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ttrss/classes/article.php

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22 KiB
PHP
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<?php
class Article extends Handler_Protected {
function csrf_ignore($method) {
$csrf_ignored = array("redirect", "editarticletags");
return array_search($method, $csrf_ignored) !== false;
}
function redirect() {
$id = clean($_REQUEST['id']);
$sth = $this->pdo->prepare("SELECT link FROM ttrss_entries, ttrss_user_entries
WHERE id = ? AND id = ref_id AND owner_uid = ?
LIMIT 1");
$sth->execute([$id, $_SESSION['uid']]);
if ($row = $sth->fetch()) {
$article_url = $row['link'];
$article_url = str_replace("\n", "", $article_url);
header("Location: $article_url");
return;
} else {
print_error(__("Article not found."));
}
}
/*
function view() {
$id = clean($_REQUEST["id"]);
$cids = explode(",", clean($_REQUEST["cids"]));
$mode = clean($_REQUEST["mode"]);
// in prefetch mode we only output requested cids, main article
// just gets marked as read (it already exists in client cache)
$articles = array();
if ($mode == "") {
array_push($articles, $this->format_article($id, false));
} else if ($mode == "zoom") {
array_push($articles, $this->format_article($id, true, true));
} else if ($mode == "raw") {
if (isset($_REQUEST['html'])) {
header("Content-Type: text/html");
print '<link rel="stylesheet" type="text/css" href="css/default.css"/>';
}
$article = $this->format_article($id, false, isset($_REQUEST["zoom"]));
print $article['content'];
return;
}
$this->catchupArticleById($id, 0);
if (!$_SESSION["bw_limit"]) {
foreach ($cids as $cid) {
if ($cid) {
array_push($articles, $this->format_article($cid, false, false));
}
}
}
print json_encode($articles);
} */
/*
private function catchupArticleById($id, $cmode) {
if ($cmode == 0) {
$sth = $this->pdo->prepare("UPDATE ttrss_user_entries SET
unread = false,last_read = NOW()
WHERE ref_id = ? AND owner_uid = ?");
} else if ($cmode == 1) {
$sth = $this->pdo->prepare("UPDATE ttrss_user_entries SET
unread = true
WHERE ref_id = ? AND owner_uid = ?");
} else {
$sth = $this->pdo->prepare("UPDATE ttrss_user_entries SET
unread = NOT unread,last_read = NOW()
WHERE ref_id = ? AND owner_uid = ?");
}
$sth->execute([$id, $_SESSION['uid']]);
$feed_id = $this->getArticleFeed($id);
CCache::update($feed_id, $_SESSION["uid"]);
}
*/
static function create_published_article($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);
$pluginhost->load_data();
foreach ($pluginhost->get_hooks(PluginHost::HOOK_GET_FULL_TEXT) as $p) {
$extracted_content = $p->hook_get_full_text($url);
if ($extracted_content) {
$content = $extracted_content;
break;
}
}
}
$content_hash = sha1($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 (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 (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 editArticleTags() {
$param = clean($_REQUEST['param']);
$tags = Article::get_article_tags($param);
$tags_str = join(", ", $tags);
print_hidden("id", "$param");
print_hidden("op", "article");
print_hidden("method", "setArticleTags");
print "<header class='horizontal'>" . __("Tags for this article (separated by commas):")."</header>";
print "<section>";
print "<textarea dojoType='dijit.form.SimpleTextarea' rows='4'
style='height : 100px; font-size : 12px; width : 98%' id='tags_str'
name='tags_str'>$tags_str</textarea>
<div class='autocomplete' id='tags_choices'
style='display:none'></div>";
print "</section>";
print "<footer>";
print "<button dojoType='dijit.form.Button'
type='submit' class='alt-primary' onclick=\"dijit.byId('editTagsDlg').execute()\">".__('Save')."</button> ";
print "<button dojoType='dijit.form.Button'
onclick=\"dijit.byId('editTagsDlg').hide()\">".__('Cancel')."</button>";
print "</footer>";
}
function setScore() {
$ids = explode(",", clean($_REQUEST['id']));
$score = (int)clean($_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" => $ids, "score" => (int)$score]);
}
function getScore() {
$id = clean($_REQUEST['id']);
$sth = $this->pdo->prepare("SELECT score FROM ttrss_user_entries WHERE ref_id = ? AND owner_uid = ?");
$sth->execute([$id, $_SESSION['uid']]);
$row = $sth->fetch();
$score = $row['score'];
print json_encode(["id" => $id, "score" => (int)$score]);
}
function setArticleTags() {
$id = clean($_REQUEST["id"]);
$tags_str = clean($_REQUEST["tags_str"]);
$tags = array_unique(trim_array(explode(",", $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'];
$sth = $this->pdo->prepare("DELETE FROM ttrss_tags WHERE
post_int_id = ? AND owner_uid = ?");
$sth->execute([$int_id, $_SESSION['uid']]);
$tags = FeedItem_Common::normalize_categories($tags);
foreach ($tags as $tag) {
if ($tag != '') {
$sth = $this->pdo->prepare("INSERT INTO ttrss_tags
(post_int_id, owner_uid, tag_name)
VALUES (?, ?, ?)");
$sth->execute([$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();
$tags = Article::get_article_tags($id);
$tags_str = $this->format_tags_string($tags, $id);
$tags_str_full = join(", ", $tags);
if (!$tags_str_full) $tags_str_full = __("no tags");
print json_encode(array("id" => (int)$id,
"content" => $tags_str, "content_full" => $tags_str_full));
}
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->labelops(true);
}
function removefromlabel() {
return $this->labelops(false);
}
private function labelops($assign) {
$reply = array();
$ids = explode(",", clean($_REQUEST["ids"]));
$label_id = clean($_REQUEST["lid"]);
$label = Labels::find_caption($label_id, $_SESSION["uid"]);
$reply["info-for-headlines"] = array();
if ($label) {
foreach ($ids as $id) {
if ($assign)
Labels::add_article($id, $label, $_SESSION["uid"]);
else
Labels::remove_article($id, $label, $_SESSION["uid"]);
$labels = $this->get_article_labels($id, $_SESSION["uid"]);
array_push($reply["info-for-headlines"],
array("id" => $id, "labels" => $this->format_article_labels($labels)));
}
}
$reply["message"] = "UPDATE_COUNTERS";
print json_encode($reply);
}
function getArticleFeed($id) {
$sth = $this->pdo->prepare("SELECT feed_id FROM ttrss_user_entries
WHERE ref_id = ? AND owner_uid = ?");
$sth->execute([$id, $_SESSION['uid']]);
if ($row = $sth->fetch()) {
return $row["feed_id"];
} else {
return 0;
}
}
static function format_article_enclosures($id, $always_display_enclosures,
$article_content, $hide_images = false) {
$result = Article::get_article_enclosures($id);
$rv = '';
foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_FORMAT_ENCLOSURES) as $plugin) {
$retval = $plugin->hook_format_enclosures($rv, $result, $id, $always_display_enclosures, $article_content, $hide_images);
if (is_array($retval)) {
$rv = $retval[0];
$result = $retval[1];
} else {
$rv = $retval;
}
}
unset($retval); // Unset to prevent breaking render if there are no HOOK_RENDER_ENCLOSURE hooks below.
if ($rv === '' && !empty($result)) {
$entries_html = array();
$entries = array();
$entries_inline = array();
foreach ($result as $line) {
foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ENCLOSURE_ENTRY) as $plugin) {
$line = $plugin->hook_enclosure_entry($line, $id);
}
$url = $line["content_url"];
$ctype = $line["content_type"];
$title = $line["title"];
$width = $line["width"];
$height = $line["height"];
if (!$ctype) $ctype = __("unknown type");
//$filename = substr($url, strrpos($url, "/")+1);
$filename = basename($url);
$player = format_inline_player($url, $ctype);
if ($player) array_push($entries_inline, $player);
# $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\" rel=\"noopener noreferrer\">" .
# $filename . " (" . $ctype . ")" . "</a>";
$entry = "<div onclick=\"popupOpenUrl('".htmlspecialchars($url)."')\"
dojoType=\"dijit.MenuItem\">$filename ($ctype)</div>";
array_push($entries_html, $entry);
$entry = array();
$entry["type"] = $ctype;
$entry["filename"] = $filename;
$entry["url"] = $url;
$entry["title"] = $title;
$entry["width"] = $width;
$entry["height"] = $height;
array_push($entries, $entry);
}
if ($_SESSION['uid'] && !get_pref("STRIP_IMAGES") && !$_SESSION["bw_limit"]) {
if ($always_display_enclosures ||
!preg_match("/<img/i", $article_content)) {
foreach ($entries as $entry) {
foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ENCLOSURE) as $plugin)
$retval = $plugin->hook_render_enclosure($entry, $hide_images);
if ($retval) {
$rv .= $retval;
} else {
if (preg_match("/image/", $entry["type"])) {
if (!$hide_images) {
$encsize = '';
if ($entry['height'] > 0)
$encsize .= ' height="' . intval($entry['height']) . '"';
if ($entry['width'] > 0)
$encsize .= ' width="' . intval($entry['width']) . '"';
$rv .= "<p><img
alt=\"".htmlspecialchars($entry["filename"])."\"
src=\"" .htmlspecialchars($entry["url"]) . "\"
" . $encsize . " /></p>";
} else {
$rv .= "<p><a target=\"_blank\" rel=\"noopener noreferrer\"
href=\"".htmlspecialchars($entry["url"])."\"
>" .htmlspecialchars($entry["url"]) . "</a></p>";
}
if ($entry['title']) {
$rv.= "<div class=\"enclosure_title\">${entry['title']}</div>";
}
}
}
}
}
}
if (count($entries_inline) > 0) {
//$rv .= "<hr clear='both'/>";
foreach ($entries_inline as $entry) { $rv .= $entry; };
$rv .= "<br clear='both'/>";
}
$rv .= "<div class=\"attachments\" dojoType=\"fox.form.DropDownButton\">".
"<span>" . __('Attachments')."</span>";
$rv .= "<div dojoType=\"dijit.Menu\" style=\"display: none;\">";
foreach ($entries as $entry) {
if ($entry["title"])
$title = " &mdash; " . truncate_string($entry["title"], 30);
else
$title = "";
if ($entry["filename"])
$filename = truncate_middle(htmlspecialchars($entry["filename"]), 60);
else
$filename = "";
$rv .= "<div onclick='popupOpenUrl(\"".htmlspecialchars($entry["url"])."\")'
dojoType=\"dijit.MenuItem\">".$filename . $title."</div>";
};
$rv .= "</div>";
$rv .= "</div>";
}
return $rv;
}
static function get_article_tags($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 $tags;
}
static function format_tags_string($tags) {
if (!is_array($tags) || count($tags) == 0) {
return __("no tags");
} else {
$maxtags = min(5, count($tags));
$tags_str = "";
for ($i = 0; $i < $maxtags; $i++) {
$tags_str .= "<a class=\"tag\" href=\"#\" onclick=\"Feeds.open({feed:'".$tags[$i]."'})\">" . $tags[$i] . "</a>, ";
}
$tags_str = mb_substr($tags_str, 0, mb_strlen($tags_str)-2);
if (count($tags) > $maxtags)
$tags_str .= ", &hellip;";
return $tags_str;
}
}
static function format_article_labels($labels) {
if (!is_array($labels)) return '';
$labels_str = "";
foreach ($labels as $l) {
$labels_str .= sprintf("<div class='label'
style='color : %s; background-color : %s'>%s</div>",
$l[2], $l[3], $l[1]);
}
return $labels_str;
}
static function format_article_note($id, $note, $allow_edit = true) {
if ($allow_edit) {
$onclick = "onclick='Plugins.Note.edit($id)'";
$note_class = 'editable';
} else {
$onclick = '';
$note_class = '';
}
return "<div class='article-note $note_class'>
<i class='material-icons'>note</i>
<div $onclick class='body'>$note</div>
</div>";
return $str;
}
static function get_article_enclosures($id) {
$pdo = Db::pdo();
$sth = $pdo->prepare("SELECT * FROM ttrss_enclosures
WHERE post_id = ? AND content_url != ''");
$sth->execute([$id]);
$rv = array();
$cache = new DiskCache("images");
while ($line = $sth->fetch()) {
if ($cache->exists(sha1($line["content_url"]))) {
$line["content_url"] = $cache->getUrl(sha1($line["content_url"]));
}
array_push($rv, $line);
}
return $rv;
}
static function purge_orphans() {
// purge orphaned posts in main content table
if (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 $rows orphaned posts.");
}
}
static function catchupArticlesById($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]));
/* update ccache */
$sth = $pdo->prepare("SELECT DISTINCT feed_id FROM ttrss_user_entries
WHERE ref_id IN ($ids_qmarks) AND owner_uid = ?");
$sth->execute(array_merge($ids, [$owner_uid]));
while ($line = $sth->fetch()) {
CCache::update($line["feed_id"], $owner_uid);
}
}
static function getLastArticleId() {
$pdo = DB::pdo();
$sth = $pdo->prepare("SELECT ref_id AS id FROM ttrss_user_entries
WHERE owner_uid = ? ORDER BY ref_id DESC LIMIT 1");
$sth->execute([$_SESSION['uid']]);
if ($row = $sth->fetch()) {
return $row['id'];
} else {
return -1;
}
}
static function get_article_labels($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 (!$tmp || $tmp["no-labels"] == 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 $rv;
}
static function get_article_image($enclosures, $content, $site_url) {
$article_image = "";
$article_stream = "";
foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_IMAGE) as $p) {
list ($article_image, $article_stream, $content) = $p->hook_article_image($enclosures, $content, $site_url);
}
if (!$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/" . $matches[1];
break;
}
} else if ($e->nodeName == "video") {
$article_image = $e->getAttribute("poster");
$src = $tmpxpath->query("//source[@src]", $e)->item(0);
if ($src) {
$article_stream = $src->getAttribute("src");
}
break;
} else if ($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_stream)
$article_stream = rewrite_relative_url($site_url, $article_stream);
}
$cache = new DiskCache("images");
if ($article_image && $cache->exists(sha1($article_image)))
$article_image = $cache->getUrl(sha1($article_image));
if ($article_stream && $cache->exists(sha1($article_stream)))
$article_stream = $cache->getUrl(sha1($article_stream));
return [$article_image, $article_stream];
}
}
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