<?php
+
+/**
+ * @file include/oembed.php
+ */
+
+use Friendica\ParseUrl;
+use Friendica\Core\Config;
+
function oembed_replacecb($matches){
$embedurl=$matches[1];
$j = oembed_fetch_url($embedurl);
$s = oembed_format_object($j);
+
return $s;
}
-
+/**
+ * @brief Get data from an URL to embed its content.
+ *
+ * @param string $embedurl The URL from which the data should be fetched.
+ * @param bool $no_rich_type If set to true rich type content won't be fetched.
+ *
+ * @return bool|object Returns object with embed content or false if no embedable
+ * content exists
+ */
function oembed_fetch_url($embedurl, $no_rich_type = false){
$embedurl = trim($embedurl, "'");
$embedurl = trim($embedurl, '"');
$a = get_app();
- $txt = Cache::get($a->videowidth . $embedurl);
+ $r = q("SELECT * FROM `oembed` WHERE `url` = '%s'",
+ dbesc(normalise_link($embedurl)));
+ if (dbm::is_result($r)) {
+ $txt = $r[0]["content"];
+ } else {
+ $txt = Cache::get($a->videowidth . $embedurl);
+ }
// These media files should now be caught in bbcode.php
// left here as a fallback in case this is called from another source
- $noexts = array("mp3","mp4","ogg","ogv","oga","ogm","webm");
- $ext = pathinfo(strtolower($embedurl),PATHINFO_EXTENSION);
+ $noexts = array("mp3", "mp4", "ogg", "ogv", "oga", "ogm", "webm");
+ $ext = pathinfo(strtolower($embedurl), PATHINFO_EXTENSION);
- if(is_null($txt)){
+ if (is_null($txt)) {
$txt = "";
if (!in_array($ext, $noexts)){
// try oembed autodiscovery
$redirects = 0;
- $html_text = fetch_url($embedurl, false, $redirects, 15, "text/*"); /**/
- if($html_text){
+ $html_text = fetch_url($embedurl, false, $redirects, 15, "text/*");
+ if ($html_text) {
$dom = @DOMDocument::loadHTML($html_text);
- if ($dom){
+ if ($dom) {
$xpath = new DOMXPath($dom);
$attr = "oembed";
$xattr = oe_build_xpath("class","oembed");
$entries = $xpath->query("//link[@type='application/json+oembed']");
- foreach($entries as $e){
+ foreach ($entries as $e) {
$href = $e->getAttributeNode("href")->nodeValue;
$txt = fetch_url($href . '&maxwidth=' . $a->videowidth);
break;
}
$entries = $xpath->query("//link[@type='text/json+oembed']");
- foreach($entries as $e){
+ foreach ($entries as $e) {
$href = $e->getAttributeNode("href")->nodeValue;
$txt = fetch_url($href . '&maxwidth=' . $a->videowidth);
break;
}
}
- if ($txt==false || $txt==""){
- $embedly = get_config("system", "embedly");
- if ($embedly != "") {
- // try embedly service
- $ourl = "https://api.embed.ly/1/oembed?key=".$embedly."&url=".urlencode($embedurl);
- $txt = fetch_url($ourl);
-
- logger("oembed_fetch_url: ".$txt, LOGGER_DEBUG);
+ $txt = trim($txt);
+
+ if ($txt[0] != "{") {
+ $txt = '{"type":"error"}';
+ } else { //save in cache
+ $j = json_decode($txt);
+ if ($j->type != "error") {
+ q("INSERT INTO `oembed` (`url`, `content`, `created`) VALUES ('%s', '%s', '%s')
+ ON DUPLICATE KEY UPDATE `content` = '%s', `created` = '%s'",
+ dbesc(normalise_link($embedurl)),
+ dbesc($txt), dbesc(datetime_convert()),
+ dbesc($txt), dbesc(datetime_convert()));
}
- }
-
- $txt=trim($txt);
- if ($txt[0]!="{")
- $txt='{"type":"error"}';
- else //save in cache
- Cache::set($a->videowidth . $embedurl,$txt, CACHE_DAY);
+ Cache::set($a->videowidth.$embedurl, $txt, CACHE_DAY);
+ }
}
$j = json_decode($txt);
- if (!is_object($j))
+ if (!is_object($j)) {
return false;
+ }
// Always embed the SSL version
- if (isset($j->html))
+ if (isset($j->html)) {
$j->html = str_replace(array("http://www.youtube.com/", "http://player.vimeo.com/"),
array("https://www.youtube.com/", "https://player.vimeo.com/"), $j->html);
+ }
$j->embedurl = $embedurl;
// If fetching information doesn't work, then improve via internal functions
if (($j->type == "error") OR ($no_rich_type AND ($j->type == "rich"))) {
- require_once("mod/parse_url.php");
- $data = parseurl_getsiteinfo($embedurl, true, false);
+ $data = ParseUrl::getSiteinfoCached($embedurl, true, false);
$j->type = $data["type"];
if ($j->type == "photo") {
//$j->height = $data["images"][0]["height"];
}
- if (isset($data["title"]))
- $j->title = $data["title"];
+ if (isset($data["title"])) {
+ $j->title = $data["title"];
+ }
- if (isset($data["text"]))
- $j->description = $data["text"];
+ if (isset($data["text"])) {
+ $j->description = $data["text"];
+ }
if (is_array($data["images"])) {
- $j->thumbnail_url = $data["images"][0]["src"];
- $j->thumbnail_width = $data["images"][0]["width"];
- $j->thumbnail_height = $data["images"][0]["height"];
+ $j->thumbnail_url = $data["images"][0]["src"];
+ $j->thumbnail_width = $data["images"][0]["width"];
+ $j->thumbnail_height = $data["images"][0]["height"];
}
}
function oembed_format_object($j){
require_once("mod/proxy.php");
- $a = get_app();
$embedurl = $j->embedurl;
$jhtml = oembed_iframe($j->embedurl,(isset($j->width) ? $j->width : null), (isset($j->height) ? $j->height : null) );
$ret="<span class='oembed ".$j->type."'>";
switch ($j->type) {
- case "video": {
+ case "video":
if (isset($j->thumbnail_url)) {
$tw = (isset($j->thumbnail_width) && intval($j->thumbnail_width)) ? $j->thumbnail_width:200;
$th = (isset($j->thumbnail_height) && intval($j->thumbnail_height)) ? $j->thumbnail_height:180;
$th=120; $tw = $th*$tr;
$tpl=get_markup_template('oembed_video.tpl');
$ret.=replace_macros($tpl, array(
- '$baseurl' => $a->get_baseurl(),
- '$embedurl'=>$embedurl,
- '$escapedhtml'=>base64_encode($jhtml),
- '$tw'=>$tw,
- '$th'=>$th,
- '$turl'=>$j->thumbnail_url,
+ '$baseurl' => App::get_baseurl(),
+ '$embedurl' => $embedurl,
+ '$escapedhtml' => base64_encode($jhtml),
+ '$tw' => $tw,
+ '$th' => $th,
+ '$turl' => $j->thumbnail_url,
));
} else {
$ret=$jhtml;
}
//$ret.="<br>";
- }; break;
- case "photo": {
+ break;
+ case "photo":
$ret.= "<img width='".$j->width."' src='".proxy_url($j->url)."'>";
- }; break;
- case "link": {
- }; break;
- case "rich": {
+ break;
+ case "link":
+ break;
+ case "rich":
// not so safe..
- if (!get_config("system","no_oembed_rich_content"))
+ if (!Config::get("system","no_oembed_rich_content")) {
$ret.= proxy_parse_html($jhtml);
- }; break;
+ }
+ break;
}
// add link to source if not present in "rich" type
if ($j->type!='rich' || !strpos($j->html,$embedurl) ){
$ret .= "<h4>";
if (isset($j->title)) {
- if (isset($j->provider_name))
+ if (isset($j->provider_name)) {
$ret .= $j->provider_name.": ";
+ }
$embedlink = (isset($j->title))?$j->title:$embedurl;
$ret .= "<a href='$embedurl' rel='oembed'>$embedlink</a>";
- if (isset($j->author_name))
+ if (isset($j->author_name)) {
$ret.=" (".$j->author_name.")";
+ }
} elseif (isset($j->provider_name) OR isset($j->author_name)) {
$embedlink = "";
- if (isset($j->provider_name))
+ if (isset($j->provider_name)) {
$embedlink .= $j->provider_name;
+ }
if (isset($j->author_name)) {
- if ($embedlink != "")
+ if ($embedlink != "") {
$embedlink .= ": ";
+ }
$embedlink .= $j->author_name;
}
- if (trim($embedlink) == "")
+ if (trim($embedlink) == "") {
$embedlink = $embedurl;
+ }
$ret .= "<a href='$embedurl' rel='oembed'>$embedlink</a>";
}
return mb_convert_encoding($ret, 'HTML-ENTITIES', mb_detect_encoding($ret));
}
-function oembed_iframe($src,$width,$height) {
-
- if(! $width || strstr($width,'%'))
- $width = '640';
- if(! $height || strstr($height,'%')) {
- $height = '300';
- $resize = 'onload="resizeIframe(this);"';
- } else
- $resize = '';
-
- // try and leave some room for the description line.
- $height = intval($height) + 80;
- $width = intval($width) + 40;
-
+/**
+ * @brief Generates the iframe HTML for an oembed attachment.
+ *
+ * Width and height are given by the remote, and are regularly too small for
+ * the generated iframe.
+ *
+ * The width is entirely discarded for the actual width of the post, while fixed
+ * height is used as a starting point before the inevitable resizing.
+ *
+ * Since the iframe is automatically resized on load, there are no need for ugly
+ * and impractical scrollbars.
+ *
+ * @param string $src Original remote URL to embed
+ * @param string $width
+ * @param string $height
+ * @return string formatted HTML
+ *
+ * @see oembed_format_object()
+ */
+function oembed_iframe($src, $width, $height) {
$a = get_app();
- $s = $a->get_baseurl()."/oembed/".base64url_encode($src);
- return '<iframe '.$resize.' class="embed_rich" height="'.$height.'" width="'.$width.'" src="'.$s.'" frameborder="no">'.t('Embedded content').'</iframe>';
+ if (!$height || strstr($height,'%')) {
+ $height = '200';
+ }
+ $width = '100%';
+ $s = App::get_baseurl() . '/oembed/' . base64url_encode($src);
+ return '<iframe onload="resizeIframe(this);" class="embed_rich" height="' . $height . '" width="' . $width . '" src="' . $s . '" allowfullscreen scrolling="no" frameborder="no">' . t('Embedded content') . '</iframe>';
}
function oembed_bbcode2html($text){
- $stopoembed = get_config("system","no_oembed");
+ $stopoembed = Config::get("system","no_oembed");
if ($stopoembed == true){
return preg_replace("/\[embed\](.+?)\[\/embed\]/is", "<!-- oembed $1 --><i>". t('Embedding disabled') ." : $1</i><!-- /oembed $1 -->" ,$text);
}
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 $innerHTML;
+function oe_get_inner_html($node) {
+ $innerHTML= '';
+ $children = $node->childNodes;
+ foreach ($children as $child) {
+ $innerHTML .= $child->ownerDocument->saveXML($child);
+ }
+ return $innerHTML;
}
/**
*/
function oembed_html2bbcode($text) {
// start parser only if 'oembed' is in text
- if (strpos($text, "oembed")){
+ if (strpos($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)
+ if (! $dom) {
return $text;
+ }
$xpath = new DOMXPath($dom);
$attr = "oembed";
projects / friendica.git / blobdiff