From ce1b94eb169bef3b0f90ec9397ebee602e28a998 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Fri, 5 Feb 2021 13:17:26 +0400
Subject: [PATCH] Send PDFs only as files.

Fixes #10294.
---
 Telegram/SourceFiles/storage/localimageloader.cpp      | 3 ++-
 Telegram/SourceFiles/storage/storage_media_prepare.cpp | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/Telegram/SourceFiles/storage/localimageloader.cpp b/Telegram/SourceFiles/storage/localimageloader.cpp
index bad70f0a6f..81038b9365 100644
--- a/Telegram/SourceFiles/storage/localimageloader.cpp
+++ b/Telegram/SourceFiles/storage/localimageloader.cpp
@@ -875,7 +875,8 @@ void FileLoadTask::process(Args &&args) {
 				}
 			} else if (isAnimation) {
 				attributes.push_back(MTP_documentAttributeAnimated());
-			} else if (_type != SendMediaType::File) {
+			} else if (filemime.startsWith(u"image/"_q)
+				&& _type != SendMediaType::File) {
 				auto medium = (w > 320 || h > 320) ? fullimage.scaled(320, 320, Qt::KeepAspectRatio, Qt::SmoothTransformation) : fullimage;
 				auto full = (w > 1280 || h > 1280) ? fullimage.scaled(1280, 1280, Qt::KeepAspectRatio, Qt::SmoothTransformation) : fullimage;
 				{
diff --git a/Telegram/SourceFiles/storage/storage_media_prepare.cpp b/Telegram/SourceFiles/storage/storage_media_prepare.cpp
index 23955072b1..b08b4d77db 100644
--- a/Telegram/SourceFiles/storage/storage_media_prepare.cpp
+++ b/Telegram/SourceFiles/storage/storage_media_prepare.cpp
@@ -40,7 +40,7 @@ bool ValidPhotoForAlbum(
 		const QString &mime) {
 	if (image.animated
 		|| Core::IsMimeSticker(mime)
-		|| (mime == u"application/pdf"_q)) {
+		|| !mime.startsWith(u"image/")) {
 		return false;
 	}
 	const auto width = image.data.width();