Chapril/mobilizon.chapril.org-mobilizon
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Improve logging in module and handle more Webfinger errors

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Signed-off-by: Thomas Citharel <tcit@tcit.fr>
This commit is contained in:
Thomas Citharel 2021-12-29 14:58:38 +01:00
parent e717312de7
commit bc6cec45fa
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GPG Key ID: A061B9DDE0CA0773
1 changed files with 26 additions and 4 deletions
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30
lib/federation/web_finger/web_finger.ex
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@ -125,7 +125,11 @@ defmodule Mobilizon.Federation.WebFinger do
defp maybe_add_profile_page(data, _actor), do: data
@type finger_errors ::
:host_not_found | :address_invalid | :http_error | :webfinger_information_not_json
:host_not_found
| :address_invalid
| :http_error
| :webfinger_information_not_json
| :no_url_in_webfinger_data
@doc """
Finger an actor to retreive it's ActivityPub ID/URL
@ -144,6 +148,10 @@ defmodule Mobilizon.Federation.WebFinger do
{:ok, %{"url" => url}} ->
{:ok, url}
{:ok, _} ->
Logger.debug("No URL found for actor from webfinger data")
{:error, :no_url_in_webfinger_data}
{:error, err} ->
Logger.debug("Couldn't process webfinger data for #{actor}")
{:error, err}
@ -158,11 +166,14 @@ defmodule Mobilizon.Federation.WebFinger do
@spec fetch_webfinger_data(String.t()) ::
{:ok, map()} | {:error, :webfinger_information_not_json | :http_error}
defp fetch_webfinger_data(address) do
Logger.debug("Calling WebfingerClient with #{inspect(address)}")
case WebfingerClient.get(address) do
{:ok, %{body: body, status: code}} when code in 200..299 ->
webfinger_from_json(body)
_ ->
err ->
Logger.debug("Failed to fetch webfinger data #{inspect(err)}")
{:error, :http_error}
end
end
@ -173,12 +184,14 @@ defmodule Mobilizon.Federation.WebFinger do
case apply_webfinger_endpoint(actor) do
address when is_binary(address) ->
if address_invalid(address) do
Logger.info("Webfinger endpoint seems to be an invalid URL #{inspect(address)}")
{:error, :address_invalid}
else
{:ok, address}
end
_ ->
Logger.info("Host not found in actor address #{inspect(actor)}")
{:error, :host_not_found}
end
end
@ -188,12 +201,15 @@ defmodule Mobilizon.Federation.WebFinger do
@spec find_webfinger_endpoint(String.t()) ::
{:ok, String.t()} | {:error, :link_not_found} | {:error, any()}
defp find_webfinger_endpoint(domain) when is_binary(domain) do
Logger.debug("Calling HostMetaClient for #{domain}")
with {:ok, %Tesla.Env{status: 200, body: body}} <-
HostMetaClient.get("http://#{domain}/.well-known/host-meta"),
HostMetaClient.get("https://#{domain}/.well-known/host-meta"),
link_template when is_binary(link_template) <- find_link_from_template(body) do
{:ok, link_template}
else
{:ok, %Tesla.Env{status: 404}} -> {:error, :entity_not_found}
{:ok, %Tesla.Env{}} -> {:error, :http_error}
{:error, :link_not_found} -> {:error, :link_not_found}
{:error, error} -> {:error, error}
end
@ -204,10 +220,12 @@ defmodule Mobilizon.Federation.WebFinger do
with {:ok, domain} <- domain_from_federated_actor(actor) do
case find_webfinger_endpoint(domain) do
{:ok, link_template} ->
Logger.debug("Using webfinger location provided by host-meta endpoint")
String.replace(link_template, "{uri}", "acct:#{actor}")
_ ->
"http://#{domain}/.well-known/webfinger?resource=acct:#{actor}"
Logger.debug("Using default webfinger location")
"https://#{domain}/.well-known/webfinger?resource=acct:#{actor}"
end
end
end
@ -233,6 +251,10 @@ defmodule Mobilizon.Federation.WebFinger do
{"application/activity+json", "self"} ->
Map.put(data, "url", link["href"])
{nil, _rel} ->
Logger.debug("No type declared for the following link #{inspect(link)}")
data
_ ->
Logger.debug(fn ->
"Unhandled type to finger: #{inspect(link["type"])}"