<?php function oembed_replacecb($matches){ $embedurl=$matches[1]; $r = q("SELECT v FROM `cache` WHERE k='%s'", dbesc($embedurl)); if(count($r)){ $txt = $r[0]['v']; } else { $ourl = "http://oohembed.com/oohembed/?url=".urlencode($embedurl); $txt = fetch_url($ourl); //save in cache q("INSERT INTO `cache` VALUES ('%s','%s','%s')", dbesc($embedurl), dbesc($txt), dbesc(datetime_convert())); } $j = json_decode($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) { // 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]"); $xattr = oe_build_xpath("rel","oembed"); foreach($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; } } ?>