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https://github.com/friendica/friendica
synced 2025-04-25 20:30:11 +00:00
Unused OEmbed functionality is removed
This commit is contained in:
Michael
parent
0ff37c0075
commit
821a135033
5 changed files with 48 additions and 274 deletions
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@ -58,7 +58,7 @@ class OEmbed
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public static function replaceCallback(array $matches): string
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{
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$embedurl = $matches[1];
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$j = self::fetchURL($embedurl, !self::isAllowedURL($embedurl));
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$j = self::fetchURL($embedurl);
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$s = self::formatObject($j);
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return $s;
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@ -67,14 +67,12 @@ class OEmbed
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/**
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* Get data from an URL to embed its content.
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*
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* @param string $embedurl The URL from which the data should be fetched.
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* @param bool $no_rich_type If set to true rich type content won't be fetched.
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* @param bool $use_parseurl Use the "ParseUrl" functionality to add additional data
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* @param string $embedurl The URL from which the data should be fetched.
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*
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* @return \Friendica\Object\OEmbed
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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public static function fetchURL(string $embedurl, bool $no_rich_type = false, bool $use_parseurl = true): \Friendica\Object\OEmbed
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private static function fetchURL(string $embedurl): \Friendica\Object\OEmbed
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{
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$embedurl = trim($embedurl, '\'"');
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@ -119,7 +117,7 @@ class OEmbed
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$href = str_replace(['http://www.youtube.com/', 'http://player.vimeo.com/'],
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['https://www.youtube.com/', 'https://player.vimeo.com/'], $href);
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$result = DI::httpClient()->fetchFull($href . '&maxwidth=' . $a->getThemeInfoValue('videowidth'));
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if ($result->getReturnCode() === 200) {
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if ($result->isSuccess()) {
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$json_string = $result->getBodyString();
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break;
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}
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@ -157,57 +155,55 @@ class OEmbed
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}
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// Improve the OEmbed data with data from OpenGraph, Twitter cards and other sources
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if ($use_parseurl) {
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$data = ParseUrl::getSiteinfoCached($embedurl, false);
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$data = ParseUrl::getSiteinfoCached($embedurl);
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if (($oembed->type == 'error') && empty($data['title']) && empty($data['text'])) {
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return $oembed;
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}
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if (($oembed->type == 'error') && empty($data['title']) && empty($data['text'])) {
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return $oembed;
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}
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if ($no_rich_type || ($oembed->type == 'error')) {
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$oembed->html = '';
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$oembed->type = $data['type'];
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if (!self::isAllowedURL($oembed->url) || ($oembed->type == 'error')) {
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$oembed->html = '';
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$oembed->type = $data['type'];
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if ($oembed->type == 'photo') {
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if (!empty($data['images'])) {
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$oembed->url = $data['images'][0]['src'];
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$oembed->width = $data['images'][0]['width'];
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$oembed->height = $data['images'][0]['height'];
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} else {
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$oembed->type = 'link';
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}
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if ($oembed->type == 'photo') {
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if (!empty($data['images'])) {
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$oembed->url = $data['images'][0]['src'];
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$oembed->width = $data['images'][0]['width'];
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$oembed->height = $data['images'][0]['height'];
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} else {
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$oembed->type = 'link';
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}
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}
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}
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if (!empty($data['title'])) {
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$oembed->title = $data['title'];
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}
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if (!empty($data['title'])) {
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$oembed->title = $data['title'];
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}
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if (!empty($data['text'])) {
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$oembed->description = $data['text'];
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}
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if (!empty($data['text'])) {
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$oembed->description = $data['text'];
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}
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if (!empty($data['publisher_name'])) {
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$oembed->provider_name = $data['publisher_name'];
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}
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if (!empty($data['publisher_name'])) {
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$oembed->provider_name = $data['publisher_name'];
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}
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if (!empty($data['publisher_url'])) {
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$oembed->provider_url = $data['publisher_url'];
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}
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if (!empty($data['publisher_url'])) {
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$oembed->provider_url = $data['publisher_url'];
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}
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if (!empty($data['author_name'])) {
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$oembed->author_name = $data['author_name'];
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}
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if (!empty($data['author_name'])) {
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$oembed->author_name = $data['author_name'];
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}
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if (!empty($data['author_url'])) {
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$oembed->author_url = $data['author_url'];
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}
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if (!empty($data['author_url'])) {
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$oembed->author_url = $data['author_url'];
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}
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if (!empty($data['images']) && ($oembed->type != 'photo')) {
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$oembed->thumbnail_url = $data['images'][0]['src'];
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$oembed->thumbnail_width = $data['images'][0]['width'];
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$oembed->thumbnail_height = $data['images'][0]['height'];
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}
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if (!empty($data['images']) && ($oembed->type != 'photo')) {
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$oembed->thumbnail_url = $data['images'][0]['src'];
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$oembed->thumbnail_width = $data['images'][0]['width'];
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$oembed->thumbnail_height = $data['images'][0]['height'];
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}
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Hook::callAll('oembed_fetch_url', $embedurl, $oembed);
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@ -318,43 +314,6 @@ class OEmbed
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return preg_replace_callback("/\[embed\](.+?)\[\/embed\]/is", [self::class, 'replaceCallback'], $text);
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}
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/**
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* Find <span class='oembed'>..<a href='url' rel='oembed'>..</a></span>
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* and replace it with [embed]url[/embed]
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*
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* @param string $text
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* @return string
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*/
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public static function HTML2BBCode(string $text): string
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{
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// start parser only if 'oembed' is in text
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if (strpos($text, 'oembed')) {
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// convert non ascii chars to html entities
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$html_text = mb_convert_encoding($text, 'HTML-ENTITIES', mb_detect_encoding($text));
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// If it doesn't parse at all, just return the text.
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$dom = new DOMDocument();
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if (!@$dom->loadHTML($html_text)) {
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return $text;
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}
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$xpath = new DOMXPath($dom);
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$xattr = self::buildXPath('class', 'oembed');
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$entries = $xpath->query("//div[$xattr]");
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$xattr = "@rel='oembed'"; //oe_build_xpath("rel","oembed");
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foreach ($entries as $e) {
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$href = $xpath->evaluate("a[$xattr]/@href", $e)->item(0)->nodeValue;
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if (!is_null($href)) {
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$e->parentNode->replaceChild(new DOMText('[embed]' . $href . '[/embed]'), $e);
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}
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}
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return self::getInnerHTML($dom->getElementsByTagName('body')->item(0));
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} else {
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return $text;
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}
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}
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/**
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* Determines if rich content OEmbed is allowed for the provided URL
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*
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@ -392,7 +351,7 @@ class OEmbed
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*/
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public static function getHTML(string $url, string $title = ''): string
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{
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$o = self::fetchURL($url, !self::isAllowedURL($url));
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$o = self::fetchURL($url);
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if (!is_object($o) || property_exists($o, 'type') && $o->type == 'error') {
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throw new Exception('OEmbed failed for URL: ' . $url);
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@ -406,70 +365,4 @@ class OEmbed
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return $html;
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}
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/**
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* Generates the iframe HTML for an oembed attachment.
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*
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* Width and height are given by the remote, and are regularly too small for
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* the generated iframe.
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*
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* The width is entirely discarded for the actual width of the post, while fixed
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* height is used as a starting point before the inevitable resizing.
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*
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* Since the iframe is automatically resized on load, there are no need for ugly
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* and impractical scrollbars.
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*
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* @todo This function is currently unused until someone™ adds support for a separate OEmbed domain
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*
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* @param string $src Original remote URL to embed
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* @param string $width
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* @param string $height
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* @return string Formatted HTML
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*
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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* @see oembed_format_object()
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*/
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private static function iframe(string $src, string $width, string $height): string
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{
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if (!$height || strstr($height, '%')) {
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$height = '200';
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}
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$width = '100%';
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$src = DI::baseUrl() . '/oembed/' . Strings::base64UrlEncode($src);
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return '<iframe onload="resizeIframe(this);" class="embed_rich" height="' . $height . '" width="' . $width . '" src="' . $src . '" allowfullscreen scrolling="no" frameborder="no">' . DI::l10n()->t('Embedded content') . '</iframe>';
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}
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/**
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* Generates attribute search XPath string
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*
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* Generates an XPath query to select elements whose provided attribute contains
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* the provided value in a space-separated list.
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*
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* @param string $attr Name of the attribute to search
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* @param string $value Value to search in a space-separated list
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* @return string
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*/
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private static function buildXPath(string $attr, $value): string
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{
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// https://www.westhoffswelt.de/blog/2009/6/9/select-html-elements-with-more-than-one-css-class-using-xpath
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return "contains(normalize-space(@$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'";
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}
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/**
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* Returns the inner XML string of a provided DOMNode
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*
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* @param DOMNode $node
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* @return string
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*/
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private static function getInnerHTML(DOMNode $node): string
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{
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$innerHTML = '';
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$children = $node->childNodes;
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foreach ($children as $child) {
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$innerHTML .= $child->ownerDocument->saveXML($child);
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}
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return $innerHTML;
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}
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}
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