<?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="<!-- oembed $embedurl -->";
- switch ($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'>$embedlink</a>";
- if (isset($j->author_name)) $ret.=" by ".$j->author_name;
- if (isset($j->provider_name)) $ret.=" on ".$j->provider_name;
- $ret.="<!-- /oembed $embedurl -->";
- return $ret;
+ $embedurl=$matches[1];
+ $j = oembed_fetch_url($embedurl);
+ return oembed_format_object($j);
}
-function oembed_bbcode($text){
+
+function oembed_fetch_url($embedurl){
+ $r = q("SELECT v FROM `cache` WHERE k='%s'",
+ dbesc($embedurl));
+
+ if(count($r)){
+ $txt = $r[0]['v'];
+ } else {
+ $txt = "";
+
+ // try oembed autodiscovery
+ $html_text = fetch_url($embedurl);
+ $dom = @DOMDocument::loadHTML($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;
+ $txt = fetch_url($href);
+ }
+ }
+
+ if ($txt==false || $txt==""){
+ // try oohembed service
+ $ourl = "http://oohembed.com/oohembed/?url=".urlencode($embedurl);
+ $txt = fetch_url($ourl);
+ }
+
+ $txt=trim($txt);
+ if ($txt[0]!="{") $txt='{"type":"error"}';
+
+ //save in cache
+ /*q("INSERT INTO `cache` VALUES ('%s','%s','%s')",
+ dbesc($embedurl),
+ dbesc($txt),
+ dbesc(datetime_convert()));*/
+ }
+
+ $j = json_decode($txt);
+ $j->embedurl = $embedurl;
+ return $j;
+}
+
+function oembed_format_object($j){
+ $embedurl = $j->embedurl;
+ $ret="<span class='oembed ".$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;*/
+ $tw=150; $th=120;
+ $ret.= "<a href='".$embedurl."' onclick='this.innerHTML=unescape(\"".urlencode($j->html)."\").replace(/\+/g,\" \"); return false;' style='float:left; margin: 1em; '>";
+ $ret.= "<img width='$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.="<br style='clear:left'></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);
+ 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;
+ }
+}
+
?>
\ No newline at end of file
projects / friendica.git / blobdiff