<?php function arr_add_hashes(&$item,$k) { $item = '#' . $item; } function linkinfo_content(&$a) { logger('linkinfo: ' . print_r($_REQUEST,true)); $text = null; $str_tags = ''; $br = "\n"; if(x($_GET,'binurl')) $url = trim(hex2bin($_GET['binurl'])); else $url = trim($_GET['url']); if((substr($url,0,1) != '/') && (substr($url,0,4) != 'http')) $url = 'http://' . $url; if($_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('linkinfo: ' . $url); $result = z_fetch_url($url,false,0,array('novalidate' => true, 'nobody' => true)); if($result['success']) { $hdrs=array(); $h = explode("\n",$result['header']); foreach ($h as $l) { list($k,$v) = array_map("trim", explode(":", trim($l), 2)); $hdrs[$k] = $v; } if (array_key_exists('Content-Type', $hdrs)) $type = $hdrs['Content-Type']; if($type) { $zrl = is_matrix_url($url); if(stripos($type,'image/') !== false) { if($zrl) echo $br . '[zmg]' . $url . '[/zmg]' . $br; else echo $br . '[img]' . $url . '[/img]' . $br; killme(); } if(stripos($type,'video/') !== false) { if($zrl) echo $br . '[zvideo]' . $url . '[/zvideo]' . $br; else echo $br . '[video]' . $url . '[/video]' . $br; killme(); } if(stripos($type,'audio/') !== false) { if($zrl) echo $br . '[zaudio]' . $url . '[/zaudio]' . $br; else echo $br . '[audio]' . $url . '[/audio]' . $br; killme(); } } } $template = $br . '#^[url=%s]%s[/url]%s' . $br; $arr = array('url' => $url, 'text' => ''); call_hooks('parse_link', $arr); if(strlen($arr['text'])) { echo $arr['text']; killme(); } $x = oembed_process($url); if($x) { echo $x; killme(); } if($url && $title && $text) { $text = $br . '[quote]' . trim($text) . '[/quote]' . $br; $title = str_replace(array("\r","\n"),array('',''),$title); $result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags; logger('linkinfo (unparsed): returns: ' . $result); echo $result; killme(); } $siteinfo = parseurl_getsiteinfo($url); // If this is a Red site, use zrl rather than url so they get zids sent to them by default if( x($siteinfo,'generator') && (strpos($siteinfo['generator'],PLATFORM_NAME . ' ') === 0)) $template = str_replace('url','zrl',$template); if($siteinfo["title"] == "") { echo sprintf($template,$url,$url,'') . $str_tags; killme(); } else { $text = $siteinfo["text"]; $title = $siteinfo["title"]; } $image = ""; if(sizeof($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 $imagedata) { if ($url) { $image .= sprintf('[url=%s]', $url); } $image .= '[img='.$imagedata["width"].'x'.$imagedata["height"].']'.$imagedata["src"].'[/img]'; if ($url) { $image .= '[/url]'; } $image .= "\n"; $total_images ++; if($max_images && $max_images >= $total_images) break; } } if(strlen($text)) { $text = $br.'[quote]'.trim($text).'[/quote]'.$br ; } if($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('linkinfo: returns: ' . $result, LOGGER_DEBUG); echo trim($result); killme(); } function deletexnode(&$doc, $node) { $xpath = new DomXPath($doc); $list = $xpath->query("//".$node); foreach ($list as $child) $child->parentNode->removeChild($child); } function completeurl($url, $scheme) { $urlarr = parse_url($url); 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($complete); } function parseurl_getsiteinfo($url) { $siteinfo = array(); $result = z_fetch_url($url,false,0,array('novalidate' => true)); if(! $result['success']) return $siteinfo; $header = $result['header']; $body = $result['body']; $body = mb_convert_encoding($body, 'UTF-8', 'UTF-8'); $body = mb_convert_encoding($body, 'HTML-ENTITIES', "UTF-8"); $doc = new DOMDocument(); @$doc->loadHTML($body); deletexnode($doc, 'style'); deletexnode($doc, 'script'); deletexnode($doc, 'option'); deletexnode($doc, 'h1'); deletexnode($doc, 'h2'); deletexnode($doc, 'h3'); deletexnode($doc, 'h4'); deletexnode($doc, 'h5'); deletexnode($doc, 'h6'); deletexnode($doc, 'ol'); deletexnode($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 'generator': $siteinfo['generator'] = $attr['content']; break; 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 (($photodata) && ($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 ($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); }