add a maximum RAM usage for images

2021-06-24 22:54:36 +02:00
parent 97b9bfb2bd
commit ed6ef0b98e
2 changed files with 13 additions and 0 deletions
@@ -405,6 +405,16 @@ void Image::actuallyLoad()
            QBuffer buffer(const_cast<QByteArray *>(&data));
            buffer.open(QIODevice::ReadOnly);
            QImageReader reader(&buffer);
+
+            if (reader.size().width() * reader.size().height() *
+                    reader.imageCount() * 4 >
+                Image::maxBytesRam)
+            {
+                qCDebug(chatterinoImage) << "image too large in RAM";
+
+                return Failure;
+            }
+
            auto parsed = detail::readFrames(reader, shared->url());

            postToThread(makeConvertCallback(parsed, [weak](auto frames) {