<?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
*/
use \Friendica\ParseUrl;
require_once("include/items.php");
function parse_url_content(&$a) {
$text = null;
$str_tags = "";
$textmode = false;
if (local_user() && (!feature_enabled(local_user(), "richtext"))) {
$textmode = true;
}
$br = (($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"]) {
$arr_tags = ParseUrl::convertTagsToArray($_GET["tags"]);
if (count($arr_tags)) {
$str_tags = $br . implode(" ", $arr_tags) . $br;
}
}
// 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;
}
}
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]" . $br;
killme();
}
if (stripos($type, "video/") !== false) {
echo $br . "[video]" . $url . "[/video]" . $br;
killme();
}
if (stripos($type, "audio/") !== false) {
echo $br . "[audio]" . $url . "[/audio]" . $br;
killme();
}
}
}
if ($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"])) {
echo $arr["text"];
killme();
}
if ($url && $title && $text) {
$title = str_replace(array("\r","\n"),array("",""),$title);
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);
echo $result;
killme();
}
// 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) {
// Replace ' with ’ - not perfect - but the richtext editor has problems otherwise
$info = str_replace(array("'"), array("’"), $info);
}
echo $info;
killme();
}