return true;
}
function dfrn_deliver($owner,$contact,$atom, $dissolve = false) {
$a = get_app();
$idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
if($contact['duplex'] && $contact['dfrn-id'])
$idtosend = '0:' . $orig_id;
if($contact['duplex'] && $contact['issued-id'])
$idtosend = '1:' . $orig_id;
$rino = ((function_exists('mcrypt_encrypt')) ? 1 : 0);
$rino_enable = get_config('system','rino_encrypt');
if(! $rino_enable)
$rino = 0;
$ssl_val = intval(get_config('system','ssl_policy'));
$ssl_policy = '';
switch($ssl_val){
case SSL_POLICY_FULL:
$ssl_policy = 'full';
break;
case SSL_POLICY_SELFSIGN:
$ssl_policy = 'self';
break;
case SSL_POLICY_NONE:
default:
$ssl_policy = 'none';
break;
}
$url = $contact['notify'] . '&dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . (($rino) ? '&rino=1' : '');
logger('dfrn_deliver: ' . $url);
$xml = fetch_url($url);
$curl_stat = $a->get_curl_code();
if(! $curl_stat)
return(-1); // timed out
logger('dfrn_deliver: ' . $xml, LOGGER_DATA);
if(! $xml)
return 3;
if(strpos($xml,'<?xml') === false) {
logger('dfrn_deliver: no valid XML returned');
logger('dfrn_deliver: returned XML: ' . $xml, LOGGER_DATA);
return 3;
}
$res = parse_xml_string($xml);
if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id)))
return (($res->status) ? $res->status : 3);
$postvars = array();
$sent_dfrn_id = hex2bin((string) $res->dfrn_id);
$challenge = hex2bin((string) $res->challenge);
$perm = (($res->perm) ? $res->perm : null);
$dfrn_version = (float) (($res->dfrn_version) ? $res->dfrn_version : 2.0);
$rino_allowed = ((intval($res->rino) === 1) ? 1 : 0);
$page = (($owner['page-flags'] == PAGE_COMMUNITY) ? 1 : 0);
if($owner['page-flags'] == PAGE_PRVGROUP)
$page = 2;
$final_dfrn_id = '';
if($perm) {
if((($perm == 'rw') && (! intval($contact['writable'])))
|| (($perm == 'r') && (intval($contact['writable'])))) {
q("update contact set writable = %d where id = %d",
intval(($perm == 'rw') ? 1 : 0),
intval($contact['id'])
);
$contact['writable'] = (string) 1 - intval($contact['writable']);
}
}
if(($contact['duplex'] && strlen($contact['pubkey']))
|| ($owner['page-flags'] == PAGE_COMMUNITY && strlen($contact['pubkey']))
|| ($contact['rel'] == CONTACT_IS_SHARING && strlen($contact['pubkey']))) {
openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']);
openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']);
}
else {
openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']);
openssl_private_decrypt($challenge,$postvars['challenge'],$contact['prvkey']);
}
$final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
if(strpos($final_dfrn_id,':') == 1)
$final_dfrn_id = substr($final_dfrn_id,2);
if($final_dfrn_id != $orig_id) {
logger('dfrn_deliver: wrong dfrn_id.');
// did not decode properly - cannot trust this site
return 3;
}
$postvars['dfrn_id'] = $idtosend;
$postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
if($dissolve)
$postvars['dissolve'] = '1';
if((($contact['rel']) && ($contact['rel'] != CONTACT_IS_SHARING) && (! $contact['blocked'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
$postvars['data'] = $atom;
$postvars['perm'] = 'rw';
}
else {
$postvars['data'] = str_replace('<dfrn:comment-allow>1','<dfrn:comment-allow>0',$atom);
$postvars['perm'] = 'r';
}
$postvars['ssl_policy'] = $ssl_policy;
if($page)
$postvars['page'] = $page;
if($rino && $rino_allowed && (! $dissolve)) {
$key = substr(random_string(),0,16);
$data = bin2hex(aes_encrypt($postvars['data'],$key));
$postvars['data'] = $data;
logger('rino: sent key = ' . $key, LOGGER_DEBUG);
if($dfrn_version >= 2.1) {
if(($contact['duplex'] && strlen($contact['pubkey']))
|| ($owner['page-flags'] == PAGE_COMMUNITY && strlen($contact['pubkey']))
|| ($contact['rel'] == CONTACT_IS_SHARING && strlen($contact['pubkey']))) {
openssl_public_encrypt($key,$postvars['key'],$contact['pubkey']);
}
else {
openssl_private_encrypt($key,$postvars['key'],$contact['prvkey']);
}
}
else {
if(($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
openssl_private_encrypt($key,$postvars['key'],$contact['prvkey']);
}
else {
openssl_public_encrypt($key,$postvars['key'],$contact['pubkey']);
}
}
logger('md5 rawkey ' . md5($postvars['key']));
$postvars['key'] = bin2hex($postvars['key']);
}
logger('dfrn_deliver: ' . "SENDING: " . print_r($postvars,true), LOGGER_DATA);
$xml = post_url($contact['notify'],$postvars);
logger('dfrn_deliver: ' . "RECEIVED: " . $xml, LOGGER_DATA);
$curl_stat = $a->get_curl_code();
if((! $curl_stat) || (! strlen($xml)))
return(-1); // timed out
if(($curl_stat == 503) && (stristr($a->get_curl_headers(),'retry-after')))
return(-1);
if(strpos($xml,'<?xml') === false) {
logger('dfrn_deliver: phase 2: no valid XML returned');
logger('dfrn_deliver: phase 2: returned XML: ' . $xml, LOGGER_DATA);
return 3;
}
if($contact['term-date'] != '0000-00-00 00:00:00') {
logger("dfrn_deliver: $url back from the dead - removing mark for death");
require_once('include/Contact.php');
unmark_for_death($contact);
}
$res = parse_xml_string($xml);
return $res->status;
}
/*
This function returns true if $update has an edited timestamp newer
than $existing, i.e. $update contains new data which should override
what's already there. If there is no timestamp yet, the update is
assumed to be newer. If the update has no timestamp, the existing
item is assumed to be up-to-date. If the timestamps are equal it
assumes the update has been seen before and should be ignored.
*/
function edited_timestamp_is_newer($existing, $update) {
if (!x($existing,'edited') || !$existing['edited']) {
return true;
}
if (!x($update,'edited') || !$update['edited']) {
return false;
}
$existing_edited = datetime_convert('UTC', 'UTC', $existing['edited']);
$update_edited = datetime_convert('UTC', 'UTC', $update['edited']);
return (strcmp($existing_edited, $update_edited) < 0);
}
/**
*
* consume_feed - process atom feed and update anything/everything we might need to update
*
* $xml = the (atom) feed to consume - RSS isn't as fully supported but may work for simple feeds.
*
* $importer = the contact_record (joined to user_record) of the local user who owns this relationship.
* It is this person's stuff that is going to be updated.
* $contact = the person who is sending us stuff. If not set, we MAY be processing a "follow" activity
* from an external network and MAY create an appropriate contact record. Otherwise, we MUST
* have a contact record.
* $hub = should we find a hub declation in the feed, pass it back to our calling process, who might (or
* might not) try and subscribe to it.
* $datedir sorts in reverse order
* $pass - by default ($pass = 0) we cannot guarantee that a parent item has been
* imported prior to its children being seen in the stream unless we are certain
* of how the feed is arranged/ordered.
* With $pass = 1, we only pull parent items out of the stream.
* With $pass = 2, we only pull children (comments/likes).
*
* So running this twice, first with pass 1 and then with pass 2 will do the right
* thing regardless of feed ordering. This won't be adequate in a fully-threaded
* model where comments can have sub-threads. That would require some massive sorting
* to get all the feed items into a mostly linear ordering, and might still require
* recursion.
*/
function consume_feed($xml,$importer,&$contact, &$hub, $datedir = 0, $pass = 0) {
require_once('library/simplepie/simplepie.inc');
require_once('include/contact_selectors.php');
if(! strlen($xml)) {
logger('consume_feed: empty input');
return;
}
$feed = new SimplePie();
$feed->set_raw_data($xml);
if($datedir)
$feed->enable_order_by_date(true);
else
$feed->enable_order_by_date(false);
$feed->init();
if($feed->error())
logger('consume_feed: Error parsing XML: ' . $feed->error());
$permalink = $feed->get_permalink();
// Check at the feed level for updated contact name and/or photo
$name_updated = '';
$new_name = '';
$photo_timestamp = '';
$photo_url = '';
$birthday = '';
$contact_updated = '';
$hubs = $feed->get_links('hub');
logger('consume_feed: hubs: ' . print_r($hubs,true), LOGGER_DATA);
if(count($hubs))
$hub = implode(',', $hubs);
$rawtags = $feed->get_feed_tags( NAMESPACE_DFRN, 'owner');
if(! $rawtags)
$rawtags = $feed->get_feed_tags( SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
if($rawtags) {
$elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10];
if($elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated']) {
$name_updated = $elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated'];
$new_name = $elems['name'][0]['data'];
// Manually checking for changed contact names
if (($new_name != $contact['name']) AND ($new_name != "") AND ($name_updated <= $contact['name-date'])) {
$name_updated = date("c");
$photo_timestamp = date("c");
}
}
if((x($elems,'link')) && ($elems['link'][0]['attribs']['']['rel'] === 'photo') && ($elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated'])) {
if ($photo_timestamp == "")
$photo_timestamp = datetime_convert('UTC','UTC',$elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated']);
$photo_url = $elems['link'][0]['attribs']['']['href'];
}
if((x($rawtags[0]['child'], NAM