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This commit is contained in:
Hilmar R
2021-02-28 21:06:16 +01:00
parent ea3390d626
commit c26dede97f
1194 changed files with 125734 additions and 71788 deletions
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81
include/oembed.php Executable file → Normal file
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@@ -14,7 +14,7 @@ function oembed_replacecb($matches){
$j = oembed_fetch_url($result['url']);
$s = oembed_format_object($j);
return $s;
return $s;
}
@@ -52,7 +52,7 @@ function oembed_action($embedurl) {
}
}
}
$found = false;
if(($x = get_config('system','embed_allow'))) {
@@ -74,7 +74,7 @@ function oembed_action($embedurl) {
}
// allow individual members to block something that wasn't blocked already.
// They cannot over-ride the site to allow or change the filtering on an
// They cannot over-ride the site to allow or change the filtering on an
// embed that is not allowed by the site admin.
if(local_channel()) {
@@ -96,7 +96,7 @@ function oembed_action($embedurl) {
$arr = array('url' => $embedurl, 'action' => $action);
call_hooks('oembed_action',$arr);
logger('action: ' . $arr['action'] . ' url: ' . $arr['url'], LOGGER_DEBUG,LOG_DEBUG);
logger('action: ' . $arr['action'] . ' url: ' . $arr['url'], LOGGER_DEBUG,LOG_DEBUG);
return $arr;
@@ -122,7 +122,7 @@ function oembed_fetch_url($embedurl){
$noexts = [ '.mp3', '.mp4', '.ogg', '.ogv', '.oga', '.ogm', '.webm', '.opus', '.m4a' ];
$result = oembed_action($embedurl);
$result = oembed_action($embedurl);
$embedurl = $result['url'];
$action = $result['action'];
@@ -153,7 +153,7 @@ function oembed_fetch_url($embedurl){
'title' => t('View PDF'),
'type' => 'pdf'
];
// set $txt to something so that we don't attempt to fetch what could be a lengthy pdf.
$txt = EMPTY_STR;
}
@@ -165,12 +165,12 @@ function oembed_fetch_url($embedurl){
if ($action !== 'block') {
// try oembed autodiscovery
$redirects = 0;
$result = z_fetch_url($furl, false, $redirects,
$result = z_fetch_url($furl, false, $redirects,
[
'timeout' => 30,
'accept_content' => "text/*",
'novalidate' => true,
'session' => ((local_channel() && $zrl) ? true : false)
'timeout' => 30,
'accept_content' => "text/*",
'novalidate' => true,
'session' => ((local_channel() && $zrl) ? true : false)
]
);
@@ -180,7 +180,8 @@ function oembed_fetch_url($embedurl){
logger('fetch failure: ' . $furl);
if($html_text) {
$dom = @DOMDocument::loadHTML($html_text);
$dom = new DOMDocument;
@$dom->loadHTML($html_text);
if ($dom){
$xpath = new DOMXPath($dom);
$attr = "oembed";
@@ -189,6 +190,13 @@ function oembed_fetch_url($embedurl){
$entries = $xpath->query("//link[@type='application/json+oembed']");
foreach($entries as $e){
$href = $e->getAttributeNode("href")->nodeValue;
// Youtube will happily hand us an http oembed URL even if we specify an https link; and the returned http link will fail with a 40x if you try and fetch it
// This is not our bug, but good luck getting google to fix it.
//if (strpos($href,'http:') === 0 && strpos($href,'youtu') !== false) {
// $href = str_replace('http:','https:', $href);
//}
$x = z_fetch_url($href . '&maxwidth=' . App::$videowidth);
if($x['success'])
$txt = $x['body'];
@@ -196,7 +204,7 @@ function oembed_fetch_url($embedurl){
logger('fetch failed: ' . $href);
break;
}
// soundcloud is now using text/json+oembed instead of application/json+oembed,
// soundcloud is now using text/json+oembed instead of application/json+oembed,
// others may be also
$entries = $xpath->query("//link[@type='text/json+oembed']");
foreach($entries as $e){
@@ -211,18 +219,18 @@ function oembed_fetch_url($embedurl){
}
}
}
if ($txt==false || $txt=="") {
$x = array('url' => $embedurl,'videowidth' => App::$videowidth);
call_hooks('oembed_probe',$x);
if(array_key_exists('embed',$x))
$txt = $x['embed'];
}
$txt=trim($txt);
if ($txt[0]!="{") $txt='{"type":"error"}';
// save in cache
if(! get_config('system','oembed_cache_disable'))
@@ -245,7 +253,7 @@ function oembed_fetch_url($embedurl){
// 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
// 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\=[\'\"](.*?)[\'\"]#',$j['html'],$matches)) {
@@ -254,16 +262,16 @@ function oembed_fetch_url($embedurl){
}
logger('frame src: ' . $j['html'], LOGGER_DATA);
$j['html'] = purify_html($j['html'],$allow_position);
if($j['html'] != $orig) {
logger('oembed html was purified. original: ' . $orig . ' purified: ' . $j['html'], LOGGER_DEBUG, LOG_INFO);
logger('oembed html was purified. original: ' . $orig . ' purified: ' . $j['html'], LOGGER_DEBUG, LOG_INFO);
}
$orig_len = mb_strlen(preg_replace('/\s+/','',$orig));
$new_len = mb_strlen(preg_replace('/\s+/','',$j['html']));
if(stripos($orig,'<script') || (! $new_len))
if(stripos($orig,'<script') || (! $new_len))
$j['type'] = 'error';
elseif($orig_len) {
$ratio = $new_len / $orig_len;
@@ -285,7 +293,7 @@ function oembed_fetch_url($embedurl){
}
function oembed_format_object($j){
$embedurl = $j['embedurl'];
@@ -301,7 +309,7 @@ function oembed_format_object($j){
$tw = (isset($j['thumbnail_width'])) ? $j['thumbnail_width'] : 200;
$th = (isset($j['thumbnail_height'])) ? $j['thumbnail_height'] : 180;
$tr = $tw/$th;
$th=120; $tw = $th*$tr;
$tpl=get_markup_template('oembed_video.tpl');
@@ -313,7 +321,7 @@ function oembed_format_object($j){
'$th'=>$th,
'$turl'=> $j['thumbnail_url'],
));
} else {
$ret=$jhtml;
}
@@ -322,7 +330,7 @@ function oembed_format_object($j){
case "photo": {
$ret.= "<img width='".$j['width']."' src='".$j['url']."'>";
$ret.="<br>";
}; break;
}; break;
case "link": {
if($j['thumbnail_url']) {
if(is_matrix_url($embedurl)) {
@@ -333,14 +341,14 @@ function oembed_format_object($j){
}
//$ret = "<a href='".$embedurl."'>".$j['title']."</a>";
}; break;
}; break;
case 'pdf': {
$ret = $j['html'];
break;
}
case "rich": {
// not so safe..
// not so safe..
if($j['zrl']) {
$ret = ((preg_match('/^<div[^>]+>(.*?)<\/div>$/is',$j['html'],$o)) ? $o[1] : $j['html']);
} else {
@@ -375,7 +383,7 @@ function oembed_iframe($src,$width,$height) {
$scroll = ' scrolling="auto" ';
}
// try and leave some room for the description line.
// try and leave some room for the description line.
$height = intval($height) + 80;
$width = intval($width) + 40;
@@ -383,8 +391,8 @@ function oembed_iframe($src,$width,$height) {
// Make sure any children are sandboxed within their own iframe.
return '<iframe ' . $scroll . 'height="' . $height . '" width="' . $width . '" src="' . $s . '" allowfullscreen frameborder="no" >'
. t('Embedded content') . '</iframe>';
return '<iframe ' . $scroll . 'height="' . $height . '" width="' . $width . '" src="' . $s . '" allowfullscreen frameborder="no" >'
. t('Embedded content') . '</iframe>';
}
@@ -411,7 +419,7 @@ function oe_get_inner_html( $node ) {
$innerHTML .= $child->ownerDocument->saveXML( $child );
}
return $innerHTML;
}
}
/**
* Find <span class='oembed'>..<a href='url' rel='oembed'>..</a></span>
@@ -420,17 +428,20 @@ function oe_get_inner_html( $node ) {
function oembed_html2bbcode($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);
$dom = new DOMDocument;
@$dom->loadHTML($html_text);
if(! $dom)
return $text;
$xpath = new DOMXPath($dom);
$attr = "oembed";
$xattr = oe_build_xpath("class","oembed");
$entries = $xpath->query("//span[$xattr]");
@@ -442,7 +453,7 @@ function oembed_html2bbcode($text) {
return oe_get_inner_html( $dom->getElementsByTagName("body")->item(0) );
} else {
return $text;
}
}
}