extension ".__('Readability settings (af_readability)')."\">";
if (version_compare(PHP_VERSION, '5.6.0', '<')) {
print_error("This plugin requires PHP version 5.6.");
}
print_notice("Enable the plugin for specific feeds in the feed editor.");
print "
";
$enabled_feeds = $this->host->get($this, "enabled_feeds");
if (!is_array($enabled_feeds)) $enabled_feeds = array();
$enabled_feeds = $this->filter_unknown_feeds($enabled_feeds);
$this->host->set($this, "enabled_feeds", $enabled_feeds);
if (count($enabled_feeds) > 0) {
print "
" . __("Currently enabled for (click to edit):") . "
";
print "
";
}
print "
";
$enabled_feeds = $this->host->get($this, "enabled_feeds");
if (!is_array($enabled_feeds)) $enabled_feeds = array();
$key = array_search($feed_id, $enabled_feeds);
$checked = $key !== FALSE ? "checked" : "";
print "
";
print "";
}
function hook_prefs_save_feed($feed_id) {
$enabled_feeds = $this->host->get($this, "enabled_feeds");
if (!is_array($enabled_feeds)) $enabled_feeds = array();
$enable = checkbox_to_sql_bool($_POST["af_readability_enabled"]);
$key = array_search($feed_id, $enabled_feeds);
if ($enable) {
if ($key === FALSE) {
array_push($enabled_feeds, $feed_id);
}
} else {
if ($key !== FALSE) {
unset($enabled_feeds[$key]);
}
}
$this->host->set($this, "enabled_feeds", $enabled_feeds);
}
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
function hook_article_filter_action($article, $action) {
return $this->process_article($article);
}
public function extract_content($url) {
global $fetch_effective_url;
$tmp = fetch_file_contents([
"url" => $url,
"http_accept" => "text/*",
"type" => "text/html"]);
if ($tmp && mb_strlen($tmp) < 1024 * 500) {
$tmpdoc = new DOMDocument("1.0", "UTF-8");
if (!$tmpdoc->loadHTML($tmp))
return false;
if (strtolower($tmpdoc->encoding) != 'utf-8') {
$tmpxpath = new DOMXPath($tmpdoc);
foreach ($tmpxpath->query("//meta") as $elem) {
$elem->parentNode->removeChild($elem);
}
$tmp = $tmpdoc->saveHTML();
}
$r = new Readability(new Configuration());
try {
if ($r->parse($tmp)) {
$tmpxpath = new DOMXPath($r->getDOMDOcument());
$entries = $tmpxpath->query('(//a[@href]|//img[@src])');
foreach ($entries as $entry) {
if ($entry->hasAttribute("href")) {
$entry->setAttribute("href",
rewrite_relative_url($fetch_effective_url, $entry->getAttribute("href")));
}
if ($entry->hasAttribute("src")) {
$entry->setAttribute("src",
rewrite_relative_url($fetch_effective_url, $entry->getAttribute("src")));
}
}
return $r->getContent();
}
} catch (Exception $e) {
return false;
}
}
return false;
}
function process_article($article) {
$extracted_content = $this->extract_content($article["link"]);
# let's see if there's anything of value in there
$content_test = trim(strip_tags(sanitize($extracted_content)));
if ($content_test) {
$article["content"] = $extracted_content;
}
return $article;
}
function hook_article_filter($article) {
$enabled_feeds = $this->host->get($this, "enabled_feeds");
if (!is_array($enabled_feeds)) return $article;
$key = array_search($article["feed"]["id"], $enabled_feeds);
if ($key === FALSE) return $article;
return $this->process_article($article);
}
function api_version() {
return 2;
}
private function filter_unknown_feeds($enabled_feeds) {
$tmp = array();
foreach ($enabled_feeds as $feed) {
$sth = $this->pdo->prepare("SELECT id FROM ttrss_feeds WHERE id = ? AND owner_uid = ?");
$sth->execute([$feed, $_SESSION['uid']]);
if ($row = $sth->fetch()) {
array_push($tmp, $feed);
}
}
return $tmp;
}
}