Shiny trinkets are shiny.
* * @endverbatim */ public static function getSiteinfo($url, $no_guessing = false, $do_oembed = true, $count = 1) { $a = get_app(); $siteinfo = []; // Check if the URL does contain a scheme $scheme = parse_url($url, PHP_URL_SCHEME); if ($scheme == "") { $url = "http://".trim($url, "/"); } if ($count > 10) { logger("parseurl_getsiteinfo: Endless loop detected for ".$url, LOGGER_DEBUG); return($siteinfo); } $url = trim($url, "'"); $url = trim($url, '"'); $url = Network::stripTrackingQueryParams($url); $siteinfo["url"] = $url; $siteinfo["type"] = "link"; $data = Network::curl($url); if (!$data['success']) { return($siteinfo); } // If the file is too large then exit if ($data["info"]["download_content_length"] > 1000000) { return($siteinfo); } // If it isn't a HTML file then exit if (($data["info"]["content_type"] != "") && !strstr(strtolower($data["info"]["content_type"]), "html")) { return($siteinfo); } $header = $data["header"]; $body = $data["body"]; if ($do_oembed) { $oembed_data = OEmbed::fetchURL($url); if (!empty($oembed_data->type)) { if (!in_array($oembed_data->type, ["error", "rich", ""])) { $siteinfo["type"] = $oembed_data->type; } if (($oembed_data->type == "link") && ($siteinfo["type"] != "photo")) { if (isset($oembed_data->title)) { $siteinfo["title"] = trim($oembed_data->title); } if (isset($oembed_data->description)) { $siteinfo["text"] = trim($oembed_data->description); } if (isset($oembed_data->thumbnail_url)) { $siteinfo["image"] = $oembed_data->thumbnail_url; } } } } // Fetch the first mentioned charset. Can be in body or header $charset = ""; if (preg_match('/charset=(.*?)['."'".'"\s\n]/', $header, $matches)) { $charset = trim(trim(trim(array_pop($matches)), ';,')); } if ($charset == "") { $charset = "utf-8"; } if (($charset != "") && (strtoupper($charset) != "UTF-8")) { logger("parseurl_getsiteinfo: detected charset ".$charset, LOGGER_DEBUG); //$body = mb_convert_encoding($body, "UTF-8", $charset); $body = iconv($charset, "UTF-8//TRANSLIT", $body); } $body = mb_convert_encoding($body, 'HTML-ENTITIES', "UTF-8"); $doc = new DOMDocument(); @$doc->loadHTML($body); XML::deleteNode($doc, "style"); XML::deleteNode($doc, "script"); XML::deleteNode($doc, "option"); XML::deleteNode($doc, "h1"); XML::deleteNode($doc, "h2"); XML::deleteNode($doc, "h3"); XML::deleteNode($doc, "h4"); XML::deleteNode($doc, "h5"); XML::deleteNode($doc, "h6"); XML::deleteNode($doc, "ol"); XML::deleteNode($doc, "ul"); $xpath = new DOMXPath($doc); $list = $xpath->query("//meta[@content]"); foreach ($list as $node) { $attr = []; if ($node->attributes->length) { foreach ($node->attributes as $attribute) { $attr[$attribute->name] = $attribute->value; } } if (@$attr["http-equiv"] == "refresh") { $path = $attr["content"]; $pathinfo = explode(";", $path); $content = ""; foreach ($pathinfo as $value) { if (substr(strtolower($value), 0, 4) == "url=") { $content = substr($value, 4); } } if ($content != "") { $siteinfo = self::getSiteinfo($content, $no_guessing, $do_oembed, ++$count); return($siteinfo); } } } $list = $xpath->query("//title"); if ($list->length > 0) { $siteinfo["title"] = trim($list->item(0)->nodeValue); } //$list = $xpath->query("head/meta[@name]"); $list = $xpath->query("//meta[@name]"); foreach ($list as $node) { $attr = []; if ($node->attributes->length) { foreach ($node->attributes as $attribute) { $attr[$attribute->name] = $attribute->value; } } if (!empty($attr["content"])) { $attr["content"] = trim(html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8")); switch (strtolower($attr["name"])) { case "fulltitle": $siteinfo["title"] = trim($attr["content"]); break; case "description": $siteinfo["text"] = trim($attr["content"]); break; case "thumbnail": $siteinfo["image"] = $attr["content"]; break; case "twitter:image": $siteinfo["image"] = $attr["content"]; break; case "twitter:image:src": $siteinfo["image"] = $attr["content"]; break; case "twitter:card": if (($siteinfo["type"] == "") || ($attr["content"] == "photo")) { $siteinfo["type"] = $attr["content"]; } break; case "twitter:description": $siteinfo["text"] = trim($attr["content"]); break; case "twitter:title": $siteinfo["title"] = trim($attr["content"]); break; case "dc.title": $siteinfo["title"] = trim($attr["content"]); break; case "dc.description": $siteinfo["text"] = trim($attr["content"]); break; case "keywords": $keywords = explode(",", $attr["content"]); break; case "news_keywords": $keywords = explode(",", $attr["content"]); break; } } if ($siteinfo["type"] == "summary") { $siteinfo["type"] = "link"; } } if (isset($keywords)) { $siteinfo["keywords"] = []; foreach ($keywords as $keyword) { if (!in_array(trim($keyword), $siteinfo["keywords"])) { $siteinfo["keywords"][] = trim($keyword); } } } //$list = $xpath->query("head/meta[@property]"); $list = $xpath->query("//meta[@property]"); foreach ($list as $node) { $attr = []; if ($node->attributes->length) { foreach ($node->attributes as $attribute) { $attr[$attribute->name] = $attribute->value; } } if (!empty($attr["content"])) { $attr["content"] = trim(html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8")); switch (strtolower($attr["property"])) { case "og:image": $siteinfo["image"] = $attr["content"]; break; case "og:title": $siteinfo["title"] = trim($attr["content"]); break; case "og:description": $siteinfo["text"] = trim($attr["content"]); break; } } } if ((@$siteinfo["image"] == "") && !$no_guessing) { $list = $xpath->query("//img[@src]"); foreach ($list as $node) { $attr = []; if ($node->attributes->length) { foreach ($node->attributes as $attribute) { $attr[$attribute->name] = $attribute->value; } } $src = self::completeUrl($attr["src"], $url); $photodata = Image::getInfoFromURL($src); if (($photodata) && ($photodata[0] > 150) && ($photodata[1] > 150)) { if ($photodata[0] > 300) { $photodata[1] = round($photodata[1] * (300 / $photodata[0])); $photodata[0] = 300; } if ($photodata[1] > 300) { $photodata[0] = round($photodata[0] * (300 / $photodata[1])); $photodata[1] = 300; } $siteinfo["images"][] = ["src" => $src, "width" => $photodata[0], "height" => $photodata[1]]; } } } elseif (!empty($siteinfo["image"])) { $src = self::completeUrl($siteinfo["image"], $url); unset($siteinfo["image"]); $photodata = Image::getInfoFromURL($src); if (($photodata) && ($photodata[0] > 10) && ($photodata[1] > 10)) { $siteinfo["images"][] = ["src" => $src, "width" => $photodata[0], "height" => $photodata[1]]; } } if ((@$siteinfo["text"] == "") && (@$siteinfo["title"] != "") && !$no_guessing) { $text = ""; $list = $xpath->query("//div[@class='article']"); foreach ($list as $node) { if (strlen($node->nodeValue) > 40) { $text .= " ".trim($node->nodeValue); } } if ($text == "") { $list = $xpath->query("//div[@class='content']"); foreach ($list as $node) { if (strlen($node->nodeValue) > 40) { $text .= " ".trim($node->nodeValue); } } } // If none text was found then take the paragraph content if ($text == "") { $list = $xpath->query("//p"); foreach ($list as $node) { if (strlen($node->nodeValue) > 40) { $text .= " ".trim($node->nodeValue); } } } if ($text != "") { $text = trim(str_replace(["\n", "\r"], [" ", " "], $text)); while (strpos($text, " ")) { $text = trim(str_replace(" ", " ", $text)); } $siteinfo["text"] = trim(html_entity_decode(substr($text, 0, 350), ENT_QUOTES, "UTF-8").'...'); } } logger("parseurl_getsiteinfo: Siteinfo for ".$url." ".print_r($siteinfo, true), LOGGER_DEBUG); Addon::callHooks("getsiteinfo", $siteinfo); return($siteinfo); } /** * @brief Convert tags from CSV to an array * * @param string $string Tags * @return array with formatted Hashtags */ public static function convertTagsToArray($string) { $arr_tags = str_getcsv($string); if (count($arr_tags)) { // add the # sign to every tag array_walk($arr_tags, ["self", "arrAddHashes"]); return $arr_tags; } } /** * @brief Add a hasht sign to a string * * This method is used as callback function * * @param string $tag The pure tag name * @param int $k Counter for internal use * @return void */ private static function arrAddHashes(&$tag, $k) { $tag = "#" . $tag; } /** * @brief Add a scheme to an url * * The src attribute of some html elements (e.g. images) * can miss the scheme so we need to add the correct * scheme * * @param string $url The url which possibly does have * a missing scheme (a link to an image) * @param string $scheme The url with a correct scheme * (e.g. the url from the webpage which does contain the image) * * @return string The url with a scheme */ private static function completeUrl($url, $scheme) { $urlarr = parse_url($url); // If the url does allready have an scheme // we can stop the process here if (isset($urlarr["scheme"])) { return($url); } $schemearr = parse_url($scheme); $complete = $schemearr["scheme"]."://".$schemearr["host"]; if (@$schemearr["port"] != "") { $complete .= ":".$schemearr["port"]; } if (strpos($urlarr["path"], "/") !== 0) { $complete .= "/"; } $complete .= $urlarr["path"]; if (@$urlarr["query"] != "") { $complete .= "?".$urlarr["query"]; } if (@$urlarr["fragment"] != "") { $complete .= "#".$urlarr["fragment"]; } return($complete); } }