From: Philipp <admin@philipp.info>
Date: Sat, 21 May 2022 16:44:03 +0000 (+0200)
Subject: Fix unsupported animated webp parsing
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=783b05cbb19f190dd0acb9fbcaf440135826d82e;p=friendica.git

Fix unsupported animated webp parsing
---

diff --git a/src/Object/Image.php b/src/Object/Image.php
index 5cef75180b..2d62aea46c 100644
--- a/src/Object/Image.php
+++ b/src/Object/Image.php
@@ -159,15 +159,24 @@ class Image
 		}
 
 		$this->valid = false;
-		$this->image = @imagecreatefromstring($data);
-		if ($this->image !== false) {
-			$this->width  = imagesx($this->image);
-			$this->height = imagesy($this->image);
-			$this->valid  = true;
-			imagealphablending($this->image, false);
-			imagesavealpha($this->image, true);
-
-			return true;
+		try {
+			$this->image = @imagecreatefromstring($data);
+			if ($this->image !== false) {
+				$this->width  = imagesx($this->image);
+				$this->height = imagesy($this->image);
+				$this->valid  = true;
+				imagealphablending($this->image, false);
+				imagesavealpha($this->image, true);
+
+				return true;
+			}
+		} catch (\Throwable $error) {
+			/** @see https://github.com/php/doc-en/commit/d09a881a8e9059d11e756ee59d75bf404d6941ed */
+			if (strstr($error->getMessage(), "gd-webp cannot allocate temporary buffer")) {
+				DI::logger()->notice('Image is probably a kind of unsupported, animated GID', ['error' => $error]);
+			} else {
+				DI::logger()->warning('Unexpected throwable.', ['error' => $error]);
+			}
 		}
 
 		return false;