]> git.mxchange.org Git - friendica.git/commitdiff
parse_url: recognize image/video/audio files + move functions into own class
authorrabuzarus <rabuzarus@t-online.de>
Thu, 24 Nov 2016 00:11:22 +0000 (01:11 +0100)
committerrabuzarus <rabuzarus@t-online.de>
Thu, 24 Nov 2016 00:11:22 +0000 (01:11 +0100)
include/ParseUrl.php [new file with mode: 0644]
include/items.php
include/oembed.php
include/plaintext.php
mod/parse_url.php

diff --git a/include/ParseUrl.php b/include/ParseUrl.php
new file mode 100644 (file)
index 0000000..8a3392e
--- /dev/null
@@ -0,0 +1,482 @@
+<?php
+
+/**
+ * @file include/ParseUrl.php
+ * @brief Get informations about a given URL
+ */
+
+namespace Friendica;
+
+use \Friendica\Core\Config;
+
+require_once("include/network.php");
+require_once("include/Photo.php");
+require_once("include/oembed.php");
+
+/**
+ * @brief Class with methods for extracting certain content from an url
+ */
+class ParseUrl {
+
+       public static function getSiteinfoCached($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));
+
+               if ($r) {
+                       $data = $r[0]["content"];
+               }
+
+               if (!is_null($data)) {
+                       $data = unserialize($data);
+                       return $data;
+               }
+
+               $data = self::getSiteinfo($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 $data;
+       }
+
+       public static function getSiteinfo($url, $no_guessing = false, $do_oembed = true, $count = 1) {
+
+               $a = get_app();
+
+               $siteinfo = array();
+
+               // Check if the URL does contain a scheme
+               $scheme = parse_url($url, PHP_URL_SCHEME);
+
+               if ($scheme == "") {
+                       $url = "http://".trim($url, "/");
+               }
+
+               if ($count > 10) {
+                       logger("parseurl_getsiteinfo: Endless loop detected for ".$url, LOGGER_DEBUG);
+                       return($siteinfo);
+               }
+
+               $url = trim($url, "'");
+               $url = trim($url, '"');
+
+               $url = original_url($url);
+
+               $siteinfo["url"] = $url;
+               $siteinfo["type"] = "link";
+
+               $check_cert = Config::get("system", "verifyssl");
+
+               $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_USERAGENT, $a->get_useragent());
+               curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
+               curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, (($check_cert) ? 2 : false));
+
+               $header = curl_exec($ch);
+               $curl_info = @curl_getinfo($ch);
+               $http_code = $curl_info["http_code"];
+               curl_close($ch);
+
+               $a->save_timestamp($stamp1, "network");
+
+               if ((($curl_info["http_code"] == "301") || ($curl_info["http_code"] == "302") || ($curl_info["http_code"] == "303") || ($curl_info["http_code"] == "307"))
+                       && (($curl_info["redirect_url"] != "") || ($curl_info["location"] != ""))) {
+                       if ($curl_info["redirect_url"] != "") {
+                               $siteinfo = self::getSiteinfo($curl_info["redirect_url"], $no_guessing, $do_oembed, ++$count);
+                       } else {
+                               $siteinfo = self::getSiteinfo($curl_info["location"], $no_guessing, $do_oembed, ++$count);
+                       }
+                       return($siteinfo);
+               }
+
+               // If the file is too large then exit
+               if ($curl_info["download_content_length"] > 1000000) {
+                       return($siteinfo);
+               }
+
+               // If it isn't a HTML file then exit
+               if (($curl_info["content_type"] != "") && !strstr(strtolower($curl_info["content_type"]), "html")) {
+                       return($siteinfo);
+               }
+
+               if ($do_oembed) {
+
+                       $oembed_data = oembed_fetch_url($url);
+
+                       if (!in_array($oembed_data->type, array("error", "rich"))) {
+                               $siteinfo["type"] = $oembed_data->type;
+                       }
+
+                       if (($oembed_data->type == "link") && ($siteinfo["type"] != "photo")) {
+                               if (isset($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;
+                               }
+                       }
+               }
+
+               $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, $a->get_useragent());
+               curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
+               curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, (($check_cert) ? 2 : false));
+
+               $header = curl_exec($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 != "") && (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);
+               }
+
+               $body = mb_convert_encoding($body, 'HTML-ENTITIES', "UTF-8");
+
+               $doc = new \DOMDocument();
+               @$doc->loadHTML($body);
+
+               self::deleteNode($doc, "style");
+               self::deleteNode($doc, "script");
+               self::deleteNode($doc, "option");
+               self::deleteNode($doc, "h1");
+               self::deleteNode($doc, "h2");
+               self::deleteNode($doc, "h3");
+               self::deleteNode($doc, "h4");
+               self::deleteNode($doc, "h5");
+               self::deleteNode($doc, "h6");
+               self::deleteNode($doc, "ol");
+               self::deleteNode($doc, "ul");
+
+               $xpath = new \DomXPath($doc);
+
+               $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 != "") {
+                                       $siteinfo = self::getSiteinfo($content, $no_guessing, $do_oembed, ++$count);
+                                       return($siteinfo);
+                               }
+                       }
+               }
+
+               $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"] == "") || ($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(",", $attr["content"]);
+                                               break;
+                               }
+                       }
+                       if ($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"] = $attr["content"];
+                                               break;
+                               }
+                       }
+               }
+
+               if ((@$siteinfo["image"] == "") && !$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;
+                                       }
+                               }
+
+                               $src = self::completeUrl($attr["src"], $url);
+                               $photodata = get_photo_info($src);
+
+                               if (($photodata) && ($photodata[0] > 150) && ($photodata[1] > 150)) {
+                                       if ($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" => $photodata[1]);
+                               }
+
+                               }
+               } elseif ($siteinfo["image"] != "") {
+                       $src = self::completeUrl($siteinfo["image"], $url);
+
+                       unset($siteinfo["image"]);
+
+                       $photodata = get_photo_info($src);
+
+                       if (($photodata) && ($photodata[0] > 10) && ($photodata[1] > 10)) {
+                               $siteinfo["images"][] = array("src" => $src,
+                                                               "width" => $photodata[0],
+                                                               "height" => $photodata[1]);
+                       }
+               }
+
+               if ((@$siteinfo["text"] == "") && (@$siteinfo["title"] != "") && !$no_guessing) {
+                       $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));
+                               }
+
+                               $siteinfo["text"] = trim(html_entity_decode(substr($text, 0, 350), ENT_QUOTES, "UTF-8").'...');
+                       }
+               }
+
+               logger("parseurl_getsiteinfo: Siteinfo for ".$url." ".print_r($siteinfo, true), LOGGER_DEBUG);
+
+               call_hooks("getsiteinfo", $siteinfo);
+
+               return($siteinfo);
+       }
+
+       /**
+        * @brief Convert tags from CSV to an array
+        * 
+        * @param string $string Tags
+        * @return array with formatted Hashtags
+        */
+       public static function convertTagsToArray($string) {
+               $arr_tags = str_getcsv($string);
+               if (count($arr_tags)) {
+                       // add the # sign to every tag
+                       array_walk($arr_tags, array("self", "arrAddHashes"));
+
+                       return $arr_tags;
+               }
+       }
+
+       /**
+        * @brief Add a hasht sign to a string
+        * 
+        *  This method is used as callback function
+        * 
+        * @param string $tag The pure tag name
+        * @param int $k Counter for internal use
+        */
+       private static function arrAddHashes(&$tag, $k) {
+               $tag = "#" . $tag;
+       }
+
+       private static function deleteNode(&$doc, $node) {
+               $xpath = new \DomXPath($doc);
+               $list = $xpath->query("//".$node);
+               foreach ($list as $child) {
+                       $child->parentNode->removeChild($child);
+               }
+       }
+
+       private 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);
+       }
+}
index 9b199aed3ba931956b2556ce89aca5ba77094c02..e9354b62d3eda2906753cb6641259640294ba856 100644 (file)
@@ -1,5 +1,11 @@
 <?php
 
+/**
+ * @file include/items.php
+ */
+
+use \Friendica\ParseUrl;
+
 require_once('include/bbcode.php');
 require_once('include/oembed.php');
 require_once('include/salmon.php');
@@ -216,9 +222,8 @@ function add_page_info_data($data) {
 }
 
 function query_page_info($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
-       require_once("mod/parse_url.php");
 
-       $data = parseurl_getsiteinfo_cached($url, true);
+       $data = ParseUrl::getSiteinfoCached($url, true);
 
        if ($photo != "")
                $data["images"][0]["src"] = $photo;
index be6c298e8d5ff0f5f89ccc1e15afc2395ca3366c..a3d2deaca00fead83b14b1fec50605179b040e2f 100755 (executable)
@@ -1,8 +1,17 @@
 <?php
+
+/**
+ * @file include/oembed.php
+ */
+
+use \Friendica\ParseUrl;
+use \Friendica\Core\Config;
+
 function oembed_replacecb($matches){
        $embedurl=$matches[1];
        $j = oembed_fetch_url($embedurl);
        $s =  oembed_format_object($j);
+
        return $s;
 }
 
@@ -66,7 +75,7 @@ function oembed_fetch_url($embedurl, $no_rich_type = false){
                }
 
                if ($txt==false || $txt=="") {
-                       $embedly = get_config("system", "embedly");
+                       $embedly = Config::get("system", "embedly");
                        if ($embedly != "") {
                                // try embedly service
                                $ourl = "https://api.embed.ly/1/oembed?key=".$embedly."&url=".urlencode($embedurl);
@@ -110,8 +119,7 @@ function oembed_fetch_url($embedurl, $no_rich_type = false){
 
        // If fetching information doesn't work, then improve via internal functions
        if (($j->type == "error") OR ($no_rich_type AND ($j->type == "rich"))) {
-               require_once("mod/parse_url.php");
-               $data = parseurl_getsiteinfo_cached($embedurl, true, false);
+               $data = ParseUrl::getSiteinfoCached($embedurl, true, false);
                $j->type = $data["type"];
 
                if ($j->type == "photo") {
@@ -143,12 +151,11 @@ function oembed_fetch_url($embedurl, $no_rich_type = false){
 function oembed_format_object($j){
        require_once("mod/proxy.php");
 
-       $a = get_app();
        $embedurl = $j->embedurl;
        $jhtml = oembed_iframe($j->embedurl,(isset($j->width) ? $j->width : null), (isset($j->height) ? $j->height : null) );
        $ret="<span class='oembed ".$j->type."'>";
        switch ($j->type) {
-               case "video": {
+               case "video":
                        if (isset($j->thumbnail_url)) {
                                $tw = (isset($j->thumbnail_width) && intval($j->thumbnail_width)) ? $j->thumbnail_width:200;
                                $th = (isset($j->thumbnail_height) && intval($j->thumbnail_height)) ? $j->thumbnail_height:180;
@@ -158,7 +165,7 @@ function oembed_format_object($j){
                                $th=120; $tw = $th*$tr;
                                $tpl=get_markup_template('oembed_video.tpl');
                                $ret.=replace_macros($tpl, array(
-                               '$baseurl' => $a->get_baseurl(),
+                                       '$baseurl' => App::get_baseurl(),
                                        '$embedurl'=>$embedurl,
                                        '$escapedhtml'=>base64_encode($jhtml),
                                        '$tw'=>$tw,
@@ -170,43 +177,49 @@ function oembed_format_object($j){
                                $ret=$jhtml;
                        }
                        //$ret.="<br>";
-               }; break;
-               case "photo": {
+                       break;
+               case "photo":
                        $ret.= "<img width='".$j->width."' src='".proxy_url($j->url)."'>";
-               }; break;
-               case "link": {
-               }; break;
-               case "rich": {
+                       break;
+               case "link":
+                       break;
+               case "rich":
                        // not so safe..
-                       if (!get_config("system","no_oembed_rich_content"))
+                       if (!Config::get("system","no_oembed_rich_content")) {
                                $ret.= proxy_parse_html($jhtml);
-               }; break;
+                       }
+                       break;
        }
 
        // add link to source if not present in "rich" type
        if ($j->type!='rich' || !strpos($j->html,$embedurl) ){
                $ret .= "<h4>";
                if (isset($j->title)) {
-                       if (isset($j->provider_name))
+                       if (isset($j->provider_name)) {
                                $ret .= $j->provider_name.": ";
+                       }
 
                        $embedlink = (isset($j->title))?$j->title:$embedurl;
                        $ret .= "<a href='$embedurl' rel='oembed'>$embedlink</a>";
-                       if (isset($j->author_name))
+                       if (isset($j->author_name)) {
                                $ret.=" (".$j->author_name.")";
+                       }
                } elseif (isset($j->provider_name) OR isset($j->author_name)) {
                        $embedlink = "";
-                       if (isset($j->provider_name))
+                       if (isset($j->provider_name)) {
                                $embedlink .= $j->provider_name;
+                       }
 
                        if (isset($j->author_name)) {
-                               if ($embedlink != "")
+                               if ($embedlink != "") {
                                        $embedlink .= ": ";
+                               }
 
                                $embedlink .= $j->author_name;
                        }
-                       if (trim($embedlink) == "")
+                       if (trim($embedlink) == "") {
                                $embedlink = $embedurl;
+                       }
 
                        $ret .= "<a href='$embedurl' rel='oembed'>$embedlink</a>";
                }
@@ -247,15 +260,14 @@ function oembed_iframe($src, $width, $height) {
        }
        $width = '100%';
 
-       $a = get_app();
-       $s = $a->get_baseurl() . '/oembed/'.base64url_encode($src);
+       $s = App::get_baseurl() . '/oembed/'.base64url_encode($src);
        return '<iframe onload="resizeIframe(this);" class="embed_rich" height="' . $height . '" width="' . $width . '" src="' . $s . '" scrolling="no" frameborder="no">' . t('Embedded content') . '</iframe>';
 }
 
 
 
 function oembed_bbcode2html($text){
-       $stopoembed = get_config("system","no_oembed");
+       $stopoembed = Config::get("system","no_oembed");
        if ($stopoembed == true){
                return preg_replace("/\[embed\](.+?)\[\/embed\]/is", "<!-- oembed $1 --><i>". t('Embedding disabled') ." : $1</i><!-- /oembed $1 -->" ,$text);
        }
@@ -268,13 +280,13 @@ function oe_build_xpath($attr, $value){
        return "contains( normalize-space( @$attr ), ' $value ' ) or substring( normalize-space( @$attr ), 1, string-length( '$value' ) + 1 ) = '$value ' or substring( normalize-space( @$attr ), string-length( @$attr ) - string-length( '$value' ) ) = ' $value' or @$attr = '$value'";
 }
 
-function oe_get_inner_html( $node ) {
-    $innerHTML= '';
-    $children = $node->childNodes;
-    foreach ($children as $child) {
-        $innerHTML .= $child->ownerDocument->saveXML( $child );
-    }
-    return $innerHTML;
+function oe_get_inner_html($node) {
+       $innerHTML= '';
+       $children = $node->childNodes;
+       foreach ($children as $child) {
+               $innerHTML .= $child->ownerDocument->saveXML($child);
+       }
+       return $innerHTML;
 }
 
 /**
@@ -283,15 +295,16 @@ function oe_get_inner_html( $node ) {
  */
 function oembed_html2bbcode($text) {
        // start parser only if 'oembed' is in text
-       if (strpos($text, "oembed")){
+       if (strpos($text, "oembed")) {
 
                // convert non ascii chars to html entities
                $html_text = mb_convert_encoding($text, 'HTML-ENTITIES', mb_detect_encoding($text));
 
                // If it doesn't parse at all, just return the text.
                $dom = @DOMDocument::loadHTML($html_text);
-               if(! $dom)
+               if (! $dom) {
                        return $text;
+               }
                $xpath = new DOMXPath($dom);
                $attr = "oembed";
 
index 539ef020df8571a7e49a8ec0b48b19a311bf061c..d98d736550469225f226b6fbc7341065b9b43fef 100644 (file)
@@ -1,6 +1,15 @@
 <?php
 
+/**
+ * @file include/plaintext.php
+ */
+
+use \Friendica\ParseUrl;
+
 require_once("include/Photo.php");
+require_once("include/bbcode.php");
+require_once("include/html2plain.php");
+require_once("include/network.php");
 
 /**
  * @brief Fetches attachment data that were generated the old way
@@ -181,20 +190,17 @@ function get_attached_data($body) {
 
        // if nothing is found, it maybe having an image.
        if (!isset($post["type"])) {
-               require_once("mod/parse_url.php");
-               require_once("include/Photo.php");
-
                $URLSearchString = "^\[\]";
                if (preg_match_all("(\[url=([$URLSearchString]*)\]\s*\[img\]([$URLSearchString]*)\[\/img\]\s*\[\/url\])ism", $body, $pictures,  PREG_SET_ORDER)) {
                        if (count($pictures) == 1) {
                                // Checking, if the link goes to a picture
-                               $data = parseurl_getsiteinfo_cached($pictures[0][1], true);
+                               $data = ParseUrl::getSiteinfoCached($pictures[0][1], true);
 
                                // Workaround:
                                // Sometimes photo posts to the own album are not detected at the start.
                                // So we seem to cannot use the cache for these cases. That's strange.
                                if (($data["type"] != "photo") AND strstr($pictures[0][1], "/photos/"))
-                                       $data = parseurl_getsiteinfo($pictures[0][1], true);
+                                       $data = ParseUrl::getSiteinfo($pictures[0][1], true);
 
                                if ($data["type"] == "photo") {
                                        $post["type"] = "photo";
@@ -246,8 +252,7 @@ function get_attached_data($body) {
                        $post["text"] = trim($body);
                }
        } elseif (isset($post["url"]) AND ($post["type"] == "video")) {
-               require_once("mod/parse_url.php");
-               $data = parseurl_getsiteinfo_cached($post["url"], true);
+               $data = ParseUrl::getSiteinfoCached($post["url"], true);
 
                if (isset($data["images"][0]))
                        $post["image"] = $data["images"][0]["src"];
@@ -288,9 +293,6 @@ function shortenmsg($msg, $limit, $twitter = false) {
  * @return string The converted message
  */
 function plaintext($a, $b, $limit = 0, $includedlinks = false, $htmlmode = 2, $target_network = "") {
-       require_once("include/bbcode.php");
-       require_once("include/html2plain.php");
-       require_once("include/network.php");
 
        // Remove the hash tags
        $URLSearchString = "^\[\]";
index 23075ad775e64a6bc73b7c47a3b4f3726fff45b2..a6b7cd5024c9aa929120ebb7b87b03901297f848 100644 (file)
  * @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 .= '/';
+use \Friendica\ParseUrl;
 
-       $complete .= $urlarr["path"];
+require_once("include/items.php");
 
-       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;
+function parse_url_content(&$a) {
 
-       $r = q("SELECT * FROM `parsed_url` WHERE `url` = '%s' AND `guessing` = %d AND `oembed` = %d",
-               dbesc(normalise_link($url)), intval(!$no_guessing), intval($do_oembed));
+       $text = null;
+       $str_tags = "";
 
-       if ($r)
-               $data = $r[0]["content"];
+       $textmode = false;
 
-       if (!is_null($data)) {
-               $data = unserialize($data);
-               return $data;
+       if (local_user() && (!feature_enabled(local_user(), "richtext"))) {
+               $textmode = true;
        }
 
-       $data = parseurl_getsiteinfo($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();
+       $br = (($textmode) ? "\n" : "<br />");
 
-       // Check if the URL does contain a scheme
-       $scheme = parse_url($url, PHP_URL_SCHEME);
-
-       if ($scheme == "") {
-               $url = "http://".trim($url, "/");
+       if (x($_GET,"binurl")) {
+               $url = trim(hex2bin($_GET["binurl"]));
+       } else {
+               $url = trim($_GET["url"]);
        }
 
-       if ($count > 10) {
-               logger("parseurl_getsiteinfo: Endless loop detected for ".$url, LOGGER_DEBUG);
-               return($siteinfo);
+       if ($_GET["title"]) {
+               $title = strip_tags(trim($_GET["title"]));
        }
 
-       $url = trim($url, "'");
-       $url = trim($url, '"');
-
-       $url = original_url($url);
-
-       $siteinfo["url"] = $url;
-       $siteinfo["type"] = "link";
-
-       $check_cert = get_config('system','verifyssl');
-
-       $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_USERAGENT, $a->get_useragent());
-       curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
-       curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, (($check_cert) ? 2 : false));
-
-       $header = curl_exec($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($siteinfo);
+       if ($_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 (!in_array($oembed_data->type, array("error", "rich"))) {
-                       $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"] = $oembed_data->thumbnail_url;
+       if ($_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, $a->get_useragent());
-       curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
-       curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, (($check_cert) ? 2 : false));
-
-       $header = curl_exec($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);
-       }
-
-       $body = mb_convert_encoding($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 = $xpath->query("//meta[@content]");
-       foreach ($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);
-                       }
+       // Add url scheme if it is missing
+       $arrurl = parse_url($url);
+       if (!x($arrurl, "scheme")) {
+               if (x($arrurl, "host")) {
+                       $url = "http:".$url;
+               } else {
+                       $url = "http://".$url;
                }
        }
 
-       $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;
+       logger("prse_url: " . $url);
+
+       // If the URL is a image, video or audio file format the URL with the corresponding
+       // BBCode media tag
+       $redirects = 0;
+       // Fetch the header of the URL
+       $result = z_fetch_url($url, false, $redirects, array("novalidate" => true, "nobody" => true));
+       if($result["success"]) {
+               // Convert the header fields into an array
+               $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) {
+                       if(stripos($type, "image/") !== false) {
+                               echo $br . "[img]" . $url . "[/img]" . $br;
+                               killme();
                        }
-               if ($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]" . $br;
+                               killme();
                        }
-       }
-
-       if ((@$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]" . $br;
+                               killme();
                        }
-
                }
-    } elseif ($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);
-
-               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));
-
-                       $siteinfo["text"] = trim(html_entity_decode(substr($text,0,350), ENT_QUOTES, "UTF-8").'...');
-               }
-       }
-
-       logger("parseurl_getsiteinfo: Siteinfo for ".$url." ".print_r($siteinfo, true), LOGGER_DEBUG);
-
-       call_hooks('getsiteinfo', $siteinfo);
-
-       return($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)
-               $template = '[bookmark=%s]%s[/bookmark]%s';
-       else
+       if ($textmode) {
+               $template = "[bookmark=%s]%s[/bookmark]%s";
+       } else {
                $template = "<a class=\"bookmark\" href=\"%s\" >%s</a>%s";
+       }
 
-       $arr = array('url' => $url, 'text' => '');
+       $arr = array("url" => $url, "text" => "");
 
-       call_hooks('parse_link', $arr);
+       call_hooks("parse_link", $arr);
 
-       if(strlen($arr['text'])) {
-               echo $arr['text'];
+       if (strlen($arr["text"])) {
+               echo $arr["text"];
                killme();
        }
 
 
-       if($url && $title && $text) {
+       if ($url && $title && $text) {
 
-               $title = str_replace(array("\r","\n"),array('',''),$title);
+               $title = str_replace(array("\r","\n"),array("",""),$title);
 
-               if($textmode)
-                       $text = '[quote]' . trim($text) . '[/quote]' . $br;
-               else {
-                       $text = '<blockquote>' . htmlspecialchars(trim($text)) . '</blockquote><br />';
+               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;
+               $result = sprintf($template, $url, ($title) ? $title : $url, $text) . $str_tags;
 
-               logger('parse_url (unparsed): returns: ' . $result);
+               logger("parse_url (unparsed): returns: " . $result);
 
                echo $result;
                killme();
        }
 
-       $siteinfo = parseurl_getsiteinfo($url);
+       // Fetch the information from the webpage
+       $siteinfo = ParseUrl::getSiteinfo($url);
 
        unset($siteinfo["keywords"]);
 
+       // Format it as BBCode attachment
        $info = add_page_info_data($siteinfo);
 
-       if (!$textmode)
+       if (!$textmode) {
                // Replace ' with ’ - not perfect - but the richtext editor has problems otherwise
                $info = str_replace(array("&#039;"), array("&#8217;"), $info);
+       }
 
        echo $info;
 
        killme();
 }
-?>