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oauth: never use base64 padding when returning tokens to applications

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The normal Base64 alphabet uses the equals sign (=) as a padding character.  Since
Base64 strings are self-synchronizing, padding characters are unnecessary, so don't
generate them in the first place.
This commit is contained in:
William Pitcock 2019-02-14 01:05:25 +00:00
parent 1ef4741861
commit e9ef4b8da6
4 changed files with 12 additions and 6 deletions
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10
lib/pleroma/web/oauth/app.ex
View File

@ -25,8 +25,14 @@ def register_changeset(struct, params \\ %{}) do
if changeset.valid? do
changeset
|> put_change(:client_id, :crypto.strong_rand_bytes(32) |> Base.url_encode64())
|> put_change(:client_secret, :crypto.strong_rand_bytes(32) |> Base.url_encode64())
|> put_change(
:client_id,
:crypto.strong_rand_bytes(32) |> Base.url_encode64(padding: false)
)
|> put_change(
:client_secret,
:crypto.strong_rand_bytes(32) |> Base.url_encode64(padding: false)
)
else
changeset
end

2
lib/pleroma/web/oauth/authorization.ex
View File

@ -24,7 +24,7 @@ defmodule Pleroma.Web.OAuth.Authorization do
end
def create_authorization(%App{} = app, %User{} = user) do
token = :crypto.strong_rand_bytes(32) |> Base.url_encode64()
token = :crypto.strong_rand_bytes(32) |> Base.url_encode64(padding: false)
authorization = %Authorization{
token: token,

2
lib/pleroma/web/oauth/oauth_controller.ex
View File

@ -173,7 +173,7 @@ defp fix_padding(token) do
token
|> URI.decode()
|> Base.url_decode64!(padding: false)
|> Base.url_encode64()
|> Base.url_encode64(padding: false)
end
defp get_app_from_request(conn, params) do

4
lib/pleroma/web/oauth/token.ex
View File

@ -31,8 +31,8 @@ def exchange_token(app, auth) do
end
def create_token(%App{} = app, %User{} = user) do
token = :crypto.strong_rand_bytes(32) |> Base.url_encode64()
refresh_token = :crypto.strong_rand_bytes(32) |> Base.url_encode64()
token = :crypto.strong_rand_bytes(32) |> Base.url_encode64(padding: false)
refresh_token = :crypto.strong_rand_bytes(32) |> Base.url_encode64(padding: false)
token = %Token{
token: token,