ttrss/classes/article.php

741 lines
19 KiB
PHP
Executable File

<?php
class Article extends Handler_Protected {
const ARTICLE_KIND_ALBUM = 1;
const ARTICLE_KIND_VIDEO = 2;
const ARTICLE_KIND_YOUTUBE = 3;
function redirect() {
$id = (int) clean($_REQUEST['id'] ?? 0);
$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 = UrlHelper::validate(str_replace("\n", "", $row['link']));
if ($article_url) {
header("Location: $article_url");
} else {
header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found");
print "URL of article $id is blank.";
}
} else {
print_error(__("Article not found."));
}
}
static function create_published_article($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 (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']);
$tags = self::get_article_tags($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'>".__('Save')."</button> ";
print "<button dojoType='dijit.form.Button'
onclick='App.dialogOf(this).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" => $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(array_map('trim', 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'];
$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 (?, ?, ?)");
$tags = FeedItem_Common::normalize_categories($tags);
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();
$tags = self::get_article_tags($id);
$tags_str = $this->format_tags_string($tags);
$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 $row["feed_id"];
} else {
return 0;
}
}
static function format_enclosures($id,
$always_display_enclosures,
$article_content,
$hide_images = false) {
$enclosures = self::get_enclosures($id);
$rv = [];
$enclosures_formatted = "";
/*foreach ($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)) {
$rv['formatted'] = $enclosures_formatted;
return $rv;
}
$rv['can_inline'] = isset($_SESSION["uid"]) &&
empty($_SESSION["bw_limit"]) &&
!get_pref("STRIP_IMAGES") &&
($always_display_enclosures || !preg_match("/<img/i", $article_content));
$rv['inline_text_only'] = $hide_images && $rv['can_inline'];
$rv['entries'] = [];
foreach ($enclosures as $enc) {
// this is highly approximate
$enc["filename"] = basename($enc["content_url"]);
PluginHost::getInstance()->chain_hooks_callback(PluginHost::HOOK_ENCLOSURE_ENTRY,
function ($result) use (&$enc) {
$enc = $result;
},
$enc, $id);
array_push($rv['entries'], $enc);
}
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>";
}
function get_metadata_by_id() {
$id = clean($_REQUEST['id']);
$sth = $this->pdo->prepare("SELECT link, title FROM ttrss_entries, ttrss_user_entries
WHERE ref_id = ? AND ref_id = id AND owner_uid = ?");
$sth->execute([$id, $_SESSION['uid']]);
if ($row = $sth->fetch()) {
$link = $row['link'];
$title = $row['title'];
echo json_encode(["link" => $link, "title" => $title]);
}
}
static function get_enclosures($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 = $sth->fetch(PDO::FETCH_ASSOC)) {
if ($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]));
}
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 (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 $rv;
}
static function get_article_image($enclosures, $content, $site_url) {
$article_image = "";
$article_stream = "";
$article_kind = 0;
PluginHost::getInstance()->chain_hooks_callback(PluginHost::HOOK_ARTICLE_IMAGE,
function ($result) use (&$article_image, &$article_stream, &$content) {
list ($article_image, $article_stream, $content) = $result;
},
$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];
$article_kind = Article::ARTICLE_KIND_YOUTUBE;
break;
}
} else if ($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 = $cache->getUrl(sha1($article_image));
if ($article_stream && $cache->exists(sha1($article_stream)))
$article_stream = $cache->getUrl(sha1($article_stream));
return [$article_image, $article_stream, $article_kind];
}
}