aboutsummaryrefslogtreecommitdiffstats
path: root/include/oembed.php
diff options
context:
space:
mode:
Diffstat (limited to 'include/oembed.php')
-rw-r--r--include/oembed.php97
1 files changed, 97 insertions, 0 deletions
diff --git a/include/oembed.php b/include/oembed.php
new file mode 100644
index 000000000..37923a877
--- /dev/null
+++ b/include/oembed.php
@@ -0,0 +1,97 @@
+<?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) {
+ $dom = DOMDocument::loadHTML($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) );
+}
+
+?> \ No newline at end of file