directlink - file extension in capital letters is not valid

[rEnr3n]

$ gallery-dl -Kv https://post-phinf.pstatic.net/MjAxOTA1MjlfMTQ4/MDAxNTU5MTI2NjcyNTkw.JUzkGb4V6dj9DXjLclrOoqR64uDxHFUO5KDriRdKpGwg.88mCtd4iT1NHlpVKSCaUpPmZPiDgT8hmQdQ5K_gYyu0g.JPEG/2.JPG
[gallery-dl][debug] Version 1.8.5
[gallery-dl][debug] Python 3.7.3 - Linux-5.1.5-arch1-2-ARCH-x86_64-with-arch
[gallery-dl][debug] requests 2.22.0 - urllib3 1.25.3
[gallery-dl][debug] Starting KeywordJob for 'https://post-phinf.pstatic.net/MjAxOTA1MjlfMTQ4/MDAxNTU5MTI2NjcyNTkw.JUzkGb4V6dj9DXjLclrOoqR64uDxHFUO5KDriRdKpGwg.88mCtd4iT1NHlpVKSCaUpPmZPiDgT8hmQdQ5K_gYyu0g.JPEG/2.JPG'
[gallery-dl][debug] updating default urllib3 ciphers
[gallery-dl][error] No suitable extractor found for 'https://post-phinf.pstatic.net/MjAxOTA1MjlfMTQ4/MDAxNTU5MTI2NjcyNTkw.JUzkGb4V6dj9DXjLclrOoqR64uDxHFUO5KDriRdKpGwg.88mCtd4iT1NHlpVKSCaUpPmZPiDgT8hmQdQ5K_gYyu0g.JPEG/2.JPG'

$ gallery-dl -Kv https://post-phinf.pstatic.net/MjAxOTA1MjlfMTQ4/MDAxNTU5MTI2NjcyNTkw.JUzkGb4V6dj9DXjLclrOoqR64uDxHFUO5KDriRdKpGwg.88mCtd4iT1NHlpVKSCaUpPmZPiDgT8hmQdQ5K_gYyu0g.JPEG/2.jpg
[gallery-dl][debug] Version 1.8.5
[gallery-dl][debug] Python 3.7.3 - Linux-5.1.5-arch1-2-ARCH-x86_64-with-arch
[gallery-dl][debug] requests 2.22.0 - urllib3 1.25.3
[gallery-dl][debug] Starting KeywordJob for 'https://post-phinf.pstatic.net/MjAxOTA1MjlfMTQ4/MDAxNTU5MTI2NjcyNTkw.JUzkGb4V6dj9DXjLclrOoqR64uDxHFUO5KDriRdKpGwg.88mCtd4iT1NHlpVKSCaUpPmZPiDgT8hmQdQ5K_gYyu0g.JPEG/2.jpg'
[gallery-dl][debug] updating default urllib3 ciphers
[directlink][debug] Using DirectlinkExtractor for 'https://post-phinf.pstatic.net/MjAxOTA1MjlfMTQ4/MDAxNTU5MTI2NjcyNTkw.JUzkGb4V6dj9DXjLclrOoqR64uDxHFUO5KDriRdKpGwg.88mCtd4iT1NHlpVKSCaUpPmZPiDgT8hmQdQ5K_gYyu0g.JPEG/2.jpg'
Keywords for directory names:
-----------------------------
category
  directlink
domain
  post-phinf.pstatic.net
extension
  jpg
filename
  2
fragment
  None
path
  MjAxOTA1MjlfMTQ4/MDAxNTU5MTI2NjcyNTkw.JUzkGb4V6dj9DXjLclrOoqR64uDxHFUO5KDriRdKpGwg.88mCtd4iT1NHlpVKSCaUpPmZPiDgT8hmQdQ5K_gYyu0g.JPEG/2.jpg
query
  None
subcategory


Keywords for filenames and --filter:
------------------------------------
category
  directlink
domain
  post-phinf.pstatic.net
extension
  jpg
filename
  2
fragment
  None
path
  MjAxOTA1MjlfMTQ4/MDAxNTU5MTI2NjcyNTkw.JUzkGb4V6dj9DXjLclrOoqR64uDxHFUO5KDriRdKpGwg.88mCtd4iT1NHlpVKSCaUpPmZPiDgT8hmQdQ5K_gYyu0g.JPEG/2.jpg
query
  None
subcategory

Source: https://post.naver.com/viewer/postView.nhn?volumeNo=20589901&memberNo=29747755