Sutty/trabajo-afectivo
5
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Fixed html sanitizer loop. Extended tests.

Browse source
This commit is contained in:
Martin Edenhofer 2017-04-26 08:38:46 +02:00
parent 75458be086
commit 0308d8fe2d
8 changed files with 2358 additions and 36 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
app/models/channel/filter/identify_sender.rb
View file

@ -126,8 +126,6 @@ module Channel::Filter::IdentifySender
end
def self.user_create(data)
# return existing
user = User.find_by(email: data[:email].downcase)
if !user
user = User.find_by(login: data[:email].downcase)
@ -137,10 +135,7 @@ module Channel::Filter::IdentifySender
if user
if user.firstname.blank? && user.lastname.blank?
if data[:firstname].present?
data[:firstname].strip!
data[:firstname].delete!('"')
data[:firstname].gsub!(/^'/, '')
data[:firstname].gsub!(/'$/, '')
data[:firstname] = cleanup_name(data[:firstname])
user.update_attributes(
firstname: data[:firstname]
)
@ -157,10 +152,7 @@ module Channel::Filter::IdentifySender
if data[item.to_sym].nil?
data[item.to_sym] = ''
end
data[item.to_sym].strip!
data[item.to_sym].delete!('"')
data[item.to_sym].gsub!(/^'/, '')
data[item.to_sym].gsub!(/'$/, '')
data[item.to_sym] = cleanup_name(data[item.to_sym])
}
data[:password] = ''
data[:active] = true
@ -176,4 +168,13 @@ module Channel::Filter::IdentifySender
user
end
def self.cleanup_name(string)
string.strip!
string.delete!('"')
string.gsub!(/^'/, '')
string.gsub!(/'$/, '')
string.gsub!(/.+?\s\(.+?\)$/, '')
string
end
end

21
lib/html_sanitizer.rb
View file

@ -38,7 +38,7 @@ satinize html string based on whiltelist
# replace tags, keep subtree
if !tags_whitelist.include?(node.name)
node.replace strict(node.children.to_s)
node.replace node.children.to_s
Loofah::Scrubber::STOP
end
@ -132,7 +132,7 @@ satinize html string based on whiltelist
# prepare links
if node['href']
href = cleanup_target(node['href'])
if external && !href.downcase.start_with?('//') && href.downcase !~ %r{^.{1,6}://.+?}
if external && href.present? && !href.downcase.start_with?('//') && href.downcase !~ %r{^.{1,6}://.+?}
node['href'] = "http://#{node['href']}"
href = node['href']
end
@ -145,9 +145,9 @@ satinize html string based on whiltelist
# check if href is different to text
if external && node.name == 'a' && !url_same?(node['href'], node.text)
if node['href'].blank?
node.replace strict(node.children.to_s)
node.replace node.children.to_s
Loofah::Scrubber::STOP
elsif node.children.empty? || node.children.first.class == Nokogiri::XML::Text
elsif (node.children.empty? || node.children.first.class == Nokogiri::XML::Text) && node.text.present?
text = Nokogiri::XML::Text.new("#{node['href']} (", node.document)
node.add_previous_sibling(text)
node['href'] = cleanup_target(node.text)
@ -178,7 +178,17 @@ satinize html string based on whiltelist
end
end
Loofah.fragment(string).scrub!(scrubber).to_s
new_string = ''
done = true
while done
new_string = Loofah.fragment(string).scrub!(scrubber).to_s
if string == new_string
done = false
end
string = new_string
end
string
end
=begin
@ -253,7 +263,6 @@ cleanup html string:
Loofah::Scrubber::STOP
end
end
string = Loofah.fragment(string).scrub!(scrubber_structure).to_s
new_string = ''
done = true

2282
test/fixtures/mail49.box vendored Normal file
View file

File diff suppressed because it is too large Load diff

11
test/unit/aaa_string_test.rb
View file

@ -552,7 +552,8 @@ Men-----------------------'
assert_equal(result, html.html2html_strict)
html = '<div>https://www.facebook.com/test</div>'
result = '<div><a href="https://www.facebook.com/test" rel="nofollow noreferrer noopener" target="_blank">https://www.facebook.com/test</a>
result = '<div>
<a href="https://www.facebook.com/test" rel="nofollow noreferrer noopener" target="_blank">https://www.facebook.com/test</a>
</div>'
assert_equal(result, html.html2html_strict)
@ -640,11 +641,11 @@ Men-----------------------'
assert_equal(result, html.html2html_strict)
html = "<div>http://example.com</div>"
result = "<div><a href=\"http://example.com\" rel=\"nofollow noreferrer noopener\" target=\"_blank\">http://example.com</a>\n</div>"
result = "<div>\n<a href=\"http://example.com\" rel=\"nofollow noreferrer noopener\" target=\"_blank\">http://example.com</a>\n</div>"
assert_equal(result, html.html2html_strict)
html = "<div>http://example.com.</div>"
result = "<div><a href=\"http://example.com\" rel=\"nofollow noreferrer noopener\" target=\"_blank\">http://example.com</a>.</div>"
result = "<div>\n<a href=\"http://example.com\" rel=\"nofollow noreferrer noopener\" target=\"_blank\">http://example.com</a>.</div>"
assert_equal(result, html.html2html_strict)
html = "<div>lala http://example.com.</div>"
@ -652,11 +653,11 @@ Men-----------------------'
assert_equal(result, html.html2html_strict)
html = "<div>http://example.com, and so on</div>"
result = "<div><a href=\"http://example.com\" rel=\"nofollow noreferrer noopener\" target=\"_blank\">http://example.com</a>, and so on</div>"
result = "<div>\n<a href=\"http://example.com\" rel=\"nofollow noreferrer noopener\" target=\"_blank\">http://example.com</a>, and so on</div>"
assert_equal(result, html.html2html_strict)
html = "<div>http://example.com?lala=me, and so on</div>"
result = "<div><a href=\"http://example.com?lala=me\" rel=\"nofollow noreferrer noopener\" target=\"_blank\">http://example.com?lala=me</a>, and so on</div>"
result = "<div>\n<a href=\"http://example.com?lala=me\" rel=\"nofollow noreferrer noopener\" target=\"_blank\">http://example.com?lala=me</a>, and so on</div>"
assert_equal(result, html.html2html_strict)
html = "<a href=\"http://facebook.de/examplesrbog\"><span lang=\"EN-US\" style='color:blue'>http://facebook.de/examplesrbog</span></a>"

6
test/unit/email_parser_test.rb
View file

@ -244,7 +244,7 @@ Managing Director: Martin Edenhofer
},
{
data: IO.binread('test/fixtures/mail8.box'),
body_md5: '6b2b3701aaf6b5a1c351664e7d4bab03',
body_md5: '166c87ab43c07301686c1c8761e98d48',
attachments: [
{
md5: 'c3ca4aab222eed8a148a716371b70129',
@ -281,7 +281,7 @@ Düsseldorfer Landstraße 395
<br>
D-00000 Hof
<br>
<a href="http://www.example.com" rel="nofollow noreferrer noopener" target="_blank"><u><a href="http://www.example.com" rel="nofollow noreferrer noopener" target="_blank">http://www.example.com</a></u></a> <br>
<a href="http://www.example.com" rel="nofollow noreferrer noopener" target="_blank"><u>www.example.com</u></a> <br>
<br> <hr>
<br>
Geschäftsführung/Management Board: Jan Bauer (Vorsitzender/Chairman), Oliver Bauer, Heiko Bauer, Boudewijn Bauer
@ -552,7 +552,7 @@ Newsletter abbestellen (<a href="http://newsletters.cylex.de/ref/www.cylex.de/si
},
{
data: IO.binread('test/fixtures/mail19.box'),
body_md5: '2e162549ffb5c7832c7be0d6538e8aa1',
body_md5: '29a8a50c2931346296f8b8fe782e115c',
params: {
from: '"我" <>',
from_email: '"我" <>',

25
test/unit/email_process_test.rb
View file

@ -2291,6 +2291,31 @@ Some Text',
],
},
},
{
data: IO.binread('test/fixtures/mail49.box'),
success: true,
result: {
0 => {
priority: '2 normal',
title: 'Kinderschwimmbrille ABC Little Twist: Schnell angelegt, keine verhedderten Haare (Pressemitteilung)',
},
1 => {
from: '"Marcus Smith (ABC)" <marcus.smith@example.com>',
sender: 'Customer',
type: 'email',
},
},
verify: {
users: [
{
firstname: 'Marcus',
lastname: 'Smith',
fullname: 'Marcus Smith',
email: 'marcus.smith@example.com',
},
],
},
},
]
assert_process(files)
end

9
test/unit/html_sanitizer_test.rb
View file

@ -48,7 +48,7 @@ class HtmlSanitizerTest < ActiveSupport::TestCase
assert_equal(HtmlSanitizer.strict('<DIV STYLE="background-image: url(javascript:alert(\'XSS\'), \'\')">'), '<div></div>')
assert_equal(HtmlSanitizer.strict('<a href="/some/path">test</a>'), '<a href="/some/path">test</a>')
assert_equal(HtmlSanitizer.strict('<a href="https://some/path">test</a>'), '<a href="https://some/path" rel="nofollow noreferrer noopener" target="_blank">test</a>')
assert_equal(HtmlSanitizer.strict('<a href="https://some/path">test</a>', true), 'https://some/path (<a href="test" rel="nofollow noreferrer noopener" target="_blank">test</a>)')
assert_equal(HtmlSanitizer.strict('<a href="https://some/path">test</a>', true), '<a href="https://some/path" rel="nofollow noreferrer noopener" target="_blank">https://some/path</a> (<a href="http://test" rel="nofollow noreferrer noopener" target="_blank">test</a>)')
assert_equal(HtmlSanitizer.strict('<XML ID="xss"><I><B><IMG SRC="javas<!-- -->cript:alert(\'XSS\')"></B></I></XML>'), '<i><b></b></i>')
assert_equal(HtmlSanitizer.strict('<IMG SRC="javas<!-- -->cript:alert(\'XSS\')">'), '')
assert_equal(HtmlSanitizer.strict(' <HEAD><META HTTP-EQUIV="CONTENT-TYPE" CONTENT="text/html; charset=UTF-7"> </HEAD>+ADw-SCRIPT+AD4-alert(\'XSS\');+ADw-/SCRIPT+AD4-'), ' +ADw-SCRIPT+AD4-alert(\'XSS\');+ADw-/SCRIPT+AD4-')
@ -56,9 +56,9 @@ class HtmlSanitizerTest < ActiveSupport::TestCase
assert_equal(HtmlSanitizer.strict('<A HREF="h
tt p://6 6.000146.0x7.147/">XSS</A>'), '<a href="http://66.000146.0x7.147/" rel="nofollow noreferrer noopener" target="_blank">XSS</a>')
assert_equal(HtmlSanitizer.strict('<A HREF="h
tt p://6 6.000146.0x7.147/">XSS</A>', true), 'http://66.000146.0x7.147/ (<a href="XSS" rel="nofollow noreferrer noopener" target="_blank">XSS</a>)')
tt p://6 6.000146.0x7.147/">XSS</A>', true), '<a href="http://66.000146.0x7.147/" rel="nofollow noreferrer noopener" target="_blank">http://66.000146.0x7.147/</a> (<a href="http://XSS" rel="nofollow noreferrer noopener" target="_blank">XSS</a>)')
assert_equal(HtmlSanitizer.strict('<A HREF="//www.google.com/">XSS</A>'), '<a href="//www.google.com/" rel="nofollow noreferrer noopener" target="_blank">XSS</a>')
assert_equal(HtmlSanitizer.strict('<A HREF="//www.google.com/">XSS</A>', true), '//www.google.com/ (<a href="XSS" rel="nofollow noreferrer noopener" target="_blank">XSS</a>)')
assert_equal(HtmlSanitizer.strict('<A HREF="//www.google.com/">XSS</A>', true), '//www.google.com/ (<a href="http://XSS" rel="nofollow noreferrer noopener" target="_blank">XSS</a>)')
assert_equal(HtmlSanitizer.strict('<form id="test"></form><button form="test" formaction="javascript:alert(1)">X</button>'), 'X')
assert_equal(HtmlSanitizer.strict('<maction actiontype="statusline#http://google.com" xlink:href="javascript:alert(2)">CLICKME</maction>'), 'CLICKME')
assert_equal(HtmlSanitizer.strict('<a xlink:href="javascript:alert(2)">CLICKME</a>'), '<a>CLICKME</a>')
@ -74,8 +74,7 @@ tt p://6 6.000146.0x7.147/">XSS</A>', true), 'http://66.000146.0x7.147/ (<a hre
assert_equal(HtmlSanitizer.strict('<a href="[a]java[b]script[c]:alert(1)">XXX</a>', true), 'XXX')
assert_equal(HtmlSanitizer.strict('<svg xmlns="http://www.w3.org/2000/svg"><script>alert(1)</script></svg>'), 'alert(1)')
assert_equal(HtmlSanitizer.strict('<a style="position:fixed;top:0;left:0;width: 260px;height:100vh;background-color:red;display: block;" href="http://example.com"></a>'), '<a href="http://example.com" rel="nofollow noreferrer noopener" target="_blank"></a>')
assert_equal(HtmlSanitizer.strict('<a style="position:fixed;top:0;left:0;width: 260px;height:100vh;background-color:red;display: block;" href="http://example.com"></a>', true), 'http://example.com (<a href="" rel="nofollow noreferrer noopener" target="_blank"></a>)')
assert_equal(HtmlSanitizer.strict('<a style="position:fixed;top:0;left:0;width: 260px;height:100vh;background-color:red;display: block;" href="http://example.com"></a>', true), '<a href="http://example.com" rel="nofollow noreferrer noopener" target="_blank">http://example.com</a>')
end
end

19
test/unit/user_test.rb
View file

@ -254,16 +254,21 @@ class UserTest < ActiveSupport::TestCase
test[:create_verify].each { |key, value|
next if key == :image_md5
if user.respond_to?( key )
assert_equal( value, user.send(key), "create check #{key} in (#{test[:name]})" )
if user.respond_to?(key)
result = user.send(key)
if value.nil?
assert_nil(result, "create check #{key} in (#{test[:name]})")
else
assert_equal(value, result, "create check #{key} in (#{test[:name]})")
end
else
assert_equal( value, user[key], "create check #{key} in (#{test[:name]})" )
assert_equal(value, user[key], "create check #{key} in (#{test[:name]})")
end
}
if test[:create_verify][:image_md5]
file = Avatar.get_by_hash( user.image )
file_md5 = Digest::MD5.hexdigest( file.content )
assert_equal( test[:create_verify][:image_md5], file_md5, "create avatar md5 check in (#{test[:name]})" )
assert_equal(test[:create_verify][:image_md5], file_md5, "create avatar md5 check in (#{test[:name]})")
end
if test[:update]
user.update_attributes( test[:update] )
@ -271,16 +276,16 @@ class UserTest < ActiveSupport::TestCase
test[:update_verify].each { |key, value|
next if key == :image_md5
if user.respond_to?( key )
assert_equal( value, user.send(key), "update check #{key} in (#{test[:name]})" )
assert_equal(value, user.send(key), "update check #{key} in (#{test[:name]})")
else
assert_equal( value, user[key], "update check #{key} in (#{test[:name]})" )
assert_equal(value, user[key], "update check #{key} in (#{test[:name]})")
end
}
if test[:update_verify][:image_md5]
file = Avatar.get_by_hash( user.image )
file_md5 = Digest::MD5.hexdigest( file.content )
assert_equal( test[:update_verify][:image_md5], file_md5, "update avatar md5 check in (#{test[:name]})" )
assert_equal( test[:update_verify][:image_md5], file_md5, "update avatar md5 check in (#{test[:name]})")
end
end