X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FUtil%2FParseUrl.php;h=1f8fbdeabe4e8898d2a4442196a46a2093c2afd3;hb=03bf1dcbd3c9760a15b22df9c04cc6f7b30fbb2d;hp=b267c610864326ed216d7e90e9ed64a70435bee7;hpb=41cd5af54f5771db5048cf824e7b4f6df1a96c72;p=friendica.git diff --git a/src/Util/ParseUrl.php b/src/Util/ParseUrl.php index b267c61086..1f8fbdeabe 100644 --- a/src/Util/ParseUrl.php +++ b/src/Util/ParseUrl.php @@ -5,17 +5,12 @@ */ namespace Friendica\Util; -use Friendica\Content\OEmbed; -use Friendica\Core\Addon; -use Friendica\Object\Image; -use Friendica\Util\Network; -use Friendica\Util\XML; - -use dba; -use DOMXPath; use DOMDocument; - -require_once 'include/dba.php'; +use DOMXPath; +use Friendica\Content\OEmbed; +use Friendica\Core\Hook; +use Friendica\Core\Logger; +use Friendica\Database\DBA; /** * @brief Class with methods for extracting certain content from an url @@ -26,10 +21,10 @@ class ParseUrl * @brief Search for chached embeddable data of an url otherwise fetch it * * @param string $url The url of the page which should be scraped - * @param bool $no_guessing If true the parse doens't search for - * preview pictures - * @param bool $do_oembed The false option is used by the function fetch_oembed() - * to avoid endless loops + * @param bool $no_guessing If true the parse doens't search for + * preview pictures + * @param bool $do_oembed The false option is used by the function fetch_oembed() + * to avoid endless loops * * @return array which contains needed data for embedding * string 'url' => The url of the parsed page @@ -41,7 +36,8 @@ class ParseUrl * array'images' = Array of preview pictures * string 'keywords' => The tags which belong to the content * - * @see ParseUrl::getSiteinfo() for more information about scraping + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @see ParseUrl::getSiteinfo() for more information about scraping * embeddable content */ public static function getSiteinfoCached($url, $no_guessing = false, $do_oembed = true) @@ -50,8 +46,8 @@ class ParseUrl return false; } - $parsed_url = dba::selectFirst('parsed_url', ['content'], - ['url' => normalise_link($url), 'guessing' => !$no_guessing, 'oembed' => $do_oembed] + $parsed_url = DBA::selectFirst('parsed_url', ['content'], + ['url' => Strings::normaliseLink($url), 'guessing' => !$no_guessing, 'oembed' => $do_oembed] ); if (!empty($parsed_url['content'])) { $data = unserialize($parsed_url['content']); @@ -60,10 +56,10 @@ class ParseUrl $data = self::getSiteinfo($url, $no_guessing, $do_oembed); - dba::insert( + DBA::insert( 'parsed_url', [ - 'url' => normalise_link($url), 'guessing' => !$no_guessing, + 'url' => Strings::normaliseLink($url), 'guessing' => !$no_guessing, 'oembed' => $do_oembed, 'content' => serialize($data), 'created' => DateTimeFormat::utcNow() ], @@ -72,6 +68,7 @@ class ParseUrl return $data; } + /** * @brief Parse a page for embeddable content information * @@ -83,11 +80,11 @@ class ParseUrl * \ * * @param string $url The url of the page which should be scraped - * @param bool $no_guessing If true the parse doens't search for - * preview pictures - * @param bool $do_oembed The false option is used by the function fetch_oembed() - * to avoid endless loops - * @param int $count Internal counter to avoid endless loops + * @param bool $no_guessing If true the parse doens't search for + * preview pictures + * @param bool $do_oembed The false option is used by the function fetch_oembed() + * to avoid endless loops + * @param int $count Internal counter to avoid endless loops * * @return array which contains needed data for embedding * string 'url' => The url of the parsed page @@ -99,7 +96,8 @@ class ParseUrl * array'images' = Array of preview pictures * string 'keywords' => The tags which belong to the content * - * @todo https://developers.google.com/+/plugins/snippet/ + * @throws \Friendica\Network\HTTPException\InternalServerErrorException + * @todo https://developers.google.com/+/plugins/snippet/ * @verbatim * * @@ -114,20 +112,18 @@ class ParseUrl */ public static function getSiteinfo($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 ($scheme == '') { + $url = 'http://' . trim($url, '/'); } if ($count > 10) { - logger("parseurl_getsiteinfo: Endless loop detected for ".$url, LOGGER_DEBUG); - return($siteinfo); + Logger::log('Endless loop detected for ' . $url, Logger::DEBUG); + return $siteinfo; } $url = trim($url, "'"); @@ -135,219 +131,223 @@ class ParseUrl $url = Network::stripTrackingQueryParams($url); - $siteinfo["url"] = $url; - $siteinfo["type"] = "link"; + $siteinfo['url'] = $url; + $siteinfo['type'] = 'link'; - $data = Network::curl($url); - if (!$data['success']) { - return($siteinfo); + $curlResult = Network::curl($url); + if (!$curlResult->isSuccess()) { + return $siteinfo; } // If the file is too large then exit - if ($data["info"]["download_content_length"] > 1000000) { - return($siteinfo); + if (($curlResult->getInfo()['download_content_length'] ?? 0) > 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); + if (($curlResult->getContentType() != '') && !strstr(strtolower($curlResult->getContentType()), 'html')) { + return $siteinfo; } - $header = $data["header"]; - $body = $data["body"]; + $header = $curlResult->getHeader(); + $body = $curlResult->getBody(); if ($do_oembed) { $oembed_data = OEmbed::fetchURL($url); - 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 (!empty($oembed_data->type)) { + if (!in_array($oembed_data->type, ['error', 'rich', ''])) { + $siteinfo['type'] = $oembed_data->type; } - if (isset($oembed_data->description)) { - $siteinfo["text"] = trim($oembed_data->description); - } - if (isset($oembed_data->thumbnail_url)) { - $siteinfo["image"] = $oembed_data->thumbnail_url; + + // See https://github.com/friendica/friendica/pull/5763#discussion_r217913178 + if ($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 = ''; + 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') { + // See https://github.com/friendica/friendica/issues/5470#issuecomment-418351211 + $charset = str_ireplace('latin-1', 'latin1', $charset); - if (($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); + Logger::log('detected charset ' . $charset, Logger::DEBUG); + $body = iconv($charset, 'UTF-8//TRANSLIT', $body); } - $body = mb_convert_encoding($body, 'HTML-ENTITIES', "UTF-8"); + $body = mb_convert_encoding($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"); + 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]"); + $list = $xpath->query('//meta[@content]'); foreach ($list as $node) { - $attr = []; + $meta_tag = []; if ($node->attributes->length) { foreach ($node->attributes as $attribute) { - $attr[$attribute->name] = $attribute->value; + $meta_tag[$attribute->name] = $attribute->value; } } - if (@$attr["http-equiv"] == "refresh") { - $path = $attr["content"]; - $pathinfo = explode(";", $path); - $content = ""; + if (@$meta_tag['http-equiv'] == 'refresh') { + $path = $meta_tag['content']; + $pathinfo = explode(';', $path); + $content = ''; foreach ($pathinfo as $value) { - if (substr(strtolower($value), 0, 4) == "url=") { + if (substr(strtolower($value), 0, 4) == 'url=') { $content = substr($value, 4); } } - if ($content != "") { + if ($content != '') { $siteinfo = self::getSiteinfo($content, $no_guessing, $do_oembed, ++$count); - return($siteinfo); + return $siteinfo; } } } - $list = $xpath->query("//title"); + $list = $xpath->query('//title'); if ($list->length > 0) { - $siteinfo["title"] = trim($list->item(0)->nodeValue); + $siteinfo['title'] = trim($list->item(0)->nodeValue); } - //$list = $xpath->query("head/meta[@name]"); - $list = $xpath->query("//meta[@name]"); + $list = $xpath->query('//meta[@name]'); foreach ($list as $node) { - $attr = []; + $meta_tag = []; if ($node->attributes->length) { foreach ($node->attributes as $attribute) { - $attr[$attribute->name] = $attribute->value; + $meta_tag[$attribute->name] = $attribute->value; } } - $attr["content"] = trim(html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8")); - - if ($attr["content"] != "") { - switch (strtolower($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(",", $attr["content"]); - break; - } + if (empty($meta_tag['content'])) { + continue; } - if ($siteinfo["type"] == "summary") { - $siteinfo["type"] = "link"; + + $meta_tag['content'] = trim(html_entity_decode($meta_tag['content'], ENT_QUOTES, 'UTF-8')); + + switch (strtolower($meta_tag['name'])) { + case 'fulltitle': + $siteinfo['title'] = trim($meta_tag['content']); + break; + case 'description': + $siteinfo['text'] = trim($meta_tag['content']); + break; + case 'thumbnail': + $siteinfo['image'] = $meta_tag['content']; + break; + case 'twitter:image': + $siteinfo['image'] = $meta_tag['content']; + break; + case 'twitter:image:src': + $siteinfo['image'] = $meta_tag['content']; + break; + case 'twitter:card': + // Detect photo pages + if ($meta_tag['content'] == 'summary_large_image') { + $siteinfo['type'] = 'photo'; + } + break; + case 'twitter:description': + $siteinfo['text'] = trim($meta_tag['content']); + break; + case 'twitter:title': + $siteinfo['title'] = trim($meta_tag['content']); + break; + case 'dc.title': + $siteinfo['title'] = trim($meta_tag['content']); + break; + case 'dc.description': + $siteinfo['text'] = trim($meta_tag['content']); + break; + case 'keywords': + $keywords = explode(',', $meta_tag['content']); + break; + case 'news_keywords': + $keywords = explode(',', $meta_tag['content']); + break; } } if (isset($keywords)) { - $siteinfo["keywords"] = []; + $siteinfo['keywords'] = []; foreach ($keywords as $keyword) { - if (!in_array(trim($keyword), $siteinfo["keywords"])) { - $siteinfo["keywords"][] = trim($keyword); + if (!in_array(trim($keyword), $siteinfo['keywords'])) { + $siteinfo['keywords'][] = trim($keyword); } } } - //$list = $xpath->query("head/meta[@property]"); - $list = $xpath->query("//meta[@property]"); + $list = $xpath->query('//meta[@property]'); foreach ($list as $node) { - $attr = []; + $meta_tag = []; if ($node->attributes->length) { foreach ($node->attributes as $attribute) { - $attr[$attribute->name] = $attribute->value; + $meta_tag[$attribute->name] = $attribute->value; } } - $attr["content"] = trim(html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8")); + if (!empty($meta_tag['content'])) { + $meta_tag['content'] = trim(html_entity_decode($meta_tag['content'], ENT_QUOTES, 'UTF-8')); - if ($attr["content"] != "") { - switch (strtolower($attr["property"])) { - case "og:image": - $siteinfo["image"] = $attr["content"]; + switch (strtolower($meta_tag['property'])) { + case 'og:image': + $siteinfo['image'] = $meta_tag['content']; break; - case "og:title": - $siteinfo["title"] = trim($attr["content"]); + case 'og:title': + $siteinfo['title'] = trim($meta_tag['content']); break; - case "og:description": - $siteinfo["text"] = trim($attr["content"]); + case 'og:description': + $siteinfo['text'] = trim($meta_tag['content']); break; } } } - if ((@$siteinfo["image"] == "") && !$no_guessing) { - $list = $xpath->query("//img[@src]"); + // Prevent to have a photo type without an image + if ((empty($siteinfo['image']) || !empty($siteinfo['text'])) && ($siteinfo['type'] == 'photo')) { + $siteinfo['type'] = 'link'; + } + + if (empty($siteinfo['image']) && !$no_guessing) { + $list = $xpath->query('//img[@src]'); foreach ($list as $node) { - $attr = []; + $img_tag = []; if ($node->attributes->length) { foreach ($node->attributes as $attribute) { - $attr[$attribute->name] = $attribute->value; + $img_tag[$attribute->name] = $attribute->value; } } - $src = self::completeUrl($attr["src"], $url); - $photodata = Image::getInfoFromURL($src); + $src = self::completeUrl($img_tag['src'], $url); + $photodata = Images::getInfoFromURLCached($src); if (($photodata) && ($photodata[0] > 150) && ($photodata[1] > 150)) { if ($photodata[0] > 300) { @@ -358,70 +358,72 @@ class ParseUrl $photodata[0] = round($photodata[0] * (300 / $photodata[1])); $photodata[1] = 300; } - $siteinfo["images"][] = ["src" => $src, - "width" => $photodata[0], - "height" => $photodata[1]]; + $siteinfo['images'][] = [ + 'src' => $src, + 'width' => $photodata[0], + 'height' => $photodata[1] + ]; } } - } elseif ($siteinfo["image"] != "") { - $src = self::completeUrl($siteinfo["image"], $url); + } elseif (!empty($siteinfo['image'])) { + $src = self::completeUrl($siteinfo['image'], $url); - unset($siteinfo["image"]); + unset($siteinfo['image']); - $photodata = Image::getInfoFromURL($src); + $photodata = Images::getInfoFromURLCached($src); if (($photodata) && ($photodata[0] > 10) && ($photodata[1] > 10)) { - $siteinfo["images"][] = ["src" => $src, - "width" => $photodata[0], - "height" => $photodata[1]]; + $siteinfo['images'][] = ['src' => $src, + 'width' => $photodata[0], + 'height' => $photodata[1]]; } } - if ((@$siteinfo["text"] == "") && (@$siteinfo["title"] != "") && !$no_guessing) { - $text = ""; + if ((@$siteinfo['text'] == '') && (@$siteinfo['title'] != '') && !$no_guessing) { + $text = ''; - $list = $xpath->query("//div[@class='article']"); + $list = $xpath->query('//div[@class="article"]'); foreach ($list as $node) { if (strlen($node->nodeValue) > 40) { - $text .= " ".trim($node->nodeValue); + $text .= ' ' . trim($node->nodeValue); } } - if ($text == "") { - $list = $xpath->query("//div[@class='content']"); + if ($text == '') { + $list = $xpath->query('//div[@class="content"]'); foreach ($list as $node) { if (strlen($node->nodeValue) > 40) { - $text .= " ".trim($node->nodeValue); + $text .= ' ' . trim($node->nodeValue); } } } // If none text was found then take the paragraph content - if ($text == "") { - $list = $xpath->query("//p"); + if ($text == '') { + $list = $xpath->query('//p'); foreach ($list as $node) { if (strlen($node->nodeValue) > 40) { - $text .= " ".trim($node->nodeValue); + $text .= ' ' . trim($node->nodeValue); } } } - if ($text != "") { - $text = trim(str_replace(["\n", "\r"], [" ", " "], $text)); + if ($text != '') { + $text = trim(str_replace(["\n", "\r"], [' ', ' '], $text)); - while (strpos($text, " ")) { - $text = trim(str_replace(" ", " ", $text)); + while (strpos($text, ' ')) { + $text = trim(str_replace(' ', ' ', $text)); } - $siteinfo["text"] = trim(html_entity_decode(substr($text, 0, 350), ENT_QUOTES, "UTF-8").'...'); + $siteinfo['text'] = trim(html_entity_decode(substr($text, 0, 350), ENT_QUOTES, 'UTF-8') . '...'); } } - logger("parseurl_getsiteinfo: Siteinfo for ".$url." ".print_r($siteinfo, true), LOGGER_DEBUG); + Logger::log('Siteinfo for ' . $url . ' ' . print_r($siteinfo, true), Logger::DEBUG); - Addon::callHooks("getsiteinfo", $siteinfo); + Hook::callAll('getsiteinfo', $siteinfo); - return($siteinfo); + return $siteinfo; } /** @@ -483,21 +485,23 @@ class ParseUrl $complete = $schemearr["scheme"]."://".$schemearr["host"]; - if (@$schemearr["port"] != "") { + if (!empty($schemearr["port"])) { $complete .= ":".$schemearr["port"]; } - if (strpos($urlarr["path"], "/") !== 0) { - $complete .= "/"; - } + if (!empty($urlarr["path"])) { + if (strpos($urlarr["path"], "/") !== 0) { + $complete .= "/"; + } - $complete .= $urlarr["path"]; + $complete .= $urlarr["path"]; + } - if (@$urlarr["query"] != "") { + if (!empty($urlarr["query"])) { $complete .= "?".$urlarr["query"]; } - if (@$urlarr["fragment"] != "") { + if (!empty($urlarr["fragment"])) { $complete .= "#".$urlarr["fragment"]; }