X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=mod%2Fparse_url.php;h=ea05055f0cefc69b461c29b5e009786320bcc2b8;hb=e78b86f534d2f9b84a76920afbc8c8eb9148e99d;hp=15a6aced0e0fda8fcff6d765c17aea3cf94baa00;hpb=7c5a7a94d4d224d23f7c922b86a60a6ffe53fc9f;p=friendica.git diff --git a/mod/parse_url.php b/mod/parse_url.php index 15a6aced0e..ea05055f0c 100644 --- a/mod/parse_url.php +++ b/mod/parse_url.php @@ -1,19 +1,269 @@ + + -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); + + $schemearr = parse_url($scheme); + + $complete = $schemearr["scheme"]."://".$schemearr["host"]; + + if ($schemearr["port"] != "") + $complete .= ":".$schemearr["port"]; + + $complete .= $urlarr["path"]; + + if ($urlarr["query"] != "") + $complete .= "?".$urlarr["query"]; + + if ($urlarr["fragment"] != "") + $complete .= "#".$urlarr["fragment"]; + + return($complete); +} + +function parseurl_getsiteinfo($url) { + $siteinfo = array(); + + $ch = curl_init(); + curl_setopt($ch, CURLOPT_URL, $url); + curl_setopt($ch, CURLOPT_HEADER, 1); + curl_setopt($ch, CURLOPT_NOBODY, 0); + curl_setopt($ch, CURLOPT_TIMEOUT, 3); + curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); + curl_setopt($ch,CURLOPT_USERAGENT,'Opera/9.64(Windows NT 5.1; U; de) Presto/2.1.1'); + + $header = curl_exec($ch); + curl_close($ch); + + // Fetch the first mentioned charset. Can be in body or header + if (preg_match('/charset=(.*?)['."'".'"\s\n]/', $header, $matches)) + $charset = trim(array_pop($matches)); + else + $charset = "utf-8"; + + $pos = strpos($header, "\r\n\r\n"); + + if ($pos) + $body = trim(substr($header, $pos)); + else + $body = $header; + + $body = mb_convert_encoding($body, "UTF-8", $charset); + $body = mb_convert_encoding($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'); + + $xpath = new DomXPath($doc); + + //$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; + + $attr["content"] = html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8"); + + switch (strtolower($attr["name"])) { + case "fulltitle": + $siteinfo["title"] = $attr["content"]; + break; + case "description": + $siteinfo["text"] = $attr["content"]; + break; + case "dc.title": + $siteinfo["title"] = $attr["content"]; + break; + case "dc.description": + $siteinfo["text"] = $attr["content"]; + break; + } + } + + //$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; + + $attr["content"] = html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8"); + + switch (strtolower($attr["property"])) { + case "og:image": + $siteinfo["image"] = $attr["content"]; + break; + case "og:title": + $siteinfo["title"] = $attr["content"]; + break; + case "og:description": + $siteinfo["text"] = $attr["content"]; + break; + } + } + + if ($siteinfo["image"] == "") { + $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 (($photodata[0] > 150) and ($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 (($photodata[0] > 10) and ($photodata[1] > 10)) + $siteinfo["images"][] = array("src"=>$src, + "width"=>$photodata[0], + "height"=>$photodata[1]); + } + + if ($siteinfo["text"] == "") { + $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)); + + $siteinfo["text"] = html_entity_decode(substr($text,0,350), ENT_QUOTES, "UTF-8").'...'; + } + } + + return($siteinfo); +} + +function arr_add_hashes(&$item,$k) { + $item = '#' . $item; +} + +function parse_url_content(&$a) { $text = null; + $str_tags = ''; - $template = "%s\n%s"; + $textmode = false; + if(local_user() && intval(get_pconfig(local_user(),'system','plaintext'))) + $textmode = true; + //if($textmode) + $br = (($textmode) ? "\n" : '
'); + + 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; + } + } + + logger('parse_url: ' . $url); + + if($textmode) + $template = $br . '[bookmark=%s]%s[/bookmark]%s' . $br; + else + $template = "
%s%s
"; $arr = array('url' => $url, 'text' => ''); @@ -24,76 +274,63 @@ function parse_url_content(&$a) { killme(); } - if($url) { - $s = fetch_url($url); - } else { - echo ''; - killme(); - } + if($url && $title && $text) { - if(! $s) { - echo sprintf($template,$url,$url,''); - killme(); - } + if($textmode) + $text = $br . '[quote]' . trim($text) . '[/quote]' . $br; + else + $text = '

' . trim($text) . '

'; - $dom = @HTML5_Parser::parse($s); + $title = str_replace(array("\r","\n"),array('',''),$title); - if(! $dom) - return $ret; + $result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags; - $items = $dom->getElementsByTagName('title'); + logger('parse_url (unparsed): returns: ' . $result); - if($items) { - foreach($items as $item) { - $title = trim($item->textContent); - break; - } + echo $result; + killme(); } + $siteinfo = parseurl_getsiteinfo($url); - $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; - } - } - } - } + if($siteinfo["title"] == "") { + echo sprintf($template,$url,$url,'') . $str_tags; + killme(); + } else { + $text = $siteinfo["text"]; + $title = $siteinfo["title"]; } - 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) . '...' ; - break; - } - } - } + $image = ""; + + if(sizeof($siteinfo["images"]) > 0){ + /* + Execute below code only if image is present in siteinfo + */ + foreach ($siteinfo["images"] as $imagedata) + if($textmode) + $image .= '[img='.$imagedata["width"].'x'.$imagedata["height"].']'.$imagedata["src"].'[/img]'; + else + $image .= '

'; + } if(strlen($text)) { - $text = '
' . $text; + if($textmode) + $text = $br.'[quote]'.trim($text).'[/quote]'.$br ; + else + $text = '

'.trim($text).'

'; + } + + if($image) { + $text = $br.$br.$image.$text; } + $title = str_replace(array("\r","\n"),array('',''),$title); + + $result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags; + + logger('parse_url: returns: ' . $result); - echo sprintf($template,$url,$title,$text); + echo trim($result); killme(); }