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
/**
* @file include/items.php
*/
use Friendica\ParseUrl;
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/threads.php';
require_once 'include/socgraph.php';
require_once 'include/plaintext.php';
require_once 'include/ostatus.php';
require_once 'include/feed.php';
require_once 'include/Contact.php';
require_once 'mod/share.php';
require_once 'include/enotify.php';
require_once 'include/dfrn.php';
require_once 'include/group.php';
/// @TODO one day with composer autoloader no more needed
require_once 'library/defuse/php-encryption-1.2.1/Crypto.php';
function construct_verb($item) {
if ($item['verb']) {
return $item['verb'];
}
return ACTIVITY_POST;
}
/* limit_body_size()
*
* The purpose of this function is to apply system message length limits to
* imported messages without including any embedded photos in the length
*/
if (! function_exists('limit_body_size')) {
function limit_body_size($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 == $body);
}
function add_page_info_data($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"] == $data["url"])) {
return "";
}
if ($no_photos AND ($data["type"] == "photo")) {
return "";
}
if (sizeof($data["images"]) > 0) {
$preview = $data["images"][0];
} else {
$preview = "";
}
// Escape some bad characters
$data["url"] = str_replace(array("[", "]"), array("&#91;", "&#93;"), htmlentities($data["url"], ENT_QUOTES, 'UTF-8', false));
$data["title"] = str_replace(array("[", "]"), array("&#91;", "&#93;"), htmlentities($data["title"], ENT_QUOTES, 'UTF-8', false));
$text = "[attachment type='".$data["type"]."'";
if ($data["text"] == "") {
$data["text"] = $data["title"];
}
if ($data["text"] == "") {
$data["text"] = $data["url"];
}
if ($data["url"] != "") {
$text .= " url='".$data["url"]."'";
}
if ($data["title"] != "") {
$text .= " title='".$data["title"]."'";
}
if (sizeof($data["images"]) > 0) {
$preview = str_replace(array("[", "]"), array("&#91;", "&#93;"), htmlentities($data["images"][0]["src"], ENT_QUOTES, 'UTF-8', false));
// if the preview picture is larger than 500 pixels then show it in a larger mode
// But only, if the picture isn't higher than large (To prevent huge posts)
if (($data["images"][0]["width"] >= 500) AND ($data["images"][0]["width"] >= $data["images"][0]["height"])) {
$text .= " image='".$preview."'";
} else {
$text .= " preview='".$preview."'";
}
}
$text .= "]".$data["text"]."[/attachment]";
$hashtags = "";
if (isset($data["keywords"]) AND count($data["keywords"])) {
$hashtags = "\n";
foreach ($data["keywords"] AS $keyword) {
/// @todo make a positive list of allowed characters
$hashtag = str_replace(array(" ", "+", "/", ".", "#", "'", "", "`", "(", ")", "", ""),
array("", "", "", "", "", "", "", "", "", "", "", ""), $keyword);
$hashtags .= "#[url=" . App::get_baseurl() . "/search?tag=" . rawurlencode($hashtag) . "]" . $hashtag . "[/url] ";
}
}
return "\n".$text.$hashtags;
}
function query_page_info($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
$data = ParseUrl::getSiteinfoCached($url, true);
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($data["keywords"])) {
foreach ($data["keywords"] AS $keyword) {
$hashtag = str_replace(array(" ", "+", "/", ".", "#", "'"),
array("", "", "", "", "", ""), $keyword);
if ($tags != "") {
$tags .= ", ";
}
$tags .= "#[url=" . App::get_baseurl() . "/search?tag=" . rawurlencode($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 = "^\[\]";
// Fix for Mastodon where the mentions are in a different format
$body = preg_replace("/\[url\=([$URLSearchString]*)\]([#!@])(.*?)\[\/url\]/ism",
'$2[url=$1]$3[/url]', $body);
// 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;
}
/**
* Adds a "lang" specification in a "postopts" element of given $arr,
* if possible and not already present.
* Expects "body" element to exist in $arr.
*
* @todo Add a parameter to request forcing override
*/
function item_add_language_opt(&$arr) {
if (version_compare(PHP_VERSION, '5.3.0', '<')) {
// LanguageDetect.php not available ?
return;
}
if (x($arr, 'postopts') ) {
if (strstr($arr['postopts'], 'lang=') ) {
// do not override
/// @TODO Add parameter to request overriding
return;
}
$postopts = $arr['postopts'];
} else {
$postopts = "";
}
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($lng) > 0) {
if ($postopts != "") $postopts .= '&'; // arbitrary separator, to be reviewed
$postopts .= 'lang=';
$sep = "";
foreach ($lng as $language => $score) {
$postopts .= $sep . $language . ";" . $score;
$sep = ':';
}
$arr['postopts'] = $postopts;
}
}
/**
* @brief Creates an unique guid out of a given uri
*
* @param string $uri uri of an item entry
* @param string $host (Optional) hostname for the GUID prefix
* @return string unique guid
*/
function uri_to_guid($uri, $host = "") {
// Our regular guid routine is using this kind of prefix as well
// We have to avoid that different routines could accidentally create the same value
$parsed = parse_url($uri);
if ($host == "") {
$host = $parsed["host"];
}
$guid_prefix = hash("crc32", $host);
// Remove the scheme to make sure that "https" and "http" doesn't make a difference
unset($parsed["scheme"]);
$host_id = implode("/", $parsed);
// We could use any hash algorithm since it isn't a security issue
$host_hash = hash("ripemd128", $host_id);
return $guid_prefix.$host_hash;
}
/**
* @brief Store the conversation data
*
* @param array $arr Item array with conversation data
* @return array Item array with removed conversation data
*/
function store_conversation($arr) {
if (in_array($arr['network'], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS))) {
$conversation = array('item-uri' => $arr['uri'], 'received' => dbm::date());
if (isset($arr['parent-uri']) AND ($arr['parent-uri'] != $arr['uri'])) {
$conversation['reply-to-uri'] = $arr['parent-uri'];
}
if (isset($arr['thr-parent']) AND ($arr['thr-parent'] != $arr['uri'])) {
$conversation['reply-to-uri'] = $arr['thr-parent'];
}
if (isset($arr['conversation-uri'])) {
$conversation['conversation-uri'] = $arr['conversation-uri'];
}
if (isset($arr['conversation-href'])) {
$conversation['conversation-href'] = $arr['conversation-href'];
}
if (isset($arr['protocol'])) {
$conversation['protocol'] = $arr['protocol'];
}
if (isset($arr['source'])) {
$conversation['source'] = $arr['source'];
}
$old_conv = dba::fetch_first("SELECT `item-uri`, `reply-to-uri`, `conversation-uri`, `conversation-href`, `protocol`, `source`
FROM `conversation` WHERE `item-uri` = ?", $conversation['item-uri']);
if (dbm::is_result($old_conv)) {
// Don't update when only the source has changed.
// Only do this when there had been no source before.
if ($old_conv['source'] != '') {
unset($old_conv['source']);
}
// Update structure data all the time but the source only when its from a better protocol.
if (($old_conv['protocol'] < $conversation['protocol']) AND ($old_conv['protocol'] != 0)) {
unset($conversation['protocol']);
unset($conversation['source']);
}
if (!dba::update('conversation', $conversation, array('item-uri' => $conversation['item-uri']), $old_conv)) {
logger('Conversation: update for '.$conversation['item-uri'].' from '.$conv['protocol'].' to '.$conversation['protocol'].' failed', LOGGER_DEBUG);
}
} else {
if (!dba::insert('conversation', $conversation)) {
logger('Conversation: insert for '.$conversation['item-uri'].' (protocol '.$conversation['protocol'].') failed', LOGGER_DEBUG);
}
}
}
unset($arr['conversation-uri']);
unset($arr['conversation-href']);
unset($arr['protocol']);
unset($arr['source']);
return $arr;
}
/// @TODO add type-hint array
function item_store($arr, $force_parent = false, $notify = false, $dontcache = false) {
$a = get_app();
// If it is a posting where users should get notifications, then define it as wall posting
if ($notify) {
$arr['wall'] = 1;
$arr['type'] = 'wall';
$arr['origin'] = 1;
$arr['last-child'] = 1;
$arr['network'] = NETWORK_DFRN;
$arr['protocol'] = PROTOCOL_DFRN;
// We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
// In difference to the call to "uri_to_guid" several lines below we add the hash of our own host.
// This is done because our host is the original creator of the post.
if (!isset($arr['guid'])) {
if (isset($arr['plink'])) {
$arr['guid'] = uri_to_guid($arr['plink'], $a->get_hostname());
} elseif (isset($arr['uri'])) {
$arr['guid'] = uri_to_guid($arr['uri'], $a->get_hostname());
}
}
}
// Store conversation data
$arr = store_conversation($arr);
/*
* 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')) {
$encoded_signature = $arr['dsprsig'];
$dsprsig = json_decode(base64_decode($arr['dsprsig']));
unset($arr['dsprsig']);
}
// Converting the plink
if ($arr['network'] == NETWORK_OSTATUS) {
if (isset($arr['plink'])) {
$arr['plink'] = ostatus::convert_href($arr['plink']);
} elseif (isset($arr['uri'])) {
$arr['plink'] = ostatus::convert_href($arr['uri']);
}
}
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']);
$r = q("SELECT expire FROM user WHERE uid = %d", intval($uid));
if (dbm::is_result($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;
}
}
}
/*
* Do we already have this item?
* We have to check several networks since Friendica posts could be repeated
* via OStatus (maybe Diasporsa as well)
*/
if (in_array(trim($arr['network']), array(NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""))) {
$r = q("SELECT `id`, `network` FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `network` IN ('%s', '%s', '%s') LIMIT 1",
dbesc(trim($arr['uri'])),
intval($uid),
dbesc(NETWORK_DIASPORA),
dbesc(NETWORK_DFRN),
dbesc(NETWORK_OSTATUS)
);
if (dbm::is_result($r)) {
// We only log the entries with a different user id than 0. Otherwise we would have too many false positives
if ($uid != 0) {
logger("Item with uri ".$arr['uri']." already existed for user ".$uid." with id ".$r[0]["id"]." target network ".$r[0]["network"]." - new network: ".$arr['network']);
}
return $r[0]["id"];
}
}
/// @TODO old-lost code?
// Shouldn't happen but we want to make absolutely sure it doesn't leak from a plugin.
// Deactivated, since the bbcode parser can handle with it - and it destroys posts with some smileys that contain "<"
//if ((strpos($arr['body'],'<') !== false) || (strpos($arr['body'],'>') !== false))
// $arr['body'] = strip_tags($arr['body']);
item_add_language_opt($arr);
if ($notify) {
$guid_prefix = "";
} elseif ((trim($arr['guid']) == "") AND (trim($arr['plink']) != "")) {
$arr['guid'] = uri_to_guid($arr['plink']);
} elseif ((trim($arr['guid']) == "") AND (trim($arr['uri']) != "")) {
$arr['guid'] = uri_to_guid($arr['uri']);
} else {
$parsed = parse_url($arr["author-link"]);
$guid_prefix = hash("crc32", $parsed["host"]);
}
$arr['wall'] = ((x($arr, 'wall')) ? intval($arr['wall']) : 0);
$arr['guid'] = ((x($arr, 'guid')) ? notags(trim($arr['guid'])) : get_guid(32, $guid_prefix));
$arr['uri'] = ((x($arr, 'uri')) ? notags(trim($arr['uri'])) : item_new_uri($a->get_hostname(), $uid, $arr['guid']));
$arr['extid'] = ((x($arr, 'extid')) ? notags(trim($arr['extid'])) : '');
$arr['author-name'] = ((x($arr, 'author-name')) ? 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')) ? 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')) ? trim($arr['title']) : '');
$arr['location'] = ((x($arr, 'location')) ? 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['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']) : '');
$arr['postopts'] = ((x($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($arr['file']) : '');
// Items cannot be stored before they happen ...
if ($arr['created'] > datetime_convert()) {
$arr['created'] = datetime_convert();
}
// We haven't invented time travel by now.
if ($arr['edited'] > datetime_convert()) {
$arr['edited'] = datetime_convert();
}
if (($arr['author-link'] == "") AND ($arr['owner-link'] == "")) {
logger("Both author-link and owner-link are empty. Called by: " . App::callstack(), LOGGER_DEBUG);
}
if ($arr['plink'] == "") {
$arr['plink'] = App::get_baseurl() . '/display/' . urlencode($arr['guid']);
}
if ($arr['network'] == "") {
$r = q("SELECT `network` FROM `contact` WHERE `network` IN ('%s', '%s', '%s') AND `nurl` = '%s' AND `uid` = %d LIMIT 1",
dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS),
dbesc(normalise_link($arr['author-link'])),
intval($arr['uid'])
);
if (!dbm::is_result($r))
$r = q("SELECT `network` FROM `gcontact` WHERE `network` IN ('%s', '%s', '%s') AND `nurl` = '%s' LIMIT 1",
dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS),
dbesc(normalise_link($arr['author-link']))
);
if (!dbm::is_result($r)) {
$r = q("SELECT `network` FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
intval($arr['contact-id']),
intval($arr['uid'])
);
}
if (dbm::is_result($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 " . $arr["uri"], LOGGER_DEBUG);
}
// The contact-id should be set before "item_store" was called - but there seems to be some issues
if ($arr["contact-id"] == 0) {
/*
* First we are looking for a suitable contact that matches with the author of the post
* This is done only for comments (See below explanation at "gcontact-id")
*/
if ($arr['parent-uri'] != $arr['uri']) {
$arr["contact-id"] = get_contact($arr['author-link'], $uid);
}
// If not present then maybe the owner was found
if ($arr["contact-id"] == 0) {
$arr["contact-id"] = get_contact($arr['owner-link'], $uid);
}
// Still missing? Then use the "self" contact of the current user
if ($arr["contact-id"] == 0) {
$r = q("SELECT `id` FROM `contact` WHERE `self` AND `uid` = %d", intval($uid));
if (dbm::is_result($r)) {
$arr["contact-id"] = $r[0]["id"];
}
}
logger("Contact-id was missing for post ".$arr["guid"]." from user id ".$uid." - now set to ".$arr["contact-id"], LOGGER_DEBUG);
}
if ($arr["gcontact-id"] == 0) {
/*
* The gcontact should mostly behave like the contact. But is is supposed to be global for the system.
* This means that wall posts, repeated posts, etc. should have the gcontact id of the owner.
* On comments the author is the better choice.
*/
if ($arr['parent-uri'] === $arr['uri']) {
$arr["gcontact-id"] = get_gcontact_id(array("url" => $arr['owner-link'], "network" => $arr['network'],
"photo" => $arr['owner-avatar'], "name" => $arr['owner-name']));
} else {
$arr["gcontact-id"] = get_gcontact_id(array("url" => $arr['author-link'], "network" => $arr['network'],
"photo" => $arr['author-avatar'], "name" => $arr['author-name']));
}
}
if ($arr["author-id"] == 0) {
$arr["author-id"] = get_contact($arr["author-link"], 0);
}
if ($arr["owner-id"] == 0) {
$arr["owner-id"] = get_contact($arr["owner-link"], 0);
}
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 (dbm::is_result($r)) {
logger('found item with guid '.$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($arr['uid'])
);
if (dbm::is_result($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 (dbm::is_result($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);
$u = q("SELECT `nickname` FROM `user` WHERE `uid` = %d", intval($arr['uid']));
if (dbm::is_result($u)) {
$a = get_app();
$self = normalise_link(App::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'];
$arr['gravity'] = 0;
} else {
logger('item_store: item parent '.$arr['parent-uri'].' for '.$arr['uid'].' was not found - ignoring item');
return 0;
}
$parent_deleted = 0;
}
}
$r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `network` IN ('%s', '%s') AND `uid` = %d LIMIT 1",
dbesc($arr['uri']),
dbesc($arr['network']),
dbesc(NETWORK_DFRN),
intval($arr['uid'])
);
if (dbm::is_result($r)) {
logger('duplicated item with the same uri found. '.print_r($arr,true));
return 0;
}
// On Friendica and Diaspora the GUID is unique
if (in_array($arr['network'], array(NETWORK_DFRN, NETWORK_DIASPORA))) {
$r = q("SELECT `id` FROM `item` WHERE `guid` = '%s' AND `uid` = %d LIMIT 1",
dbesc($arr['guid']),
intval($arr['uid'])
);
if (dbm::is_result($r)) {
logger('duplicated item with the same guid found. '.print_r($arr,true));
return 0;
}
} else {
// Check for an existing post with the same content. There seems to be a problem with OStatus.
$r = q("SELECT `id` FROM `item` WHERE `body` = '%s' AND `network` = '%s' AND `created` = '%s' AND `contact-id` = %d AND `uid` = %d LIMIT 1",
dbesc($arr['body']),
dbesc($arr['network']),
dbesc($arr['created']),
intval($arr['contact-id']),
intval($arr['uid'])
);
if (dbm::is_result($r)) {
logger('duplicated item with the same body found. '.print_r($arr,true));
return 0;
}
}
// Is this item available in the global items (with uid=0)?
if ($arr["uid"] == 0) {
$arr["global"] = true;
// Set the global flag on all items if this was a global item entry
q("UPDATE `item` SET `global` = 1 WHERE `uri` = '%s'", dbesc($arr["uri"]));
} else {
$isglobal = q("SELECT `global` FROM `item` WHERE `uid` = 0 AND `uri` = '%s'", dbesc($arr["uri"]));
$arr["global"] = (dbm::is_result($isglobal) && count($isglobal) > 0);
}
// ACL settings
if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
$private = 1;
} else {
$private = $arr['private'];
}
$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"] = $parent_deleted;
// Fill the cache field
put_item_in_cache($arr);
if ($notify) {
call_hooks('post_local', $arr);
} else {
call_hooks('post_remote', $arr);
}
if (x($arr, 'cancel')) {
logger('item_store: post cancelled by plugin.');
return 0;
}
/*
* Check for already added items.
* There is a timing issue here that sometimes creates double postings.
* An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
*/
if ($arr["uid"] == 0) {
$r = qu("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = 0 LIMIT 1", dbesc(trim($arr['uri'])));
if (dbm::is_result($r)) {
logger('Global item already stored. URI: '.$arr['uri'].' on network '.$arr['network'], LOGGER_DEBUG);
return 0;
}
}
// Store the unescaped version
$unescaped = $arr;
dbm::esc_array($arr, true);
logger('item_store: ' . print_r($arr,true), LOGGER_DATA);
q("COMMIT");
q("START TRANSACTION;");
$r = dbq("INSERT INTO `item` (`"
. implode("`, `", array_keys($arr))
. "`) VALUES ("
. implode(", ", array_values($arr))
. ")");
// And restore it
$arr = $unescaped;
// When the item was successfully stored we fetch the ID of the item.
if (dbm::is_result($r)) {
$r = q("SELECT LAST_INSERT_ID() AS `item-id`");
if (dbm::is_result($r)) {
$current_post = $r[0]['item-id'];
} else {
// This shouldn't happen
$current_post = 0;
}
} else {
// This can happen - for example - if there are locking timeouts.
q("ROLLBACK");
// Store the data into a spool file so that we can try again later.
// At first we restore the Diaspora signature that we removed above.
if (isset($encoded_signature)) {
$arr['dsprsig'] = $encoded_signature;
}
// Now we store the data in the spool directory
// We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
$file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
$spoolpath = get_spoolpath();
if ($spoolpath != "") {
$spool = $spoolpath.'/'.$file;
file_put_contents($spool, json_encode($arr));
logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG);
}
return 0;
}
if ($current_post == 0) {
// This is one of these error messages that never should occur.
logger("couldn't find created item - we better quit now.");
q("ROLLBACK");
return 0;
}
// How much entries have we created?
// We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
$r = q("SELECT COUNT(*) AS `entries` FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `network` = '%s'",
dbesc($arr['uri']),
intval($arr['uid']),
dbesc($arr['network'])
);
if (!dbm::is_result($r)) {
// This shouldn't happen, since COUNT always works when the database connection is there.
logger("We couldn't count the stored entries. Very strange ...");
q("ROLLBACK");
return 0;
}
if ($r[0]["entries"] > 1) {
// There are duplicates. We delete our just created entry.
logger('Duplicated post occurred. uri = ' . $arr['uri'] . ' uid = ' . $arr['uid']);
// Yes, we could do a rollback here - but we are having many users with MyISAM.
q("DELETE FROM `item` WHERE `id` = %d", intval($current_post));
q("COMMIT");
return 0;
} elseif ($r[0]["entries"] == 0) {
// This really should never happen since we quit earlier if there were problems.
logger("Something is terribly wrong. We haven't found our created entry.");
q("ROLLBACK");
return 0;
}
logger('item_store: created item '.$current_post);
item_set_last_item($arr);
if (!$parent_id || ($arr['parent-uri'] === $arr['uri'])) {
$parent_id = $current_post;
}
// Set parent id
$r = q("UPDATE `item` SET `parent` = %d WHERE `id` = %d",
intval($parent_id),
intval($current_post)
);
$arr['id'] = $current_post;
$arr['parent'] = $parent_id;
// update the commented timestamp on the parent
// Only update "commented" if it is really a comment
if (($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 ($dsprsig) {
/*
* Friendica servers lower than 3.4.3-2 had double encoded the signature ...
* We can check for this condition when we decode and encode the stuff again.
*/
if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
$dsprsig->signature = base64_decode($dsprsig->signature);
logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
}
q("INSERT INTO `sign` (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
intval($current_post),
dbesc($dsprsig->signed_text),
dbesc($dsprsig->signature),
dbesc($dsprsig->signer)
);
}
$deleted = tag_deliver($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 ((dbm::is_result($r)) && (count($r) == 1)) {
if ($notify) {
call_hooks('post_local_end', $r[0]);
} else {
call_hooks('post_remote_end', $r[0]);
}
} else {
logger('item_store: new item not found in DB, id ' . $current_post);
}
}
if ($arr['parent-uri'] === $arr['uri']) {
add_thread($current_post);
} else {
update_thread($parent_id);
}
q("COMMIT");
/*
* Due to deadlock issues with the "term" table we are doing these steps after the commit.
* This is not perfect - but a workable solution until we found the reason for the problem.
*/
create_tags_from_item($current_post);
create_files_from_item($current_post);
/*
* If this is now the last-child, force all _other_ children of this parent to *not* be last-child
* It is done after the transaction to avoid dead locks.
*/
if ($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)
);
}
if ($arr['parent-uri'] === $arr['uri']) {
add_shadow_thread($current_post);
} else {
add_shadow_entry($current_post);
}
check_item_notification($current_post, $uid);
if ($notify) {
proc_run(PRIORITY_HIGH, "include/notifier.php", $notify_type, $current_post);
}
return $current_post;
}
/**
* @brief 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)
*
* @param array $arr Contains the just posted item record
*/
function item_set_last_item($arr) {
$update = (!$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 (dbm::is_result($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($arr['contact-id'])
);
}
// Now do the same for the system wide contacts with uid=0
if (!$arr['private']) {
q("UPDATE `contact` SET `success_update` = '%s', `last-item` = '%s' WHERE `id` = %d",
dbesc($arr['received']),
dbesc($arr['received']),
intval($arr['owner-id'])
);
if ($arr['owner-id'] != $arr['author-id']) {
q("UPDATE `contact` SET `success_update` = '%s', `last-item` = '%s' WHERE `id` = %d",
dbesc($arr['received']),
dbesc($arr['received']),
intval($arr['author-id'])
);
}
}
}
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 = "^\[\]";
/// @TODO old-lost code?
// All hashtags should point to the home server
//$item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
// "#[url=".App::get_baseurl()."/search?tag=$2]$2[/url]", $item["body"]);
//$item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
// "#[url=".App::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=" . str_replace("#", "&num;", $match[1]) . "]" . str_replace("#", "&num;", $match[2]) . "[/url]");
}, $item["body"]);
$item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
function ($match) {
return ("[bookmark=" . str_replace("#", "&num;", $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) || (strpos($tag, '[url='))) {
continue;
}
$basetag = str_replace('_',' ',substr($tag,1));
$newtag = '#[url=' . App::get_baseurl() . '/search?tag=' . rawurlencode($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 (dbm::is_result($r)) {
return $r[0]["guid"];
} else {
/// @TODO This else-block can be elimited again
return "";
}
}
function get_item_id($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($uid));
if (dbm::is_result($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 (dbm::is_result($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 (! dbm::is_result($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($uid)
);
if (! dbm::is_result($i)) {
return;
}
$item = $i[0];
$link = normalise_link(App::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(App::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;
}
$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 (! dbm::is_result($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(PRIORITY_HIGH,'include/notifier.php', 'tgroup', $item_id);
}
function tgroup_check($uid, $item) {
$mention = false;
// check that the message originated elsewhere and is a top-level post
if (($item['wall']) || ($item['origin']) || ($item['uri'] != $item['parent-uri'])) {
return false;
}
/// @TODO Encapsulate this or find it encapsulated and replace all occurrances
$u = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
intval($uid)
);
if (! dbm::is_result($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(App::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(App::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 (! $mention) {
return false;
}
/// @TODO Combine both return statements into one
return (($community_page) || ($prvgroup));
}
/**
* This function returns true if $update has an edited timestamp newer
* than $existing, i.e. $update contains new data which should override
* what's already there. If there is no timestamp yet, the update is
* assumed to be newer. If the update has no timestamp, the existing
* item is assumed to be up-to-date. If the timestamps are equal it
* assumes the update has been seen before and should be ignored.
*
* @todo fix type-hints (both array)
*/
function edited_timestamp_is_newer ($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 $pass = 2, we only pull children (comments/likes).
*
* So running this twice, first with pass 1 and then with pass 2 will do the right
* thing regardless of feed ordering. This won't be adequate in a fully-threaded
* model where comments can have sub-threads. That would require some massive sorting
* to get all the feed items into a mostly linear ordering, and might still require
* recursion.
*
* @todo find proper type-hints
*/
function consume_feed($xml, $importer, &$contact, &$hub, $datedir = 0, $pass = 0) {
if ($contact['network'] === NETWORK_OSTATUS) {
if ($pass < 2) {
// Test - remove before flight
//$tempfile = tempnam(get_temppath(), "ostatus2");
//file_put_contents($tempfile, $xml);
logger("Consume OStatus messages ", LOGGER_DEBUG);
ostatus::import($xml, $importer, $contact, $hub);
}
return;
}
if ($contact['network'] === NETWORK_FEED) {
if ($pass < 2) {
logger("Consume feeds", LOGGER_DEBUG);
feed_import($xml, $importer, $contact, $hub);
}
return;
}
if ($contact['network'] === NETWORK_DFRN) {
logger("Consume DFRN messages", LOGGER_DEBUG);
$r = q("SELECT `contact`.*, `contact`.`uid` AS `importer_uid`,
`contact`.`pubkey` AS `cpubkey`,
`contact`.`prvkey` AS `cprvkey`,
`contact`.`thumb` AS `thumb`,
`contact`.`url` as `url`,
`contact`.`name` as `senderName`,
`user`.*
FROM `contact`
LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
WHERE `contact`.`id` = %d AND `user`.`uid` = %d",
dbesc($contact["id"]), dbesc($importer["uid"])
);
if (dbm::is_result($r)) {
logger("Now import the DFRN feed");
dfrn::import($xml, $r[0], true);
return;
}
}
}
/// @TODO type-hint is array
function item_is_remote_self($contact, &$datarray) {
$a = get_app();
if (!$contact['remote_self']) {
return false;
}
// Prevent the forwarding of posts that are forwarded
if ($datarray["extid"] == NETWORK_DFRN) {
return false;
}
// Prevent to forward already forwarded posts
if ($datarray["app"] == $a->get_hostname()) {
return false;
}
// Only forward posts
if ($datarray["verb"] != ACTIVITY_POST) {
return false;
}
if (($contact['network'] != NETWORK_FEED) AND $datarray['private']) {
return false;
}
$datarray2 = $datarray;
logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
if ($contact['remote_self'] == 2) {
$r = q("SELECT `id`,`url`,`name`,`thumb` FROM `contact` WHERE `uid` = %d AND `self`",
intval($contact['uid']));
if (dbm::is_result($r)) {
$datarray['contact-id'] = $r[0]["id"];
$datarray['owner-name'] = $r[0]["name"];
$datarray['owner-link'] = $r[0]["url"];
$datarray['owner-avatar'] = $r[0]["thumb"];
$datarray['author-name'] = $datarray['owner-name'];
$datarray['author-link'] = $datarray['owner-link'];
$datarray['author-avatar'] = $datarray['owner-avatar'];
}
if ($contact['network'] != NETWORK_FEED) {
$datarray["guid"] = get_guid(32);
unset($datarray["plink"]);
$datarray["uri"] = item_new_uri($a->get_hostname(), $contact['uid'], $datarray["guid"]);
$datarray["parent-uri"] = $datarray["uri"];
$datarray["extid"] = $contact['network'];
$urlpart = parse_url($datarray2['author-link']);
$datarray["app"] = $urlpart["host"];
} else {
$datarray['private'] = 0;
}
}
if ($contact['network'] != NETWORK_FEED) {
// Store the original post
$r = item_store($datarray2, false, false);
logger('remote-self post original item - Contact '.$contact['url'].' return '.$r.' Item '.print_r($datarray2, true), LOGGER_DEBUG);
} else {
$datarray["app"] = "Feed";
}
return true;
}
/// @TODO find proper type-hints
function new_follower($importer, $contact, $datarray, $item, $sharing = false) {
$url = notags(trim($datarray['author-link']));
$name = notags(trim($datarray['author-name']));
$photo = notags(trim($datarray['author-avatar']));
if (is_object($item)) {
$rawtag = $item->get_item_tags(NAMESPACE_ACTIVITY,'actor');
if ($rawtag && $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data']) {
$nick = $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'];
}
} else {
$nick = $item;
}
if (is_array($contact)) {
if (($contact['network'] == NETWORK_OSTATUS && $contact['rel'] == CONTACT_IS_SHARING)
|| ($sharing && $contact['rel'] == CONTACT_IS_FOLLOWER)) {
$r = q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d",
intval(CONTACT_IS_FRIEND),
intval($contact['id']),
intval($importer['uid'])
);
}
// send email notification to owner?
} else {
// create contact record
$r = q("INSERT INTO `contact` (`uid`, `created`, `url`, `nurl`, `name`, `nick`, `photo`, `network`, `rel`,
`blocked`, `readonly`, `pending`, `writable`)
VALUES (%d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, 1)",
intval($importer['uid']),
dbesc(datetime_convert()),
dbesc($url),
dbesc(normalise_link($url)),
dbesc($name),
dbesc($nick),
dbesc($photo),
dbesc(($sharing) ? NETWORK_ZOT : NETWORK_OSTATUS),
intval(($sharing) ? CONTACT_IS_SHARING : CONTACT_IS_FOLLOWER)
);
$r = q("SELECT `id`, `network` FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `pending` = 1 LIMIT 1",
intval($importer['uid']),
dbesc($url)
);
if (dbm::is_result($r)) {
$contact_record = $r[0];
update_contact_avatar($photo, $importer["uid"], $contact_record["id"], true);
}
/// @TODO Encapsulate this into a function/method
$r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
intval($importer['uid'])
);
if (dbm::is_result($r) AND !in_array($r[0]['page-flags'], array(PAGE_SOAPBOX, PAGE_FREELOVE))) {
// create notification
$hash = random_string();
if (is_array($contact_record)) {
$ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `hash`, `datetime`)
VALUES ( %d, %d, 0, 0, '%s', '%s' )",
intval($importer['uid']),
intval($contact_record['id']),
dbesc($hash),
dbesc(datetime_convert())
);
}
$def_gid = get_default_group($importer['uid'], $contact_record["network"]);
if (intval($def_gid)) {
group_add_member($importer['uid'], '', $contact_record['id'], $def_gid);
}
if (($r[0]['notify-flags'] & NOTIFY_INTRO) &&
in_array($r[0]['page-flags'], array(PAGE_NORMAL))) {
notification(array(
'type' => NOTIFY_INTRO,
'notify_flags' => $r[0]['notify-flags'],
'language' => $r[0]['language'],
'to_name' => $r[0]['username'],
'to_email' => $r[0]['email'],
'uid' => $r[0]['uid'],
'link' => App::get_baseurl() . '/notifications/intro',
'source_name' => ((strlen(stripslashes($contact_record['name']))) ? stripslashes($contact_record['name']) : t('[Name Withheld]')),
'source_link' => $contact_record['url'],
'source_photo' => $contact_record['photo'],
'verb' => ($sharing ? ACTIVITY_FRIEND : ACTIVITY_FOLLOW),
'otype' => 'intro'
));
}
} elseif (dbm::is_result($r) AND in_array($r[0]['page-flags'], array(PAGE_SOAPBOX, PAGE_FREELOVE))) {
$r = q("UPDATE `contact` SET `pending` = 0 WHERE `uid` = %d AND `url` = '%s' AND `pending` LIMIT 1",
intval($importer['uid']),
dbesc($url)
);
}
}
}
function lose_follower($importer, $contact, array $datarray = array(), $item = "") {
if (($contact['rel'] == CONTACT_IS_FRIEND) || ($contact['rel'] == CONTACT_IS_SHARING)) {
q("UPDATE `contact` SET `rel` = %d WHERE `id` = %d",
intval(CONTACT_IS_SHARING),
intval($contact['id'])
);
} else {
contact_remove($contact['id']);
}
}
function lose_sharer($importer, $contact, array $datarray = array(), $item = "") {
if (($contact['rel'] == CONTACT_IS_FRIEND) || ($contact['rel'] == CONTACT_IS_FOLLOWER)) {
q("UPDATE `contact` SET `rel` = %d WHERE `id` = %d",
intval(CONTACT_IS_FOLLOWER),
intval($contact['id'])
);
} else {
contact_remove($contact['id']);
}
}
function subscribe_to_hub($url, $importer, $contact, $hubmode = 'subscribe') {
$a = get_app();
if (is_array($importer)) {
$r = q("SELECT `nickname` FROM `user` WHERE `uid` = %d LIMIT 1",
intval($importer['uid'])
);
}
/*
* Diaspora has different message-ids in feeds than they do
* through the direct Diaspora protocol. If we try and use
* the feed, we'll get duplicates. So don't.
*/
if ((! dbm::is_result($r)) || $contact['network'] === NETWORK_DIASPORA) {
return;
}
$push_url = get_config('system','url') . '/pubsub/' . $r[0]['nickname'] . '/' . $contact['id'];
// Use a single verify token, even if multiple hubs
$verify_token = ((strlen($contact['hub-verify'])) ? $contact['hub-verify'] : random_string());
$params= 'hub.mode=' . $hubmode . '&hub.callback=' . urlencode($push_url) . '&hub.topic=' . urlencode($contact['poll']) . '&hub.verify=async&hub.verify_token=' . $verify_token;
logger('subscribe_to_hub: ' . $hubmode . ' ' . $contact['name'] . ' to hub ' . $url . ' endpoint: ' . $push_url . ' with verifier ' . $verify_token);
if (!strlen($contact['hub-verify']) OR ($contact['hub-verify'] != $verify_token)) {
$r = q("UPDATE `contact` SET `hub-verify` = '%s' WHERE `id` = %d",
dbesc($verify_token),
intval($contact['id'])
);
}
post_url($url, $params);
logger('subscribe_to_hub: returns: ' . $a->get_curl_code(), LOGGER_DEBUG);
return;
}
function fix_private_photos($s, $uid, $item = null, $cid = 0) {
if (get_config('system','disable_embedded')) {
return $s;
}
$a = get_app();
logger('fix_private_photos: check for photos', LOGGER_DEBUG);
$site = substr(App::get_baseurl(),strpos(App::get_baseurl(),'://'));
$orig_body = $s;
$new_body = '';
$img_start = strpos($orig_body, '[img');
$img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
$img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
while ( ($img_st_close !== false) && ($img_len !== false) ) {
$img_st_close++; // make it point to AFTER the closing bracket
$image = substr($orig_body, $img_start + $img_st_close, $img_len);
logger('fix_private_photos: found photo ' . $image, LOGGER_DEBUG);
if (stristr($image , $site . '/photo/')) {
// Only embed locally hosted photos
$replace = false;
$i = basename($image);
$i = str_replace(array('.jpg', '.png', '.gif'),array('', '',''), $i);
$x = strpos($i, '-');
if ($x) {
$res = substr($i, $x + 1);
$i = substr($i, 0, $x);
$r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d AND `uid` = %d",
dbesc($i),
intval($res),
intval($uid)
);
if (dbm::is_result($r)) {
/*
* Check to see if we should replace this photo link with an embedded image
* 1. No need to do so if the photo is public
* 2. If there's a contact-id provided, see if they're in the access list
* for the photo. If so, embed it.
* 3. Otherwise, if we have an item, see if the item permissions match the photo
* permissions, regardless of order but first check to see if they're an exact
* match to save some processing overhead.
*/
if (has_permissions($r[0])) {
if ($cid) {
$recips = enumerate_permissions($r[0]);
if (in_array($cid, $recips)) {
$replace = true;
}
} elseif ($item) {
if (compare_permissions($item, $r[0])) {
$replace = true;
}
}
}
if ($replace) {
$data = $r[0]['data'];
$type = $r[0]['type'];
// If a custom width and height were specified, apply before embedding
if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
logger('fix_private_photos: scaling photo', LOGGER_DEBUG);
$width = intval($match[1]);
$height = intval($match[2]);
$ph = new Photo($data, $type);
if ($ph->is_valid()) {
$ph->scaleImage(max($width, $height));
$data = $ph->imageString();
$type = $ph->getType();
}
}
logger('fix_private_photos: replacing photo', LOGGER_DEBUG);
$image = 'data:' . $type . ';base64,' . base64_encode($data);
logger('fix_private_photos: replaced: ' . $image, LOGGER_DATA);
}
}
}
}
$new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
$orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
if ($orig_body === false) {
$orig_body = '';
}
$img_start = strpos($orig_body, '[img');
$img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
$img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
}
$new_body = $new_body . $orig_body;
return $new_body;
}
/// @TODO type-hint is array
function has_permissions($obj) {
return (
(
x($obj, 'allow_cid')
) || (
x($obj, 'allow_gid')
) || (
x($obj, 'deny_cid')
) || (
x($obj, 'deny_gid')
)
);
}
/// @TODO type-hint is array
function compare_permissions($obj1, $obj2) {
// first part is easy. Check that these are exactly the same.
if (($obj1['allow_cid'] == $obj2['allow_cid'])
&& ($obj1['allow_gid'] == $obj2['allow_gid'])
&& ($obj1['deny_cid'] == $obj2['deny_cid'])
&& ($obj1['deny_gid'] == $obj2['deny_gid'])) {
return true;
}
// This is harder. Parse all the permissions and compare the resulting set.
$recipients1 = enumerate_permissions($obj1);
$recipients2 = enumerate_permissions($obj2);
sort($recipients1);
sort($recipients2);
/// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
return ($recipients1 == $recipients2);
}
// returns an array of contact-ids that are allowed to see this object
/// @TODO type-hint is array
function enumerate_permissions($obj) {
$allow_people = expand_acl($obj['allow_cid']);
$allow_groups = expand_groups(expand_acl($obj['allow_gid']));
$deny_people = expand_acl($obj['deny_cid']);
$deny_groups = expand_groups(expand_acl($obj['deny_gid']));
$recipients = array_unique(array_merge($allow_people, $allow_groups));
$deny = array_unique(array_merge($deny_people, $deny_groups));
$recipients = array_diff($recipients, $deny);
return $recipients;
}
function item_getfeedtags($item) {
$ret = array();
$matches = false;
$cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
if ($cnt) {
for ($x = 0; $x < $cnt; $x ++) {
if ($matches[1][$x]) {
$ret[$matches[2][$x]] = array('#', $matches[1][$x], $matches[2][$x]);
}
}
}
$matches = false;
$cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
if ($cnt) {
for ($x = 0; $x < $cnt; $x ++) {
if ($matches[1][$x]) {
$ret[] = array('@', $matches[1][$x], $matches[2][$x]);
}
}
}
return $ret;
}
function item_expire($uid, $days, $network = "", $force = false) {
if ((! $uid) || ($days < 1)) {
return;
}
/*
* $expire_network_only = save your own wall posts
* and just expire conversations started by others
*/
$expire_network_only = get_pconfig($uid,'expire', 'network_only');
$sql_extra = ((intval($expire_network_only)) ? " AND wall = 0 " : "");
if ($network != "") {
$sql_extra .= sprintf(" AND network = '%s' ", dbesc($network));
/*
* There is an index "uid_network_received" but not "uid_network_created"
* This avoids the creation of another index just for one purpose.
* And it doesn't really matter wether to look at "received" or "created"
*/
$range = "AND `received` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
} else {
$range = "AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
}
$r = q("SELECT `file`, `resource-id`, `starred`, `type`, `id` FROM `item`
WHERE `uid` = %d $range
AND `id` = `parent`
$sql_extra
AND `deleted` = 0",
intval($uid),
intval($days)
);
if (! dbm::is_result($r)) {
return;
}
$expire_items = get_pconfig($uid, 'expire', 'items');
$expire_items = (($expire_items === false) ? 1 : intval($expire_items)); // default if not set: 1
// Forcing expiring of items - but not notes and marked items
if ($force) {
$expire_items = true;
}
$expire_notes = get_pconfig($uid, 'expire', 'notes');
$expire_notes = (($expire_notes === false) ? 1 : intval($expire_notes)); // default if not set: 1
$expire_starred = get_pconfig($uid, 'expire', 'starred');
$expire_starred = (($expire_starred === false) ? 1 : intval($expire_starred)); // default if not set: 1
$expire_photos = get_pconfig($uid, 'expire', 'photos');
$expire_photos = (($expire_photos === false) ? 0 : intval($expire_photos)); // default if not set: 0
logger('expire: # items=' . count($r). "; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
foreach ($r as $item) {
// don't expire filed items
if (strpos($item['file'],'[') !== false) {
continue;
}
// Only expire posts, not photos and photo comments
if ($expire_photos == 0 && strlen($item['resource-id'])) {
continue;
} elseif ($expire_starred == 0 && intval($item['starred'])) {
continue;
} elseif ($expire_notes == 0 && $item['type'] == 'note') {
continue;
} elseif ($expire_items == 0 && $item['type'] != 'note') {
continue;
}
drop_item($item['id'], false);
}
proc_run(PRIORITY_HIGH, "include/notifier.php", "expire", $uid);
}
/// @TODO type-hint is array
function drop_items($items) {
$uid = 0;
if (! local_user() && ! remote_user()) {
return;
}
if (count($items)) {
foreach ($items as $item) {
$owner = drop_item($item,false);
if ($owner && ! $uid)
$uid = $owner;
}
}
// multiple threads may have been deleted, send an expire notification
if ($uid) {
proc_run(PRIORITY_HIGH, "include/notifier.php", "expire", $uid);
}
}
function drop_item($id, $interactive = true) {
$a = get_app();
// locate item to be deleted
$r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
intval($id)
);
if (! dbm::is_result($r)) {
if (! $interactive) {
return 0;
}
notice( t('Item not found.') . EOL);
goaway(App::get_baseurl() . '/' . $_SESSION['return_url']);
}
$item = $r[0];
$owner = $item['uid'];
$contact_id = 0;
// check if logged in user is either the author or owner of this item
if (is_array($_SESSION['remote'])) {
foreach ($_SESSION['remote'] as $visitor) {
if ($visitor['uid'] == $item['uid'] && $visitor['cid'] == $item['contact-id']) {
$contact_id = $visitor['cid'];
break;
}
}
}
if ((local_user() == $item['uid']) || ($contact_id) || (! $interactive)) {
// Check if we should do HTML-based delete confirmation
if ($_REQUEST['confirm']) {
// <form> can't take arguments in its "action" parameter
// so add any arguments as hidden inputs
$query = explode_querystring($a->query_string);
$inputs = array();
foreach ($query['args'] as $arg) {
if (strpos($arg, 'confirm=') === false) {
$arg_parts = explode('=', $arg);
$inputs[] = array('name' => $arg_parts[0], 'value' => $arg_parts[1]);
}
}
return replace_macros(get_markup_template('confirm.tpl'), array(
'$method' => 'get',
'$message' => t('Do you really want to delete this item?'),
'$extra_inputs' => $inputs,
'$confirm' => t('Yes'),
'$confirm_url' => $query['base'],
'$confirm_name' => 'confirmed',
'$cancel' => t('Cancel'),
));
}
// Now check how the user responded to the confirmation query
if ($_REQUEST['canceled']) {
goaway(App::get_baseurl() . '/' . $_SESSION['return_url']);
}
logger('delete item: ' . $item['id'], LOGGER_DEBUG);
// delete the item
$r = q("UPDATE `item` SET `deleted` = 1, `title` = '', `body` = '', `edited` = '%s', `changed` = '%s' WHERE `id` = %d",
dbesc(datetime_convert()),
dbesc(datetime_convert()),
intval($item['id'])
);
create_tags_from_item($item['id']);
create_files_from_item($item['id']);
delete_thread($item['id'], $item['parent-uri']);
// clean up categories and tags so they don't end up as orphans
$matches = false;
$cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
if ($cnt) {
foreach ($matches as $mtch) {
file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
}
}
$matches = false;
$cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
if ($cnt) {
foreach ($matches as $mtch) {
file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
}
}
/*
* If item is a link to a photo resource, nuke all the associated photos
* (visitors will not have photo resources)
* This only applies to photos uploaded from the photos page. Photos inserted into a post do not
* generate a resource-id and therefore aren't intimately linked to the item.
*/
if (strlen($item['resource-id'])) {
q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `uid` = %d ",
dbesc($item['resource-id']),
intval($item['uid'])
);
// ignore the result
}
// If item is a link to an event, nuke the event record.
if (intval($item['event-id'])) {
q("DELETE FROM `event` WHERE `id` = %d AND `uid` = %d",
intval($item['event-id']),
intval($item['uid'])
);
// ignore the result
}
// If item has attachments, drop them
foreach (explode(", ", $item['attach']) as $attach) {
preg_match("|attach/(\d+)|", $attach, $matches);
q("DELETE FROM `attach` WHERE `id` = %d AND `uid` = %d",
intval($matches[1]),
local_user()
);
// ignore the result
}
// clean up item_id and sign meta-data tables
/*
/// @TODO Old code - caused very long queries and warning entries in the mysql logfiles:
$r = q("DELETE FROM item_id where iid in (select id from item where parent = %d and uid = %d)",
intval($item['id']),
intval($item['uid'])
);
$r = q("DELETE FROM sign where iid in (select id from item where parent = %d and uid = %d)",
intval($item['id']),
intval($item['uid'])
);
*/
// The new code splits the queries since the mysql optimizer really has bad problems with subqueries
// Creating list of parents
$r = q("SELECT `id` FROM `item` WHERE `parent` = %d AND `uid` = %d",
intval($item['id']),
intval($item['uid'])
);
$parentid = "";
foreach ($r as $row) {
if ($parentid != "") {
$parentid .= ", ";
}
$parentid .= $row["id"];
}
// Now delete them
if ($parentid != "") {
$r = q("DELETE FROM `item_id` WHERE `iid` IN (%s)", dbesc($parentid));
$r = q("DELETE FROM `sign` WHERE `iid` IN (%s)", dbesc($parentid));
}
// If it's the parent of a comment thread, kill all the kids
if ($item['uri'] == $item['parent-uri']) {
$r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '' , `title` = ''
WHERE `parent-uri` = '%s' AND `uid` = %d ",
dbesc(datetime_convert()),
dbesc(datetime_convert()),
dbesc($item['parent-uri']),
intval($item['uid'])
);
create_tags_from_itemuri($item['parent-uri'], $item['uid']);
create_files_from_itemuri($item['parent-uri'], $item['uid']);
delete_thread_uri($item['parent-uri'], $item['uid']);
// ignore the result
} else {
// ensure that last-child is set in case the comment that had it just got wiped.
q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
dbesc(datetime_convert()),
dbesc($item['parent-uri']),
intval($item['uid'])
);
// who is the last child now?
$r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d ORDER BY `edited` DESC LIMIT 1",
dbesc($item['parent-uri']),
intval($item['uid'])
);
if (dbm::is_result($r)) {
q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d",
intval($r[0]['id'])
);
}
}
$drop_id = intval($item['id']);
// send the notification upstream/downstream as the case may be
proc_run(PRIORITY_HIGH, "include/notifier.php", "drop", $drop_id);
if (! $interactive) {
return $owner;
}
goaway(App::get_baseurl() . '/' . $_SESSION['return_url']);
//NOTREACHED
} else {
if (! $interactive) {
return 0;
}
notice( t('Permission denied.') . EOL);
goaway(App::get_baseurl() . '/' . $_SESSION['return_url']);
//NOTREACHED
}
}
function first_post_date($uid, $wall = false) {
$r = q("SELECT `id`, `created` FROM `item`
WHERE `uid` = %d AND `wall` = %d AND `deleted` = 0 AND `visible` = 1 AND `moderated` = 0
AND `id` = `parent`
ORDER BY `created` ASC LIMIT 1",
intval($uid),
intval($wall ? 1 : 0)
);
if (dbm::is_result($r)) {
// logger('first_post_date: ' . $r[0]['id'] . ' ' . $r[0]['created'], LOGGER_DATA);
return substr(datetime_convert('',date_default_timezone_get(), $r[0]['created']),0,10);
}
return false;
}
/* modified posted_dates() {below} to arrange the list in years */
function list_post_dates($uid, $wall) {
$dnow = datetime_convert('',date_default_timezone_get(), 'now','Y-m-d');
$dthen = first_post_date($uid, $wall);
if (! $dthen) {
return array();
}
// Set the start and end date to the beginning of the month
$dnow = substr($dnow, 0, 8) . '01';
$dthen = substr($dthen, 0, 8) . '01';
$ret = array();
/*
* Starting with the current month, get the first and last days of every
* month down to and including the month of the first post
*/
while (substr($dnow, 0, 7) >= substr($dthen, 0, 7)) {
$dyear = intval(substr($dnow, 0, 4));
$dstart = substr($dnow, 0, 8) . '01';
$dend = substr($dnow, 0, 8) . get_dim(intval($dnow), intval(substr($dnow, 5)));
$start_month = datetime_convert('', '', $dstart, 'Y-m-d');
$end_month = datetime_convert('', '', $dend, 'Y-m-d');
$str = day_translate(datetime_convert('', '', $dnow, 'F'));
if (!$ret[$dyear]) {
$ret[$dyear] = array();
}
$ret[$dyear][] = array($str, $end_month, $start_month);
$dnow = datetime_convert('', '', $dnow . ' -1 month', 'Y-m-d');
}
return $ret;
}
function posted_dates($uid, $wall) {
$dnow = datetime_convert('', date_default_timezone_get(), 'now', 'Y-m-d');
$dthen = first_post_date($uid, $wall);
if (! $dthen) {
return array();
}
// Set the start and end date to the beginning of the month
$dnow = substr($dnow, 0, 8) . '01';
$dthen = substr($dthen, 0, 8) . '01';
$ret = array();
/*
* Starting with the current month, get the first and last days of every
* month down to and including the month of the first post
*/
while (substr($dnow, 0, 7) >= substr($dthen, 0, 7)) {
$dstart = substr($dnow, 0, 8) . '01';
$dend = substr($dnow, 0, 8) . get_dim(intval($dnow), intval(substr($dnow, 5)));
$start_month = datetime_convert('', '', $dstart, 'Y-m-d');
$end_month = datetime_convert('', '', $dend, 'Y-m-d');
$str = day_translate(datetime_convert('', '', $dnow, 'F Y'));
$ret[] = array($str, $end_month, $start_month);
$dnow = datetime_convert('', '', $dnow . ' -1 month', 'Y-m-d');
}
return $ret;
}
function posted_date_widget($url, $uid, $wall) {
$o = '';
if (! feature_enabled($uid, 'archives')) {
return $o;
}
// For former Facebook folks that left because of "timeline"
/*
* @TODO old-lost code?
if ($wall && intval(get_pconfig($uid, 'system', 'no_wall_archive_widget')))
return $o;
*/
$visible_years = get_pconfig($uid,'system','archive_visible_years');
if (! $visible_years) {
$visible_years = 5;
}
$ret = list_post_dates($uid, $wall);
if (! dbm::is_result($ret)) {
return $o;
}
$cutoff_year = intval(datetime_convert('',date_default_timezone_get(), 'now', 'Y')) - $visible_years;
$cutoff = ((array_key_exists($cutoff_year, $ret))? true : false);
$o = replace_macros(get_markup_template('posted_date_widget.tpl'),array(
'$title' => t('Archives'),
'$size' => $visible_years,
'$cutoff_year' => $cutoff_year,
'$cutoff' => $cutoff,
'$url' => $url,
'$dates' => $ret,
'$showmore' => t('show more')
));
return $o;
}