<?php
-/**
- * @file mod/parse_url.php
- *
- * @todo https://developers.google.com/+/plugins/snippet/
- *
- * @verbatim
- * <meta itemprop="name" content="Toller Titel">
- * <meta itemprop="description" content="Eine tolle Beschreibung">
- * <meta itemprop="image" content="http://maple.libertreeproject.org/images/tree-icon.png">
- *
- * <body itemscope itemtype="http://schema.org/Product">
- * <h1 itemprop="name">Shiny Trinket</h1>
- * <img itemprop="image" src="{image-url}" />
- * <p itemprop="description">Shiny trinkets are shiny.</p>
- * </body>
- * @endverbatim
-*/
-
-if(!function_exists('deletenode')) {
- function deletenode(&$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($complete);
-}
-
-function parseurl_getsiteinfo_cached($url, $no_guessing = false, $do_oembed = true) {
- if ($url == "")
- return false;
-
- $r = q("SELECT * FROM `parsed_url` WHERE `url` = '%s' AND `guessing` = %d AND `oembed` = %d",
- dbesc(normalise_link($url)), intval(!$no_guessing), intval($do_oembed));
+/**
+ * @file mod/parse_url.php
+ * @brief The parse_url module
+ *
+ * This module does parse an url for embeddable content (audio, video, image files or link)
+ * information and does format this information to BBCode
+ *
+ * @see ParseUrl::getSiteinfo() for more information about scraping embeddable content
+ */
+use Friendica\App;
+use Friendica\Core\Hook;
+use Friendica\Core\Logger;
+use Friendica\Util\Network;
+use Friendica\Util\ParseUrl;
+
+function parse_url_content(App $a)
+{
+ $text = null;
+ $str_tags = '';
- if ($r)
- $data = $r[0]["content"];
+ $br = "\n";
- if (!is_null($data)) {
- $data = unserialize($data);
- return $data;
+ if (!empty($_GET['binurl'])) {
+ $url = trim(hex2bin($_GET['binurl']));
+ } else {
+ $url = trim($_GET['url']);
}
- $data = parseurl_getsiteinfo($url, $no_guessing, $do_oembed);
-
- q("INSERT INTO `parsed_url` (`url`, `guessing`, `oembed`, `content`, `created`) VALUES ('%s', %d, %d, '%s', '%s')
- ON DUPLICATE KEY UPDATE `content` = '%s', `created` = '%s'",
- dbesc(normalise_link($url)), intval(!$no_guessing), intval($do_oembed),
- dbesc(serialize($data)), dbesc(datetime_convert()),
- dbesc(serialize($data)), dbesc(datetime_convert()));
-
- return $data;
-}
-
-function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true, $count = 1) {
- require_once("include/network.php");
- require_once("include/Photo.php");
-
- $a = get_app();
-
- $siteinfo = array();
-
- if ($count > 10) {
- logger("parseurl_getsiteinfo: Endless loop detected for ".$url, LOGGER_DEBUG);
- return($siteinfo);
+ if (!empty($_GET['title'])) {
+ $title = strip_tags(trim($_GET['title']));
}
- $url = trim($url, "'");
- $url = trim($url, '"');
-
- $url = original_url($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($siteinfo);
+ if (!empty($_GET['description'])) {
+ $text = strip_tags(trim($_GET['description']));
}
- // 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"] = $oembed_data->thumbnail_url;
+ if (!empty($_GET['tags'])) {
+ $arr_tags = ParseUrl::convertTagsToArray($_GET['tags']);
+ if (count($arr_tags)) {
+ $str_tags = $br . implode(' ', $arr_tags) . $br;
}
}
- $stamp1 = microtime(true);
-
- // 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());
-
- $header = curl_exec($ch);
- $curl_info = @curl_getinfo($ch);
- $http_code = $curl_info['http_code'];
- curl_close($ch);
-
- $a->save_timestamp($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);
+ // Add url scheme if it is missing
+ $arrurl = parse_url($url);
+ if (empty($arrurl['scheme'])) {
+ if (!empty($arrurl['host'])) {
+ $url = 'http:' . $url;
+ } else {
+ $url = 'http://' . $url;
+ }
}
- $body = mb_convert_encoding($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');
+ Logger::log($url);
- $xpath = new DomXPath($doc);
+ // Check if the URL is an image, video or audio file. If so format
+ // the URL with the corresponding BBCode media tag
+ $redirects = 0;
+ // Fetch the header of the URL
+ $curlResponse = Network::curl($url, false, $redirects, ['novalidate' => true, 'nobody' => true]);
- $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($siteinfo);
+ if ($curlResponse->isSuccess()) {
+ // Convert the header fields into an array
+ $hdrs = [];
+ $h = explode("\n", $curlResponse->getHeader());
+ foreach ($h as $l) {
+ $header = array_map('trim', explode(':', trim($l), 2));
+ if (count($header) == 2) {
+ list($k, $v) = $header;
+ $hdrs[$k] = $v;
}
}
- }
-
- $list = $xpath->query("//title");
- if ($list->length > 0)
- $siteinfo["title"] = $list->item(0)->nodeValue;
-
- //$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;
+ $type = null;
+ if (array_key_exists('Content-Type', $hdrs)) {
+ $type = $hdrs['Content-Type'];
+ }
+ if ($type) {
+ if (stripos($type, 'image/') !== false) {
+ echo $br . '[img]' . $url . '[/img]' . $br;
+ exit();
}
- if ($siteinfo["type"] == "summary")
- $siteinfo["type"] = "link";
- }
-
- if (isset($keywords)) {
- $siteinfo["keywords"] = array();
- foreach ($keywords as $keyword)
- if (!in_array(trim($keyword), $siteinfo["keywords"]))
- $siteinfo["keywords"][] = trim($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"] = $attr["content"];
- break;
+ if (stripos($type, 'video/') !== false) {
+ echo $br . '[video]' . $url . '[/video]' . $br;
+ exit();
}
- }
-
- if ((@$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);
- $photodata = get_photo_info($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]);
+ if (stripos($type, 'audio/') !== false) {
+ echo $br . '[audio]' . $url . '[/audio]' . $br;
+ exit();
}
-
}
- } elseif ($siteinfo["image"] != "") {
- $src = completeurl($siteinfo["image"], $url);
-
- unset($siteinfo["image"]);
-
- $photodata = get_photo_info($src);
-
- if (($photodata) && ($photodata[0] > 10) and ($photodata[1] > 10))
- $siteinfo["images"][] = array("src"=>$src,
- "width"=>$photodata[0],
- "height"=>$photodata[1]);
}
- 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);
+ $template = '[bookmark=%s]%s[/bookmark]%s';
- if ($text == "") {
- $list = $xpath->query("//div[@class='content']");
- foreach ($list as $node)
- if (strlen($node->nodeValue) > 40)
- $text .= " ".trim($node->nodeValue);
- }
+ $arr = ['url' => $url, 'text' => ''];
- // If none text was found then take the paragraph content
- if ($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);
+ Hook::callAll('parse_link', $arr);
- return($siteinfo);
-}
-
-function arr_add_hashes(&$item,$k) {
- $item = '#' . $item;
-}
-
-function parse_url_content(&$a) {
-
- require_once("include/items.php");
-
- $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'])) {
+ if (strlen($arr['text'])) {
echo $arr['text'];
- killme();
+ exit();
}
+ // If there is already some content information submitted we don't
+ // need to parse the url for content.
+ if (!empty($url) && !empty($title) && !empty($text)) {
+ $title = str_replace(["\r", "\n"], ['', ''], $title);
- if($url && $title && $text) {
+ $text = '[quote]' . trim($text) . '[/quote]' . $br;
- $title = str_replace(array("\r","\n"),array('',''),$title);
+ $result = sprintf($template, $url, ($title) ? $title : $url, $text) . $str_tags;
- if($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);
+ Logger::log('(unparsed): returns: ' . $result);
echo $result;
- killme();
+ exit();
}
- $siteinfo = parseurl_getsiteinfo($url);
+ // Fetch the information directly from the webpage
+ $siteinfo = ParseUrl::getSiteinfo($url);
- unset($siteinfo["keywords"]);
+ unset($siteinfo['keywords']);
- $info = add_page_info_data($siteinfo);
+ // Bypass attachment if parse url for a comment
+ if (!empty($_GET['noAttachment'])) {
+ echo $br . '[url=' . $url . ']' . $siteinfo['title'] . '[/url]';
+ exit();
+ }
- if (!$textmode)
- // Replace ' with ’ - not perfect - but the richtext editor has problems otherwise
- $info = str_replace(array("'"), array("’"), $info);
+ // Format it as BBCode attachment
+ $info = add_page_info_data($siteinfo);
echo $info;
- killme();
+ exit();
+}
+
+/**
+ * @brief Legacy function to call ParseUrl::getSiteinfoCached
+ *
+ * Note: We have moved the function to ParseUrl.php. This function is only for
+ * legacy support and will be remove in the future
+ *
+ * @param type $url The url of the page which should be scraped
+ * @param type $no_guessing If true the parse doens't search for
+ * preview pictures
+ * @param type $do_oembed The false option is used by the function fetch_oembed()
+ * to avoid endless loops
+ *
+ * @return array which contains needed data for embedding
+ *
+ * @see ParseUrl::getSiteinfoCached()
+ *
+ * @todo Remove this function after all Addons has been changed to use
+ * ParseUrl::getSiteinfoCached
+ */
+function parseurl_getsiteinfo_cached($url, $no_guessing = false, $do_oembed = true)
+{
+ $siteinfo = ParseUrl::getSiteinfoCached($url, $no_guessing, $do_oembed);
+ return $siteinfo;
}
-?>
projects / friendica.git / blobdiff