Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 

85 lines
3.0 KiB

<?php
function oembed_replacecb($matches){
$embedurl=$matches[1];
$ourl = "http://oohembed.com/oohembed/?url=".urlencode($embedurl);
$txt = fetch_url($ourl);
$j = json_decode($txt);
$ret="<span class='oembed'>";
switch ($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;
$ret = "<a href='".$embedurl."' onclick='this.innerHTML=unescape(\"".urlencode($j->html)."\").replace(/\+/g,\" \"); return false;' >";
$ret.= "<img width='$tw' height='$th' src='".$j->thumbnail_url."'>";
$ret.= "</a>";
} else {
$ret=$j->html;
}
$ret.="<br>";
}; break;
case "photo": {
$ret = "<img width='".$j->width."' height='".$j->height."' src='".$j->url."'>";
$ret.="<br>";
}; break;
case "link": {
//$ret = "<a href='".$embedurl."'>".$j->title."</a>";
}; break;
case "rich": {
// not so safe..
$ret = "<blockquote>".$j->html."</blockquote>";
}; break;
}
$embedlink = (isset($j->title))?$j->title:$embedurl;
$ret .= "<a href='$embedurl' rel='oembed'>$embedlink</a>";
if (isset($j->author_name)) $ret.=" by ".$j->author_name;
if (isset($j->provider_name)) $ret.=" on ".$j->provider_name;
$ret.="</span>";
return $ret;
}
function oembed_bbcode2html($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) {
$dom = DOMDocument::loadHTML($text);
$xpath = new DOMXPath($dom);
$attr = "oembed";
$xattr = oe_build_xpath("class","oembed");
$entries = $xpath->query("//span[$xattr]");
$xattr = oe_build_xpath("rel","oembed");
foreach($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) );
}
?>