<?php
+
+/**
+ * @file include/oembed.php
+ */
+
+use \Friendica\ParseUrl;
+use \Friendica\Core\Config;
+
function oembed_replacecb($matches){
$embedurl=$matches[1];
$j = oembed_fetch_url($embedurl);
- return oembed_format_object($j);
+ $s = oembed_format_object($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, '"');
-function oembed_fetch_url($embedurl){
+ $a = get_app();
- $r = q("SELECT v FROM `cache` WHERE k='%s'",
- dbesc($embedurl));
-
- if(count($r)){
- $txt = $r[0]['v'];
+ $r = q("SELECT * FROM `oembed` WHERE `url` = '%s'",
+ dbesc(normalise_link($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);
+
+
+ if (is_null($txt)) {
$txt = "";
-
- // try oembed autodiscovery
- $html_text = fetch_url($embedurl);
- if(! $html_text)
- return;
- $dom = @DOMDocument::loadHTML($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 (!in_array($ext, $noexts)){
+ // try oembed autodiscovery
+ $redirects = 0;
+ $html_text = fetch_url($embedurl, false, $redirects, 15, "text/*");
+ if ($html_text) {
+ $dom = @DOMDocument::loadHTML($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 . '&maxwidth=' . $a->videowidth);
+ break;
+ }
+ $entries = $xpath->query("//link[@type='text/json+oembed']");
+ foreach ($entries as $e) {
+ $href = $e->getAttributeNode("href")->nodeValue;
+ $txt = fetch_url($href . '&maxwidth=' . $a->videowidth);
+ break;
+ }
+ }
}
}
-
- if ($txt==false || $txt==""){
- // try oohembed service
- $ourl = "http://oohembed.com/oohembed/?url=".urlencode($embedurl);
- $txt = fetch_url($ourl);
+
+ if ($txt==false || $txt=="") {
+ $embedly = Config::get("system", "embedly");
+ if ($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]!="{") $txt='{"type":"error"}';
-
- //save in cache
- /*q("INSERT INTO `cache` VALUES ('%s','%s','%s')",
- dbesc($embedurl),
- dbesc($txt),
- dbesc(datetime_convert()));*/
+
+ if ($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()));
+ }
+
+ Cache::set($a->videowidth.$embedurl, $txt, CACHE_DAY);
+ }
}
-
+
$j = json_decode($txt);
+
+ if (!is_object($j)) {
+ return false;
+ }
+
+ // Always embed the SSL version
+ if (isset($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"))) {
+ $data = ParseUrl::getSiteinfoCached($embedurl, true, false);
+ $j->type = $data["type"];
+
+ if ($j->type == "photo") {
+ $j->url = $data["url"];
+ //$j->width = $data["images"][0]["width"];
+ //$j->height = $data["images"][0]["height"];
+ }
+
+ if (isset($data["title"])) {
+ $j->title = $data["title"];
+ }
+
+ if (isset($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"];
+ }
+ }
+
+ call_hooks('oembed_fetch_url', $embedurl, $j);
+
return $j;
}
-
+
function oembed_format_object($j){
+ require_once("mod/proxy.php");
+
$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)) ? $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>";
+ $tw = (isset($j->thumbnail_width) && intval($j->thumbnail_width)) ? $j->thumbnail_width:200;
+ $th = (isset($j->thumbnail_height) && intval($j->thumbnail_height)) ? $j->thumbnail_height:180;
+ // make sure we don't attempt divide by zero, fallback is a 1:1 ratio
+ $tr = (($th) ? $tw/$th : 1);
+
+ $th=120; $tw = $th*$tr;
+ $tpl=get_markup_template('oembed_video.tpl');
+ $ret.=replace_macros($tpl, array(
+ '$baseurl' => App::get_baseurl(),
+ '$embedurl' => $embedurl,
+ '$escapedhtml' => base64_encode($jhtml),
+ '$tw' => $tw,
+ '$th' => $th,
+ '$turl' => $j->thumbnail_url,
+ ));
+
} else {
- $ret=$j->html;
+ $ret=$jhtml;
+ }
+ //$ret.="<br>";
+ break;
+ case "photo":
+ $ret.= "<img width='".$j->width."' src='".proxy_url($j->url)."'>";
+ break;
+ case "link":
+ break;
+ case "rich":
+ // not so safe..
+ if (!Config::get("system","no_oembed_rich_content")) {
+ $ret.= proxy_parse_html($jhtml);
}
- $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;
+ 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)) {
+ $ret .= $j->provider_name.": ";
+ }
+
+ $embedlink = (isset($j->title))?$j->title:$embedurl;
+ $ret .= "<a href='$embedurl' rel='oembed'>$embedlink</a>";
+ if (isset($j->author_name)) {
+ $ret.=" (".$j->author_name.")";
+ }
+ } elseif (isset($j->provider_name) OR isset($j->author_name)) {
+ $embedlink = "";
+ if (isset($j->provider_name)) {
+ $embedlink .= $j->provider_name;
+ }
+
+ if (isset($j->author_name)) {
+ if ($embedlink != "") {
+ $embedlink .= ": ";
+ }
+
+ $embedlink .= $j->author_name;
+ }
+ if (trim($embedlink) == "") {
+ $embedlink = $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 .= "</h4>";
+ } else {
+ // add <a> for html2bbcode conversion
+ $ret .= "<a href='$embedurl' rel='oembed'>$embedurl</a>";
+ }
+ $ret.="</span>";
+ $ret = str_replace("\n","",$ret);
+ return mb_convert_encoding($ret, 'HTML-ENTITIES', mb_detect_encoding($ret));
+}
+
+/**
+ * @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) {
+ $a = get_app();
+
+ if (!$height || strstr($height,'%')) {
+ $height = '200';
}
+ $width = '100%';
- $embedlink = (isset($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;
+ $s = App::get_baseurl() . '/oembed/' . base64url_encode($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 $innerHTML;
+}
/**
* Find <span class='oembed'>..<a href='url' rel='oembed'>..</a></span>
*/
function oembed_html2bbcode($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";
-
+
$xattr = oe_build_xpath("class","oembed");
$entries = $xpath->query("//span[$xattr]");
-
- $xattr = oe_build_xpath("rel","oembed");
+
+ $xattr = "@rel='oembed'";//oe_build_xpath("rel","oembed");
foreach($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