true); } /** @return void */ function save() { $enable_share_anything = checkbox_to_sql_bool($_POST["enable_share_anything"] ?? ""); $this->host->set($this, "enable_share_anything", $enable_share_anything); echo __("Data saved."); } function init($host) { $this->host = $host; $host->add_hook($host::HOOK_ARTICLE_FILTER, $this); $host->add_hook($host::HOOK_PREFS_TAB, $this); $host->add_hook($host::HOOK_PREFS_EDIT_FEED, $this); $host->add_hook($host::HOOK_PREFS_SAVE_FEED, $this); $host->add_hook($host::HOOK_ARTICLE_BUTTON, $this); // Note: we have to install the hook even if disabled because init() is being run before plugin data has loaded // so we can't check for our storage-set options here $host->add_hook($host::HOOK_GET_FULL_TEXT, $this); $host->add_filter_action($this, "action_inline", __("Inline content")); $host->add_filter_action($this, "action_inline_append", __("Append content")); } function get_js() { return file_get_contents(__DIR__ . "/init.js"); } function hook_article_button($line) { return "description"; } function hook_prefs_tab($args) { if ($args != "prefFeeds") return; $enable_share_anything = sql_bool_to_bool($this->host->get($this, "enable_share_anything")); ?>
filter_unknown_feeds( $this->get_stored_array("enabled_feeds")); $append_feeds = $this->filter_unknown_feeds( $this->get_stored_array("append_feeds")); $this->host->set($this, "enabled_feeds", $enabled_feeds); $this->host->set($this, "append_feeds", $append_feeds); ?> 0) { ?>

get_stored_array("enabled_feeds"); $append_feeds = $this->get_stored_array("append_feeds"); ?>
get_stored_array("enabled_feeds"); $append_feeds = $this->get_stored_array("append_feeds"); $enable = checkbox_to_sql_bool($_POST["af_readability_enabled"] ?? ""); $append = checkbox_to_sql_bool($_POST["af_readability_append"] ?? ""); $enable_key = array_search($feed_id, $enabled_feeds); $append_key = array_search($feed_id, $append_feeds); if ($enable) { if ($enable_key === false) { array_push($enabled_feeds, $feed_id); } } else { if ($enable_key !== false) { unset($enabled_feeds[$enable_key]); } } if ($append) { if ($append_key === false) { array_push($append_feeds, $feed_id); } } else { if ($append_key !== false) { unset($append_feeds[$append_key]); } } $this->host->set($this, "enabled_feeds", $enabled_feeds); $this->host->set($this, "append_feeds", $append_feeds); } function hook_article_filter_action($article, $action) { switch ($action) { case "action_inline": return $this->process_article($article, false); case "action_append": return $this->process_article($article, true); } return $article; } /** * @param string $url * @return string|false */ public function extract_content(string $url) { $tmp = UrlHelper::fetch([ "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($tmp)) return false; // this is the worst hack yet :( if (strtolower($tmpdoc->encoding) != 'utf-8') { $tmp = preg_replace("//i", "", $tmp); if (empty($tmpdoc->encoding)) { $tmp = mb_convert_encoding($tmp, 'utf-8'); } else { $tmp = mb_convert_encoding($tmp, 'utf-8', $tmpdoc->encoding); } } try { $r = new Readability(new Configuration([ 'fixRelativeURLs' => true, 'originalURL' => $url, ])); if ($r->parse($tmp)) { $tmpxpath = new DOMXPath($r->getDOMDOcument()); $entries = $tmpxpath->query('(//a[@href]|//img[@src])'); foreach ($entries as $entry) { if ($entry->hasAttribute("href")) { $entry->setAttribute("href", UrlHelper::rewrite_relative(UrlHelper::$fetch_effective_url, $entry->getAttribute("href"))); } if ($entry->hasAttribute("src")) { if ($entry->hasAttribute("data-src")) { $src = $entry->getAttribute("data-src"); } else { $src = $entry->getAttribute("src"); } $entry->setAttribute("src", UrlHelper::rewrite_relative(UrlHelper::$fetch_effective_url, $src)); } } return $r->getContent(); } } catch (Exception $e) { return false; } } return false; } /** * @param array $article * @param bool $append_mode * @return array * @throws PDOException */ function process_article(array $article, bool $append_mode) : array { $extracted_content = $this->extract_content($article["link"]); # let's see if there's anything of value in there $content_test = trim(strip_tags(Sanitizer::sanitize($extracted_content))); if ($content_test) { if ($append_mode) $article["content"] .= "
" . $extracted_content; else $article["content"] = $extracted_content; } return $article; } /** * @param string $name * @return array * @throws PDOException * @deprecated */ private function get_stored_array(string $name) : array { return $this->host->get_array($this, $name); } function hook_article_filter($article) { $enabled_feeds = $this->get_stored_array("enabled_feeds"); $append_feeds = $this->get_stored_array("append_feeds"); $feed_id = $article["feed"]["id"]; if (!in_array($feed_id, $enabled_feeds)) return $article; return $this->process_article($article, in_array($feed_id, $append_feeds)); } function hook_get_full_text($link) { $enable_share_anything = $this->host->get($this, "enable_share_anything"); if ($enable_share_anything) { $extracted_content = $this->extract_content($link); # let's see if there's anything of value in there $content_test = trim(strip_tags(Sanitizer::sanitize($extracted_content))); if ($content_test) { return $extracted_content; } } return false; } function api_version() { return 2; } /** * @param array $enabled_feeds * @return array * @throws PDOException */ private function filter_unknown_feeds(array $enabled_feeds) : array { $tmp = array(); foreach ($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; } function embed() : void { $article_id = (int) $_REQUEST["id"]; $sth = $this->pdo->prepare("SELECT link FROM ttrss_entries WHERE id = ?"); $sth->execute([$article_id]); $ret = []; if ($row = $sth->fetch()) { $ret["content"] = Sanitizer::sanitize($this->extract_content($row["link"])); } print json_encode($ret); } }