From 36f64a3258ad91e0a16313457f18b29637c5cca6 Mon Sep 17 00:00:00 2001
From: quickwick <2566133+quickwick@users.noreply.github.com>
Date: Sun, 4 Sep 2022 20:31:36 -0700
Subject: [PATCH] feat: add preview for external urls in twitterv2 (#3006)

Fix #2430
---
 bridges/TwitterV2Bridge.php | 48 +++++++++++++++++++++++++++++++++++--
 1 file changed, 46 insertions(+), 2 deletions(-)

diff --git a/bridges/TwitterV2Bridge.php b/bridges/TwitterV2Bridge.php
index fe1c43aa..3ba0e251 100644
--- a/bridges/TwitterV2Bridge.php
+++ b/bridges/TwitterV2Bridge.php
@@ -470,6 +470,24 @@ EOD
 
             $this->item['title'] = $titleText;
 
+            // Get external link info
+            $extURL = null;
+            if (isset($tweet->entities->urls) && strpos($tweet->entities->urls[0]->expanded_url, 'twitter.com') === false) {
+                Debug::log('Found an external link!');
+                $extURL = $tweet->entities->urls[0]->expanded_url;
+                Debug::log($extURL);
+                $extDisplayURL = $tweet->entities->urls[0]->display_url;
+                $extTitle = $tweet->entities->urls[0]->title;
+                $extDesc = $tweet->entities->urls[0]->description;
+                if (isset($tweet->entities->urls[0]->images)) {
+                    $extMediaOrig = $tweet->entities->urls[0]->images[0]->url;
+                    $extMediaScaled = $tweet->entities->urls[0]->images[1]->url;
+                } else {
+                    $extMediaOrig = '';
+                    $extMediaScaled = '';
+                }
+            }
+
             // Generate Avatar HTML block
             $picture_html = '';
             if (!$hideProfilePic && isset($this->item['avatar'])) {
@@ -487,6 +505,7 @@ EOD;
             // Generate media HTML block
             $media_html = '';
             $quoted_media_html = '';
+            $ext_media_html = '';
             if (!$hideImages) {
                 if (isset($tweet->attachments->media_keys)) {
                     Debug::log('Generating HTML for tweet media');
@@ -496,6 +515,17 @@ EOD;
                     Debug::log('Generating HTML for quoted tweet media');
                     $quoted_media_html = $this->createTweetMediaHTML($quotedTweet, $includesMedia, $retweetedMedia);
                 }
+                if (isset($extURL)) {
+                    Debug::log('Generating HTML for external link media');
+                    if ($this->getInput('noimgscaling')) {
+                        $extMediaURL = $extMediaOrig;
+                    } else {
+                        $extMediaURL = $extMediaScaled;
+                    }
+                    $ext_media_html = <<<EOD
+<a href="$extURL"><img referrerpolicy="no-referrer" src="$extMediaURL" /></a>
+EOD;
+                }
             }
 
             // Generate the HTML for Item content
@@ -514,8 +544,8 @@ EOD;
             if (isset($quotedTweet)) {
                 $quotedTweetURI = self::URI . $quotedUser->username . '/status/' . $quotedTweet->id;
                 $quote_html = <<<QUOTE
-<div style="display: table; border-style: solid; border-width: 1px; 
-	border-radius: 5px; padding: 5px;">
+<div style="display: table; border-style: solid; border-width: 1px; border-radius: 5px; padding: 5px;">
+									
 	<p><b>$quotedUser->name</b> @$quotedUser->username · 
 	<a href="$quotedTweetURI">$quotedTweet->created_at</a></p>
 	$cleanedQuotedTweet
@@ -525,6 +555,20 @@ QUOTE;
                 $this->item['content'] .= $quote_html;
             }
 
+            // Add External Link HTML, if relevant
+            if (isset($extURL)) {
+                Debug::log('Adding HTML for external link');
+                $ext_html = <<<EXTERNAL
+<div style="display: table; border-style: solid; border-width: 1px; border-radius: 5px; padding: 5px;">
+    $ext_media_html<br>
+    <a href="$extURL">$extDisplayURL</a><br>
+    <b>$extTitle</b><br>
+    $extDesc
+</div>
+EXTERNAL;
+                $this->item['content'] .= $ext_html;
+            }
+
             $this->item['content'] = htmlspecialchars_decode($this->item['content'], ENT_QUOTES);
 
             // Add current Item to Items array