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Merge branch 'bugfix/favicon-too-long' into 'develop'

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instance: Drop favicon URLs longer than 255 characters

Closes #2116

See merge request pleroma/pleroma!2949
This commit is contained in:
rinpatch 2020-09-07 11:12:30 +00:00
parent 43b07c31cb
commit 964bc8e2e8
2 changed files with 45 additions and 1 deletions
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13
lib/pleroma/instances/instance.ex
View File

@ -14,6 +14,8 @@ defmodule Pleroma.Instances.Instance do
import Ecto.Query
import Ecto.Changeset
require Logger
schema "instances" do
field(:host, :string)
field(:unreachable_since, :naive_datetime_usec)
@ -145,6 +147,10 @@ defmodule Pleroma.Instances.Instance do
favicon
end
rescue
e ->
Logger.warn("Instance.get_or_update_favicon(\"#{host}\") error: #{inspect(e)}")
nil
end
defp scrape_favicon(%URI{} = instance_uri) do
@ -165,7 +171,12 @@ defmodule Pleroma.Instances.Instance do
_ -> nil
end
rescue
_ -> nil
e ->
Logger.warn(
"Instance.scrape_favicon(\"#{to_string(instance_uri)}\") error: #{inspect(e)}"
)
nil
end
end
end

33
test/web/instances/instance_test.exs
View File

@ -8,6 +8,7 @@ defmodule Pleroma.Instances.InstanceTest do
use Pleroma.DataCase
import ExUnit.CaptureLog
import Pleroma.Factory
setup_all do: clear_config([:instance, :federation_reachability_timeout_days], 1)
@ -97,4 +98,36 @@ defmodule Pleroma.Instances.InstanceTest do
assert initial_value == instance.unreachable_since
end
end
test "Scrapes favicon URLs" do
Tesla.Mock.mock(fn %{url: "https://favicon.example.org/"} ->
%Tesla.Env{
status: 200,
body: ~s[<html><head><link rel="icon" href="/favicon.png"></head></html>]
}
end)
assert "https://favicon.example.org/favicon.png" ==
Instance.get_or_update_favicon(URI.parse("https://favicon.example.org/"))
end
test "Returns nil on too long favicon URLs" do
long_favicon_url =
"https://Lorem.ipsum.dolor.sit.amet/consecteturadipiscingelit/Praesentpharetrapurusutaliquamtempus/Mauriseulaoreetarcu/atfacilisisorci/Nullamporttitor/nequesedfeugiatmollis/dolormagnaefficiturlorem/nonpretiumsapienorcieurisus/Nullamveleratsem/Maecenassedaccumsanexnam/favicon.png"
Tesla.Mock.mock(fn %{url: "https://long-favicon.example.org/"} ->
%Tesla.Env{
status: 200,
body: ~s[<html><head><link rel="icon" href="] <> long_favicon_url <> ~s["></head></html>]
}
end)
assert capture_log(fn ->
assert nil ==
Instance.get_or_update_favicon(
URI.parse("https://long-favicon.example.org/")
)
end) =~
"Instance.get_or_update_favicon(\"long-favicon.example.org\") error: %Postgrex.Error{"
end
end