mirror of
https://github.com/YunoHost-Apps/hubzilla_ynh.git
synced 2024-09-03 19:26:21 +02:00
282 lines
8 KiB
PHP
Executable file
282 lines
8 KiB
PHP
Executable file
<?php /** @file */
|
|
function oembed_replacecb($matches){
|
|
|
|
$embedurl=$matches[1];
|
|
|
|
// implements a personal embed white/black list for logged in members
|
|
if(local_channel()) {
|
|
if(($x = get_pconfig(local_channel(),'system','embed_deny'))) {
|
|
$l = explode("\n",$x);
|
|
if($l) {
|
|
foreach($l as $ll) {
|
|
if(trim($ll) && strpos($embedurl,trim($ll)) !== false)
|
|
return '<a href="' . $embedurl . '">' . $embedurl . '</a>';
|
|
}
|
|
}
|
|
}
|
|
if(($x = get_pconfig(local_channel(),'system','embed_allow'))) {
|
|
$found = false;
|
|
$l = explode("\n",$x);
|
|
if($l) {
|
|
foreach($l as $ll) {
|
|
if(trim($ll) && strpos($embedurl,trim($ll)) !== false) {
|
|
$found = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if(! $found) {
|
|
return '<a href="' . $embedurl . '">' . $embedurl . '</a>';
|
|
}
|
|
}
|
|
}
|
|
|
|
$j = oembed_fetch_url($embedurl);
|
|
$s = oembed_format_object($j);
|
|
return $s;
|
|
}
|
|
|
|
|
|
// if the url is embeddable with oembed, return the bbcode link.
|
|
|
|
function oembed_process($url) {
|
|
$j = oembed_fetch_url($url);
|
|
logger('oembed_process: ' . print_r($j,true));
|
|
if($j && $j->type !== 'error')
|
|
return '[embed]' . $url . '[/embed]';
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
function oembed_fetch_url($embedurl){
|
|
|
|
$a = get_app();
|
|
|
|
$txt = Cache::get($a->videowidth . $embedurl);
|
|
|
|
if(strstr($txt,'youtu') && strstr(z_root(),'https:')) {
|
|
$txt = str_replace('http:','https:',$txt);
|
|
}
|
|
|
|
// These media files should now be caught in bbcode.php
|
|
// left here as a fallback in case this is called from another source
|
|
|
|
$noexts = array("mp3","mp4","ogg","ogv","oga","ogm","webm","opus");
|
|
$ext = pathinfo(strtolower($embedurl),PATHINFO_EXTENSION);
|
|
|
|
|
|
if(is_null($txt)){
|
|
$txt = "";
|
|
|
|
if (in_array($ext, $noexts)) {
|
|
require_once('include/hubloc.php');
|
|
$zrl = is_matrix_url($embedurl);
|
|
if($zrl)
|
|
$embedurl = zid($embedurl);
|
|
}
|
|
else {
|
|
// try oembed autodiscovery
|
|
$redirects = 0;
|
|
$result = z_fetch_url($embedurl, false, $redirects, array('timeout' => 15, 'accept_content' => "text/*", 'novalidate' => true ));
|
|
if($result['success'])
|
|
$html_text = $result['body'];
|
|
|
|
if($html_text){
|
|
$dom = @DOMDocument::loadHTML($html_text);
|
|
if ($dom){
|
|
$xpath = new DOMXPath($dom);
|
|
$attr = "oembed";
|
|
$xattr = oe_build_xpath("class","oembed");
|
|
|
|
$entries = $xpath->query("//link[@type='application/json+oembed']");
|
|
foreach($entries as $e){
|
|
$href = $e->getAttributeNode("href")->nodeValue;
|
|
$x = z_fetch_url($href . '&maxwidth=' . $a->videowidth);
|
|
$txt = $x['body'];
|
|
break;
|
|
}
|
|
// soundcloud is now using text/json+oembed instead of application/json+oembed,
|
|
// others may be also
|
|
$entries = $xpath->query("//link[@type='text/json+oembed']");
|
|
foreach($entries as $e){
|
|
$href = $e->getAttributeNode("href")->nodeValue;
|
|
$x = z_fetch_url($href . '&maxwidth=' . $a->videowidth);
|
|
$txt = $x['body'];
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($txt==false || $txt=="") {
|
|
$x = array('url' => $embedurl,'videowidth' => $a->videowidth);
|
|
call_hooks('oembed_probe',$x);
|
|
if(array_key_exists('embed',$x))
|
|
$txt = $x['embed'];
|
|
}
|
|
|
|
$txt=trim($txt);
|
|
if ($txt[0]!="{") $txt='{"type":"error"}';
|
|
|
|
//save in cache
|
|
Cache::set($a->videowidth . $embedurl,$txt);
|
|
|
|
}
|
|
|
|
|
|
$j = json_decode($txt);
|
|
$j->embedurl = $embedurl;
|
|
return $j;
|
|
}
|
|
|
|
function oembed_format_object($j){
|
|
$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 ($j->type) {
|
|
case "video": {
|
|
if (isset($j->thumbnail_url)) {
|
|
$tw = (isset($j->thumbnail_width)) ? $j->thumbnail_width:200;
|
|
$th = (isset($j->thumbnail_height)) ? $j->thumbnail_height:180;
|
|
$tr = $tw/$th;
|
|
|
|
$th=120; $tw = $th*$tr;
|
|
$tpl=get_markup_template('oembed_video.tpl');
|
|
if(strstr($embedurl,'youtu') && strstr(z_root(),'https:')) {
|
|
$embedurl = str_replace('http:','https:',$embedurl);
|
|
$j->thumbnail_url = str_replace('http:','https:', $j->thumbnail_url);
|
|
$jhtml = str_replace('http:','https:', $jhtml);
|
|
$j->html = str_replace('http:','https:', $j->html);
|
|
|
|
}
|
|
$ret.=replace_macros($tpl, array(
|
|
'$baseurl' => $a->get_baseurl(),
|
|
'$embedurl'=>$embedurl,
|
|
'$escapedhtml'=>base64_encode($jhtml),
|
|
'$tw'=>$tw,
|
|
'$th'=>$th,
|
|
'$turl'=>$j->thumbnail_url,
|
|
));
|
|
|
|
} else {
|
|
$ret=$jhtml;
|
|
}
|
|
$ret.="<br>";
|
|
}; break;
|
|
case "photo": {
|
|
$ret.= "<img width='".$j->width."' src='".$j->url."'>";
|
|
$ret.="<br>";
|
|
}; break;
|
|
case "link": {
|
|
if($j->thumbnail_url) {
|
|
if(is_matrix_url($embedurl)) {
|
|
$embedurl = zid($embedurl);
|
|
$j->thumbnail_url = zid($j->thumbnail_url);
|
|
}
|
|
$ret = '<a href="' . $embedurl . '" ><img src="' . $j->thumbnail_url . '" alt="thumbnail" /></a><br /><br />';
|
|
}
|
|
|
|
//$ret = "<a href='".$embedurl."'>".$j->title."</a>";
|
|
}; break;
|
|
case "rich": {
|
|
// not so safe..
|
|
$ret.= $jhtml;
|
|
}; break;
|
|
}
|
|
|
|
// add link to source if not present in "rich" type
|
|
if ( $j->type!='rich' || !strpos($j->html,$embedurl) ){
|
|
$embedlink = (isset($j->title))?$j->title:$embedurl;
|
|
$ret .= '<span class="bookmark-identifier">#^</span>' . "<a href='$embedurl' rel='oembed'>$embedlink</a>";
|
|
$ret .= "<br>";
|
|
if (isset($j->author_name)) $ret.=" by ".$j->author_name;
|
|
if (isset($j->provider_name)) $ret.=" on ".$j->provider_name;
|
|
} else {
|
|
// add <a> for html2bbcode conversion
|
|
$ret .= "<a href='$embedurl' rel='oembed'/>";
|
|
}
|
|
$ret.="<br style='clear:left'></span>";
|
|
return mb_convert_encoding($ret, 'HTML-ENTITIES', mb_detect_encoding($ret));
|
|
}
|
|
|
|
function oembed_iframe($src,$width,$height) {
|
|
if(! $width || strstr($width,'%'))
|
|
$width = '640';
|
|
if(! $height || strstr($height,'%'))
|
|
$height = '300';
|
|
// try and leave some room for the description line.
|
|
$height = intval($height) + 80;
|
|
$width = intval($width) + 40;
|
|
|
|
$s = z_root() . '/oembed/' . base64url_encode($src);
|
|
|
|
// Make sure any children are sandboxed within their own iframe.
|
|
|
|
return '<iframe height="' . $height . '" width="' . $width . '" src="' . $s . '" frameborder="no" >'
|
|
. t('Embedded content') . '</iframe>';
|
|
|
|
}
|
|
|
|
|
|
|
|
function oembed_bbcode2html($text){
|
|
$stopoembed = get_config("system","no_oembed");
|
|
if ($stopoembed == true){
|
|
return preg_replace("/\[embed\](.+?)\[\/embed\]/is", "<!-- oembed $1 --><i>". t('Embedding disabled') ." : $1</i><!-- /oembed $1 -->" ,$text);
|
|
}
|
|
return preg_replace_callback("/\[embed\](.+?)\[\/embed\]/is", 'oembed_replacecb' ,$text);
|
|
}
|
|
|
|
|
|
function oe_build_xpath($attr, $value){
|
|
// http://westhoffswelt.de/blog/0036_xpath_to_select_html_by_class.html
|
|
return "contains( normalize-space( @$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 $innerHTML;
|
|
}
|
|
|
|
/**
|
|
* Find <span class='oembed'>..<a href='url' rel='oembed'>..</a></span>
|
|
* and replace it with [embed]url[/embed]
|
|
*/
|
|
function oembed_html2bbcode($text) {
|
|
// start parser only if 'oembed' is in text
|
|
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)
|
|
return $text;
|
|
$xpath = new DOMXPath($dom);
|
|
$attr = "oembed";
|
|
|
|
$xattr = oe_build_xpath("class","oembed");
|
|
$entries = $xpath->query("//span[$xattr]");
|
|
|
|
$xattr = "@rel='oembed'";//oe_build_xpath("rel","oembed");
|
|
foreach($entries as $e) {
|
|
$href = $xpath->evaluate("a[$xattr]/@href", $e)->item(0)->nodeValue;
|
|
if(!is_null($href)) $e->parentNode->replaceChild(new DOMText("[embed]".$href."[/embed]"), $e);
|
|
}
|
|
return oe_get_inner_html( $dom->getElementsByTagName("body")->item(0) );
|
|
} else {
|
|
return $text;
|
|
}
|
|
}
|
|
|
|
|
|
|