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Fixes #2486 - Unable to process email on CentOS with large images but only 1px height.

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This commit is contained in:
Martin Edenhofer 2019-02-22 08:22:52 +01:00 committed by Thorsten Eckel
parent 6d7480ab3f
commit 43d2418377
7 changed files with 138 additions and 6 deletions
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20
app/models/store.rb
View file

@ -51,11 +51,12 @@ returns
data.delete('object')
data['preferences'] ||= {}
resizable = false
['Mime-Type', 'Content-Type', 'mime_type', 'content_type'].each do |key|
next if data['preferences'][key].blank?
next if !data['preferences'][key].match(%r{image/(jpeg|jpg|png)}i)
data['preferences']['resizable'] = true
resizable = true
break
end
@ -63,14 +64,18 @@ returns
store = Store.create!(data)
begin
if store.preferences[:resizable] == true
if resizable
if store.content_preview(silence: true)
store.preferences[:resizable] = true
store.preferences[:content_preview] = true
end
if store.content_inline(silence: true)
store.preferences[:resizable] = true
store.preferences[:content_inline] = true
end
store.save!
if store.preferences[:resizable]
store.save!
end
end
rescue => e
logger.error e
@ -291,7 +296,14 @@ returns
temp_file.write(content)
temp_file.close
image = Rszr::Image.load(temp_file.path)
return if image.width < width
# do not resize image if image is smaller or already same size
return if image.width <= width
# do not resize image if new height is smaller then 7px (images
# with small height are usally usefull to resize)
ratio = image.width / width
return if image.height / ratio <= 6
image.resize!(width, :auto)
temp_file_resize = ::Tempfile.new.path

15
spec/models/channel/email_parser_spec.rb
View file

@ -192,5 +192,20 @@ RSpec.describe Channel::EmailParser, type: :model do
end
end
end
context 'when mail contains image(s)' do
# see https://github.com/zammad/zammad/issues/2486
context 'when image is large but not resizable' do
let(:mail_file) { Rails.root.join('test', 'data', 'mail', 'mail079.box') }
it "doesn't set resizable preference" do
_ticket, article = described_class.new.process({}, raw_mail)
attachment = article.attachments.last
expect(attachment.filename).to eq('a.jpg')
expect(attachment.preferences).not_to include('resizable' => true)
end
end
end
end
end

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test/data/image/8000x300.jpg Normal file
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57
test/data/mail/mail079.box Normal file
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@ -0,0 +1,57 @@
Return-Path: <me@example.com>
X-Original-To: me@example.net
Delivered-To: martin@example.de
Received: from mx2.example.com (mx2.example.com [127.0.0.1])
by base.example.de (Postfix) with ESMTPS id 69D861E933
for <me@example.net>; Wed, 20 Feb 2019 19:49:59 +0100 (CET)
From: Martin Smith <me@example.com>
Content-Type: multipart/alternative;
boundary="Apple-Mail=_E3889AFD-C5DA-47A3-86E6-3E59CB07002D"
Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\))
Subject: image resize test
Message-Id: <3271C0D7-9FD0-4E93-925E-87B139DB6FBF@example.com>
Date: Wed, 20 Feb 2019 19:50:00 +0100
To: Martin Smith <me@example.net>
--Apple-Mail=_E3889AFD-C5DA-47A3-86E6-3E59CB07002D
Content-Transfer-Encoding: 7bit
Content-Type: text/plain;
charset=us-ascii
image resize test
the end
--Apple-Mail=_E3889AFD-C5DA-47A3-86E6-3E59CB07002D
Content-Type: multipart/related;
type="text/html";
boundary="Apple-Mail=_113961F0-41B5-43D3-BF74-8B0DE1B757A4"
--Apple-Mail=_113961F0-41B5-43D3-BF74-8B0DE1B757A4
Content-Transfer-Encoding: 7bit
Content-Type: text/html;
charset=us-ascii
<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">image resize test<div class=""><br class=""></div><div class=""><img apple-inline="yes" id="C94B1FA1-618C-40E3-B731-892907FF8AB3" src="cid:5EF92182-3261-44C7-9835-E8A922AB4976@openvpn" class=""></div><div class=""><br class=""></div><div class="">the end</div></body></html>
--Apple-Mail=_113961F0-41B5-43D3-BF74-8B0DE1B757A4
Content-Transfer-Encoding: base64
Content-Disposition: inline;
filename=a.jpg
Content-Type: image/jpeg;
x-unix-mode=0600;
name="a.jpg"
Content-Id: <5EF92182-3261-44C7-9835-E8A922AB4976@openvpn>
/9j/4AAQSkZJRgABAQEAYABgAAD/2wBDAAoHBwgHBgoICAgLCgoLDhgQDg0NDh0VFhEYIx8lJCIf
IiEmKzcvJik0KSEiMEExNDk7Pj4+JS5ESUM8SDc9Pjv/wAALCAABAlgBAREA/8QAHwAAAQUBAQEB
AQEAAAAAAAAAAAECAwQFBgcICQoL/8QAtRAAAgEDAwIEAwUFBAQAAAF9AQIDAAQRBRIhMUEGE1Fh
ByJxFDKBkaEII0KxwRVS0fAkM2JyggkKFhcYGRolJicoKSo0NTY3ODk6Q0RFRkdISUpTVFVWV1hZ
WmNkZWZnaGlqc3R1dnd4eXqDhIWGh4iJipKTlJWWl5iZmqKjpKWmp6ipqrKztLW2t7i5usLDxMXG
x8jJytLT1NXW19jZ2uHi4+Tl5ufo6erx8vP09fb3+Pn6/9oACAEBAAA/APZKKKKKKKKKKKKKKKKK
KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK//2Q==
--Apple-Mail=_113961F0-41B5-43D3-BF74-8B0DE1B757A4--
--Apple-Mail=_E3889AFD-C5DA-47A3-86E6-3E59CB07002D--

52
test/unit/store_test.rb
View file

@ -248,7 +248,7 @@ class StoreTest < ActiveSupport::TestCase
image = Rszr::Image.load(temp_file)
assert_equal(image.width, 200)
# possible (now preview or inline needed)
# no preview or inline needed
store = Store.add(
object: 'SomeObject5',
o_id: rand(1_234_567_890),
@ -260,7 +260,7 @@ class StoreTest < ActiveSupport::TestCase
},
created_by_id: 1,
)
assert_equal(store.preferences[:resizable], true)
assert_nil(store.preferences[:resizable])
assert_nil(store.preferences[:content_inline])
assert_nil(store.preferences[:content_preview])
assert_raises(RuntimeError) do
@ -270,5 +270,53 @@ class StoreTest < ActiveSupport::TestCase
store.content_preview
end
# no preview or inline needed
store = Store.add(
object: 'SomeObject6',
o_id: rand(1_234_567_890),
data: File.binread(Rails.root.join('test', 'data', 'image', '4000x1.jpg')),
filename: 'test1.jpg',
preferences: {
content_type: 'image/jpg',
content_id: 234,
},
created_by_id: 1,
)
assert_nil(store.preferences[:resizable])
assert_nil(store.preferences[:content_inline])
assert_nil(store.preferences[:content_preview])
# possible (no preview or inline needed)
store = Store.add(
object: 'SomeObject7',
o_id: rand(1_234_567_890),
data: File.binread(Rails.root.join('test', 'data', 'image', '8000x25.jpg')),
filename: 'test1.jpg',
preferences: {
content_type: 'image/jpg',
content_id: 234,
},
created_by_id: 1,
)
assert_nil(store.preferences[:resizable])
assert_nil(store.preferences[:content_inline])
assert_nil(store.preferences[:content_preview])
# possible (preview and inline)
store = Store.add(
object: 'SomeObject8',
o_id: rand(1_234_567_890),
data: File.binread(Rails.root.join('test', 'data', 'image', '8000x300.jpg')),
filename: 'test1.jpg',
preferences: {
content_type: 'image/jpg',
content_id: 234,
},
created_by_id: 1,
)
assert_equal(store.preferences[:resizable], true)
assert_equal(store.preferences[:content_inline], true)
assert_equal(store.preferences[:content_preview], true)
end
end