From 10587f48cbad42cb5ad9d544167a6b1eea4c060e Mon Sep 17 00:00:00 2001
From: Leeingnyo <dyd1928@naver.com>
Date: Sun, 15 May 2022 16:03:15 +0900
Subject: [PATCH] Implement is_supported_image_file

---
 src/library/types.cr | 10 ----------
 src/util/util.cr     | 14 ++++++++++++++
 2 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/src/library/types.cr b/src/library/types.cr
index 973aa5e..d6a014f 100644
--- a/src/library/types.cr
+++ b/src/library/types.cr
@@ -1,13 +1,3 @@
-SUPPORTED_IMG_TYPES = %w(
-  image/jpeg
-  image/png
-  image/webp
-  image/apng
-  image/avif
-  image/gif
-  image/svg+xml
-)
-
 enum SortMethod
   Auto
   Title
diff --git a/src/util/util.cr b/src/util/util.cr
index e7b1b1a..7d834fb 100644
--- a/src/util/util.cr
+++ b/src/util/util.cr
@@ -3,6 +3,16 @@ ENTRIES_IN_HOME_SECTIONS = 8
 UPLOAD_URL_PREFIX        = "/uploads"
 STATIC_DIRS              = %w(/css /js /img /webfonts /favicon.ico /robots.txt)
 SUPPORTED_FILE_EXTNAMES  = [".zip", ".cbz", ".rar", ".cbr"]
+SUPPORTED_IMG_TYPES = %w(
+  image/jpeg
+  image/png
+  image/webp
+  image/apng
+  image/avif
+  image/gif
+  image/svg+xml
+)
+
 
 def random_str
   UUID.random.to_s.gsub "-", ""
@@ -49,6 +59,10 @@ def is_supported_file(path)
   SUPPORTED_FILE_EXTNAMES.includes? File.extname(path).downcase
 end
 
+def is_supported_image_file(path)
+  SUPPORTED_IMG_TYPES.includes? MIME.from_filename? path
+end
+
 struct Int
   def or(other : Int)
     if self == 0