From 21354c783df8738b488e3753d3506909775d78e5 Mon Sep 17 00:00:00 2001
From: Isaac <>
Date: Wed, 13 Dec 2023 23:28:40 +0400
Subject: [PATCH] Limit possible lottie parameters

---
 .../Sources/AnimatedStickerFrameSource.swift                 | 4 ++--
 submodules/rlottie/LottieInstance.mm                         | 5 +++++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/submodules/AnimatedStickerNode/Sources/AnimatedStickerFrameSource.swift b/submodules/AnimatedStickerNode/Sources/AnimatedStickerFrameSource.swift
index 9d815f9921..81aae9de5b 100644
--- a/submodules/AnimatedStickerNode/Sources/AnimatedStickerFrameSource.swift
+++ b/submodules/AnimatedStickerNode/Sources/AnimatedStickerFrameSource.swift
@@ -592,9 +592,9 @@ public final class AnimatedStickerDirectFrameSource: AnimatedStickerFrameSource
             return nil
         }
         self.animation = animation
-        let frameCount = Int(animation.frameCount)
+        let frameCount = max(1, Int(animation.frameCount))
         self.frameCount = frameCount
-        self.frameRate = Int(animation.frameRate)
+        self.frameRate = max(1, Int(animation.frameRate))
         
         self.cache = cachePathPrefix.flatMap { cachePathPrefix in
             AnimatedStickerDirectFrameSourceCache(queue: queue, pathPrefix: cachePathPrefix, width: width, height: height, frameCount: frameCount, fitzModifier: fitzModifier, useHardware: useMetalCache)
diff --git a/submodules/rlottie/LottieInstance.mm b/submodules/rlottie/LottieInstance.mm
index 1d40bc2aab..4989491f50 100755
--- a/submodules/rlottie/LottieInstance.mm
+++ b/submodules/rlottie/LottieInstance.mm
@@ -49,7 +49,9 @@
         }
         
         _frameCount = (int32_t)_animation->totalFrame();
+        _frameCount = MAX(1, _frameCount);
         _frameRate = (int32_t)_animation->frameRate();
+        _frameRate = MAX(1, _frameRate);
         
         size_t width = 0;
         size_t height = 0;
@@ -59,6 +61,9 @@
             return nil;
         }
         
+        width = MAX(1, width);
+        height = MAX(1, height);
+        
         _dimensions = CGSizeMake(width, height);
         
         if ((_frameRate > 360) || _animation->duration() > 9.0) {