diff options
Diffstat (limited to 'Zotlabs/Module/Linkinfo.php')
| -rw-r--r-- | Zotlabs/Module/Linkinfo.php | 190 |
1 files changed, 96 insertions, 94 deletions
diff --git a/Zotlabs/Module/Linkinfo.php b/Zotlabs/Module/Linkinfo.php index 76c679cc5..a05575cb6 100644 --- a/Zotlabs/Module/Linkinfo.php +++ b/Zotlabs/Module/Linkinfo.php @@ -5,37 +5,37 @@ namespace Zotlabs\Module; class Linkinfo extends \Zotlabs\Web\Controller { function get() { - + logger('linkinfo: ' . print_r($_REQUEST,true)); - + $text = null; $str_tags = ''; - $process_oembed = true; - + $process_oembed = true; + $br = "\n"; - + if(x($_GET,'binurl')) $url = trim(hex2bin($_GET['binurl'])); else $url = trim($_GET['url']); - + if(substr($url,0,1) === '!') { $process_oembed = false; $url = substr($url,1); } $url = strip_zids($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)) { @@ -43,23 +43,25 @@ class Linkinfo extends \Zotlabs\Web\Controller { $str_tags = $br . implode(' ',$arr_tags) . $br; } } - + logger('linkinfo: ' . $url); - - // Replace plink URL with 'share' tag if possible - preg_match("/(mid=b64\.|display\/|posts\/)([\w\-]+)(&.+)?$/", $url, $mid); - - if (!empty($mid) && $mid[1] == 'mid=b64.') - $mid[2] = base64_decode($mid[2]); - - $r = q("SELECT id FROM item WHERE mid = '%s' AND uid = %d AND item_private = 0 LIMIT 1", - dbesc((empty($mid) ? $url : $mid[2])), - intval(local_channel()) - ); - if ($r) { - echo "[share=" . $r[0]['id'] . "][/share]"; - killme(); - } + + // Replace plink URL with 'share' tag if possible + preg_match("/(mid=b64\.|display\/|posts\/)([\w\-]+)(&.+)?$/", $url, $mid); + + if (!empty($mid)) { + $mid[2] = unpack_link_id($mid[2]); + } + + $r = q("SELECT id FROM item WHERE mid = '%s' AND uid = %d AND item_private = 0 LIMIT 1", + dbesc((empty($mid) ? $url : $mid[2])), + intval(local_channel()) + ); + + if ($r) { + echo "[share=" . $r[0]['id'] . "][/share]"; + killme(); + } $result = z_fetch_url($url,false,0,array('novalidate' => true, 'nobody' => true)); if($result['success']) { @@ -108,13 +110,13 @@ class Linkinfo extends \Zotlabs\Web\Controller { } } } - + $template = $br . '#^[url=%s]%s[/url]%s' . $br; - + $arr = array('url' => $url, 'text' => ''); - + call_hooks('parse_link', $arr); - + if(strlen($arr['text'])) { echo $arr['text']; killme(); @@ -127,28 +129,28 @@ class Linkinfo extends \Zotlabs\Web\Controller { killme(); } } - + if($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(); } - + $siteinfo = self::parseurl_getsiteinfo($url); - + // If the site uses this platform, use zrl rather than url so they get zids sent to them by default - + if(is_matrix_url($url)) $template = str_replace('url','zrl',$template); - + if($siteinfo["title"] == "") { echo sprintf($template,$url,$url,'') . $str_tags; killme(); @@ -156,19 +158,19 @@ class Linkinfo extends \Zotlabs\Web\Controller { $text = $siteinfo["text"]; $title = $siteinfo["title"]; } - + $image = ""; if(is_array($siteinfo["images"]) && count($siteinfo["images"])){ /* 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]', $url); @@ -183,57 +185,57 @@ class Linkinfo extends \Zotlabs\Web\Controller { break; } } - + if(strlen($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(); - + } - - + + public static function deletexnode(&$doc, $node) { $xpath = new \DomXPath($doc); $list = $xpath->query("//".$node); foreach ($list as $child) $child->parentNode->removeChild($child); } - + public static 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); } @@ -251,7 +253,7 @@ class Linkinfo extends \Zotlabs\Web\Controller { $p = substr($m,strpos($m,'/')+1); // get the channel to check permissions - + $u = channelx_by_nick($nick); if($u && $p) { @@ -272,18 +274,18 @@ class Linkinfo extends \Zotlabs\Web\Controller { return EMPTY_STR; } - + public static function parseurl_getsiteinfo($url) { $siteinfo = array(); - - + + $result = z_fetch_url($url,false,0,array('novalidate' => true)); if(! $result['success']) return $siteinfo; - + $header = $result['header']; $body = $result['body']; - + // Check codepage in HTTP headers or HTML if not exist $cp = (preg_match('/Content-Type: text\/html; charset=(.+)\r\n/i', $header, $o) ? $o[1] : ''); if(empty($cp)) @@ -291,10 +293,10 @@ class Linkinfo extends \Zotlabs\Web\Controller { $body = mb_convert_encoding($body, 'UTF-8', $cp); $body = mb_convert_encoding($body, 'HTML-ENTITIES', "UTF-8"); - + $doc = new \DOMDocument(); @$doc->loadHTML($body); - + self::deletexnode($doc, 'style'); self::deletexnode($doc, 'script'); self::deletexnode($doc, 'option'); @@ -306,14 +308,14 @@ class Linkinfo extends \Zotlabs\Web\Controller { self::deletexnode($doc, 'h6'); self::deletexnode($doc, 'ol'); self::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 $node) { @@ -321,9 +323,9 @@ class Linkinfo extends \Zotlabs\Web\Controller { if ($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": $siteinfo["title"] = trim($attr["content"]); @@ -365,7 +367,7 @@ class Linkinfo extends \Zotlabs\Web\Controller { break; } } - + //$list = $xpath->query("head/meta[@property]"); $list = $xpath->query("//meta[@property]"); foreach ($list as $node) { @@ -373,9 +375,9 @@ class Linkinfo extends \Zotlabs\Web\Controller { if ($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"] = $attr["content"]; @@ -388,7 +390,7 @@ class Linkinfo extends \Zotlabs\Web\Controller { break; } } - + if ($siteinfo["image"] == "") { $list = $xpath->query("//img[@src]"); foreach ($list as $node) { @@ -396,10 +398,10 @@ class Linkinfo extends \Zotlabs\Web\Controller { if ($node->attributes->length) foreach ($node->attributes as $attribute) $attr[$attribute->name] = $attribute->value; - + $src = self::completeurl($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 / $photodata[0])); @@ -413,36 +415,36 @@ class Linkinfo extends \Zotlabs\Web\Controller { "width"=>$photodata[0], "height"=>$photodata[1]); } - + } } else { $src = self::completeurl($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 = $xpath->query("//p"); @@ -450,21 +452,21 @@ class Linkinfo extends \Zotlabs\Web\Controller { if (strlen($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)); - + $text = substr(html_entity_decode($text, ENT_QUOTES, "UTF-8"), 0, 350); $siteinfo["text"] = rtrim(substr($text, 0, strrpos($text, " ")), "?.,:;!-") . '...'; } } - + return($siteinfo); } - + private static function arr_add_hashes(&$item,$k) { $item = '#' . $item; |