<?php
-
/**
- * @file src/Content/OEmbed.php
+ * @copyright Copyright (C) 2010-2022, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
*/
+
namespace Friendica\Content;
use DOMDocument;
use DOMText;
use DOMXPath;
use Exception;
-use Friendica\Core\Cache;
-use Friendica\Core\Config;
+use Friendica\Core\Cache\Enum\Duration;
use Friendica\Core\Hook;
-use Friendica\Core\L10n;
use Friendica\Core\Renderer;
-use Friendica\Core\System;
+use Friendica\Database\Database;
use Friendica\Database\DBA;
+use Friendica\DI;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\Network;
use Friendica\Util\ParseUrl;
-use Friendica\Util\Proxy as ProxyUtils;
+use Friendica\Util\Proxy;
use Friendica\Util\Strings;
/**
* third party sites
*
* @see https://oembed.com
- *
- * @author Hypolite Petovan <hypolite@mrpetovan.com>
*/
class OEmbed
{
}
/**
- * @brief Get data from an URL to embed its content.
+ * 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.
+ * @param bool $use_parseurl Use the "ParseUrl" functionality to add additional data
*
* @return \Friendica\Object\OEmbed
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
- public static function fetchURL($embedurl, $no_rich_type = false)
+ public static function fetchURL($embedurl, bool $no_rich_type = false, bool $use_parseurl = true)
{
$embedurl = trim($embedurl, '\'"');
- $a = \get_app();
+ $a = DI::app();
- $cache_key = 'oembed:' . $a->videowidth . ':' . $embedurl;
+ $cache_key = 'oembed:' . $a->getThemeInfoValue('videowidth') . ':' . $embedurl;
- $condition = ['url' => Strings::normaliseLink($embedurl), 'maxwidth' => $a->videowidth];
+ $condition = ['url' => Strings::normaliseLink($embedurl), 'maxwidth' => $a->getThemeInfoValue('videowidth')];
$oembed_record = DBA::selectFirst('oembed', ['content'], $condition);
if (DBA::isResult($oembed_record)) {
$json_string = $oembed_record['content'];
} else {
- $json_string = Cache::get($cache_key);
+ $json_string = DI::cache()->get($cache_key);
}
// These media files should now be caught in bbcode.php
if (!in_array($ext, $noexts)) {
// try oembed autodiscovery
- $html_text = Network::fetchUrl($embedurl, false, 15, 'text/*');
- if ($html_text) {
- $dom = @DOMDocument::loadHTML($html_text);
- if ($dom) {
+ $html_text = DI::httpClient()->fetch($embedurl, 15, 'text/*');
+ if (!empty($html_text)) {
+ $dom = new DOMDocument();
+ if (@$dom->loadHTML($html_text)) {
$xpath = new DOMXPath($dom);
- $entries = $xpath->query("//link[@type='application/json+oembed']");
- foreach ($entries as $e) {
- $href = $e->getAttributeNode('href')->nodeValue;
- $json_string = Network::fetchUrl($href . '&maxwidth=' . $a->videowidth);
- break;
- }
-
- $entries = $xpath->query("//link[@type='text/json+oembed']");
- foreach ($entries as $e) {
- $href = $e->getAttributeNode('href')->nodeValue;
- $json_string = Network::fetchUrl($href . '&maxwidth=' . $a->videowidth);
- break;
+ foreach (
+ $xpath->query("//link[@type='application/json+oembed'] | //link[@type='text/json+oembed']")
+ as $link)
+ {
+ $href = $link->getAttributeNode('href')->nodeValue;
+ // Both Youtube and Vimeo output OEmbed endpoint URL with HTTP
+ // but their OEmbed endpoint is only accessible by HTTPS ¯\_(ツ)_/¯
+ $href = str_replace(['http://www.youtube.com/', 'http://player.vimeo.com/'],
+ ['https://www.youtube.com/', 'https://player.vimeo.com/'], $href);
+ $result = DI::httpClient()->fetchFull($href . '&maxwidth=' . $a->getThemeInfoValue('videowidth'));
+ if ($result->getReturnCode() === 200) {
+ $json_string = $result->getBody();
+ break;
+ }
}
}
}
if (!empty($oembed->type) && $oembed->type != 'error') {
DBA::insert('oembed', [
'url' => Strings::normaliseLink($embedurl),
- 'maxwidth' => $a->videowidth,
+ 'maxwidth' => $a->getThemeInfoValue('videowidth'),
'content' => $json_string,
'created' => DateTimeFormat::utcNow()
- ], true);
- $cache_ttl = Cache::DAY;
+ ], Database::INSERT_UPDATE);
+ $cache_ttl = Duration::DAY;
} else {
- $cache_ttl = Cache::FIVE_MINUTES;
+ $cache_ttl = Duration::FIVE_MINUTES;
}
- Cache::set($cache_key, $json_string, $cache_ttl);
+ DI::cache()->set($cache_key, $json_string, $cache_ttl);
}
- if ($oembed->type == 'error') {
- return $oembed;
+ // Always embed the SSL version
+ if (!empty($oembed->html)) {
+ $oembed->html = str_replace(['http://www.youtube.com/', 'http://player.vimeo.com/'], ['https://www.youtube.com/', 'https://player.vimeo.com/'], $oembed->html);
}
- // Always embed the SSL version
- $oembed->html = str_replace(['http://www.youtube.com/', 'http://player.vimeo.com/'], ['https://www.youtube.com/', 'https://player.vimeo.com/'], $oembed->html);
+ // Improve the OEmbed data with data from OpenGraph, Twitter cards and other sources
+ if ($use_parseurl) {
+ $data = ParseUrl::getSiteinfoCached($embedurl, false);
- // If fetching information doesn't work, then improve via internal functions
- if ($no_rich_type && ($oembed->type == 'rich')) {
- $data = ParseUrl::getSiteinfoCached($embedurl, true, false);
- $oembed->type = $data['type'];
+ if (($oembed->type == 'error') && empty($data['title']) && empty($data['text'])) {
+ return $oembed;
+ }
- if ($oembed->type == 'photo') {
- $oembed->url = $data['url'];
+ if ($no_rich_type || ($oembed->type == 'error')) {
+ $oembed->html = '';
+ $oembed->type = $data['type'];
+
+ if ($oembed->type == 'photo') {
+ if (!empty($data['images'])) {
+ $oembed->url = $data['images'][0]['src'];
+ $oembed->width = $data['images'][0]['width'];
+ $oembed->height = $data['images'][0]['height'];
+ } else {
+ $oembed->type = 'link';
+ }
+ }
}
- if (isset($data['title'])) {
+ if (!empty($data['title'])) {
$oembed->title = $data['title'];
}
- if (isset($data['text'])) {
+ if (!empty($data['text'])) {
$oembed->description = $data['text'];
}
- if (!empty($data['images'])) {
+ if (!empty($data['publisher_name'])) {
+ $oembed->provider_name = $data['publisher_name'];
+ }
+
+ if (!empty($data['publisher_url'])) {
+ $oembed->provider_url = $data['publisher_url'];
+ }
+
+ if (!empty($data['author_name'])) {
+ $oembed->author_name = $data['author_name'];
+ }
+
+ if (!empty($data['author_url'])) {
+ $oembed->author_url = $data['author_url'];
+ }
+
+ if (!empty($data['images']) && ($oembed->type != 'photo')) {
$oembed->thumbnail_url = $data['images'][0]['src'];
$oembed->thumbnail_width = $data['images'][0]['width'];
$oembed->thumbnail_height = $data['images'][0]['height'];
break;
case "photo":
- $ret .= '<img width="' . $oembed->width . '" src="' . ProxyUtils::proxifyUrl($oembed->url) . '">';
+ $ret .= '<img width="' . $oembed->width . '" src="' . Proxy::proxifyUrl($oembed->url) . '">';
break;
case "link":
break;
case "rich":
- $ret .= ProxyUtils::proxifyHtml($oembed->html);
+ $ret .= Proxy::proxifyHtml($oembed->html);
break;
}
public static function BBCode2HTML($text)
{
- $stopoembed = Config::get("system", "no_oembed");
+ $stopoembed = DI::config()->get("system", "no_oembed");
if ($stopoembed == true) {
- return preg_replace("/\[embed\](.+?)\[\/embed\]/is", "<!-- oembed $1 --><i>" . L10n::t('Embedding disabled') . " : $1</i><!-- /oembed $1 -->", $text);
+ return preg_replace("/\[embed\](.+?)\[\/embed\]/is", "<!-- oembed $1 --><i>" . DI::l10n()->t('Embedding disabled') . " : $1</i><!-- /oembed $1 -->", $text);
}
return preg_replace_callback("/\[embed\](.+?)\[\/embed\]/is", ['self', 'replaceCallback'], $text);
}
/**
* Determines if rich content OEmbed is allowed for the provided URL
*
- * @brief Determines if rich content OEmbed is allowed for the provided URL
* @param string $url
* @return boolean
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public static function isAllowedURL($url)
{
- if (!Config::get('system', 'no_oembed_rich_content')) {
+ if (!DI::config()->get('system', 'no_oembed_rich_content')) {
return true;
}
return false;
}
- $str_allowed = Config::get('system', 'allowed_oembed', '');
+ $str_allowed = DI::config()->get('system', 'allowed_oembed', '');
if (empty($str_allowed)) {
return false;
}
public static function getHTML($url, $title = null)
{
- // Always embed the SSL version
- $url = str_replace(["http://www.youtube.com/", "http://player.vimeo.com/"],
- ["https://www.youtube.com/", "https://player.vimeo.com/"], $url);
-
$o = self::fetchURL($url, !self::isAllowedURL($url));
if (!is_object($o) || property_exists($o, 'type') && $o->type == 'error') {
}
/**
- * @brief Generates the iframe HTML for an oembed attachment.
+ * 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.
}
$width = '100%';
- $src = System::baseUrl() . '/oembed/' . Strings::base64UrlEncode($src);
- return '<iframe onload="resizeIframe(this);" class="embed_rich" height="' . $height . '" width="' . $width . '" src="' . $src . '" allowfullscreen scrolling="no" frameborder="no">' . L10n::t('Embedded content') . '</iframe>';
+ $src = DI::baseUrl() . '/oembed/' . Strings::base64UrlEncode($src);
+ 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>';
}
/**
+ * Generates attribute search XPath string
+ *
* Generates an XPath query to select elements whose provided attribute contains
* the provided value in a space-separated list.
*
- * @brief Generates attribute search XPath string
- *
* @param string $attr Name of the attribute to seach
* @param string $value Value to search in a space-separated list
* @return string
/**
* Returns the inner XML string of a provided DOMNode
*
- * @brief Returns the inner XML string of a provided DOMNode
- *
* @param DOMNode $node
* @return string
*/