Fix undefined oembed properties
- Add Object\OEmbed class
This commit is contained in:
Hypolite Petovan
parent
adc47fc8ea
commit
df917251ff
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@ -19,7 +19,6 @@ use Friendica\Database\DBA;
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use Friendica\Util\DateTimeFormat;
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use Friendica\Util\Network;
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use Friendica\Util\ParseUrl;
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use stdClass;
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require_once 'include/dba.php';
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require_once 'mod/proxy.php';
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@ -48,132 +47,128 @@ class OEmbed
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/**
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* @brief 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 string $embedurl The URL from which the data should be fetched.
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* @param bool $no_rich_type If set to true rich type content won't be fetched.
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*
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* @return bool|object Returns object with embed content or false if no embeddable
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* content exists
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* @return \Friendica\Object\OEmbed
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*/
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public static function fetchURL($embedurl, $no_rich_type = false)
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{
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$embedurl = trim($embedurl, "'");
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$embedurl = trim($embedurl, '"');
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$embedurl = trim($embedurl, '\'"');
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$a = get_app();
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$cache_key = 'oembed:' . $a->videowidth . ':' . $embedurl;
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$condition = ['url' => normalise_link($embedurl), 'maxwidth' => $a->videowidth];
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$oembed = DBA::selectFirst('oembed', ['content'], $condition);
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if (DBA::isResult($oembed)) {
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$txt = $oembed["content"];
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$oembed_record = DBA::selectFirst('oembed', ['content'], $condition);
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if (DBA::isResult($oembed_record)) {
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$json_string = $oembed_record['content'];
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} else {
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$txt = Cache::get($a->videowidth . $embedurl);
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$json_string = Cache::get($cache_key);
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}
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// These media files should now be caught in bbcode.php
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// left here as a fallback in case this is called from another source
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$noexts = ["mp3", "mp4", "ogg", "ogv", "oga", "ogm", "webm"];
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$noexts = ['mp3', 'mp4', 'ogg', 'ogv', 'oga', 'ogm', 'webm'];
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$ext = pathinfo(strtolower($embedurl), PATHINFO_EXTENSION);
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$oembed = new \Friendica\Object\OEmbed($embedurl);
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if (is_null($txt)) {
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$txt = "";
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if ($json_string) {
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$oembed->parseJSON($json_string);
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} else {
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$json_string = '';
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if (!in_array($ext, $noexts)) {
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// try oembed autodiscovery
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$redirects = 0;
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$html_text = Network::fetchUrl($embedurl, false, $redirects, 15, "text/*");
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$html_text = Network::fetchUrl($embedurl, false, $redirects, 15, 'text/*');
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if ($html_text) {
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$dom = @DOMDocument::loadHTML($html_text);
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if ($dom) {
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$xpath = new DOMXPath($dom);
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$entries = $xpath->query("//link[@type='application/json+oembed']");
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foreach ($entries as $e) {
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$href = $e->getAttributeNode("href")->nodeValue;
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$txt = Network::fetchUrl($href . '&maxwidth=' . $a->videowidth);
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$href = $e->getAttributeNode('href')->nodeValue;
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$json_string = Network::fetchUrl($href . '&maxwidth=' . $a->videowidth);
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break;
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}
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$entries = $xpath->query("//link[@type='text/json+oembed']");
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foreach ($entries as $e) {
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$href = $e->getAttributeNode("href")->nodeValue;
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$txt = Network::fetchUrl($href . '&maxwidth=' . $a->videowidth);
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$href = $e->getAttributeNode('href')->nodeValue;
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$json_string = Network::fetchUrl($href . '&maxwidth=' . $a->videowidth);
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break;
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}
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}
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}
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}
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$txt = trim($txt);
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$json_string = trim($json_string);
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if (!$txt || $txt[0] != "{") {
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$txt = '{"type":"error"}';
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} else { //save in cache
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$j = json_decode($txt);
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if (!empty($j->type) && $j->type != "error") {
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DBA::insert('oembed', [
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'url' => normalise_link($embedurl),
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'maxwidth' => $a->videowidth,
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'content' => $txt,
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'created' => DateTimeFormat::utcNow()
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], true);
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}
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Cache::set($a->videowidth . $embedurl, $txt, CACHE_DAY);
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if (!$json_string || $json_string[0] != '{') {
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$json_string = '{"type":"error"}';
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}
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$oembed->parseJSON($json_string);
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if (!empty($oembed->type) && $oembed->type != 'error') {
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DBA::insert('oembed', [
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'url' => normalise_link($embedurl),
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'maxwidth' => $a->videowidth,
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'content' => $json_string,
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'created' => DateTimeFormat::utcNow()
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], true);
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}
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Cache::set($cache_key, $json_string, CACHE_DAY);
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}
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$j = json_decode($txt);
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if (!is_object($j)) {
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return false;
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if ($oembed->type == 'error') {
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return $oembed;
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}
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// Always embed the SSL version
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if (isset($j->html)) {
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$j->html = str_replace(["http://www.youtube.com/", "http://player.vimeo.com/"], ["https://www.youtube.com/", "https://player.vimeo.com/"], $j->html);
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}
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$j->embedurl = $embedurl;
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$oembed->html = str_replace(['http://www.youtube.com/', 'http://player.vimeo.com/'], ['https://www.youtube.com/', 'https://player.vimeo.com/'], $oembed->html);
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// If fetching information doesn't work, then improve via internal functions
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if ($no_rich_type && ($j->type == "rich")) {
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if ($no_rich_type && ($oembed->type == 'rich')) {
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$data = ParseUrl::getSiteinfoCached($embedurl, true, false);
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$j->type = $data["type"];
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$oembed->type = $data['type'];
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if ($j->type == "photo") {
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$j->url = $data["url"];
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if ($oembed->type == 'photo') {
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$oembed->url = $data['url'];
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}
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if (isset($data["title"])) {
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$j->title = $data["title"];
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if (isset($data['title'])) {
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$oembed->title = $data['title'];
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}
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if (isset($data["text"])) {
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$j->description = $data["text"];
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if (isset($data['text'])) {
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$oembed->description = $data['text'];
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}
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if (is_array($data["images"])) {
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$j->thumbnail_url = $data["images"][0]["src"];
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$j->thumbnail_width = $data["images"][0]["width"];
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$j->thumbnail_height = $data["images"][0]["height"];
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if (is_array($data['images'])) {
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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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}
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Addon::callHooks('oembed_fetch_url', $embedurl, $j);
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Addon::callHooks('oembed_fetch_url', $embedurl, $oembed);
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return $j;
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return $oembed;
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}
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private static function formatObject(stdClass $j)
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private static function formatObject(\Friendica\Object\OEmbed $oembed)
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{
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$embedurl = $j->embedurl;
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$jhtml = $j->html;
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$ret = '<div class="oembed ' . $j->type . '">';
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$ret = '<div class="oembed ' . $oembed->type . '">';
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switch ($j->type) {
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switch ($oembed->type) {
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case "video":
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if (isset($j->thumbnail_url)) {
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$tw = (isset($j->thumbnail_width) && intval($j->thumbnail_width)) ? $j->thumbnail_width : 200;
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$th = (isset($j->thumbnail_height) && intval($j->thumbnail_height)) ? $j->thumbnail_height : 180;
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if ($oembed->thumbnail_url) {
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$tw = (isset($oembed->thumbnail_width) && intval($oembed->thumbnail_width)) ? $oembed->thumbnail_width : 200;
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$th = (isset($oembed->thumbnail_height) && intval($oembed->thumbnail_height)) ? $oembed->thumbnail_height : 180;
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// make sure we don't attempt divide by zero, fallback is a 1:1 ratio
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$tr = (($th) ? $tw / $th : 1);
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@ -182,63 +177,63 @@ class OEmbed
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$tpl = get_markup_template('oembed_video.tpl');
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$ret .= replace_macros($tpl, [
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'$baseurl' => System::baseUrl(),
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'$embedurl' => $embedurl,
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'$escapedhtml' => base64_encode($jhtml),
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'$embedurl' => $oembed->embed_url,
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'$escapedhtml' => base64_encode($oembed->html),
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'$tw' => $tw,
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'$th' => $th,
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'$turl' => $j->thumbnail_url,
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'$turl' => $oembed->thumbnail_url,
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]);
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} else {
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$ret = $jhtml;
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$ret = $oembed->html;
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}
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break;
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case "photo":
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$ret .= '<img width="' . $j->width . '" src="' . proxy_url($j->url) . '">';
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$ret .= '<img width="' . $oembed->width . '" src="' . proxy_url($oembed->url) . '">';
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break;
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case "link":
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break;
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case "rich":
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$ret .= proxy_parse_html($jhtml);
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$ret .= proxy_parse_html($oembed->html);
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break;
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}
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// add link to source if not present in "rich" type
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if ($j->type != 'rich' || !strpos($j->html, $embedurl)) {
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if ($oembed->type != 'rich' || !strpos($oembed->html, $oembed->embed_url)) {
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$ret .= '<h4>';
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if (!empty($j->title)) {
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if (!empty($j->provider_name)) {
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$ret .= $j->provider_name . ": ";
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if (!empty($oembed->title)) {
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if (!empty($oembed->provider_name)) {
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$ret .= $oembed->provider_name . ": ";
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}
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$ret .= '<a href="' . $embedurl . '" rel="oembed">' . $j->title . '</a>';
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if (!empty($j->author_name)) {
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$ret .= ' (' . $j->author_name . ')';
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$ret .= '<a href="' . $oembed->embed_url . '" rel="oembed">' . $oembed->title . '</a>';
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if (!empty($oembed->author_name)) {
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$ret .= ' (' . $oembed->author_name . ')';
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}
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} elseif (!empty($j->provider_name) || !empty($j->author_name)) {
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} elseif (!empty($oembed->provider_name) || !empty($oembed->author_name)) {
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$embedlink = "";
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if (!empty($j->provider_name)) {
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$embedlink .= $j->provider_name;
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if (!empty($oembed->provider_name)) {
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$embedlink .= $oembed->provider_name;
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}
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if (!empty($j->author_name)) {
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if (!empty($oembed->author_name)) {
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if ($embedlink != "") {
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$embedlink .= ": ";
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}
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$embedlink .= $j->author_name;
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$embedlink .= $oembed->author_name;
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}
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if (trim($embedlink) == "") {
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$embedlink = $embedurl;
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$embedlink = $oembed->embed_url;
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}
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$ret .= '<a href="' . $embedurl . '" rel="oembed">' . $embedlink . '</a>';
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$ret .= '<a href="' . $oembed->embed_url . '" rel="oembed">' . $embedlink . '</a>';
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} else {
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$ret .= '<a href="' . $embedurl . '" rel="oembed">' . $embedurl . '</a>';
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$ret .= '<a href="' . $oembed->embed_url . '" rel="oembed">' . $oembed->embed_url . '</a>';
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}
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$ret .= "</h4>";
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} elseif (!strpos($j->html, $embedurl)) {
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} elseif (!strpos($oembed->html, $oembed->embed_url)) {
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// add <a> for html2bbcode conversion
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$ret .= '<a href="' . $embedurl . '" rel="oembed">' . $j->title . '</a>';
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$ret .= '<a href="' . $oembed->embed_url . '" rel="oembed">' . $oembed->title . '</a>';
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}
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$ret .= '</div>';
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50
src/Object/OEmbed.php
Normal file
50
src/Object/OEmbed.php
Normal file
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@ -0,0 +1,50 @@
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<?php
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namespace Friendica\Object;
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/**
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* OEmbed data object
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*
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* @see https://oembed.com/#section2.3
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*
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* @author Hypolite Petovan <mrpetovan@gmail.com>
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*/
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class OEmbed
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{
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public $embed_url = '';
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public $type = '';
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public $title = '';
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public $author_name = '';
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public $author_url = '';
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public $provider_name = '';
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public $provider_url = '';
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public $cache_age = '';
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public $thumbnail_url = '';
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public $thumbnail_width = '';
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public $thumbnail_height = '';
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public $html = '';
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public $url = '';
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public $width = '';
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public $height = '';
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public function __construct($embed_url)
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{
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$this->embed_url = $embed_url;
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}
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public function parseJSON($json_string)
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{
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$properties = json_decode($json_string, true);
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if (empty($properties)) {
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return;
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}
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foreach ($properties as $key => $value) {
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if (property_exists(__CLASS__, $key)) {
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$this->{$key} = $value;
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}
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}
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}
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}
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