Commit 849cc380 authored by Stan Hu's avatar Stan Hu

Use a case-insensitive comparison in sanitizing URI schemes

Closes #1625
parent 93b4a3a1
......@@ -2,6 +2,7 @@ Please view this file on the master branch, on stable branches it's out of date.
v 8.8.0 (unreleased)
- Assign labels and milestone to target project when moving issue. !3934 (Long Nguyen)
- Use a case-insensitive comparison in sanitizing URI schemes
- Project#open_branches has been cleaned up and no longer loads entire records into memory.
- Escape HTML in commit titles in system note messages
- Improve multiple branch push performance by memoizing permission checking
......
......@@ -63,7 +63,7 @@ module Banzai
begin
uri = Addressable::URI.parse(node['href'])
uri.scheme.strip! if uri.scheme
uri.scheme = uri.scheme.strip.downcase if uri.scheme
node.remove_attribute('href') if UNSAFE_PROTOCOLS.include?(uri.scheme)
rescue Addressable::URI::InvalidURIError
......
......@@ -22,6 +22,12 @@ describe Banzai::Filter::SanitizationFilter, lib: true do
expect(filter(act).to_html).to eq exp
end
it 'sanitizes mixed-cased javascript in attributes' do
act = %q(<a href="javaScript:alert('foo')">Text</a>)
exp = '<a>Text</a>'
expect(filter(act).to_html).to eq exp
end
it 'allows whitelisted HTML tags from the user' do
exp = act = "<dl>\n<dt>Term</dt>\n<dd>Definition</dd>\n</dl>"
expect(filter(act).to_html).to eq exp
......
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