X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=mod%2Fparse_url.php;h=71d767675f8c51a1b3cba44b3edae4e2bd0c7bf8;hb=5f89cb09234bc79aab2be93778609b344239c3da;hp=bf6639b300a72cd6a24cd2c6a14aa186fe6a9862;hpb=35edf79abe08bcc1833dc695cb9aebfa5d4a78c0;p=friendica.git diff --git a/mod/parse_url.php b/mod/parse_url.php index bf6639b300..71d767675f 100644 --- a/mod/parse_url.php +++ b/mod/parse_url.php @@ -1,114 +1,531 @@ + + -function parse_url_content(&$a) { + +

Shiny Trinket

+ +

Shiny trinkets are shiny.

+ +*/ - logger('parse_url: ' . $_GET['url']); +if(!function_exists('deletenode')) { + function deletenode(&$doc, $node) + { + $xpath = new DomXPath($doc); + $list = $xpath->query("//".$node); + foreach ($list as $child) + $child->parentNode->removeChild($child); + } +} - $url = trim(hex2bin($_GET['url'])); +function completeurl($url, $scheme) { + $urlarr = parse_url($url); - logger('parse_url: ' . $url); + if (isset($urlarr["scheme"])) + return($url); - $text = null; + $schemearr = parse_url($scheme); - $template = "%s\n%s"; + $complete = $schemearr["scheme"]."://".$schemearr["host"]; + if (@$schemearr["port"] != "") + $complete .= ":".$schemearr["port"]; - $arr = array('url' => $url, 'text' => ''); + if(strpos($urlarr['path'],'/') !== 0) + $complete .= '/'; - call_hooks('parse_link', $arr); + $complete .= $urlarr["path"]; - if(strlen($arr['text'])) { - echo $arr['text']; - killme(); - } + if (@$urlarr["query"] != "") + $complete .= "?".$urlarr["query"]; - if($url) { - $s = fetch_url($url); - } else { - echo ''; - killme(); + if (@$urlarr["fragment"] != "") + $complete .= "#".$urlarr["fragment"]; + + return($complete); +} + +function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true, $count = 1) { + require_once("include/network.php"); + + $a = get_app(); + + $siteinfo = array(); + + if ($count > 10) { + logger("parseurl_getsiteinfo: Endless loop detected for ".$url, LOGGER_DEBUG); + return($siteinfo); } - logger('parse_url: data: ' . $s, LOGGER_DATA); + $url = trim($url, "'"); + $url = trim($url, '"'); - if(! $s) { - echo sprintf($template,$url,$url,''); - killme(); + $url = original_url($url); + + $siteinfo["url"] = $url; + $siteinfo["type"] = "link"; + + $stamp1 = microtime(true); + + $ch = curl_init(); + curl_setopt($ch, CURLOPT_URL, $url); + curl_setopt($ch, CURLOPT_HEADER, 1); + curl_setopt($ch, CURLOPT_NOBODY, 1); + curl_setopt($ch, CURLOPT_TIMEOUT, 3); + curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); + //curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); + curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent()); + + $header = curl_exec($ch); + $curl_info = @curl_getinfo($ch); + $http_code = $curl_info['http_code']; + curl_close($ch); + + $a->save_timestamp($stamp1, "network"); + + if ((($curl_info['http_code'] == "301") OR ($curl_info['http_code'] == "302") OR ($curl_info['http_code'] == "303") OR ($curl_info['http_code'] == "307")) + AND (($curl_info['redirect_url'] != "") OR ($curl_info['location'] != ""))) { + if ($curl_info['redirect_url'] != "") + $siteinfo = parseurl_getsiteinfo($curl_info['redirect_url'], $no_guessing, $do_oembed, ++$count); + else + $siteinfo = parseurl_getsiteinfo($curl_info['location'], $no_guessing, $do_oembed, ++$count); + return($siteinfo); } - if(strpos($s,'')) { - $title = substr($s,strpos($s,'<title>')+7,64); - if(strpos($title,'<') !== false) - $title = substr($title,0,strpos($title,'<')); + // if the file is too large then exit + if ($curl_info["download_content_length"] > 1000000) + return($siteinfo); + + // if it isn't a HTML file then exit + if (($curl_info["content_type"] != "") AND !strstr(strtolower($curl_info["content_type"]),"html")) + return($siteinfo); + + if ($do_oembed) { + require_once("include/oembed.php"); + + $oembed_data = oembed_fetch_url($url); + + if ($oembed_data->type != "error") + $siteinfo["type"] = $oembed_data->type; + + if (($oembed_data->type == "link") AND ($siteinfo["type"] != "photo")) { + if (isset($oembed_data->title)) + $siteinfo["title"] = $oembed_data->title; + if (isset($oembed_data->description)) + $siteinfo["text"] = trim($oembed_data->description); + if (isset($oembed_data->thumbnail_url)) + $siteinfo["image"] = $oembed_data->thumbnail_url; + } } - $config = HTMLPurifier_Config::createDefault(); - $config->set('Cache.DefinitionImpl', null); + $stamp1 = microtime(true); - $purifier = new HTMLPurifier($config); - $s = $purifier->purify($s); + // Now fetch the body as well + $ch = curl_init(); + curl_setopt($ch, CURLOPT_URL, $url); + curl_setopt($ch, CURLOPT_HEADER, 1); + curl_setopt($ch, CURLOPT_NOBODY, 0); + curl_setopt($ch, CURLOPT_TIMEOUT, 10); + curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); + curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent()); - $dom = @HTML5_Parser::parse($s); + $header = curl_exec($ch); + $curl_info = @curl_getinfo($ch); + $http_code = $curl_info['http_code']; + curl_close($ch); - if(! $dom) { - echo sprintf($template,$url,$url,''); - killme(); + $a->save_timestamp($stamp1, "network"); + + // 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"; + + $pos = strpos($header, "\r\n\r\n"); + + if ($pos) + $body = trim(substr($header, $pos)); + else + $body = $header; + + if (($charset != '') AND (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); } - $items = $dom->getElementsByTagName('title'); + $body = mb_convert_encoding($body, 'HTML-ENTITIES', "UTF-8"); + + $doc = new DOMDocument(); + @$doc->loadHTML($body); + + deletenode($doc, 'style'); + deletenode($doc, 'script'); + deletenode($doc, 'option'); + deletenode($doc, 'h1'); + deletenode($doc, 'h2'); + deletenode($doc, 'h3'); + deletenode($doc, 'h4'); + deletenode($doc, 'h5'); + deletenode($doc, 'h6'); + deletenode($doc, 'ol'); + deletenode($doc, 'ul'); - if($items) { - foreach($items as $item) { - $title = trim($item->textContent); - break; + $xpath = new DomXPath($doc); + + $list = $xpath->query("//meta[@content]"); + foreach ($list as $node) { + $attr = array(); + if ($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 != "") { + $siteinfo = parseurl_getsiteinfo($content, $no_guessing, $do_oembed, ++$count); + return($siteinfo); + } } } - $divs = $dom->getElementsByTagName('div'); - if($divs) { - foreach($divs as $div) { - $class = $div->getAttribute('class'); - if($class && stristr($class,'article')) { - $items = $div->getElementsByTagName('p'); - if($items) { - foreach($items as $item) { - if($item->getElementsByTagName('script')) - continue; - $text = $item->textContent; - $text = strip_tags($text); - if(strlen($text) < 100) - continue; - $text = substr($text,0,250) . '...' ; - break; - } + //$list = $xpath->query("head/title"); + $list = $xpath->query("//title"); + foreach ($list as $node) + $siteinfo["title"] = html_entity_decode($node->nodeValue, ENT_QUOTES, "UTF-8"); + + //$list = $xpath->query("head/meta[@name]"); + $list = $xpath->query("//meta[@name]"); + foreach ($list as $node) { + $attr = array(); + if ($node->attributes->length) + foreach ($node->attributes as $attribute) + $attr[$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"] = $attr["content"]; + break; + case "description": + $siteinfo["text"] = $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"] == "") OR ($attr["content"] == "photo")) + $siteinfo["type"] = $attr["content"]; + break; + case "twitter:description": + $siteinfo["text"] = $attr["content"]; + break; + case "twitter:title": + $siteinfo["title"] = $attr["content"]; + break; + case "dc.title": + $siteinfo["title"] = $attr["content"]; + break; + case "dc.description": + $siteinfo["text"] = $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)) { + $siteinfo["keywords"] = array(); + foreach ($keywords as $keyword) + $siteinfo["keywords"][] = trim($keyword); + } + + //$list = $xpath->query("head/meta[@property]"); + $list = $xpath->query("//meta[@property]"); + foreach ($list as $node) { + $attr = array(); + if ($node->attributes->length) + foreach ($node->attributes as $attribute) + $attr[$attribute->name] = $attribute->value; + + $attr["content"] = trim(html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8")); + + if ($attr["content"] != "") + switch (strtolower($attr["property"])) { + case "og:image": + $siteinfo["image"] = $attr["content"]; + break; + case "og:title": + $siteinfo["title"] = $attr["content"]; + break; + case "og:description": + $siteinfo["text"] = $attr["content"]; + break; + } + } + + if ((@$siteinfo["image"] == "") AND !$no_guessing) { + $list = $xpath->query("//img[@src]"); + foreach ($list as $node) { + $attr = array(); + if ($node->attributes->length) + foreach ($node->attributes as $attribute) + $attr[$attribute->name] = $attribute->value; + + $src = completeurl($attr["src"], $url); + $photodata = @getimagesize($src); + + if (($photodata) && ($photodata[0] > 150) and ($photodata[1] > 150)) { + if ($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; + } + $siteinfo["images"][] = array("src"=>$src, + "width"=>$photodata[0], + "height"=>$photodata[1]); } + } + } else { + $src = completeurl($siteinfo["image"], $url); + + unset($siteinfo["image"]); + + $photodata = @getimagesize($src); + + if (($photodata) && ($photodata[0] > 10) and ($photodata[1] > 10)) + $siteinfo["images"][] = array("src"=>$src, + "width"=>$photodata[0], + "height"=>$photodata[1]); } - if(! $text) { - $items = $dom->getElementsByTagName('p'); - if($items) { - foreach($items as $item) { - if($item->getElementsByTagName('script')) - continue; - $text = $item->textContent; - $text = strip_tags($text); - if(strlen($text) < 100) - continue; - $text = substr($text,0,250) . '...' ; + if ((@$siteinfo["text"] == "") AND (@$siteinfo["title"] != "") AND !$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(array("\n", "\r"), array(" ", " "), $text)); + + while (strpos($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); + + call_hooks('getsiteinfo', $siteinfo); + + return($siteinfo); +} + +function arr_add_hashes(&$item,$k) { + $item = '#' . $item; +} + +function parse_url_content(&$a) { + + $text = null; + $str_tags = ''; + + $textmode = false; + + if(local_user() && (! feature_enabled(local_user(),'richtext'))) + $textmode = true; + + //if($textmode) + $br = (($textmode) ? "\n" : '<br />'); + + if(x($_GET,'binurl')) + $url = trim(hex2bin($_GET['binurl'])); + else + $url = trim($_GET['url']); + + if($_GET['title']) + $title = strip_tags(trim($_GET['title'])); + + if($_GET['description']) + $text = strip_tags(trim($_GET['description'])); + + if($_GET['tags']) { + $arr_tags = str_getcsv($_GET['tags']); + if(count($arr_tags)) { + array_walk($arr_tags,'arr_add_hashes'); + $str_tags = $br . implode(' ',$arr_tags) . $br; + } + } + + // add url scheme if missing + $arrurl = parse_url($url); + if (!x($arrurl, 'scheme')) { + if (x($arrurl, 'host')) + $url = "http:".$url; + else + $url = "http://".$url; + } + + logger('parse_url: ' . $url); + + if($textmode) + $template = '[bookmark=%s]%s[/bookmark]%s'; + else + $template = "<a class=\"bookmark\" href=\"%s\" >%s</a>%s"; + + $arr = array('url' => $url, 'text' => ''); + + call_hooks('parse_link', $arr); + + if(strlen($arr['text'])) { + echo $arr['text']; + killme(); + } + + + if($url && $title && $text) { + + $title = str_replace(array("\r","\n"),array('',''),$title); + + if($textmode) + $text = '[quote]' . trim($text) . '[/quote]' . $br; + else { + $text = '<blockquote>' . htmlspecialchars(trim($text)) . '</blockquote><br />'; + $title = htmlspecialchars($title); + } + + $result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags; + + logger('parse_url (unparsed): returns: ' . $result); + + echo $result; + killme(); + } + + $siteinfo = parseurl_getsiteinfo($url); + +// if ($textmode) { +// require_once("include/items.php"); +// +// echo add_page_info_data($siteinfo); +// killme(); +// } + + $url= $siteinfo["url"]; + + // If the link contains BBCode stuff, make a short link out of this to avoid parsing problems + if (strpos($url, '[') OR strpos($url, ']')) { + require_once("include/network.php"); + $url = short_link($url); + } + + $sitedata = ""; + + if($siteinfo["title"] != "") { + $text = $siteinfo["text"]; + $title = $siteinfo["title"]; + } + + $image = ""; + + if (($siteinfo["type"] != "video") AND (sizeof($siteinfo["images"]) > 0)){ + /* Execute below code only if image is present in siteinfo */ + + $total_images = 0; + $max_images = get_config('system','max_bookmark_images'); + if($max_images === false) + $max_images = 2; + else + $max_images = intval($max_images); + + foreach ($siteinfo["images"] as $imagedata) { + if($textmode) + $image .= '[img='.$imagedata["width"].'x'.$imagedata["height"].']'.$imagedata["src"].'[/img]' . "\n"; + else + $image .= '<img height="'.$imagedata["height"].'" width="'.$imagedata["width"].'" src="'.$imagedata["src"].'" alt="photo" /><br />'; + $total_images ++; + if($max_images && $max_images >= $total_images) break; - } } } if(strlen($text)) { - $text = '<br />' . $text; + if($textmode) + $text = '[quote]'.trim($text).'[/quote]'; + else + $text = '<blockquote>'.htmlspecialchars(trim($text)).'</blockquote>'; } - echo sprintf($template,$url,($title) ? $title : $url,$text); + if($image) + $text = $br.$br.$image.$text; + else + $text = $br.$text; + + $title = str_replace(array("\r","\n"),array('',''),$title); + + $result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags; + + logger('parse_url: returns: ' . $result); + + $sitedata .= trim($result); + + if (($siteinfo["type"] == "video") AND ($url != "")) + echo "[class=type-video]".$sitedata."[/class]"; + elseif (($siteinfo["type"] != "photo")) + echo "[class=type-link]".$sitedata."[/class]"; + else + echo "[class=type-photo]".$title.$br.$image."[/class]"; + killme(); } +?>