]> git.mxchange.org Git - friendica.git/blobdiff - src/Content/OEmbed.php
Merge pull request #11230 from annando/account-type
[friendica.git] / src / Content / OEmbed.php
index 64182c70e0c27acda45712bec15960df1beb329d..4e1ae2946f84f442a1b072f4eb07fef68d26f75a 100644 (file)
@@ -1,8 +1,24 @@
 <?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;
@@ -10,17 +26,16 @@ use DOMNode;
 use DOMText;
 use DOMXPath;
 use Exception;
-use Friendica\Core\Cache\Duration;
-use Friendica\Core\Config;
+use Friendica\Core\Cache\Enum\Duration;
 use Friendica\Core\Hook;
-use Friendica\Core\L10n;
 use Friendica\Core\Renderer;
+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;
 
 /**
@@ -30,8 +45,6 @@ use Friendica\Util\Strings;
  * third party sites
  *
  * @see https://oembed.com
- *
- * @author Hypolite Petovan <hypolite@mrpetovan.com>
  */
 class OEmbed
 {
@@ -49,19 +62,20 @@ class OEmbed
         *
         * @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 = 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'];
@@ -83,23 +97,25 @@ class OEmbed
 
                        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 = $result->getBody();
+                                                               break;
+                                                       }
                                                }
                                        }
                                }
@@ -116,10 +132,10 @@ class OEmbed
                        if (!empty($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);
+                               ], Database::INSERT_UPDATE);
                                $cache_ttl = Duration::DAY;
                        } else {
                                $cache_ttl = Duration::FIVE_MINUTES;
@@ -128,31 +144,59 @@ class OEmbed
                        DI::cache()->set($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'];
@@ -192,14 +236,14 @@ class OEmbed
                                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;
                }
 
@@ -249,9 +293,9 @@ class OEmbed
 
        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'], $text);
        }
@@ -303,7 +347,7 @@ class OEmbed
         */
        public static function isAllowedURL($url)
        {
-               if (!Config::get('system', 'no_oembed_rich_content')) {
+               if (!DI::config()->get('system', 'no_oembed_rich_content')) {
                        return true;
                }
 
@@ -312,7 +356,7 @@ class OEmbed
                        return false;
                }
 
-               $str_allowed = Config::get('system', 'allowed_oembed', '');
+               $str_allowed = DI::config()->get('system', 'allowed_oembed', '');
                if (empty($str_allowed)) {
                        return false;
                }
@@ -324,10 +368,6 @@ class OEmbed
 
        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') {
@@ -373,7 +413,7 @@ class OEmbed
                $width = '100%';
 
                $src = DI::baseUrl() . '/oembed/' . Strings::base64UrlEncode($src);
-               return '<iframe onload="resizeIframe(this);" class="embed_rich" height="' . $height . '" width="' . $width . '" src="' . $src . '" allowfullscreen scrolling="no" frameborder="no">' . L10n::t('Embedded content') . '</iframe>';
+               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>';
        }
 
        /**