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Code Issues Releases Wiki Activity

Refactor HTTP signatures

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Signed-off-by: Thomas Citharel <tcit@tcit.fr>
This commit is contained in:
Thomas Citharel 2021-09-30 15:50:52 +02:00
parent 74145dc520
commit 98b840190d
No known key found for this signature in database
GPG key ID: A061B9DDE0CA0773
1 changed files with 27 additions and 28 deletions
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55
lib/federation/http_signatures/signature.ex
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@ -54,19 +54,19 @@ defmodule Mobilizon.Federation.HTTPSignatures.Signature do
{:ok, String.t()}
| {:error, :actor_fetch_error | :pem_decode_error | :actor_not_fetchable}
defp get_public_key_for_url(url) do
with {:ok, %Actor{keys: keys}} <- ActivityPubActor.get_or_fetch_actor_by_url(url),
{:ok, public_key} <- prepare_public_key(keys) do
{:ok, public_key}
else
{:error, :pem_decode_error} ->
Logger.error("Error while decoding PEM")
case ActivityPubActor.get_or_fetch_actor_by_url(url) do
{:ok, %Actor{keys: keys}} ->
case prepare_public_key(keys) do
{:ok, public_key} ->
{:ok, public_key}
{:error, :pem_decode_error}
{:error, :pem_decode_error} ->
Logger.error("Error while decoding PEM")
{:error, "Could not fetch by AP id"} ->
{:error, :actor_not_fetchable}
{:error, :pem_decode_error}
end
err ->
{:error, err} ->
Sentry.capture_message("Unable to fetch actor, so no keys for you",
extra: %{url: url}
)
@ -80,16 +80,17 @@ defmodule Mobilizon.Federation.HTTPSignatures.Signature do
@spec fetch_public_key(Plug.Conn.t()) ::
{:ok, String.t()}
| {:error, :actor_fetch_error | :actor_not_fetchable | :pem_decode_error}
| {:error,
:actor_fetch_error | :actor_not_fetchable | :pem_decode_error | :no_signature_in_conn}
def fetch_public_key(conn) do
with %{"keyId" => kid} <- HTTPSignatures.signature_for_conn(conn),
actor_id <- key_id_to_actor_url(kid),
:ok <- Logger.debug("Fetching public key for #{actor_id}"),
{:ok, public_key} <- get_public_key_for_url(actor_id) do
{:ok, public_key}
else
{:error, err} ->
{:error, err}
case HTTPSignatures.signature_for_conn(conn) do
%{"keyId" => kid} ->
actor_id = key_id_to_actor_url(kid)
Logger.debug("Fetching public key for #{actor_id}")
get_public_key_for_url(actor_id)
_ ->
{:error, :no_signature_in_conn}
end
end
@ -98,15 +99,12 @@ defmodule Mobilizon.Federation.HTTPSignatures.Signature do
| {:error, :actor_fetch_error | :actor_not_fetchable | :pem_decode_error,
:actor_is_local}
def refetch_public_key(conn) do
with %{"keyId" => kid} <- HTTPSignatures.signature_for_conn(conn),
actor_id <- key_id_to_actor_url(kid),
:ok <- Logger.debug("Refetching public key for #{actor_id}"),
{:ok, _actor} <- ActivityPubActor.make_actor_from_url(actor_id),
{:ok, public_key} <- get_public_key_for_url(actor_id) do
{:ok, public_key}
else
{:error, err} ->
{:error, err}
%{"keyId" => kid} = HTTPSignatures.signature_for_conn(conn)
actor_id = key_id_to_actor_url(kid)
Logger.debug("Refetching public key for #{actor_id}")
with {:ok, _actor} <- ActivityPubActor.make_actor_from_url(actor_id) do
get_public_key_for_url(actor_id)
end
end
@ -129,6 +127,7 @@ defmodule Mobilizon.Federation.HTTPSignatures.Signature do
@spec generate_date_header :: String.t()
def generate_date_header, do: generate_date_header(NaiveDateTime.utc_now())
@spec generate_date_header(NaiveDateTime.t()) :: String.t()
def generate_date_header(%NaiveDateTime{} = date) do
Timex.format!(date, "{WDshort}, {0D} {Mshort} {YYYY} {h24}:{m}:{s} GMT")
end