mirror of
https://github.com/discourse/discourse.git
synced 2024-11-26 05:23:40 +08:00
71 lines
2.5 KiB
Ruby
71 lines
2.5 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
describe FinalDestination::FastImage do
|
|
before do
|
|
# We need to test low-level stuff, switch off WebMock for FastImage
|
|
WebMock.enable!(except: [:net_http])
|
|
Socket.stubs(:tcp).never
|
|
TCPSocket.stubs(:open).never
|
|
Addrinfo.stubs(:getaddrinfo).never
|
|
end
|
|
|
|
after { WebMock.enable! }
|
|
|
|
def expect_tcp_and_abort(stub_addr, &blk)
|
|
success = Class.new(StandardError)
|
|
TCPSocket.stubs(:open).with { |addr| stub_addr == addr }.once.raises(success)
|
|
begin
|
|
yield
|
|
rescue success
|
|
end
|
|
end
|
|
|
|
def stub_ip_lookup(stub_addr, ips)
|
|
FinalDestination::SSRFDetector.stubs(:lookup_ips).with { |addr| stub_addr == addr }.returns(ips)
|
|
end
|
|
|
|
def stub_tcp_to_raise(stub_addr, exception)
|
|
TCPSocket.stubs(:open).with { |addr| addr == stub_addr }.once.raises(exception)
|
|
end
|
|
|
|
it "uses the first resolved IP" do
|
|
stub_ip_lookup("example.com", %w[1.1.1.1 2.2.2.2 3.3.3.3])
|
|
expect_tcp_and_abort("1.1.1.1") do
|
|
FinalDestination::FastImage.size(URI("https://example.com/img.jpg"))
|
|
end
|
|
end
|
|
|
|
it "ignores private IPs" do
|
|
stub_ip_lookup("example.com", %w[0.0.0.0 2.2.2.2])
|
|
expect_tcp_and_abort("2.2.2.2") do
|
|
FinalDestination::FastImage.size(URI("https://example.com/img.jpg"))
|
|
end
|
|
end
|
|
|
|
it "returns a null object when all IPs are private" do
|
|
stub_ip_lookup("example.com", %w[0.0.0.0 127.0.0.1])
|
|
expect(FinalDestination::FastImage.size(URI("https://example.com/img.jpg"))).to eq(nil)
|
|
end
|
|
|
|
it "returns a null object if all IPs are blocked" do
|
|
SiteSetting.blocked_ip_blocks = "98.0.0.0/8|78.13.47.0/24|9001:82f3::/32"
|
|
stub_ip_lookup("ip6.example.com", %w[9001:82f3:8873::3])
|
|
stub_ip_lookup("ip4.example.com", %w[98.23.19.111])
|
|
expect(FinalDestination::FastImage.size(URI("https://ip4.example.com/img.jpg"))).to eq(nil)
|
|
expect(FinalDestination::FastImage.size(URI("https://ip6.example.com/img.jpg"))).to eq(nil)
|
|
end
|
|
|
|
it "allows specified hosts to bypass IP checks" do
|
|
SiteSetting.blocked_ip_blocks = "98.0.0.0/8|78.13.47.0/24|9001:82f3::/32"
|
|
SiteSetting.allowed_internal_hosts = "internal.example.com|blocked-ip.example.com"
|
|
stub_ip_lookup("internal.example.com", %w[0.0.0.0 127.0.0.1])
|
|
stub_ip_lookup("blocked-ip.example.com", %w[98.23.19.111])
|
|
expect_tcp_and_abort("0.0.0.0") do
|
|
FinalDestination::FastImage.size(URI("https://internal.example.com/img.jpg"))
|
|
end
|
|
expect_tcp_and_abort("98.23.19.111") do
|
|
FinalDestination::FastImage.size(URI("https://blocked-ip.example.com/img.jpg"))
|
|
end
|
|
end
|
|
end
|