From: Michael <heluecht@pirati.ca>
Date: Thu, 8 Dec 2022 05:49:25 +0000 (+0000)
Subject: Issue 12345: No link preview on DFRN posts
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=7d51fa47d56402e8fffde7b9f61b027822e5e054;p=friendica.git

Issue 12345: No link preview on DFRN posts
---

diff --git a/src/Model/Item.php b/src/Model/Item.php
index 625567a3ca..0407af8f8e 100644
--- a/src/Model/Item.php
+++ b/src/Model/Item.php
@@ -220,7 +220,7 @@ class Item
 				$content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
 				$content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
 
-				Post\Media::insertFromRelevantUrl($item['uri-id'], $content_fields['raw-body']);
+				Post\Media::insertFromRelevantUrl($item['uri-id'], $content_fields['raw-body'], $fields['body'], $item['author-network']);
 				Post\Content::update($item['uri-id'], $content_fields);
 			}
 
@@ -1188,7 +1188,8 @@ class Item
 		$item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
 		$item['raw-body'] = self::setHashtags($item['raw-body']);
 
-		Post\Media::insertFromRelevantUrl($item['uri-id'], $item['raw-body']);
+		$author = Contact::getById($item['author-id'], ['network']);
+		Post\Media::insertFromRelevantUrl($item['uri-id'], $item['raw-body'], $item['body'], $author['network'] ?? '');
 
 		// Check for hashtags in the body and repair or add hashtag links
 		$item['body'] = self::setHashtags($item['body']);
diff --git a/src/Model/Post/Media.php b/src/Model/Post/Media.php
index d3d26a8511..28526b5b04 100644
--- a/src/Model/Post/Media.php
+++ b/src/Model/Post/Media.php
@@ -66,6 +66,7 @@ class Media
 	 * Insert a post-media record
 	 *
 	 * @param array $media
+	 * @param bool  $force
 	 * @return void
 	 */
 	public static function insert(array $media, bool $force = false)
@@ -229,20 +230,9 @@ class Media
 		}
 
 		if ($media['type'] == self::HTML) {
-			$data = ParseUrl::getSiteinfoCached($media['url'], false);
-			$media['preview'] = $data['images'][0]['src'] ?? null;
-			$media['preview-height'] = $data['images'][0]['height'] ?? null;
-			$media['preview-width'] = $data['images'][0]['width'] ?? null;
-			$media['blurhash'] = $data['images'][0]['blurhash'] ?? null;
-			$media['description'] = $data['text'] ?? null;
-			$media['name'] = $data['title'] ?? null;
-			$media['author-url'] = $data['author_url'] ?? null;
-			$media['author-name'] = $data['author_name'] ?? null;
-			$media['author-image'] = $data['author_img'] ?? null;
-			$media['publisher-url'] = $data['publisher_url'] ?? null;
-			$media['publisher-name'] = $data['publisher_name'] ?? null;
-			$media['publisher-image'] = $data['publisher_img'] ?? null;
+			$media = self::addPage($media);
 		}
+
 		return $media;
 	}
 
@@ -345,6 +335,31 @@ class Media
 		return $media;
 	}
 
+	/**
+	 * Add page infos for HTML entries
+	 *
+	 * @param array $media
+	 * @return array
+	 */
+	private static function addPage(array $media): array
+	{
+		$data = ParseUrl::getSiteinfoCached($media['url'], false);
+		$media['preview'] = $data['images'][0]['src'] ?? null;
+		$media['preview-height'] = $data['images'][0]['height'] ?? null;
+		$media['preview-width'] = $data['images'][0]['width'] ?? null;
+		$media['blurhash'] = $data['images'][0]['blurhash'] ?? null;
+		$media['description'] = $data['text'] ?? null;
+		$media['name'] = $data['title'] ?? null;
+		$media['author-url'] = $data['author_url'] ?? null;
+		$media['author-name'] = $data['author_name'] ?? null;
+		$media['author-image'] = $data['author_img'] ?? null;
+		$media['publisher-url'] = $data['publisher_url'] ?? null;
+		$media['publisher-name'] = $data['publisher_name'] ?? null;
+		$media['publisher-image'] = $data['publisher_img'] ?? null;
+
+		return $media;
+	}
+
 	/**
 	 * Fetch media data from local resources
 	 * @param array $media
@@ -543,7 +558,7 @@ class Media
 	 * @param string $body
 	 * @return void
 	 */
-	public static function insertFromRelevantUrl(int $uriid, string $body)
+	public static function insertFromRelevantUrl(int $uriid, string $body, string $fullbody, string $network)
 	{
 		// Remove all hashtags and mentions
 		$body = preg_replace("/([#@!])\[url\=(.*?)\](.*?)\[\/url\]/ism", '', $body);
@@ -552,7 +567,10 @@ class Media
 		if (preg_match_all("/\[url\](https?:.*?)\[\/url\]/ism", $body, $matches)) {
 			foreach ($matches[1] as $url) {
 				Logger::info('Got page url (link without description)', ['uri-id' => $uriid, 'url' => $url]);
-				self::insert(['uri-id' => $uriid, 'type' => self::UNKNOWN, 'url' => $url]);
+				self::insert(['uri-id' => $uriid, 'type' => self::UNKNOWN, 'url' => $url], false, $network);
+				if ($network == Protocol::DFRN) {
+					self::revertHTMLType($uriid, $url, $fullbody);
+				}
 			}
 		}
 
@@ -560,11 +578,31 @@ class Media
 		if (preg_match_all("/\[url\=(https?:.*?)\].*?\[\/url\]/ism", $body, $matches)) {
 			foreach ($matches[1] as $url) {
 				Logger::info('Got page url (link with description)', ['uri-id' => $uriid, 'url' => $url]);
-				self::insert(['uri-id' => $uriid, 'type' => self::UNKNOWN, 'url' => $url]);
+				self::insert(['uri-id' => $uriid, 'type' => self::UNKNOWN, 'url' => $url], false, $network);
+				if ($network == Protocol::DFRN) {
+					self::revertHTMLType($uriid, $url, $fullbody);
+				}
 			}
 		}
 	}
 
+	/**
+	 * Revert the media type of links to UNKNOWN for DFRN posts when they aren't attached
+	 *
+	 * @param integer $uriid
+	 * @param string $url
+	 * @param string $body
+	 * @return void
+	 */
+	private static function revertHTMLType(int $uriid, string $url, string $body)
+	{
+		$attachment = BBCode::getAttachmentData($body);
+		if (!empty($attachment['url']) && Network::getUrlMatch($attachment['url'], $url)) {
+			return;
+		}
+		DBA::update('post-media', ['type' => self::UNKNOWN], ['uri-id' => $uriid, 'type' => self::HTML, 'url' => $url]);
+	}
+
 	/**
 	 * Add media links from the attachment field
 	 *
@@ -633,7 +671,7 @@ class Media
 	 */
 	public static function getByURIId(int $uri_id, array $types = [])
 	{
-		$condition = ['uri-id' => $uri_id];
+		$condition = ["`uri-id` = ? AND `type` != ?", $uri_id, self::UNKNOWN];
 
 		if (!empty($types)) {
 			$condition = DBA::mergeConditions($condition, ['type' => $types]);
@@ -652,7 +690,7 @@ class Media
 	 */
 	public static function existsByURIId(int $uri_id, array $types = []): bool
 	{
-		$condition = ['uri-id' => $uri_id];
+		$condition = ["`uri-id` = ? AND `type` != ?", $uri_id, self::UNKNOWN];
 
 		if (!empty($types)) {
 			$condition = DBA::mergeConditions($condition, ['type' => $types]);
diff --git a/src/Object/Image.php b/src/Object/Image.php
index c798f250ed..06498f963f 100644
--- a/src/Object/Image.php
+++ b/src/Object/Image.php
@@ -734,6 +734,9 @@ class Image
 	public function getBlurHash(): string
 	{
 		$image = New Image($this->asString());
+		if (empty($image)) {
+			return '';
+		}
 
 		$width = $image->getWidth();
 		$height = $image->getHeight();
@@ -749,7 +752,11 @@ class Image
 			$row = [];
 			for ($x = 0; $x < $width; ++$x) {
 				if ($image->isImagick()) {
-					$colors = $image->image->getImagePixelColor($x, $y)->getColor();
+					try {
+						$colors = $image->image->getImagePixelColor($x, $y)->getColor();
+					} catch (\Throwable $th) {
+						return '';
+					}
 					$row[] = [$colors['r'], $colors['g'], $colors['b']];
 				} else {
 					$index = imagecolorat($image->image, $x, $y);
diff --git a/src/Protocol/DFRN.php b/src/Protocol/DFRN.php
index 92f3e81545..9900708ed0 100644
--- a/src/Protocol/DFRN.php
+++ b/src/Protocol/DFRN.php
@@ -711,7 +711,7 @@ class DFRN
 	 */
 	private static function getAttachment($doc, $root, array $item)
 	{
-		foreach (Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT, Post\Media::TORRENT, Post\Media::UNKNOWN]) as $attachment) {
+		foreach (Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT, Post\Media::TORRENT]) as $attachment) {
 			$attributes = ['rel' => 'enclosure',
 				'href' => $attachment['url'],
 				'type' => $attachment['mimetype']];
diff --git a/src/Protocol/Diaspora.php b/src/Protocol/Diaspora.php
index bb955dca1e..3c60f4041b 100644
--- a/src/Protocol/Diaspora.php
+++ b/src/Protocol/Diaspora.php
@@ -499,7 +499,7 @@ class Diaspora
 		}
 
 		if (!($fields = self::validPosting($msg))) {
-			Logger::warning('Invalid posting');
+			Logger::warning('Invalid posting', ['msg' => $msg]);
 			return false;
 		}
 
@@ -534,7 +534,7 @@ class Diaspora
 		if (is_null($fields)) {
 			$private = true;
 			if (!($fields = self::validPosting($msg))) {
-				Logger::warning('Invalid posting');
+				Logger::warning('Invalid posting', ['msg' => $msg]);
 				return false;
 			}
 		} else {
@@ -3387,7 +3387,7 @@ class Diaspora
 				$body = '### ' . html_entity_decode($title) . "\n\n" . $body;
 			}
 
-			$attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT, Post\Media::TORRENT, Post\Media::UNKNOWN]);
+			$attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT, Post\Media::TORRENT]);
 			if (!empty($attachments)) {
 				$body .= "\n[hr]\n";
 				foreach ($attachments as $attachment) {
diff --git a/src/Protocol/OStatus.php b/src/Protocol/OStatus.php
index 06f849d1fc..ee9c015a9c 100644
--- a/src/Protocol/OStatus.php
+++ b/src/Protocol/OStatus.php
@@ -1186,7 +1186,7 @@ class OStatus
 			}
 		}
 
-		foreach (Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT, Post\Media::TORRENT, Post\Media::UNKNOWN]) as $attachment) {
+		foreach (Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT, Post\Media::TORRENT]) as $attachment) {
 			$attributes = ['rel' => 'enclosure',
 				'href' => $attachment['url'],
 				'type' => $attachment['mimetype']];