An unofficial mirror of the Tiny Tiny RSS, an open-source RSS feed reader and aggregator https://git.tt-rss.org/fox/tt-rss
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<?php
class Article extends Handler_Protected {
const ARTICLE_KIND_ALBUM = 1;
const ARTICLE_KIND_VIDEO = 2;
const ARTICLE_KIND_YOUTUBE = 3;
function redirect() {
$article = ORM::for_table('ttrss_entries')
->table_alias('e')
->join('ttrss_user_entries', [ 'ref_id', '=', 'e.id'], 'ue')
->where('ue.owner_uid', $_SESSION['uid'])
->find_one((int)$_REQUEST['id']);
if ($article) {
$article_url = UrlHelper::validate($article->link);
if ($article_url) {
header("Location: $article_url");
return;
}
}
header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found");
print "Article not found or has an empty URL.";
}
static function _create_published_article($title, $url, $content, $labels_str,
$owner_uid) {
$guid = 'SHA1:' . sha1("ttshared:" . $url . $owner_uid); // include owner_uid to prevent global GUID clash
if (!$content) {
$pluginhost = new PluginHost();
$pluginhost->load_all(PluginHost::KIND_ALL, $owner_uid);
//$pluginhost->load_data();
$pluginhost->run_hooks_callback(PluginHost::HOOK_GET_FULL_TEXT,
function ($result) use (&$content) {
if ($result) {
$content = $result;
return true;
}
},
$url);
}
$content_hash = sha1($content);
if ($labels_str != "") {
$labels = explode(",", $labels_str);
} else {
$labels = array();
}
$rc = false;
if (!$title) $title = $url;
if (!$title && !$url) return false;
if (filter_var($url, FILTER_VALIDATE_URL) === false) return false;
$pdo = Db::pdo();
$pdo->beginTransaction();
// only check for our user data here, others might have shared this with different content etc
$sth = $pdo->prepare("SELECT id FROM ttrss_entries, ttrss_user_entries WHERE
guid = ? AND ref_id = id AND owner_uid = ? LIMIT 1");
$sth->execute([$guid, $owner_uid]);
if ($row = $sth->fetch()) {
$ref_id = $row['id'];
$sth = $pdo->prepare("SELECT int_id FROM ttrss_user_entries WHERE
ref_id = ? AND owner_uid = ? LIMIT 1");
$sth->execute([$ref_id, $owner_uid]);
if ($row = $sth->fetch()) {
$int_id = $row['int_id'];
$sth = $pdo->prepare("UPDATE ttrss_entries SET
content = ?, content_hash = ? WHERE id = ?");
$sth->execute([$content, $content_hash, $ref_id]);
if (Config::get(Config::DB_TYPE) == "pgsql") {
$sth = $pdo->prepare("UPDATE ttrss_entries
SET tsvector_combined = to_tsvector( :ts_content)
WHERE id = :id");
$params = [
":ts_content" => mb_substr(strip_tags($content ), 0, 900000),
":id" => $ref_id];
$sth->execute($params);
}
$sth = $pdo->prepare("UPDATE ttrss_user_entries SET published = true,
last_published = NOW() WHERE
int_id = ? AND owner_uid = ?");
$sth->execute([$int_id, $owner_uid]);
} else {
$sth = $pdo->prepare("INSERT INTO ttrss_user_entries
(ref_id, uuid, feed_id, orig_feed_id, owner_uid, published, tag_cache, label_cache,
last_read, note, unread, last_published)
VALUES
(?, '', NULL, NULL, ?, true, '', '', NOW(), '', false, NOW())");
$sth->execute([$ref_id, $owner_uid]);
}
if (count($labels) != 0) {
foreach ($labels as $label) {
Labels::add_article($ref_id, trim($label), $owner_uid);
}
}
$rc = true;
} else {
$sth = $pdo->prepare("INSERT INTO ttrss_entries
(title, guid, link, updated, content, content_hash, date_entered, date_updated)
VALUES
(?, ?, ?, NOW(), ?, ?, NOW(), NOW())");
$sth->execute([$title, $guid, $url, $content, $content_hash]);
$sth = $pdo->prepare("SELECT id FROM ttrss_entries WHERE guid = ?");
$sth->execute([$guid]);
if ($row = $sth->fetch()) {
$ref_id = $row["id"];
if (Config::get(Config::DB_TYPE) == "pgsql"){
$sth = $pdo->prepare("UPDATE ttrss_entries
SET tsvector_combined = to_tsvector( :ts_content)
WHERE id = :id");
$params = [
":ts_content" => mb_substr(strip_tags($content ), 0, 900000),
":id" => $ref_id];
$sth->execute($params);
}
$sth = $pdo->prepare("INSERT INTO ttrss_user_entries
(ref_id, uuid, feed_id, orig_feed_id, owner_uid, published, tag_cache, label_cache,
last_read, note, unread, last_published)
VALUES
(?, '', NULL, NULL, ?, true, '', '', NOW(), '', false, NOW())");
$sth->execute([$ref_id, $owner_uid]);
if (count($labels) != 0) {
foreach ($labels as $label) {
Labels::add_article($ref_id, trim($label), $owner_uid);
}
}
$rc = true;
}
}
$pdo->commit();
return $rc;
}
function printArticleTags() {
$id = (int) clean($_REQUEST['id'] ?? 0);
print json_encode(["id" => $id,
"tags" => self::_get_tags($id)]);
}
function setScore() {
$ids = array_map("intval", clean($_REQUEST['ids'] ?? []));
$score = (int)clean($_REQUEST['score']);
$ids_qmarks = arr_qmarks($ids);
$sth = $this->pdo->prepare("UPDATE ttrss_user_entries SET
score = ? WHERE ref_id IN ($ids_qmarks) AND owner_uid = ?");
$sth->execute(array_merge([$score], $ids, [$_SESSION['uid']]));
print json_encode(["id" => $ids, "score" => $score]);
}
function setArticleTags() {
$id = clean($_REQUEST["id"]);
//$tags_str = clean($_REQUEST["tags_str"]);
//$tags = array_unique(array_map('trim', explode(",", $tags_str)));
$tags = FeedItem_Common::normalize_categories(explode(",", clean($_REQUEST["tags_str"])));
$this->pdo->beginTransaction();
$sth = $this->pdo->prepare("SELECT int_id FROM ttrss_user_entries WHERE
ref_id = ? AND owner_uid = ? LIMIT 1");
$sth->execute([$id, $_SESSION['uid']]);
if ($row = $sth->fetch()) {
$tags_to_cache = array();
$int_id = $row['int_id'];
$dsth = $this->pdo->prepare("DELETE FROM ttrss_tags WHERE
post_int_id = ? AND owner_uid = ?");
$dsth->execute([$int_id, $_SESSION['uid']]);
$csth = $this->pdo->prepare("SELECT post_int_id FROM ttrss_tags
WHERE post_int_id = ? AND owner_uid = ? AND tag_name = ?");
$usth = $this->pdo->prepare("INSERT INTO ttrss_tags
(post_int_id, owner_uid, tag_name)
VALUES (?, ?, ?)");
foreach ($tags as $tag) {
$csth->execute([$int_id, $_SESSION['uid'], $tag]);
if (!$csth->fetch()) {
$usth->execute([$int_id, $_SESSION['uid'], $tag]);
}
array_push($tags_to_cache, $tag);
}
/* update tag cache */
$tags_str = join(",", $tags_to_cache);
$sth = $this->pdo->prepare("UPDATE ttrss_user_entries
SET tag_cache = ? WHERE ref_id = ? AND owner_uid = ?");
$sth->execute([$tags_str, $id, $_SESSION['uid']]);
}
$this->pdo->commit();
// get latest tags from the database, original $tags is sometimes JSON-encoded as a hash ({}) - ???
print json_encode(["id" => (int)$id, "tags" => $this->_get_tags($id)]);
}
/*function completeTags() {
$search = clean($_REQUEST["search"]);
$sth = $this->pdo->prepare("SELECT DISTINCT tag_name FROM ttrss_tags
WHERE owner_uid = ? AND
tag_name LIKE ? ORDER BY tag_name
LIMIT 10");
$sth->execute([$_SESSION['uid'], "$search%"]);
print "<ul>";
while ($line = $sth->fetch()) {
print "<li>" . $line["tag_name"] . "</li>";
}
print "</ul>";
}*/
function assigntolabel() {
return $this->_label_ops(true);
}
function removefromlabel() {
return $this->_label_ops(false);
}
private function _label_ops($assign) {
$reply = array();
$ids = explode(",", clean($_REQUEST["ids"]));
$label_id = clean($_REQUEST["lid"]);
$label = Labels::find_caption($label_id, $_SESSION["uid"]);
$reply["labels-for"] = [];
if ($label) {
foreach ($ids as $id) {
if ($assign)
Labels::add_article($id, $label, $_SESSION["uid"]);
else
Labels::remove_article($id, $label, $_SESSION["uid"]);
array_push($reply["labels-for"],
["id" => (int)$id, "labels" => $this->_get_labels($id)]);
}
}
$reply["message"] = "UPDATE_COUNTERS";
print json_encode($reply);
}
static function _format_enclosures($id,
$always_display_enclosures,
$article_content,
$hide_images = false) {
$enclosures = self::_get_enclosures($id);
$enclosures_formatted = "";
/*foreach ($enclosures as &$enc) {
array_push($enclosures, [
"type" => $enc["content_type"],
"filename" => basename($enc["content_url"]),
"url" => $enc["content_url"],
"title" => $enc["title"],
"width" => (int) $enc["width"],
"height" => (int) $enc["height"]
]);
}*/
PluginHost::getInstance()->chain_hooks_callback(PluginHost::HOOK_FORMAT_ENCLOSURES,
function ($result) use (&$enclosures_formatted, &$enclosures) {
if (is_array($result)) {
$enclosures_formatted = $result[0];
$enclosures = $result[1];
} else {
$enclosures_formatted = $result;
}
},
$enclosures_formatted, $enclosures, $id, $always_display_enclosures, $article_content, $hide_images);
if (!empty($enclosures_formatted)) {
return [
'formatted' => $enclosures_formatted,
'entries' => []
];
}
$rv = [
'formatted' => '',
'entries' => []
];
$rv['can_inline'] = isset($_SESSION["uid"]) &&
empty($_SESSION["bw_limit"]) &&
!get_pref(Prefs::STRIP_IMAGES) &&
($always_display_enclosures || !preg_match("/<img/i", $article_content));
$rv['inline_text_only'] = $hide_images && $rv['can_inline'];
foreach ($enclosures as $enc) {
// this is highly approximate
$enc["filename"] = basename($enc["content_url"]);
$rendered_enc = "";
PluginHost::getInstance()->chain_hooks_callback(PluginHost::HOOK_RENDER_ENCLOSURE,
function ($result) use (&$rendered_enc) {
$rendered_enc = $result;
},
$enc, $id, $rv);
if ($rendered_enc) {
$rv['formatted'] .= $rendered_enc;
} else {
PluginHost::getInstance()->chain_hooks_callback(PluginHost::HOOK_ENCLOSURE_ENTRY,
function ($result) use (&$enc) {
$enc = $result;
},
$enc, $id, $rv);
array_push($rv['entries'], $enc);
}
}
return $rv;
}
static function _get_tags($id, $owner_uid = 0, $tag_cache = false) {
$a_id = $id;
if (!$owner_uid) $owner_uid = $_SESSION["uid"];
$pdo = Db::pdo();
$sth = $pdo->prepare("SELECT DISTINCT tag_name,
owner_uid as owner FROM ttrss_tags
WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
ref_id = ? AND owner_uid = ? LIMIT 1) ORDER BY tag_name");
$tags = array();
/* check cache first */
if ($tag_cache === false) {
$csth = $pdo->prepare("SELECT tag_cache FROM ttrss_user_entries
WHERE ref_id = ? AND owner_uid = ?");
$csth->execute([$id, $owner_uid]);
if ($row = $csth->fetch()) $tag_cache = $row["tag_cache"];
}
if ($tag_cache) {
$tags = explode(",", $tag_cache);
} else {
/* do it the hard way */
$sth->execute([$a_id, $owner_uid]);
while ($tmp_line = $sth->fetch()) {
array_push($tags, $tmp_line["tag_name"]);
}
/* update the cache */
$tags_str = join(",", $tags);
$sth = $pdo->prepare("UPDATE ttrss_user_entries
SET tag_cache = ? WHERE ref_id = ?
AND owner_uid = ?");
$sth->execute([$tags_str, $id, $owner_uid]);
}
return $tags;
}
function getmetadatabyid() {
$article = ORM::for_table('ttrss_entries')
->join('ttrss_user_entries', ['ref_id', '=', 'id'], 'ue')
->where('ue.owner_uid', $_SESSION['uid'])
->find_one((int)$_REQUEST['id']);
if ($article) {
echo json_encode(["link" => $article->link, "title" => $article->title]);
} else {
echo json_encode([]);
}
}
static function _get_enclosures($id) {
$encs = ORM::for_table('ttrss_enclosures')
->where('post_id', $id)
->find_many();
$rv = [];
$cache = new DiskCache("images");
foreach ($encs as $enc) {
$cache_key = sha1($enc->content_url);
if ($cache->exists($cache_key)) {
$enc->content_url = $cache->get_url($cache_key);
}
array_push($rv, $enc->as_array());
}
return $rv;
}
static function _purge_orphans() {
// purge orphaned posts in main content table
if (Config::get(Config::DB_TYPE) == "mysql")
$limit_qpart = "LIMIT 5000";
else
$limit_qpart = "";
$pdo = Db::pdo();
$res = $pdo->query("DELETE FROM ttrss_entries WHERE
NOT EXISTS (SELECT ref_id FROM ttrss_user_entries WHERE ref_id = id) $limit_qpart");
if (Debug::enabled()) {
$rows = $res->rowCount();
Debug::log("Purged $rows orphaned posts.");
}
}
static function _catchup_by_id($ids, $cmode, $owner_uid = false) {
if (!$owner_uid) $owner_uid = $_SESSION["uid"];
$pdo = Db::pdo();
$ids_qmarks = arr_qmarks($ids);
if ($cmode == 1) {
$sth = $pdo->prepare("UPDATE ttrss_user_entries SET
unread = true
WHERE ref_id IN ($ids_qmarks) AND owner_uid = ?");
} else if ($cmode == 2) {
$sth = $pdo->prepare("UPDATE ttrss_user_entries SET
unread = NOT unread,last_read = NOW()
WHERE ref_id IN ($ids_qmarks) AND owner_uid = ?");
} else {
$sth = $pdo->prepare("UPDATE ttrss_user_entries SET
unread = false,last_read = NOW()
WHERE ref_id IN ($ids_qmarks) AND owner_uid = ?");
}
$sth->execute(array_merge($ids, [$owner_uid]));
}
static function _get_labels($id, $owner_uid = false) {
$rv = array();
if (!$owner_uid) $owner_uid = $_SESSION["uid"];
$pdo = Db::pdo();
$sth = $pdo->prepare("SELECT label_cache FROM
ttrss_user_entries WHERE ref_id = ? AND owner_uid = ?");
$sth->execute([$id, $owner_uid]);
if ($row = $sth->fetch()) {
$label_cache = $row["label_cache"];
if ($label_cache) {
$tmp = json_decode($label_cache, true);
if (empty($tmp) || ($tmp["no-labels"] ?? 0) == 1)
return $rv;
else
return $tmp;
}
}
$sth = $pdo->prepare("SELECT DISTINCT label_id,caption,fg_color,bg_color
FROM ttrss_labels2, ttrss_user_labels2
WHERE id = label_id
AND article_id = ?
AND owner_uid = ?
ORDER BY caption");
$sth->execute([$id, $owner_uid]);
while ($line = $sth->fetch()) {
$rk = array(Labels::label_to_feed_id($line["label_id"]),
$line["caption"], $line["fg_color"],
$line["bg_color"]);
array_push($rv, $rk);
}
if (count($rv) > 0)
Labels::update_cache($owner_uid, $id, $rv);
else
Labels::update_cache($owner_uid, $id, array("no-labels" => 1));
return $rv;
}
static function _get_image(array $enclosures, string $content, string $site_url, array $headline) {
$article_image = "";
$article_stream = "";
$article_kind = 0;
PluginHost::getInstance()->chain_hooks_callback(PluginHost::HOOK_ARTICLE_IMAGE,
function ($result, $plugin) use (&$article_image, &$article_stream, &$content) {
list ($article_image, $article_stream, $content) = $result;
// run until first hard match
return !empty($article_image);
},
$enclosures, $content, $site_url, $headline);
if (!$article_image && !$article_stream) {
$tmpdoc = new DOMDocument();
if (@$tmpdoc->loadHTML('<?xml encoding="UTF-8">' . mb_substr($content, 0, 131070))) {
$tmpxpath = new DOMXPath($tmpdoc);
$elems = $tmpxpath->query('(//img[@src]|//video[@poster]|//iframe[contains(@src , "youtube.com/embed/")])');
foreach ($elems as $e) {
if ($e->nodeName == "iframe") {
$matches = [];
if ($rrr = preg_match("/\/embed\/([\w-]+)/", $e->getAttribute("src"), $matches)) {
$article_image = "https://img.youtube.com/vi/" . $matches[1] . "/hqdefault.jpg";
$article_stream = "https://youtu.be/" . $matches[1];
$article_kind = Article::ARTICLE_KIND_YOUTUBE;
break;
}
} else if ($e->nodeName == "video") {
$article_image = $e->getAttribute("poster");
$src = $tmpxpath->query("//source[@src]", $e)->item(0);
if ($src) {
$article_stream = $src->getAttribute("src");
$article_kind = Article::ARTICLE_KIND_VIDEO;
}
break;
} else if ($e->nodeName == 'img') {
if (mb_strpos($e->getAttribute("src"), "data:") !== 0) {
$article_image = $e->getAttribute("src");
}
break;
}
}
}
if (!$article_image)
foreach ($enclosures as $enc) {
if (strpos($enc["content_type"], "image/") !== false) {
$article_image = $enc["content_url"];
break;
}
}
if ($article_image) {
$article_image = rewrite_relative_url($site_url, $article_image);
if (!$article_kind && (count($enclosures) > 1 || (isset($elems) && $elems->length > 1)))
$article_kind = Article::ARTICLE_KIND_ALBUM;
}
if ($article_stream)
$article_stream = rewrite_relative_url($site_url, $article_stream);
}
$cache = new DiskCache("images");
if ($article_image && $cache->exists(sha1($article_image)))
$article_image = $cache->get_url(sha1($article_image));
if ($article_stream && $cache->exists(sha1($article_stream)))
$article_stream = $cache->get_url(sha1($article_stream));
return [$article_image, $article_stream, $article_kind];
}
// only cached, returns label ids (not label feed ids)
static function _labels_of(array $article_ids) {
if (count($article_ids) == 0)
return [];
$entries = ORM::for_table('ttrss_entries')
->table_alias('e')
->join('ttrss_user_entries', ['ref_id', '=', 'id'], 'ue')
->where_in('id', $article_ids)
->find_many();
$rv = [];
foreach ($entries as $entry) {
$labels = json_decode($entry->label_cache);
if (isset($labels) && is_array($labels)) {
foreach ($labels as $label) {
if (empty($label["no-labels"]))
array_push($rv, Labels::feed_to_label_id($label[0]));
}
}
}
return array_unique($rv);
}
static function _feeds_of(array $article_ids) {
if (count($article_ids) == 0)
return [];
$entries = ORM::for_table('ttrss_entries')
->table_alias('e')
->join('ttrss_user_entries', ['ref_id', '=', 'id'], 'ue')
->where_in('id', $article_ids)
->find_many();
$rv = [];
foreach ($entries as $entry) {
array_push($rv, $entry->feed_id);
}
return array_unique($rv);
}
}