module updates

1 files changed, 381 insertions, 0 deletions

diff --git a/Zotlabs/Module/Linkinfo.php b/Zotlabs/Module/Linkinfo.php
new file mode 100644
index 000000000..a1008f7c4
--- /dev/null
+++ b/Zotlabs/Module/Linkinfo.php
@@ -0,0 +1,381 @@
+<?php
+namespace Zotlabs\Module;
+
+
+
+
+
+class Linkinfo extends \Zotlabs\Web\Controller {
+
+	function get() {
+	
+		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']);
+	
+		$url = strip_zids($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,'self::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'], \Zotlabs\Project\System::get_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);
+	
+		$this->deletexnode($doc, 'style');
+		$this->deletexnode($doc, 'script');
+		$this->deletexnode($doc, 'option');
+		$this->deletexnode($doc, 'h1');
+		$this->deletexnode($doc, 'h2');
+		$this->deletexnode($doc, 'h3');
+		$this->deletexnode($doc, 'h4');
+		$this->deletexnode($doc, 'h5');
+		$this->deletexnode($doc, 'h6');
+		$this->deletexnode($doc, 'ol');
+		$this->deletexnode($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 = $this->completeurl($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 = $this->completeurl($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($siteinfo);
+	}
+	
+
+	private static function arr_add_hashes(&$item,$k) {
+		$item = '#' . $item;
+	}
+
+
+
+
+}