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-rwxr-xr-xinclude/oembed.php11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/oembed.php b/include/oembed.php
index 460e0244e..f662d84c7 100755
--- a/include/oembed.php
+++ b/include/oembed.php
@@ -225,6 +225,17 @@ function oembed_fetch_url($embedurl){
if($j['html']) {
$orig = $j['html'];
$allow_position = (($is_matrix) ? true : false);
+
+ // some sites wrap their entire embed in an iframe
+ // which we will purify away and which we provide anyway.
+ // So if we see this, grab the frame src url and use that
+ // as the embed content - which will still need to be purified.
+
+ if(preg_match('#<iframe(.*?)src=[\'\"](.?*)[\'\"]#',$matches,$j['html'])) {
+ $x = z_fetch_url($matches[2]);
+ $j['html'] = $x['body'];
+ }
+
$j['html'] = purify_html($j['html'],$allow_position);
if($j['html'] != $orig) {
logger('oembed html was purified. original: ' . $orig . ' purified: ' . $j['html'], LOGGER_DEBUG, LOG_INFO);