From 2cb0027f5690fe11aee973782283d0c4b2c0749a Mon Sep 17 00:00:00 2001
From: gudzpoz <gudzpoz@live.com>
Date: Tue, 14 Nov 2023 10:52:34 +0800
Subject: [PATCH] Pass emojis in remote mastodon posts in mastodon api

---
 src/Content/Text/BBCode.php         | 14 +++++++++-----
 src/Factory/Api/Mastodon/Emoji.php  | 17 +++++++++++++----
 src/Factory/Api/Mastodon/Status.php |  4 ++++
 3 files changed, 26 insertions(+), 9 deletions(-)

diff --git a/src/Content/Text/BBCode.php b/src/Content/Text/BBCode.php
index 88df9511d4..fab4fba023 100644
--- a/src/Content/Text/BBCode.php
+++ b/src/Content/Text/BBCode.php
@@ -1234,7 +1234,7 @@ class BBCode
 	}
 
 	/**
-	 * Expand Youtube and Vimeo links to 
+	 * Expand Youtube and Vimeo links to
 	 *
 	 * @param string $text
 	 * @return string
@@ -1387,7 +1387,7 @@ class BBCode
 					"\n[hr]", "[hr]\n", " [hr]", "[hr] ",
 					"\n[attachment ", " [attachment ", "\n[/attachment]", "[/attachment]\n", " [/attachment]", "[/attachment] ",
 					"[table]\n", "[table] ", " [table]", "\n[/table]", " [/table]", "[/table] ",
-					" \n", "\t\n", "[/li]\n", "\n[li]", "\n[*]", 
+					" \n", "\t\n", "[/li]\n", "\n[li]", "\n[*]",
 				];
 				$replace = [
 					"[th]", "[th]", "[th]", "[/th]", "[/th]", "[/th]",
@@ -1480,14 +1480,14 @@ class BBCode
 				if ($simple_html == self::INTERNAL) {
 					//Ensure to always start with <h4> if possible
 					$heading_count = 0;
-					for ($level = 6; $level > 0; $level--) { 
+					for ($level = 6; $level > 0; $level--) {
 						if (preg_match("(\[h$level\].*?\[\/h$level\])ism", $text)) {
 							$heading_count++;
 						}
 					}
 					if ($heading_count > 0) {
 						$heading = min($heading_count + 3, 6);
-						for ($level = 6; $level > 0; $level--) { 
+						for ($level = 6; $level > 0; $level--) {
 							if (preg_match("(\[h$level\].*?\[\/h$level\])ism", $text)) {
 								$text = preg_replace("(\[h$level\](.*?)\[\/h$level\])ism", "</p><h$heading>$1</h$heading><p>", $text);
 								$heading--;
@@ -1548,7 +1548,11 @@ class BBCode
 				$text = preg_replace("(\[style=(.*?)\](.*?)\[\/style\])ism", '<span style="$1">$2</span>', $text);
 
 				// Mastodon Emoji (internal tag, do not document for users)
-				$text = preg_replace("(\[emoji=(.*?)](.*?)\[/emoji])ism", '<span class="mastodon emoji"><img src="$1" alt="$2" title="$2"/></span>', $text);
+				if ($simple_html == self::MASTODON_API) {
+					$text = preg_replace("(\[emoji=(.*?)](.*?)\[/emoji])ism", '$2', $text);
+				} else {
+					$text = preg_replace("(\[emoji=(.*?)](.*?)\[/emoji])ism", '<span class="mastodon emoji"><img src="$1" alt="$2" title="$2"/></span>', $text);
+				}
 
 				// Check for CSS classes
 				// @deprecated since 2021.12, left for backward-compatibility reasons
diff --git a/src/Factory/Api/Mastodon/Emoji.php b/src/Factory/Api/Mastodon/Emoji.php
index b7f4ee6ead..712bddb48d 100644
--- a/src/Factory/Api/Mastodon/Emoji.php
+++ b/src/Factory/Api/Mastodon/Emoji.php
@@ -34,19 +34,28 @@ class Emoji extends BaseFactory
 	/**
 	 * Creates an emoji collection from shortcode => image mappings.
 	 *
+	 * Only emojis with shortcodes of the form of ':shortcode:' are passed in the collection.
+	 *
 	 * @param array $smilies
+	 * @param bool  $extract_url
 	 *
 	 * @return Emojis
 	 */
-	public function createCollectionFromArray(array $smilies): Emojis
+	public function createCollectionFromArray(array $smilies, bool $extract_url = true): Emojis
 	{
 		$prototype = null;
 
 		$emojis = [];
 
-		foreach ($smilies as $shortcode => $icon) {
-			if (preg_match('/src="(.+?)"/', $icon, $matches)) {
-				$url = $matches[1];
+		foreach ($smilies as $shortcode => $url) {
+			if (substr($shortcode, 0, 1) == ':' && substr($shortcode, -1) == ':') {
+				if ($extract_url) {
+					if (preg_match('/src="(.+?)"/', $url, $matches)) {
+						$url = $matches[1];
+					} else {
+						continue;
+					}
+				}
 				$shortcode = trim($shortcode, ':');
 
 				if ($prototype === null) {
diff --git a/src/Factory/Api/Mastodon/Status.php b/src/Factory/Api/Mastodon/Status.php
index 4cdc8a78fc..fb73432f03 100644
--- a/src/Factory/Api/Mastodon/Status.php
+++ b/src/Factory/Api/Mastodon/Status.php
@@ -292,6 +292,10 @@ class Status extends BaseFactory
 		if (DI::baseUrl()->isLocalUrl($item['uri'])) {
 			$used_smilies = Smilies::extractUsedSmilies($item['body'] ?: $item['raw-body']);
 			$emojis = $this->mstdnEmojiFactory->createCollectionFromArray($used_smilies)->getArrayCopy(true);
+		} else {
+			if (preg_match_all("(\[emoji=(.*?)](.*?)\[/emoji])ism", $item['body'] ?: $item['raw-body'], $matches)) {
+				$emojis = $this->mstdnEmojiFactory->createCollectionFromArray(array_combine($matches[2], $matches[1]), false)->getArrayCopy(true);
+			}
 		}
 
 		if ($is_reshare) {