debian-mirror-gitlab/spec/lib/gitlab/utils/sanitize_node_link_spec.rb

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# frozen_string_literal: true
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require 'spec_helper'
describe Gitlab::Utils::SanitizeNodeLink do
let(:klass) do
struct = Struct.new(:value)
struct.include(described_class)
struct
end
subject(:object) { klass.new(:value) }
invalid_schemes = [
"javascript:",
"JaVaScRiPt:",
"\u0001java\u0003script:",
"javascript :",
"javascript: ",
"javascript : ",
":javascript:",
"javascript:",
"javascript:",
"  javascript:"
]
invalid_schemes.each do |scheme|
context "with the scheme: #{scheme}" do
describe "#remove_unsafe_links" do
tags = {
a: {
doc: HTML::Pipeline.parse("<a href='#{scheme}alert(1);'>foo</a>"),
attr: "href",
node_to_check: -> (doc) { doc.children.first }
},
img: {
doc: HTML::Pipeline.parse("<img src='#{scheme}alert(1);'>"),
attr: "src",
node_to_check: -> (doc) { doc.children.first }
},
video: {
doc: HTML::Pipeline.parse("<video><source src='#{scheme}alert(1);'></video>"),
attr: "src",
node_to_check: -> (doc) { doc.children.first.children.filter("source").first }
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},
audio: {
doc: HTML::Pipeline.parse("<audio><source src='#{scheme}alert(1);'></audio>"),
attr: "src",
node_to_check: -> (doc) { doc.children.first.children.filter("source").first }
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}
}
tags.each do |tag, opts|
context "<#{tag}> tags" do
it "removes the unsafe link" do
node = opts[:node_to_check].call(opts[:doc])
expect { object.remove_unsafe_links({ node: node }, remove_invalid_links: true) }
.to change { node[opts[:attr]] }
expect(node[opts[:attr]]).to be_blank
end
end
end
end
describe "#safe_protocol?" do
let(:doc) { HTML::Pipeline.parse("<a href='#{scheme}alert(1);'>foo</a>") }
let(:node) { doc.children.first }
let(:uri) { Addressable::URI.parse(node['href'])}
it "returns false" do
expect(object.safe_protocol?(scheme)).to be_falsy
end
end
end
end
end