- $text .= "]".$data["text"]."[/attachment]";
-
- $hashtags = "";
- if (isset($data["keywords"]) && count($data["keywords"])) {
- $hashtags = "\n";
- foreach ($data["keywords"] AS $keyword) {
- /// @todo make a positive list of allowed characters
- $hashtag = str_replace([" ", "+", "/", ".", "#", "'", "’", "`", "(", ")", "„", "“"],
- ["", "", "", "", "", "", "", "", "", "", "", ""], $keyword);
- $hashtags .= "#[url=" . System::baseUrl() . "/search?tag=" . rawurlencode($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 (!$keywords && isset($data["keywords"])) {
- unset($data["keywords"]);
- }
-
- if (($keyword_blacklist != "") && 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"]) && count($data["keywords"])) {
- foreach ($data["keywords"] AS $keyword) {
- $hashtag = str_replace([" ", "+", "/", ".", "#", "'"],
- ["", "", "", "", "", ""], $keyword);
-
- if ($tags != "") {
- $tags .= ", ";
- }
-
- $tags .= "#[url=" . System::baseUrl() . "/search?tag=" . rawurlencode($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 && $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) && (trim($footer) != "") && (strpos($footer, $matches[1]))) {
- $removedlink = trim(str_replace($matches[1], "", $body));
- if (($removedlink == "") || strstr($body, $removedlink)) {
- $body = $removedlink;
- }
-
- $url = str_replace(['/', '.'], ['\/', '\.'], $matches[1]);
- $removedlink = preg_replace("/\[url\=" . $url . "\](.*?)\[\/url\]/ism", '', $body);
- if (($removedlink == "") || strstr($body, $removedlink)) {
- $body = $removedlink;
- }
- }
-
- // Add the page information to the bottom
- if (isset($footer) && (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 = "";
- }
-
- $naked_body = preg_replace('/\[(.+?)\]/','', $arr['body']);
- $l = new Text_LanguageDetect();
- $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);
-
- // When the hostname isn't given, we take it from the uri
- if ($host == "") {
- // Is it in the format data@host.tld?
- if ((count($parsed) == 1) && strstr($uri, '@')) {
- $mailparts = explode('@', $uri);
- $host = array_pop($mailparts);
- } else {
- $host = $parsed["host"];
- }
- }
-
- // We use a hash of the hostname as prefix for the guid
- $guid_prefix = hash("crc32", $host);
-
- // Remove the scheme to make sure that "https" and "http" doesn't make a difference
- unset($parsed["scheme"]);
-
- // Glue it together to be able to make a hash from it
- $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(defaults($arr, 'network', NETWORK_PHANTOM), [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS]) && !empty($arr['uri'])) {
- $conversation = ['item-uri' => $arr['uri'], 'received' => DBM::date()];
-
- if (isset($arr['parent-uri']) && ($arr['parent-uri'] != $arr['uri'])) {
- $conversation['reply-to-uri'] = $arr['parent-uri'];
- }
- if (isset($arr['thr-parent']) && ($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'] < $conversation['protocol']) && ($old_conv['protocol'] != 0)) {
- unset($conversation['protocol']);
- unset($conversation['source']);
- }
- if (!dba::update('conversation', $conversation, ['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', $conversation, true)) {
- logger('Conversation: insert for '.$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['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());
- }
- }
- } else {
- $arr['network'] = trim(defaults($arr, 'network', NETWORK_PHANTOM));
- }
-
- if ($notify) {
- $guid_prefix = "";
- } elseif ((trim($arr['guid']) == "") && (trim($arr['plink']) != "")) {
- $arr['guid'] = uri_to_guid($arr['plink']);
- } elseif ((trim($arr['guid']) == "") && (trim($arr['uri']) != "")) {
- $arr['guid'] = uri_to_guid($arr['uri']);
- } else {
- $parsed = parse_url($arr["author-link"]);
- $guid_prefix = hash("crc32", $parsed["host"]);
- }
-
- $arr['guid'] = ((x($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']));
-
- // 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($arr['dsprsig']);
- }
-
- // Converting the plink
- /// @todo Check if this is really still needed
- if ($arr['network'] == NETWORK_OSTATUS) {
- if (isset($arr['plink'])) {
- $arr['plink'] = OStatus::convertHref($arr['plink']);
- } elseif (isset($arr['uri'])) {
- $arr['plink'] = OStatus::convertHref($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';
- }
-
- $uid = intval($arr['uid']);
-
- // check for create date and expire time
- $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
-
- $user = dba::selectFirst('user', ['expire'], ['uid' => $uid]);
- if (DBM::is_result($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
- $expire_interval = $user['expire'];
- }
-
- if (($expire_interval > 0) && !empty($arr['created'])) {
- $expire_date = time() - ($expire_interval * 86400);
- $created_date = strtotime($arr['created']);
- if ($created_date < $expire_date) {
- logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($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($arr['network'], [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);
-
- $arr['wall'] = ((x($arr, 'wall')) ? intval($arr['wall']) : 0);
- $arr['extid'] = ((x($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'])) : '');
- $arr['received'] = ((x($arr, 'received') !== false) ? datetime_convert('UTC','UTC', $arr['received']) : datetime_convert());
- $arr['created'] = ((x($arr, 'created') !== false) ? datetime_convert('UTC','UTC', $arr['created']) : $arr['received']);
- $arr['edited'] = ((x($arr, 'edited') !== false) ? datetime_convert('UTC','UTC', $arr['edited']) : $arr['created']);
- $arr['changed'] = ((x($arr, 'changed') !== false) ? datetime_convert('UTC','UTC', $arr['changed']) : $arr['created']);
- $arr['commented'] = ((x($arr, 'commented') !== false) ? datetime_convert('UTC','UTC', $arr['commented']) : $arr['created']);
- $arr['title'] = ((x($arr, 'title')) ? trim($arr['title']) : '');
- $arr['location'] = ((x($arr, 'location')) ? trim($arr['location']) : '');
- $arr['coord'] = ((x($arr, 'coord')) ? notags(trim($arr['coord'])) : '');
- $arr['visible'] = ((x($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 );
- $arr['postopts'] = ((x($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($arr['file']) : '');
-
- // When there is no content then we don't post it
- if ($arr['body'].$arr['title'] == '') {
- return 0;
- }
-
- // Items cannot be stored before they happen ...
- if ($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'] == "") && ($arr['owner-link'] == "")) {
- logger("Both author-link and owner-link are empty. Called by: " . System::callstack(), LOGGER_DEBUG);
- }
-
- if ($arr['plink'] == "") {
- $arr['plink'] = System::baseUrl() . '/display/' . urlencode($arr['guid']);
- }
-
- if ($arr['network'] == NETWORK_PHANTOM) {
- $r = q("SELECT `network` FROM `contact` WHERE `network` IN ('%s', '%s', '%s') AND `nurl` = '%s' AND `uid` = %d LIMIT 1",
- dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS),
- dbesc(normalise_link($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']) {
- $arr["contact-id"] = Contact::getIdForURL($arr['author-link'], $uid);
- }
-
- // If not present then maybe the owner was found
- if ($arr["contact-id"] == 0) {
- $arr["contact-id"] = Contact::getIdForURL($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 (!x($arr, "gcontact-id")) {
- /*
- * The gcontact should mostly behave like the contact. But is is supposed to be global for the system.
- * This means that wall posts, repeated posts, etc. should have the gcontact id of the owner.
- * On comments the author is the better choice.
- */
- if ($arr['parent-uri'] === $arr['uri']) {
- $arr["gcontact-id"] = GContact::getId(["url" => $arr['owner-link'], "network" => $arr['network'],
- "photo" => $arr['owner-avatar'], "name" => $arr['owner-name']]);
- } else {
- $arr["gcontact-id"] = GContact::getId(["url" => $arr['author-link'], "network" => $arr['network'],
- "photo" => $arr['author-avatar'], "name" => $arr['author-name']]);
- }
- }
-
- if ($arr["author-id"] == 0) {
- $arr["author-id"] = Contact::getIdForURL($arr["author-link"], 0);
- }
-
- if (Contact::isBlocked($arr["author-id"])) {
- logger('Contact '.$arr["author-id"].' is blocked, item '.$arr["uri"].' will not be stored');
- return 0;
- }
-
- if ($arr["owner-id"] == 0) {
- $arr["owner-id"] = Contact::getIdForURL($arr["owner-link"], 0);
- }
-
- if (Contact::isBlocked($arr["owner-id"])) {
- logger('Contact '.$arr["owner-id"].' is blocked, item '.$arr["uri"].' will not be stored');
- return 0;
- }
-
- if ($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)) {
- $self = normalise_link(System::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']) == $self) || (normalise_link($arr['owner-link']) == $self)) {
- dba::update('thread', ['mention' => true], ['iid' => $parent_id]);
- logger("item_store: tagged thread ".$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'], [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
- dba::update('item', ['global' => true], ['uri' => $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', $arr);
- }
-
- // This array field is used to trigger some automatic reactions
- // It is mainly used in the "post_local" hook.
- unset($arr['api_source']);
-
- 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) {
- $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = 0 LIMIT 1", dbesc(trim($arr['uri'])));
- if (DBM::is_result($r)) {
- logger('Global item already stored. URI: '.$arr['uri'].' on network '.$arr['network'], LOGGER_DEBUG);
- return 0;
- }
- }
-
- logger('item_store: ' . print_r($arr,true), LOGGER_DATA);
-
- dba::transaction();
- $r = dba::insert('item', $arr);
-
- // When the item was successfully stored we fetch the ID of the item.
- if (DBM::is_result($r)) {
- $current_post = dba::lastInsertId();
- } else {
- // This can happen - for example - if there are locking timeouts.
- dba::rollback();
-
- // Store the data into a spool file so that we can try again later.
-
- // At first we restore the Diaspora signature that we removed above.
- if (isset($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.");
- dba::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($r)) {
- // This shouldn't happen, since COUNT always works when the database connection is there.
- logger("We couldn't count the stored entries. Very strange ...");
- dba::rollback();
- return 0;
- }
-
- if ($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.
- dba::delete('item', ['id' => $current_post]);
- dba::commit();
- return 0;
- } elseif ($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.");
- dba::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
- dba::update('item', ['parent' => $parent_id], ['id' => $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) || !Config::get("system", "like_no_comment")) {
- dba::update('item', ['commented' => datetime_convert(), 'changed' => datetime_convert()], ['id' => $parent_id]);
- } else {
- dba::update('item', ['changed' => datetime_convert()], ['id' => $parent_id]);
- }
-
- if ($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);
- }
-
- dba::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
- 'signature' => $dsprsig->signature, 'signer' => $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 && !$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($parent_id);
- }
-
- dba::commit();
-
- /*
- * Due to deadlock issues with the "term" table we are doing these steps after the commit.
- * This is not perfect - but a workable solution until we found the reason for the problem.
- */
- create_tags_from_item($current_post);
- Term::createFromItem($current_post);
-
- if ($arr['parent-uri'] === $arr['uri']) {
- Item::addShadow($current_post);
- } else {
- Item::addShadowPost($current_post);
- }
-
- check_user_notification($current_post);
-
- if ($notify) {
- Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "Notifier", $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) {
- // Unarchive the author
- $contact = dba::selectFirst('contact', [], ['id' => $arr["author-link"]]);
- if ($contact['term-date'] > NULL_DATE) {
- Contact::unmarkForArchival($contact);
- }
-
- // Unarchive the contact if it is a toplevel posting
- if ($arr["parent-uri"] === $arr["uri"]) {
- $contact = dba::selectFirst('contact', [], ['id' => $arr["contact-id"]]);
- if ($contact['term-date'] > NULL_DATE) {
- Contact::unmarkForArchival($contact);
- }
- }
-
- $update = (!$arr['private'] && (($arr["author-link"] === $arr["owner-link"]) || ($arr["parent-uri"] === $arr["uri"])));
-
- // Is it a forum? Then we don't care about the rules from above
- if (!$update && ($arr["network"] == NETWORK_DFRN) && ($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) {
- dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
- ['id' => $arr['contact-id']]);
- }
- // Now do the same for the system wide contacts with uid=0
- if (!$arr['private']) {
- dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
- ['id' => $arr['owner-id']]);
-
- if ($arr['owner-id'] != $arr['author-id']) {
- dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
- ['id' => $arr['author-id']]);
- }
- }
-}
-
-function item_body_set_hashtags(&$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);
-
- $URLSearchString = "^\[\]";
-
- // All hashtags should point to the home server if "local_tags" is activated
- if (Config::get('system', 'local_tags')) {
- $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
- "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
-
- $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
- "#[url=".System::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("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
- }, $item["body"]);
-
- $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
- function ($match) {
- return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
- }, $item["body"]);
-
- $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
- function ($match) {
- return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
- }, $item["body"]);
-
- // Repair recursive urls
- $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
- "#$2", $item["body"]);
-
- foreach ($tags as $tag) {
- if ((strpos($tag, '#') !== 0) || (strpos($tag, '[url='))) {
- continue;
- }
-
- $basetag = str_replace('_',' ',substr($tag,1));
-
- $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($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("#", "#", $item["body"]);
-}
-
-function get_item_guid($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 ["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;
- }
- }
- 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)
-{
- $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(System::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(System::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.");
- dba::delete('item', ['id' => $item_id]);
- return true;