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Commit 15fc7bd6 authored by Douwe Maan's avatar Douwe Maan
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No HTML-only email please

parent 3abb356d
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lib/gitlab/email/html_cleaner.rb deleted 100644 → 0
View file @ 3abb356d
# Taken mostly from Discourse's Email::HtmlCleaner
module Gitlab
module Email
# HtmlCleaner cleans up the extremely dirty HTML that many email clients
# generate by stripping out any excess divs or spans, removing styling in
# the process (which also makes the html more suitable to be parsed as
# Markdown).
class HtmlCleaner
# Elements to hoist all children out of
HTML_HOIST_ELEMENTS = %w(div span font table tbody th tr td)
# Node types to always delete
HTML_DELETE_ELEMENT_TYPES = [
Nokogiri::XML::Node::DTD_NODE,
Nokogiri::XML::Node::COMMENT_NODE,
]
# Private variables:
# @doc - nokogiri document
# @out - same as @doc, but only if trimming has occured
def initialize(html)
if html.is_a?(String)
@doc = Nokogiri::HTML(html)
else
@doc = html
end
end
class << self
# HtmlCleaner.trim(inp, opts={})
#
# Arguments:
# inp - Either a HTML string or a Nokogiri document.
# Options:
# :return => :doc, :string
# Specify the desired return type.
# Defaults to the type of the input.
# A value of :string is equivalent to calling get_document_text()
# on the returned document.
def trim(inp, opts={})
cleaner = HtmlCleaner.new(inp)
opts[:return] ||= (inp.is_a?(String) ? :string : :doc)
if opts[:return] == :string
cleaner.output_html
else
cleaner.output_document
end
end
# HtmlCleaner.get_document_text(doc)
#
# Get the body portion of the document, including html, as a string.
def get_document_text(doc)
body = doc.xpath('//body')
if body
body.inner_html
else
doc.inner_html
end
end
end
def output_document
@out ||= begin
doc = @doc
trim_process_node doc
add_newlines doc
doc
end
end
def output_html
HtmlCleaner.get_document_text(output_document)
end
private
def add_newlines(doc)
# Replace <br> tags with a markdown \n
doc.xpath('//br').each do |br|
br.replace(new_linebreak_node doc, 2)
end
# Surround <p> tags with newlines, to help with line-wise postprocessing
# and ensure markdown paragraphs
doc.xpath('//p').each do |p|
p.before(new_linebreak_node doc)
p.after(new_linebreak_node doc, 2)
end
end
def new_linebreak_node(doc, count=1)
Nokogiri::XML::Text.new("\n" * count, doc)
end
def trim_process_node(node)
if should_hoist?(node)
hoisted = trim_hoist_element node
hoisted.each { |child| trim_process_node child }
elsif should_delete?(node)
node.remove
else
if children = node.children
children.each { |child| trim_process_node child }
end
end
node
end
def trim_hoist_element(element)
hoisted = []
element.children.each do |child|
element.before(child)
hoisted << child
end
element.remove
hoisted
end
def should_hoist?(node)
return false unless node.element?
HTML_HOIST_ELEMENTS.include? node.name
end
def should_delete?(node)
return true if HTML_DELETE_ELEMENT_TYPES.include? node.type
return true if node.element? && node.name == 'head'
return true if node.text? && node.text.strip.blank?
false
end
end
end
end
lib/gitlab/email/reply_parser.rb
View file @ 15fc7bd6
......@@ -23,31 +23,19 @@ module Gitlab
private
def select_body(message)
html = nil
text = nil
if message.multipart?
html = fix_charset(message.html_part)
text = fix_charset(message.text_part)
elsif message.content_type =~ /text\/html/
html = fix_charset(message)
end
text = message.text_part if message.multipart?
text ||= message if message.content_type !~ /text\/html/
# prefer plain text
return text if text
return "" unless text
if html
body = HtmlCleaner.new(html).output_html
else
body = fix_charset(message)
end
text = fix_charset(text)
# Certain trigger phrases that means we didn't parse correctly
if body =~ /(Content\-Type\:|multipart\/alternative|text\/plain)/
if text =~ /(Content\-Type\:|multipart\/alternative|text\/plain)/
return ""
end
body
text
end
# Force encoding to UTF-8 on a Mail::Message or Mail::Part
......
spec/fixtures/emails/html_only.eml deleted 100644 → 0
View file @ 3abb356d
Delivered-To: walter@breakingbad.com
Received: by 10.64.13.41 with SMTP id m9csp29769iec;
Thu, 20 Jun 2013 08:53:22 -0700 (PDT)
X-Received: by 10.252.23.9 with SMTP id p9mr4055675lag.4.1371743601980;
Thu, 20 Jun 2013 08:53:21 -0700 (PDT)
Received: from mail-la0-x229.google.com (mail-la0-x229.google.com [2a00:1450:4010:c03::229])
by mx.google.com with ESMTPS id u4si430203lae.48.2013.06.20.08.53.20
for <walter@breakingbad.com>
(version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128);
Thu, 20 Jun 2013 08:53:21 -0700 (PDT)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=google.com; s=20120113;
h=x-forwarded-to:x-forwarded-for:delivered-to:x-return-path
:content-type:mime-version:content-transfer-encoding:x-mailer
:message-id:date:subject:from:in-reply-to:to:resent-date:resent-from
:resent-to:resent-subject:resent-message-id:resent-user-agent
:x-scanned-by:x-gm-message-state;
bh=9O67r74ofh9WkEaKTRB/frQ3MKOtQlbCac2mz0/MiyY=;
b=YVAo2/JDMP53RxDmqDEKNcEMtggtfaVyq2DoseZ6vBAfB7G6NtHC9ZEkRs4oGhk6LU
fnyAPe0wnz5d9WINoMAuuTRIhplLxzcqysduSnAJAQ2qqR7mFBnlj9wJeVEKltNwmUME
nPwxsf8go20VBzrZCtECPedcLi60wbl32NCXVn0qwt2LvKiy6ktSS5Xgb4zY8i4dfXAP
6Y5gu32boooWIb9DkH1TJkn3C0RrEugNlw/DUnXrnkFefgxWF3pt/zcoW/wYRyikOdx+
smBClgR9my6QmsS2KsQrMvWJZUva7fddTiZ6FC22e4hW+8Wha0RaZOZu5O7hjg6G4/1g
IEyg==
X-Received: by 10.112.55.9 with SMTP id n9mr5916187lbp.5.1371743600857;
Thu, 20 Jun 2013 08:53:20 -0700 (PDT)
X-Forwarded-To: walter@breakingbad.com
X-Forwarded-For: walter@breakingbad.com
Delivered-To: walter@breakingbad.com
Content-Type: text/html; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
X-Mailer: BlackBerry Email (10.1.0.1720)
Message-ID: <20130619231548.6307981.74194.2379@breakingbad.com>
Date: Wed, 19 Jun 2013 19:15:48 -0400
Subject: Re: [Discourse Meta] [PM] re: Regarding your post in "Site
Customization not working"
From: aaron@breakingbad.com
In-Reply-To: <51c238655a394_5f4e3ce6690667bd@tiefighter2.mail>
To: reply+20c1b0a8bd1a63c0163cc7e7641ca06b@appmail.adventuretime.ooo
ReSent-Date: Thu, 20 Jun 2013 11:53:08 -0400 (EDT)
ReSent-From: Aaron <aaron@breakingbad.com>
ReSent-Subject: Re: [Discourse Meta] [PM] re: Regarding your post in "Site
Customization not working"
X-Gm-Message-State: ALoCoQl1BtN83rAX7At808XAPv1yCqUK3Du2IvK7eCyY3jsI77u4e5cak28307pYYHAo1JlO/Eu9
<html><head></head><body data-blackberry-caret-color=3D"#00a8df" style=3D"b=
ackground-color: rgb(255, 255, 255); line-height: initial;"><div id=3D"BB10=
_response_div" style=3D"width: 100%; font-size: initial; font-family: Calib=
ri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; =
background-color: rgb(255, 255, 255);">The EC2 instance - I've seen that th=
ere tends to be odd and unrecommended settings on the Bitnami installs that=
I've checked out.</div> =
=
<div id=3D"response_div_spacer" style=3D"width: 100%; font-size: ini=
tial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125=
); text-align: initial; background-color: rgb(255, 255, 255);"><br style=3D=
"display:initial"></div> =
=
<div id=3D"_signaturePlaceholder" style=3D"font-size: initial; font-=
family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-ali=
gn: initial; background-color: rgb(255, 255, 255);"></div> =
=
=
<table width=3D"100%" style=3D"background-color:white;bord=
er-spacing:0px;"> <tbody><tr><td id=3D"_persistentHeaderContainer" colspan=
=3D"2" style=3D"font-size: initial; text-align: initial; background-color: =
rgb(255, 255, 255);"> <div id=
=3D"_persistentHeader" style=3D"border-style: solid none none; border-top-c=
olor: rgb(181, 196, 223); border-top-width: 1pt; padding: 3pt 0in 0in; font=
-family: Tahoma, 'BB Alpha Sans', 'Slate Pro'; font-size: 10pt;"> <div><b>=
From: </b>Grizzly B via Discourse Meta</div><div><b>Sent: </b>Wednesday, J=
une 19, 2013 19:02</div><div><b>To: </b>aaron@breakingbad.com</div><div><b>=
Reply To: </b>Grizzly B via Discourse Meta</div><div><b>Subject: </b>[Disc=
ourse Meta] [PM] re: Regarding your post in "Site Customization<br> not wor=
king"</div></div></td></tr></tbody></table><div id=3D"_persistentHeaderEnd"=
style=3D"border-style: solid none none; border-top-color: rgb(186, 188, 20=
9); border-top-width: 1pt; font-size: initial; text-align: initial; backgro=
und-color: rgb(255, 255, 255);"></div><br><div id=3D"_originalContent" styl=
e=3D""><p>Grizzly B just sent you a private message</p>
<hr><p>Log in to our EC2 instance -or- log into a new Digital Ocean instanc=
e?</p>
<hr><p>Please visit this link to respond: <a href=3D"http://meta.discourse.=
org/t/regarding-your-post-in-site-customization-not-working/7641/5">http://=
meta.discourse.org/t/regarding-your-post-in-site-customization-not-working/=
7641/5</a></p>
<p>To unsubscribe from these emails, visit your <a href=3D"http://meta.disc=
ourse.org/user_preferences">user preferences</a>.</p>
<br><!--end of _originalContent --></div></body></html>
spec/fixtures/emails/plaintext_only.eml 0 → 100644
View file @ 15fc7bd6
Delivered-To: reply@discourse.org
Return-Path: <walter.white@googlemail.com>
MIME-Version: 1.0
From: <walter.white@googlemail.com>
To:
=?utf-8?Q?Discourse_Meta?=
<reply@discourse.org>
Subject:
=?utf-8?Q?Re:_[Discourse_Meta]_[Lounge]_Testing_default_email_replies?=
Importance: Normal
Date: Fri, 28 Nov 2014 21:29:10 +0000
In-Reply-To: <topic/22638/86406@meta.discourse.org>
References:
<topic/22638@meta.discourse.org>,<topic/22638/86406@meta.discourse.org>
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
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spec/lib/gitlab/email/reply_parser_spec.rb
View file @ 15fc7bd6
......@@ -19,9 +19,22 @@ describe Gitlab::Email::ReplyParser do
expect(test_parse_body(fixture_file("emails/no_content_reply.eml"))).to eq("")
end
it "can parse the html section" do
expect(test_parse_body(fixture_file("emails/html_only.eml"))).to eq("The EC2 instance - I've seen that there tends to be odd and " +
"unrecommended settings on the Bitnami installs that I've checked out.")
it "properly renders plaintext-only email" do
expect(test_parse_body(fixture_file("emails/plaintext_only.eml"))).
to eq(
<<-BODY.strip_heredoc.chomp
### reply from default mail client in Windows 8.1 Metro
The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog.
This is a **bold** word in Markdown
This is a link http://example.com
BODY
)
end
it "supports a Dutch reply" do
......
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