<?php
/**
- * @file src/Protocol/Feed.php
- * @brief Imports RSS/RDF/Atom feeds
+ * @copyright Copyright (C) 2020, Friendica
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
+
namespace Friendica\Protocol;
use DOMDocument;
use DOMXPath;
+use Friendica\Content\PageInfo;
+use Friendica\Content\Text\BBCode;
use Friendica\Content\Text\HTML;
+use Friendica\Core\Cache\Duration;
use Friendica\Core\Logger;
use Friendica\Core\Protocol;
use Friendica\Database\DBA;
use Friendica\DI;
+use Friendica\Model\Contact;
use Friendica\Model\Item;
+use Friendica\Model\Tag;
+use Friendica\Model\User;
+use Friendica\Network\HTTPRequest;
+use Friendica\Util\DateTimeFormat;
use Friendica\Util\Network;
use Friendica\Util\ParseUrl;
+use Friendica\Util\Strings;
use Friendica\Util\XML;
/**
- * @brief This class contain functions to import feeds
- *
+ * This class contain functions to import feeds (RSS/RDF/Atom)
*/
-class Feed {
+class Feed
+{
+ /**
+ * consume - 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.
+ *
+ * @param $xml
+ * @param array $importer
+ * @param array $contact
+ * @param $hub
+ * @throws ImagickException
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ */
+ public static function consume($xml, array $importer, array $contact, &$hub)
+ {
+ if ($contact['network'] === Protocol::OSTATUS) {
+ Logger::info('Consume OStatus messages');
+ OStatus::import($xml, $importer, $contact, $hub);
+
+ return;
+ }
+
+ if ($contact['network'] === Protocol::FEED) {
+ Logger::info('Consume feeds');
+ self::import($xml, $importer, $contact);
+
+ return;
+ }
+
+ if ($contact['network'] === Protocol::DFRN) {
+ Logger::info('Consume DFRN messages');
+ $dfrn_importer = DFRN::getImporter($contact['id'], $importer['uid']);
+ if (!empty($dfrn_importer)) {
+ Logger::info('Now import the DFRN feed');
+ DFRN::import($xml, $dfrn_importer, true);
+ return;
+ }
+ }
+ }
+
/**
- * @brief Read a RSS/RDF/Atom feed and create an item entry for it
+ * Read a RSS/RDF/Atom feed and create an item entry for it
*
* @param string $xml The feed data
* @param array $importer The user record of the importer
* @param array $contact The contact record of the feed
- * @param string $hub Unused dummy value for compatibility reasons
- * @param bool $simulate If enabled, no data is imported
*
- * @return array In simulation mode it returns the header and the first item
+ * @return array Returns the header and the first item in dry run mode
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
- public static function import($xml, $importer, &$contact, &$hub, $simulate = false)
+ public static function import($xml, array $importer = [], array $contact = [])
{
- $a = \get_app();
+ $dryRun = empty($importer) && empty($contact);
- if (!$simulate) {
- Logger::log("Import Atom/RSS feed '" . $contact["name"] . "' (Contact " . $contact["id"] . ") for user " . $importer["uid"], Logger::DEBUG);
+ if ($dryRun) {
+ Logger::info("Test Atom/RSS feed");
} else {
- Logger::log("Test Atom/RSS feed", Logger::DEBUG);
+ Logger::info("Import Atom/RSS feed '" . $contact["name"] . "' (Contact " . $contact["id"] . ") for user " . $importer["uid"]);
}
if (empty($xml)) {
- Logger::log('XML is empty.', Logger::DEBUG);
- return;
+ Logger::info('XML is empty.');
+ return [];
}
if (!empty($contact['poll'])) {
$author["author-name"] = $value;
}
- if ($simulate) {
+ if ($dryRun) {
$author["author-id"] = XML::getFirstNodeValue($xpath, '/atom:feed/atom:author/atom:id/text()');
// See https://tools.ietf.org/html/rfc4287#section-3.2.2
$entries = $xpath->query('/rss/channel/item');
}
- if (!$simulate) {
+ if (!$dryRun) {
$author["author-link"] = $contact["url"];
if (empty($author["author-name"])) {
}
$header = [];
- $header["uid"] = $importer["uid"];
+ $header["uid"] = $importer["uid"] ?? 0;
$header["network"] = Protocol::FEED;
$header["wall"] = 0;
$header["origin"] = 0;
$header["gravity"] = GRAVITY_PARENT;
- $header["private"] = 2;
+ $header["private"] = Item::PUBLIC;
$header["verb"] = Activity::POST;
$header["object-type"] = Activity\ObjectType::NOTE;
- $header["contact-id"] = $contact["id"];
+ $header["contact-id"] = $contact["id"] ?? 0;
if (!is_object($entries)) {
- Logger::log("There are no entries in this feed.", Logger::DEBUG);
- return;
+ Logger::info("There are no entries in this feed.");
+ return [];
}
$items = [];
+
+ // Limit the number of items that are about to be fetched
+ $total_items = ($entries->length - 1);
+ $max_items = DI::config()->get('system', 'max_feed_items');
+ if (($max_items > 0) && ($total_items > $max_items)) {
+ $total_items = $max_items;
+ }
+
// Importing older entries first
- for ($i = $entries->length - 1; $i >= 0; --$i) {
+ for ($i = $total_items; $i >= 0; --$i) {
$entry = $entries->item($i);
$item = array_merge($header, $author);
$item["uri"] = $item["plink"];
}
+ // Add the base path if missing
+ $item["uri"] = Network::addBasePath($item["uri"], $basepath);
+ $item["plink"] = Network::addBasePath($item["plink"], $basepath);
+
$orig_plink = $item["plink"];
- $item["plink"] = Network::finalUrl($item["plink"]);
+ $item["plink"] = DI::httpRequest()->finalUrl($item["plink"]);
$item["parent-uri"] = $item["uri"];
- if (!$simulate) {
+ if (!$dryRun) {
$condition = ["`uid` = ? AND `uri` = ? AND `network` IN (?, ?)",
$importer["uid"], $item["uri"], Protocol::FEED, Protocol::DFRN];
$previous = Item::selectFirst(['id'], $condition);
if (DBA::isResult($previous)) {
- Logger::log("Item with uri " . $item["uri"] . " for user " . $importer["uid"] . " already existed under id " . $previous["id"], Logger::DEBUG);
+ Logger::info("Item with uri " . $item["uri"] . " for user " . $importer["uid"] . " already existed under id " . $previous["id"]);
continue;
}
}
$item["attach"] .= '[attach]href="' . $href . '" length="' . $length . '" type="' . $type . '"[/attach]';
}
- $tags = '';
+ $taglist = [];
$categories = $xpath->query("category", $entry);
foreach ($categories AS $category) {
- $hashtag = $category->nodeValue;
- if ($tags != '') {
- $tags .= ', ';
- }
-
- $taglink = "#[url=" . DI::baseUrl() . "/search?tag=" . $hashtag . "]" . $hashtag . "[/url]";
- $tags .= $taglink;
+ $taglist[] = $category->nodeValue;
}
$body = trim(XML::getFirstNodeValue($xpath, 'atom:content/text()', $entry));
// We always strip the title since it will be added in the page information
$item["title"] = "";
- $item["body"] = $item["body"] . add_page_info($item["plink"], false, $preview, ($contact["fetch_further_information"] == 2), $contact["ffi_keyword_blacklist"]);
- $item["tag"] = add_page_keywords($item["plink"], $preview, ($contact["fetch_further_information"] == 2), $contact["ffi_keyword_blacklist"]);
+ $item["body"] = $item["body"] . "\n" . PageInfo::getFooterFromUrl($item["plink"], false, $preview, ($contact["fetch_further_information"] == 2), $contact["ffi_keyword_denylist"] ?? '');
+ $taglist = $contact["fetch_further_information"] == 2 ? PageInfo::getTagsFromUrl($item["plink"], $preview, $contact["ffi_keyword_denylist"] ?? '') : [];
$item["object-type"] = Activity\ObjectType::BOOKMARK;
unset($item["attach"]);
} else {
$item["body"] = '[abstract]' . HTML::toBBCode($summary, $basepath) . "[/abstract]\n" . $item["body"];
}
- if ($contact["fetch_further_information"] == 3) {
- if (!empty($tags)) {
- $item["tag"] = $tags;
- } else {
- // @todo $preview is never set in this case, is it intended? - @MrPetovan 2018-02-13
- $item["tag"] = add_page_keywords($item["plink"], $preview, true, $contact["ffi_keyword_blacklist"]);
+ if (!empty($contact["fetch_further_information"]) && ($contact["fetch_further_information"] == 3)) {
+ if (empty($taglist)) {
+ $taglist = PageInfo::getTagsFromUrl($item["plink"], $preview, $contact["ffi_keyword_denylist"] ?? '');
}
- $item["body"] .= "\n" . $item['tag'];
+ $item["body"] .= "\n" . self::tagToString($taglist);
+ } else {
+ $taglist = [];
}
// Add the link to the original feed entry if not present in feed
}
}
- if (!$simulate) {
- Logger::log("Stored feed: " . print_r($item, true), Logger::DEBUG);
+ if ($dryRun) {
+ $items[] = $item;
+ break;
+ } else {
+ Logger::info('Stored feed', ['item' => $item]);
$notify = Item::isRemoteSelf($contact, $item);
$notify = PRIORITY_MEDIUM;
}
- $id = Item::insert($item, false, $notify);
+ $id = Item::insert($item, $notify);
- Logger::log("Feed for contact " . $contact["url"] . " stored under id " . $id);
- } else {
- $items[] = $item;
- }
-
- if ($simulate) {
- break;
+ Logger::info("Feed for contact " . $contact["url"] . " stored under id " . $id);
+
+ if (!empty($id) && !empty($taglist)) {
+ $feeditem = Item::selectFirst(['uri-id'], ['id' => $id]);
+ foreach ($taglist as $tag) {
+ Tag::store($feeditem['uri-id'], Tag::HASHTAG, $tag);
+ }
+ }
}
}
- if ($simulate) {
- return ["header" => $author, "items" => $items];
+ return ["header" => $author, "items" => $items];
+ }
+
+ /**
+ * Convert a tag array to a tag string
+ *
+ * @param array $tags
+ * @return string tag string
+ */
+ private static function tagToString(array $tags)
+ {
+ $tagstr = '';
+
+ foreach ($tags as $tag) {
+ if ($tagstr != "") {
+ $tagstr .= ", ";
+ }
+
+ $tagstr .= "#[url=" . DI::baseUrl() . "/search?tag=" . urlencode($tag) . "]" . $tag . "[/url]";
}
+
+ return $tagstr;
}
private static function titleIsBody($title, $body)
}
return ($title == $body);
}
+
+ /**
+ * Creates the Atom feed for a given nickname
+ *
+ * Supported filters:
+ * - activity (default): all the public posts
+ * - posts: all the public top-level posts
+ * - comments: all the public replies
+ *
+ * Updates the provided last_update parameter if the result comes from the
+ * cache or it is empty
+ *
+ * @param string $owner_nick Nickname of the feed owner
+ * @param string $last_update Date of the last update
+ * @param integer $max_items Number of maximum items to fetch
+ * @param string $filter Feed items filter (activity, posts or comments)
+ * @param boolean $nocache Wether to bypass caching
+ *
+ * @return string Atom feed
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ * @throws \ImagickException
+ */
+ public static function atom($owner_nick, $last_update, $max_items = 300, $filter = 'activity', $nocache = false)
+ {
+ $stamp = microtime(true);
+
+ $owner = User::getOwnerDataByNick($owner_nick);
+ if (!$owner) {
+ return;
+ }
+
+ $cachekey = "feed:feed:" . $owner_nick . ":" . $filter . ":" . $last_update;
+
+ $previous_created = $last_update;
+
+ // Don't cache when the last item was posted less then 15 minutes ago (Cache duration)
+ if ((time() - strtotime($owner['last-item'])) < 15*60) {
+ $result = DI::cache()->get($cachekey);
+ if (!$nocache && !is_null($result)) {
+ Logger::info('Cached feed duration', ['seconds' => number_format(microtime(true) - $stamp, 3), 'nick' => $owner_nick, 'filter' => $filter, 'created' => $previous_created]);
+ return $result['feed'];
+ }
+ }
+
+ $check_date = empty($last_update) ? '' : DateTimeFormat::utc($last_update);
+ $authorid = Contact::getIdForURL($owner["url"], 0, false);
+
+ $condition = ["`uid` = ? AND `received` > ? AND NOT `deleted` AND `gravity` IN (?, ?)
+ AND `private` != ? AND `visible` AND `wall` AND `parent-network` IN (?, ?, ?, ?)",
+ $owner["uid"], $check_date, GRAVITY_PARENT, GRAVITY_COMMENT,
+ Item::PRIVATE, Protocol::ACTIVITYPUB,
+ Protocol::OSTATUS, Protocol::DFRN, Protocol::DIASPORA];
+
+ if ($filter === 'comments') {
+ $condition[0] .= " AND `object-type` = ? ";
+ $condition[] = Activity\ObjectType::COMMENT;
+ }
+
+ if ($owner['account-type'] != User::ACCOUNT_TYPE_COMMUNITY) {
+ $condition[0] .= " AND `contact-id` = ? AND `author-id` = ?";
+ $condition[] = $owner["id"];
+ $condition[] = $authorid;
+ }
+
+ $params = ['order' => ['received' => true], 'limit' => $max_items];
+
+ if ($filter === 'posts') {
+ $ret = Item::selectThread([], $condition, $params);
+ } else {
+ $ret = Item::select([], $condition, $params);
+ }
+
+ $items = Item::inArray($ret);
+
+ $doc = new DOMDocument('1.0', 'utf-8');
+ $doc->formatOutput = true;
+
+ $root = self::addHeader($doc, $owner, $filter);
+
+ foreach ($items as $item) {
+ $entry = self::entry($doc, $item, $owner);
+ $root->appendChild($entry);
+
+ if ($last_update < $item['created']) {
+ $last_update = $item['created'];
+ }
+ }
+
+ $feeddata = trim($doc->saveXML());
+
+ $msg = ['feed' => $feeddata, 'last_update' => $last_update];
+ DI::cache()->set($cachekey, $msg, Duration::QUARTER_HOUR);
+
+ Logger::info('Feed duration', ['seconds' => number_format(microtime(true) - $stamp, 3), 'nick' => $owner_nick, 'filter' => $filter, 'created' => $previous_created]);
+
+ return $feeddata;
+ }
+
+ /**
+ * Adds the header elements to the XML document
+ *
+ * @param DOMDocument $doc XML document
+ * @param array $owner Contact data of the poster
+ * @param string $filter The related feed filter (activity, posts or comments)
+ *
+ * @return object header root element
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ */
+ private static function addHeader(DOMDocument $doc, array $owner, $filter)
+ {
+ $root = $doc->createElementNS(ActivityNamespace::ATOM1, 'feed');
+ $doc->appendChild($root);
+
+ $title = '';
+ $selfUri = '/feed/' . $owner["nick"] . '/';
+ switch ($filter) {
+ case 'activity':
+ $title = DI::l10n()->t('%s\'s timeline', $owner['name']);
+ $selfUri .= $filter;
+ break;
+ case 'posts':
+ $title = DI::l10n()->t('%s\'s posts', $owner['name']);
+ break;
+ case 'comments':
+ $title = DI::l10n()->t('%s\'s comments', $owner['name']);
+ $selfUri .= $filter;
+ break;
+ }
+
+ $attributes = ["uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION . "-" . DB_UPDATE_VERSION];
+ XML::addElement($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes);
+ XML::addElement($doc, $root, "id", DI::baseUrl() . "/profile/" . $owner["nick"]);
+ XML::addElement($doc, $root, "title", $title);
+ XML::addElement($doc, $root, "subtitle", sprintf("Updates from %s on %s", $owner["name"], DI::config()->get('config', 'sitename')));
+ XML::addElement($doc, $root, "logo", $owner["photo"]);
+ XML::addElement($doc, $root, "updated", DateTimeFormat::utcNow(DateTimeFormat::ATOM));
+
+ $author = self::addAuthor($doc, $owner);
+ $root->appendChild($author);
+
+ $attributes = ["href" => $owner["url"], "rel" => "alternate", "type" => "text/html"];
+ XML::addElement($doc, $root, "link", "", $attributes);
+
+ OStatus::hublinks($doc, $root, $owner["nick"]);
+
+ $attributes = ["href" => DI::baseUrl() . $selfUri, "rel" => "self", "type" => "application/atom+xml"];
+ XML::addElement($doc, $root, "link", "", $attributes);
+
+ return $root;
+ }
+
+ /**
+ * Adds the author element to the XML document
+ *
+ * @param DOMDocument $doc XML document
+ * @param array $owner Contact data of the poster
+ *
+ * @return \DOMElement author element
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ */
+ private static function addAuthor(DOMDocument $doc, array $owner)
+ {
+ $author = $doc->createElement("author");
+ XML::addElement($doc, $author, "uri", $owner["url"]);
+ XML::addElement($doc, $author, "name", $owner["nick"]);
+ XML::addElement($doc, $author, "email", $owner["addr"]);
+
+ return $author;
+ }
+
+ /**
+ * Adds an entry element to the XML document
+ *
+ * @param DOMDocument $doc XML document
+ * @param array $item Data of the item that is to be posted
+ * @param array $owner Contact data of the poster
+ * @param bool $toplevel optional default false
+ *
+ * @return \DOMElement Entry element
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ * @throws \ImagickException
+ */
+ private static function entry(DOMDocument $doc, array $item, array $owner)
+ {
+ $xml = null;
+
+ $repeated_guid = OStatus::getResharedGuid($item);
+ if ($repeated_guid != "") {
+ $xml = self::reshareEntry($doc, $item, $owner, $repeated_guid);
+ }
+
+ if ($xml) {
+ return $xml;
+ }
+
+ return self::noteEntry($doc, $item, $owner);
+ }
+
+ /**
+ * Adds an entry element with reshared content
+ *
+ * @param DOMDocument $doc XML document
+ * @param array $item Data of the item that is to be posted
+ * @param array $owner Contact data of the poster
+ * @param string $repeated_guid guid
+ * @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
+ *
+ * @return bool Entry element
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ * @throws \ImagickException
+ */
+ private static function reshareEntry(DOMDocument $doc, array $item, array $owner, $repeated_guid)
+ {
+ if (($item['gravity'] != GRAVITY_PARENT) && (Strings::normaliseLink($item["author-link"]) != Strings::normaliseLink($owner["url"]))) {
+ Logger::info('Feed entry author does not match feed owner', ['owner' => $owner["url"], 'author' => $item["author-link"]]);
+ }
+
+ $entry = OStatus::entryHeader($doc, $owner, $item, false);
+
+ $condition = ['uid' => $owner["uid"], 'guid' => $repeated_guid, 'private' => [Item::PUBLIC, Item::UNLISTED],
+ 'network' => Protocol::FEDERATED];
+ $repeated_item = Item::selectFirst([], $condition);
+ if (!DBA::isResult($repeated_item)) {
+ return false;
+ }
+
+ self::entryContent($doc, $entry, $item, self::getTitle($repeated_item), Activity::SHARE, false);
+
+ self::entryFooter($doc, $entry, $item, $owner);
+
+ return $entry;
+ }
+
+ /**
+ * Adds a regular entry element
+ *
+ * @param DOMDocument $doc XML document
+ * @param array $item Data of the item that is to be posted
+ * @param array $owner Contact data of the poster
+ * @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
+ *
+ * @return \DOMElement Entry element
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ * @throws \ImagickException
+ */
+ private static function noteEntry(DOMDocument $doc, array $item, array $owner)
+ {
+ if (($item['gravity'] != GRAVITY_PARENT) && (Strings::normaliseLink($item["author-link"]) != Strings::normaliseLink($owner["url"]))) {
+ Logger::info('Feed entry author does not match feed owner', ['owner' => $owner["url"], 'author' => $item["author-link"]]);
+ }
+
+ $entry = OStatus::entryHeader($doc, $owner, $item, false);
+
+ self::entryContent($doc, $entry, $item, self::getTitle($item), '', true);
+
+ self::entryFooter($doc, $entry, $item, $owner);
+
+ return $entry;
+ }
+
+ /**
+ * Adds elements to the XML document
+ *
+ * @param DOMDocument $doc XML document
+ * @param \DOMElement $entry Entry element where the content is added
+ * @param array $item Data of the item that is to be posted
+ * @param array $owner Contact data of the poster
+ * @param string $title Title for the post
+ * @param string $verb The activity verb
+ * @param bool $complete Add the "status_net" element?
+ * @param bool $feed_mode Behave like a regular feed for users if true
+ * @return void
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ */
+ private static function entryContent(DOMDocument $doc, \DOMElement $entry, array $item, $title, $verb = "", $complete = true)
+ {
+ if ($verb == "") {
+ $verb = OStatus::constructVerb($item);
+ }
+
+ XML::addElement($doc, $entry, "id", $item["uri"]);
+ XML::addElement($doc, $entry, "title", html_entity_decode($title, ENT_QUOTES, 'UTF-8'));
+
+ $body = OStatus::formatPicturePost($item['body']);
+
+ $body = BBCode::convert($body, false, BBCode::OSTATUS);
+
+ XML::addElement($doc, $entry, "content", $body, ["type" => "html"]);
+
+ XML::addElement($doc, $entry, "link", "", ["rel" => "alternate", "type" => "text/html",
+ "href" => DI::baseUrl()."/display/".$item["guid"]]
+ );
+
+ XML::addElement($doc, $entry, "published", DateTimeFormat::utc($item["created"]."+00:00", DateTimeFormat::ATOM));
+ XML::addElement($doc, $entry, "updated", DateTimeFormat::utc($item["edited"]."+00:00", DateTimeFormat::ATOM));
+ }
+
+ /**
+ * Adds the elements at the foot of an entry to the XML document
+ *
+ * @param DOMDocument $doc XML document
+ * @param object $entry The entry element where the elements are added
+ * @param array $item Data of the item that is to be posted
+ * @param array $owner Contact data of the poster
+ * @param bool $complete default true
+ * @return void
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ */
+ private static function entryFooter(DOMDocument $doc, $entry, array $item, array $owner)
+ {
+ $mentioned = [];
+
+ if ($item['gravity'] != GRAVITY_PARENT) {
+ $parent = Item::selectFirst(['guid', 'author-link', 'owner-link'], ['id' => $item['parent']]);
+ $parent_item = (($item['thr-parent']) ? $item['thr-parent'] : $item['parent-uri']);
+
+ $thrparent = Item::selectFirst(['guid', 'author-link', 'owner-link', 'plink'], ['uid' => $owner["uid"], 'uri' => $parent_item]);
+
+ if (DBA::isResult($thrparent)) {
+ $mentioned[$thrparent["author-link"]] = $thrparent["author-link"];
+ $mentioned[$thrparent["owner-link"]] = $thrparent["owner-link"];
+ $parent_plink = $thrparent["plink"];
+ } else {
+ $mentioned[$parent["author-link"]] = $parent["author-link"];
+ $mentioned[$parent["owner-link"]] = $parent["owner-link"];
+ $parent_plink = DI::baseUrl()."/display/".$parent["guid"];
+ }
+
+ $attributes = [
+ "ref" => $parent_item,
+ "href" => $parent_plink];
+ XML::addElement($doc, $entry, "thr:in-reply-to", "", $attributes);
+
+ $attributes = [
+ "rel" => "related",
+ "href" => $parent_plink];
+ XML::addElement($doc, $entry, "link", "", $attributes);
+ }
+
+ // uri-id isn't present for follow entry pseudo-items
+ $tags = Tag::getByURIId($item['uri-id'] ?? 0);
+ foreach ($tags as $tag) {
+ $mentioned[$tag['url']] = $tag['url'];
+ }
+
+ foreach ($tags as $tag) {
+ if ($tag['type'] == Tag::HASHTAG) {
+ XML::addElement($doc, $entry, "category", "", ["term" => $tag['name']]);
+ }
+ }
+
+ OStatus::getAttachment($doc, $entry, $item);
+ }
+
+ /**
+ * Fetch or create title for feed entry
+ *
+ * @param array $item
+ * @return string title
+ */
+ private static function getTitle(array $item)
+ {
+ if ($item['title'] != '') {
+ return BBCode::convert($item['title'], false, BBCode::OSTATUS);
+ }
+
+ // Fetch information about the post
+ $siteinfo = BBCode::getAttachedData($item["body"]);
+ if (isset($siteinfo["title"])) {
+ return $siteinfo["title"];
+ }
+
+ // If no bookmark is found then take the first line
+ // Remove the share element before fetching the first line
+ $title = trim(preg_replace("/\[share.*?\](.*?)\[\/share\]/ism","\n$1\n",$item['body']));
+
+ $title = HTML::toPlaintext(BBCode::convert($title, false), 0, true)."\n";
+ $pos = strpos($title, "\n");
+ $trailer = "";
+ if (($pos == 0) || ($pos > 100)) {
+ $pos = 100;
+ $trailer = "...";
+ }
+
+ return substr($title, 0, $pos) . $trailer;
+ }
}
projects / friendica.git / blobdiff